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 (info->num_blocks != 6)
525 av_packet_unref(pkt);
526 av_packet_move_ref(pkt, &info->pkt);
527 info->num_blocks = 0;
538 static int mov_write_eac3_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
542 struct eac3_info *info;
545 if (!track->eac3_priv) {
546 av_log(s, AV_LOG_ERROR,
547 "Cannot write moov atom before EAC3 packets parsed.\n");
548 return AVERROR(EINVAL);
551 info = track->eac3_priv;
552 size = 2 + ((34 * (info->num_ind_sub + 1) + 7) >> 3);
553 buf = av_malloc(size);
555 return AVERROR(ENOMEM);
558 init_put_bits(&pbc, buf, size);
559 put_bits(&pbc, 13, info->data_rate);
560 put_bits(&pbc, 3, info->num_ind_sub);
561 for (i = 0; i <= info->num_ind_sub; i++) {
562 put_bits(&pbc, 2, info->substream[i].fscod);
563 put_bits(&pbc, 5, info->substream[i].bsid);
564 put_bits(&pbc, 1, 0); /* reserved */
565 put_bits(&pbc, 1, 0); /* asvc */
566 put_bits(&pbc, 3, info->substream[i].bsmod);
567 put_bits(&pbc, 3, info->substream[i].acmod);
568 put_bits(&pbc, 1, info->substream[i].lfeon);
569 put_bits(&pbc, 5, 0); /* reserved */
570 put_bits(&pbc, 4, info->substream[i].num_dep_sub);
571 if (!info->substream[i].num_dep_sub) {
572 put_bits(&pbc, 1, 0); /* reserved */
574 put_bits(&pbc, 9, info->substream[i].chan_loc);
577 flush_put_bits(&pbc);
578 size = put_bits_count(&pbc) >> 3;
580 avio_wb32(pb, size + 8);
581 ffio_wfourcc(pb, "dec3");
582 avio_write(pb, buf, size);
590 * This function writes extradata "as is".
591 * Extradata must be formatted like a valid atom (with size and tag).
593 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
595 avio_write(pb, track->par->extradata, track->par->extradata_size);
596 return track->par->extradata_size;
599 static int mov_write_enda_tag(AVIOContext *pb)
602 ffio_wfourcc(pb, "enda");
603 avio_wb16(pb, 1); /* little endian */
607 static int mov_write_enda_tag_be(AVIOContext *pb)
610 ffio_wfourcc(pb, "enda");
611 avio_wb16(pb, 0); /* big endian */
615 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
620 avio_w8(pb, (size >> (7 * i)) | 0x80);
621 avio_w8(pb, size & 0x7F);
624 static unsigned compute_avg_bitrate(MOVTrack *track)
628 if (!track->track_duration)
630 for (i = 0; i < track->entry; i++)
631 size += track->cluster[i].size;
632 return size * 8 * track->timescale / track->track_duration;
635 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
637 AVCPBProperties *props;
638 int64_t pos = avio_tell(pb);
639 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
640 unsigned avg_bitrate;
642 avio_wb32(pb, 0); // size
643 ffio_wfourcc(pb, "esds");
644 avio_wb32(pb, 0); // Version
647 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
648 avio_wb16(pb, track->track_id);
649 avio_w8(pb, 0x00); // flags (= no flags)
651 // DecoderConfig descriptor
652 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
654 // Object type indication
655 if ((track->par->codec_id == AV_CODEC_ID_MP2 ||
656 track->par->codec_id == AV_CODEC_ID_MP3) &&
657 track->par->sample_rate > 24000)
658 avio_w8(pb, 0x6B); // 11172-3
660 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->par->codec_id));
662 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
663 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
664 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
665 avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
666 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
667 avio_w8(pb, 0x15); // flags (= Audiostream)
669 avio_w8(pb, 0x11); // flags (= Visualstream)
671 props = (AVCPBProperties*)av_stream_get_side_data(track->st, AV_PKT_DATA_CPB_PROPERTIES,
674 avio_wb24(pb, props ? props->buffer_size / 8 : 0); // Buffersize DB
676 avg_bitrate = compute_avg_bitrate(track);
677 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)
678 avio_wb32(pb, avg_bitrate);
680 if (track->vos_len) {
681 // DecoderSpecific info descriptor
682 put_descr(pb, 0x05, track->vos_len);
683 avio_write(pb, track->vos_data, track->vos_len);
687 put_descr(pb, 0x06, 1);
689 return update_size(pb, pos);
692 static int mov_pcm_le_gt16(enum AVCodecID codec_id)
694 return codec_id == AV_CODEC_ID_PCM_S24LE ||
695 codec_id == AV_CODEC_ID_PCM_S32LE ||
696 codec_id == AV_CODEC_ID_PCM_F32LE ||
697 codec_id == AV_CODEC_ID_PCM_F64LE;
700 static int mov_pcm_be_gt16(enum AVCodecID codec_id)
702 return codec_id == AV_CODEC_ID_PCM_S24BE ||
703 codec_id == AV_CODEC_ID_PCM_S32BE ||
704 codec_id == AV_CODEC_ID_PCM_F32BE ||
705 codec_id == AV_CODEC_ID_PCM_F64BE;
708 static int mov_write_ms_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
711 int64_t pos = avio_tell(pb);
713 avio_wl32(pb, track->tag); // store it byteswapped
714 track->par->codec_tag = av_bswap16(track->tag >> 16);
715 if ((ret = ff_put_wav_header(s, pb, track->par, 0)) < 0)
717 return update_size(pb, pos);
720 static int mov_write_wfex_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
723 int64_t pos = avio_tell(pb);
725 ffio_wfourcc(pb, "wfex");
726 if ((ret = ff_put_wav_header(s, pb, track->st->codecpar, FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX)) < 0)
728 return update_size(pb, pos);
731 static int mov_write_dfla_tag(AVIOContext *pb, MOVTrack *track)
733 int64_t pos = avio_tell(pb);
735 ffio_wfourcc(pb, "dfLa");
736 avio_w8(pb, 0); /* version */
737 avio_wb24(pb, 0); /* flags */
739 /* Expect the encoder to pass a METADATA_BLOCK_TYPE_STREAMINFO. */
740 if (track->par->extradata_size != FLAC_STREAMINFO_SIZE)
741 return AVERROR_INVALIDDATA;
743 /* TODO: Write other METADATA_BLOCK_TYPEs if the encoder makes them available. */
744 avio_w8(pb, 1 << 7 | FLAC_METADATA_TYPE_STREAMINFO); /* LastMetadataBlockFlag << 7 | BlockType */
745 avio_wb24(pb, track->par->extradata_size); /* Length */
746 avio_write(pb, track->par->extradata, track->par->extradata_size); /* BlockData[Length] */
748 return update_size(pb, pos);
751 static int mov_write_dops_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
753 int64_t pos = avio_tell(pb);
755 ffio_wfourcc(pb, "dOps");
756 avio_w8(pb, 0); /* Version */
757 if (track->par->extradata_size < 19) {
758 av_log(s, AV_LOG_ERROR, "invalid extradata size\n");
759 return AVERROR_INVALIDDATA;
761 /* extradata contains an Ogg OpusHead, other than byte-ordering and
762 OpusHead's preceeding magic/version, OpusSpecificBox is currently
764 avio_w8(pb, AV_RB8(track->par->extradata + 9)); /* OuputChannelCount */
765 avio_wb16(pb, AV_RL16(track->par->extradata + 10)); /* PreSkip */
766 avio_wb32(pb, AV_RL32(track->par->extradata + 12)); /* InputSampleRate */
767 avio_wb16(pb, AV_RL16(track->par->extradata + 16)); /* OutputGain */
768 /* Write the rest of the header out without byte-swapping. */
769 avio_write(pb, track->par->extradata + 18, track->par->extradata_size - 18);
771 return update_size(pb, pos);
774 static int mov_write_dmlp_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
776 int64_t pos = avio_tell(pb);
779 ffio_wfourcc(pb, "dmlp");
781 if (track->vos_len < 20) {
782 av_log(s, AV_LOG_ERROR,
783 "Cannot write moov atom before TrueHD packets."
784 " Set the delay_moov flag to fix this.\n");
785 return AVERROR(EINVAL);
788 length = (AV_RB16(track->vos_data) & 0xFFF) * 2;
789 if (length < 20 || length > track->vos_len)
790 return AVERROR_INVALIDDATA;
792 // Only TrueHD is supported
793 if (AV_RB32(track->vos_data + 4) != 0xF8726FBA)
794 return AVERROR_INVALIDDATA;
796 avio_wb32(pb, AV_RB32(track->vos_data + 8)); /* format_info */
797 avio_wb16(pb, AV_RB16(track->vos_data + 18) << 1); /* peak_data_rate */
798 avio_wb32(pb, 0); /* reserved */
800 return update_size(pb, pos);
803 static int mov_write_chan_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
805 uint32_t layout_tag, bitmap;
806 int64_t pos = avio_tell(pb);
808 layout_tag = ff_mov_get_channel_layout_tag(track->par->codec_id,
809 track->par->channel_layout,
812 av_log(s, AV_LOG_WARNING, "not writing 'chan' tag due to "
813 "lack of channel information\n");
817 if (track->multichannel_as_mono)
820 avio_wb32(pb, 0); // Size
821 ffio_wfourcc(pb, "chan"); // Type
822 avio_w8(pb, 0); // Version
823 avio_wb24(pb, 0); // Flags
824 avio_wb32(pb, layout_tag); // mChannelLayoutTag
825 avio_wb32(pb, bitmap); // mChannelBitmap
826 avio_wb32(pb, 0); // mNumberChannelDescriptions
828 return update_size(pb, pos);
831 static int mov_write_wave_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
833 int64_t pos = avio_tell(pb);
835 avio_wb32(pb, 0); /* size */
836 ffio_wfourcc(pb, "wave");
838 if (track->par->codec_id != AV_CODEC_ID_QDM2) {
839 avio_wb32(pb, 12); /* size */
840 ffio_wfourcc(pb, "frma");
841 avio_wl32(pb, track->tag);
844 if (track->par->codec_id == AV_CODEC_ID_AAC) {
845 /* useless atom needed by mplayer, ipod, not needed by quicktime */
846 avio_wb32(pb, 12); /* size */
847 ffio_wfourcc(pb, "mp4a");
849 mov_write_esds_tag(pb, track);
850 } else if (mov_pcm_le_gt16(track->par->codec_id)) {
851 mov_write_enda_tag(pb);
852 } else if (mov_pcm_be_gt16(track->par->codec_id)) {
853 mov_write_enda_tag_be(pb);
854 } else if (track->par->codec_id == AV_CODEC_ID_AMR_NB) {
855 mov_write_amr_tag(pb, track);
856 } else if (track->par->codec_id == AV_CODEC_ID_AC3) {
857 mov_write_ac3_tag(s, pb, track);
858 } else if (track->par->codec_id == AV_CODEC_ID_EAC3) {
859 mov_write_eac3_tag(s, pb, track);
860 } else if (track->par->codec_id == AV_CODEC_ID_ALAC ||
861 track->par->codec_id == AV_CODEC_ID_QDM2) {
862 mov_write_extradata_tag(pb, track);
863 } else if (track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
864 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
865 mov_write_ms_tag(s, pb, track);
868 avio_wb32(pb, 8); /* size */
869 avio_wb32(pb, 0); /* null tag */
871 return update_size(pb, pos);
874 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
877 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
878 int unescaped_size, seq_found = 0;
879 int level = 0, interlace = 0;
880 int packet_seq = track->vc1_info.packet_seq;
881 int packet_entry = track->vc1_info.packet_entry;
882 int slices = track->vc1_info.slices;
885 if (track->start_dts == AV_NOPTS_VALUE) {
886 /* No packets written yet, vc1_info isn't authoritative yet. */
887 /* Assume inline sequence and entry headers. */
888 packet_seq = packet_entry = 1;
889 av_log(NULL, AV_LOG_WARNING,
890 "moov atom written before any packets, unable to write correct "
891 "dvc1 atom. Set the delay_moov flag to fix this.\n");
894 unescaped = av_mallocz(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
896 return AVERROR(ENOMEM);
897 start = find_next_marker(track->vos_data, end);
898 for (next = start; next < end; start = next) {
901 next = find_next_marker(start + 4, end);
902 size = next - start - 4;
905 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
906 init_get_bits(&gb, unescaped, 8 * unescaped_size);
907 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
908 int profile = get_bits(&gb, 2);
909 if (profile != PROFILE_ADVANCED) {
911 return AVERROR(ENOSYS);
914 level = get_bits(&gb, 3);
915 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
917 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
918 skip_bits(&gb, 1); /* broadcast */
919 interlace = get_bits1(&gb);
920 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
925 return AVERROR(ENOSYS);
928 init_put_bits(&pbc, buf, 7);
929 /* VC1DecSpecStruc */
930 put_bits(&pbc, 4, 12); /* profile - advanced */
931 put_bits(&pbc, 3, level);
932 put_bits(&pbc, 1, 0); /* reserved */
933 /* VC1AdvDecSpecStruc */
934 put_bits(&pbc, 3, level);
935 put_bits(&pbc, 1, 0); /* cbr */
936 put_bits(&pbc, 6, 0); /* reserved */
937 put_bits(&pbc, 1, !interlace); /* no interlace */
938 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
939 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
940 put_bits(&pbc, 1, !slices); /* no slice code */
941 put_bits(&pbc, 1, 0); /* no bframe */
942 put_bits(&pbc, 1, 0); /* reserved */
945 if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0)
946 put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den);
948 put_bits32(&pbc, 0xffffffff);
950 flush_put_bits(&pbc);
957 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
959 uint8_t buf[7] = { 0 };
962 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
965 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
966 ffio_wfourcc(pb, "dvc1");
967 avio_write(pb, buf, sizeof(buf));
968 avio_write(pb, track->vos_data, track->vos_len);
973 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
975 avio_wb32(pb, track->vos_len + 8);
976 ffio_wfourcc(pb, "glbl");
977 avio_write(pb, track->vos_data, track->vos_len);
978 return 8 + track->vos_len;
982 * Compute flags for 'lpcm' tag.
983 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
985 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
988 case AV_CODEC_ID_PCM_F32BE:
989 case AV_CODEC_ID_PCM_F64BE:
991 case AV_CODEC_ID_PCM_F32LE:
992 case AV_CODEC_ID_PCM_F64LE:
994 case AV_CODEC_ID_PCM_U8:
996 case AV_CODEC_ID_PCM_S16BE:
997 case AV_CODEC_ID_PCM_S24BE:
998 case AV_CODEC_ID_PCM_S32BE:
1000 case AV_CODEC_ID_PCM_S8:
1001 case AV_CODEC_ID_PCM_S16LE:
1002 case AV_CODEC_ID_PCM_S24LE:
1003 case AV_CODEC_ID_PCM_S32LE:
1010 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
1014 if (cluster_idx >= track->entry)
1017 if (cluster_idx + 1 == track->entry)
1018 next_dts = track->track_duration + track->start_dts;
1020 next_dts = track->cluster[cluster_idx + 1].dts;
1022 next_dts -= track->cluster[cluster_idx].dts;
1024 av_assert0(next_dts >= 0);
1025 av_assert0(next_dts <= INT_MAX);
1030 static int get_samples_per_packet(MOVTrack *track)
1032 int i, first_duration;
1034 // return track->par->frame_size;
1036 /* use 1 for raw PCM */
1037 if (!track->audio_vbr)
1040 /* check to see if duration is constant for all clusters */
1043 first_duration = get_cluster_duration(track, 0);
1044 for (i = 1; i < track->entry; i++) {
1045 if (get_cluster_duration(track, i) != first_duration)
1048 return first_duration;
1051 static int mov_write_audio_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1053 int64_t pos = avio_tell(pb);
1055 uint32_t tag = track->tag;
1058 if (track->mode == MODE_MOV) {
1059 if (track->timescale > UINT16_MAX || !track->par->channels) {
1060 if (mov_get_lpcm_flags(track->par->codec_id))
1061 tag = AV_RL32("lpcm");
1063 } else if (track->audio_vbr || mov_pcm_le_gt16(track->par->codec_id) ||
1064 mov_pcm_be_gt16(track->par->codec_id) ||
1065 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
1066 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
1067 track->par->codec_id == AV_CODEC_ID_QDM2) {
1072 avio_wb32(pb, 0); /* size */
1073 if (mov->encryption_scheme != MOV_ENC_NONE) {
1074 ffio_wfourcc(pb, "enca");
1076 avio_wl32(pb, tag); // store it byteswapped
1078 avio_wb32(pb, 0); /* Reserved */
1079 avio_wb16(pb, 0); /* Reserved */
1080 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
1082 /* SoundDescription */
1083 avio_wb16(pb, version); /* Version */
1084 avio_wb16(pb, 0); /* Revision level */
1085 avio_wb32(pb, 0); /* Reserved */
1090 avio_wb16(pb, 0xfffe);
1092 avio_wb32(pb, 0x00010000);
1094 avio_wb64(pb, av_double2int(track->par->sample_rate));
1095 avio_wb32(pb, track->par->channels);
1096 avio_wb32(pb, 0x7F000000);
1097 avio_wb32(pb, av_get_bits_per_sample(track->par->codec_id));
1098 avio_wb32(pb, mov_get_lpcm_flags(track->par->codec_id));
1099 avio_wb32(pb, track->sample_size);
1100 avio_wb32(pb, get_samples_per_packet(track));
1102 if (track->mode == MODE_MOV) {
1103 avio_wb16(pb, track->par->channels);
1104 if (track->par->codec_id == AV_CODEC_ID_PCM_U8 ||
1105 track->par->codec_id == AV_CODEC_ID_PCM_S8)
1106 avio_wb16(pb, 8); /* bits per sample */
1107 else if (track->par->codec_id == AV_CODEC_ID_ADPCM_G726)
1108 avio_wb16(pb, track->par->bits_per_coded_sample);
1111 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
1112 } else { /* reserved for mp4/3gp */
1113 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
1114 track->par->codec_id == AV_CODEC_ID_ALAC ||
1115 track->par->codec_id == AV_CODEC_ID_OPUS) {
1116 avio_wb16(pb, track->par->channels);
1120 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
1121 track->par->codec_id == AV_CODEC_ID_ALAC) {
1122 avio_wb16(pb, track->par->bits_per_raw_sample);
1129 avio_wb16(pb, 0); /* packet size (= 0) */
1130 if (track->par->codec_id == AV_CODEC_ID_OPUS)
1131 avio_wb16(pb, 48000);
1132 else if (track->par->codec_id == AV_CODEC_ID_TRUEHD)
1133 avio_wb32(pb, track->par->sample_rate);
1135 avio_wb16(pb, track->par->sample_rate <= UINT16_MAX ?
1136 track->par->sample_rate : 0);
1138 if (track->par->codec_id != AV_CODEC_ID_TRUEHD)
1139 avio_wb16(pb, 0); /* Reserved */
1142 if (version == 1) { /* SoundDescription V1 extended info */
1143 if (mov_pcm_le_gt16(track->par->codec_id) ||
1144 mov_pcm_be_gt16(track->par->codec_id))
1145 avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
1147 avio_wb32(pb, track->par->frame_size); /* Samples per packet */
1148 avio_wb32(pb, track->sample_size / track->par->channels); /* Bytes per packet */
1149 avio_wb32(pb, track->sample_size); /* Bytes per frame */
1150 avio_wb32(pb, 2); /* Bytes per sample */
1153 if (track->mode == MODE_MOV &&
1154 (track->par->codec_id == AV_CODEC_ID_AAC ||
1155 track->par->codec_id == AV_CODEC_ID_AC3 ||
1156 track->par->codec_id == AV_CODEC_ID_EAC3 ||
1157 track->par->codec_id == AV_CODEC_ID_AMR_NB ||
1158 track->par->codec_id == AV_CODEC_ID_ALAC ||
1159 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
1160 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
1161 track->par->codec_id == AV_CODEC_ID_QDM2 ||
1162 (mov_pcm_le_gt16(track->par->codec_id) && version==1) ||
1163 (mov_pcm_be_gt16(track->par->codec_id) && version==1)))
1164 ret = mov_write_wave_tag(s, pb, track);
1165 else if (track->tag == MKTAG('m','p','4','a'))
1166 ret = mov_write_esds_tag(pb, track);
1167 else if (track->par->codec_id == AV_CODEC_ID_AMR_NB)
1168 ret = mov_write_amr_tag(pb, track);
1169 else if (track->par->codec_id == AV_CODEC_ID_AC3)
1170 ret = mov_write_ac3_tag(s, pb, track);
1171 else if (track->par->codec_id == AV_CODEC_ID_EAC3)
1172 ret = mov_write_eac3_tag(s, pb, track);
1173 else if (track->par->codec_id == AV_CODEC_ID_ALAC)
1174 ret = mov_write_extradata_tag(pb, track);
1175 else if (track->par->codec_id == AV_CODEC_ID_WMAPRO)
1176 ret = mov_write_wfex_tag(s, pb, track);
1177 else if (track->par->codec_id == AV_CODEC_ID_FLAC)
1178 ret = mov_write_dfla_tag(pb, track);
1179 else if (track->par->codec_id == AV_CODEC_ID_OPUS)
1180 ret = mov_write_dops_tag(s, pb, track);
1181 else if (track->par->codec_id == AV_CODEC_ID_TRUEHD)
1182 ret = mov_write_dmlp_tag(s, pb, track);
1183 else if (track->vos_len > 0)
1184 ret = mov_write_glbl_tag(pb, track);
1189 if (track->mode == MODE_MOV && track->par->codec_type == AVMEDIA_TYPE_AUDIO
1190 && ((ret = mov_write_chan_tag(s, pb, track)) < 0)) {
1194 if (mov->encryption_scheme != MOV_ENC_NONE
1195 && ((ret = ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid)) < 0)) {
1199 ret = update_size(pb, pos);
1203 static int mov_write_d263_tag(AVIOContext *pb)
1205 avio_wb32(pb, 0xf); /* size */
1206 ffio_wfourcc(pb, "d263");
1207 ffio_wfourcc(pb, "FFMP");
1208 avio_w8(pb, 0); /* decoder version */
1209 /* FIXME use AVCodecContext level/profile, when encoder will set values */
1210 avio_w8(pb, 0xa); /* level */
1211 avio_w8(pb, 0); /* profile */
1215 static int mov_write_av1c_tag(AVIOContext *pb, MOVTrack *track)
1217 int64_t pos = avio_tell(pb);
1220 ffio_wfourcc(pb, "av1C");
1221 ff_isom_write_av1c(pb, track->vos_data, track->vos_len);
1222 return update_size(pb, pos);
1225 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
1227 int64_t pos = avio_tell(pb);
1230 ffio_wfourcc(pb, "avcC");
1231 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
1232 return update_size(pb, pos);
1235 static int mov_write_vpcc_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
1237 int64_t pos = avio_tell(pb);
1240 ffio_wfourcc(pb, "vpcC");
1241 avio_w8(pb, 1); /* version */
1242 avio_wb24(pb, 0); /* flags */
1243 ff_isom_write_vpcc(s, pb, track->par);
1244 return update_size(pb, pos);
1247 static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
1249 int64_t pos = avio_tell(pb);
1252 ffio_wfourcc(pb, "hvcC");
1253 if (track->tag == MKTAG('h','v','c','1'))
1254 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 1);
1256 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
1257 return update_size(pb, pos);
1260 /* also used by all avid codecs (dv, imx, meridien) and their variants */
1261 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
1266 int display_width = track->par->width;
1268 if (track->vos_data && track->vos_len > 0x29) {
1269 if (ff_dnxhd_parse_header_prefix(track->vos_data) != 0) {
1270 /* looks like a DNxHD bit stream */
1271 interlaced = (track->vos_data[5] & 2);
1272 cid = AV_RB32(track->vos_data + 0x28);
1274 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream in vos_data\n");
1278 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream, vos_data too small\n");
1282 avio_wb32(pb, 24); /* size */
1283 ffio_wfourcc(pb, "ACLR");
1284 ffio_wfourcc(pb, "ACLR");
1285 ffio_wfourcc(pb, "0001");
1286 if (track->par->color_range == AVCOL_RANGE_MPEG || /* Legal range (16-235) */
1287 track->par->color_range == AVCOL_RANGE_UNSPECIFIED) {
1288 avio_wb32(pb, 1); /* Corresponds to 709 in official encoder */
1289 } else { /* Full range (0-255) */
1290 avio_wb32(pb, 2); /* Corresponds to RGB in official encoder */
1292 avio_wb32(pb, 0); /* unknown */
1294 if (track->tag == MKTAG('A','V','d','h')) {
1296 ffio_wfourcc(pb, "ADHR");
1297 ffio_wfourcc(pb, "0001");
1299 avio_wb32(pb, 0); /* unknown */
1300 avio_wb32(pb, 1); /* unknown */
1301 avio_wb32(pb, 0); /* unknown */
1302 avio_wb32(pb, 0); /* unknown */
1306 avio_wb32(pb, 24); /* size */
1307 ffio_wfourcc(pb, "APRG");
1308 ffio_wfourcc(pb, "APRG");
1309 ffio_wfourcc(pb, "0001");
1310 avio_wb32(pb, 1); /* unknown */
1311 avio_wb32(pb, 0); /* unknown */
1313 avio_wb32(pb, 120); /* size */
1314 ffio_wfourcc(pb, "ARES");
1315 ffio_wfourcc(pb, "ARES");
1316 ffio_wfourcc(pb, "0001");
1317 avio_wb32(pb, cid); /* dnxhd cid, some id ? */
1318 if ( track->par->sample_aspect_ratio.num > 0
1319 && track->par->sample_aspect_ratio.den > 0)
1320 display_width = display_width * track->par->sample_aspect_ratio.num / track->par->sample_aspect_ratio.den;
1321 avio_wb32(pb, display_width);
1322 /* values below are based on samples created with quicktime and avid codecs */
1324 avio_wb32(pb, track->par->height / 2);
1325 avio_wb32(pb, 2); /* unknown */
1326 avio_wb32(pb, 0); /* unknown */
1327 avio_wb32(pb, 4); /* unknown */
1329 avio_wb32(pb, track->par->height);
1330 avio_wb32(pb, 1); /* unknown */
1331 avio_wb32(pb, 0); /* unknown */
1332 if (track->par->height == 1080)
1333 avio_wb32(pb, 5); /* unknown */
1335 avio_wb32(pb, 6); /* unknown */
1338 for (i = 0; i < 10; i++)
1344 static int mov_write_dpxe_tag(AVIOContext *pb, MOVTrack *track)
1347 ffio_wfourcc(pb, "DpxE");
1348 if (track->par->extradata_size >= 12 &&
1349 !memcmp(&track->par->extradata[4], "DpxE", 4)) {
1350 avio_wb32(pb, track->par->extradata[11]);
1357 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
1361 if (track->par->width == 720) { /* SD */
1362 if (track->par->height == 480) { /* NTSC */
1363 if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
1364 else tag = MKTAG('d','v','c',' ');
1365 }else if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
1366 else if (track->par->format == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
1367 else tag = MKTAG('d','v','p','p');
1368 } else if (track->par->height == 720) { /* HD 720 line */
1369 if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q');
1370 else tag = MKTAG('d','v','h','p');
1371 } else if (track->par->height == 1080) { /* HD 1080 line */
1372 if (track->st->time_base.den == 25) tag = MKTAG('d','v','h','5');
1373 else tag = MKTAG('d','v','h','6');
1375 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
1382 static AVRational find_fps(AVFormatContext *s, AVStream *st)
1384 AVRational rate = st->avg_frame_rate;
1386 #if FF_API_LAVF_AVCTX
1387 FF_DISABLE_DEPRECATION_WARNINGS
1388 rate = av_inv_q(st->codec->time_base);
1389 if (av_timecode_check_frame_rate(rate) < 0) {
1390 av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
1391 rate.num, rate.den, st->avg_frame_rate.num, st->avg_frame_rate.den);
1392 rate = st->avg_frame_rate;
1394 FF_ENABLE_DEPRECATION_WARNINGS
1400 static int defined_frame_rate(AVFormatContext *s, AVStream *st)
1402 AVRational rational_framerate = find_fps(s, st);
1404 if (rational_framerate.den != 0)
1405 rate = av_q2d(rational_framerate);
1409 static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext *s, MOVTrack *track)
1411 int tag = track->par->codec_tag;
1412 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1413 AVStream *st = track->st;
1414 int rate = defined_frame_rate(s, st);
1417 tag = MKTAG('m', '2', 'v', '1'); //fallback tag
1419 if (track->par->format == AV_PIX_FMT_YUV420P) {
1420 if (track->par->width == 1280 && track->par->height == 720) {
1422 if (rate == 24) tag = MKTAG('x','d','v','4');
1423 else if (rate == 25) tag = MKTAG('x','d','v','5');
1424 else if (rate == 30) tag = MKTAG('x','d','v','1');
1425 else if (rate == 50) tag = MKTAG('x','d','v','a');
1426 else if (rate == 60) tag = MKTAG('x','d','v','9');
1428 } else if (track->par->width == 1440 && track->par->height == 1080) {
1430 if (rate == 24) tag = MKTAG('x','d','v','6');
1431 else if (rate == 25) tag = MKTAG('x','d','v','7');
1432 else if (rate == 30) tag = MKTAG('x','d','v','8');
1434 if (rate == 25) tag = MKTAG('x','d','v','3');
1435 else if (rate == 30) tag = MKTAG('x','d','v','2');
1437 } else if (track->par->width == 1920 && track->par->height == 1080) {
1439 if (rate == 24) tag = MKTAG('x','d','v','d');
1440 else if (rate == 25) tag = MKTAG('x','d','v','e');
1441 else if (rate == 30) tag = MKTAG('x','d','v','f');
1443 if (rate == 25) tag = MKTAG('x','d','v','c');
1444 else if (rate == 30) tag = MKTAG('x','d','v','b');
1447 } else if (track->par->format == AV_PIX_FMT_YUV422P) {
1448 if (track->par->width == 1280 && track->par->height == 720) {
1450 if (rate == 24) tag = MKTAG('x','d','5','4');
1451 else if (rate == 25) tag = MKTAG('x','d','5','5');
1452 else if (rate == 30) tag = MKTAG('x','d','5','1');
1453 else if (rate == 50) tag = MKTAG('x','d','5','a');
1454 else if (rate == 60) tag = MKTAG('x','d','5','9');
1456 } else if (track->par->width == 1920 && track->par->height == 1080) {
1458 if (rate == 24) tag = MKTAG('x','d','5','d');
1459 else if (rate == 25) tag = MKTAG('x','d','5','e');
1460 else if (rate == 30) tag = MKTAG('x','d','5','f');
1462 if (rate == 25) tag = MKTAG('x','d','5','c');
1463 else if (rate == 30) tag = MKTAG('x','d','5','b');
1471 static int mov_get_h264_codec_tag(AVFormatContext *s, MOVTrack *track)
1473 int tag = track->par->codec_tag;
1474 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1475 AVStream *st = track->st;
1476 int rate = defined_frame_rate(s, st);
1479 tag = MKTAG('a', 'v', 'c', 'i'); //fallback tag
1481 if (track->par->format == AV_PIX_FMT_YUV420P10) {
1482 if (track->par->width == 960 && track->par->height == 720) {
1484 if (rate == 24) tag = MKTAG('a','i','5','p');
1485 else if (rate == 25) tag = MKTAG('a','i','5','q');
1486 else if (rate == 30) tag = MKTAG('a','i','5','p');
1487 else if (rate == 50) tag = MKTAG('a','i','5','q');
1488 else if (rate == 60) tag = MKTAG('a','i','5','p');
1490 } else if (track->par->width == 1440 && track->par->height == 1080) {
1492 if (rate == 24) tag = MKTAG('a','i','5','3');
1493 else if (rate == 25) tag = MKTAG('a','i','5','2');
1494 else if (rate == 30) tag = MKTAG('a','i','5','3');
1496 if (rate == 50) tag = MKTAG('a','i','5','5');
1497 else if (rate == 60) tag = MKTAG('a','i','5','6');
1500 } else if (track->par->format == AV_PIX_FMT_YUV422P10) {
1501 if (track->par->width == 1280 && track->par->height == 720) {
1503 if (rate == 24) tag = MKTAG('a','i','1','p');
1504 else if (rate == 25) tag = MKTAG('a','i','1','q');
1505 else if (rate == 30) tag = MKTAG('a','i','1','p');
1506 else if (rate == 50) tag = MKTAG('a','i','1','q');
1507 else if (rate == 60) tag = MKTAG('a','i','1','p');
1509 } else if (track->par->width == 1920 && track->par->height == 1080) {
1511 if (rate == 24) tag = MKTAG('a','i','1','3');
1512 else if (rate == 25) tag = MKTAG('a','i','1','2');
1513 else if (rate == 30) tag = MKTAG('a','i','1','3');
1515 if (rate == 25) tag = MKTAG('a','i','1','5');
1516 else if (rate == 50) tag = MKTAG('a','i','1','5');
1517 else if (rate == 60) tag = MKTAG('a','i','1','6');
1519 } else if ( track->par->width == 4096 && track->par->height == 2160
1520 || track->par->width == 3840 && track->par->height == 2160
1521 || track->par->width == 2048 && track->par->height == 1080) {
1522 tag = MKTAG('a','i','v','x');
1529 static const struct {
1530 enum AVPixelFormat pix_fmt;
1533 } mov_pix_fmt_tags[] = {
1534 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
1535 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
1536 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
1537 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
1538 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
1539 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
1540 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
1541 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
1542 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
1543 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
1544 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
1545 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
1546 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
1547 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
1548 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
1551 static int mov_get_dnxhd_codec_tag(AVFormatContext *s, MOVTrack *track)
1553 int tag = MKTAG('A','V','d','n');
1554 if (track->par->profile != FF_PROFILE_UNKNOWN &&
1555 track->par->profile != FF_PROFILE_DNXHD)
1556 tag = MKTAG('A','V','d','h');
1560 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
1562 int tag = track->par->codec_tag;
1564 enum AVPixelFormat pix_fmt;
1566 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
1567 if (track->par->format == mov_pix_fmt_tags[i].pix_fmt) {
1568 tag = mov_pix_fmt_tags[i].tag;
1569 track->par->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
1570 if (track->par->codec_tag == mov_pix_fmt_tags[i].tag)
1575 pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_mov,
1576 track->par->bits_per_coded_sample);
1577 if (tag == MKTAG('r','a','w',' ') &&
1578 track->par->format != pix_fmt &&
1579 track->par->format != AV_PIX_FMT_GRAY8 &&
1580 track->par->format != AV_PIX_FMT_NONE)
1581 av_log(s, AV_LOG_ERROR, "%s rawvideo cannot be written to mov, output file will be unreadable\n",
1582 av_get_pix_fmt_name(track->par->format));
1586 static unsigned int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1588 unsigned int tag = track->par->codec_tag;
1590 if (!tag || (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
1591 (track->par->codec_id == AV_CODEC_ID_DVVIDEO ||
1592 track->par->codec_id == AV_CODEC_ID_RAWVIDEO ||
1593 track->par->codec_id == AV_CODEC_ID_H263 ||
1594 track->par->codec_id == AV_CODEC_ID_H264 ||
1595 track->par->codec_id == AV_CODEC_ID_DNXHD ||
1596 track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
1597 av_get_bits_per_sample(track->par->codec_id)))) { // pcm audio
1598 if (track->par->codec_id == AV_CODEC_ID_DVVIDEO)
1599 tag = mov_get_dv_codec_tag(s, track);
1600 else if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO)
1601 tag = mov_get_rawvideo_codec_tag(s, track);
1602 else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO)
1603 tag = mov_get_mpeg2_xdcam_codec_tag(s, track);
1604 else if (track->par->codec_id == AV_CODEC_ID_H264)
1605 tag = mov_get_h264_codec_tag(s, track);
1606 else if (track->par->codec_id == AV_CODEC_ID_DNXHD)
1607 tag = mov_get_dnxhd_codec_tag(s, track);
1608 else if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
1609 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->par->codec_id);
1610 if (!tag) { // if no mac fcc found, try with Microsoft tags
1611 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->par->codec_id);
1613 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
1614 "the file may be unplayable!\n");
1616 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
1617 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->par->codec_id);
1618 if (!tag) { // if no mac fcc found, try with Microsoft tags
1619 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->par->codec_id);
1621 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
1622 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
1623 "the file may be unplayable!\n");
1626 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
1627 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->par->codec_id);
1633 static const AVCodecTag codec_cover_image_tags[] = {
1634 { AV_CODEC_ID_MJPEG, 0xD },
1635 { AV_CODEC_ID_PNG, 0xE },
1636 { AV_CODEC_ID_BMP, 0x1B },
1637 { AV_CODEC_ID_NONE, 0 },
1640 static unsigned int validate_codec_tag(const AVCodecTag *const *tags,
1641 unsigned int tag, int codec_id)
1646 * Check that tag + id is in the table
1648 for (i = 0; tags && tags[i]; i++) {
1649 const AVCodecTag *codec_tags = tags[i];
1650 while (codec_tags->id != AV_CODEC_ID_NONE) {
1651 if (avpriv_toupper4(codec_tags->tag) == avpriv_toupper4(tag) &&
1652 codec_tags->id == codec_id)
1653 return codec_tags->tag;
1660 static unsigned int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
1662 if (is_cover_image(track->st))
1663 return ff_codec_get_tag(codec_cover_image_tags, track->par->codec_id);
1665 if (track->mode == MODE_IPOD)
1666 if (!av_match_ext(s->url, "m4a") &&
1667 !av_match_ext(s->url, "m4v") &&
1668 !av_match_ext(s->url, "m4b"))
1669 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
1670 "Quicktime/Ipod might not play the file\n");
1672 if (track->mode == MODE_MOV) {
1673 return mov_get_codec_tag(s, track);
1675 return validate_codec_tag(s->oformat->codec_tag, track->par->codec_tag,
1676 track->par->codec_id);
1679 /** Write uuid atom.
1680 * Needed to make file play in iPods running newest firmware
1681 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1683 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1686 ffio_wfourcc(pb, "uuid");
1687 avio_wb32(pb, 0x6b6840f2);
1688 avio_wb32(pb, 0x5f244fc5);
1689 avio_wb32(pb, 0xba39a51b);
1690 avio_wb32(pb, 0xcf0323f3);
1695 static const uint16_t fiel_data[] = {
1696 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1699 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track, int field_order)
1701 unsigned mov_field_order = 0;
1702 if (field_order < FF_ARRAY_ELEMS(fiel_data))
1703 mov_field_order = fiel_data[field_order];
1707 ffio_wfourcc(pb, "fiel");
1708 avio_wb16(pb, mov_field_order);
1712 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1714 int64_t pos = avio_tell(pb);
1715 avio_wb32(pb, 0); /* size */
1716 avio_wl32(pb, track->tag); // store it byteswapped
1717 avio_wb32(pb, 0); /* Reserved */
1718 avio_wb16(pb, 0); /* Reserved */
1719 avio_wb16(pb, 1); /* Data-reference index */
1721 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
1722 mov_write_esds_tag(pb, track);
1723 else if (track->par->extradata_size)
1724 avio_write(pb, track->par->extradata, track->par->extradata_size);
1726 return update_size(pb, pos);
1729 static int mov_write_st3d_tag(AVFormatContext *s, AVIOContext *pb, AVStereo3D *stereo_3d)
1733 if (stereo_3d->flags != 0) {
1734 av_log(s, AV_LOG_WARNING, "Unsupported stereo_3d flags %x. st3d not written.\n", stereo_3d->flags);
1738 switch (stereo_3d->type) {
1739 case AV_STEREO3D_2D:
1742 case AV_STEREO3D_TOPBOTTOM:
1745 case AV_STEREO3D_SIDEBYSIDE:
1749 av_log(s, AV_LOG_WARNING, "Unsupported stereo_3d type %s. st3d not written.\n", av_stereo3d_type_name(stereo_3d->type));
1752 avio_wb32(pb, 13); /* size */
1753 ffio_wfourcc(pb, "st3d");
1754 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1755 avio_w8(pb, stereo_mode);
1759 static int mov_write_sv3d_tag(AVFormatContext *s, AVIOContext *pb, AVSphericalMapping *spherical_mapping)
1761 int64_t sv3d_pos, svhd_pos, proj_pos;
1762 const char* metadata_source = s->flags & AVFMT_FLAG_BITEXACT ? "Lavf" : LIBAVFORMAT_IDENT;
1764 if (spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR &&
1765 spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR_TILE &&
1766 spherical_mapping->projection != AV_SPHERICAL_CUBEMAP) {
1767 av_log(s, AV_LOG_WARNING, "Unsupported projection %d. sv3d not written.\n", spherical_mapping->projection);
1771 sv3d_pos = avio_tell(pb);
1772 avio_wb32(pb, 0); /* size */
1773 ffio_wfourcc(pb, "sv3d");
1775 svhd_pos = avio_tell(pb);
1776 avio_wb32(pb, 0); /* size */
1777 ffio_wfourcc(pb, "svhd");
1778 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1779 avio_put_str(pb, metadata_source);
1780 update_size(pb, svhd_pos);
1782 proj_pos = avio_tell(pb);
1783 avio_wb32(pb, 0); /* size */
1784 ffio_wfourcc(pb, "proj");
1786 avio_wb32(pb, 24); /* size */
1787 ffio_wfourcc(pb, "prhd");
1788 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1789 avio_wb32(pb, spherical_mapping->yaw);
1790 avio_wb32(pb, spherical_mapping->pitch);
1791 avio_wb32(pb, spherical_mapping->roll);
1793 switch (spherical_mapping->projection) {
1794 case AV_SPHERICAL_EQUIRECTANGULAR:
1795 case AV_SPHERICAL_EQUIRECTANGULAR_TILE:
1796 avio_wb32(pb, 28); /* size */
1797 ffio_wfourcc(pb, "equi");
1798 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1799 avio_wb32(pb, spherical_mapping->bound_top);
1800 avio_wb32(pb, spherical_mapping->bound_bottom);
1801 avio_wb32(pb, spherical_mapping->bound_left);
1802 avio_wb32(pb, spherical_mapping->bound_right);
1804 case AV_SPHERICAL_CUBEMAP:
1805 avio_wb32(pb, 20); /* size */
1806 ffio_wfourcc(pb, "cbmp");
1807 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1808 avio_wb32(pb, 0); /* layout */
1809 avio_wb32(pb, spherical_mapping->padding); /* padding */
1812 update_size(pb, proj_pos);
1814 return update_size(pb, sv3d_pos);
1817 static int mov_write_clap_tag(AVIOContext *pb, MOVTrack *track)
1820 ffio_wfourcc(pb, "clap");
1821 avio_wb32(pb, track->par->width); /* apertureWidth_N */
1822 avio_wb32(pb, 1); /* apertureWidth_D (= 1) */
1823 avio_wb32(pb, track->height); /* apertureHeight_N */
1824 avio_wb32(pb, 1); /* apertureHeight_D (= 1) */
1825 avio_wb32(pb, 0); /* horizOff_N (= 0) */
1826 avio_wb32(pb, 1); /* horizOff_D (= 1) */
1827 avio_wb32(pb, 0); /* vertOff_N (= 0) */
1828 avio_wb32(pb, 1); /* vertOff_D (= 1) */
1832 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1835 av_reduce(&sar.num, &sar.den, track->par->sample_aspect_ratio.num,
1836 track->par->sample_aspect_ratio.den, INT_MAX);
1839 ffio_wfourcc(pb, "pasp");
1840 avio_wb32(pb, sar.num);
1841 avio_wb32(pb, sar.den);
1845 static int mov_write_gama_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track, double gamma)
1849 gamma = avpriv_get_gamma_from_trc(track->par->color_trc);
1851 av_log(s, AV_LOG_DEBUG, "gamma value %g\n", gamma);
1854 gama = (uint32_t)lrint((double)(1<<16) * gamma);
1855 av_log(s, AV_LOG_DEBUG, "writing gama value %"PRId32"\n", gama);
1857 av_assert0(track->mode == MODE_MOV);
1859 ffio_wfourcc(pb, "gama");
1860 avio_wb32(pb, gama);
1863 av_log(s, AV_LOG_WARNING, "gamma value unknown, unable to write gama atom\n");
1868 static int mov_write_colr_tag(AVIOContext *pb, MOVTrack *track, int prefer_icc)
1870 int64_t pos = avio_tell(pb);
1872 // Ref (MOV): https://developer.apple.com/library/mac/technotes/tn2162/_index.html#//apple_ref/doc/uid/DTS40013070-CH1-TNTAG9
1873 // Ref (MP4): ISO/IEC 14496-12:2012
1875 const uint8_t *icc_profile;
1876 int icc_profile_size;
1879 icc_profile = av_stream_get_side_data(track->st, AV_PKT_DATA_ICC_PROFILE, &icc_profile_size);
1882 avio_wb32(pb, 12 + icc_profile_size);
1883 ffio_wfourcc(pb, "colr");
1884 ffio_wfourcc(pb, "prof");
1885 avio_write(pb, icc_profile, icc_profile_size);
1886 return 12 + icc_profile_size;
1889 av_log(NULL, AV_LOG_INFO, "no ICC profile found, will write nclx/nclc colour info instead\n");
1893 /* We should only ever be called by MOV or MP4. */
1894 av_assert0(track->mode == MODE_MOV || track->mode == MODE_MP4);
1896 avio_wb32(pb, 0); /* size */
1897 ffio_wfourcc(pb, "colr");
1898 if (track->mode == MODE_MP4)
1899 ffio_wfourcc(pb, "nclx");
1901 ffio_wfourcc(pb, "nclc");
1902 // Do not try to guess the color info if it is AVCOL_PRI_UNSPECIFIED.
1903 // e.g., Dolby Vision for Apple devices should be set to AVCOL_PRI_UNSPECIFIED. See
1904 // https://developer.apple.com/av-foundation/High-Dynamic-Range-Metadata-for-Apple-Devices.pdf
1905 avio_wb16(pb, track->par->color_primaries);
1906 avio_wb16(pb, track->par->color_trc);
1907 avio_wb16(pb, track->par->color_space);
1908 if (track->mode == MODE_MP4) {
1909 int full_range = track->par->color_range == AVCOL_RANGE_JPEG;
1910 avio_w8(pb, full_range << 7);
1913 return update_size(pb, pos);
1916 static int mov_write_clli_tag(AVIOContext *pb, MOVTrack *track)
1918 const uint8_t *side_data;
1919 const AVContentLightMetadata *content_light_metadata;
1921 side_data = av_stream_get_side_data(track->st, AV_PKT_DATA_CONTENT_LIGHT_LEVEL, NULL);
1923 av_log(NULL, AV_LOG_VERBOSE, "Not writing 'clli' atom. No content light level info.\n");
1926 content_light_metadata = (const AVContentLightMetadata*)side_data;
1928 avio_wb32(pb, 12); // size
1929 ffio_wfourcc(pb, "clli");
1930 avio_wb16(pb, content_light_metadata->MaxCLL);
1931 avio_wb16(pb, content_light_metadata->MaxFALL);
1935 static inline int64_t rescale_mdcv(AVRational q, int b)
1937 return av_rescale(q.num, b, q.den);
1940 static int mov_write_mdcv_tag(AVIOContext *pb, MOVTrack *track)
1942 const int chroma_den = 50000;
1943 const int luma_den = 10000;
1944 const uint8_t *side_data;
1945 const AVMasteringDisplayMetadata *metadata;
1947 side_data = av_stream_get_side_data(track->st, AV_PKT_DATA_MASTERING_DISPLAY_METADATA, NULL);
1948 metadata = (const AVMasteringDisplayMetadata*)side_data;
1949 if (!metadata || !metadata->has_primaries || !metadata->has_luminance) {
1950 av_log(NULL, AV_LOG_VERBOSE, "Not writing 'mdcv' atom. Missing mastering metadata.\n");
1954 avio_wb32(pb, 32); // size
1955 ffio_wfourcc(pb, "mdcv");
1956 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[1][0], chroma_den));
1957 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[1][1], chroma_den));
1958 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[2][0], chroma_den));
1959 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[2][1], chroma_den));
1960 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[0][0], chroma_den));
1961 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[0][1], chroma_den));
1962 avio_wb16(pb, rescale_mdcv(metadata->white_point[0], chroma_den));
1963 avio_wb16(pb, rescale_mdcv(metadata->white_point[1], chroma_den));
1964 avio_wb32(pb, rescale_mdcv(metadata->max_luminance, luma_den));
1965 avio_wb32(pb, rescale_mdcv(metadata->min_luminance, luma_den));
1969 static void find_compressor(char * compressor_name, int len, MOVTrack *track)
1971 AVDictionaryEntry *encoder;
1972 int xdcam_res = (track->par->width == 1280 && track->par->height == 720)
1973 || (track->par->width == 1440 && track->par->height == 1080)
1974 || (track->par->width == 1920 && track->par->height == 1080);
1976 if (track->mode == MODE_MOV &&
1977 (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0))) {
1978 av_strlcpy(compressor_name, encoder->value, 32);
1979 } else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) {
1980 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1981 AVStream *st = track->st;
1982 int rate = defined_frame_rate(NULL, st);
1983 av_strlcatf(compressor_name, len, "XDCAM");
1984 if (track->par->format == AV_PIX_FMT_YUV422P) {
1985 av_strlcatf(compressor_name, len, " HD422");
1986 } else if(track->par->width == 1440) {
1987 av_strlcatf(compressor_name, len, " HD");
1989 av_strlcatf(compressor_name, len, " EX");
1991 av_strlcatf(compressor_name, len, " %d%c", track->par->height, interlaced ? 'i' : 'p');
1993 av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1));
1997 static int mov_write_video_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1999 int64_t pos = avio_tell(pb);
2000 char compressor_name[32] = { 0 };
2003 int uncompressed_ycbcr = ((track->par->codec_id == AV_CODEC_ID_RAWVIDEO && track->par->format == AV_PIX_FMT_UYVY422)
2004 || (track->par->codec_id == AV_CODEC_ID_RAWVIDEO && track->par->format == AV_PIX_FMT_YUYV422)
2005 || track->par->codec_id == AV_CODEC_ID_V308
2006 || track->par->codec_id == AV_CODEC_ID_V408
2007 || track->par->codec_id == AV_CODEC_ID_V410
2008 || track->par->codec_id == AV_CODEC_ID_V210);
2010 avio_wb32(pb, 0); /* size */
2011 if (mov->encryption_scheme != MOV_ENC_NONE) {
2012 ffio_wfourcc(pb, "encv");
2014 avio_wl32(pb, track->tag); // store it byteswapped
2016 avio_wb32(pb, 0); /* Reserved */
2017 avio_wb16(pb, 0); /* Reserved */
2018 avio_wb16(pb, 1); /* Data-reference index */
2020 if (uncompressed_ycbcr) {
2021 avio_wb16(pb, 2); /* Codec stream version */
2023 avio_wb16(pb, 0); /* Codec stream version */
2025 avio_wb16(pb, 0); /* Codec stream revision (=0) */
2026 if (track->mode == MODE_MOV) {
2027 ffio_wfourcc(pb, "FFMP"); /* Vendor */
2028 if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO || uncompressed_ycbcr) {
2029 avio_wb32(pb, 0); /* Temporal Quality */
2030 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
2032 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
2033 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
2036 avio_wb32(pb, 0); /* Reserved */
2037 avio_wb32(pb, 0); /* Reserved */
2038 avio_wb32(pb, 0); /* Reserved */
2040 avio_wb16(pb, track->par->width); /* Video width */
2041 avio_wb16(pb, track->height); /* Video height */
2042 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
2043 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
2044 avio_wb32(pb, 0); /* Data size (= 0) */
2045 avio_wb16(pb, 1); /* Frame count (= 1) */
2047 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
2048 find_compressor(compressor_name, 32, track);
2049 avio_w8(pb, strlen(compressor_name));
2050 avio_write(pb, compressor_name, 31);
2052 if (track->mode == MODE_MOV &&
2053 (track->par->codec_id == AV_CODEC_ID_V410 || track->par->codec_id == AV_CODEC_ID_V210))
2054 avio_wb16(pb, 0x18);
2055 else if (track->mode == MODE_MOV && track->par->bits_per_coded_sample)
2056 avio_wb16(pb, track->par->bits_per_coded_sample |
2057 (track->par->format == AV_PIX_FMT_GRAY8 ? 0x20 : 0));
2059 avio_wb16(pb, 0x18); /* Reserved */
2061 if (track->mode == MODE_MOV && track->par->format == AV_PIX_FMT_PAL8) {
2062 int pal_size = 1 << track->par->bits_per_coded_sample;
2064 avio_wb16(pb, 0); /* Color table ID */
2065 avio_wb32(pb, 0); /* Color table seed */
2066 avio_wb16(pb, 0x8000); /* Color table flags */
2067 avio_wb16(pb, pal_size - 1); /* Color table size (zero-relative) */
2068 for (i = 0; i < pal_size; i++) {
2069 uint32_t rgb = track->palette[i];
2070 uint16_t r = (rgb >> 16) & 0xff;
2071 uint16_t g = (rgb >> 8) & 0xff;
2072 uint16_t b = rgb & 0xff;
2074 avio_wb16(pb, (r << 8) | r);
2075 avio_wb16(pb, (g << 8) | g);
2076 avio_wb16(pb, (b << 8) | b);
2079 avio_wb16(pb, 0xffff); /* Reserved */
2081 if (track->tag == MKTAG('m','p','4','v'))
2082 mov_write_esds_tag(pb, track);
2083 else if (track->par->codec_id == AV_CODEC_ID_H263)
2084 mov_write_d263_tag(pb);
2085 else if (track->par->codec_id == AV_CODEC_ID_AVUI ||
2086 track->par->codec_id == AV_CODEC_ID_SVQ3) {
2087 mov_write_extradata_tag(pb, track);
2089 } else if (track->par->codec_id == AV_CODEC_ID_DNXHD) {
2090 mov_write_avid_tag(pb, track);
2092 } else if (track->par->codec_id == AV_CODEC_ID_HEVC)
2093 mov_write_hvcc_tag(pb, track);
2094 else if (track->par->codec_id == AV_CODEC_ID_H264 && !TAG_IS_AVCI(track->tag)) {
2095 mov_write_avcc_tag(pb, track);
2096 if (track->mode == MODE_IPOD)
2097 mov_write_uuid_tag_ipod(pb);
2098 } else if (track->par->codec_id == AV_CODEC_ID_VP9) {
2099 mov_write_vpcc_tag(mov->fc, pb, track);
2100 } else if (track->par->codec_id == AV_CODEC_ID_AV1) {
2101 mov_write_av1c_tag(pb, track);
2102 } else if (track->par->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
2103 mov_write_dvc1_tag(pb, track);
2104 else if (track->par->codec_id == AV_CODEC_ID_VP6F ||
2105 track->par->codec_id == AV_CODEC_ID_VP6A) {
2106 /* Don't write any potential extradata here - the cropping
2107 * is signalled via the normal width/height fields. */
2108 } else if (track->par->codec_id == AV_CODEC_ID_R10K) {
2109 if (track->par->codec_tag == MKTAG('R','1','0','k'))
2110 mov_write_dpxe_tag(pb, track);
2111 } else if (track->vos_len > 0)
2112 mov_write_glbl_tag(pb, track);
2114 if (track->par->codec_id != AV_CODEC_ID_H264 &&
2115 track->par->codec_id != AV_CODEC_ID_MPEG4 &&
2116 track->par->codec_id != AV_CODEC_ID_DNXHD) {
2117 int field_order = track->par->field_order;
2119 #if FF_API_LAVF_AVCTX
2120 FF_DISABLE_DEPRECATION_WARNINGS
2121 if (field_order != track->st->codec->field_order && track->st->codec->field_order != AV_FIELD_UNKNOWN)
2122 field_order = track->st->codec->field_order;
2123 FF_ENABLE_DEPRECATION_WARNINGS
2126 if (field_order != AV_FIELD_UNKNOWN)
2127 mov_write_fiel_tag(pb, track, field_order);
2130 if (mov->flags & FF_MOV_FLAG_WRITE_GAMA) {
2131 if (track->mode == MODE_MOV)
2132 mov_write_gama_tag(s, pb, track, mov->gamma);
2134 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'gama' atom. Format is not MOV.\n");
2136 if (mov->flags & FF_MOV_FLAG_WRITE_COLR) {
2137 if (track->mode == MODE_MOV || track->mode == MODE_MP4)
2138 mov_write_colr_tag(pb, track, mov->flags & FF_MOV_FLAG_PREFER_ICC);
2140 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'colr' atom. Format is not MOV or MP4.\n");
2142 if (track->mode == MODE_MOV || track->mode == MODE_MP4) {
2143 mov_write_clli_tag(pb, track);
2144 mov_write_mdcv_tag(pb, track);
2147 if (track->mode == MODE_MP4 && mov->fc->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
2148 AVStereo3D* stereo_3d = (AVStereo3D*) av_stream_get_side_data(track->st, AV_PKT_DATA_STEREO3D, NULL);
2149 AVSphericalMapping* spherical_mapping = (AVSphericalMapping*)av_stream_get_side_data(track->st, AV_PKT_DATA_SPHERICAL, NULL);
2152 mov_write_st3d_tag(s, pb, stereo_3d);
2153 if (spherical_mapping)
2154 mov_write_sv3d_tag(mov->fc, pb, spherical_mapping);
2157 if (track->par->sample_aspect_ratio.den && track->par->sample_aspect_ratio.num) {
2158 mov_write_pasp_tag(pb, track);
2161 if (uncompressed_ycbcr){
2162 mov_write_clap_tag(pb, track);
2165 if (mov->encryption_scheme != MOV_ENC_NONE) {
2166 ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid);
2169 /* extra padding for avid stsd */
2170 /* https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/QTFFChap2/qtff2.html#//apple_ref/doc/uid/TP40000939-CH204-61112 */
2174 return update_size(pb, pos);
2177 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
2179 int64_t pos = avio_tell(pb);
2180 avio_wb32(pb, 0); /* size */
2181 ffio_wfourcc(pb, "rtp ");
2182 avio_wb32(pb, 0); /* Reserved */
2183 avio_wb16(pb, 0); /* Reserved */
2184 avio_wb16(pb, 1); /* Data-reference index */
2186 avio_wb16(pb, 1); /* Hint track version */
2187 avio_wb16(pb, 1); /* Highest compatible version */
2188 avio_wb32(pb, track->max_packet_size); /* Max packet size */
2190 avio_wb32(pb, 12); /* size */
2191 ffio_wfourcc(pb, "tims");
2192 avio_wb32(pb, track->timescale);
2194 return update_size(pb, pos);
2197 static int mov_write_source_reference_tag(AVIOContext *pb, MOVTrack *track, const char *reel_name)
2199 uint64_t str_size =strlen(reel_name);
2200 int64_t pos = avio_tell(pb);
2202 if (str_size >= UINT16_MAX){
2203 av_log(NULL, AV_LOG_ERROR, "reel_name length %"PRIu64" is too large\n", str_size);
2205 return AVERROR(EINVAL);
2208 avio_wb32(pb, 0); /* size */
2209 ffio_wfourcc(pb, "name"); /* Data format */
2210 avio_wb16(pb, str_size); /* string size */
2211 avio_wb16(pb, track->language); /* langcode */
2212 avio_write(pb, reel_name, str_size); /* reel name */
2213 return update_size(pb,pos);
2216 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
2218 int64_t pos = avio_tell(pb);
2222 AVDictionaryEntry *t = NULL;
2224 if (!track->st->avg_frame_rate.num || !track->st->avg_frame_rate.den) {
2225 #if FF_API_LAVF_AVCTX
2226 FF_DISABLE_DEPRECATION_WARNINGS
2227 frame_duration = av_rescale(track->timescale, track->st->codec->time_base.num, track->st->codec->time_base.den);
2228 nb_frames = ROUNDED_DIV(track->st->codec->time_base.den, track->st->codec->time_base.num);
2229 FF_ENABLE_DEPRECATION_WARNINGS
2231 av_log(NULL, AV_LOG_ERROR, "avg_frame_rate not set for tmcd track.\n");
2232 return AVERROR(EINVAL);
2235 frame_duration = av_rescale(track->timescale, track->st->avg_frame_rate.num, track->st->avg_frame_rate.den);
2236 nb_frames = ROUNDED_DIV(track->st->avg_frame_rate.den, track->st->avg_frame_rate.num);
2239 if (nb_frames > 255) {
2240 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
2241 return AVERROR(EINVAL);
2244 avio_wb32(pb, 0); /* size */
2245 ffio_wfourcc(pb, "tmcd"); /* Data format */
2246 avio_wb32(pb, 0); /* Reserved */
2247 avio_wb32(pb, 1); /* Data reference index */
2248 avio_wb32(pb, 0); /* Flags */
2249 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
2250 avio_wb32(pb, track->timescale); /* Timescale */
2251 avio_wb32(pb, frame_duration); /* Frame duration */
2252 avio_w8(pb, nb_frames); /* Number of frames */
2253 avio_w8(pb, 0); /* Reserved */
2255 t = av_dict_get(track->st->metadata, "reel_name", NULL, 0);
2256 if (t && utf8len(t->value) && track->mode != MODE_MP4)
2257 mov_write_source_reference_tag(pb, track, t->value);
2259 avio_wb16(pb, 0); /* zero size */
2262 avio_wb32(pb, 0); /* size */
2263 ffio_wfourcc(pb, "tmcd"); /* Data format */
2264 avio_wb32(pb, 0); /* Reserved */
2265 avio_wb32(pb, 1); /* Data reference index */
2266 if (track->par->extradata_size)
2267 avio_write(pb, track->par->extradata, track->par->extradata_size);
2269 return update_size(pb, pos);
2272 static int mov_write_gpmd_tag(AVIOContext *pb, const MOVTrack *track)
2274 int64_t pos = avio_tell(pb);
2275 avio_wb32(pb, 0); /* size */
2276 ffio_wfourcc(pb, "gpmd");
2277 avio_wb32(pb, 0); /* Reserved */
2278 avio_wb16(pb, 0); /* Reserved */
2279 avio_wb16(pb, 1); /* Data-reference index */
2280 avio_wb32(pb, 0); /* Reserved */
2281 return update_size(pb, pos);
2284 static int mov_write_stsd_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2286 int64_t pos = avio_tell(pb);
2288 avio_wb32(pb, 0); /* size */
2289 ffio_wfourcc(pb, "stsd");
2290 avio_wb32(pb, 0); /* version & flags */
2291 avio_wb32(pb, 1); /* entry count */
2292 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2293 ret = mov_write_video_tag(s, pb, mov, track);
2294 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2295 ret = mov_write_audio_tag(s, pb, mov, track);
2296 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
2297 ret = mov_write_subtitle_tag(pb, track);
2298 else if (track->par->codec_tag == MKTAG('r','t','p',' '))
2299 ret = mov_write_rtp_tag(pb, track);
2300 else if (track->par->codec_tag == MKTAG('t','m','c','d'))
2301 ret = mov_write_tmcd_tag(pb, track);
2302 else if (track->par->codec_tag == MKTAG('g','p','m','d'))
2303 ret = mov_write_gpmd_tag(pb, track);
2308 return update_size(pb, pos);
2311 static int mov_write_ctts_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
2313 MOVMuxContext *mov = s->priv_data;
2314 MOVStts *ctts_entries;
2315 uint32_t entries = 0;
2319 ctts_entries = av_malloc_array((track->entry + 1), sizeof(*ctts_entries)); /* worst case */
2321 return AVERROR(ENOMEM);
2322 ctts_entries[0].count = 1;
2323 ctts_entries[0].duration = track->cluster[0].cts;
2324 for (i = 1; i < track->entry; i++) {
2325 if (track->cluster[i].cts == ctts_entries[entries].duration) {
2326 ctts_entries[entries].count++; /* compress */
2329 ctts_entries[entries].duration = track->cluster[i].cts;
2330 ctts_entries[entries].count = 1;
2333 entries++; /* last one */
2334 atom_size = 16 + (entries * 8);
2335 avio_wb32(pb, atom_size); /* size */
2336 ffio_wfourcc(pb, "ctts");
2337 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
2338 avio_w8(pb, 1); /* version */
2340 avio_w8(pb, 0); /* version */
2341 avio_wb24(pb, 0); /* flags */
2342 avio_wb32(pb, entries); /* entry count */
2343 for (i = 0; i < entries; i++) {
2344 avio_wb32(pb, ctts_entries[i].count);
2345 avio_wb32(pb, ctts_entries[i].duration);
2347 av_free(ctts_entries);
2351 /* Time to sample atom */
2352 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
2354 MOVStts *stts_entries = NULL;
2355 uint32_t entries = -1;
2359 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
2360 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
2362 return AVERROR(ENOMEM);
2363 stts_entries[0].count = track->sample_count;
2364 stts_entries[0].duration = 1;
2368 stts_entries = av_malloc_array(track->entry, sizeof(*stts_entries)); /* worst case */
2370 return AVERROR(ENOMEM);
2372 for (i = 0; i < track->entry; i++) {
2373 int duration = get_cluster_duration(track, i);
2374 if (i && duration == stts_entries[entries].duration) {
2375 stts_entries[entries].count++; /* compress */
2378 stts_entries[entries].duration = duration;
2379 stts_entries[entries].count = 1;
2382 entries++; /* last one */
2384 atom_size = 16 + (entries * 8);
2385 avio_wb32(pb, atom_size); /* size */
2386 ffio_wfourcc(pb, "stts");
2387 avio_wb32(pb, 0); /* version & flags */
2388 avio_wb32(pb, entries); /* entry count */
2389 for (i = 0; i < entries; i++) {
2390 avio_wb32(pb, stts_entries[i].count);
2391 avio_wb32(pb, stts_entries[i].duration);
2393 av_free(stts_entries);
2397 static int mov_write_dref_tag(AVIOContext *pb)
2399 avio_wb32(pb, 28); /* size */
2400 ffio_wfourcc(pb, "dref");
2401 avio_wb32(pb, 0); /* version & flags */
2402 avio_wb32(pb, 1); /* entry count */
2404 avio_wb32(pb, 0xc); /* size */
2405 //FIXME add the alis and rsrc atom
2406 ffio_wfourcc(pb, "url ");
2407 avio_wb32(pb, 1); /* version & flags */
2412 static int mov_preroll_write_stbl_atoms(AVIOContext *pb, MOVTrack *track)
2416 int16_t roll_distance;
2417 int group_description_index;
2420 struct sgpd_entry *sgpd_entries = NULL;
2425 const int OPUS_SEEK_PREROLL_MS = 80;
2426 int roll_samples = av_rescale_q(OPUS_SEEK_PREROLL_MS,
2427 (AVRational){1, 1000},
2428 (AVRational){1, 48000});
2433 sgpd_entries = av_malloc_array(track->entry, sizeof(*sgpd_entries));
2435 return AVERROR(ENOMEM);
2437 av_assert0(track->par->codec_id == AV_CODEC_ID_OPUS || track->par->codec_id == AV_CODEC_ID_AAC);
2439 if (track->par->codec_id == AV_CODEC_ID_OPUS) {
2440 for (i = 0; i < track->entry; i++) {
2441 int roll_samples_remaining = roll_samples;
2443 for (j = i - 1; j >= 0; j--) {
2444 roll_samples_remaining -= get_cluster_duration(track, j);
2446 if (roll_samples_remaining <= 0)
2449 /* We don't have enough preceeding samples to compute a valid
2450 roll_distance here, so this sample can't be independently
2452 if (roll_samples_remaining > 0)
2454 /* Verify distance is a maximum of 32 (2.5ms) packets. */
2456 return AVERROR_INVALIDDATA;
2457 if (i && distance == sgpd_entries[entries].roll_distance) {
2458 sgpd_entries[entries].count++;
2461 sgpd_entries[entries].count = 1;
2462 sgpd_entries[entries].roll_distance = distance;
2463 sgpd_entries[entries].group_description_index = distance ? ++group : 0;
2468 sgpd_entries[entries].count = track->sample_count;
2469 sgpd_entries[entries].roll_distance = 1;
2470 sgpd_entries[entries].group_description_index = ++group;
2475 av_free(sgpd_entries);
2479 /* Write sgpd tag */
2480 avio_wb32(pb, 24 + (group * 2)); /* size */
2481 ffio_wfourcc(pb, "sgpd");
2482 avio_wb32(pb, 1 << 24); /* fullbox */
2483 ffio_wfourcc(pb, "roll");
2484 avio_wb32(pb, 2); /* default_length */
2485 avio_wb32(pb, group); /* entry_count */
2486 for (i = 0; i < entries; i++) {
2487 if (sgpd_entries[i].group_description_index) {
2488 avio_wb16(pb, -sgpd_entries[i].roll_distance); /* roll_distance */
2492 /* Write sbgp tag */
2493 avio_wb32(pb, 20 + (entries * 8)); /* size */
2494 ffio_wfourcc(pb, "sbgp");
2495 avio_wb32(pb, 0); /* fullbox */
2496 ffio_wfourcc(pb, "roll");
2497 avio_wb32(pb, entries); /* entry_count */
2498 for (i = 0; i < entries; i++) {
2499 avio_wb32(pb, sgpd_entries[i].count); /* sample_count */
2500 avio_wb32(pb, sgpd_entries[i].group_description_index); /* group_description_index */
2503 av_free(sgpd_entries);
2507 static int mov_write_stbl_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2509 int64_t pos = avio_tell(pb);
2512 avio_wb32(pb, 0); /* size */
2513 ffio_wfourcc(pb, "stbl");
2514 if ((ret = mov_write_stsd_tag(s, pb, mov, track)) < 0)
2516 mov_write_stts_tag(pb, track);
2517 if ((track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2518 track->par->codec_id == AV_CODEC_ID_TRUEHD ||
2519 track->par->codec_id == AV_CODEC_ID_MPEGH_3D_AUDIO ||
2520 track->par->codec_tag == MKTAG('r','t','p',' ')) &&
2521 track->has_keyframes && track->has_keyframes < track->entry)
2522 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
2523 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO && track->has_disposable)
2524 mov_write_sdtp_tag(pb, track);
2525 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
2526 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
2527 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO &&
2528 track->flags & MOV_TRACK_CTTS && track->entry) {
2530 if ((ret = mov_write_ctts_tag(s, pb, track)) < 0)
2533 mov_write_stsc_tag(pb, track);
2534 mov_write_stsz_tag(pb, track);
2535 mov_write_stco_tag(pb, track);
2536 if (track->cenc.aes_ctr) {
2537 ff_mov_cenc_write_stbl_atoms(&track->cenc, pb);
2539 if (track->par->codec_id == AV_CODEC_ID_OPUS || track->par->codec_id == AV_CODEC_ID_AAC) {
2540 mov_preroll_write_stbl_atoms(pb, track);
2542 return update_size(pb, pos);
2545 static int mov_write_dinf_tag(AVIOContext *pb)
2547 int64_t pos = avio_tell(pb);
2548 avio_wb32(pb, 0); /* size */
2549 ffio_wfourcc(pb, "dinf");
2550 mov_write_dref_tag(pb);
2551 return update_size(pb, pos);
2554 static int mov_write_nmhd_tag(AVIOContext *pb)
2557 ffio_wfourcc(pb, "nmhd");
2562 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
2564 int64_t pos = avio_tell(pb);
2565 const char *font = "Lucida Grande";
2566 avio_wb32(pb, 0); /* size */
2567 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
2568 avio_wb32(pb, 0); /* version & flags */
2569 avio_wb16(pb, 0); /* text font */
2570 avio_wb16(pb, 0); /* text face */
2571 avio_wb16(pb, 12); /* text size */
2572 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
2573 avio_wb16(pb, 0x0000); /* text color (red) */
2574 avio_wb16(pb, 0x0000); /* text color (green) */
2575 avio_wb16(pb, 0x0000); /* text color (blue) */
2576 avio_wb16(pb, 0xffff); /* background color (red) */
2577 avio_wb16(pb, 0xffff); /* background color (green) */
2578 avio_wb16(pb, 0xffff); /* background color (blue) */
2579 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
2580 avio_write(pb, font, strlen(font)); /* font name */
2581 return update_size(pb, pos);
2584 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
2586 int64_t pos = avio_tell(pb);
2587 avio_wb32(pb, 0); /* size */
2588 ffio_wfourcc(pb, "gmhd");
2589 avio_wb32(pb, 0x18); /* gmin size */
2590 ffio_wfourcc(pb, "gmin");/* generic media info */
2591 avio_wb32(pb, 0); /* version & flags */
2592 avio_wb16(pb, 0x40); /* graphics mode = */
2593 avio_wb16(pb, 0x8000); /* opColor (r?) */
2594 avio_wb16(pb, 0x8000); /* opColor (g?) */
2595 avio_wb16(pb, 0x8000); /* opColor (b?) */
2596 avio_wb16(pb, 0); /* balance */
2597 avio_wb16(pb, 0); /* reserved */
2600 * This special text atom is required for
2601 * Apple Quicktime chapters. The contents
2602 * don't appear to be documented, so the
2603 * bytes are copied verbatim.
2605 if (track->tag != MKTAG('c','6','0','8')) {
2606 avio_wb32(pb, 0x2C); /* size */
2607 ffio_wfourcc(pb, "text");
2608 avio_wb16(pb, 0x01);
2609 avio_wb32(pb, 0x00);
2610 avio_wb32(pb, 0x00);
2611 avio_wb32(pb, 0x00);
2612 avio_wb32(pb, 0x01);
2613 avio_wb32(pb, 0x00);
2614 avio_wb32(pb, 0x00);
2615 avio_wb32(pb, 0x00);
2616 avio_wb32(pb, 0x00004000);
2617 avio_wb16(pb, 0x0000);
2620 if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2621 int64_t tmcd_pos = avio_tell(pb);
2622 avio_wb32(pb, 0); /* size */
2623 ffio_wfourcc(pb, "tmcd");
2624 mov_write_tcmi_tag(pb, track);
2625 update_size(pb, tmcd_pos);
2626 } else if (track->par->codec_tag == MKTAG('g','p','m','d')) {
2627 int64_t gpmd_pos = avio_tell(pb);
2628 avio_wb32(pb, 0); /* size */
2629 ffio_wfourcc(pb, "gpmd");
2630 avio_wb32(pb, 0); /* version */
2631 update_size(pb, gpmd_pos);
2633 return update_size(pb, pos);
2636 static int mov_write_smhd_tag(AVIOContext *pb)
2638 avio_wb32(pb, 16); /* size */
2639 ffio_wfourcc(pb, "smhd");
2640 avio_wb32(pb, 0); /* version & flags */
2641 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
2642 avio_wb16(pb, 0); /* reserved */
2646 static int mov_write_vmhd_tag(AVIOContext *pb)
2648 avio_wb32(pb, 0x14); /* size (always 0x14) */
2649 ffio_wfourcc(pb, "vmhd");
2650 avio_wb32(pb, 0x01); /* version & flags */
2651 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
2655 static int is_clcp_track(MOVTrack *track)
2657 return track->tag == MKTAG('c','7','0','8') ||
2658 track->tag == MKTAG('c','6','0','8');
2661 static int mov_write_hdlr_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
2663 MOVMuxContext *mov = s->priv_data;
2664 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
2665 int64_t pos = avio_tell(pb);
2669 descr = "DataHandler";
2672 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
2673 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
2675 descr = "VideoHandler";
2676 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
2678 descr = "SoundHandler";
2679 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2680 if (is_clcp_track(track)) {
2682 descr = "ClosedCaptionHandler";
2684 if (track->tag == MKTAG('t','x','3','g')) {
2686 } else if (track->tag == MKTAG('m','p','4','s')) {
2691 descr = "SubtitleHandler";
2693 } else if (track->par->codec_tag == MKTAG('r','t','p',' ')) {
2695 descr = "HintHandler";
2696 } else if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2698 descr = "TimeCodeHandler";
2699 } else if (track->par->codec_tag == MKTAG('g','p','m','d')) {
2701 descr = "GoPro MET"; // GoPro Metadata
2703 av_log(s, AV_LOG_WARNING,
2704 "Unknown hldr_type for %s, writing dummy values\n",
2705 av_fourcc2str(track->par->codec_tag));
2708 // hdlr.name is used by some players to identify the content title
2709 // of the track. So if an alternate handler description is
2710 // specified, use it.
2711 AVDictionaryEntry *t;
2712 t = av_dict_get(track->st->metadata, "handler_name", NULL, 0);
2713 if (t && utf8len(t->value))
2718 if (mov->empty_hdlr_name) /* expressly allowed by QTFF and not prohibited in ISO 14496-12 8.4.3.3 */
2721 avio_wb32(pb, 0); /* size */
2722 ffio_wfourcc(pb, "hdlr");
2723 avio_wb32(pb, 0); /* Version & flags */
2724 avio_write(pb, hdlr, 4); /* handler */
2725 ffio_wfourcc(pb, hdlr_type); /* handler type */
2726 avio_wb32(pb, 0); /* reserved */
2727 avio_wb32(pb, 0); /* reserved */
2728 avio_wb32(pb, 0); /* reserved */
2729 if (!track || track->mode == MODE_MOV)
2730 avio_w8(pb, strlen(descr)); /* pascal string */
2731 avio_write(pb, descr, strlen(descr)); /* handler description */
2732 if (track && track->mode != MODE_MOV)
2733 avio_w8(pb, 0); /* c string */
2734 return update_size(pb, pos);
2737 static int mov_write_hmhd_tag(AVIOContext *pb)
2739 /* This atom must be present, but leaving the values at zero
2740 * seems harmless. */
2741 avio_wb32(pb, 28); /* size */
2742 ffio_wfourcc(pb, "hmhd");
2743 avio_wb32(pb, 0); /* version, flags */
2744 avio_wb16(pb, 0); /* maxPDUsize */
2745 avio_wb16(pb, 0); /* avgPDUsize */
2746 avio_wb32(pb, 0); /* maxbitrate */
2747 avio_wb32(pb, 0); /* avgbitrate */
2748 avio_wb32(pb, 0); /* reserved */
2752 static int mov_write_minf_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2754 int64_t pos = avio_tell(pb);
2757 avio_wb32(pb, 0); /* size */
2758 ffio_wfourcc(pb, "minf");
2759 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2760 mov_write_vmhd_tag(pb);
2761 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2762 mov_write_smhd_tag(pb);
2763 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2764 if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
2765 mov_write_gmhd_tag(pb, track);
2767 mov_write_nmhd_tag(pb);
2769 } else if (track->tag == MKTAG('r','t','p',' ')) {
2770 mov_write_hmhd_tag(pb);
2771 } else if (track->tag == MKTAG('t','m','c','d')) {
2772 if (track->mode != MODE_MOV)
2773 mov_write_nmhd_tag(pb);
2775 mov_write_gmhd_tag(pb, track);
2776 } else if (track->tag == MKTAG('g','p','m','d')) {
2777 mov_write_gmhd_tag(pb, track);
2779 if (track->mode == MODE_MOV) /* ISO 14496-12 8.4.3.1 specifies hdlr only within mdia or meta boxes */
2780 mov_write_hdlr_tag(s, pb, NULL);
2781 mov_write_dinf_tag(pb);
2782 if ((ret = mov_write_stbl_tag(s, pb, mov, track)) < 0)
2784 return update_size(pb, pos);
2787 static int64_t calc_pts_duration(MOVMuxContext *mov, MOVTrack *track)
2789 if (track->tag == MKTAG('t','m','c','d')) {
2790 // tmcd tracks gets track_duration set in mov_write_moov_tag from
2791 // another track's duration, while the end_pts may be left at zero.
2792 // Calculate the pts duration for that track instead.
2793 return av_rescale(calc_pts_duration(mov, &mov->tracks[track->src_track]),
2794 track->timescale, mov->tracks[track->src_track].timescale);
2796 if (track->end_pts != AV_NOPTS_VALUE &&
2797 track->start_dts != AV_NOPTS_VALUE &&
2798 track->start_cts != AV_NOPTS_VALUE) {
2799 return track->end_pts - (track->start_dts + track->start_cts);
2801 return track->track_duration;
2804 static int mov_write_mdhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2807 int64_t duration = calc_pts_duration(mov, track);
2808 int version = duration < INT32_MAX ? 0 : 1;
2810 if (track->mode == MODE_ISM)
2813 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
2814 ffio_wfourcc(pb, "mdhd");
2815 avio_w8(pb, version);
2816 avio_wb24(pb, 0); /* flags */
2818 avio_wb64(pb, track->time);
2819 avio_wb64(pb, track->time);
2821 avio_wb32(pb, track->time); /* creation time */
2822 avio_wb32(pb, track->time); /* modification time */
2824 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
2825 if (!track->entry && mov->mode == MODE_ISM)
2826 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2827 else if (!track->entry)
2828 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2830 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration); /* duration */
2831 avio_wb16(pb, track->language); /* language */
2832 avio_wb16(pb, 0); /* reserved (quality) */
2834 if (version != 0 && track->mode == MODE_MOV) {
2835 av_log(NULL, AV_LOG_ERROR,
2836 "FATAL error, file duration too long for timebase, this file will not be\n"
2837 "playable with QuickTime. Choose a different timebase with "
2838 "-video_track_timescale or a different container format\n");
2844 static int mov_write_mdia_tag(AVFormatContext *s, AVIOContext *pb,
2845 MOVMuxContext *mov, MOVTrack *track)
2847 int64_t pos = avio_tell(pb);
2850 avio_wb32(pb, 0); /* size */
2851 ffio_wfourcc(pb, "mdia");
2852 mov_write_mdhd_tag(pb, mov, track);
2853 mov_write_hdlr_tag(s, pb, track);
2854 if ((ret = mov_write_minf_tag(s, pb, mov, track)) < 0)
2856 return update_size(pb, pos);
2859 /* transformation matrix
2863 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
2864 int16_t d, int16_t tx, int16_t ty)
2866 avio_wb32(pb, a << 16); /* 16.16 format */
2867 avio_wb32(pb, b << 16); /* 16.16 format */
2868 avio_wb32(pb, 0); /* u in 2.30 format */
2869 avio_wb32(pb, c << 16); /* 16.16 format */
2870 avio_wb32(pb, d << 16); /* 16.16 format */
2871 avio_wb32(pb, 0); /* v in 2.30 format */
2872 avio_wb32(pb, tx << 16); /* 16.16 format */
2873 avio_wb32(pb, ty << 16); /* 16.16 format */
2874 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
2877 static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2878 MOVTrack *track, AVStream *st)
2880 int64_t duration = av_rescale_rnd(calc_pts_duration(mov, track),
2881 MOV_TIMESCALE, track->timescale,
2883 int version = duration < INT32_MAX ? 0 : 1;
2884 int flags = MOV_TKHD_FLAG_IN_MOVIE;
2888 uint32_t *display_matrix = NULL;
2889 int display_matrix_size, i;
2892 if (mov->per_stream_grouping)
2895 group = st->codecpar->codec_type;
2897 display_matrix = (uint32_t*)av_stream_get_side_data(st, AV_PKT_DATA_DISPLAYMATRIX,
2898 &display_matrix_size);
2899 if (display_matrix && display_matrix_size < 9 * sizeof(*display_matrix))
2900 display_matrix = NULL;
2903 if (track->flags & MOV_TRACK_ENABLED)
2904 flags |= MOV_TKHD_FLAG_ENABLED;
2906 if (track->mode == MODE_ISM)
2909 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
2910 ffio_wfourcc(pb, "tkhd");
2911 avio_w8(pb, version);
2912 avio_wb24(pb, flags);
2914 avio_wb64(pb, track->time);
2915 avio_wb64(pb, track->time);
2917 avio_wb32(pb, track->time); /* creation time */
2918 avio_wb32(pb, track->time); /* modification time */
2920 avio_wb32(pb, track->track_id); /* track-id */
2921 avio_wb32(pb, 0); /* reserved */
2922 if (!track->entry && mov->mode == MODE_ISM)
2923 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2924 else if (!track->entry)
2925 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2927 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
2929 avio_wb32(pb, 0); /* reserved */
2930 avio_wb32(pb, 0); /* reserved */
2931 avio_wb16(pb, 0); /* layer */
2932 avio_wb16(pb, group); /* alternate group) */
2933 /* Volume, only for audio */
2934 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2935 avio_wb16(pb, 0x0100);
2938 avio_wb16(pb, 0); /* reserved */
2940 /* Matrix structure */
2941 #if FF_API_OLD_ROTATE_API
2942 if (st && st->metadata) {
2943 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
2944 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
2947 if (display_matrix) {
2948 for (i = 0; i < 9; i++)
2949 avio_wb32(pb, display_matrix[i]);
2950 #if FF_API_OLD_ROTATE_API
2951 } else if (rotation == 90) {
2952 write_matrix(pb, 0, 1, -1, 0, track->par->height, 0);
2953 } else if (rotation == 180) {
2954 write_matrix(pb, -1, 0, 0, -1, track->par->width, track->par->height);
2955 } else if (rotation == 270) {
2956 write_matrix(pb, 0, -1, 1, 0, 0, track->par->width);
2959 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2961 /* Track width and height, for visual only */
2962 if (st && (track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2963 track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
2964 int64_t track_width_1616;
2965 if (track->mode == MODE_MOV) {
2966 track_width_1616 = track->par->width * 0x10000ULL;
2968 track_width_1616 = av_rescale(st->sample_aspect_ratio.num,
2969 track->par->width * 0x10000LL,
2970 st->sample_aspect_ratio.den);
2971 if (!track_width_1616 ||
2972 track->height != track->par->height ||
2973 track_width_1616 > UINT32_MAX)
2974 track_width_1616 = track->par->width * 0x10000ULL;
2976 if (track_width_1616 > UINT32_MAX) {
2977 av_log(mov->fc, AV_LOG_WARNING, "track width is too large\n");
2978 track_width_1616 = 0;
2980 avio_wb32(pb, track_width_1616);
2981 if (track->height > 0xFFFF) {
2982 av_log(mov->fc, AV_LOG_WARNING, "track height is too large\n");
2985 avio_wb32(pb, track->height * 0x10000U);
2993 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
2995 int32_t width = av_rescale(track->par->sample_aspect_ratio.num, track->par->width,
2996 track->par->sample_aspect_ratio.den);
2998 int64_t pos = avio_tell(pb);
3000 avio_wb32(pb, 0); /* size */
3001 ffio_wfourcc(pb, "tapt");
3004 ffio_wfourcc(pb, "clef");
3006 avio_wb32(pb, width << 16);
3007 avio_wb32(pb, track->par->height << 16);
3010 ffio_wfourcc(pb, "prof");
3012 avio_wb32(pb, width << 16);
3013 avio_wb32(pb, track->par->height << 16);
3016 ffio_wfourcc(pb, "enof");
3018 avio_wb32(pb, track->par->width << 16);
3019 avio_wb32(pb, track->par->height << 16);
3021 return update_size(pb, pos);
3024 // This box seems important for the psp playback ... without it the movie seems to hang
3025 static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov,
3028 int64_t duration = av_rescale_rnd(calc_pts_duration(mov, track),
3029 MOV_TIMESCALE, track->timescale,
3031 int version = duration < INT32_MAX ? 0 : 1;
3032 int entry_size, entry_count, size;
3033 int64_t delay, start_ct = track->start_cts;
3034 int64_t start_dts = track->start_dts;
3037 if (start_dts != track->cluster[0].dts || start_ct != track->cluster[0].cts) {
3039 av_log(mov->fc, AV_LOG_DEBUG,
3040 "EDTS using dts:%"PRId64" cts:%d instead of dts:%"PRId64" cts:%"PRId64" tid:%d\n",
3041 track->cluster[0].dts, track->cluster[0].cts,
3042 start_dts, start_ct, track->track_id);
3043 start_dts = track->cluster[0].dts;
3044 start_ct = track->cluster[0].cts;
3048 delay = av_rescale_rnd(start_dts + start_ct, MOV_TIMESCALE,
3049 track->timescale, AV_ROUND_DOWN);
3050 version |= delay < INT32_MAX ? 0 : 1;
3052 entry_size = (version == 1) ? 20 : 12;
3053 entry_count = 1 + (delay > 0);
3054 size = 24 + entry_count * entry_size;
3056 /* write the atom data */
3057 avio_wb32(pb, size);
3058 ffio_wfourcc(pb, "edts");
3059 avio_wb32(pb, size - 8);
3060 ffio_wfourcc(pb, "elst");
3061 avio_w8(pb, version);
3062 avio_wb24(pb, 0); /* flags */
3064 avio_wb32(pb, entry_count);
3065 if (delay > 0) { /* add an empty edit to delay presentation */
3066 /* In the positive delay case, the delay includes the cts
3067 * offset, and the second edit list entry below trims out
3068 * the same amount from the actual content. This makes sure
3069 * that the offset last sample is included in the edit
3070 * list duration as well. */
3072 avio_wb64(pb, delay);
3075 avio_wb32(pb, delay);
3078 avio_wb32(pb, 0x00010000);
3080 /* Avoid accidentally ending up with start_ct = -1 which has got a
3081 * special meaning. Normally start_ct should end up positive or zero
3082 * here, but use FFMIN in case dts is a small positive integer
3083 * rounded to 0 when represented in MOV_TIMESCALE units. */
3084 av_assert0(av_rescale_rnd(start_dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
3085 start_ct = -FFMIN(start_dts, 0);
3086 /* Note, this delay is calculated from the pts of the first sample,
3087 * ensuring that we don't reduce the duration for cases with
3092 /* For fragmented files, we don't know the full length yet. Setting
3093 * duration to 0 allows us to only specify the offset, including
3094 * the rest of the content (from all future fragments) without specifying
3095 * an explicit duration. */
3096 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
3101 avio_wb64(pb, duration);
3102 avio_wb64(pb, start_ct);
3104 avio_wb32(pb, duration);
3105 avio_wb32(pb, start_ct);
3107 avio_wb32(pb, 0x00010000);
3111 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
3113 avio_wb32(pb, 20); // size
3114 ffio_wfourcc(pb, "tref");
3115 avio_wb32(pb, 12); // size (subatom)
3116 avio_wl32(pb, track->tref_tag);
3117 avio_wb32(pb, track->tref_id);
3121 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
3122 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
3124 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
3125 ffio_wfourcc(pb, "uuid");
3126 ffio_wfourcc(pb, "USMT");
3127 avio_wb32(pb, 0x21d24fce);
3128 avio_wb32(pb, 0xbb88695c);
3129 avio_wb32(pb, 0xfac9c740);
3130 avio_wb32(pb, 0x1c); // another size here!
3131 ffio_wfourcc(pb, "MTDT");
3132 avio_wb32(pb, 0x00010012);
3133 avio_wb32(pb, 0x0a);
3134 avio_wb32(pb, 0x55c40000);
3140 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
3142 AVFormatContext *ctx = track->rtp_ctx;
3143 char buf[1000] = "";
3146 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
3147 NULL, NULL, 0, 0, ctx);
3148 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
3151 avio_wb32(pb, len + 24);
3152 ffio_wfourcc(pb, "udta");
3153 avio_wb32(pb, len + 16);
3154 ffio_wfourcc(pb, "hnti");
3155 avio_wb32(pb, len + 8);
3156 ffio_wfourcc(pb, "sdp ");
3157 avio_write(pb, buf, len);
3161 static int mov_write_track_metadata(AVIOContext *pb, AVStream *st,
3162 const char *tag, const char *str)
3164 int64_t pos = avio_tell(pb);
3165 AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
3166 if (!t || !utf8len(t->value))
3169 avio_wb32(pb, 0); /* size */
3170 ffio_wfourcc(pb, tag); /* type */
3171 avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
3172 return update_size(pb, pos);
3175 static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3178 AVIOContext *pb_buf;
3185 ret = avio_open_dyn_buf(&pb_buf);
3189 if (mov->mode & (MODE_MP4|MODE_MOV))
3190 mov_write_track_metadata(pb_buf, st, "name", "title");
3192 if ((size = avio_get_dyn_buf(pb_buf, &buf)) > 0) {
3193 avio_wb32(pb, size + 8);
3194 ffio_wfourcc(pb, "udta");
3195 avio_write(pb, buf, size);
3197 ffio_free_dyn_buf(&pb_buf);
3202 static int mov_write_trak_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov,
3203 MOVTrack *track, AVStream *st)
3205 int64_t pos = avio_tell(pb);
3206 int entry_backup = track->entry;
3207 int chunk_backup = track->chunkCount;
3210 /* If we want to have an empty moov, but some samples already have been
3211 * buffered (delay_moov), pretend that no samples have been written yet. */
3212 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV)
3213 track->chunkCount = track->entry = 0;
3215 avio_wb32(pb, 0); /* size */
3216 ffio_wfourcc(pb, "trak");
3217 mov_write_tkhd_tag(pb, mov, track, st);
3219 av_assert2(mov->use_editlist >= 0);
3221 if (track->start_dts != AV_NOPTS_VALUE) {
3222 if (mov->use_editlist)
3223 mov_write_edts_tag(pb, mov, track); // PSP Movies and several other cases require edts box
3224 else if ((track->entry && track->cluster[0].dts) || track->mode == MODE_PSP || is_clcp_track(track))
3225 av_log(mov->fc, AV_LOG_WARNING,
3226 "Not writing any edit list even though one would have been required\n");
3229 if (track->tref_tag)
3230 mov_write_tref_tag(pb, track);
3232 if ((ret = mov_write_mdia_tag(s, pb, mov, track)) < 0)
3234 if (track->mode == MODE_PSP)
3235 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
3236 if (track->tag == MKTAG('r','t','p',' '))
3237 mov_write_udta_sdp(pb, track);
3238 if (track->mode == MODE_MOV) {
3239 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
3240 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
3241 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio) {
3242 mov_write_tapt_tag(pb, track);
3245 if (is_clcp_track(track) && st->sample_aspect_ratio.num) {
3246 mov_write_tapt_tag(pb, track);
3249 mov_write_track_udta_tag(pb, mov, st);
3250 track->entry = entry_backup;
3251 track->chunkCount = chunk_backup;
3252 return update_size(pb, pos);
3255 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
3257 int i, has_audio = 0, has_video = 0;
3258 int64_t pos = avio_tell(pb);
3259 int audio_profile = mov->iods_audio_profile;
3260 int video_profile = mov->iods_video_profile;
3261 for (i = 0; i < mov->nb_streams; i++) {
3262 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3263 has_audio |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_AUDIO;
3264 has_video |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_VIDEO;
3267 if (audio_profile < 0)
3268 audio_profile = 0xFF - has_audio;
3269 if (video_profile < 0)
3270 video_profile = 0xFF - has_video;
3271 avio_wb32(pb, 0x0); /* size */
3272 ffio_wfourcc(pb, "iods");
3273 avio_wb32(pb, 0); /* version & flags */
3274 put_descr(pb, 0x10, 7);
3275 avio_wb16(pb, 0x004f);
3278 avio_w8(pb, audio_profile);
3279 avio_w8(pb, video_profile);
3281 return update_size(pb, pos);
3284 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
3286 avio_wb32(pb, 0x20); /* size */
3287 ffio_wfourcc(pb, "trex");
3288 avio_wb32(pb, 0); /* version & flags */
3289 avio_wb32(pb, track->track_id); /* track ID */
3290 avio_wb32(pb, 1); /* default sample description index */
3291 avio_wb32(pb, 0); /* default sample duration */
3292 avio_wb32(pb, 0); /* default sample size */
3293 avio_wb32(pb, 0); /* default sample flags */
3297 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
3299 int64_t pos = avio_tell(pb);
3301 avio_wb32(pb, 0x0); /* size */
3302 ffio_wfourcc(pb, "mvex");
3303 for (i = 0; i < mov->nb_streams; i++)
3304 mov_write_trex_tag(pb, &mov->tracks[i]);
3305 return update_size(pb, pos);
3308 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
3310 int max_track_id = 1, i;
3311 int64_t max_track_len = 0;
3314 for (i = 0; i < mov->nb_streams; i++) {
3315 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
3316 int64_t max_track_len_temp = av_rescale_rnd(
3317 calc_pts_duration(mov, &mov->tracks[i]),
3319 mov->tracks[i].timescale,
3321 if (max_track_len < max_track_len_temp)
3322 max_track_len = max_track_len_temp;
3323 if (max_track_id < mov->tracks[i].track_id)
3324 max_track_id = mov->tracks[i].track_id;
3327 /* If using delay_moov, make sure the output is the same as if no
3328 * samples had been written yet. */
3329 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3334 version = max_track_len < UINT32_MAX ? 0 : 1;
3335 avio_wb32(pb, version == 1 ? 120 : 108); /* size */
3337 ffio_wfourcc(pb, "mvhd");
3338 avio_w8(pb, version);
3339 avio_wb24(pb, 0); /* flags */
3341 avio_wb64(pb, mov->time);
3342 avio_wb64(pb, mov->time);
3344 avio_wb32(pb, mov->time); /* creation time */
3345 avio_wb32(pb, mov->time); /* modification time */
3347 avio_wb32(pb, MOV_TIMESCALE);
3348 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
3350 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
3351 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
3352 avio_wb16(pb, 0); /* reserved */
3353 avio_wb32(pb, 0); /* reserved */
3354 avio_wb32(pb, 0); /* reserved */
3356 /* Matrix structure */
3357 write_matrix(pb, 1, 0, 0, 1, 0, 0);
3359 avio_wb32(pb, 0); /* reserved (preview time) */
3360 avio_wb32(pb, 0); /* reserved (preview duration) */
3361 avio_wb32(pb, 0); /* reserved (poster time) */
3362 avio_wb32(pb, 0); /* reserved (selection time) */
3363 avio_wb32(pb, 0); /* reserved (selection duration) */
3364 avio_wb32(pb, 0); /* reserved (current time) */
3365 avio_wb32(pb, max_track_id + 1); /* Next track id */
3369 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3372 avio_wb32(pb, 33); /* size */
3373 ffio_wfourcc(pb, "hdlr");
3376 ffio_wfourcc(pb, "mdir");
3377 ffio_wfourcc(pb, "appl");
3384 /* helper function to write a data tag with the specified string as data */
3385 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
3388 int size = 16 + strlen(data);
3389 avio_wb32(pb, size); /* size */
3390 ffio_wfourcc(pb, "data");
3393 avio_write(pb, data, strlen(data));
3397 lang = ff_mov_iso639_to_lang("und", 1);
3398 avio_wb16(pb, strlen(data)); /* string length */
3399 avio_wb16(pb, lang);
3400 avio_write(pb, data, strlen(data));
3401 return strlen(data) + 4;
3405 static int mov_write_string_tag(AVIOContext *pb, const char *name,
3406 const char *value, int lang, int long_style)
3409 if (value && value[0]) {
3410 int64_t pos = avio_tell(pb);
3411 avio_wb32(pb, 0); /* size */
3412 ffio_wfourcc(pb, name);
3413 mov_write_string_data_tag(pb, value, lang, long_style);
3414 size = update_size(pb, pos);
3419 static AVDictionaryEntry *get_metadata_lang(AVFormatContext *s,
3420 const char *tag, int *lang)
3423 AVDictionaryEntry *t, *t2 = NULL;
3428 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3431 len = strlen(t->key);
3432 snprintf(tag2, sizeof(tag2), "%s-", tag);
3433 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
3434 len2 = strlen(t2->key);
3435 if (len2 == len + 4 && !strcmp(t->value, t2->value)
3436 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
3444 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
3445 const char *name, const char *tag,
3449 AVDictionaryEntry *t = get_metadata_lang(s, tag, &lang);
3452 return mov_write_string_tag(pb, name, t->value, lang, long_style);
3455 /* iTunes bpm number */
3456 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
3458 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
3459 int size = 0, tmpo = t ? atoi(t->value) : 0;
3462 avio_wb32(pb, size);
3463 ffio_wfourcc(pb, "tmpo");
3464 avio_wb32(pb, size-8); /* size */
3465 ffio_wfourcc(pb, "data");
3466 avio_wb32(pb, 0x15); //type specifier
3468 avio_wb16(pb, tmpo); // data
3473 /* 3GPP TS 26.244 */
3474 static int mov_write_loci_tag(AVFormatContext *s, AVIOContext *pb)
3477 int64_t pos = avio_tell(pb);
3478 double latitude, longitude, altitude;
3479 int32_t latitude_fix, longitude_fix, altitude_fix;
3480 AVDictionaryEntry *t = get_metadata_lang(s, "location", &lang);
3481 const char *ptr, *place = "";
3483 static const char *astronomical_body = "earth";
3488 longitude = strtod(ptr, &end);
3490 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3494 latitude = strtod(ptr, &end);
3496 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3500 altitude = strtod(ptr, &end);
3501 /* If no altitude was present, the default 0 should be fine */
3505 latitude_fix = (int32_t) ((1 << 16) * latitude);
3506 longitude_fix = (int32_t) ((1 << 16) * longitude);
3507 altitude_fix = (int32_t) ((1 << 16) * altitude);
3509 avio_wb32(pb, 0); /* size */
3510 ffio_wfourcc(pb, "loci"); /* type */
3511 avio_wb32(pb, 0); /* version + flags */
3512 avio_wb16(pb, lang);
3513 avio_write(pb, place, strlen(place) + 1);
3514 avio_w8(pb, 0); /* role of place (0 == shooting location, 1 == real location, 2 == fictional location) */
3515 avio_wb32(pb, latitude_fix);
3516 avio_wb32(pb, longitude_fix);
3517 avio_wb32(pb, altitude_fix);
3518 avio_write(pb, astronomical_body, strlen(astronomical_body) + 1);
3519 avio_w8(pb, 0); /* additional notes, null terminated string */
3521 return update_size(pb, pos);
3524 /* iTunes track or disc number */
3525 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
3526 AVFormatContext *s, int disc)
3528 AVDictionaryEntry *t = av_dict_get(s->metadata,
3529 disc ? "disc" : "track",
3531 int size = 0, track = t ? atoi(t->value) : 0;
3534 char *slash = strchr(t->value, '/');
3536 tracks = atoi(slash + 1);
3537 avio_wb32(pb, 32); /* size */
3538 ffio_wfourcc(pb, disc ? "disk" : "trkn");
3539 avio_wb32(pb, 24); /* size */
3540 ffio_wfourcc(pb, "data");
3541 avio_wb32(pb, 0); // 8 bytes empty
3543 avio_wb16(pb, 0); // empty
3544 avio_wb16(pb, track); // track / disc number
3545 avio_wb16(pb, tracks); // total track / disc number
3546 avio_wb16(pb, 0); // empty
3552 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
3553 const char *name, const char *tag,
3556 AVDictionaryEntry *t = NULL;
3558 int size = 24 + len;
3560 if (len != 1 && len != 4)
3563 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3565 num = atoi(t->value);
3567 avio_wb32(pb, size);
3568 ffio_wfourcc(pb, name);
3569 avio_wb32(pb, size - 8);
3570 ffio_wfourcc(pb, "data");
3571 avio_wb32(pb, 0x15);
3573 if (len==4) avio_wb32(pb, num);
3574 else avio_w8 (pb, num);
3579 static int mov_write_covr(AVIOContext *pb, AVFormatContext *s)
3581 MOVMuxContext *mov = s->priv_data;
3585 for (i = 0; i < s->nb_streams; i++) {
3586 MOVTrack *trk = &mov->tracks[i];
3588 if (!is_cover_image(trk->st) || trk->cover_image.size <= 0)
3592 pos = avio_tell(pb);
3594 ffio_wfourcc(pb, "covr");
3596 avio_wb32(pb, 16 + trk->cover_image.size);
3597 ffio_wfourcc(pb, "data");
3598 avio_wb32(pb, trk->tag);
3600 avio_write(pb, trk->cover_image.data, trk->cover_image.size);
3603 return pos ? update_size(pb, pos) : 0;
3606 /* iTunes meta data list */
3607 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3610 int64_t pos = avio_tell(pb);
3611 avio_wb32(pb, 0); /* size */
3612 ffio_wfourcc(pb, "ilst");
3613 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
3614 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
3615 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
3616 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
3617 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
3618 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
3619 if (!mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1)) {
3620 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3621 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
3623 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
3624 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
3625 mov_write_string_metadata(s, pb, "cprt", "copyright", 1);
3626 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
3627 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
3628 mov_write_string_metadata(s, pb, "desc", "description",1);
3629 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
3630 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
3631 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
3632 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
3633 mov_write_string_metadata(s, pb, "keyw", "keywords" , 1);
3634 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
3635 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
3636 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
3637 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
3638 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
3639 mov_write_int8_metadata (s, pb, "cpil", "compilation", 1);
3640 mov_write_covr(pb, s);
3641 mov_write_trkn_tag(pb, mov, s, 0); // track number
3642 mov_write_trkn_tag(pb, mov, s, 1); // disc number
3643 mov_write_tmpo_tag(pb, s);
3644 return update_size(pb, pos);
3647 static int mov_write_mdta_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3650 avio_wb32(pb, 33); /* size */
3651 ffio_wfourcc(pb, "hdlr");
3654 ffio_wfourcc(pb, "mdta");
3662 static int mov_write_mdta_keys_tag(AVIOContext *pb, MOVMuxContext *mov,
3665 AVDictionaryEntry *t = NULL;
3666 int64_t pos = avio_tell(pb);
3667 int64_t curpos, entry_pos;
3670 avio_wb32(pb, 0); /* size */
3671 ffio_wfourcc(pb, "keys");
3673 entry_pos = avio_tell(pb);
3674 avio_wb32(pb, 0); /* entry count */
3676 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3677 avio_wb32(pb, strlen(t->key) + 8);
3678 ffio_wfourcc(pb, "mdta");
3679 avio_write(pb, t->key, strlen(t->key));
3682 curpos = avio_tell(pb);
3683 avio_seek(pb, entry_pos, SEEK_SET);
3684 avio_wb32(pb, count); // rewrite entry count
3685 avio_seek(pb, curpos, SEEK_SET);
3687 return update_size(pb, pos);
3690 static int mov_write_mdta_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3693 AVDictionaryEntry *t = NULL;
3694 int64_t pos = avio_tell(pb);
3695 int count = 1; /* keys are 1-index based */
3697 avio_wb32(pb, 0); /* size */
3698 ffio_wfourcc(pb, "ilst");
3700 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3701 int64_t entry_pos = avio_tell(pb);
3702 avio_wb32(pb, 0); /* size */
3703 avio_wb32(pb, count); /* key */
3704 mov_write_string_data_tag(pb, t->value, 0, 1);
3705 update_size(pb, entry_pos);
3708 return update_size(pb, pos);
3711 /* meta data tags */
3712 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
3716 int64_t pos = avio_tell(pb);
3717 avio_wb32(pb, 0); /* size */
3718 ffio_wfourcc(pb, "meta");
3720 if (mov->flags & FF_MOV_FLAG_USE_MDTA) {
3721 mov_write_mdta_hdlr_tag(pb, mov, s);
3722 mov_write_mdta_keys_tag(pb, mov, s);
3723 mov_write_mdta_ilst_tag(pb, mov, s);
3726 /* iTunes metadata tag */
3727 mov_write_itunes_hdlr_tag(pb, mov, s);
3728 mov_write_ilst_tag(pb, mov, s);
3730 size = update_size(pb, pos);
3734 static int mov_write_raw_metadata_tag(AVFormatContext *s, AVIOContext *pb,
3735 const char *name, const char *key)
3738 AVDictionaryEntry *t;
3740 if (!(t = av_dict_get(s->metadata, key, NULL, 0)))
3743 len = strlen(t->value);
3746 avio_wb32(pb, size);
3747 ffio_wfourcc(pb, name);
3748 avio_write(pb, t->value, len);
3754 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
3758 GET_UTF8(val, *b++, return -1;)
3761 avio_wb16(pb, 0x00);
3765 static uint16_t language_code(const char *str)
3767 return (((str[0] - 0x60) & 0x1F) << 10) +
3768 (((str[1] - 0x60) & 0x1F) << 5) +
3769 (( str[2] - 0x60) & 0x1F);
3772 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
3773 const char *tag, const char *str)
3775 int64_t pos = avio_tell(pb);
3776 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
3777 if (!t || !utf8len(t->value))
3779 avio_wb32(pb, 0); /* size */
3780 ffio_wfourcc(pb, tag); /* type */
3781 avio_wb32(pb, 0); /* version + flags */
3782 if (!strcmp(tag, "yrrc"))
3783 avio_wb16(pb, atoi(t->value));
3785 avio_wb16(pb, language_code("eng")); /* language */
3786 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
3787 if (!strcmp(tag, "albm") &&
3788 (t = av_dict_get(s->metadata, "track", NULL, 0)))
3789 avio_w8(pb, atoi(t->value));
3791 return update_size(pb, pos);
3794 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
3796 int64_t pos = avio_tell(pb);
3797 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
3799 avio_wb32(pb, 0); // size
3800 ffio_wfourcc(pb, "chpl");
3801 avio_wb32(pb, 0x01000000); // version + flags
3802 avio_wb32(pb, 0); // unknown
3803 avio_w8(pb, nb_chapters);
3805 for (i = 0; i < nb_chapters; i++) {
3806 AVChapter *c = s->chapters[i];
3807 AVDictionaryEntry *t;
3808 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
3810 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3811 int len = FFMIN(strlen(t->value), 255);
3813 avio_write(pb, t->value, len);
3817 return update_size(pb, pos);
3820 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3823 AVIOContext *pb_buf;
3827 ret = avio_open_dyn_buf(&pb_buf);
3831 if (mov->mode & MODE_3GP) {
3832 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
3833 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
3834 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
3835 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
3836 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
3837 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
3838 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
3839 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
3840 mov_write_loci_tag(s, pb_buf);
3841 } 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
3842 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
3843 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
3844 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
3845 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
3846 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
3847 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
3848 // currently ignored by mov.c
3849 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
3850 // add support for libquicktime, this atom is also actually read by mov.c
3851 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
3852 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
3853 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
3854 mov_write_string_metadata(s, pb_buf, "\251mak", "make", 0);
3855 mov_write_string_metadata(s, pb_buf, "\251mod", "model", 0);
3856 mov_write_string_metadata(s, pb_buf, "\251xyz", "location", 0);
3857 mov_write_string_metadata(s, pb_buf, "\251key", "keywords", 0);
3858 mov_write_raw_metadata_tag(s, pb_buf, "XMP_", "xmp");
3860 /* iTunes meta data */
3861 mov_write_meta_tag(pb_buf, mov, s);
3862 mov_write_loci_tag(s, pb_buf);
3865 if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
3866 mov_write_chpl_tag(pb_buf, s);
3868 if ((size = avio_get_dyn_buf(pb_buf, &buf)) > 0) {
3869 avio_wb32(pb, size + 8);
3870 ffio_wfourcc(pb, "udta");
3871 avio_write(pb, buf, size);
3873 ffio_free_dyn_buf(&pb_buf);
3878 static void mov_write_psp_udta_tag(AVIOContext *pb,
3879 const char *str, const char *lang, int type)
3881 int len = utf8len(str) + 1;
3884 avio_wb16(pb, len * 2 + 10); /* size */
3885 avio_wb32(pb, type); /* type */
3886 avio_wb16(pb, language_code(lang)); /* language */
3887 avio_wb16(pb, 0x01); /* ? */
3888 ascii_to_wc(pb, str);
3891 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
3893 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
3897 pos = avio_tell(pb);
3898 avio_wb32(pb, 0); /* size placeholder*/
3899 ffio_wfourcc(pb, "uuid");
3900 ffio_wfourcc(pb, "USMT");
3901 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
3902 avio_wb32(pb, 0xbb88695c);
3903 avio_wb32(pb, 0xfac9c740);
3905 pos2 = avio_tell(pb);
3906 avio_wb32(pb, 0); /* size placeholder*/
3907 ffio_wfourcc(pb, "MTDT");
3911 avio_wb16(pb, 0x0C); /* size */
3912 avio_wb32(pb, 0x0B); /* type */
3913 avio_wb16(pb, language_code("und")); /* language */
3914 avio_wb16(pb, 0x0); /* ? */
3915 avio_wb16(pb, 0x021C); /* data */
3917 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3918 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
3919 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
3920 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
3922 update_size(pb, pos2);
3923 return update_size(pb, pos);
3929 static void build_chunks(MOVTrack *trk)
3932 MOVIentry *chunk = &trk->cluster[0];
3933 uint64_t chunkSize = chunk->size;
3934 chunk->chunkNum = 1;
3935 if (trk->chunkCount)
3937 trk->chunkCount = 1;
3938 for (i = 1; i<trk->entry; i++){
3939 if (chunk->pos + chunkSize == trk->cluster[i].pos &&
3940 chunkSize + trk->cluster[i].size < (1<<20)){
3941 chunkSize += trk->cluster[i].size;
3942 chunk->samples_in_chunk += trk->cluster[i].entries;
3944 trk->cluster[i].chunkNum = chunk->chunkNum+1;
3945 chunk=&trk->cluster[i];
3946 chunkSize = chunk->size;
3953 * Assign track ids. If option "use_stream_ids_as_track_ids" is set,
3954 * the stream ids are used as track ids.
3956 * This assumes mov->tracks and s->streams are in the same order and
3957 * there are no gaps in either of them (so mov->tracks[n] refers to
3960 * As an exception, there can be more entries in
3961 * s->streams than in mov->tracks, in which case new track ids are
3962 * generated (starting after the largest found stream id).
3964 static int mov_setup_track_ids(MOVMuxContext *mov, AVFormatContext *s)
3968 if (mov->track_ids_ok)
3971 if (mov->use_stream_ids_as_track_ids) {
3972 int next_generated_track_id = 0;
3973 for (i = 0; i < s->nb_streams; i++) {
3974 if (s->streams[i]->id > next_generated_track_id)
3975 next_generated_track_id = s->streams[i]->id;
3978 for (i = 0; i < mov->nb_streams; i++) {
3979 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3982 mov->tracks[i].track_id = i >= s->nb_streams ? ++next_generated_track_id : s->streams[i]->id;
3985 for (i = 0; i < mov->nb_streams; i++) {
3986 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3989 mov->tracks[i].track_id = i + 1;
3993 mov->track_ids_ok = 1;
3998 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
4002 int64_t pos = avio_tell(pb);
4003 avio_wb32(pb, 0); /* size placeholder*/
4004 ffio_wfourcc(pb, "moov");
4006 mov_setup_track_ids(mov, s);
4008 for (i = 0; i < mov->nb_streams; i++) {
4009 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
4012 mov->tracks[i].time = mov->time;
4014 if (mov->tracks[i].entry)
4015 build_chunks(&mov->tracks[i]);
4018 if (mov->chapter_track)
4019 for (i = 0; i < s->nb_streams; i++) {
4020 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
4021 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
4023 for (i = 0; i < mov->nb_streams; i++) {
4024 MOVTrack *track = &mov->tracks[i];
4025 if (track->tag == MKTAG('r','t','p',' ')) {
4026 track->tref_tag = MKTAG('h','i','n','t');
4027 track->tref_id = mov->tracks[track->src_track].track_id;
4028 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
4029 int * fallback, size;
4030 fallback = (int*)av_stream_get_side_data(track->st,
4031 AV_PKT_DATA_FALLBACK_TRACK,
4033 if (fallback != NULL && size == sizeof(int)) {
4034 if (*fallback >= 0 && *fallback < mov->nb_streams) {
4035 track->tref_tag = MKTAG('f','a','l','l');
4036 track->tref_id = mov->tracks[*fallback].track_id;
4041 for (i = 0; i < mov->nb_streams; i++) {
4042 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
4043 int src_trk = mov->tracks[i].src_track;
4044 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
4045 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
4046 //src_trk may have a different timescale than the tmcd track
4047 mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration,
4048 mov->tracks[i].timescale,
4049 mov->tracks[src_trk].timescale);
4053 mov_write_mvhd_tag(pb, mov);
4054 if (mov->mode != MODE_MOV && !mov->iods_skip)
4055 mov_write_iods_tag(pb, mov);
4056 for (i = 0; i < mov->nb_streams; i++) {
4057 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
4058 int ret = mov_write_trak_tag(s, pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
4063 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
4064 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
4066 if (mov->mode == MODE_PSP)
4067 mov_write_uuidusmt_tag(pb, s);
4069 mov_write_udta_tag(pb, mov, s);
4071 return update_size(pb, pos);
4074 static void param_write_int(AVIOContext *pb, const char *name, int value)
4076 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
4079 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
4081 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
4084 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
4087 len = FFMIN(sizeof(buf) / 2 - 1, len);
4088 ff_data_to_hex(buf, value, len, 0);
4089 buf[2 * len] = '\0';
4090 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
4093 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
4095 int64_t pos = avio_tell(pb);
4097 int64_t manifest_bit_rate = 0;
4098 AVCPBProperties *props = NULL;
4100 static const uint8_t uuid[] = {
4101 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
4102 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
4106 ffio_wfourcc(pb, "uuid");
4107 avio_write(pb, uuid, sizeof(uuid));
4110 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
4111 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
4112 avio_printf(pb, "<head>\n");
4113 if (!(mov->fc->flags & AVFMT_FLAG_BITEXACT))
4114 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
4116 avio_printf(pb, "</head>\n");
4117 avio_printf(pb, "<body>\n");
4118 avio_printf(pb, "<switch>\n");
4120 mov_setup_track_ids(mov, s);
4122 for (i = 0; i < mov->nb_streams; i++) {
4123 MOVTrack *track = &mov->tracks[i];
4125 int track_id = track->track_id;
4126 char track_name_buf[32] = { 0 };
4128 AVStream *st = track->st;
4129 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
4131 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO && !is_cover_image(st)) {
4133 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
4139 props = (AVCPBProperties*)av_stream_get_side_data(track->st, AV_PKT_DATA_CPB_PROPERTIES, NULL);
4141 if (track->par->bit_rate) {
4142 manifest_bit_rate = track->par->bit_rate;
4144 manifest_bit_rate = props->max_bitrate;
4147 avio_printf(pb, "<%s systemBitrate=\"%"PRId64"\">\n", type,
4149 param_write_int(pb, "systemBitrate", manifest_bit_rate);
4150 param_write_int(pb, "trackID", track_id);
4151 param_write_string(pb, "systemLanguage", lang ? lang->value : "und");
4153 /* Build track name piece by piece: */
4155 av_strlcat(track_name_buf, type, sizeof(track_name_buf));
4156 /* 2. track language, if available */
4158 av_strlcatf(track_name_buf, sizeof(track_name_buf),
4159 "_%s", lang->value);
4160 /* 3. special type suffix */
4161 /* "_cc" = closed captions, "_ad" = audio_description */
4162 if (st->disposition & AV_DISPOSITION_HEARING_IMPAIRED)
4163 av_strlcat(track_name_buf, "_cc", sizeof(track_name_buf));
4164 else if (st->disposition & AV_DISPOSITION_VISUAL_IMPAIRED)
4165 av_strlcat(track_name_buf, "_ad", sizeof(track_name_buf));
4167 param_write_string(pb, "trackName", track_name_buf);
4169 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
4170 if (track->par->codec_id == AV_CODEC_ID_H264) {
4172 int size = track->par->extradata_size;
4173 if (!ff_avc_write_annexb_extradata(track->par->extradata, &ptr,
4175 param_write_hex(pb, "CodecPrivateData",
4176 ptr ? ptr : track->par->extradata,
4180 param_write_string(pb, "FourCC", "H264");
4181 } else if (track->par->codec_id == AV_CODEC_ID_VC1) {
4182 param_write_string(pb, "FourCC", "WVC1");
4183 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
4184 track->par->extradata_size);
4186 param_write_int(pb, "MaxWidth", track->par->width);
4187 param_write_int(pb, "MaxHeight", track->par->height);
4188 param_write_int(pb, "DisplayWidth", track->par->width);
4189 param_write_int(pb, "DisplayHeight", track->par->height);
4191 if (track->par->codec_id == AV_CODEC_ID_AAC) {
4192 switch (track->par->profile)
4194 case FF_PROFILE_AAC_HE_V2:
4195 param_write_string(pb, "FourCC", "AACP");
4197 case FF_PROFILE_AAC_HE:
4198 param_write_string(pb, "FourCC", "AACH");
4201 param_write_string(pb, "FourCC", "AACL");
4203 } else if (track->par->codec_id == AV_CODEC_ID_WMAPRO) {
4204 param_write_string(pb, "FourCC", "WMAP");
4206 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
4207 track->par->extradata_size);
4208 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
4209 track->par->codec_id));
4210 param_write_int(pb, "Channels", track->par->channels);
4211 param_write_int(pb, "SamplingRate", track->par->sample_rate);
4212 param_write_int(pb, "BitsPerSample", 16);
4213 param_write_int(pb, "PacketSize", track->par->block_align ?
4214 track->par->block_align : 4);
4216 avio_printf(pb, "</%s>\n", type);
4218 avio_printf(pb, "</switch>\n");
4219 avio_printf(pb, "</body>\n");
4220 avio_printf(pb, "</smil>\n");
4222 return update_size(pb, pos);
4225 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
4228 ffio_wfourcc(pb, "mfhd");
4230 avio_wb32(pb, mov->fragments);
4234 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
4236 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
4237 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
4240 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
4241 MOVTrack *track, int64_t moof_offset)
4243 int64_t pos = avio_tell(pb);
4244 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
4245 MOV_TFHD_BASE_DATA_OFFSET;
4246 if (!track->entry) {
4247 flags |= MOV_TFHD_DURATION_IS_EMPTY;
4249 flags |= MOV_TFHD_DEFAULT_FLAGS;
4251 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
4252 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
4253 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) {
4254 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
4255 flags |= MOV_TFHD_DEFAULT_BASE_IS_MOOF;
4257 /* CMAF requires all values to be explicit in tfhd atoms */
4258 if (mov->flags & FF_MOV_FLAG_CMAF)
4259 flags |= MOV_TFHD_STSD_ID;
4261 /* Don't set a default sample size, the silverlight player refuses
4262 * to play files with that set. Don't set a default sample duration,
4263 * WMP freaks out if it is set. Don't set a base data offset, PIFF
4264 * file format says it MUST NOT be set. */
4265 if (track->mode == MODE_ISM)
4266 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
4267 MOV_TFHD_BASE_DATA_OFFSET | MOV_TFHD_STSD_ID);
4269 avio_wb32(pb, 0); /* size placeholder */
4270 ffio_wfourcc(pb, "tfhd");
4271 avio_w8(pb, 0); /* version */
4272 avio_wb24(pb, flags);
4274 avio_wb32(pb, track->track_id); /* track-id */
4275 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
4276 avio_wb64(pb, moof_offset);
4277 if (flags & MOV_TFHD_STSD_ID) {
4280 if (flags & MOV_TFHD_DEFAULT_DURATION) {
4281 track->default_duration = get_cluster_duration(track, 0);
4282 avio_wb32(pb, track->default_duration);
4284 if (flags & MOV_TFHD_DEFAULT_SIZE) {
4285 track->default_size = track->entry ? track->cluster[0].size : 1;
4286 avio_wb32(pb, track->default_size);
4288 track->default_size = -1;
4290 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
4291 /* Set the default flags based on the second sample, if available.
4292 * If the first sample is different, that can be signaled via a separate field. */
4293 if (track->entry > 1)
4294 track->default_sample_flags = get_sample_flags(track, &track->cluster[1]);
4296 track->default_sample_flags =
4297 track->par->codec_type == AVMEDIA_TYPE_VIDEO ?
4298 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
4299 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
4300 avio_wb32(pb, track->default_sample_flags);
4303 return update_size(pb, pos);
4306 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
4307 MOVTrack *track, int moof_size,
4310 int64_t pos = avio_tell(pb);
4311 uint32_t flags = MOV_TRUN_DATA_OFFSET;
4314 for (i = first; i < end; i++) {
4315 if (get_cluster_duration(track, i) != track->default_duration)
4316 flags |= MOV_TRUN_SAMPLE_DURATION;
4317 if (track->cluster[i].size != track->default_size)
4318 flags |= MOV_TRUN_SAMPLE_SIZE;
4319 if (i > first && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
4320 flags |= MOV_TRUN_SAMPLE_FLAGS;
4322 if (!(flags & MOV_TRUN_SAMPLE_FLAGS) && track->entry > 0 &&
4323 get_sample_flags(track, &track->cluster[0]) != track->default_sample_flags)
4324 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
4325 if (track->flags & MOV_TRACK_CTTS)
4326 flags |= MOV_TRUN_SAMPLE_CTS;
4328 avio_wb32(pb, 0); /* size placeholder */
4329 ffio_wfourcc(pb, "trun");
4330 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4331 avio_w8(pb, 1); /* version */
4333 avio_w8(pb, 0); /* version */
4334 avio_wb24(pb, flags);
4336 avio_wb32(pb, end - first); /* sample count */
4337 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
4338 !(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) &&
4340 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
4342 avio_wb32(pb, moof_size + 8 + track->data_offset +
4343 track->cluster[first].pos); /* data offset */
4344 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
4345 avio_wb32(pb, get_sample_flags(track, &track->cluster[first]));
4347 for (i = first; i < end; i++) {
4348 if (flags & MOV_TRUN_SAMPLE_DURATION)
4349 avio_wb32(pb, get_cluster_duration(track, i));
4350 if (flags & MOV_TRUN_SAMPLE_SIZE)
4351 avio_wb32(pb, track->cluster[i].size);
4352 if (flags & MOV_TRUN_SAMPLE_FLAGS)
4353 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
4354 if (flags & MOV_TRUN_SAMPLE_CTS)
4355 avio_wb32(pb, track->cluster[i].cts);
4358 mov->first_trun = 0;
4359 return update_size(pb, pos);
4362 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
4364 int64_t pos = avio_tell(pb);
4365 static const uint8_t uuid[] = {
4366 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
4367 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
4370 avio_wb32(pb, 0); /* size placeholder */
4371 ffio_wfourcc(pb, "uuid");
4372 avio_write(pb, uuid, sizeof(uuid));
4375 avio_wb64(pb, track->start_dts + track->frag_start +
4376 track->cluster[0].cts);
4377 avio_wb64(pb, track->end_pts -
4378 (track->cluster[0].dts + track->cluster[0].cts));
4380 return update_size(pb, pos);
4383 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
4384 MOVTrack *track, int entry)
4386 int n = track->nb_frag_info - 1 - entry, i;
4387 int size = 8 + 16 + 4 + 1 + 16*n;
4388 static const uint8_t uuid[] = {
4389 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
4390 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
4396 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
4397 avio_wb32(pb, size);
4398 ffio_wfourcc(pb, "uuid");
4399 avio_write(pb, uuid, sizeof(uuid));
4403 for (i = 0; i < n; i++) {
4404 int index = entry + 1 + i;
4405 avio_wb64(pb, track->frag_info[index].time);
4406 avio_wb64(pb, track->frag_info[index].duration);
4408 if (n < mov->ism_lookahead) {
4409 int free_size = 16 * (mov->ism_lookahead - n);
4410 avio_wb32(pb, free_size);
4411 ffio_wfourcc(pb, "free");
4412 ffio_fill(pb, 0, free_size - 8);
4418 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
4421 int64_t pos = avio_tell(pb);
4423 for (i = 0; i < mov->ism_lookahead; i++) {
4424 /* Update the tfrf tag for the last ism_lookahead fragments,
4425 * nb_frag_info - 1 is the next fragment to be written. */
4426 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
4428 avio_seek(pb, pos, SEEK_SET);
4432 static int mov_add_tfra_entries(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4436 for (i = 0; i < mov->nb_streams; i++) {
4437 MOVTrack *track = &mov->tracks[i];
4438 MOVFragmentInfo *info;
4439 if ((tracks >= 0 && i != tracks) || !track->entry)
4441 track->nb_frag_info++;
4442 if (track->nb_frag_info >= track->frag_info_capacity) {
4443 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
4444 if (av_reallocp_array(&track->frag_info,
4446 sizeof(*track->frag_info)))
4447 return AVERROR(ENOMEM);
4448 track->frag_info_capacity = new_capacity;
4450 info = &track->frag_info[track->nb_frag_info - 1];
4451 info->offset = avio_tell(pb);
4453 // Try to recreate the original pts for the first packet
4454 // from the fields we have stored
4455 info->time = track->start_dts + track->frag_start +
4456 track->cluster[0].cts;
4457 info->duration = track->end_pts -
4458 (track->cluster[0].dts + track->cluster[0].cts);
4459 // If the pts is less than zero, we will have trimmed
4460 // away parts of the media track using an edit list,
4461 // and the corresponding start presentation time is zero.
4462 if (info->time < 0) {
4463 info->duration += info->time;
4466 info->tfrf_offset = 0;
4467 mov_write_tfrf_tags(pb, mov, track);
4472 static void mov_prune_frag_info(MOVMuxContext *mov, int tracks, int max)
4475 for (i = 0; i < mov->nb_streams; i++) {
4476 MOVTrack *track = &mov->tracks[i];
4477 if ((tracks >= 0 && i != tracks) || !track->entry)
4479 if (track->nb_frag_info > max) {
4480 memmove(track->frag_info, track->frag_info + (track->nb_frag_info - max), max * sizeof(*track->frag_info));
4481 track->nb_frag_info = max;
4486 static int mov_write_tfdt_tag(AVIOContext *pb, MOVTrack *track)
4488 int64_t pos = avio_tell(pb);
4490 avio_wb32(pb, 0); /* size */
4491 ffio_wfourcc(pb, "tfdt");
4492 avio_w8(pb, 1); /* version */
4494 avio_wb64(pb, track->frag_start);
4495 return update_size(pb, pos);
4498 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
4499 MOVTrack *track, int64_t moof_offset,
4502 int64_t pos = avio_tell(pb);
4504 avio_wb32(pb, 0); /* size placeholder */
4505 ffio_wfourcc(pb, "traf");
4507 mov_write_tfhd_tag(pb, mov, track, moof_offset);
4508 if (mov->mode != MODE_ISM)
4509 mov_write_tfdt_tag(pb, track);
4510 for (i = 1; i < track->entry; i++) {
4511 if (track->cluster[i].pos != track->cluster[i - 1].pos + track->cluster[i - 1].size) {
4512 mov_write_trun_tag(pb, mov, track, moof_size, start, i);
4516 mov_write_trun_tag(pb, mov, track, moof_size, start, track->entry);
4517 if (mov->mode == MODE_ISM) {
4518 mov_write_tfxd_tag(pb, track);
4520 if (mov->ism_lookahead) {
4521 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
4523 if (track->nb_frag_info > 0) {
4524 MOVFragmentInfo *info = &track->frag_info[track->nb_frag_info - 1];
4525 if (!info->tfrf_offset)
4526 info->tfrf_offset = avio_tell(pb);
4528 avio_wb32(pb, 8 + size);
4529 ffio_wfourcc(pb, "free");
4530 for (i = 0; i < size; i++)
4535 return update_size(pb, pos);
4538 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
4539 int tracks, int moof_size)
4541 int64_t pos = avio_tell(pb);
4544 avio_wb32(pb, 0); /* size placeholder */
4545 ffio_wfourcc(pb, "moof");
4546 mov->first_trun = 1;
4548 mov_write_mfhd_tag(pb, mov);
4549 for (i = 0; i < mov->nb_streams; i++) {
4550 MOVTrack *track = &mov->tracks[i];
4551 if (tracks >= 0 && i != tracks)
4555 mov_write_traf_tag(pb, mov, track, pos, moof_size);
4558 return update_size(pb, pos);
4561 static int mov_write_sidx_tag(AVIOContext *pb,
4562 MOVTrack *track, int ref_size, int total_sidx_size)
4564 int64_t pos = avio_tell(pb), offset_pos, end_pos;
4565 int64_t presentation_time, duration, offset;
4566 unsigned starts_with_SAP;
4571 presentation_time = track->start_dts + track->frag_start +
4572 track->cluster[0].cts;
4573 duration = track->end_pts -
4574 (track->cluster[0].dts + track->cluster[0].cts);
4575 starts_with_SAP = track->cluster[0].flags & MOV_SYNC_SAMPLE;
4577 // pts<0 should be cut away using edts
4578 if (presentation_time < 0) {
4579 duration += presentation_time;
4580 presentation_time = 0;
4583 entries = track->nb_frag_info;
4586 presentation_time = track->frag_info[0].time;
4589 avio_wb32(pb, 0); /* size */
4590 ffio_wfourcc(pb, "sidx");
4591 avio_w8(pb, 1); /* version */
4593 avio_wb32(pb, track->track_id); /* reference_ID */
4594 avio_wb32(pb, track->timescale); /* timescale */
4595 avio_wb64(pb, presentation_time); /* earliest_presentation_time */
4596 offset_pos = avio_tell(pb);
4597 avio_wb64(pb, 0); /* first_offset (offset to referenced moof) */
4598 avio_wb16(pb, 0); /* reserved */
4600 avio_wb16(pb, entries); /* reference_count */
4601 for (i = 0; i < entries; i++) {
4602 if (!track->entry) {
4603 if (i > 1 && track->frag_info[i].offset != track->frag_info[i - 1].offset + track->frag_info[i - 1].size) {
4604 av_log(NULL, AV_LOG_ERROR, "Non-consecutive fragments, writing incorrect sidx\n");
4606 duration = track->frag_info[i].duration;
4607 ref_size = track->frag_info[i].size;
4608 starts_with_SAP = 1;
4610 avio_wb32(pb, (0 << 31) | (ref_size & 0x7fffffff)); /* reference_type (0 = media) | referenced_size */
4611 avio_wb32(pb, duration); /* subsegment_duration */
4612 avio_wb32(pb, (starts_with_SAP << 31) | (0 << 28) | 0); /* starts_with_SAP | SAP_type | SAP_delta_time */
4615 end_pos = avio_tell(pb);
4616 offset = pos + total_sidx_size - end_pos;
4617 avio_seek(pb, offset_pos, SEEK_SET);
4618 avio_wb64(pb, offset);
4619 avio_seek(pb, end_pos, SEEK_SET);
4620 return update_size(pb, pos);
4623 static int mov_write_sidx_tags(AVIOContext *pb, MOVMuxContext *mov,
4624 int tracks, int ref_size)
4627 AVIOContext *avio_buf;
4629 for (round = 0; round < 2; round++) {
4630 // First run one round to calculate the total size of all
4632 // This would be much simpler if we'd only write one sidx
4633 // atom, for the first track in the moof.
4635 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4640 for (i = 0; i < mov->nb_streams; i++) {
4641 MOVTrack *track = &mov->tracks[i];
4642 if (tracks >= 0 && i != tracks)
4644 // When writing a sidx for the full file, entry is 0, but
4645 // we want to include all tracks. ref_size is 0 in this case,
4646 // since we read it from frag_info instead.
4647 if (!track->entry && ref_size > 0)
4649 total_size -= mov_write_sidx_tag(avio_buf, track, ref_size,
4653 total_size = ffio_close_null_buf(avio_buf);
4658 static int mov_write_prft_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
4660 int64_t pos = avio_tell(pb), pts_us, ntp_ts;
4661 MOVTrack *first_track;
4664 /* PRFT should be associated with at most one track. So, choosing only the
4668 first_track = &(mov->tracks[0]);
4670 if (!first_track->entry) {
4671 av_log(mov->fc, AV_LOG_WARNING, "Unable to write PRFT, no entries in the track\n");
4675 if (first_track->cluster[0].pts == AV_NOPTS_VALUE) {
4676 av_log(mov->fc, AV_LOG_WARNING, "Unable to write PRFT, first PTS is invalid\n");
4680 if (mov->write_prft == MOV_PRFT_SRC_WALLCLOCK) {
4681 if (first_track->cluster[0].prft.wallclock) {
4682 /* Round the NTP time to whole milliseconds. */
4683 ntp_ts = ff_get_formatted_ntp_time((first_track->cluster[0].prft.wallclock / 1000) * 1000 +
4685 flags = first_track->cluster[0].prft.flags;
4687 ntp_ts = ff_get_formatted_ntp_time(ff_ntp_time());
4688 } else if (mov->write_prft == MOV_PRFT_SRC_PTS) {
4689 pts_us = av_rescale_q(first_track->cluster[0].pts,
4690 first_track->st->time_base, AV_TIME_BASE_Q);
4691 ntp_ts = ff_get_formatted_ntp_time(pts_us + NTP_OFFSET_US);
4693 av_log(mov->fc, AV_LOG_WARNING, "Unsupported PRFT box configuration: %d\n",
4698 avio_wb32(pb, 0); // Size place holder
4699 ffio_wfourcc(pb, "prft"); // Type
4700 avio_w8(pb, 1); // Version
4701 avio_wb24(pb, flags); // Flags
4702 avio_wb32(pb, first_track->track_id); // reference track ID
4703 avio_wb64(pb, ntp_ts); // NTP time stamp
4704 avio_wb64(pb, first_track->cluster[0].pts); //media time
4705 return update_size(pb, pos);
4708 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4711 AVIOContext *avio_buf;
4714 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4716 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
4717 moof_size = ffio_close_null_buf(avio_buf);
4719 if (mov->flags & FF_MOV_FLAG_DASH &&
4720 !(mov->flags & (FF_MOV_FLAG_GLOBAL_SIDX | FF_MOV_FLAG_SKIP_SIDX)))
4721 mov_write_sidx_tags(pb, mov, tracks, moof_size + 8 + mdat_size);
4723 if (mov->write_prft > MOV_PRFT_NONE && mov->write_prft < MOV_PRFT_NB)
4724 mov_write_prft_tag(pb, mov, tracks);
4726 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX ||
4727 !(mov->flags & FF_MOV_FLAG_SKIP_TRAILER) ||
4728 mov->ism_lookahead) {
4729 if ((ret = mov_add_tfra_entries(pb, mov, tracks, moof_size + 8 + mdat_size)) < 0)
4731 if (!(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) &&
4732 mov->flags & FF_MOV_FLAG_SKIP_TRAILER) {
4733 mov_prune_frag_info(mov, tracks, mov->ism_lookahead + 1);
4737 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
4740 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
4742 int64_t pos = avio_tell(pb);
4745 avio_wb32(pb, 0); /* size placeholder */
4746 ffio_wfourcc(pb, "tfra");
4747 avio_w8(pb, 1); /* version */
4750 avio_wb32(pb, track->track_id);
4751 avio_wb32(pb, 0); /* length of traf/trun/sample num */
4752 avio_wb32(pb, track->nb_frag_info);
4753 for (i = 0; i < track->nb_frag_info; i++) {
4754 avio_wb64(pb, track->frag_info[i].time);
4755 avio_wb64(pb, track->frag_info[i].offset + track->data_offset);
4756 avio_w8(pb, 1); /* traf number */
4757 avio_w8(pb, 1); /* trun number */
4758 avio_w8(pb, 1); /* sample number */
4761 return update_size(pb, pos);
4764 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
4766 int64_t pos = avio_tell(pb);
4769 avio_wb32(pb, 0); /* size placeholder */
4770 ffio_wfourcc(pb, "mfra");
4771 /* An empty mfra atom is enough to indicate to the publishing point that
4772 * the stream has ended. */
4773 if (mov->flags & FF_MOV_FLAG_ISML)
4774 return update_size(pb, pos);
4776 for (i = 0; i < mov->nb_streams; i++) {
4777 MOVTrack *track = &mov->tracks[i];
4778 if (track->nb_frag_info)
4779 mov_write_tfra_tag(pb, track);
4783 ffio_wfourcc(pb, "mfro");
4784 avio_wb32(pb, 0); /* version + flags */
4785 avio_wb32(pb, avio_tell(pb) + 4 - pos);
4787 return update_size(pb, pos);
4790 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
4792 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
4793 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
4795 mov->mdat_pos = avio_tell(pb);
4796 avio_wb32(pb, 0); /* size placeholder*/
4797 ffio_wfourcc(pb, "mdat");
4801 static void mov_write_ftyp_tag_internal(AVIOContext *pb, AVFormatContext *s,
4802 int has_h264, int has_video, int write_minor)
4804 MOVMuxContext *mov = s->priv_data;
4807 if (mov->major_brand && strlen(mov->major_brand) >= 4)
4808 ffio_wfourcc(pb, mov->major_brand);
4809 else if (mov->mode == MODE_3GP) {
4810 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
4811 minor = has_h264 ? 0x100 : 0x200;
4812 } else if (mov->mode & MODE_3G2) {
4813 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
4814 minor = has_h264 ? 0x20000 : 0x10000;
4815 } else if (mov->mode == MODE_PSP)
4816 ffio_wfourcc(pb, "MSNV");
4817 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_FRAGMENT &&
4818 mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4819 ffio_wfourcc(pb, "iso6"); // Required when using signed CTS offsets in trun boxes
4820 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
4821 ffio_wfourcc(pb, "iso5"); // Required when using default-base-is-moof
4822 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4823 ffio_wfourcc(pb, "iso4");
4824 else if (mov->mode == MODE_MP4)
4825 ffio_wfourcc(pb, "isom");
4826 else if (mov->mode == MODE_IPOD)
4827 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
4828 else if (mov->mode == MODE_ISM)
4829 ffio_wfourcc(pb, "isml");
4830 else if (mov->mode == MODE_F4V)
4831 ffio_wfourcc(pb, "f4v ");
4833 ffio_wfourcc(pb, "qt ");
4836 avio_wb32(pb, minor);
4839 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
4841 MOVMuxContext *mov = s->priv_data;
4842 int64_t pos = avio_tell(pb);
4843 int has_h264 = 0, has_video = 0;
4846 for (i = 0; i < s->nb_streams; i++) {
4847 AVStream *st = s->streams[i];
4848 if (is_cover_image(st))
4850 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
4852 if (st->codecpar->codec_id == AV_CODEC_ID_H264)
4856 avio_wb32(pb, 0); /* size */
4857 ffio_wfourcc(pb, "ftyp");
4859 // Write major brand
4860 mov_write_ftyp_tag_internal(pb, s, has_h264, has_video, 1);
4861 // Write the major brand as the first compatible brand as well
4862 mov_write_ftyp_tag_internal(pb, s, has_h264, has_video, 0);
4864 // Write compatible brands, ensuring that we don't write the major brand as a
4865 // compatible brand a second time.
4866 if (mov->mode == MODE_ISM) {
4867 ffio_wfourcc(pb, "piff");
4868 } else if (mov->mode != MODE_MOV) {
4869 // We add tfdt atoms when fragmenting, signal this with the iso6 compatible
4870 // brand, if not already the major brand. This is compatible with users that
4871 // don't understand tfdt.
4872 if (mov->mode == MODE_MP4) {
4873 if (mov->flags & FF_MOV_FLAG_CMAF)
4874 ffio_wfourcc(pb, "cmfc");
4875 if (mov->flags & FF_MOV_FLAG_FRAGMENT && !(mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS))
4876 ffio_wfourcc(pb, "iso6");
4878 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
4879 ffio_wfourcc(pb, "iso6");
4880 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
4881 ffio_wfourcc(pb, "iso5");
4882 else if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4883 ffio_wfourcc(pb, "iso4");
4885 // Brands prior to iso5 can't be signaled when using default-base-is-moof
4886 if (!(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)) {
4887 // write isom for mp4 only if it it's not the major brand already.
4888 if (mov->mode != MODE_MP4 || mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4889 ffio_wfourcc(pb, "isom");
4890 ffio_wfourcc(pb, "iso2");
4892 ffio_wfourcc(pb, "avc1");
4896 if (mov->mode == MODE_MP4)
4897 ffio_wfourcc(pb, "mp41");
4899 if (mov->flags & FF_MOV_FLAG_DASH && mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
4900 ffio_wfourcc(pb, "dash");
4902 return update_size(pb, pos);
4905 static int mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
4907 AVStream *video_st = s->streams[0];
4908 AVCodecParameters *video_par = s->streams[0]->codecpar;
4909 AVCodecParameters *audio_par = s->streams[1]->codecpar;
4910 int audio_rate = audio_par->sample_rate;
4911 int64_t frame_rate = video_st->avg_frame_rate.den ?
4912 (video_st->avg_frame_rate.num * 0x10000LL) / video_st->avg_frame_rate.den :
4914 int audio_kbitrate = audio_par->bit_rate / 1000;
4915 int video_kbitrate = FFMIN(video_par->bit_rate / 1000, 800 - audio_kbitrate);
4917 if (frame_rate < 0 || frame_rate > INT32_MAX) {
4918 av_log(s, AV_LOG_ERROR, "Frame rate %f outside supported range\n", frame_rate / (double)0x10000);
4919 return AVERROR(EINVAL);
4922 avio_wb32(pb, 0x94); /* size */
4923 ffio_wfourcc(pb, "uuid");
4924 ffio_wfourcc(pb, "PROF");
4926 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
4927 avio_wb32(pb, 0xbb88695c);
4928 avio_wb32(pb, 0xfac9c740);
4930 avio_wb32(pb, 0x0); /* ? */
4931 avio_wb32(pb, 0x3); /* 3 sections ? */
4933 avio_wb32(pb, 0x14); /* size */
4934 ffio_wfourcc(pb, "FPRF");
4935 avio_wb32(pb, 0x0); /* ? */
4936 avio_wb32(pb, 0x0); /* ? */
4937 avio_wb32(pb, 0x0); /* ? */
4939 avio_wb32(pb, 0x2c); /* size */
4940 ffio_wfourcc(pb, "APRF"); /* audio */
4942 avio_wb32(pb, 0x2); /* TrackID */
4943 ffio_wfourcc(pb, "mp4a");
4944 avio_wb32(pb, 0x20f);
4946 avio_wb32(pb, audio_kbitrate);
4947 avio_wb32(pb, audio_kbitrate);
4948 avio_wb32(pb, audio_rate);
4949 avio_wb32(pb, audio_par->channels);
4951 avio_wb32(pb, 0x34); /* size */
4952 ffio_wfourcc(pb, "VPRF"); /* video */
4954 avio_wb32(pb, 0x1); /* TrackID */
4955 if (video_par->codec_id == AV_CODEC_ID_H264) {
4956 ffio_wfourcc(pb, "avc1");
4957 avio_wb16(pb, 0x014D);
4958 avio_wb16(pb, 0x0015);
4960 ffio_wfourcc(pb, "mp4v");
4961 avio_wb16(pb, 0x0000);
4962 avio_wb16(pb, 0x0103);
4965 avio_wb32(pb, video_kbitrate);
4966 avio_wb32(pb, video_kbitrate);
4967 avio_wb32(pb, frame_rate);
4968 avio_wb32(pb, frame_rate);
4969 avio_wb16(pb, video_par->width);
4970 avio_wb16(pb, video_par->height);
4971 avio_wb32(pb, 0x010001); /* ? */
4976 static int mov_write_identification(AVIOContext *pb, AVFormatContext *s)
4978 MOVMuxContext *mov = s->priv_data;
4981 mov_write_ftyp_tag(pb,s);
4982 if (mov->mode == MODE_PSP) {
4983 int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
4984 for (i = 0; i < s->nb_streams; i++) {
4985 AVStream *st = s->streams[i];
4986 if (is_cover_image(st))
4988 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
4990 else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
4996 if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
4997 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
4998 return AVERROR(EINVAL);
5000 return mov_write_uuidprof_tag(pb, s);
5005 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
5008 int i, closed_gop = 0;
5010 for (i = 0; i < pkt->size - 4; i++) {
5011 c = (c << 8) + pkt->data[i];
5012 if (c == 0x1b8) { // gop
5013 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
5014 } else if (c == 0x100) { // pic
5015 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
5016 if (!temp_ref || closed_gop) // I picture is not reordered
5017 *flags = MOV_SYNC_SAMPLE;
5019 *flags = MOV_PARTIAL_SYNC_SAMPLE;
5026 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk)
5028 const uint8_t *start, *next, *end = pkt->data + pkt->size;
5029 int seq = 0, entry = 0;
5030 int key = pkt->flags & AV_PKT_FLAG_KEY;
5031 start = find_next_marker(pkt->data, end);
5032 for (next = start; next < end; start = next) {
5033 next = find_next_marker(start + 4, end);
5034 switch (AV_RB32(start)) {
5035 case VC1_CODE_SEQHDR:
5038 case VC1_CODE_ENTRYPOINT:
5041 case VC1_CODE_SLICE:
5042 trk->vc1_info.slices = 1;
5046 if (!trk->entry && trk->vc1_info.first_packet_seen)
5047 trk->vc1_info.first_frag_written = 1;
5048 if (!trk->entry && !trk->vc1_info.first_frag_written) {
5049 /* First packet in first fragment */
5050 trk->vc1_info.first_packet_seq = seq;
5051 trk->vc1_info.first_packet_entry = entry;
5052 trk->vc1_info.first_packet_seen = 1;
5053 } else if ((seq && !trk->vc1_info.packet_seq) ||
5054 (entry && !trk->vc1_info.packet_entry)) {
5056 for (i = 0; i < trk->entry; i++)
5057 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
5058 trk->has_keyframes = 0;
5060 trk->vc1_info.packet_seq = 1;
5062 trk->vc1_info.packet_entry = 1;
5063 if (!trk->vc1_info.first_frag_written) {
5064 /* First fragment */
5065 if ((!seq || trk->vc1_info.first_packet_seq) &&
5066 (!entry || trk->vc1_info.first_packet_entry)) {
5067 /* First packet had the same headers as this one, readd the
5068 * sync sample flag. */
5069 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
5070 trk->has_keyframes = 1;
5074 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
5076 else if (trk->vc1_info.packet_seq)
5078 else if (trk->vc1_info.packet_entry)
5081 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
5082 trk->has_keyframes++;
5086 static void mov_parse_truehd_frame(AVPacket *pkt, MOVTrack *trk)
5093 length = (AV_RB16(pkt->data) & 0xFFF) * 2;
5094 if (length < 8 || length > pkt->size)
5097 if (AV_RB32(pkt->data + 4) == 0xF8726FBA) {
5098 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
5099 trk->has_keyframes++;
5105 static int mov_flush_fragment_interleaving(AVFormatContext *s, MOVTrack *track)
5107 MOVMuxContext *mov = s->priv_data;
5112 if (!track->mdat_buf)
5114 if (!mov->mdat_buf) {
5115 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
5118 buf_size = avio_get_dyn_buf(track->mdat_buf, &buf);
5120 offset = avio_tell(mov->mdat_buf);
5121 avio_write(mov->mdat_buf, buf, buf_size);
5122 ffio_free_dyn_buf(&track->mdat_buf);
5124 for (i = track->entries_flushed; i < track->entry; i++)
5125 track->cluster[i].pos += offset;
5126 track->entries_flushed = track->entry;
5130 static int mov_flush_fragment(AVFormatContext *s, int force)
5132 MOVMuxContext *mov = s->priv_data;
5133 int i, first_track = -1;
5134 int64_t mdat_size = 0;
5136 int has_video = 0, starts_with_key = 0, first_video_track = 1;
5138 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
5141 // Try to fill in the duration of the last packet in each stream
5142 // from queued packets in the interleave queues. If the flushing
5143 // of fragments was triggered automatically by an AVPacket, we
5144 // already have reliable info for the end of that track, but other
5145 // tracks may need to be filled in.
5146 for (i = 0; i < s->nb_streams; i++) {
5147 MOVTrack *track = &mov->tracks[i];
5148 if (!track->end_reliable) {
5150 if (!ff_interleaved_peek(s, i, &pkt, 1)) {
5151 if (track->dts_shift != AV_NOPTS_VALUE)
5152 pkt.dts += track->dts_shift;
5153 track->track_duration = pkt.dts - track->start_dts;
5154 if (pkt.pts != AV_NOPTS_VALUE)
5155 track->end_pts = pkt.pts;
5157 track->end_pts = pkt.dts;
5162 for (i = 0; i < mov->nb_streams; i++) {
5163 MOVTrack *track = &mov->tracks[i];
5164 if (track->entry <= 1)
5166 // Sample durations are calculated as the diff of dts values,
5167 // but for the last sample in a fragment, we don't know the dts
5168 // of the first sample in the next fragment, so we have to rely
5169 // on what was set as duration in the AVPacket. Not all callers
5170 // set this though, so we might want to replace it with an
5171 // estimate if it currently is zero.
5172 if (get_cluster_duration(track, track->entry - 1) != 0)
5174 // Use the duration (i.e. dts diff) of the second last sample for
5175 // the last one. This is a wild guess (and fatal if it turns out
5176 // to be too long), but probably the best we can do - having a zero
5177 // duration is bad as well.
5178 track->track_duration += get_cluster_duration(track, track->entry - 2);
5179 track->end_pts += get_cluster_duration(track, track->entry - 2);
5180 if (!mov->missing_duration_warned) {
5181 av_log(s, AV_LOG_WARNING,
5182 "Estimating the duration of the last packet in a "
5183 "fragment, consider setting the duration field in "
5184 "AVPacket instead.\n");
5185 mov->missing_duration_warned = 1;
5189 if (!mov->moov_written) {
5190 int64_t pos = avio_tell(s->pb);
5192 int buf_size, moov_size;
5194 for (i = 0; i < mov->nb_streams; i++)
5195 if (!mov->tracks[i].entry && !is_cover_image(mov->tracks[i].st))
5197 /* Don't write the initial moov unless all tracks have data */
5198 if (i < mov->nb_streams && !force)
5201 moov_size = get_moov_size(s);
5202 for (i = 0; i < mov->nb_streams; i++)
5203 mov->tracks[i].data_offset = pos + moov_size + 8;
5205 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_HEADER);
5206 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5207 mov_write_identification(s->pb, s);
5208 if ((ret = mov_write_moov_tag(s->pb, mov, s)) < 0)
5211 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV) {
5212 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5213 mov->reserved_header_pos = avio_tell(s->pb);
5214 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5215 mov->moov_written = 1;
5219 buf_size = avio_get_dyn_buf(mov->mdat_buf, &buf);
5220 avio_wb32(s->pb, buf_size + 8);
5221 ffio_wfourcc(s->pb, "mdat");
5222 avio_write(s->pb, buf, buf_size);
5223 ffio_free_dyn_buf(&mov->mdat_buf);
5225 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5226 mov->reserved_header_pos = avio_tell(s->pb);
5228 mov->moov_written = 1;
5230 for (i = 0; i < mov->nb_streams; i++) {
5231 if (mov->tracks[i].entry)
5232 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
5233 mov->tracks[i].track_duration -
5234 mov->tracks[i].cluster[0].dts;
5235 mov->tracks[i].entry = 0;
5236 mov->tracks[i].end_reliable = 0;
5238 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5242 if (mov->frag_interleave) {
5243 for (i = 0; i < mov->nb_streams; i++) {
5244 MOVTrack *track = &mov->tracks[i];
5246 if ((ret = mov_flush_fragment_interleaving(s, track)) < 0)
5252 mdat_size = avio_tell(mov->mdat_buf);
5255 for (i = 0; i < mov->nb_streams; i++) {
5256 MOVTrack *track = &mov->tracks[i];
5257 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF || mov->frag_interleave)
5258 track->data_offset = 0;
5260 track->data_offset = mdat_size;
5261 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
5263 if (first_video_track) {
5265 starts_with_key = track->cluster[0].flags & MOV_SYNC_SAMPLE;
5266 first_video_track = 0;
5271 if (track->mdat_buf)
5272 mdat_size += avio_tell(track->mdat_buf);
5273 if (first_track < 0)
5280 avio_write_marker(s->pb,
5281 av_rescale(mov->tracks[first_track].cluster[0].dts, AV_TIME_BASE, mov->tracks[first_track].timescale),
5282 (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);
5284 for (i = 0; i < mov->nb_streams; i++) {
5285 MOVTrack *track = &mov->tracks[i];
5286 int buf_size, write_moof = 1, moof_tracks = -1;
5288 int64_t duration = 0;
5291 duration = track->start_dts + track->track_duration -
5292 track->cluster[0].dts;
5293 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
5294 if (!track->mdat_buf)
5296 mdat_size = avio_tell(track->mdat_buf);
5299 write_moof = i == first_track;
5303 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5305 mov_write_moof_tag(s->pb, mov, moof_tracks, mdat_size);
5308 avio_wb32(s->pb, mdat_size + 8);
5309 ffio_wfourcc(s->pb, "mdat");
5313 track->frag_start += duration;
5315 track->entries_flushed = 0;
5316 track->end_reliable = 0;
5317 if (!mov->frag_interleave) {
5318 if (!track->mdat_buf)
5320 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
5321 track->mdat_buf = NULL;
5325 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
5326 mov->mdat_buf = NULL;
5329 avio_write(s->pb, buf, buf_size);
5335 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5339 static int mov_auto_flush_fragment(AVFormatContext *s, int force)
5341 MOVMuxContext *mov = s->priv_data;
5342 int had_moov = mov->moov_written;
5343 int ret = mov_flush_fragment(s, force);
5346 // If using delay_moov, the first flush only wrote the moov,
5347 // not the actual moof+mdat pair, thus flush once again.
5348 if (!had_moov && mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5349 ret = mov_flush_fragment(s, force);
5353 static int check_pkt(AVFormatContext *s, AVPacket *pkt)
5355 MOVMuxContext *mov = s->priv_data;
5356 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5361 ref = trk->cluster[trk->entry - 1].dts;
5362 } else if ( trk->start_dts != AV_NOPTS_VALUE
5363 && !trk->frag_discont) {
5364 ref = trk->start_dts + trk->track_duration;
5366 ref = pkt->dts; // Skip tests for the first packet
5368 if (trk->dts_shift != AV_NOPTS_VALUE) {
5369 /* With negative CTS offsets we have set an offset to the DTS,
5370 * reverse this for the check. */
5371 ref -= trk->dts_shift;
5374 duration = pkt->dts - ref;
5375 if (pkt->dts < ref || duration >= INT_MAX) {
5376 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n",
5381 pkt->pts = AV_NOPTS_VALUE;
5384 if (pkt->duration < 0 || pkt->duration > INT_MAX) {
5385 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" is invalid\n", pkt->duration);
5386 return AVERROR(EINVAL);
5391 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
5393 MOVMuxContext *mov = s->priv_data;
5394 AVIOContext *pb = s->pb;
5395 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5396 AVCodecParameters *par = trk->par;
5397 AVProducerReferenceTime *prft;
5398 unsigned int samples_in_chunk = 0;
5399 int size = pkt->size, ret = 0, offset = 0;
5401 uint8_t *reformatted_data = NULL;
5403 ret = check_pkt(s, pkt);
5407 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
5409 if (mov->moov_written || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
5410 if (mov->frag_interleave && mov->fragments > 0) {
5411 if (trk->entry - trk->entries_flushed >= mov->frag_interleave) {
5412 if ((ret = mov_flush_fragment_interleaving(s, trk)) < 0)
5417 if (!trk->mdat_buf) {
5418 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
5423 if (!mov->mdat_buf) {
5424 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
5431 if (par->codec_id == AV_CODEC_ID_AMR_NB) {
5432 /* We must find out how many AMR blocks there are in one packet */
5433 static const uint16_t packed_size[16] =
5434 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
5437 while (len < size && samples_in_chunk < 100) {
5438 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
5441 if (samples_in_chunk > 1) {
5442 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
5445 } else if (par->codec_id == AV_CODEC_ID_ADPCM_MS ||
5446 par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
5447 samples_in_chunk = trk->par->frame_size;
5448 } else if (trk->sample_size)
5449 samples_in_chunk = size / trk->sample_size;
5451 samples_in_chunk = 1;
5453 if (samples_in_chunk < 1) {
5454 av_log(s, AV_LOG_ERROR, "fatal error, input packet contains no samples\n");
5455 return AVERROR_PATCHWELCOME;
5458 /* copy extradata if it exists */
5459 if (trk->vos_len == 0 && par->extradata_size > 0 &&
5460 !TAG_IS_AVCI(trk->tag) &&
5461 (par->codec_id != AV_CODEC_ID_DNXHD)) {
5462 trk->vos_len = par->extradata_size;
5463 trk->vos_data = av_malloc(trk->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
5464 if (!trk->vos_data) {
5465 ret = AVERROR(ENOMEM);
5468 memcpy(trk->vos_data, par->extradata, trk->vos_len);
5469 memset(trk->vos_data + trk->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
5472 if (par->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
5473 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
5474 if (!s->streams[pkt->stream_index]->nb_frames) {
5475 av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
5476 "use the audio bitstream filter 'aac_adtstoasc' to fix it "
5477 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
5480 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
5482 if (par->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1 && !TAG_IS_AVCI(trk->tag)) {
5483 /* from x264 or from bytestream H.264 */
5484 /* NAL reformatting needed */
5485 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5486 ret = ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
5490 avio_write(pb, reformatted_data, size);
5492 if (trk->cenc.aes_ctr) {
5493 size = ff_mov_cenc_avc_parse_nal_units(&trk->cenc, pb, pkt->data, size);
5499 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
5502 } else if (par->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
5503 (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
5504 /* extradata is Annex B, assume the bitstream is too and convert it */
5505 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5506 ret = ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data,
5510 avio_write(pb, reformatted_data, size);
5512 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
5514 } else if (par->codec_id == AV_CODEC_ID_AV1) {
5515 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5516 ret = ff_av1_filter_obus_buf(pkt->data, &reformatted_data,
5520 avio_write(pb, reformatted_data, size);
5522 size = ff_av1_filter_obus(pb, pkt->data, pkt->size);
5524 #if CONFIG_AC3_PARSER
5525 } else if (par->codec_id == AV_CODEC_ID_EAC3) {
5526 size = handle_eac3(mov, pkt, trk);
5531 avio_write(pb, pkt->data, size);
5534 if (trk->cenc.aes_ctr) {
5535 if (par->codec_id == AV_CODEC_ID_H264 && par->extradata_size > 4) {
5536 int nal_size_length = (par->extradata[4] & 0x3) + 1;
5537 ret = ff_mov_cenc_avc_write_nal_units(s, &trk->cenc, nal_size_length, pb, pkt->data, size);
5539 ret = ff_mov_cenc_write_packet(&trk->cenc, pb, pkt->data, size);
5546 avio_write(pb, pkt->data, size);
5550 if ((par->codec_id == AV_CODEC_ID_DNXHD ||
5551 par->codec_id == AV_CODEC_ID_TRUEHD ||
5552 par->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
5553 /* copy frame to create needed atoms */
5554 trk->vos_len = size;
5555 trk->vos_data = av_malloc(size + AV_INPUT_BUFFER_PADDING_SIZE);
5556 if (!trk->vos_data) {
5557 ret = AVERROR(ENOMEM);
5560 memcpy(trk->vos_data, pkt->data, size);
5561 memset(trk->vos_data + size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
5564 if (trk->entry >= trk->cluster_capacity) {
5565 unsigned new_capacity = trk->entry + MOV_INDEX_CLUSTER_SIZE;
5566 if (av_reallocp_array(&trk->cluster, new_capacity,
5567 sizeof(*trk->cluster))) {
5568 ret = AVERROR(ENOMEM);
5571 trk->cluster_capacity = new_capacity;
5574 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
5575 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
5576 trk->cluster[trk->entry].chunkNum = 0;
5577 trk->cluster[trk->entry].size = size;
5578 trk->cluster[trk->entry].entries = samples_in_chunk;
5579 trk->cluster[trk->entry].dts = pkt->dts;
5580 trk->cluster[trk->entry].pts = pkt->pts;
5581 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
5582 if (!trk->frag_discont) {
5583 /* First packet of a new fragment. We already wrote the duration
5584 * of the last packet of the previous fragment based on track_duration,
5585 * which might not exactly match our dts. Therefore adjust the dts
5586 * of this packet to be what the previous packets duration implies. */
5587 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
5588 /* We also may have written the pts and the corresponding duration
5589 * in sidx/tfrf/tfxd tags; make sure the sidx pts and duration match up with
5590 * the next fragment. This means the cts of the first sample must
5591 * be the same in all fragments, unless end_pts was updated by
5592 * the packet causing the fragment to be written. */
5593 if ((mov->flags & FF_MOV_FLAG_DASH &&
5594 !(mov->flags & (FF_MOV_FLAG_GLOBAL_SIDX | FF_MOV_FLAG_SKIP_SIDX))) ||
5595 mov->mode == MODE_ISM)
5596 pkt->pts = pkt->dts + trk->end_pts - trk->cluster[trk->entry].dts;
5598 /* New fragment, but discontinuous from previous fragments.
5599 * Pretend the duration sum of the earlier fragments is
5600 * pkt->dts - trk->start_dts. */
5601 trk->frag_start = pkt->dts - trk->start_dts;
5602 trk->end_pts = AV_NOPTS_VALUE;
5603 trk->frag_discont = 0;
5607 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !mov->use_editlist &&
5608 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO) {
5609 /* Not using edit lists and shifting the first track to start from zero.
5610 * If the other streams start from a later timestamp, we won't be able
5611 * to signal the difference in starting time without an edit list.
5612 * Thus move the timestamp for this first sample to 0, increasing
5613 * its duration instead. */
5614 trk->cluster[trk->entry].dts = trk->start_dts = 0;
5616 if (trk->start_dts == AV_NOPTS_VALUE) {
5617 trk->start_dts = pkt->dts;
5618 if (trk->frag_discont) {
5619 if (mov->use_editlist) {
5620 /* Pretend the whole stream started at pts=0, with earlier fragments
5621 * already written. If the stream started at pts=0, the duration sum
5622 * of earlier fragments would have been pkt->pts. */
5623 trk->frag_start = pkt->pts;
5624 trk->start_dts = pkt->dts - pkt->pts;
5626 /* Pretend the whole stream started at dts=0, with earlier fragments
5627 * already written, with a duration summing up to pkt->dts. */
5628 trk->frag_start = pkt->dts;
5631 trk->frag_discont = 0;
5632 } else if (pkt->dts && mov->moov_written)
5633 av_log(s, AV_LOG_WARNING,
5634 "Track %d starts with a nonzero dts %"PRId64", while the moov "
5635 "already has been written. Set the delay_moov flag to handle "
5637 pkt->stream_index, pkt->dts);
5639 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
5640 trk->last_sample_is_subtitle_end = 0;
5642 if (pkt->pts == AV_NOPTS_VALUE) {
5643 av_log(s, AV_LOG_WARNING, "pts has no value\n");
5644 pkt->pts = pkt->dts;
5646 if (pkt->dts != pkt->pts)
5647 trk->flags |= MOV_TRACK_CTTS;
5648 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
5649 trk->cluster[trk->entry].flags = 0;
5650 if (trk->start_cts == AV_NOPTS_VALUE)
5651 trk->start_cts = pkt->pts - pkt->dts;
5652 if (trk->end_pts == AV_NOPTS_VALUE)
5653 trk->end_pts = trk->cluster[trk->entry].dts +
5654 trk->cluster[trk->entry].cts + pkt->duration;
5656 trk->end_pts = FFMAX(trk->end_pts, trk->cluster[trk->entry].dts +
5657 trk->cluster[trk->entry].cts +
5660 if (par->codec_id == AV_CODEC_ID_VC1) {
5661 mov_parse_vc1_frame(pkt, trk);
5662 } else if (par->codec_id == AV_CODEC_ID_TRUEHD) {
5663 mov_parse_truehd_frame(pkt, trk);
5664 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
5665 if (mov->mode == MODE_MOV && par->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
5666 trk->entry > 0) { // force sync sample for the first key frame
5667 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
5668 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
5669 trk->flags |= MOV_TRACK_STPS;
5671 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
5673 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
5674 trk->has_keyframes++;
5676 if (pkt->flags & AV_PKT_FLAG_DISPOSABLE) {
5677 trk->cluster[trk->entry].flags |= MOV_DISPOSABLE_SAMPLE;
5678 trk->has_disposable++;
5681 prft = (AVProducerReferenceTime *)av_packet_get_side_data(pkt, AV_PKT_DATA_PRFT, &prft_size);
5682 if (prft && prft_size == sizeof(AVProducerReferenceTime))
5683 memcpy(&trk->cluster[trk->entry].prft, prft, prft_size);
5685 memset(&trk->cluster[trk->entry].prft, 0, sizeof(AVProducerReferenceTime));
5688 trk->sample_count += samples_in_chunk;
5689 mov->mdat_size += size;
5691 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
5692 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
5693 reformatted_data ? reformatted_data + offset
5699 if (pkt->data != reformatted_data)
5700 av_free(reformatted_data);
5704 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
5706 MOVMuxContext *mov = s->priv_data;
5707 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5708 AVCodecParameters *par = trk->par;
5709 int64_t frag_duration = 0;
5710 int size = pkt->size;
5712 int ret = check_pkt(s, pkt);
5716 if (mov->flags & FF_MOV_FLAG_FRAG_DISCONT) {
5718 for (i = 0; i < s->nb_streams; i++)
5719 mov->tracks[i].frag_discont = 1;
5720 mov->flags &= ~FF_MOV_FLAG_FRAG_DISCONT;
5723 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS) {
5724 if (trk->dts_shift == AV_NOPTS_VALUE)
5725 trk->dts_shift = pkt->pts - pkt->dts;
5726 pkt->dts += trk->dts_shift;
5729 if (trk->par->codec_id == AV_CODEC_ID_MP4ALS ||
5730 trk->par->codec_id == AV_CODEC_ID_AAC ||
5731 trk->par->codec_id == AV_CODEC_ID_AV1 ||
5732 trk->par->codec_id == AV_CODEC_ID_FLAC) {
5734 uint8_t *side = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, &side_size);
5735 if (side && side_size > 0 && (side_size != par->extradata_size || memcmp(side, par->extradata, side_size))) {
5736 void *newextra = av_mallocz(side_size + AV_INPUT_BUFFER_PADDING_SIZE);
5738 return AVERROR(ENOMEM);
5739 av_free(par->extradata);
5740 par->extradata = newextra;
5741 memcpy(par->extradata, side, side_size);
5742 par->extradata_size = side_size;
5743 if (!pkt->size) // Flush packet
5744 mov->need_rewrite_extradata = 1;
5749 if (trk->start_dts == AV_NOPTS_VALUE && trk->frag_discont) {
5750 trk->start_dts = pkt->dts;
5751 if (pkt->pts != AV_NOPTS_VALUE)
5752 trk->start_cts = pkt->pts - pkt->dts;
5757 return 0; /* Discard 0 sized packets */
5760 if (trk->entry && pkt->stream_index < s->nb_streams)
5761 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
5762 s->streams[pkt->stream_index]->time_base,
5764 if ((mov->max_fragment_duration &&
5765 frag_duration >= mov->max_fragment_duration) ||
5766 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
5767 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
5768 par->codec_type == AVMEDIA_TYPE_VIDEO &&
5769 trk->entry && pkt->flags & AV_PKT_FLAG_KEY) ||
5770 (mov->flags & FF_MOV_FLAG_FRAG_EVERY_FRAME)) {
5771 if (frag_duration >= mov->min_fragment_duration) {
5772 // Set the duration of this track to line up with the next
5773 // sample in this track. This avoids relying on AVPacket
5774 // duration, but only helps for this particular track, not
5775 // for the other ones that are flushed at the same time.
5776 trk->track_duration = pkt->dts - trk->start_dts;
5777 if (pkt->pts != AV_NOPTS_VALUE)
5778 trk->end_pts = pkt->pts;
5780 trk->end_pts = pkt->dts;
5781 trk->end_reliable = 1;
5782 mov_auto_flush_fragment(s, 0);
5786 return ff_mov_write_packet(s, pkt);
5789 static int mov_write_subtitle_end_packet(AVFormatContext *s,
5793 uint8_t data[2] = {0};
5796 av_init_packet(&end);
5797 end.size = sizeof(data);
5802 end.stream_index = stream_index;
5804 ret = mov_write_single_packet(s, &end);
5805 av_packet_unref(&end);
5810 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
5812 MOVMuxContext *mov = s->priv_data;
5816 mov_flush_fragment(s, 1);
5820 trk = &mov->tracks[pkt->stream_index];
5822 if (is_cover_image(trk->st)) {
5825 if (trk->st->nb_frames >= 1) {
5826 if (trk->st->nb_frames == 1)
5827 av_log(s, AV_LOG_WARNING, "Got more than one picture in stream %d,"
5828 " ignoring.\n", pkt->stream_index);
5832 if ((ret = av_packet_ref(&trk->cover_image, pkt)) < 0)
5840 return mov_write_single_packet(s, pkt); /* Passthrough. */
5843 * Subtitles require special handling.
5845 * 1) For full complaince, every track must have a sample at
5846 * dts == 0, which is rarely true for subtitles. So, as soon
5847 * as we see any packet with dts > 0, write an empty subtitle
5848 * at dts == 0 for any subtitle track with no samples in it.
5850 * 2) For each subtitle track, check if the current packet's
5851 * dts is past the duration of the last subtitle sample. If
5852 * so, we now need to write an end sample for that subtitle.
5854 * This must be done conditionally to allow for subtitles that
5855 * immediately replace each other, in which case an end sample
5856 * is not needed, and is, in fact, actively harmful.
5858 * 3) See mov_write_trailer for how the final end sample is
5861 for (i = 0; i < mov->nb_streams; i++) {
5862 MOVTrack *trk = &mov->tracks[i];
5865 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
5866 trk->track_duration < pkt->dts &&
5867 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
5868 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
5869 if (ret < 0) return ret;
5870 trk->last_sample_is_subtitle_end = 1;
5874 if (trk->mode == MODE_MOV && trk->par->codec_type == AVMEDIA_TYPE_VIDEO) {
5875 AVPacket *opkt = pkt;
5876 int reshuffle_ret, ret;
5877 if (trk->is_unaligned_qt_rgb) {
5878 int64_t bpc = trk->par->bits_per_coded_sample != 15 ? trk->par->bits_per_coded_sample : 16;
5879 int expected_stride = ((trk->par->width * bpc + 15) >> 4)*2;
5880 reshuffle_ret = ff_reshuffle_raw_rgb(s, &pkt, trk->par, expected_stride);
5881 if (reshuffle_ret < 0)
5882 return reshuffle_ret;
5885 if (trk->par->format == AV_PIX_FMT_PAL8 && !trk->pal_done) {
5886 ret = ff_get_packet_palette(s, opkt, reshuffle_ret, trk->palette);
5891 } else if (trk->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
5892 (trk->par->format == AV_PIX_FMT_GRAY8 ||
5893 trk->par->format == AV_PIX_FMT_MONOBLACK)) {
5894 for (i = 0; i < pkt->size; i++)
5895 pkt->data[i] = ~pkt->data[i];
5897 if (reshuffle_ret) {
5898 ret = mov_write_single_packet(s, pkt);
5901 av_packet_free(&pkt);
5906 return mov_write_single_packet(s, pkt);
5910 // QuickTime chapters involve an additional text track with the chapter names
5911 // as samples, and a tref pointing from the other tracks to the chapter one.
5912 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
5916 MOVMuxContext *mov = s->priv_data;
5917 MOVTrack *track = &mov->tracks[tracknum];
5918 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
5921 track->mode = mov->mode;
5922 track->tag = MKTAG('t','e','x','t');
5923 track->timescale = MOV_TIMESCALE;
5924 track->par = avcodec_parameters_alloc();
5926 return AVERROR(ENOMEM);
5927 track->par->codec_type = AVMEDIA_TYPE_SUBTITLE;
5929 // These properties are required to make QT recognize the chapter track
5930 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
5931 if (ff_alloc_extradata(track->par, sizeof(chapter_properties)))
5932 return AVERROR(ENOMEM);
5933 memcpy(track->par->extradata, chapter_properties, sizeof(chapter_properties));
5935 if (avio_open_dyn_buf(&pb) >= 0) {
5939 /* Stub header (usually for Quicktime chapter track) */
5941 avio_wb32(pb, 0x01); // displayFlags
5942 avio_w8(pb, 0x00); // horizontal justification
5943 avio_w8(pb, 0x00); // vertical justification
5944 avio_w8(pb, 0x00); // bgColourRed
5945 avio_w8(pb, 0x00); // bgColourGreen
5946 avio_w8(pb, 0x00); // bgColourBlue
5947 avio_w8(pb, 0x00); // bgColourAlpha
5949 avio_wb16(pb, 0x00); // defTextBoxTop
5950 avio_wb16(pb, 0x00); // defTextBoxLeft
5951 avio_wb16(pb, 0x00); // defTextBoxBottom
5952 avio_wb16(pb, 0x00); // defTextBoxRight
5954 avio_wb16(pb, 0x00); // startChar
5955 avio_wb16(pb, 0x00); // endChar
5956 avio_wb16(pb, 0x01); // fontID
5957 avio_w8(pb, 0x00); // fontStyleFlags
5958 avio_w8(pb, 0x00); // fontSize
5959 avio_w8(pb, 0x00); // fgColourRed
5960 avio_w8(pb, 0x00); // fgColourGreen
5961 avio_w8(pb, 0x00); // fgColourBlue
5962 avio_w8(pb, 0x00); // fgColourAlpha
5964 avio_wb32(pb, 0x0D); // box size
5965 ffio_wfourcc(pb, "ftab"); // box atom name
5966 avio_wb16(pb, 0x01); // entry count
5968 avio_wb16(pb, 0x01); // font ID
5969 avio_w8(pb, 0x00); // font name length
5971 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
5972 track->par->extradata = buf;
5973 track->par->extradata_size = size;
5980 for (i = 0; i < s->nb_chapters; i++) {
5981 AVChapter *c = s->chapters[i];
5982 AVDictionaryEntry *t;
5984 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
5985 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
5986 pkt.duration = end - pkt.dts;
5988 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
5989 static const char encd[12] = {
5990 0x00, 0x00, 0x00, 0x0C,
5992 0x00, 0x00, 0x01, 0x00 };
5993 len = strlen(t->value);
5994 pkt.size = len + 2 + 12;
5995 pkt.data = av_malloc(pkt.size);
5997 return AVERROR(ENOMEM);
5998 AV_WB16(pkt.data, len);
5999 memcpy(pkt.data + 2, t->value, len);
6000 memcpy(pkt.data + len + 2, encd, sizeof(encd));
6001 ff_mov_write_packet(s, &pkt);
6002 av_freep(&pkt.data);
6010 static int mov_check_timecode_track(AVFormatContext *s, AVTimecode *tc, int src_index, const char *tcstr)
6014 /* compute the frame number */
6015 ret = av_timecode_init_from_string(tc, find_fps(s, s->streams[src_index]), tcstr, s);
6019 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, AVTimecode tc)
6022 MOVMuxContext *mov = s->priv_data;
6023 MOVTrack *track = &mov->tracks[index];
6024 AVStream *src_st = s->streams[src_index];
6025 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
6026 AVRational rate = find_fps(s, src_st);
6028 /* tmcd track based on video stream */
6029 track->mode = mov->mode;
6030 track->tag = MKTAG('t','m','c','d');
6031 track->src_track = src_index;
6032 track->timescale = mov->tracks[src_index].timescale;
6033 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
6034 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
6036 /* set st to src_st for metadata access*/
6039 /* encode context: tmcd data stream */
6040 track->par = avcodec_parameters_alloc();
6042 return AVERROR(ENOMEM);
6043 track->par->codec_type = AVMEDIA_TYPE_DATA;
6044 track->par->codec_tag = track->tag;
6045 track->st->avg_frame_rate = av_inv_q(rate);
6047 /* the tmcd track just contains one packet with the frame number */
6048 pkt.data = av_malloc(pkt.size);
6050 return AVERROR(ENOMEM);
6051 AV_WB32(pkt.data, tc.start);
6052 ret = ff_mov_write_packet(s, &pkt);
6058 * st->disposition controls the "enabled" flag in the tkhd tag.
6059 * QuickTime will not play a track if it is not enabled. So make sure
6060 * that one track of each type (audio, video, subtitle) is enabled.
6062 * Subtitles are special. For audio and video, setting "enabled" also
6063 * makes the track "default" (i.e. it is rendered when played). For
6064 * subtitles, an "enabled" subtitle is not rendered by default, but
6065 * if no subtitle is enabled, the subtitle menu in QuickTime will be
6068 static void enable_tracks(AVFormatContext *s)
6070 MOVMuxContext *mov = s->priv_data;
6072 int enabled[AVMEDIA_TYPE_NB];
6073 int first[AVMEDIA_TYPE_NB];
6075 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
6080 for (i = 0; i < s->nb_streams; i++) {
6081 AVStream *st = s->streams[i];
6083 if (st->codecpar->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
6084 st->codecpar->codec_type >= AVMEDIA_TYPE_NB ||
6088 if (first[st->codecpar->codec_type] < 0)
6089 first[st->codecpar->codec_type] = i;
6090 if (st->disposition & AV_DISPOSITION_DEFAULT) {
6091 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
6092 enabled[st->codecpar->codec_type]++;
6096 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
6098 case AVMEDIA_TYPE_VIDEO:
6099 case AVMEDIA_TYPE_AUDIO:
6100 case AVMEDIA_TYPE_SUBTITLE:
6102 mov->per_stream_grouping = 1;
6103 if (!enabled[i] && first[i] >= 0)
6104 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
6110 static void mov_free(AVFormatContext *s)
6112 MOVMuxContext *mov = s->priv_data;
6115 if (mov->chapter_track) {
6116 if (mov->tracks[mov->chapter_track].par)
6117 av_freep(&mov->tracks[mov->chapter_track].par->extradata);
6118 av_freep(&mov->tracks[mov->chapter_track].par);
6121 for (i = 0; i < mov->nb_streams; i++) {
6122 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
6123 ff_mov_close_hinting(&mov->tracks[i]);
6124 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
6125 av_freep(&mov->tracks[i].par);
6126 av_freep(&mov->tracks[i].cluster);
6127 av_freep(&mov->tracks[i].frag_info);
6128 av_packet_unref(&mov->tracks[i].cover_image);
6130 if (mov->tracks[i].eac3_priv) {
6131 struct eac3_info *info = mov->tracks[i].eac3_priv;
6132 av_packet_unref(&info->pkt);
6133 av_freep(&mov->tracks[i].eac3_priv);
6135 if (mov->tracks[i].vos_len)
6136 av_freep(&mov->tracks[i].vos_data);
6138 ff_mov_cenc_free(&mov->tracks[i].cenc);
6141 av_freep(&mov->tracks);
6144 static uint32_t rgb_to_yuv(uint32_t rgb)
6149 r = (rgb >> 16) & 0xFF;
6150 g = (rgb >> 8) & 0xFF;
6153 y = av_clip_uint8(( 16000 + 257 * r + 504 * g + 98 * b)/1000);
6154 cb = av_clip_uint8((128000 - 148 * r - 291 * g + 439 * b)/1000);
6155 cr = av_clip_uint8((128000 + 439 * r - 368 * g - 71 * b)/1000);
6157 return (y << 16) | (cr << 8) | cb;
6160 static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track,
6163 int i, width = 720, height = 480;
6164 int have_palette = 0, have_size = 0;
6165 uint32_t palette[16];
6166 char *cur = st->codecpar->extradata;
6168 while (cur && *cur) {
6169 if (strncmp("palette:", cur, 8) == 0) {
6171 count = sscanf(cur + 8,
6172 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6173 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6174 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6175 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
6176 &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
6177 &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
6178 &palette[ 8], &palette[ 9], &palette[10], &palette[11],
6179 &palette[12], &palette[13], &palette[14], &palette[15]);
6181 for (i = 0; i < count; i++) {
6182 palette[i] = rgb_to_yuv(palette[i]);
6185 } else if (!strncmp("size:", cur, 5)) {
6186 sscanf(cur + 5, "%dx%d", &width, &height);
6189 if (have_palette && have_size)
6191 cur += strcspn(cur, "\n\r");
6192 cur += strspn(cur, "\n\r");
6195 track->vos_data = av_malloc(16*4 + AV_INPUT_BUFFER_PADDING_SIZE);
6196 if (!track->vos_data)
6197 return AVERROR(ENOMEM);
6198 for (i = 0; i < 16; i++) {
6199 AV_WB32(track->vos_data + i * 4, palette[i]);
6201 memset(track->vos_data + 16*4, 0, AV_INPUT_BUFFER_PADDING_SIZE);
6202 track->vos_len = 16 * 4;
6204 st->codecpar->width = width;
6205 st->codecpar->height = track->height = height;
6210 static int mov_init(AVFormatContext *s)
6212 MOVMuxContext *mov = s->priv_data;
6213 AVDictionaryEntry *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
6218 /* Default mode == MP4 */
6219 mov->mode = MODE_MP4;
6222 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
6223 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
6224 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
6225 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
6226 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
6227 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
6228 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
6231 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
6232 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV;
6234 /* Set the FRAGMENT flag if any of the fragmentation methods are
6236 if (mov->max_fragment_duration || mov->max_fragment_size ||
6237 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
6238 FF_MOV_FLAG_FRAG_KEYFRAME |
6239 FF_MOV_FLAG_FRAG_CUSTOM |
6240 FF_MOV_FLAG_FRAG_EVERY_FRAME))
6241 mov->flags |= FF_MOV_FLAG_FRAGMENT;
6243 /* Set other implicit flags immediately */
6244 if (mov->mode == MODE_ISM)
6245 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
6246 FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
6247 if (mov->flags & FF_MOV_FLAG_DASH)
6248 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
6249 FF_MOV_FLAG_DEFAULT_BASE_MOOF;
6250 if (mov->flags & FF_MOV_FLAG_CMAF)
6251 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
6252 FF_MOV_FLAG_DEFAULT_BASE_MOOF | FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
6254 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV && s->flags & AVFMT_FLAG_AUTO_BSF) {
6255 av_log(s, AV_LOG_VERBOSE, "Empty MOOV enabled; disabling automatic bitstream filtering\n");
6256 s->flags &= ~AVFMT_FLAG_AUTO_BSF;
6259 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX && mov->flags & FF_MOV_FLAG_SKIP_SIDX) {
6260 av_log(s, AV_LOG_WARNING, "Global SIDX enabled; Ignoring skip_sidx option\n");
6261 mov->flags &= ~FF_MOV_FLAG_SKIP_SIDX;
6264 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
6265 mov->reserved_moov_size = -1;
6268 if (mov->use_editlist < 0) {
6269 mov->use_editlist = 1;
6270 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
6271 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6272 // If we can avoid needing an edit list by shifting the
6273 // tracks, prefer that over (trying to) write edit lists
6274 // in fragmented output.
6275 if (s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO ||
6276 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO)
6277 mov->use_editlist = 0;
6279 if (mov->flags & FF_MOV_FLAG_CMAF) {
6280 // CMAF Track requires negative cts offsets without edit lists
6281 mov->use_editlist = 0;
6284 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
6285 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV) && mov->use_editlist)
6286 av_log(s, AV_LOG_WARNING, "No meaningful edit list will be written when using empty_moov without delay_moov\n");
6288 if (mov->flags & FF_MOV_FLAG_CMAF && mov->use_editlist) {
6289 av_log(s, AV_LOG_WARNING, "Edit list enabled; Assuming writing CMAF Track File\n");
6290 mov->flags &= ~FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
6292 if (!mov->use_editlist && s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO &&
6293 !(mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS))
6294 s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_ZERO;
6296 /* Clear the omit_tfhd_offset flag if default_base_moof is set;
6297 * if the latter is set that's enough and omit_tfhd_offset doesn't
6298 * add anything extra on top of that. */
6299 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
6300 mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
6301 mov->flags &= ~FF_MOV_FLAG_OMIT_TFHD_OFFSET;
6303 if (mov->frag_interleave &&
6304 mov->flags & (FF_MOV_FLAG_OMIT_TFHD_OFFSET | FF_MOV_FLAG_SEPARATE_MOOF)) {
6305 av_log(s, AV_LOG_ERROR,
6306 "Sample interleaving in fragments is mutually exclusive with "
6307 "omit_tfhd_offset and separate_moof\n");
6308 return AVERROR(EINVAL);
6311 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
6312 * is enabled, we don't support non-seekable output at all. */
6313 if (!(s->pb->seekable & AVIO_SEEKABLE_NORMAL) &&
6314 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
6315 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
6316 return AVERROR(EINVAL);
6319 mov->nb_streams = s->nb_streams;
6320 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
6321 mov->chapter_track = mov->nb_streams++;
6323 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6324 for (i = 0; i < s->nb_streams; i++)
6325 if (rtp_hinting_needed(s->streams[i]))
6329 if ( mov->write_tmcd == -1 && (mov->mode == MODE_MOV || mov->mode == MODE_MP4)
6330 || mov->write_tmcd == 1) {
6331 /* +1 tmcd track for each video stream with a timecode */
6332 for (i = 0; i < s->nb_streams; i++) {
6333 AVStream *st = s->streams[i];
6334 AVDictionaryEntry *t = global_tcr;
6335 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
6336 (t || (t=av_dict_get(st->metadata, "timecode", NULL, 0)))) {
6338 ret = mov_check_timecode_track(s, &tc, i, t->value);
6340 mov->nb_meta_tmcd++;
6344 /* check if there is already a tmcd track to remux */
6345 if (mov->nb_meta_tmcd) {
6346 for (i = 0; i < s->nb_streams; i++) {
6347 AVStream *st = s->streams[i];
6348 if (st->codecpar->codec_tag == MKTAG('t','m','c','d')) {
6349 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
6350 "so timecode metadata are now ignored\n");
6351 mov->nb_meta_tmcd = 0;
6356 mov->nb_streams += mov->nb_meta_tmcd;
6359 // Reserve an extra stream for chapters for the case where chapters
6360 // are written in the trailer
6361 mov->tracks = av_mallocz_array((mov->nb_streams + 1), sizeof(*mov->tracks));
6363 return AVERROR(ENOMEM);
6365 if (mov->encryption_scheme_str != NULL && strcmp(mov->encryption_scheme_str, "none") != 0) {
6366 if (strcmp(mov->encryption_scheme_str, "cenc-aes-ctr") == 0) {
6367 mov->encryption_scheme = MOV_ENC_CENC_AES_CTR;
6369 if (mov->encryption_key_len != AES_CTR_KEY_SIZE) {
6370 av_log(s, AV_LOG_ERROR, "Invalid encryption key len %d expected %d\n",
6371 mov->encryption_key_len, AES_CTR_KEY_SIZE);
6372 return AVERROR(EINVAL);
6375 if (mov->encryption_kid_len != CENC_KID_SIZE) {
6376 av_log(s, AV_LOG_ERROR, "Invalid encryption kid len %d expected %d\n",
6377 mov->encryption_kid_len, CENC_KID_SIZE);
6378 return AVERROR(EINVAL);
6381 av_log(s, AV_LOG_ERROR, "unsupported encryption scheme %s\n",
6382 mov->encryption_scheme_str);
6383 return AVERROR(EINVAL);
6387 for (i = 0; i < s->nb_streams; i++) {
6388 AVStream *st= s->streams[i];
6389 MOVTrack *track= &mov->tracks[i];
6390 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
6393 track->par = st->codecpar;
6394 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
6395 if (track->language < 0)
6396 track->language = 32767; // Unspecified Macintosh language code
6397 track->mode = mov->mode;
6398 track->tag = mov_find_codec_tag(s, track);
6400 av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, "
6401 "codec not currently supported in container\n",
6402 avcodec_get_name(st->codecpar->codec_id), i);
6403 return AVERROR(EINVAL);
6405 /* If hinting of this track is enabled by a later hint track,
6406 * this is updated. */
6407 track->hint_track = -1;
6408 track->start_dts = AV_NOPTS_VALUE;
6409 track->start_cts = AV_NOPTS_VALUE;
6410 track->end_pts = AV_NOPTS_VALUE;
6411 track->dts_shift = AV_NOPTS_VALUE;
6412 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
6413 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
6414 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
6415 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
6416 if (st->codecpar->width != 720 || (st->codecpar->height != 608 && st->codecpar->height != 512)) {
6417 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
6418 return AVERROR(EINVAL);
6420 track->height = track->tag >> 24 == 'n' ? 486 : 576;
6422 if (mov->video_track_timescale) {
6423 track->timescale = mov->video_track_timescale;
6424 if (mov->mode == MODE_ISM && mov->video_track_timescale != 10000000)
6425 av_log(s, AV_LOG_WARNING, "Warning: some tools, like mp4split, assume a timescale of 10000000 for ISMV.\n");
6427 track->timescale = st->time_base.den;
6428 while(track->timescale < 10000)
6429 track->timescale *= 2;
6431 if (st->codecpar->width > 65535 || st->codecpar->height > 65535) {
6432 av_log(s, AV_LOG_ERROR, "Resolution %dx%d too large for mov/mp4\n", st->codecpar->width, st->codecpar->height);
6433 return AVERROR(EINVAL);
6435 if (track->mode == MODE_MOV && track->timescale > 100000)
6436 av_log(s, AV_LOG_WARNING,
6437 "WARNING codec timebase is very high. If duration is too long,\n"
6438 "file may not be playable by quicktime. Specify a shorter timebase\n"
6439 "or choose different container.\n");
6440 if (track->mode == MODE_MOV &&
6441 track->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
6442 track->tag == MKTAG('r','a','w',' ')) {
6443 enum AVPixelFormat pix_fmt = track->par->format;
6444 if (pix_fmt == AV_PIX_FMT_NONE && track->par->bits_per_coded_sample == 1)
6445 pix_fmt = AV_PIX_FMT_MONOWHITE;
6446 track->is_unaligned_qt_rgb =
6447 pix_fmt == AV_PIX_FMT_RGB24 ||
6448 pix_fmt == AV_PIX_FMT_BGR24 ||
6449 pix_fmt == AV_PIX_FMT_PAL8 ||
6450 pix_fmt == AV_PIX_FMT_GRAY8 ||
6451 pix_fmt == AV_PIX_FMT_MONOWHITE ||
6452 pix_fmt == AV_PIX_FMT_MONOBLACK;
6454 if (track->par->codec_id == AV_CODEC_ID_VP9 ||
6455 track->par->codec_id == AV_CODEC_ID_AV1) {
6456 if (track->mode != MODE_MP4) {
6457 av_log(s, AV_LOG_ERROR, "%s only supported in MP4.\n", avcodec_get_name(track->par->codec_id));
6458 return AVERROR(EINVAL);
6460 } else if (track->par->codec_id == AV_CODEC_ID_VP8) {
6461 /* altref frames handling is not defined in the spec as of version v1.0,
6462 * so just forbid muxing VP8 streams altogether until a new version does */
6463 av_log(s, AV_LOG_ERROR, "VP8 muxing is currently not supported.\n");
6464 return AVERROR_PATCHWELCOME;
6466 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
6467 track->timescale = st->codecpar->sample_rate;
6468 if (!st->codecpar->frame_size && !av_get_bits_per_sample(st->codecpar->codec_id)) {
6469 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
6470 track->audio_vbr = 1;
6471 }else if (st->codecpar->codec_id == AV_CODEC_ID_ADPCM_MS ||
6472 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
6473 st->codecpar->codec_id == AV_CODEC_ID_ILBC){
6474 if (!st->codecpar->block_align) {
6475 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
6476 return AVERROR(EINVAL);
6478 track->sample_size = st->codecpar->block_align;
6479 }else if (st->codecpar->frame_size > 1){ /* assume compressed audio */
6480 track->audio_vbr = 1;
6482 track->sample_size = (av_get_bits_per_sample(st->codecpar->codec_id) >> 3) * st->codecpar->channels;
6484 if (st->codecpar->codec_id == AV_CODEC_ID_ILBC ||
6485 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_QT) {
6486 track->audio_vbr = 1;
6488 if (track->mode != MODE_MOV &&
6489 track->par->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
6490 if (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL) {
6491 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not standard, to mux anyway set strict to -1\n",
6492 i, track->par->sample_rate);
6493 return AVERROR(EINVAL);
6495 av_log(s, AV_LOG_WARNING, "track %d: muxing mp3 at %dhz is not standard in MP4\n",
6496 i, track->par->sample_rate);
6499 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
6500 track->par->codec_id == AV_CODEC_ID_TRUEHD ||
6501 track->par->codec_id == AV_CODEC_ID_OPUS) {
6502 if (track->mode != MODE_MP4) {
6503 av_log(s, AV_LOG_ERROR, "%s only supported in MP4.\n", avcodec_get_name(track->par->codec_id));
6504 return AVERROR(EINVAL);
6506 if (track->par->codec_id != AV_CODEC_ID_OPUS &&
6507 s->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
6508 av_log(s, AV_LOG_ERROR,
6509 "%s in MP4 support is experimental, add "
6510 "'-strict %d' if you want to use it.\n",
6511 avcodec_get_name(track->par->codec_id), FF_COMPLIANCE_EXPERIMENTAL);
6512 return AVERROR_EXPERIMENTAL;
6515 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
6516 track->timescale = st->time_base.den;
6517 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) {
6518 track->timescale = st->time_base.den;
6520 track->timescale = MOV_TIMESCALE;
6523 track->height = st->codecpar->height;
6524 /* The Protected Interoperable File Format (PIFF) standard, used by ISMV recommends but
6525 doesn't mandate a track timescale of 10,000,000. The muxer allows a custom timescale
6526 for video tracks, so if user-set, it isn't overwritten */
6527 if (mov->mode == MODE_ISM &&
6528 (st->codecpar->codec_type != AVMEDIA_TYPE_VIDEO ||
6529 (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && !mov->video_track_timescale))) {
6530 track->timescale = 10000000;
6533 avpriv_set_pts_info(st, 64, 1, track->timescale);
6535 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
6536 ret = ff_mov_cenc_init(&track->cenc, mov->encryption_key,
6537 track->par->codec_id == AV_CODEC_ID_H264, s->flags & AVFMT_FLAG_BITEXACT);
6547 static int mov_write_header(AVFormatContext *s)
6549 AVIOContext *pb = s->pb;
6550 MOVMuxContext *mov = s->priv_data;
6551 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
6552 int i, ret, hint_track = 0, tmcd_track = 0, nb_tracks = s->nb_streams;
6554 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
6557 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6558 hint_track = nb_tracks;
6559 for (i = 0; i < s->nb_streams; i++)
6560 if (rtp_hinting_needed(s->streams[i]))
6564 if (mov->nb_meta_tmcd)
6565 tmcd_track = nb_tracks;
6567 for (i = 0; i < s->nb_streams; i++) {
6569 AVStream *st= s->streams[i];
6570 MOVTrack *track= &mov->tracks[i];
6572 /* copy extradata if it exists */
6573 if (st->codecpar->extradata_size) {
6574 if (st->codecpar->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
6575 mov_create_dvd_sub_decoder_specific_info(track, st);
6576 else if (!TAG_IS_AVCI(track->tag) && st->codecpar->codec_id != AV_CODEC_ID_DNXHD) {
6577 track->vos_len = st->codecpar->extradata_size;
6578 track->vos_data = av_malloc(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
6579 if (!track->vos_data) {
6580 return AVERROR(ENOMEM);
6582 memcpy(track->vos_data, st->codecpar->extradata, track->vos_len);
6583 memset(track->vos_data + track->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
6587 if (st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
6588 track->par->channel_layout != AV_CH_LAYOUT_MONO)
6591 for (j = 0; j < s->nb_streams; j++) {
6592 AVStream *stj= s->streams[j];
6593 MOVTrack *trackj= &mov->tracks[j];
6597 if (stj->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
6598 trackj->par->channel_layout != AV_CH_LAYOUT_MONO ||
6599 trackj->language != track->language ||
6600 trackj->tag != track->tag
6603 track->multichannel_as_mono++;
6607 if (!(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6608 if ((ret = mov_write_identification(pb, s)) < 0)
6612 if (mov->reserved_moov_size){
6613 mov->reserved_header_pos = avio_tell(pb);
6614 if (mov->reserved_moov_size > 0)
6615 avio_skip(pb, mov->reserved_moov_size);
6618 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
6619 /* If no fragmentation options have been set, set a default. */
6620 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
6621 FF_MOV_FLAG_FRAG_CUSTOM |
6622 FF_MOV_FLAG_FRAG_EVERY_FRAME)) &&
6623 !mov->max_fragment_duration && !mov->max_fragment_size)
6624 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
6626 if (mov->flags & FF_MOV_FLAG_FASTSTART)
6627 mov->reserved_header_pos = avio_tell(pb);
6628 mov_write_mdat_tag(pb, mov);
6631 ff_parse_creation_time_metadata(s, &mov->time, 1);
6633 mov->time += 0x7C25B080; // 1970 based -> 1904 based
6635 if (mov->chapter_track)
6636 if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0)
6639 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6640 for (i = 0; i < s->nb_streams; i++) {
6641 if (rtp_hinting_needed(s->streams[i])) {
6642 if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0)
6649 if (mov->nb_meta_tmcd) {
6650 /* Initialize the tmcd tracks */
6651 for (i = 0; i < s->nb_streams; i++) {
6652 AVStream *st = s->streams[i];
6655 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
6658 t = av_dict_get(st->metadata, "timecode", NULL, 0);
6661 if (mov_check_timecode_track(s, &tc, i, t->value) < 0)
6663 if ((ret = mov_create_timecode_track(s, tmcd_track, i, tc)) < 0)
6672 if (mov->flags & FF_MOV_FLAG_ISML)
6673 mov_write_isml_manifest(pb, mov, s);
6675 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
6676 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6677 if ((ret = mov_write_moov_tag(pb, mov, s)) < 0)
6679 mov->moov_written = 1;
6680 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
6681 mov->reserved_header_pos = avio_tell(pb);
6687 static int get_moov_size(AVFormatContext *s)
6690 AVIOContext *moov_buf;
6691 MOVMuxContext *mov = s->priv_data;
6693 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
6695 if ((ret = mov_write_moov_tag(moov_buf, mov, s)) < 0)
6697 return ffio_close_null_buf(moov_buf);
6700 static int get_sidx_size(AVFormatContext *s)
6704 MOVMuxContext *mov = s->priv_data;
6706 if ((ret = ffio_open_null_buf(&buf)) < 0)
6708 mov_write_sidx_tags(buf, mov, -1, 0);
6709 return ffio_close_null_buf(buf);
6713 * This function gets the moov size if moved to the top of the file: the chunk
6714 * offset table can switch between stco (32-bit entries) to co64 (64-bit
6715 * entries) when the moov is moved to the beginning, so the size of the moov
6716 * would change. It also updates the chunk offset tables.
6718 static int compute_moov_size(AVFormatContext *s)
6720 int i, moov_size, moov_size2;
6721 MOVMuxContext *mov = s->priv_data;
6723 moov_size = get_moov_size(s);
6727 for (i = 0; i < mov->nb_streams; i++)
6728 mov->tracks[i].data_offset += moov_size;
6730 moov_size2 = get_moov_size(s);
6734 /* if the size changed, we just switched from stco to co64 and need to
6735 * update the offsets */
6736 if (moov_size2 != moov_size)
6737 for (i = 0; i < mov->nb_streams; i++)
6738 mov->tracks[i].data_offset += moov_size2 - moov_size;
6743 static int compute_sidx_size(AVFormatContext *s)
6746 MOVMuxContext *mov = s->priv_data;
6748 sidx_size = get_sidx_size(s);
6752 for (i = 0; i < mov->nb_streams; i++)
6753 mov->tracks[i].data_offset += sidx_size;
6758 static int shift_data(AVFormatContext *s)
6760 int ret = 0, moov_size;
6761 MOVMuxContext *mov = s->priv_data;
6762 int64_t pos, pos_end;
6763 uint8_t *buf, *read_buf[2];
6764 int read_buf_id = 0;
6766 AVIOContext *read_pb;
6768 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
6769 moov_size = compute_sidx_size(s);
6771 moov_size = compute_moov_size(s);
6775 buf = av_malloc(moov_size * 2);
6777 return AVERROR(ENOMEM);
6779 read_buf[1] = buf + moov_size;
6781 /* Shift the data: the AVIO context of the output can only be used for
6782 * writing, so we re-open the same output, but for reading. It also avoids
6783 * a read/seek/write/seek back and forth. */
6785 ret = s->io_open(s, &read_pb, s->url, AVIO_FLAG_READ, NULL);
6787 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
6788 "the second pass (faststart)\n", s->url);
6792 /* mark the end of the shift to up to the last data we wrote, and get ready
6794 pos_end = avio_tell(s->pb);
6795 avio_seek(s->pb, mov->reserved_header_pos + moov_size, SEEK_SET);
6797 /* start reading at where the new moov will be placed */
6798 avio_seek(read_pb, mov->reserved_header_pos, SEEK_SET);
6799 pos = avio_tell(read_pb);
6801 #define READ_BLOCK do { \
6802 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
6806 /* shift data by chunk of at most moov_size */
6811 n = read_size[read_buf_id];
6814 avio_write(s->pb, read_buf[read_buf_id], n);
6816 } while (pos < pos_end);
6817 ff_format_io_close(s, &read_pb);
6824 static int mov_write_trailer(AVFormatContext *s)
6826 MOVMuxContext *mov = s->priv_data;
6827 AVIOContext *pb = s->pb;
6832 if (mov->need_rewrite_extradata) {
6833 for (i = 0; i < s->nb_streams; i++) {
6834 MOVTrack *track = &mov->tracks[i];
6835 AVCodecParameters *par = track->par;
6837 track->vos_len = par->extradata_size;
6838 track->vos_data = av_malloc(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
6839 if (!track->vos_data)
6840 return AVERROR(ENOMEM);
6841 memcpy(track->vos_data, par->extradata, track->vos_len);
6842 memset(track->vos_data + track->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
6844 mov->need_rewrite_extradata = 0;
6848 * Before actually writing the trailer, make sure that there are no
6849 * dangling subtitles, that need a terminating sample.
6851 for (i = 0; i < mov->nb_streams; i++) {
6852 MOVTrack *trk = &mov->tracks[i];
6853 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
6854 !trk->last_sample_is_subtitle_end) {
6855 mov_write_subtitle_end_packet(s, i, trk->track_duration);
6856 trk->last_sample_is_subtitle_end = 1;
6860 // If there were no chapters when the header was written, but there
6861 // are chapters now, write them in the trailer. This only works
6862 // when we are not doing fragments.
6863 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
6864 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
6865 mov->chapter_track = mov->nb_streams++;
6866 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
6871 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
6872 moov_pos = avio_tell(pb);
6874 /* Write size of mdat tag */
6875 if (mov->mdat_size + 8 <= UINT32_MAX) {
6876 avio_seek(pb, mov->mdat_pos, SEEK_SET);
6877 avio_wb32(pb, mov->mdat_size + 8);
6879 /* overwrite 'wide' placeholder atom */
6880 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
6881 /* special value: real atom size will be 64 bit value after
6884 ffio_wfourcc(pb, "mdat");
6885 avio_wb64(pb, mov->mdat_size + 16);
6887 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_header_pos : moov_pos, SEEK_SET);
6889 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
6890 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
6891 res = shift_data(s);
6894 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
6895 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6897 } else if (mov->reserved_moov_size > 0) {
6899 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6901 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_header_pos);
6903 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
6904 return AVERROR(EINVAL);
6906 avio_wb32(pb, size);
6907 ffio_wfourcc(pb, "free");
6908 ffio_fill(pb, 0, size - 8);
6909 avio_seek(pb, moov_pos, SEEK_SET);
6911 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6916 mov_auto_flush_fragment(s, 1);
6917 for (i = 0; i < mov->nb_streams; i++)
6918 mov->tracks[i].data_offset = 0;
6919 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) {
6921 av_log(s, AV_LOG_INFO, "Starting second pass: inserting sidx atoms\n");
6922 res = shift_data(s);
6925 end = avio_tell(pb);
6926 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
6927 mov_write_sidx_tags(pb, mov, -1, 0);
6928 avio_seek(pb, end, SEEK_SET);
6930 if (!(mov->flags & FF_MOV_FLAG_SKIP_TRAILER)) {
6931 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_TRAILER);
6932 mov_write_mfra_tag(pb, mov);
6939 static int mov_check_bitstream(struct AVFormatContext *s, const AVPacket *pkt)
6942 AVStream *st = s->streams[pkt->stream_index];
6944 if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
6945 if (pkt->size > 2 && (AV_RB16(pkt->data) & 0xfff0) == 0xfff0)
6946 ret = ff_stream_add_bitstream_filter(st, "aac_adtstoasc", NULL);
6947 } else if (st->codecpar->codec_id == AV_CODEC_ID_VP9) {
6948 ret = ff_stream_add_bitstream_filter(st, "vp9_superframe", NULL);
6954 static const AVCodecTag codec_3gp_tags[] = {
6955 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
6956 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
6957 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
6958 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
6959 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
6960 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
6961 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
6962 { AV_CODEC_ID_NONE, 0 },
6965 const AVCodecTag codec_mp4_tags[] = {
6966 { AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
6967 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') },
6968 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '3') },
6969 { AV_CODEC_ID_HEVC, MKTAG('h', 'e', 'v', '1') },
6970 { AV_CODEC_ID_HEVC, MKTAG('h', 'v', 'c', '1') },
6971 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', '4', 'v') },
6972 { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', '4', 'v') },
6973 { AV_CODEC_ID_MJPEG, MKTAG('m', 'p', '4', 'v') },
6974 { AV_CODEC_ID_PNG, MKTAG('m', 'p', '4', 'v') },
6975 { AV_CODEC_ID_JPEG2000, MKTAG('m', 'p', '4', 'v') },
6976 { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') },
6977 { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
6978 { AV_CODEC_ID_TSCC2, MKTAG('m', 'p', '4', 'v') },
6979 { AV_CODEC_ID_VP9, MKTAG('v', 'p', '0', '9') },
6980 { AV_CODEC_ID_AV1, MKTAG('a', 'v', '0', '1') },
6981 { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
6982 { AV_CODEC_ID_MP4ALS, MKTAG('m', 'p', '4', 'a') },
6983 { AV_CODEC_ID_MP3, MKTAG('m', 'p', '4', 'a') },
6984 { AV_CODEC_ID_MP2, MKTAG('m', 'p', '4', 'a') },
6985 { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') },
6986 { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') },
6987 { AV_CODEC_ID_DTS, MKTAG('m', 'p', '4', 'a') },
6988 { AV_CODEC_ID_TRUEHD, MKTAG('m', 'l', 'p', 'a') },
6989 { AV_CODEC_ID_FLAC, MKTAG('f', 'L', 'a', 'C') },
6990 { AV_CODEC_ID_OPUS, MKTAG('O', 'p', 'u', 's') },
6991 { AV_CODEC_ID_VORBIS, MKTAG('m', 'p', '4', 'a') },
6992 { AV_CODEC_ID_QCELP, MKTAG('m', 'p', '4', 'a') },
6993 { AV_CODEC_ID_EVRC, MKTAG('m', 'p', '4', 'a') },
6994 { AV_CODEC_ID_DVD_SUBTITLE, MKTAG('m', 'p', '4', 's') },
6995 { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
6996 { AV_CODEC_ID_BIN_DATA, MKTAG('g', 'p', 'm', 'd') },
6997 { AV_CODEC_ID_MPEGH_3D_AUDIO, MKTAG('m', 'h', 'm', '1') },
6998 { AV_CODEC_ID_NONE, 0 },
7001 const AVCodecTag codec_ism_tags[] = {
7002 { AV_CODEC_ID_WMAPRO , MKTAG('w', 'm', 'a', ' ') },
7003 { AV_CODEC_ID_NONE , 0 },
7006 static const AVCodecTag codec_ipod_tags[] = {
7007 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
7008 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
7009 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
7010 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
7011 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
7012 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
7013 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
7014 { AV_CODEC_ID_NONE, 0 },
7017 static const AVCodecTag codec_f4v_tags[] = {
7018 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
7019 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
7020 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
7021 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
7022 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
7023 { AV_CODEC_ID_NONE, 0 },
7026 #if CONFIG_MOV_MUXER
7028 AVOutputFormat ff_mov_muxer = {
7030 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
7031 .extensions = "mov",
7032 .priv_data_size = sizeof(MOVMuxContext),
7033 .audio_codec = AV_CODEC_ID_AAC,
7034 .video_codec = CONFIG_LIBX264_ENCODER ?
7035 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
7037 .write_header = mov_write_header,
7038 .write_packet = mov_write_packet,
7039 .write_trailer = mov_write_trailer,
7041 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7042 .codec_tag = (const AVCodecTag* const []){
7043 ff_codec_movvideo_tags, ff_codec_movaudio_tags, ff_codec_movsubtitle_tags, 0
7045 .check_bitstream = mov_check_bitstream,
7046 .priv_class = &mov_muxer_class,
7049 #if CONFIG_TGP_MUXER
7051 AVOutputFormat ff_tgp_muxer = {
7053 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
7054 .extensions = "3gp",
7055 .priv_data_size = sizeof(MOVMuxContext),
7056 .audio_codec = AV_CODEC_ID_AMR_NB,
7057 .video_codec = AV_CODEC_ID_H263,
7059 .write_header = mov_write_header,
7060 .write_packet = mov_write_packet,
7061 .write_trailer = mov_write_trailer,
7063 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7064 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
7065 .check_bitstream = mov_check_bitstream,
7066 .priv_class = &tgp_muxer_class,
7069 #if CONFIG_MP4_MUXER
7071 AVOutputFormat ff_mp4_muxer = {
7073 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
7074 .mime_type = "video/mp4",
7075 .extensions = "mp4",
7076 .priv_data_size = sizeof(MOVMuxContext),
7077 .audio_codec = AV_CODEC_ID_AAC,
7078 .video_codec = CONFIG_LIBX264_ENCODER ?
7079 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
7081 .write_header = mov_write_header,
7082 .write_packet = mov_write_packet,
7083 .write_trailer = mov_write_trailer,
7085 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7086 .codec_tag = (const AVCodecTag* const []){ codec_mp4_tags, 0 },
7087 .check_bitstream = mov_check_bitstream,
7088 .priv_class = &mp4_muxer_class,
7091 #if CONFIG_PSP_MUXER
7093 AVOutputFormat ff_psp_muxer = {
7095 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
7096 .extensions = "mp4,psp",
7097 .priv_data_size = sizeof(MOVMuxContext),
7098 .audio_codec = AV_CODEC_ID_AAC,
7099 .video_codec = CONFIG_LIBX264_ENCODER ?
7100 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
7102 .write_header = mov_write_header,
7103 .write_packet = mov_write_packet,
7104 .write_trailer = mov_write_trailer,
7106 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7107 .codec_tag = (const AVCodecTag* const []){ codec_mp4_tags, 0 },
7108 .check_bitstream = mov_check_bitstream,
7109 .priv_class = &psp_muxer_class,
7112 #if CONFIG_TG2_MUXER
7114 AVOutputFormat ff_tg2_muxer = {
7116 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
7117 .extensions = "3g2",
7118 .priv_data_size = sizeof(MOVMuxContext),
7119 .audio_codec = AV_CODEC_ID_AMR_NB,
7120 .video_codec = AV_CODEC_ID_H263,
7122 .write_header = mov_write_header,
7123 .write_packet = mov_write_packet,
7124 .write_trailer = mov_write_trailer,
7126 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7127 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
7128 .check_bitstream = mov_check_bitstream,
7129 .priv_class = &tg2_muxer_class,
7132 #if CONFIG_IPOD_MUXER
7134 AVOutputFormat ff_ipod_muxer = {
7136 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
7137 .mime_type = "video/mp4",
7138 .extensions = "m4v,m4a,m4b",
7139 .priv_data_size = sizeof(MOVMuxContext),
7140 .audio_codec = AV_CODEC_ID_AAC,
7141 .video_codec = AV_CODEC_ID_H264,
7143 .write_header = mov_write_header,
7144 .write_packet = mov_write_packet,
7145 .write_trailer = mov_write_trailer,
7147 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7148 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
7149 .check_bitstream = mov_check_bitstream,
7150 .priv_class = &ipod_muxer_class,
7153 #if CONFIG_ISMV_MUXER
7155 AVOutputFormat ff_ismv_muxer = {
7157 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
7158 .mime_type = "video/mp4",
7159 .extensions = "ismv,isma",
7160 .priv_data_size = sizeof(MOVMuxContext),
7161 .audio_codec = AV_CODEC_ID_AAC,
7162 .video_codec = AV_CODEC_ID_H264,
7164 .write_header = mov_write_header,
7165 .write_packet = mov_write_packet,
7166 .write_trailer = mov_write_trailer,
7168 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7169 .codec_tag = (const AVCodecTag* const []){
7170 codec_mp4_tags, codec_ism_tags, 0 },
7171 .check_bitstream = mov_check_bitstream,
7172 .priv_class = &ismv_muxer_class,
7175 #if CONFIG_F4V_MUXER
7177 AVOutputFormat ff_f4v_muxer = {
7179 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
7180 .mime_type = "application/f4v",
7181 .extensions = "f4v",
7182 .priv_data_size = sizeof(MOVMuxContext),
7183 .audio_codec = AV_CODEC_ID_AAC,
7184 .video_codec = AV_CODEC_ID_H264,
7186 .write_header = mov_write_header,
7187 .write_packet = mov_write_packet,
7188 .write_trailer = mov_write_trailer,
7190 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
7191 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
7192 .check_bitstream = mov_check_bitstream,
7193 .priv_class = &f4v_muxer_class,