3 * Copyright (c) 2003 Thomas Raivio
4 * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>
5 * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
7 * This file is part of FFmpeg.
9 * FFmpeg is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * FFmpeg is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with FFmpeg; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
29 #include "avio_internal.h"
35 #include "libavcodec/ac3_parser_internal.h"
36 #include "libavcodec/dnxhddata.h"
37 #include "libavcodec/flac.h"
38 #include "libavcodec/get_bits.h"
40 #include "libavcodec/internal.h"
41 #include "libavcodec/put_bits.h"
42 #include "libavcodec/vc1_common.h"
43 #include "libavcodec/raw.h"
45 #include "libavutil/avstring.h"
46 #include "libavutil/intfloat.h"
47 #include "libavutil/mathematics.h"
48 #include "libavutil/libm.h"
49 #include "libavutil/opt.h"
50 #include "libavutil/dict.h"
51 #include "libavutil/pixdesc.h"
52 #include "libavutil/stereo3d.h"
53 #include "libavutil/timecode.h"
54 #include "libavutil/color_utils.h"
60 static const AVOption options[] = {
61 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
62 { "rtphint", "Add RTP hint tracks", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_RTP_HINT}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
63 { "moov_size", "maximum moov size so it can be placed at the begin", offsetof(MOVMuxContext, reserved_moov_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, 0 },
64 { "empty_moov", "Make the initial moov atom empty", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_EMPTY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
65 { "frag_keyframe", "Fragment at video keyframes", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_KEYFRAME}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
66 { "frag_every_frame", "Fragment at every frame", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_EVERY_FRAME}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
67 { "separate_moof", "Write separate moof/mdat atoms for each track", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_SEPARATE_MOOF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
68 { "frag_custom", "Flush fragments on caller requests", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_CUSTOM}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
69 { "isml", "Create a live smooth streaming feed (for pushing to a publishing point)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_ISML}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
70 { "faststart", "Run a second pass to put the index (moov atom) at the beginning of the file", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FASTSTART}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
71 { "omit_tfhd_offset", "Omit the base data offset in tfhd atoms", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_OMIT_TFHD_OFFSET}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
72 { "disable_chpl", "Disable Nero chapter atom", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DISABLE_CHPL}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
73 { "default_base_moof", "Set the default-base-is-moof flag in tfhd atoms", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DEFAULT_BASE_MOOF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
74 { "dash", "Write DASH compatible fragmented MP4", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DASH}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
75 { "cmaf", "Write CMAF compatible fragmented MP4", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_CMAF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
76 { "frag_discont", "Signal that the next fragment is discontinuous from earlier ones", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_DISCONT}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
77 { "delay_moov", "Delay writing the initial moov until the first fragment is cut, or until the first fragment flush", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DELAY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
78 { "global_sidx", "Write a global sidx index at the start of the file", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_GLOBAL_SIDX}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
79 { "skip_sidx", "Skip writing of sidx atom", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_SKIP_SIDX}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
80 { "write_colr", "Write colr atom (Experimental, may be renamed or changed, do not use from scripts)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_WRITE_COLR}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
81 { "prefer_icc", "If writing colr atom prioritise usage of ICC profile if it exists in stream packet side data", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_PREFER_ICC}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
82 { "write_gama", "Write deprecated gama atom", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_WRITE_GAMA}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
83 { "use_metadata_tags", "Use mdta atom for metadata.", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_USE_MDTA}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
84 { "skip_trailer", "Skip writing the mfra/tfra/mfro trailer for fragmented files", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_SKIP_TRAILER}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
85 { "negative_cts_offsets", "Use negative CTS offsets (reducing the need for edit lists)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
86 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
87 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
88 { "iods_audio_profile", "iods audio profile atom.", offsetof(MOVMuxContext, iods_audio_profile), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
89 { "iods_video_profile", "iods video profile atom.", offsetof(MOVMuxContext, iods_video_profile), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
90 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
91 { "min_frag_duration", "Minimum fragment duration", offsetof(MOVMuxContext, min_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
92 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
93 { "ism_lookahead", "Number of lookahead entries for ISM files", offsetof(MOVMuxContext, ism_lookahead), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
94 { "video_track_timescale", "set timescale of all video tracks", offsetof(MOVMuxContext, video_track_timescale), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
95 { "brand", "Override major brand", offsetof(MOVMuxContext, major_brand), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
96 { "use_editlist", "use edit list", offsetof(MOVMuxContext, use_editlist), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
97 { "fragment_index", "Fragment number of the next fragment", offsetof(MOVMuxContext, fragments), AV_OPT_TYPE_INT, {.i64 = 1}, 1, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
98 { "mov_gamma", "gamma value for gama atom", offsetof(MOVMuxContext, gamma), AV_OPT_TYPE_FLOAT, {.dbl = 0.0 }, 0.0, 10, AV_OPT_FLAG_ENCODING_PARAM},
99 { "frag_interleave", "Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead)", offsetof(MOVMuxContext, frag_interleave), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
100 { "encryption_scheme", "Configures the encryption scheme, allowed values are none, cenc-aes-ctr", offsetof(MOVMuxContext, encryption_scheme_str), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
101 { "encryption_key", "The media encryption key (hex)", offsetof(MOVMuxContext, encryption_key), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_ENCODING_PARAM },
102 { "encryption_kid", "The media encryption key identifier (hex)", offsetof(MOVMuxContext, encryption_kid), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_ENCODING_PARAM },
103 { "use_stream_ids_as_track_ids", "use stream ids as track ids", offsetof(MOVMuxContext, use_stream_ids_as_track_ids), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
104 { "write_tmcd", "force or disable writing tmcd", offsetof(MOVMuxContext, write_tmcd), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
105 { "write_prft", "Write producer reference time box with specified time source", offsetof(MOVMuxContext, write_prft), AV_OPT_TYPE_INT, {.i64 = MOV_PRFT_NONE}, 0, MOV_PRFT_NB-1, AV_OPT_FLAG_ENCODING_PARAM, "prft"},
106 { "wallclock", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = MOV_PRFT_SRC_WALLCLOCK}, 0, 0, AV_OPT_FLAG_ENCODING_PARAM, "prft"},
107 { "pts", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = MOV_PRFT_SRC_PTS}, 0, 0, AV_OPT_FLAG_ENCODING_PARAM, "prft"},
108 { "empty_hdlr_name", "write zero-length name string in hdlr atoms within mdia and minf atoms", offsetof(MOVMuxContext, empty_hdlr_name), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
112 #define MOV_CLASS(flavor)\
113 static const AVClass flavor ## _muxer_class = {\
114 .class_name = #flavor " muxer",\
115 .item_name = av_default_item_name,\
117 .version = LIBAVUTIL_VERSION_INT,\
120 static int get_moov_size(AVFormatContext *s);
122 static int utf8len(const uint8_t *b)
127 GET_UTF8(val, *b++, return -1;)
133 //FIXME support 64 bit variant with wide placeholders
134 static int64_t update_size(AVIOContext *pb, int64_t pos)
136 int64_t curpos = avio_tell(pb);
137 avio_seek(pb, pos, SEEK_SET);
138 avio_wb32(pb, curpos - pos); /* rewrite size */
139 avio_seek(pb, curpos, SEEK_SET);
144 static int co64_required(const MOVTrack *track)
146 if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX)
151 static int is_cover_image(const AVStream *st)
153 /* Eg. AV_DISPOSITION_ATTACHED_PIC | AV_DISPOSITION_TIMED_THUMBNAILS
154 * is encoded as sparse video track */
155 return st && st->disposition == AV_DISPOSITION_ATTACHED_PIC;
158 static int rtp_hinting_needed(const AVStream *st)
160 /* Add hint tracks for each real audio and video stream */
161 if (is_cover_image(st))
163 return st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
164 st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO;
167 /* Chunk offset atom */
168 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
171 int mode64 = co64_required(track); // use 32 bit size variant if possible
172 int64_t pos = avio_tell(pb);
173 avio_wb32(pb, 0); /* size */
175 ffio_wfourcc(pb, "co64");
177 ffio_wfourcc(pb, "stco");
178 avio_wb32(pb, 0); /* version & flags */
179 avio_wb32(pb, track->chunkCount); /* entry count */
180 for (i = 0; i < track->entry; i++) {
181 if (!track->cluster[i].chunkNum)
184 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
186 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
188 return update_size(pb, pos);
191 /* Sample size atom */
192 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
195 int i, j, entries = 0, tst = -1, oldtst = -1;
197 int64_t pos = avio_tell(pb);
198 avio_wb32(pb, 0); /* size */
199 ffio_wfourcc(pb, "stsz");
200 avio_wb32(pb, 0); /* version & flags */
202 for (i = 0; i < track->entry; i++) {
203 tst = track->cluster[i].size / track->cluster[i].entries;
204 if (oldtst != -1 && tst != oldtst)
207 entries += track->cluster[i].entries;
209 if (equalChunks && track->entry) {
210 int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0;
211 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
212 avio_wb32(pb, sSize); // sample size
213 avio_wb32(pb, entries); // sample count
215 avio_wb32(pb, 0); // sample size
216 avio_wb32(pb, entries); // sample count
217 for (i = 0; i < track->entry; i++) {
218 for (j = 0; j < track->cluster[i].entries; j++) {
219 avio_wb32(pb, track->cluster[i].size /
220 track->cluster[i].entries);
224 return update_size(pb, pos);
227 /* Sample to chunk atom */
228 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
230 int index = 0, oldval = -1, i;
231 int64_t entryPos, curpos;
233 int64_t pos = avio_tell(pb);
234 avio_wb32(pb, 0); /* size */
235 ffio_wfourcc(pb, "stsc");
236 avio_wb32(pb, 0); // version & flags
237 entryPos = avio_tell(pb);
238 avio_wb32(pb, track->chunkCount); // entry count
239 for (i = 0; i < track->entry; i++) {
240 if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum) {
241 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
242 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
243 avio_wb32(pb, 0x1); // sample description index
244 oldval = track->cluster[i].samples_in_chunk;
248 curpos = avio_tell(pb);
249 avio_seek(pb, entryPos, SEEK_SET);
250 avio_wb32(pb, index); // rewrite size
251 avio_seek(pb, curpos, SEEK_SET);
253 return update_size(pb, pos);
256 /* Sync sample atom */
257 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
259 int64_t curpos, entryPos;
261 int64_t pos = avio_tell(pb);
262 avio_wb32(pb, 0); // size
263 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
264 avio_wb32(pb, 0); // version & flags
265 entryPos = avio_tell(pb);
266 avio_wb32(pb, track->entry); // entry count
267 for (i = 0; i < track->entry; i++) {
268 if (track->cluster[i].flags & flag) {
269 avio_wb32(pb, i + 1);
273 curpos = avio_tell(pb);
274 avio_seek(pb, entryPos, SEEK_SET);
275 avio_wb32(pb, index); // rewrite size
276 avio_seek(pb, curpos, SEEK_SET);
277 return update_size(pb, pos);
280 /* Sample dependency atom */
281 static int mov_write_sdtp_tag(AVIOContext *pb, MOVTrack *track)
284 uint8_t leading, dependent, reference, redundancy;
285 int64_t pos = avio_tell(pb);
286 avio_wb32(pb, 0); // size
287 ffio_wfourcc(pb, "sdtp");
288 avio_wb32(pb, 0); // version & flags
289 for (i = 0; i < track->entry; i++) {
290 dependent = MOV_SAMPLE_DEPENDENCY_YES;
291 leading = reference = redundancy = MOV_SAMPLE_DEPENDENCY_UNKNOWN;
292 if (track->cluster[i].flags & MOV_DISPOSABLE_SAMPLE) {
293 reference = MOV_SAMPLE_DEPENDENCY_NO;
295 if (track->cluster[i].flags & MOV_SYNC_SAMPLE) {
296 dependent = MOV_SAMPLE_DEPENDENCY_NO;
298 avio_w8(pb, (leading << 6) | (dependent << 4) |
299 (reference << 2) | redundancy);
301 return update_size(pb, pos);
304 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
306 avio_wb32(pb, 0x11); /* size */
307 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
308 else ffio_wfourcc(pb, "damr");
309 ffio_wfourcc(pb, "FFMP");
310 avio_w8(pb, 0); /* decoder version */
312 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
313 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
314 avio_w8(pb, 0x01); /* Frames per sample */
318 static int mov_write_ac3_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
323 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
325 if (track->vos_len < 7) {
326 av_log(s, AV_LOG_ERROR,
327 "Cannot write moov atom before AC3 packets."
328 " Set the delay_moov flag to fix this.\n");
329 return AVERROR(EINVAL);
333 ffio_wfourcc(pb, "dac3");
335 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
336 fscod = get_bits(&gbc, 2);
337 frmsizecod = get_bits(&gbc, 6);
338 bsid = get_bits(&gbc, 5);
339 bsmod = get_bits(&gbc, 3);
340 acmod = get_bits(&gbc, 3);
342 skip_bits(&gbc, 2); // dsurmod
344 if ((acmod & 1) && acmod != 1)
345 skip_bits(&gbc, 2); // cmixlev
347 skip_bits(&gbc, 2); // surmixlev
349 lfeon = get_bits1(&gbc);
351 init_put_bits(&pbc, buf, sizeof(buf));
352 put_bits(&pbc, 2, fscod);
353 put_bits(&pbc, 5, bsid);
354 put_bits(&pbc, 3, bsmod);
355 put_bits(&pbc, 3, acmod);
356 put_bits(&pbc, 1, lfeon);
357 put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code
358 put_bits(&pbc, 5, 0); // reserved
360 flush_put_bits(&pbc);
361 avio_write(pb, buf, sizeof(buf));
371 /* Layout of the EC3SpecificBox */
372 /* maximum bitrate */
374 /* number of independent substreams */
377 /* sample rate code (see ff_ac3_sample_rate_tab) 2 bits */
379 /* bit stream identification 5 bits */
381 /* one bit reserved */
382 /* audio service mixing (not supported yet) 1 bit */
383 /* bit stream mode 3 bits */
385 /* audio coding mode 3 bits */
387 /* sub woofer on 1 bit */
389 /* 3 bits reserved */
390 /* number of dependent substreams associated with this substream 4 bits */
392 /* channel locations of the dependent substream(s), if any, 9 bits */
394 /* if there is no dependent substream, then one bit reserved instead */
395 } substream[1]; /* TODO: support 8 independent substreams */
398 #if CONFIG_AC3_PARSER
399 static int handle_eac3(MOVMuxContext *mov, AVPacket *pkt, MOVTrack *track)
401 AC3HeaderInfo *hdr = NULL;
402 struct eac3_info *info;
405 if (!track->eac3_priv && !(track->eac3_priv = av_mallocz(sizeof(*info))))
406 return AVERROR(ENOMEM);
407 info = track->eac3_priv;
409 if (avpriv_ac3_parse_header(&hdr, pkt->data, pkt->size) < 0) {
410 /* drop the packets until we see a good one */
412 av_log(mov->fc, AV_LOG_WARNING, "Dropping invalid packet from start of the stream\n");
415 ret = AVERROR_INVALIDDATA;
419 info->data_rate = FFMAX(info->data_rate, hdr->bit_rate / 1000);
420 num_blocks = hdr->num_blocks;
422 if (!info->ec3_done) {
423 /* AC-3 substream must be the first one */
424 if (hdr->bitstream_id <= 10 && hdr->substreamid != 0) {
425 ret = AVERROR(EINVAL);
429 /* this should always be the case, given that our AC-3 parser
430 * concatenates dependent frames to their independent parent */
431 if (hdr->frame_type == EAC3_FRAME_TYPE_INDEPENDENT) {
432 /* substream ids must be incremental */
433 if (hdr->substreamid > info->num_ind_sub + 1) {
434 ret = AVERROR(EINVAL);
438 if (hdr->substreamid == info->num_ind_sub + 1) {
439 //info->num_ind_sub++;
440 avpriv_request_sample(mov->fc, "Multiple independent substreams");
441 ret = AVERROR_PATCHWELCOME;
443 } else if (hdr->substreamid < info->num_ind_sub ||
444 hdr->substreamid == 0 && info->substream[0].bsid) {
449 if (hdr->substreamid != 0) {
450 avpriv_request_sample(mov->fc, "Multiple non EAC3 independent substreams");
451 ret = AVERROR_PATCHWELCOME;
456 /* fill the info needed for the "dec3" atom */
457 info->substream[hdr->substreamid].fscod = hdr->sr_code;
458 info->substream[hdr->substreamid].bsid = hdr->bitstream_id;
459 info->substream[hdr->substreamid].bsmod = hdr->bitstream_mode;
460 info->substream[hdr->substreamid].acmod = hdr->channel_mode;
461 info->substream[hdr->substreamid].lfeon = hdr->lfe_on;
463 /* Parse dependent substream(s), if any */
464 if (pkt->size != hdr->frame_size) {
465 int cumul_size = hdr->frame_size;
466 int parent = hdr->substreamid;
468 while (cumul_size != pkt->size) {
471 ret = avpriv_ac3_parse_header(&hdr, pkt->data + cumul_size, pkt->size - cumul_size);
474 if (hdr->frame_type != EAC3_FRAME_TYPE_DEPENDENT) {
475 ret = AVERROR(EINVAL);
478 info->substream[parent].num_dep_sub++;
481 /* header is parsed up to lfeon, but custom channel map may be needed */
482 init_get_bits8(&gbc, pkt->data + cumul_size + ret, pkt->size - cumul_size - ret);
485 /* skip volume control params */
486 for (i = 0; i < (hdr->channel_mode ? 1 : 2); i++) {
487 skip_bits(&gbc, 5); // skip dialog normalization
488 if (get_bits1(&gbc)) {
489 skip_bits(&gbc, 8); // skip compression gain word
492 /* get the dependent stream channel map, if exists */
494 info->substream[parent].chan_loc |= (get_bits(&gbc, 16) >> 5) & 0x1f;
496 info->substream[parent].chan_loc |= hdr->channel_mode;
497 cumul_size += hdr->frame_size;
503 if (!info->num_blocks && num_blocks == 6) {
507 else if (info->num_blocks + num_blocks > 6) {
508 ret = AVERROR_INVALIDDATA;
512 if (!info->num_blocks) {
513 ret = av_packet_ref(&info->pkt, pkt);
515 info->num_blocks = num_blocks;
518 if ((ret = av_grow_packet(&info->pkt, pkt->size)) < 0)
520 memcpy(info->pkt.data + info->pkt.size - pkt->size, pkt->data, pkt->size);
521 info->num_blocks += num_blocks;
522 info->pkt.duration += pkt->duration;
523 if ((ret = av_copy_packet_side_data(&info->pkt, pkt)) < 0)
525 if (info->num_blocks != 6)
527 av_packet_unref(pkt);
528 av_packet_move_ref(pkt, &info->pkt);
529 info->num_blocks = 0;
540 static int mov_write_eac3_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
544 struct eac3_info *info;
547 if (!track->eac3_priv) {
548 av_log(s, AV_LOG_ERROR,
549 "Cannot write moov atom before EAC3 packets parsed.\n");
550 return AVERROR(EINVAL);
553 info = track->eac3_priv;
554 size = 2 + ((34 * (info->num_ind_sub + 1) + 7) >> 3);
555 buf = av_malloc(size);
557 return AVERROR(ENOMEM);
560 init_put_bits(&pbc, buf, size);
561 put_bits(&pbc, 13, info->data_rate);
562 put_bits(&pbc, 3, info->num_ind_sub);
563 for (i = 0; i <= info->num_ind_sub; i++) {
564 put_bits(&pbc, 2, info->substream[i].fscod);
565 put_bits(&pbc, 5, info->substream[i].bsid);
566 put_bits(&pbc, 1, 0); /* reserved */
567 put_bits(&pbc, 1, 0); /* asvc */
568 put_bits(&pbc, 3, info->substream[i].bsmod);
569 put_bits(&pbc, 3, info->substream[i].acmod);
570 put_bits(&pbc, 1, info->substream[i].lfeon);
571 put_bits(&pbc, 5, 0); /* reserved */
572 put_bits(&pbc, 4, info->substream[i].num_dep_sub);
573 if (!info->substream[i].num_dep_sub) {
574 put_bits(&pbc, 1, 0); /* reserved */
576 put_bits(&pbc, 9, info->substream[i].chan_loc);
579 flush_put_bits(&pbc);
580 size = put_bits_count(&pbc) >> 3;
582 avio_wb32(pb, size + 8);
583 ffio_wfourcc(pb, "dec3");
584 avio_write(pb, buf, size);
592 * This function writes extradata "as is".
593 * Extradata must be formatted like a valid atom (with size and tag).
595 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
597 avio_write(pb, track->par->extradata, track->par->extradata_size);
598 return track->par->extradata_size;
601 static int mov_write_enda_tag(AVIOContext *pb)
604 ffio_wfourcc(pb, "enda");
605 avio_wb16(pb, 1); /* little endian */
609 static int mov_write_enda_tag_be(AVIOContext *pb)
612 ffio_wfourcc(pb, "enda");
613 avio_wb16(pb, 0); /* big endian */
617 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
622 avio_w8(pb, (size >> (7 * i)) | 0x80);
623 avio_w8(pb, size & 0x7F);
626 static unsigned compute_avg_bitrate(MOVTrack *track)
630 if (!track->track_duration)
632 for (i = 0; i < track->entry; i++)
633 size += track->cluster[i].size;
634 return size * 8 * track->timescale / track->track_duration;
637 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
639 AVCPBProperties *props;
640 int64_t pos = avio_tell(pb);
641 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
642 unsigned avg_bitrate;
644 avio_wb32(pb, 0); // size
645 ffio_wfourcc(pb, "esds");
646 avio_wb32(pb, 0); // Version
649 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
650 avio_wb16(pb, track->track_id);
651 avio_w8(pb, 0x00); // flags (= no flags)
653 // DecoderConfig descriptor
654 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
656 // Object type indication
657 if ((track->par->codec_id == AV_CODEC_ID_MP2 ||
658 track->par->codec_id == AV_CODEC_ID_MP3) &&
659 track->par->sample_rate > 24000)
660 avio_w8(pb, 0x6B); // 11172-3
662 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->par->codec_id));
664 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
665 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
666 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
667 avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
668 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
669 avio_w8(pb, 0x15); // flags (= Audiostream)
671 avio_w8(pb, 0x11); // flags (= Visualstream)
673 props = (AVCPBProperties*)av_stream_get_side_data(track->st, AV_PKT_DATA_CPB_PROPERTIES,
676 avio_wb24(pb, props ? props->buffer_size / 8 : 0); // Buffersize DB
678 avg_bitrate = compute_avg_bitrate(track);
679 avio_wb32(pb, props ? FFMAX3(props->max_bitrate, props->avg_bitrate, avg_bitrate) : FFMAX(track->par->bit_rate, avg_bitrate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
680 avio_wb32(pb, avg_bitrate);
682 if (track->vos_len) {
683 // DecoderSpecific info descriptor
684 put_descr(pb, 0x05, track->vos_len);
685 avio_write(pb, track->vos_data, track->vos_len);
689 put_descr(pb, 0x06, 1);
691 return update_size(pb, pos);
694 static int mov_pcm_le_gt16(enum AVCodecID codec_id)
696 return codec_id == AV_CODEC_ID_PCM_S24LE ||
697 codec_id == AV_CODEC_ID_PCM_S32LE ||
698 codec_id == AV_CODEC_ID_PCM_F32LE ||
699 codec_id == AV_CODEC_ID_PCM_F64LE;
702 static int mov_pcm_be_gt16(enum AVCodecID codec_id)
704 return codec_id == AV_CODEC_ID_PCM_S24BE ||
705 codec_id == AV_CODEC_ID_PCM_S32BE ||
706 codec_id == AV_CODEC_ID_PCM_F32BE ||
707 codec_id == AV_CODEC_ID_PCM_F64BE;
710 static int mov_write_ms_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
713 int64_t pos = avio_tell(pb);
715 avio_wl32(pb, track->tag); // store it byteswapped
716 track->par->codec_tag = av_bswap16(track->tag >> 16);
717 if ((ret = ff_put_wav_header(s, pb, track->par, 0)) < 0)
719 return update_size(pb, pos);
722 static int mov_write_wfex_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
725 int64_t pos = avio_tell(pb);
727 ffio_wfourcc(pb, "wfex");
728 if ((ret = ff_put_wav_header(s, pb, track->st->codecpar, FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX)) < 0)
730 return update_size(pb, pos);
733 static int mov_write_dfla_tag(AVIOContext *pb, MOVTrack *track)
735 int64_t pos = avio_tell(pb);
737 ffio_wfourcc(pb, "dfLa");
738 avio_w8(pb, 0); /* version */
739 avio_wb24(pb, 0); /* flags */
741 /* Expect the encoder to pass a METADATA_BLOCK_TYPE_STREAMINFO. */
742 if (track->par->extradata_size != FLAC_STREAMINFO_SIZE)
743 return AVERROR_INVALIDDATA;
745 /* TODO: Write other METADATA_BLOCK_TYPEs if the encoder makes them available. */
746 avio_w8(pb, 1 << 7 | FLAC_METADATA_TYPE_STREAMINFO); /* LastMetadataBlockFlag << 7 | BlockType */
747 avio_wb24(pb, track->par->extradata_size); /* Length */
748 avio_write(pb, track->par->extradata, track->par->extradata_size); /* BlockData[Length] */
750 return update_size(pb, pos);
753 static int mov_write_dops_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
755 int64_t pos = avio_tell(pb);
757 ffio_wfourcc(pb, "dOps");
758 avio_w8(pb, 0); /* Version */
759 if (track->par->extradata_size < 19) {
760 av_log(s, AV_LOG_ERROR, "invalid extradata size\n");
761 return AVERROR_INVALIDDATA;
763 /* extradata contains an Ogg OpusHead, other than byte-ordering and
764 OpusHead's preceeding magic/version, OpusSpecificBox is currently
766 avio_w8(pb, AV_RB8(track->par->extradata + 9)); /* OuputChannelCount */
767 avio_wb16(pb, AV_RL16(track->par->extradata + 10)); /* PreSkip */
768 avio_wb32(pb, AV_RL32(track->par->extradata + 12)); /* InputSampleRate */
769 avio_wb16(pb, AV_RL16(track->par->extradata + 16)); /* OutputGain */
770 /* Write the rest of the header out without byte-swapping. */
771 avio_write(pb, track->par->extradata + 18, track->par->extradata_size - 18);
773 return update_size(pb, pos);
776 static int mov_write_dmlp_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
778 int64_t pos = avio_tell(pb);
781 ffio_wfourcc(pb, "dmlp");
783 if (track->vos_len < 20) {
784 av_log(s, AV_LOG_ERROR,
785 "Cannot write moov atom before TrueHD packets."
786 " Set the delay_moov flag to fix this.\n");
787 return AVERROR(EINVAL);
790 length = (AV_RB16(track->vos_data) & 0xFFF) * 2;
791 if (length < 20 || length > track->vos_len)
792 return AVERROR_INVALIDDATA;
794 // Only TrueHD is supported
795 if (AV_RB32(track->vos_data + 4) != 0xF8726FBA)
796 return AVERROR_INVALIDDATA;
798 avio_wb32(pb, AV_RB32(track->vos_data + 8)); /* format_info */
799 avio_wb16(pb, AV_RB16(track->vos_data + 18) << 1); /* peak_data_rate */
800 avio_wb32(pb, 0); /* reserved */
802 return update_size(pb, pos);
805 static int mov_write_chan_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
807 uint32_t layout_tag, bitmap;
808 int64_t pos = avio_tell(pb);
810 layout_tag = ff_mov_get_channel_layout_tag(track->par->codec_id,
811 track->par->channel_layout,
814 av_log(s, AV_LOG_WARNING, "not writing 'chan' tag due to "
815 "lack of channel information\n");
819 if (track->multichannel_as_mono)
822 avio_wb32(pb, 0); // Size
823 ffio_wfourcc(pb, "chan"); // Type
824 avio_w8(pb, 0); // Version
825 avio_wb24(pb, 0); // Flags
826 avio_wb32(pb, layout_tag); // mChannelLayoutTag
827 avio_wb32(pb, bitmap); // mChannelBitmap
828 avio_wb32(pb, 0); // mNumberChannelDescriptions
830 return update_size(pb, pos);
833 static int mov_write_wave_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
835 int64_t pos = avio_tell(pb);
837 avio_wb32(pb, 0); /* size */
838 ffio_wfourcc(pb, "wave");
840 if (track->par->codec_id != AV_CODEC_ID_QDM2) {
841 avio_wb32(pb, 12); /* size */
842 ffio_wfourcc(pb, "frma");
843 avio_wl32(pb, track->tag);
846 if (track->par->codec_id == AV_CODEC_ID_AAC) {
847 /* useless atom needed by mplayer, ipod, not needed by quicktime */
848 avio_wb32(pb, 12); /* size */
849 ffio_wfourcc(pb, "mp4a");
851 mov_write_esds_tag(pb, track);
852 } else if (mov_pcm_le_gt16(track->par->codec_id)) {
853 mov_write_enda_tag(pb);
854 } else if (mov_pcm_be_gt16(track->par->codec_id)) {
855 mov_write_enda_tag_be(pb);
856 } else if (track->par->codec_id == AV_CODEC_ID_AMR_NB) {
857 mov_write_amr_tag(pb, track);
858 } else if (track->par->codec_id == AV_CODEC_ID_AC3) {
859 mov_write_ac3_tag(s, pb, track);
860 } else if (track->par->codec_id == AV_CODEC_ID_EAC3) {
861 mov_write_eac3_tag(s, pb, track);
862 } else if (track->par->codec_id == AV_CODEC_ID_ALAC ||
863 track->par->codec_id == AV_CODEC_ID_QDM2) {
864 mov_write_extradata_tag(pb, track);
865 } else if (track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
866 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
867 mov_write_ms_tag(s, pb, track);
870 avio_wb32(pb, 8); /* size */
871 avio_wb32(pb, 0); /* null tag */
873 return update_size(pb, pos);
876 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
879 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
880 int unescaped_size, seq_found = 0;
881 int level = 0, interlace = 0;
882 int packet_seq = track->vc1_info.packet_seq;
883 int packet_entry = track->vc1_info.packet_entry;
884 int slices = track->vc1_info.slices;
887 if (track->start_dts == AV_NOPTS_VALUE) {
888 /* No packets written yet, vc1_info isn't authoritative yet. */
889 /* Assume inline sequence and entry headers. */
890 packet_seq = packet_entry = 1;
891 av_log(NULL, AV_LOG_WARNING,
892 "moov atom written before any packets, unable to write correct "
893 "dvc1 atom. Set the delay_moov flag to fix this.\n");
896 unescaped = av_mallocz(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
898 return AVERROR(ENOMEM);
899 start = find_next_marker(track->vos_data, end);
900 for (next = start; next < end; start = next) {
903 next = find_next_marker(start + 4, end);
904 size = next - start - 4;
907 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
908 init_get_bits(&gb, unescaped, 8 * unescaped_size);
909 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
910 int profile = get_bits(&gb, 2);
911 if (profile != PROFILE_ADVANCED) {
913 return AVERROR(ENOSYS);
916 level = get_bits(&gb, 3);
917 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
919 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
920 skip_bits(&gb, 1); /* broadcast */
921 interlace = get_bits1(&gb);
922 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
927 return AVERROR(ENOSYS);
930 init_put_bits(&pbc, buf, 7);
931 /* VC1DecSpecStruc */
932 put_bits(&pbc, 4, 12); /* profile - advanced */
933 put_bits(&pbc, 3, level);
934 put_bits(&pbc, 1, 0); /* reserved */
935 /* VC1AdvDecSpecStruc */
936 put_bits(&pbc, 3, level);
937 put_bits(&pbc, 1, 0); /* cbr */
938 put_bits(&pbc, 6, 0); /* reserved */
939 put_bits(&pbc, 1, !interlace); /* no interlace */
940 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
941 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
942 put_bits(&pbc, 1, !slices); /* no slice code */
943 put_bits(&pbc, 1, 0); /* no bframe */
944 put_bits(&pbc, 1, 0); /* reserved */
947 if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0)
948 put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den);
950 put_bits32(&pbc, 0xffffffff);
952 flush_put_bits(&pbc);
959 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
961 uint8_t buf[7] = { 0 };
964 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
967 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
968 ffio_wfourcc(pb, "dvc1");
969 avio_write(pb, buf, sizeof(buf));
970 avio_write(pb, track->vos_data, track->vos_len);
975 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
977 avio_wb32(pb, track->vos_len + 8);
978 ffio_wfourcc(pb, "glbl");
979 avio_write(pb, track->vos_data, track->vos_len);
980 return 8 + track->vos_len;
984 * Compute flags for 'lpcm' tag.
985 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
987 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
990 case AV_CODEC_ID_PCM_F32BE:
991 case AV_CODEC_ID_PCM_F64BE:
993 case AV_CODEC_ID_PCM_F32LE:
994 case AV_CODEC_ID_PCM_F64LE:
996 case AV_CODEC_ID_PCM_U8:
998 case AV_CODEC_ID_PCM_S16BE:
999 case AV_CODEC_ID_PCM_S24BE:
1000 case AV_CODEC_ID_PCM_S32BE:
1002 case AV_CODEC_ID_PCM_S8:
1003 case AV_CODEC_ID_PCM_S16LE:
1004 case AV_CODEC_ID_PCM_S24LE:
1005 case AV_CODEC_ID_PCM_S32LE:
1012 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
1016 if (cluster_idx >= track->entry)
1019 if (cluster_idx + 1 == track->entry)
1020 next_dts = track->track_duration + track->start_dts;
1022 next_dts = track->cluster[cluster_idx + 1].dts;
1024 next_dts -= track->cluster[cluster_idx].dts;
1026 av_assert0(next_dts >= 0);
1027 av_assert0(next_dts <= INT_MAX);
1032 static int get_samples_per_packet(MOVTrack *track)
1034 int i, first_duration;
1036 // return track->par->frame_size;
1038 /* use 1 for raw PCM */
1039 if (!track->audio_vbr)
1042 /* check to see if duration is constant for all clusters */
1045 first_duration = get_cluster_duration(track, 0);
1046 for (i = 1; i < track->entry; i++) {
1047 if (get_cluster_duration(track, i) != first_duration)
1050 return first_duration;
1053 static int mov_write_audio_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1055 int64_t pos = avio_tell(pb);
1057 uint32_t tag = track->tag;
1060 if (track->mode == MODE_MOV) {
1061 if (track->timescale > UINT16_MAX || !track->par->channels) {
1062 if (mov_get_lpcm_flags(track->par->codec_id))
1063 tag = AV_RL32("lpcm");
1065 } else if (track->audio_vbr || mov_pcm_le_gt16(track->par->codec_id) ||
1066 mov_pcm_be_gt16(track->par->codec_id) ||
1067 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
1068 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
1069 track->par->codec_id == AV_CODEC_ID_QDM2) {
1074 avio_wb32(pb, 0); /* size */
1075 if (mov->encryption_scheme != MOV_ENC_NONE) {
1076 ffio_wfourcc(pb, "enca");
1078 avio_wl32(pb, tag); // store it byteswapped
1080 avio_wb32(pb, 0); /* Reserved */
1081 avio_wb16(pb, 0); /* Reserved */
1082 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
1084 /* SoundDescription */
1085 avio_wb16(pb, version); /* Version */
1086 avio_wb16(pb, 0); /* Revision level */
1087 avio_wb32(pb, 0); /* Reserved */
1092 avio_wb16(pb, 0xfffe);
1094 avio_wb32(pb, 0x00010000);
1096 avio_wb64(pb, av_double2int(track->par->sample_rate));
1097 avio_wb32(pb, track->par->channels);
1098 avio_wb32(pb, 0x7F000000);
1099 avio_wb32(pb, av_get_bits_per_sample(track->par->codec_id));
1100 avio_wb32(pb, mov_get_lpcm_flags(track->par->codec_id));
1101 avio_wb32(pb, track->sample_size);
1102 avio_wb32(pb, get_samples_per_packet(track));
1104 if (track->mode == MODE_MOV) {
1105 avio_wb16(pb, track->par->channels);
1106 if (track->par->codec_id == AV_CODEC_ID_PCM_U8 ||
1107 track->par->codec_id == AV_CODEC_ID_PCM_S8)
1108 avio_wb16(pb, 8); /* bits per sample */
1109 else if (track->par->codec_id == AV_CODEC_ID_ADPCM_G726)
1110 avio_wb16(pb, track->par->bits_per_coded_sample);
1113 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
1114 } else { /* reserved for mp4/3gp */
1115 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
1116 track->par->codec_id == AV_CODEC_ID_ALAC ||
1117 track->par->codec_id == AV_CODEC_ID_OPUS) {
1118 avio_wb16(pb, track->par->channels);
1122 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
1123 track->par->codec_id == AV_CODEC_ID_ALAC) {
1124 avio_wb16(pb, track->par->bits_per_raw_sample);
1131 avio_wb16(pb, 0); /* packet size (= 0) */
1132 if (track->par->codec_id == AV_CODEC_ID_OPUS)
1133 avio_wb16(pb, 48000);
1134 else if (track->par->codec_id == AV_CODEC_ID_TRUEHD)
1135 avio_wb32(pb, track->par->sample_rate);
1137 avio_wb16(pb, track->par->sample_rate <= UINT16_MAX ?
1138 track->par->sample_rate : 0);
1140 if (track->par->codec_id != AV_CODEC_ID_TRUEHD)
1141 avio_wb16(pb, 0); /* Reserved */
1144 if (version == 1) { /* SoundDescription V1 extended info */
1145 if (mov_pcm_le_gt16(track->par->codec_id) ||
1146 mov_pcm_be_gt16(track->par->codec_id))
1147 avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
1149 avio_wb32(pb, track->par->frame_size); /* Samples per packet */
1150 avio_wb32(pb, track->sample_size / track->par->channels); /* Bytes per packet */
1151 avio_wb32(pb, track->sample_size); /* Bytes per frame */
1152 avio_wb32(pb, 2); /* Bytes per sample */
1155 if (track->mode == MODE_MOV &&
1156 (track->par->codec_id == AV_CODEC_ID_AAC ||
1157 track->par->codec_id == AV_CODEC_ID_AC3 ||
1158 track->par->codec_id == AV_CODEC_ID_EAC3 ||
1159 track->par->codec_id == AV_CODEC_ID_AMR_NB ||
1160 track->par->codec_id == AV_CODEC_ID_ALAC ||
1161 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
1162 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
1163 track->par->codec_id == AV_CODEC_ID_QDM2 ||
1164 (mov_pcm_le_gt16(track->par->codec_id) && version==1) ||
1165 (mov_pcm_be_gt16(track->par->codec_id) && version==1)))
1166 ret = mov_write_wave_tag(s, pb, track);
1167 else if (track->tag == MKTAG('m','p','4','a'))
1168 ret = mov_write_esds_tag(pb, track);
1169 else if (track->par->codec_id == AV_CODEC_ID_AMR_NB)
1170 ret = mov_write_amr_tag(pb, track);
1171 else if (track->par->codec_id == AV_CODEC_ID_AC3)
1172 ret = mov_write_ac3_tag(s, pb, track);
1173 else if (track->par->codec_id == AV_CODEC_ID_EAC3)
1174 ret = mov_write_eac3_tag(s, pb, track);
1175 else if (track->par->codec_id == AV_CODEC_ID_ALAC)
1176 ret = mov_write_extradata_tag(pb, track);
1177 else if (track->par->codec_id == AV_CODEC_ID_WMAPRO)
1178 ret = mov_write_wfex_tag(s, pb, track);
1179 else if (track->par->codec_id == AV_CODEC_ID_FLAC)
1180 ret = mov_write_dfla_tag(pb, track);
1181 else if (track->par->codec_id == AV_CODEC_ID_OPUS)
1182 ret = mov_write_dops_tag(s, pb, track);
1183 else if (track->par->codec_id == AV_CODEC_ID_TRUEHD)
1184 ret = mov_write_dmlp_tag(s, pb, track);
1185 else if (track->vos_len > 0)
1186 ret = mov_write_glbl_tag(pb, track);
1191 if (track->mode == MODE_MOV && track->par->codec_type == AVMEDIA_TYPE_AUDIO
1192 && ((ret = mov_write_chan_tag(s, pb, track)) < 0)) {
1196 if (mov->encryption_scheme != MOV_ENC_NONE
1197 && ((ret = ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid)) < 0)) {
1201 ret = update_size(pb, pos);
1205 static int mov_write_d263_tag(AVIOContext *pb)
1207 avio_wb32(pb, 0xf); /* size */
1208 ffio_wfourcc(pb, "d263");
1209 ffio_wfourcc(pb, "FFMP");
1210 avio_w8(pb, 0); /* decoder version */
1211 /* FIXME use AVCodecContext level/profile, when encoder will set values */
1212 avio_w8(pb, 0xa); /* level */
1213 avio_w8(pb, 0); /* profile */
1217 static int mov_write_av1c_tag(AVIOContext *pb, MOVTrack *track)
1219 int64_t pos = avio_tell(pb);
1222 ffio_wfourcc(pb, "av1C");
1223 ff_isom_write_av1c(pb, track->vos_data, track->vos_len);
1224 return update_size(pb, pos);
1227 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
1229 int64_t pos = avio_tell(pb);
1232 ffio_wfourcc(pb, "avcC");
1233 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
1234 return update_size(pb, pos);
1237 static int mov_write_vpcc_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
1239 int64_t pos = avio_tell(pb);
1242 ffio_wfourcc(pb, "vpcC");
1243 avio_w8(pb, 1); /* version */
1244 avio_wb24(pb, 0); /* flags */
1245 ff_isom_write_vpcc(s, pb, track->par);
1246 return update_size(pb, pos);
1249 static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
1251 int64_t pos = avio_tell(pb);
1254 ffio_wfourcc(pb, "hvcC");
1255 if (track->tag == MKTAG('h','v','c','1'))
1256 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 1);
1258 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
1259 return update_size(pb, pos);
1262 /* also used by all avid codecs (dv, imx, meridien) and their variants */
1263 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
1268 int display_width = track->par->width;
1270 if (track->vos_data && track->vos_len > 0x29) {
1271 if (ff_dnxhd_parse_header_prefix(track->vos_data) != 0) {
1272 /* looks like a DNxHD bit stream */
1273 interlaced = (track->vos_data[5] & 2);
1274 cid = AV_RB32(track->vos_data + 0x28);
1276 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream in vos_data\n");
1280 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream, vos_data too small\n");
1284 avio_wb32(pb, 24); /* size */
1285 ffio_wfourcc(pb, "ACLR");
1286 ffio_wfourcc(pb, "ACLR");
1287 ffio_wfourcc(pb, "0001");
1288 if (track->par->color_range == AVCOL_RANGE_MPEG || /* Legal range (16-235) */
1289 track->par->color_range == AVCOL_RANGE_UNSPECIFIED) {
1290 avio_wb32(pb, 1); /* Corresponds to 709 in official encoder */
1291 } else { /* Full range (0-255) */
1292 avio_wb32(pb, 2); /* Corresponds to RGB in official encoder */
1294 avio_wb32(pb, 0); /* unknown */
1296 if (track->tag == MKTAG('A','V','d','h')) {
1298 ffio_wfourcc(pb, "ADHR");
1299 ffio_wfourcc(pb, "0001");
1301 avio_wb32(pb, 0); /* unknown */
1302 avio_wb32(pb, 1); /* unknown */
1303 avio_wb32(pb, 0); /* unknown */
1304 avio_wb32(pb, 0); /* unknown */
1308 avio_wb32(pb, 24); /* size */
1309 ffio_wfourcc(pb, "APRG");
1310 ffio_wfourcc(pb, "APRG");
1311 ffio_wfourcc(pb, "0001");
1312 avio_wb32(pb, 1); /* unknown */
1313 avio_wb32(pb, 0); /* unknown */
1315 avio_wb32(pb, 120); /* size */
1316 ffio_wfourcc(pb, "ARES");
1317 ffio_wfourcc(pb, "ARES");
1318 ffio_wfourcc(pb, "0001");
1319 avio_wb32(pb, cid); /* dnxhd cid, some id ? */
1320 if ( track->par->sample_aspect_ratio.num > 0
1321 && track->par->sample_aspect_ratio.den > 0)
1322 display_width = display_width * track->par->sample_aspect_ratio.num / track->par->sample_aspect_ratio.den;
1323 avio_wb32(pb, display_width);
1324 /* values below are based on samples created with quicktime and avid codecs */
1326 avio_wb32(pb, track->par->height / 2);
1327 avio_wb32(pb, 2); /* unknown */
1328 avio_wb32(pb, 0); /* unknown */
1329 avio_wb32(pb, 4); /* unknown */
1331 avio_wb32(pb, track->par->height);
1332 avio_wb32(pb, 1); /* unknown */
1333 avio_wb32(pb, 0); /* unknown */
1334 if (track->par->height == 1080)
1335 avio_wb32(pb, 5); /* unknown */
1337 avio_wb32(pb, 6); /* unknown */
1340 for (i = 0; i < 10; i++)
1346 static int mov_write_dpxe_tag(AVIOContext *pb, MOVTrack *track)
1349 ffio_wfourcc(pb, "DpxE");
1350 if (track->par->extradata_size >= 12 &&
1351 !memcmp(&track->par->extradata[4], "DpxE", 4)) {
1352 avio_wb32(pb, track->par->extradata[11]);
1359 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
1363 if (track->par->width == 720) { /* SD */
1364 if (track->par->height == 480) { /* NTSC */
1365 if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
1366 else tag = MKTAG('d','v','c',' ');
1367 }else if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
1368 else if (track->par->format == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
1369 else tag = MKTAG('d','v','p','p');
1370 } else if (track->par->height == 720) { /* HD 720 line */
1371 if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q');
1372 else tag = MKTAG('d','v','h','p');
1373 } else if (track->par->height == 1080) { /* HD 1080 line */
1374 if (track->st->time_base.den == 25) tag = MKTAG('d','v','h','5');
1375 else tag = MKTAG('d','v','h','6');
1377 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
1384 static AVRational find_fps(AVFormatContext *s, AVStream *st)
1386 AVRational rate = st->avg_frame_rate;
1388 #if FF_API_LAVF_AVCTX
1389 FF_DISABLE_DEPRECATION_WARNINGS
1390 rate = av_inv_q(st->codec->time_base);
1391 if (av_timecode_check_frame_rate(rate) < 0) {
1392 av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
1393 rate.num, rate.den, st->avg_frame_rate.num, st->avg_frame_rate.den);
1394 rate = st->avg_frame_rate;
1396 FF_ENABLE_DEPRECATION_WARNINGS
1402 static int defined_frame_rate(AVFormatContext *s, AVStream *st)
1404 AVRational rational_framerate = find_fps(s, st);
1406 if (rational_framerate.den != 0)
1407 rate = av_q2d(rational_framerate);
1411 static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext *s, MOVTrack *track)
1413 int tag = track->par->codec_tag;
1414 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1415 AVStream *st = track->st;
1416 int rate = defined_frame_rate(s, st);
1419 tag = MKTAG('m', '2', 'v', '1'); //fallback tag
1421 if (track->par->format == AV_PIX_FMT_YUV420P) {
1422 if (track->par->width == 1280 && track->par->height == 720) {
1424 if (rate == 24) tag = MKTAG('x','d','v','4');
1425 else if (rate == 25) tag = MKTAG('x','d','v','5');
1426 else if (rate == 30) tag = MKTAG('x','d','v','1');
1427 else if (rate == 50) tag = MKTAG('x','d','v','a');
1428 else if (rate == 60) tag = MKTAG('x','d','v','9');
1430 } else if (track->par->width == 1440 && track->par->height == 1080) {
1432 if (rate == 24) tag = MKTAG('x','d','v','6');
1433 else if (rate == 25) tag = MKTAG('x','d','v','7');
1434 else if (rate == 30) tag = MKTAG('x','d','v','8');
1436 if (rate == 25) tag = MKTAG('x','d','v','3');
1437 else if (rate == 30) tag = MKTAG('x','d','v','2');
1439 } else if (track->par->width == 1920 && track->par->height == 1080) {
1441 if (rate == 24) tag = MKTAG('x','d','v','d');
1442 else if (rate == 25) tag = MKTAG('x','d','v','e');
1443 else if (rate == 30) tag = MKTAG('x','d','v','f');
1445 if (rate == 25) tag = MKTAG('x','d','v','c');
1446 else if (rate == 30) tag = MKTAG('x','d','v','b');
1449 } else if (track->par->format == AV_PIX_FMT_YUV422P) {
1450 if (track->par->width == 1280 && track->par->height == 720) {
1452 if (rate == 24) tag = MKTAG('x','d','5','4');
1453 else if (rate == 25) tag = MKTAG('x','d','5','5');
1454 else if (rate == 30) tag = MKTAG('x','d','5','1');
1455 else if (rate == 50) tag = MKTAG('x','d','5','a');
1456 else if (rate == 60) tag = MKTAG('x','d','5','9');
1458 } else if (track->par->width == 1920 && track->par->height == 1080) {
1460 if (rate == 24) tag = MKTAG('x','d','5','d');
1461 else if (rate == 25) tag = MKTAG('x','d','5','e');
1462 else if (rate == 30) tag = MKTAG('x','d','5','f');
1464 if (rate == 25) tag = MKTAG('x','d','5','c');
1465 else if (rate == 30) tag = MKTAG('x','d','5','b');
1473 static int mov_get_h264_codec_tag(AVFormatContext *s, MOVTrack *track)
1475 int tag = track->par->codec_tag;
1476 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1477 AVStream *st = track->st;
1478 int rate = defined_frame_rate(s, st);
1481 tag = MKTAG('a', 'v', 'c', 'i'); //fallback tag
1483 if (track->par->format == AV_PIX_FMT_YUV420P10) {
1484 if (track->par->width == 960 && track->par->height == 720) {
1486 if (rate == 24) tag = MKTAG('a','i','5','p');
1487 else if (rate == 25) tag = MKTAG('a','i','5','q');
1488 else if (rate == 30) tag = MKTAG('a','i','5','p');
1489 else if (rate == 50) tag = MKTAG('a','i','5','q');
1490 else if (rate == 60) tag = MKTAG('a','i','5','p');
1492 } else if (track->par->width == 1440 && track->par->height == 1080) {
1494 if (rate == 24) tag = MKTAG('a','i','5','3');
1495 else if (rate == 25) tag = MKTAG('a','i','5','2');
1496 else if (rate == 30) tag = MKTAG('a','i','5','3');
1498 if (rate == 50) tag = MKTAG('a','i','5','5');
1499 else if (rate == 60) tag = MKTAG('a','i','5','6');
1502 } else if (track->par->format == AV_PIX_FMT_YUV422P10) {
1503 if (track->par->width == 1280 && track->par->height == 720) {
1505 if (rate == 24) tag = MKTAG('a','i','1','p');
1506 else if (rate == 25) tag = MKTAG('a','i','1','q');
1507 else if (rate == 30) tag = MKTAG('a','i','1','p');
1508 else if (rate == 50) tag = MKTAG('a','i','1','q');
1509 else if (rate == 60) tag = MKTAG('a','i','1','p');
1511 } else if (track->par->width == 1920 && track->par->height == 1080) {
1513 if (rate == 24) tag = MKTAG('a','i','1','3');
1514 else if (rate == 25) tag = MKTAG('a','i','1','2');
1515 else if (rate == 30) tag = MKTAG('a','i','1','3');
1517 if (rate == 25) tag = MKTAG('a','i','1','5');
1518 else if (rate == 50) tag = MKTAG('a','i','1','5');
1519 else if (rate == 60) tag = MKTAG('a','i','1','6');
1521 } else if ( track->par->width == 4096 && track->par->height == 2160
1522 || track->par->width == 3840 && track->par->height == 2160
1523 || track->par->width == 2048 && track->par->height == 1080) {
1524 tag = MKTAG('a','i','v','x');
1531 static const struct {
1532 enum AVPixelFormat pix_fmt;
1535 } mov_pix_fmt_tags[] = {
1536 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
1537 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
1538 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
1539 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
1540 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
1541 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
1542 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
1543 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
1544 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
1545 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
1546 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
1547 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
1548 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
1549 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
1550 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
1553 static int mov_get_dnxhd_codec_tag(AVFormatContext *s, MOVTrack *track)
1555 int tag = MKTAG('A','V','d','n');
1556 if (track->par->profile != FF_PROFILE_UNKNOWN &&
1557 track->par->profile != FF_PROFILE_DNXHD)
1558 tag = MKTAG('A','V','d','h');
1562 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
1564 int tag = track->par->codec_tag;
1566 enum AVPixelFormat pix_fmt;
1568 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
1569 if (track->par->format == mov_pix_fmt_tags[i].pix_fmt) {
1570 tag = mov_pix_fmt_tags[i].tag;
1571 track->par->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
1572 if (track->par->codec_tag == mov_pix_fmt_tags[i].tag)
1577 pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_mov,
1578 track->par->bits_per_coded_sample);
1579 if (tag == MKTAG('r','a','w',' ') &&
1580 track->par->format != pix_fmt &&
1581 track->par->format != AV_PIX_FMT_GRAY8 &&
1582 track->par->format != AV_PIX_FMT_NONE)
1583 av_log(s, AV_LOG_ERROR, "%s rawvideo cannot be written to mov, output file will be unreadable\n",
1584 av_get_pix_fmt_name(track->par->format));
1588 static unsigned int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1590 unsigned int tag = track->par->codec_tag;
1592 if (!tag || (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
1593 (track->par->codec_id == AV_CODEC_ID_DVVIDEO ||
1594 track->par->codec_id == AV_CODEC_ID_RAWVIDEO ||
1595 track->par->codec_id == AV_CODEC_ID_H263 ||
1596 track->par->codec_id == AV_CODEC_ID_H264 ||
1597 track->par->codec_id == AV_CODEC_ID_DNXHD ||
1598 track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
1599 av_get_bits_per_sample(track->par->codec_id)))) { // pcm audio
1600 if (track->par->codec_id == AV_CODEC_ID_DVVIDEO)
1601 tag = mov_get_dv_codec_tag(s, track);
1602 else if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO)
1603 tag = mov_get_rawvideo_codec_tag(s, track);
1604 else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO)
1605 tag = mov_get_mpeg2_xdcam_codec_tag(s, track);
1606 else if (track->par->codec_id == AV_CODEC_ID_H264)
1607 tag = mov_get_h264_codec_tag(s, track);
1608 else if (track->par->codec_id == AV_CODEC_ID_DNXHD)
1609 tag = mov_get_dnxhd_codec_tag(s, track);
1610 else if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
1611 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->par->codec_id);
1612 if (!tag) { // if no mac fcc found, try with Microsoft tags
1613 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->par->codec_id);
1615 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
1616 "the file may be unplayable!\n");
1618 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
1619 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->par->codec_id);
1620 if (!tag) { // if no mac fcc found, try with Microsoft tags
1621 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->par->codec_id);
1623 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
1624 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
1625 "the file may be unplayable!\n");
1628 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
1629 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->par->codec_id);
1635 static const AVCodecTag codec_cover_image_tags[] = {
1636 { AV_CODEC_ID_MJPEG, 0xD },
1637 { AV_CODEC_ID_PNG, 0xE },
1638 { AV_CODEC_ID_BMP, 0x1B },
1639 { AV_CODEC_ID_NONE, 0 },
1642 static unsigned int validate_codec_tag(const AVCodecTag *const *tags,
1643 unsigned int tag, int codec_id)
1648 * Check that tag + id is in the table
1650 for (i = 0; tags && tags[i]; i++) {
1651 const AVCodecTag *codec_tags = tags[i];
1652 while (codec_tags->id != AV_CODEC_ID_NONE) {
1653 if (avpriv_toupper4(codec_tags->tag) == avpriv_toupper4(tag) &&
1654 codec_tags->id == codec_id)
1655 return codec_tags->tag;
1662 static unsigned int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
1664 if (is_cover_image(track->st))
1665 return ff_codec_get_tag(codec_cover_image_tags, track->par->codec_id);
1667 if (track->mode == MODE_IPOD)
1668 if (!av_match_ext(s->url, "m4a") &&
1669 !av_match_ext(s->url, "m4v") &&
1670 !av_match_ext(s->url, "m4b"))
1671 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
1672 "Quicktime/Ipod might not play the file\n");
1674 if (track->mode == MODE_MOV) {
1675 return mov_get_codec_tag(s, track);
1677 return validate_codec_tag(s->oformat->codec_tag, track->par->codec_tag,
1678 track->par->codec_id);
1681 /** Write uuid atom.
1682 * Needed to make file play in iPods running newest firmware
1683 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1685 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1688 ffio_wfourcc(pb, "uuid");
1689 avio_wb32(pb, 0x6b6840f2);
1690 avio_wb32(pb, 0x5f244fc5);
1691 avio_wb32(pb, 0xba39a51b);
1692 avio_wb32(pb, 0xcf0323f3);
1697 static const uint16_t fiel_data[] = {
1698 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1701 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track, int field_order)
1703 unsigned mov_field_order = 0;
1704 if (field_order < FF_ARRAY_ELEMS(fiel_data))
1705 mov_field_order = fiel_data[field_order];
1709 ffio_wfourcc(pb, "fiel");
1710 avio_wb16(pb, mov_field_order);
1714 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1716 int64_t pos = avio_tell(pb);
1717 avio_wb32(pb, 0); /* size */
1718 avio_wl32(pb, track->tag); // store it byteswapped
1719 avio_wb32(pb, 0); /* Reserved */
1720 avio_wb16(pb, 0); /* Reserved */
1721 avio_wb16(pb, 1); /* Data-reference index */
1723 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
1724 mov_write_esds_tag(pb, track);
1725 else if (track->par->extradata_size)
1726 avio_write(pb, track->par->extradata, track->par->extradata_size);
1728 return update_size(pb, pos);
1731 static int mov_write_st3d_tag(AVFormatContext *s, AVIOContext *pb, AVStereo3D *stereo_3d)
1735 if (stereo_3d->flags != 0) {
1736 av_log(s, AV_LOG_WARNING, "Unsupported stereo_3d flags %x. st3d not written.\n", stereo_3d->flags);
1740 switch (stereo_3d->type) {
1741 case AV_STEREO3D_2D:
1744 case AV_STEREO3D_TOPBOTTOM:
1747 case AV_STEREO3D_SIDEBYSIDE:
1751 av_log(s, AV_LOG_WARNING, "Unsupported stereo_3d type %s. st3d not written.\n", av_stereo3d_type_name(stereo_3d->type));
1754 avio_wb32(pb, 13); /* size */
1755 ffio_wfourcc(pb, "st3d");
1756 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1757 avio_w8(pb, stereo_mode);
1761 static int mov_write_sv3d_tag(AVFormatContext *s, AVIOContext *pb, AVSphericalMapping *spherical_mapping)
1763 int64_t sv3d_pos, svhd_pos, proj_pos;
1764 const char* metadata_source = s->flags & AVFMT_FLAG_BITEXACT ? "Lavf" : LIBAVFORMAT_IDENT;
1766 if (spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR &&
1767 spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR_TILE &&
1768 spherical_mapping->projection != AV_SPHERICAL_CUBEMAP) {
1769 av_log(s, AV_LOG_WARNING, "Unsupported projection %d. sv3d not written.\n", spherical_mapping->projection);
1773 sv3d_pos = avio_tell(pb);
1774 avio_wb32(pb, 0); /* size */
1775 ffio_wfourcc(pb, "sv3d");
1777 svhd_pos = avio_tell(pb);
1778 avio_wb32(pb, 0); /* size */
1779 ffio_wfourcc(pb, "svhd");
1780 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1781 avio_put_str(pb, metadata_source);
1782 update_size(pb, svhd_pos);
1784 proj_pos = avio_tell(pb);
1785 avio_wb32(pb, 0); /* size */
1786 ffio_wfourcc(pb, "proj");
1788 avio_wb32(pb, 24); /* size */
1789 ffio_wfourcc(pb, "prhd");
1790 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1791 avio_wb32(pb, spherical_mapping->yaw);
1792 avio_wb32(pb, spherical_mapping->pitch);
1793 avio_wb32(pb, spherical_mapping->roll);
1795 switch (spherical_mapping->projection) {
1796 case AV_SPHERICAL_EQUIRECTANGULAR:
1797 case AV_SPHERICAL_EQUIRECTANGULAR_TILE:
1798 avio_wb32(pb, 28); /* size */
1799 ffio_wfourcc(pb, "equi");
1800 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1801 avio_wb32(pb, spherical_mapping->bound_top);
1802 avio_wb32(pb, spherical_mapping->bound_bottom);
1803 avio_wb32(pb, spherical_mapping->bound_left);
1804 avio_wb32(pb, spherical_mapping->bound_right);
1806 case AV_SPHERICAL_CUBEMAP:
1807 avio_wb32(pb, 20); /* size */
1808 ffio_wfourcc(pb, "cbmp");
1809 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1810 avio_wb32(pb, 0); /* layout */
1811 avio_wb32(pb, spherical_mapping->padding); /* padding */
1814 update_size(pb, proj_pos);
1816 return update_size(pb, sv3d_pos);
1819 static int mov_write_clap_tag(AVIOContext *pb, MOVTrack *track)
1822 ffio_wfourcc(pb, "clap");
1823 avio_wb32(pb, track->par->width); /* apertureWidth_N */
1824 avio_wb32(pb, 1); /* apertureWidth_D (= 1) */
1825 avio_wb32(pb, track->height); /* apertureHeight_N */
1826 avio_wb32(pb, 1); /* apertureHeight_D (= 1) */
1827 avio_wb32(pb, 0); /* horizOff_N (= 0) */
1828 avio_wb32(pb, 1); /* horizOff_D (= 1) */
1829 avio_wb32(pb, 0); /* vertOff_N (= 0) */
1830 avio_wb32(pb, 1); /* vertOff_D (= 1) */
1834 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1837 av_reduce(&sar.num, &sar.den, track->par->sample_aspect_ratio.num,
1838 track->par->sample_aspect_ratio.den, INT_MAX);
1841 ffio_wfourcc(pb, "pasp");
1842 avio_wb32(pb, sar.num);
1843 avio_wb32(pb, sar.den);
1847 static int mov_write_gama_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track, double gamma)
1851 gamma = avpriv_get_gamma_from_trc(track->par->color_trc);
1853 av_log(s, AV_LOG_DEBUG, "gamma value %g\n", gamma);
1856 gama = (uint32_t)lrint((double)(1<<16) * gamma);
1857 av_log(s, AV_LOG_DEBUG, "writing gama value %"PRId32"\n", gama);
1859 av_assert0(track->mode == MODE_MOV);
1861 ffio_wfourcc(pb, "gama");
1862 avio_wb32(pb, gama);
1865 av_log(s, AV_LOG_WARNING, "gamma value unknown, unable to write gama atom\n");
1870 static int mov_write_colr_tag(AVIOContext *pb, MOVTrack *track, int prefer_icc)
1872 int64_t pos = avio_tell(pb);
1874 // Ref (MOV): https://developer.apple.com/library/mac/technotes/tn2162/_index.html#//apple_ref/doc/uid/DTS40013070-CH1-TNTAG9
1875 // Ref (MP4): ISO/IEC 14496-12:2012
1877 const uint8_t *icc_profile;
1878 int icc_profile_size;
1881 icc_profile = av_stream_get_side_data(track->st, AV_PKT_DATA_ICC_PROFILE, &icc_profile_size);
1884 avio_wb32(pb, 12 + icc_profile_size);
1885 ffio_wfourcc(pb, "colr");
1886 ffio_wfourcc(pb, "prof");
1887 avio_write(pb, icc_profile, icc_profile_size);
1888 return 12 + icc_profile_size;
1891 av_log(NULL, AV_LOG_INFO, "no ICC profile found, will write nclx/nclc colour info instead\n");
1895 /* We should only ever be called by MOV or MP4. */
1896 av_assert0(track->mode == MODE_MOV || track->mode == MODE_MP4);
1898 avio_wb32(pb, 0); /* size */
1899 ffio_wfourcc(pb, "colr");
1900 if (track->mode == MODE_MP4)
1901 ffio_wfourcc(pb, "nclx");
1903 ffio_wfourcc(pb, "nclc");
1904 // Do not try to guess the color info if it is AVCOL_PRI_UNSPECIFIED.
1905 // e.g., Dolby Vision for Apple devices should be set to AVCOL_PRI_UNSPECIFIED. See
1906 // https://developer.apple.com/av-foundation/High-Dynamic-Range-Metadata-for-Apple-Devices.pdf
1907 avio_wb16(pb, track->par->color_primaries);
1908 avio_wb16(pb, track->par->color_trc);
1909 avio_wb16(pb, track->par->color_space);
1910 if (track->mode == MODE_MP4) {
1911 int full_range = track->par->color_range == AVCOL_RANGE_JPEG;
1912 avio_w8(pb, full_range << 7);
1915 return update_size(pb, pos);
1918 static int mov_write_clli_tag(AVIOContext *pb, MOVTrack *track)
1920 const uint8_t *side_data;
1921 const AVContentLightMetadata *content_light_metadata;
1923 side_data = av_stream_get_side_data(track->st, AV_PKT_DATA_CONTENT_LIGHT_LEVEL, NULL);
1925 av_log(NULL, AV_LOG_VERBOSE, "Not writing 'clli' atom. No content light level info.\n");
1928 content_light_metadata = (const AVContentLightMetadata*)side_data;
1930 avio_wb32(pb, 12); // size
1931 ffio_wfourcc(pb, "clli");
1932 avio_wb16(pb, content_light_metadata->MaxCLL);
1933 avio_wb16(pb, content_light_metadata->MaxFALL);
1937 static void find_compressor(char * compressor_name, int len, MOVTrack *track)
1939 AVDictionaryEntry *encoder;
1940 int xdcam_res = (track->par->width == 1280 && track->par->height == 720)
1941 || (track->par->width == 1440 && track->par->height == 1080)
1942 || (track->par->width == 1920 && track->par->height == 1080);
1944 if (track->mode == MODE_MOV &&
1945 (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0))) {
1946 av_strlcpy(compressor_name, encoder->value, 32);
1947 } else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) {
1948 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1949 AVStream *st = track->st;
1950 int rate = defined_frame_rate(NULL, st);
1951 av_strlcatf(compressor_name, len, "XDCAM");
1952 if (track->par->format == AV_PIX_FMT_YUV422P) {
1953 av_strlcatf(compressor_name, len, " HD422");
1954 } else if(track->par->width == 1440) {
1955 av_strlcatf(compressor_name, len, " HD");
1957 av_strlcatf(compressor_name, len, " EX");
1959 av_strlcatf(compressor_name, len, " %d%c", track->par->height, interlaced ? 'i' : 'p');
1961 av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1));
1965 static int mov_write_video_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1967 int64_t pos = avio_tell(pb);
1968 char compressor_name[32] = { 0 };
1971 int uncompressed_ycbcr = ((track->par->codec_id == AV_CODEC_ID_RAWVIDEO && track->par->format == AV_PIX_FMT_UYVY422)
1972 || (track->par->codec_id == AV_CODEC_ID_RAWVIDEO && track->par->format == AV_PIX_FMT_YUYV422)
1973 || track->par->codec_id == AV_CODEC_ID_V308
1974 || track->par->codec_id == AV_CODEC_ID_V408
1975 || track->par->codec_id == AV_CODEC_ID_V410
1976 || track->par->codec_id == AV_CODEC_ID_V210);
1978 avio_wb32(pb, 0); /* size */
1979 if (mov->encryption_scheme != MOV_ENC_NONE) {
1980 ffio_wfourcc(pb, "encv");
1982 avio_wl32(pb, track->tag); // store it byteswapped
1984 avio_wb32(pb, 0); /* Reserved */
1985 avio_wb16(pb, 0); /* Reserved */
1986 avio_wb16(pb, 1); /* Data-reference index */
1988 if (uncompressed_ycbcr) {
1989 avio_wb16(pb, 2); /* Codec stream version */
1991 avio_wb16(pb, 0); /* Codec stream version */
1993 avio_wb16(pb, 0); /* Codec stream revision (=0) */
1994 if (track->mode == MODE_MOV) {
1995 ffio_wfourcc(pb, "FFMP"); /* Vendor */
1996 if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO || uncompressed_ycbcr) {
1997 avio_wb32(pb, 0); /* Temporal Quality */
1998 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
2000 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
2001 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
2004 avio_wb32(pb, 0); /* Reserved */
2005 avio_wb32(pb, 0); /* Reserved */
2006 avio_wb32(pb, 0); /* Reserved */
2008 avio_wb16(pb, track->par->width); /* Video width */
2009 avio_wb16(pb, track->height); /* Video height */
2010 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
2011 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
2012 avio_wb32(pb, 0); /* Data size (= 0) */
2013 avio_wb16(pb, 1); /* Frame count (= 1) */
2015 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
2016 find_compressor(compressor_name, 32, track);
2017 avio_w8(pb, strlen(compressor_name));
2018 avio_write(pb, compressor_name, 31);
2020 if (track->mode == MODE_MOV &&
2021 (track->par->codec_id == AV_CODEC_ID_V410 || track->par->codec_id == AV_CODEC_ID_V210))
2022 avio_wb16(pb, 0x18);
2023 else if (track->mode == MODE_MOV && track->par->bits_per_coded_sample)
2024 avio_wb16(pb, track->par->bits_per_coded_sample |
2025 (track->par->format == AV_PIX_FMT_GRAY8 ? 0x20 : 0));
2027 avio_wb16(pb, 0x18); /* Reserved */
2029 if (track->mode == MODE_MOV && track->par->format == AV_PIX_FMT_PAL8) {
2030 int pal_size = 1 << track->par->bits_per_coded_sample;
2032 avio_wb16(pb, 0); /* Color table ID */
2033 avio_wb32(pb, 0); /* Color table seed */
2034 avio_wb16(pb, 0x8000); /* Color table flags */
2035 avio_wb16(pb, pal_size - 1); /* Color table size (zero-relative) */
2036 for (i = 0; i < pal_size; i++) {
2037 uint32_t rgb = track->palette[i];
2038 uint16_t r = (rgb >> 16) & 0xff;
2039 uint16_t g = (rgb >> 8) & 0xff;
2040 uint16_t b = rgb & 0xff;
2042 avio_wb16(pb, (r << 8) | r);
2043 avio_wb16(pb, (g << 8) | g);
2044 avio_wb16(pb, (b << 8) | b);
2047 avio_wb16(pb, 0xffff); /* Reserved */
2049 if (track->tag == MKTAG('m','p','4','v'))
2050 mov_write_esds_tag(pb, track);
2051 else if (track->par->codec_id == AV_CODEC_ID_H263)
2052 mov_write_d263_tag(pb);
2053 else if (track->par->codec_id == AV_CODEC_ID_AVUI ||
2054 track->par->codec_id == AV_CODEC_ID_SVQ3) {
2055 mov_write_extradata_tag(pb, track);
2057 } else if (track->par->codec_id == AV_CODEC_ID_DNXHD) {
2058 mov_write_avid_tag(pb, track);
2060 } else if (track->par->codec_id == AV_CODEC_ID_HEVC)
2061 mov_write_hvcc_tag(pb, track);
2062 else if (track->par->codec_id == AV_CODEC_ID_H264 && !TAG_IS_AVCI(track->tag)) {
2063 mov_write_avcc_tag(pb, track);
2064 if (track->mode == MODE_IPOD)
2065 mov_write_uuid_tag_ipod(pb);
2066 } else if (track->par->codec_id == AV_CODEC_ID_VP9) {
2067 mov_write_vpcc_tag(mov->fc, pb, track);
2068 } else if (track->par->codec_id == AV_CODEC_ID_AV1) {
2069 mov_write_av1c_tag(pb, track);
2070 } else if (track->par->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
2071 mov_write_dvc1_tag(pb, track);
2072 else if (track->par->codec_id == AV_CODEC_ID_VP6F ||
2073 track->par->codec_id == AV_CODEC_ID_VP6A) {
2074 /* Don't write any potential extradata here - the cropping
2075 * is signalled via the normal width/height fields. */
2076 } else if (track->par->codec_id == AV_CODEC_ID_R10K) {
2077 if (track->par->codec_tag == MKTAG('R','1','0','k'))
2078 mov_write_dpxe_tag(pb, track);
2079 } else if (track->vos_len > 0)
2080 mov_write_glbl_tag(pb, track);
2082 if (track->par->codec_id != AV_CODEC_ID_H264 &&
2083 track->par->codec_id != AV_CODEC_ID_MPEG4 &&
2084 track->par->codec_id != AV_CODEC_ID_DNXHD) {
2085 int field_order = track->par->field_order;
2087 #if FF_API_LAVF_AVCTX
2088 FF_DISABLE_DEPRECATION_WARNINGS
2089 if (field_order != track->st->codec->field_order && track->st->codec->field_order != AV_FIELD_UNKNOWN)
2090 field_order = track->st->codec->field_order;
2091 FF_ENABLE_DEPRECATION_WARNINGS
2094 if (field_order != AV_FIELD_UNKNOWN)
2095 mov_write_fiel_tag(pb, track, field_order);
2098 if (mov->flags & FF_MOV_FLAG_WRITE_GAMA) {
2099 if (track->mode == MODE_MOV)
2100 mov_write_gama_tag(s, pb, track, mov->gamma);
2102 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'gama' atom. Format is not MOV.\n");
2104 if (mov->flags & FF_MOV_FLAG_WRITE_COLR) {
2105 if (track->mode == MODE_MOV || track->mode == MODE_MP4)
2106 mov_write_colr_tag(pb, track, mov->flags & FF_MOV_FLAG_PREFER_ICC);
2108 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'colr' atom. Format is not MOV or MP4.\n");
2110 if (track->mode == MODE_MOV || track->mode == MODE_MP4)
2111 mov_write_clli_tag(pb, track);
2113 if (track->mode == MODE_MP4 && mov->fc->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
2114 AVStereo3D* stereo_3d = (AVStereo3D*) av_stream_get_side_data(track->st, AV_PKT_DATA_STEREO3D, NULL);
2115 AVSphericalMapping* spherical_mapping = (AVSphericalMapping*)av_stream_get_side_data(track->st, AV_PKT_DATA_SPHERICAL, NULL);
2118 mov_write_st3d_tag(s, pb, stereo_3d);
2119 if (spherical_mapping)
2120 mov_write_sv3d_tag(mov->fc, pb, spherical_mapping);
2123 if (track->par->sample_aspect_ratio.den && track->par->sample_aspect_ratio.num) {
2124 mov_write_pasp_tag(pb, track);
2127 if (uncompressed_ycbcr){
2128 mov_write_clap_tag(pb, track);
2131 if (mov->encryption_scheme != MOV_ENC_NONE) {
2132 ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid);
2135 /* extra padding for avid stsd */
2136 /* https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/QTFFChap2/qtff2.html#//apple_ref/doc/uid/TP40000939-CH204-61112 */
2140 return update_size(pb, pos);
2143 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
2145 int64_t pos = avio_tell(pb);
2146 avio_wb32(pb, 0); /* size */
2147 ffio_wfourcc(pb, "rtp ");
2148 avio_wb32(pb, 0); /* Reserved */
2149 avio_wb16(pb, 0); /* Reserved */
2150 avio_wb16(pb, 1); /* Data-reference index */
2152 avio_wb16(pb, 1); /* Hint track version */
2153 avio_wb16(pb, 1); /* Highest compatible version */
2154 avio_wb32(pb, track->max_packet_size); /* Max packet size */
2156 avio_wb32(pb, 12); /* size */
2157 ffio_wfourcc(pb, "tims");
2158 avio_wb32(pb, track->timescale);
2160 return update_size(pb, pos);
2163 static int mov_write_source_reference_tag(AVIOContext *pb, MOVTrack *track, const char *reel_name)
2165 uint64_t str_size =strlen(reel_name);
2166 int64_t pos = avio_tell(pb);
2168 if (str_size >= UINT16_MAX){
2169 av_log(NULL, AV_LOG_ERROR, "reel_name length %"PRIu64" is too large\n", str_size);
2171 return AVERROR(EINVAL);
2174 avio_wb32(pb, 0); /* size */
2175 ffio_wfourcc(pb, "name"); /* Data format */
2176 avio_wb16(pb, str_size); /* string size */
2177 avio_wb16(pb, track->language); /* langcode */
2178 avio_write(pb, reel_name, str_size); /* reel name */
2179 return update_size(pb,pos);
2182 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
2184 int64_t pos = avio_tell(pb);
2188 AVDictionaryEntry *t = NULL;
2190 if (!track->st->avg_frame_rate.num || !track->st->avg_frame_rate.den) {
2191 #if FF_API_LAVF_AVCTX
2192 FF_DISABLE_DEPRECATION_WARNINGS
2193 frame_duration = av_rescale(track->timescale, track->st->codec->time_base.num, track->st->codec->time_base.den);
2194 nb_frames = ROUNDED_DIV(track->st->codec->time_base.den, track->st->codec->time_base.num);
2195 FF_ENABLE_DEPRECATION_WARNINGS
2197 av_log(NULL, AV_LOG_ERROR, "avg_frame_rate not set for tmcd track.\n");
2198 return AVERROR(EINVAL);
2201 frame_duration = av_rescale(track->timescale, track->st->avg_frame_rate.num, track->st->avg_frame_rate.den);
2202 nb_frames = ROUNDED_DIV(track->st->avg_frame_rate.den, track->st->avg_frame_rate.num);
2205 if (nb_frames > 255) {
2206 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
2207 return AVERROR(EINVAL);
2210 avio_wb32(pb, 0); /* size */
2211 ffio_wfourcc(pb, "tmcd"); /* Data format */
2212 avio_wb32(pb, 0); /* Reserved */
2213 avio_wb32(pb, 1); /* Data reference index */
2214 avio_wb32(pb, 0); /* Flags */
2215 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
2216 avio_wb32(pb, track->timescale); /* Timescale */
2217 avio_wb32(pb, frame_duration); /* Frame duration */
2218 avio_w8(pb, nb_frames); /* Number of frames */
2219 avio_w8(pb, 0); /* Reserved */
2221 t = av_dict_get(track->st->metadata, "reel_name", NULL, 0);
2222 if (t && utf8len(t->value) && track->mode != MODE_MP4)
2223 mov_write_source_reference_tag(pb, track, t->value);
2225 avio_wb16(pb, 0); /* zero size */
2228 avio_wb32(pb, 0); /* size */
2229 ffio_wfourcc(pb, "tmcd"); /* Data format */
2230 avio_wb32(pb, 0); /* Reserved */
2231 avio_wb32(pb, 1); /* Data reference index */
2232 if (track->par->extradata_size)
2233 avio_write(pb, track->par->extradata, track->par->extradata_size);
2235 return update_size(pb, pos);
2238 static int mov_write_gpmd_tag(AVIOContext *pb, const MOVTrack *track)
2240 int64_t pos = avio_tell(pb);
2241 avio_wb32(pb, 0); /* size */
2242 ffio_wfourcc(pb, "gpmd");
2243 avio_wb32(pb, 0); /* Reserved */
2244 avio_wb16(pb, 0); /* Reserved */
2245 avio_wb16(pb, 1); /* Data-reference index */
2246 avio_wb32(pb, 0); /* Reserved */
2247 return update_size(pb, pos);
2250 static int mov_write_stsd_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2252 int64_t pos = avio_tell(pb);
2254 avio_wb32(pb, 0); /* size */
2255 ffio_wfourcc(pb, "stsd");
2256 avio_wb32(pb, 0); /* version & flags */
2257 avio_wb32(pb, 1); /* entry count */
2258 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2259 ret = mov_write_video_tag(s, pb, mov, track);
2260 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2261 ret = mov_write_audio_tag(s, pb, mov, track);
2262 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
2263 ret = mov_write_subtitle_tag(pb, track);
2264 else if (track->par->codec_tag == MKTAG('r','t','p',' '))
2265 ret = mov_write_rtp_tag(pb, track);
2266 else if (track->par->codec_tag == MKTAG('t','m','c','d'))
2267 ret = mov_write_tmcd_tag(pb, track);
2268 else if (track->par->codec_tag == MKTAG('g','p','m','d'))
2269 ret = mov_write_gpmd_tag(pb, track);
2274 return update_size(pb, pos);
2277 static int mov_write_ctts_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
2279 MOVMuxContext *mov = s->priv_data;
2280 MOVStts *ctts_entries;
2281 uint32_t entries = 0;
2285 ctts_entries = av_malloc_array((track->entry + 1), sizeof(*ctts_entries)); /* worst case */
2287 return AVERROR(ENOMEM);
2288 ctts_entries[0].count = 1;
2289 ctts_entries[0].duration = track->cluster[0].cts;
2290 for (i = 1; i < track->entry; i++) {
2291 if (track->cluster[i].cts == ctts_entries[entries].duration) {
2292 ctts_entries[entries].count++; /* compress */
2295 ctts_entries[entries].duration = track->cluster[i].cts;
2296 ctts_entries[entries].count = 1;
2299 entries++; /* last one */
2300 atom_size = 16 + (entries * 8);
2301 avio_wb32(pb, atom_size); /* size */
2302 ffio_wfourcc(pb, "ctts");
2303 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
2304 avio_w8(pb, 1); /* version */
2306 avio_w8(pb, 0); /* version */
2307 avio_wb24(pb, 0); /* flags */
2308 avio_wb32(pb, entries); /* entry count */
2309 for (i = 0; i < entries; i++) {
2310 avio_wb32(pb, ctts_entries[i].count);
2311 avio_wb32(pb, ctts_entries[i].duration);
2313 av_free(ctts_entries);
2317 /* Time to sample atom */
2318 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
2320 MOVStts *stts_entries = NULL;
2321 uint32_t entries = -1;
2325 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
2326 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
2328 return AVERROR(ENOMEM);
2329 stts_entries[0].count = track->sample_count;
2330 stts_entries[0].duration = 1;
2334 stts_entries = av_malloc_array(track->entry, sizeof(*stts_entries)); /* worst case */
2336 return AVERROR(ENOMEM);
2338 for (i = 0; i < track->entry; i++) {
2339 int duration = get_cluster_duration(track, i);
2340 if (i && duration == stts_entries[entries].duration) {
2341 stts_entries[entries].count++; /* compress */
2344 stts_entries[entries].duration = duration;
2345 stts_entries[entries].count = 1;
2348 entries++; /* last one */
2350 atom_size = 16 + (entries * 8);
2351 avio_wb32(pb, atom_size); /* size */
2352 ffio_wfourcc(pb, "stts");
2353 avio_wb32(pb, 0); /* version & flags */
2354 avio_wb32(pb, entries); /* entry count */
2355 for (i = 0; i < entries; i++) {
2356 avio_wb32(pb, stts_entries[i].count);
2357 avio_wb32(pb, stts_entries[i].duration);
2359 av_free(stts_entries);
2363 static int mov_write_dref_tag(AVIOContext *pb)
2365 avio_wb32(pb, 28); /* size */
2366 ffio_wfourcc(pb, "dref");
2367 avio_wb32(pb, 0); /* version & flags */
2368 avio_wb32(pb, 1); /* entry count */
2370 avio_wb32(pb, 0xc); /* size */
2371 //FIXME add the alis and rsrc atom
2372 ffio_wfourcc(pb, "url ");
2373 avio_wb32(pb, 1); /* version & flags */
2378 static int mov_preroll_write_stbl_atoms(AVIOContext *pb, MOVTrack *track)
2382 int16_t roll_distance;
2383 int group_description_index;
2386 struct sgpd_entry *sgpd_entries = NULL;
2391 const int OPUS_SEEK_PREROLL_MS = 80;
2392 int roll_samples = av_rescale_q(OPUS_SEEK_PREROLL_MS,
2393 (AVRational){1, 1000},
2394 (AVRational){1, 48000});
2399 sgpd_entries = av_malloc_array(track->entry, sizeof(*sgpd_entries));
2401 return AVERROR(ENOMEM);
2403 av_assert0(track->par->codec_id == AV_CODEC_ID_OPUS || track->par->codec_id == AV_CODEC_ID_AAC);
2405 if (track->par->codec_id == AV_CODEC_ID_OPUS) {
2406 for (i = 0; i < track->entry; i++) {
2407 int roll_samples_remaining = roll_samples;
2409 for (j = i - 1; j >= 0; j--) {
2410 roll_samples_remaining -= get_cluster_duration(track, j);
2412 if (roll_samples_remaining <= 0)
2415 /* We don't have enough preceeding samples to compute a valid
2416 roll_distance here, so this sample can't be independently
2418 if (roll_samples_remaining > 0)
2420 /* Verify distance is a maximum of 32 (2.5ms) packets. */
2422 return AVERROR_INVALIDDATA;
2423 if (i && distance == sgpd_entries[entries].roll_distance) {
2424 sgpd_entries[entries].count++;
2427 sgpd_entries[entries].count = 1;
2428 sgpd_entries[entries].roll_distance = distance;
2429 sgpd_entries[entries].group_description_index = distance ? ++group : 0;
2434 sgpd_entries[entries].count = track->sample_count;
2435 sgpd_entries[entries].roll_distance = 1;
2436 sgpd_entries[entries].group_description_index = ++group;
2441 av_free(sgpd_entries);
2445 /* Write sgpd tag */
2446 avio_wb32(pb, 24 + (group * 2)); /* size */
2447 ffio_wfourcc(pb, "sgpd");
2448 avio_wb32(pb, 1 << 24); /* fullbox */
2449 ffio_wfourcc(pb, "roll");
2450 avio_wb32(pb, 2); /* default_length */
2451 avio_wb32(pb, group); /* entry_count */
2452 for (i = 0; i < entries; i++) {
2453 if (sgpd_entries[i].group_description_index) {
2454 avio_wb16(pb, -sgpd_entries[i].roll_distance); /* roll_distance */
2458 /* Write sbgp tag */
2459 avio_wb32(pb, 20 + (entries * 8)); /* size */
2460 ffio_wfourcc(pb, "sbgp");
2461 avio_wb32(pb, 0); /* fullbox */
2462 ffio_wfourcc(pb, "roll");
2463 avio_wb32(pb, entries); /* entry_count */
2464 for (i = 0; i < entries; i++) {
2465 avio_wb32(pb, sgpd_entries[i].count); /* sample_count */
2466 avio_wb32(pb, sgpd_entries[i].group_description_index); /* group_description_index */
2469 av_free(sgpd_entries);
2473 static int mov_write_stbl_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2475 int64_t pos = avio_tell(pb);
2478 avio_wb32(pb, 0); /* size */
2479 ffio_wfourcc(pb, "stbl");
2480 if ((ret = mov_write_stsd_tag(s, pb, mov, track)) < 0)
2482 mov_write_stts_tag(pb, track);
2483 if ((track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2484 track->par->codec_id == AV_CODEC_ID_TRUEHD ||
2485 track->par->codec_id == AV_CODEC_ID_MPEGH_3D_AUDIO ||
2486 track->par->codec_tag == MKTAG('r','t','p',' ')) &&
2487 track->has_keyframes && track->has_keyframes < track->entry)
2488 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
2489 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO && track->has_disposable)
2490 mov_write_sdtp_tag(pb, track);
2491 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
2492 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
2493 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO &&
2494 track->flags & MOV_TRACK_CTTS && track->entry) {
2496 if ((ret = mov_write_ctts_tag(s, pb, track)) < 0)
2499 mov_write_stsc_tag(pb, track);
2500 mov_write_stsz_tag(pb, track);
2501 mov_write_stco_tag(pb, track);
2502 if (track->cenc.aes_ctr) {
2503 ff_mov_cenc_write_stbl_atoms(&track->cenc, pb);
2505 if (track->par->codec_id == AV_CODEC_ID_OPUS || track->par->codec_id == AV_CODEC_ID_AAC) {
2506 mov_preroll_write_stbl_atoms(pb, track);
2508 return update_size(pb, pos);
2511 static int mov_write_dinf_tag(AVIOContext *pb)
2513 int64_t pos = avio_tell(pb);
2514 avio_wb32(pb, 0); /* size */
2515 ffio_wfourcc(pb, "dinf");
2516 mov_write_dref_tag(pb);
2517 return update_size(pb, pos);
2520 static int mov_write_nmhd_tag(AVIOContext *pb)
2523 ffio_wfourcc(pb, "nmhd");
2528 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
2530 int64_t pos = avio_tell(pb);
2531 const char *font = "Lucida Grande";
2532 avio_wb32(pb, 0); /* size */
2533 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
2534 avio_wb32(pb, 0); /* version & flags */
2535 avio_wb16(pb, 0); /* text font */
2536 avio_wb16(pb, 0); /* text face */
2537 avio_wb16(pb, 12); /* text size */
2538 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
2539 avio_wb16(pb, 0x0000); /* text color (red) */
2540 avio_wb16(pb, 0x0000); /* text color (green) */
2541 avio_wb16(pb, 0x0000); /* text color (blue) */
2542 avio_wb16(pb, 0xffff); /* background color (red) */
2543 avio_wb16(pb, 0xffff); /* background color (green) */
2544 avio_wb16(pb, 0xffff); /* background color (blue) */
2545 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
2546 avio_write(pb, font, strlen(font)); /* font name */
2547 return update_size(pb, pos);
2550 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
2552 int64_t pos = avio_tell(pb);
2553 avio_wb32(pb, 0); /* size */
2554 ffio_wfourcc(pb, "gmhd");
2555 avio_wb32(pb, 0x18); /* gmin size */
2556 ffio_wfourcc(pb, "gmin");/* generic media info */
2557 avio_wb32(pb, 0); /* version & flags */
2558 avio_wb16(pb, 0x40); /* graphics mode = */
2559 avio_wb16(pb, 0x8000); /* opColor (r?) */
2560 avio_wb16(pb, 0x8000); /* opColor (g?) */
2561 avio_wb16(pb, 0x8000); /* opColor (b?) */
2562 avio_wb16(pb, 0); /* balance */
2563 avio_wb16(pb, 0); /* reserved */
2566 * This special text atom is required for
2567 * Apple Quicktime chapters. The contents
2568 * don't appear to be documented, so the
2569 * bytes are copied verbatim.
2571 if (track->tag != MKTAG('c','6','0','8')) {
2572 avio_wb32(pb, 0x2C); /* size */
2573 ffio_wfourcc(pb, "text");
2574 avio_wb16(pb, 0x01);
2575 avio_wb32(pb, 0x00);
2576 avio_wb32(pb, 0x00);
2577 avio_wb32(pb, 0x00);
2578 avio_wb32(pb, 0x01);
2579 avio_wb32(pb, 0x00);
2580 avio_wb32(pb, 0x00);
2581 avio_wb32(pb, 0x00);
2582 avio_wb32(pb, 0x00004000);
2583 avio_wb16(pb, 0x0000);
2586 if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2587 int64_t tmcd_pos = avio_tell(pb);
2588 avio_wb32(pb, 0); /* size */
2589 ffio_wfourcc(pb, "tmcd");
2590 mov_write_tcmi_tag(pb, track);
2591 update_size(pb, tmcd_pos);
2592 } else if (track->par->codec_tag == MKTAG('g','p','m','d')) {
2593 int64_t gpmd_pos = avio_tell(pb);
2594 avio_wb32(pb, 0); /* size */
2595 ffio_wfourcc(pb, "gpmd");
2596 avio_wb32(pb, 0); /* version */
2597 update_size(pb, gpmd_pos);
2599 return update_size(pb, pos);
2602 static int mov_write_smhd_tag(AVIOContext *pb)
2604 avio_wb32(pb, 16); /* size */
2605 ffio_wfourcc(pb, "smhd");
2606 avio_wb32(pb, 0); /* version & flags */
2607 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
2608 avio_wb16(pb, 0); /* reserved */
2612 static int mov_write_vmhd_tag(AVIOContext *pb)
2614 avio_wb32(pb, 0x14); /* size (always 0x14) */
2615 ffio_wfourcc(pb, "vmhd");
2616 avio_wb32(pb, 0x01); /* version & flags */
2617 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
2621 static int is_clcp_track(MOVTrack *track)
2623 return track->tag == MKTAG('c','7','0','8') ||
2624 track->tag == MKTAG('c','6','0','8');
2627 static int mov_write_hdlr_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
2629 MOVMuxContext *mov = s->priv_data;
2630 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
2631 int64_t pos = avio_tell(pb);
2635 descr = "DataHandler";
2638 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
2639 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
2641 descr = "VideoHandler";
2642 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
2644 descr = "SoundHandler";
2645 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2646 if (is_clcp_track(track)) {
2648 descr = "ClosedCaptionHandler";
2650 if (track->tag == MKTAG('t','x','3','g')) {
2652 } else if (track->tag == MKTAG('m','p','4','s')) {
2657 descr = "SubtitleHandler";
2659 } else if (track->par->codec_tag == MKTAG('r','t','p',' ')) {
2661 descr = "HintHandler";
2662 } else if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2664 descr = "TimeCodeHandler";
2665 } else if (track->par->codec_tag == MKTAG('g','p','m','d')) {
2667 descr = "GoPro MET"; // GoPro Metadata
2669 av_log(s, AV_LOG_WARNING,
2670 "Unknown hldr_type for %s, writing dummy values\n",
2671 av_fourcc2str(track->par->codec_tag));
2674 // hdlr.name is used by some players to identify the content title
2675 // of the track. So if an alternate handler description is
2676 // specified, use it.
2677 AVDictionaryEntry *t;
2678 t = av_dict_get(track->st->metadata, "handler_name", NULL, 0);
2679 if (t && utf8len(t->value))
2684 if (mov->empty_hdlr_name) /* expressly allowed by QTFF and not prohibited in ISO 14496-12 8.4.3.3 */
2687 avio_wb32(pb, 0); /* size */
2688 ffio_wfourcc(pb, "hdlr");
2689 avio_wb32(pb, 0); /* Version & flags */
2690 avio_write(pb, hdlr, 4); /* handler */
2691 ffio_wfourcc(pb, hdlr_type); /* handler type */
2692 avio_wb32(pb, 0); /* reserved */
2693 avio_wb32(pb, 0); /* reserved */
2694 avio_wb32(pb, 0); /* reserved */
2695 if (!track || track->mode == MODE_MOV)
2696 avio_w8(pb, strlen(descr)); /* pascal string */
2697 avio_write(pb, descr, strlen(descr)); /* handler description */
2698 if (track && track->mode != MODE_MOV)
2699 avio_w8(pb, 0); /* c string */
2700 return update_size(pb, pos);
2703 static int mov_write_hmhd_tag(AVIOContext *pb)
2705 /* This atom must be present, but leaving the values at zero
2706 * seems harmless. */
2707 avio_wb32(pb, 28); /* size */
2708 ffio_wfourcc(pb, "hmhd");
2709 avio_wb32(pb, 0); /* version, flags */
2710 avio_wb16(pb, 0); /* maxPDUsize */
2711 avio_wb16(pb, 0); /* avgPDUsize */
2712 avio_wb32(pb, 0); /* maxbitrate */
2713 avio_wb32(pb, 0); /* avgbitrate */
2714 avio_wb32(pb, 0); /* reserved */
2718 static int mov_write_minf_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2720 int64_t pos = avio_tell(pb);
2723 avio_wb32(pb, 0); /* size */
2724 ffio_wfourcc(pb, "minf");
2725 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2726 mov_write_vmhd_tag(pb);
2727 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2728 mov_write_smhd_tag(pb);
2729 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2730 if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
2731 mov_write_gmhd_tag(pb, track);
2733 mov_write_nmhd_tag(pb);
2735 } else if (track->tag == MKTAG('r','t','p',' ')) {
2736 mov_write_hmhd_tag(pb);
2737 } else if (track->tag == MKTAG('t','m','c','d')) {
2738 if (track->mode != MODE_MOV)
2739 mov_write_nmhd_tag(pb);
2741 mov_write_gmhd_tag(pb, track);
2742 } else if (track->tag == MKTAG('g','p','m','d')) {
2743 mov_write_gmhd_tag(pb, track);
2745 if (track->mode == MODE_MOV) /* ISO 14496-12 8.4.3.1 specifies hdlr only within mdia or meta boxes */
2746 mov_write_hdlr_tag(s, pb, NULL);
2747 mov_write_dinf_tag(pb);
2748 if ((ret = mov_write_stbl_tag(s, pb, mov, track)) < 0)
2750 return update_size(pb, pos);
2753 static int64_t calc_pts_duration(MOVMuxContext *mov, MOVTrack *track)
2755 if (track->tag == MKTAG('t','m','c','d')) {
2756 // tmcd tracks gets track_duration set in mov_write_moov_tag from
2757 // another track's duration, while the end_pts may be left at zero.
2758 // Calculate the pts duration for that track instead.
2759 return av_rescale(calc_pts_duration(mov, &mov->tracks[track->src_track]),
2760 track->timescale, mov->tracks[track->src_track].timescale);
2762 if (track->end_pts != AV_NOPTS_VALUE &&
2763 track->start_dts != AV_NOPTS_VALUE &&
2764 track->start_cts != AV_NOPTS_VALUE) {
2765 return track->end_pts - (track->start_dts + track->start_cts);
2767 return track->track_duration;
2770 static int mov_write_mdhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2773 int64_t duration = calc_pts_duration(mov, track);
2774 int version = duration < INT32_MAX ? 0 : 1;
2776 if (track->mode == MODE_ISM)
2779 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
2780 ffio_wfourcc(pb, "mdhd");
2781 avio_w8(pb, version);
2782 avio_wb24(pb, 0); /* flags */
2784 avio_wb64(pb, track->time);
2785 avio_wb64(pb, track->time);
2787 avio_wb32(pb, track->time); /* creation time */
2788 avio_wb32(pb, track->time); /* modification time */
2790 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
2791 if (!track->entry && mov->mode == MODE_ISM)
2792 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2793 else if (!track->entry)
2794 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2796 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration); /* duration */
2797 avio_wb16(pb, track->language); /* language */
2798 avio_wb16(pb, 0); /* reserved (quality) */
2800 if (version != 0 && track->mode == MODE_MOV) {
2801 av_log(NULL, AV_LOG_ERROR,
2802 "FATAL error, file duration too long for timebase, this file will not be\n"
2803 "playable with QuickTime. Choose a different timebase with "
2804 "-video_track_timescale or a different container format\n");
2810 static int mov_write_mdia_tag(AVFormatContext *s, AVIOContext *pb,
2811 MOVMuxContext *mov, MOVTrack *track)
2813 int64_t pos = avio_tell(pb);
2816 avio_wb32(pb, 0); /* size */
2817 ffio_wfourcc(pb, "mdia");
2818 mov_write_mdhd_tag(pb, mov, track);
2819 mov_write_hdlr_tag(s, pb, track);
2820 if ((ret = mov_write_minf_tag(s, pb, mov, track)) < 0)
2822 return update_size(pb, pos);
2825 /* transformation matrix
2829 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
2830 int16_t d, int16_t tx, int16_t ty)
2832 avio_wb32(pb, a << 16); /* 16.16 format */
2833 avio_wb32(pb, b << 16); /* 16.16 format */
2834 avio_wb32(pb, 0); /* u in 2.30 format */
2835 avio_wb32(pb, c << 16); /* 16.16 format */
2836 avio_wb32(pb, d << 16); /* 16.16 format */
2837 avio_wb32(pb, 0); /* v in 2.30 format */
2838 avio_wb32(pb, tx << 16); /* 16.16 format */
2839 avio_wb32(pb, ty << 16); /* 16.16 format */
2840 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
2843 static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2844 MOVTrack *track, AVStream *st)
2846 int64_t duration = av_rescale_rnd(calc_pts_duration(mov, track),
2847 MOV_TIMESCALE, track->timescale,
2849 int version = duration < INT32_MAX ? 0 : 1;
2850 int flags = MOV_TKHD_FLAG_IN_MOVIE;
2854 uint32_t *display_matrix = NULL;
2855 int display_matrix_size, i;
2858 if (mov->per_stream_grouping)
2861 group = st->codecpar->codec_type;
2863 display_matrix = (uint32_t*)av_stream_get_side_data(st, AV_PKT_DATA_DISPLAYMATRIX,
2864 &display_matrix_size);
2865 if (display_matrix && display_matrix_size < 9 * sizeof(*display_matrix))
2866 display_matrix = NULL;
2869 if (track->flags & MOV_TRACK_ENABLED)
2870 flags |= MOV_TKHD_FLAG_ENABLED;
2872 if (track->mode == MODE_ISM)
2875 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
2876 ffio_wfourcc(pb, "tkhd");
2877 avio_w8(pb, version);
2878 avio_wb24(pb, flags);
2880 avio_wb64(pb, track->time);
2881 avio_wb64(pb, track->time);
2883 avio_wb32(pb, track->time); /* creation time */
2884 avio_wb32(pb, track->time); /* modification time */
2886 avio_wb32(pb, track->track_id); /* track-id */
2887 avio_wb32(pb, 0); /* reserved */
2888 if (!track->entry && mov->mode == MODE_ISM)
2889 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2890 else if (!track->entry)
2891 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2893 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
2895 avio_wb32(pb, 0); /* reserved */
2896 avio_wb32(pb, 0); /* reserved */
2897 avio_wb16(pb, 0); /* layer */
2898 avio_wb16(pb, group); /* alternate group) */
2899 /* Volume, only for audio */
2900 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2901 avio_wb16(pb, 0x0100);
2904 avio_wb16(pb, 0); /* reserved */
2906 /* Matrix structure */
2907 #if FF_API_OLD_ROTATE_API
2908 if (st && st->metadata) {
2909 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
2910 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
2913 if (display_matrix) {
2914 for (i = 0; i < 9; i++)
2915 avio_wb32(pb, display_matrix[i]);
2916 #if FF_API_OLD_ROTATE_API
2917 } else if (rotation == 90) {
2918 write_matrix(pb, 0, 1, -1, 0, track->par->height, 0);
2919 } else if (rotation == 180) {
2920 write_matrix(pb, -1, 0, 0, -1, track->par->width, track->par->height);
2921 } else if (rotation == 270) {
2922 write_matrix(pb, 0, -1, 1, 0, 0, track->par->width);
2925 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2927 /* Track width and height, for visual only */
2928 if (st && (track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2929 track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
2930 int64_t track_width_1616;
2931 if (track->mode == MODE_MOV) {
2932 track_width_1616 = track->par->width * 0x10000ULL;
2934 track_width_1616 = av_rescale(st->sample_aspect_ratio.num,
2935 track->par->width * 0x10000LL,
2936 st->sample_aspect_ratio.den);
2937 if (!track_width_1616 ||
2938 track->height != track->par->height ||
2939 track_width_1616 > UINT32_MAX)
2940 track_width_1616 = track->par->width * 0x10000ULL;
2942 if (track_width_1616 > UINT32_MAX) {
2943 av_log(mov->fc, AV_LOG_WARNING, "track width is too large\n");
2944 track_width_1616 = 0;
2946 avio_wb32(pb, track_width_1616);
2947 if (track->height > 0xFFFF) {
2948 av_log(mov->fc, AV_LOG_WARNING, "track height is too large\n");
2951 avio_wb32(pb, track->height * 0x10000U);
2959 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
2961 int32_t width = av_rescale(track->par->sample_aspect_ratio.num, track->par->width,
2962 track->par->sample_aspect_ratio.den);
2964 int64_t pos = avio_tell(pb);
2966 avio_wb32(pb, 0); /* size */
2967 ffio_wfourcc(pb, "tapt");
2970 ffio_wfourcc(pb, "clef");
2972 avio_wb32(pb, width << 16);
2973 avio_wb32(pb, track->par->height << 16);
2976 ffio_wfourcc(pb, "prof");
2978 avio_wb32(pb, width << 16);
2979 avio_wb32(pb, track->par->height << 16);
2982 ffio_wfourcc(pb, "enof");
2984 avio_wb32(pb, track->par->width << 16);
2985 avio_wb32(pb, track->par->height << 16);
2987 return update_size(pb, pos);
2990 // This box seems important for the psp playback ... without it the movie seems to hang
2991 static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov,
2994 int64_t duration = av_rescale_rnd(calc_pts_duration(mov, track),
2995 MOV_TIMESCALE, track->timescale,
2997 int version = duration < INT32_MAX ? 0 : 1;
2998 int entry_size, entry_count, size;
2999 int64_t delay, start_ct = track->start_cts;
3000 int64_t start_dts = track->start_dts;
3003 if (start_dts != track->cluster[0].dts || start_ct != track->cluster[0].cts) {
3005 av_log(mov->fc, AV_LOG_DEBUG,
3006 "EDTS using dts:%"PRId64" cts:%d instead of dts:%"PRId64" cts:%"PRId64" tid:%d\n",
3007 track->cluster[0].dts, track->cluster[0].cts,
3008 start_dts, start_ct, track->track_id);
3009 start_dts = track->cluster[0].dts;
3010 start_ct = track->cluster[0].cts;
3014 delay = av_rescale_rnd(start_dts + start_ct, MOV_TIMESCALE,
3015 track->timescale, AV_ROUND_DOWN);
3016 version |= delay < INT32_MAX ? 0 : 1;
3018 entry_size = (version == 1) ? 20 : 12;
3019 entry_count = 1 + (delay > 0);
3020 size = 24 + entry_count * entry_size;
3022 /* write the atom data */
3023 avio_wb32(pb, size);
3024 ffio_wfourcc(pb, "edts");
3025 avio_wb32(pb, size - 8);
3026 ffio_wfourcc(pb, "elst");
3027 avio_w8(pb, version);
3028 avio_wb24(pb, 0); /* flags */
3030 avio_wb32(pb, entry_count);
3031 if (delay > 0) { /* add an empty edit to delay presentation */
3032 /* In the positive delay case, the delay includes the cts
3033 * offset, and the second edit list entry below trims out
3034 * the same amount from the actual content. This makes sure
3035 * that the offset last sample is included in the edit
3036 * list duration as well. */
3038 avio_wb64(pb, delay);
3041 avio_wb32(pb, delay);
3044 avio_wb32(pb, 0x00010000);
3046 /* Avoid accidentally ending up with start_ct = -1 which has got a
3047 * special meaning. Normally start_ct should end up positive or zero
3048 * here, but use FFMIN in case dts is a small positive integer
3049 * rounded to 0 when represented in MOV_TIMESCALE units. */
3050 av_assert0(av_rescale_rnd(start_dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
3051 start_ct = -FFMIN(start_dts, 0);
3052 /* Note, this delay is calculated from the pts of the first sample,
3053 * ensuring that we don't reduce the duration for cases with
3058 /* For fragmented files, we don't know the full length yet. Setting
3059 * duration to 0 allows us to only specify the offset, including
3060 * the rest of the content (from all future fragments) without specifying
3061 * an explicit duration. */
3062 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
3067 avio_wb64(pb, duration);
3068 avio_wb64(pb, start_ct);
3070 avio_wb32(pb, duration);
3071 avio_wb32(pb, start_ct);
3073 avio_wb32(pb, 0x00010000);
3077 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
3079 avio_wb32(pb, 20); // size
3080 ffio_wfourcc(pb, "tref");
3081 avio_wb32(pb, 12); // size (subatom)
3082 avio_wl32(pb, track->tref_tag);
3083 avio_wb32(pb, track->tref_id);
3087 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
3088 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
3090 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
3091 ffio_wfourcc(pb, "uuid");
3092 ffio_wfourcc(pb, "USMT");
3093 avio_wb32(pb, 0x21d24fce);
3094 avio_wb32(pb, 0xbb88695c);
3095 avio_wb32(pb, 0xfac9c740);
3096 avio_wb32(pb, 0x1c); // another size here!
3097 ffio_wfourcc(pb, "MTDT");
3098 avio_wb32(pb, 0x00010012);
3099 avio_wb32(pb, 0x0a);
3100 avio_wb32(pb, 0x55c40000);
3106 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
3108 AVFormatContext *ctx = track->rtp_ctx;
3109 char buf[1000] = "";
3112 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
3113 NULL, NULL, 0, 0, ctx);
3114 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
3117 avio_wb32(pb, len + 24);
3118 ffio_wfourcc(pb, "udta");
3119 avio_wb32(pb, len + 16);
3120 ffio_wfourcc(pb, "hnti");
3121 avio_wb32(pb, len + 8);
3122 ffio_wfourcc(pb, "sdp ");
3123 avio_write(pb, buf, len);
3127 static int mov_write_track_metadata(AVIOContext *pb, AVStream *st,
3128 const char *tag, const char *str)
3130 int64_t pos = avio_tell(pb);
3131 AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
3132 if (!t || !utf8len(t->value))
3135 avio_wb32(pb, 0); /* size */
3136 ffio_wfourcc(pb, tag); /* type */
3137 avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
3138 return update_size(pb, pos);
3141 static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3144 AVIOContext *pb_buf;
3151 ret = avio_open_dyn_buf(&pb_buf);
3155 if (mov->mode & (MODE_MP4|MODE_MOV))
3156 mov_write_track_metadata(pb_buf, st, "name", "title");
3158 if ((size = avio_get_dyn_buf(pb_buf, &buf)) > 0) {
3159 avio_wb32(pb, size + 8);
3160 ffio_wfourcc(pb, "udta");
3161 avio_write(pb, buf, size);
3163 ffio_free_dyn_buf(&pb_buf);
3168 static int mov_write_trak_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov,
3169 MOVTrack *track, AVStream *st)
3171 int64_t pos = avio_tell(pb);
3172 int entry_backup = track->entry;
3173 int chunk_backup = track->chunkCount;
3176 /* If we want to have an empty moov, but some samples already have been
3177 * buffered (delay_moov), pretend that no samples have been written yet. */
3178 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV)
3179 track->chunkCount = track->entry = 0;
3181 avio_wb32(pb, 0); /* size */
3182 ffio_wfourcc(pb, "trak");
3183 mov_write_tkhd_tag(pb, mov, track, st);
3185 av_assert2(mov->use_editlist >= 0);
3187 if (track->start_dts != AV_NOPTS_VALUE) {
3188 if (mov->use_editlist)
3189 mov_write_edts_tag(pb, mov, track); // PSP Movies and several other cases require edts box
3190 else if ((track->entry && track->cluster[0].dts) || track->mode == MODE_PSP || is_clcp_track(track))
3191 av_log(mov->fc, AV_LOG_WARNING,
3192 "Not writing any edit list even though one would have been required\n");
3195 if (track->tref_tag)
3196 mov_write_tref_tag(pb, track);
3198 if ((ret = mov_write_mdia_tag(s, pb, mov, track)) < 0)
3200 if (track->mode == MODE_PSP)
3201 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
3202 if (track->tag == MKTAG('r','t','p',' '))
3203 mov_write_udta_sdp(pb, track);
3204 if (track->mode == MODE_MOV) {
3205 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
3206 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
3207 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio) {
3208 mov_write_tapt_tag(pb, track);
3211 if (is_clcp_track(track) && st->sample_aspect_ratio.num) {
3212 mov_write_tapt_tag(pb, track);
3215 mov_write_track_udta_tag(pb, mov, st);
3216 track->entry = entry_backup;
3217 track->chunkCount = chunk_backup;
3218 return update_size(pb, pos);
3221 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
3223 int i, has_audio = 0, has_video = 0;
3224 int64_t pos = avio_tell(pb);
3225 int audio_profile = mov->iods_audio_profile;
3226 int video_profile = mov->iods_video_profile;
3227 for (i = 0; i < mov->nb_streams; i++) {
3228 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3229 has_audio |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_AUDIO;
3230 has_video |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_VIDEO;
3233 if (audio_profile < 0)
3234 audio_profile = 0xFF - has_audio;
3235 if (video_profile < 0)
3236 video_profile = 0xFF - has_video;
3237 avio_wb32(pb, 0x0); /* size */
3238 ffio_wfourcc(pb, "iods");
3239 avio_wb32(pb, 0); /* version & flags */
3240 put_descr(pb, 0x10, 7);
3241 avio_wb16(pb, 0x004f);
3244 avio_w8(pb, audio_profile);
3245 avio_w8(pb, video_profile);
3247 return update_size(pb, pos);
3250 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
3252 avio_wb32(pb, 0x20); /* size */
3253 ffio_wfourcc(pb, "trex");
3254 avio_wb32(pb, 0); /* version & flags */
3255 avio_wb32(pb, track->track_id); /* track ID */
3256 avio_wb32(pb, 1); /* default sample description index */
3257 avio_wb32(pb, 0); /* default sample duration */
3258 avio_wb32(pb, 0); /* default sample size */
3259 avio_wb32(pb, 0); /* default sample flags */
3263 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
3265 int64_t pos = avio_tell(pb);
3267 avio_wb32(pb, 0x0); /* size */
3268 ffio_wfourcc(pb, "mvex");
3269 for (i = 0; i < mov->nb_streams; i++)
3270 mov_write_trex_tag(pb, &mov->tracks[i]);
3271 return update_size(pb, pos);
3274 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
3276 int max_track_id = 1, i;
3277 int64_t max_track_len = 0;
3280 for (i = 0; i < mov->nb_streams; i++) {
3281 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
3282 int64_t max_track_len_temp = av_rescale_rnd(
3283 calc_pts_duration(mov, &mov->tracks[i]),
3285 mov->tracks[i].timescale,
3287 if (max_track_len < max_track_len_temp)
3288 max_track_len = max_track_len_temp;
3289 if (max_track_id < mov->tracks[i].track_id)
3290 max_track_id = mov->tracks[i].track_id;
3293 /* If using delay_moov, make sure the output is the same as if no
3294 * samples had been written yet. */
3295 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3300 version = max_track_len < UINT32_MAX ? 0 : 1;
3301 avio_wb32(pb, version == 1 ? 120 : 108); /* size */
3303 ffio_wfourcc(pb, "mvhd");
3304 avio_w8(pb, version);
3305 avio_wb24(pb, 0); /* flags */
3307 avio_wb64(pb, mov->time);
3308 avio_wb64(pb, mov->time);
3310 avio_wb32(pb, mov->time); /* creation time */
3311 avio_wb32(pb, mov->time); /* modification time */
3313 avio_wb32(pb, MOV_TIMESCALE);
3314 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
3316 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
3317 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
3318 avio_wb16(pb, 0); /* reserved */
3319 avio_wb32(pb, 0); /* reserved */
3320 avio_wb32(pb, 0); /* reserved */
3322 /* Matrix structure */
3323 write_matrix(pb, 1, 0, 0, 1, 0, 0);
3325 avio_wb32(pb, 0); /* reserved (preview time) */
3326 avio_wb32(pb, 0); /* reserved (preview duration) */
3327 avio_wb32(pb, 0); /* reserved (poster time) */
3328 avio_wb32(pb, 0); /* reserved (selection time) */
3329 avio_wb32(pb, 0); /* reserved (selection duration) */
3330 avio_wb32(pb, 0); /* reserved (current time) */
3331 avio_wb32(pb, max_track_id + 1); /* Next track id */
3335 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3338 avio_wb32(pb, 33); /* size */
3339 ffio_wfourcc(pb, "hdlr");
3342 ffio_wfourcc(pb, "mdir");
3343 ffio_wfourcc(pb, "appl");
3350 /* helper function to write a data tag with the specified string as data */
3351 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
3354 int size = 16 + strlen(data);
3355 avio_wb32(pb, size); /* size */
3356 ffio_wfourcc(pb, "data");
3359 avio_write(pb, data, strlen(data));
3363 lang = ff_mov_iso639_to_lang("und", 1);
3364 avio_wb16(pb, strlen(data)); /* string length */
3365 avio_wb16(pb, lang);
3366 avio_write(pb, data, strlen(data));
3367 return strlen(data) + 4;
3371 static int mov_write_string_tag(AVIOContext *pb, const char *name,
3372 const char *value, int lang, int long_style)
3375 if (value && value[0]) {
3376 int64_t pos = avio_tell(pb);
3377 avio_wb32(pb, 0); /* size */
3378 ffio_wfourcc(pb, name);
3379 mov_write_string_data_tag(pb, value, lang, long_style);
3380 size = update_size(pb, pos);
3385 static AVDictionaryEntry *get_metadata_lang(AVFormatContext *s,
3386 const char *tag, int *lang)
3389 AVDictionaryEntry *t, *t2 = NULL;
3394 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3397 len = strlen(t->key);
3398 snprintf(tag2, sizeof(tag2), "%s-", tag);
3399 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
3400 len2 = strlen(t2->key);
3401 if (len2 == len + 4 && !strcmp(t->value, t2->value)
3402 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
3410 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
3411 const char *name, const char *tag,
3415 AVDictionaryEntry *t = get_metadata_lang(s, tag, &lang);
3418 return mov_write_string_tag(pb, name, t->value, lang, long_style);
3421 /* iTunes bpm number */
3422 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
3424 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
3425 int size = 0, tmpo = t ? atoi(t->value) : 0;
3428 avio_wb32(pb, size);
3429 ffio_wfourcc(pb, "tmpo");
3430 avio_wb32(pb, size-8); /* size */
3431 ffio_wfourcc(pb, "data");
3432 avio_wb32(pb, 0x15); //type specifier
3434 avio_wb16(pb, tmpo); // data
3439 /* 3GPP TS 26.244 */
3440 static int mov_write_loci_tag(AVFormatContext *s, AVIOContext *pb)
3443 int64_t pos = avio_tell(pb);
3444 double latitude, longitude, altitude;
3445 int32_t latitude_fix, longitude_fix, altitude_fix;
3446 AVDictionaryEntry *t = get_metadata_lang(s, "location", &lang);
3447 const char *ptr, *place = "";
3449 static const char *astronomical_body = "earth";
3454 longitude = strtod(ptr, &end);
3456 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3460 latitude = strtod(ptr, &end);
3462 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3466 altitude = strtod(ptr, &end);
3467 /* If no altitude was present, the default 0 should be fine */
3471 latitude_fix = (int32_t) ((1 << 16) * latitude);
3472 longitude_fix = (int32_t) ((1 << 16) * longitude);
3473 altitude_fix = (int32_t) ((1 << 16) * altitude);
3475 avio_wb32(pb, 0); /* size */
3476 ffio_wfourcc(pb, "loci"); /* type */
3477 avio_wb32(pb, 0); /* version + flags */
3478 avio_wb16(pb, lang);
3479 avio_write(pb, place, strlen(place) + 1);
3480 avio_w8(pb, 0); /* role of place (0 == shooting location, 1 == real location, 2 == fictional location) */
3481 avio_wb32(pb, latitude_fix);
3482 avio_wb32(pb, longitude_fix);
3483 avio_wb32(pb, altitude_fix);
3484 avio_write(pb, astronomical_body, strlen(astronomical_body) + 1);
3485 avio_w8(pb, 0); /* additional notes, null terminated string */
3487 return update_size(pb, pos);
3490 /* iTunes track or disc number */
3491 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
3492 AVFormatContext *s, int disc)
3494 AVDictionaryEntry *t = av_dict_get(s->metadata,
3495 disc ? "disc" : "track",
3497 int size = 0, track = t ? atoi(t->value) : 0;
3500 char *slash = strchr(t->value, '/');
3502 tracks = atoi(slash + 1);
3503 avio_wb32(pb, 32); /* size */
3504 ffio_wfourcc(pb, disc ? "disk" : "trkn");
3505 avio_wb32(pb, 24); /* size */
3506 ffio_wfourcc(pb, "data");
3507 avio_wb32(pb, 0); // 8 bytes empty
3509 avio_wb16(pb, 0); // empty
3510 avio_wb16(pb, track); // track / disc number
3511 avio_wb16(pb, tracks); // total track / disc number
3512 avio_wb16(pb, 0); // empty
3518 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
3519 const char *name, const char *tag,
3522 AVDictionaryEntry *t = NULL;
3524 int size = 24 + len;
3526 if (len != 1 && len != 4)
3529 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3531 num = atoi(t->value);
3533 avio_wb32(pb, size);
3534 ffio_wfourcc(pb, name);
3535 avio_wb32(pb, size - 8);
3536 ffio_wfourcc(pb, "data");
3537 avio_wb32(pb, 0x15);
3539 if (len==4) avio_wb32(pb, num);
3540 else avio_w8 (pb, num);
3545 static int mov_write_covr(AVIOContext *pb, AVFormatContext *s)
3547 MOVMuxContext *mov = s->priv_data;
3551 for (i = 0; i < s->nb_streams; i++) {
3552 MOVTrack *trk = &mov->tracks[i];
3554 if (!is_cover_image(trk->st) || trk->cover_image.size <= 0)
3558 pos = avio_tell(pb);
3560 ffio_wfourcc(pb, "covr");
3562 avio_wb32(pb, 16 + trk->cover_image.size);
3563 ffio_wfourcc(pb, "data");
3564 avio_wb32(pb, trk->tag);
3566 avio_write(pb, trk->cover_image.data, trk->cover_image.size);
3569 return pos ? update_size(pb, pos) : 0;
3572 /* iTunes meta data list */
3573 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3576 int64_t pos = avio_tell(pb);
3577 avio_wb32(pb, 0); /* size */
3578 ffio_wfourcc(pb, "ilst");
3579 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
3580 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
3581 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
3582 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
3583 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
3584 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
3585 if (!mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1)) {
3586 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3587 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
3589 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
3590 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
3591 mov_write_string_metadata(s, pb, "cprt", "copyright", 1);
3592 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
3593 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
3594 mov_write_string_metadata(s, pb, "desc", "description",1);
3595 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
3596 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
3597 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
3598 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
3599 mov_write_string_metadata(s, pb, "keyw", "keywords" , 1);
3600 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
3601 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
3602 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
3603 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
3604 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
3605 mov_write_int8_metadata (s, pb, "cpil", "compilation", 1);
3606 mov_write_covr(pb, s);
3607 mov_write_trkn_tag(pb, mov, s, 0); // track number
3608 mov_write_trkn_tag(pb, mov, s, 1); // disc number
3609 mov_write_tmpo_tag(pb, s);
3610 return update_size(pb, pos);
3613 static int mov_write_mdta_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3616 avio_wb32(pb, 33); /* size */
3617 ffio_wfourcc(pb, "hdlr");
3620 ffio_wfourcc(pb, "mdta");
3628 static int mov_write_mdta_keys_tag(AVIOContext *pb, MOVMuxContext *mov,
3631 AVDictionaryEntry *t = NULL;
3632 int64_t pos = avio_tell(pb);
3633 int64_t curpos, entry_pos;
3636 avio_wb32(pb, 0); /* size */
3637 ffio_wfourcc(pb, "keys");
3639 entry_pos = avio_tell(pb);
3640 avio_wb32(pb, 0); /* entry count */
3642 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3643 avio_wb32(pb, strlen(t->key) + 8);
3644 ffio_wfourcc(pb, "mdta");
3645 avio_write(pb, t->key, strlen(t->key));
3648 curpos = avio_tell(pb);
3649 avio_seek(pb, entry_pos, SEEK_SET);
3650 avio_wb32(pb, count); // rewrite entry count
3651 avio_seek(pb, curpos, SEEK_SET);
3653 return update_size(pb, pos);
3656 static int mov_write_mdta_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3659 AVDictionaryEntry *t = NULL;
3660 int64_t pos = avio_tell(pb);
3661 int count = 1; /* keys are 1-index based */
3663 avio_wb32(pb, 0); /* size */
3664 ffio_wfourcc(pb, "ilst");
3666 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3667 int64_t entry_pos = avio_tell(pb);
3668 avio_wb32(pb, 0); /* size */
3669 avio_wb32(pb, count); /* key */
3670 mov_write_string_data_tag(pb, t->value, 0, 1);
3671 update_size(pb, entry_pos);
3674 return update_size(pb, pos);
3677 /* meta data tags */
3678 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
3682 int64_t pos = avio_tell(pb);
3683 avio_wb32(pb, 0); /* size */
3684 ffio_wfourcc(pb, "meta");
3686 if (mov->flags & FF_MOV_FLAG_USE_MDTA) {
3687 mov_write_mdta_hdlr_tag(pb, mov, s);
3688 mov_write_mdta_keys_tag(pb, mov, s);
3689 mov_write_mdta_ilst_tag(pb, mov, s);
3692 /* iTunes metadata tag */
3693 mov_write_itunes_hdlr_tag(pb, mov, s);
3694 mov_write_ilst_tag(pb, mov, s);
3696 size = update_size(pb, pos);
3700 static int mov_write_raw_metadata_tag(AVFormatContext *s, AVIOContext *pb,
3701 const char *name, const char *key)
3704 AVDictionaryEntry *t;
3706 if (!(t = av_dict_get(s->metadata, key, NULL, 0)))
3709 len = strlen(t->value);
3712 avio_wb32(pb, size);
3713 ffio_wfourcc(pb, name);
3714 avio_write(pb, t->value, len);
3720 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
3724 GET_UTF8(val, *b++, return -1;)
3727 avio_wb16(pb, 0x00);
3731 static uint16_t language_code(const char *str)
3733 return (((str[0] - 0x60) & 0x1F) << 10) +
3734 (((str[1] - 0x60) & 0x1F) << 5) +
3735 (( str[2] - 0x60) & 0x1F);
3738 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
3739 const char *tag, const char *str)
3741 int64_t pos = avio_tell(pb);
3742 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
3743 if (!t || !utf8len(t->value))
3745 avio_wb32(pb, 0); /* size */
3746 ffio_wfourcc(pb, tag); /* type */
3747 avio_wb32(pb, 0); /* version + flags */
3748 if (!strcmp(tag, "yrrc"))
3749 avio_wb16(pb, atoi(t->value));
3751 avio_wb16(pb, language_code("eng")); /* language */
3752 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
3753 if (!strcmp(tag, "albm") &&
3754 (t = av_dict_get(s->metadata, "track", NULL, 0)))
3755 avio_w8(pb, atoi(t->value));
3757 return update_size(pb, pos);
3760 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
3762 int64_t pos = avio_tell(pb);
3763 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
3765 avio_wb32(pb, 0); // size
3766 ffio_wfourcc(pb, "chpl");
3767 avio_wb32(pb, 0x01000000); // version + flags
3768 avio_wb32(pb, 0); // unknown
3769 avio_w8(pb, nb_chapters);
3771 for (i = 0; i < nb_chapters; i++) {
3772 AVChapter *c = s->chapters[i];
3773 AVDictionaryEntry *t;
3774 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
3776 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3777 int len = FFMIN(strlen(t->value), 255);
3779 avio_write(pb, t->value, len);
3783 return update_size(pb, pos);
3786 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3789 AVIOContext *pb_buf;
3793 ret = avio_open_dyn_buf(&pb_buf);
3797 if (mov->mode & MODE_3GP) {
3798 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
3799 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
3800 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
3801 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
3802 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
3803 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
3804 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
3805 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
3806 mov_write_loci_tag(s, pb_buf);
3807 } 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
3808 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
3809 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
3810 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
3811 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
3812 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
3813 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
3814 // currently ignored by mov.c
3815 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
3816 // add support for libquicktime, this atom is also actually read by mov.c
3817 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
3818 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
3819 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
3820 mov_write_string_metadata(s, pb_buf, "\251mak", "make", 0);
3821 mov_write_string_metadata(s, pb_buf, "\251mod", "model", 0);
3822 mov_write_string_metadata(s, pb_buf, "\251xyz", "location", 0);
3823 mov_write_string_metadata(s, pb_buf, "\251key", "keywords", 0);
3824 mov_write_raw_metadata_tag(s, pb_buf, "XMP_", "xmp");
3826 /* iTunes meta data */
3827 mov_write_meta_tag(pb_buf, mov, s);
3828 mov_write_loci_tag(s, pb_buf);
3831 if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
3832 mov_write_chpl_tag(pb_buf, s);
3834 if ((size = avio_get_dyn_buf(pb_buf, &buf)) > 0) {
3835 avio_wb32(pb, size + 8);
3836 ffio_wfourcc(pb, "udta");
3837 avio_write(pb, buf, size);
3839 ffio_free_dyn_buf(&pb_buf);
3844 static void mov_write_psp_udta_tag(AVIOContext *pb,
3845 const char *str, const char *lang, int type)
3847 int len = utf8len(str) + 1;
3850 avio_wb16(pb, len * 2 + 10); /* size */
3851 avio_wb32(pb, type); /* type */
3852 avio_wb16(pb, language_code(lang)); /* language */
3853 avio_wb16(pb, 0x01); /* ? */
3854 ascii_to_wc(pb, str);
3857 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
3859 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
3863 pos = avio_tell(pb);
3864 avio_wb32(pb, 0); /* size placeholder*/
3865 ffio_wfourcc(pb, "uuid");
3866 ffio_wfourcc(pb, "USMT");
3867 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
3868 avio_wb32(pb, 0xbb88695c);
3869 avio_wb32(pb, 0xfac9c740);
3871 pos2 = avio_tell(pb);
3872 avio_wb32(pb, 0); /* size placeholder*/
3873 ffio_wfourcc(pb, "MTDT");
3877 avio_wb16(pb, 0x0C); /* size */
3878 avio_wb32(pb, 0x0B); /* type */
3879 avio_wb16(pb, language_code("und")); /* language */
3880 avio_wb16(pb, 0x0); /* ? */
3881 avio_wb16(pb, 0x021C); /* data */
3883 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3884 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
3885 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
3886 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
3888 update_size(pb, pos2);
3889 return update_size(pb, pos);
3895 static void build_chunks(MOVTrack *trk)
3898 MOVIentry *chunk = &trk->cluster[0];
3899 uint64_t chunkSize = chunk->size;
3900 chunk->chunkNum = 1;
3901 if (trk->chunkCount)
3903 trk->chunkCount = 1;
3904 for (i = 1; i<trk->entry; i++){
3905 if (chunk->pos + chunkSize == trk->cluster[i].pos &&
3906 chunkSize + trk->cluster[i].size < (1<<20)){
3907 chunkSize += trk->cluster[i].size;
3908 chunk->samples_in_chunk += trk->cluster[i].entries;
3910 trk->cluster[i].chunkNum = chunk->chunkNum+1;
3911 chunk=&trk->cluster[i];
3912 chunkSize = chunk->size;
3919 * Assign track ids. If option "use_stream_ids_as_track_ids" is set,
3920 * the stream ids are used as track ids.
3922 * This assumes mov->tracks and s->streams are in the same order and
3923 * there are no gaps in either of them (so mov->tracks[n] refers to
3926 * As an exception, there can be more entries in
3927 * s->streams than in mov->tracks, in which case new track ids are
3928 * generated (starting after the largest found stream id).
3930 static int mov_setup_track_ids(MOVMuxContext *mov, AVFormatContext *s)
3934 if (mov->track_ids_ok)
3937 if (mov->use_stream_ids_as_track_ids) {
3938 int next_generated_track_id = 0;
3939 for (i = 0; i < s->nb_streams; i++) {
3940 if (s->streams[i]->id > next_generated_track_id)
3941 next_generated_track_id = s->streams[i]->id;
3944 for (i = 0; i < mov->nb_streams; i++) {
3945 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3948 mov->tracks[i].track_id = i >= s->nb_streams ? ++next_generated_track_id : s->streams[i]->id;
3951 for (i = 0; i < mov->nb_streams; i++) {
3952 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3955 mov->tracks[i].track_id = i + 1;
3959 mov->track_ids_ok = 1;
3964 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
3968 int64_t pos = avio_tell(pb);
3969 avio_wb32(pb, 0); /* size placeholder*/
3970 ffio_wfourcc(pb, "moov");
3972 mov_setup_track_ids(mov, s);
3974 for (i = 0; i < mov->nb_streams; i++) {
3975 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3978 mov->tracks[i].time = mov->time;
3980 if (mov->tracks[i].entry)
3981 build_chunks(&mov->tracks[i]);
3984 if (mov->chapter_track)
3985 for (i = 0; i < s->nb_streams; i++) {
3986 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
3987 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
3989 for (i = 0; i < mov->nb_streams; i++) {
3990 MOVTrack *track = &mov->tracks[i];
3991 if (track->tag == MKTAG('r','t','p',' ')) {
3992 track->tref_tag = MKTAG('h','i','n','t');
3993 track->tref_id = mov->tracks[track->src_track].track_id;
3994 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
3995 int * fallback, size;
3996 fallback = (int*)av_stream_get_side_data(track->st,
3997 AV_PKT_DATA_FALLBACK_TRACK,
3999 if (fallback != NULL && size == sizeof(int)) {
4000 if (*fallback >= 0 && *fallback < mov->nb_streams) {
4001 track->tref_tag = MKTAG('f','a','l','l');
4002 track->tref_id = mov->tracks[*fallback].track_id;
4007 for (i = 0; i < mov->nb_streams; i++) {
4008 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
4009 int src_trk = mov->tracks[i].src_track;
4010 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
4011 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
4012 //src_trk may have a different timescale than the tmcd track
4013 mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration,
4014 mov->tracks[i].timescale,
4015 mov->tracks[src_trk].timescale);
4019 mov_write_mvhd_tag(pb, mov);
4020 if (mov->mode != MODE_MOV && !mov->iods_skip)
4021 mov_write_iods_tag(pb, mov);
4022 for (i = 0; i < mov->nb_streams; i++) {
4023 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
4024 int ret = mov_write_trak_tag(s, pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
4029 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
4030 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
4032 if (mov->mode == MODE_PSP)
4033 mov_write_uuidusmt_tag(pb, s);
4035 mov_write_udta_tag(pb, mov, s);
4037 return update_size(pb, pos);
4040 static void param_write_int(AVIOContext *pb, const char *name, int value)
4042 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
4045 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
4047 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
4050 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
4053 len = FFMIN(sizeof(buf) / 2 - 1, len);
4054 ff_data_to_hex(buf, value, len, 0);
4055 buf[2 * len] = '\0';
4056 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
4059 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
4061 int64_t pos = avio_tell(pb);
4063 int64_t manifest_bit_rate = 0;
4064 AVCPBProperties *props = NULL;
4066 static const uint8_t uuid[] = {
4067 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
4068 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
4072 ffio_wfourcc(pb, "uuid");
4073 avio_write(pb, uuid, sizeof(uuid));
4076 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
4077 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
4078 avio_printf(pb, "<head>\n");
4079 if (!(mov->fc->flags & AVFMT_FLAG_BITEXACT))
4080 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
4082 avio_printf(pb, "</head>\n");
4083 avio_printf(pb, "<body>\n");
4084 avio_printf(pb, "<switch>\n");
4086 mov_setup_track_ids(mov, s);
4088 for (i = 0; i < mov->nb_streams; i++) {
4089 MOVTrack *track = &mov->tracks[i];
4091 int track_id = track->track_id;
4092 char track_name_buf[32] = { 0 };
4094 AVStream *st = track->st;
4095 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
4097 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO && !is_cover_image(st)) {
4099 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
4105 props = (AVCPBProperties*)av_stream_get_side_data(track->st, AV_PKT_DATA_CPB_PROPERTIES, NULL);
4107 if (track->par->bit_rate) {
4108 manifest_bit_rate = track->par->bit_rate;
4110 manifest_bit_rate = props->max_bitrate;
4113 avio_printf(pb, "<%s systemBitrate=\"%"PRId64"\">\n", type,
4115 param_write_int(pb, "systemBitrate", manifest_bit_rate);
4116 param_write_int(pb, "trackID", track_id);
4117 param_write_string(pb, "systemLanguage", lang ? lang->value : "und");
4119 /* Build track name piece by piece: */
4121 av_strlcat(track_name_buf, type, sizeof(track_name_buf));
4122 /* 2. track language, if available */
4124 av_strlcatf(track_name_buf, sizeof(track_name_buf),
4125 "_%s", lang->value);
4126 /* 3. special type suffix */
4127 /* "_cc" = closed captions, "_ad" = audio_description */
4128 if (st->disposition & AV_DISPOSITION_HEARING_IMPAIRED)
4129 av_strlcat(track_name_buf, "_cc", sizeof(track_name_buf));
4130 else if (st->disposition & AV_DISPOSITION_VISUAL_IMPAIRED)
4131 av_strlcat(track_name_buf, "_ad", sizeof(track_name_buf));
4133 param_write_string(pb, "trackName", track_name_buf);
4135 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
4136 if (track->par->codec_id == AV_CODEC_ID_H264) {
4138 int size = track->par->extradata_size;
4139 if (!ff_avc_write_annexb_extradata(track->par->extradata, &ptr,
4141 param_write_hex(pb, "CodecPrivateData",
4142 ptr ? ptr : track->par->extradata,
4146 param_write_string(pb, "FourCC", "H264");
4147 } else if (track->par->codec_id == AV_CODEC_ID_VC1) {
4148 param_write_string(pb, "FourCC", "WVC1");
4149 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
4150 track->par->extradata_size);
4152 param_write_int(pb, "MaxWidth", track->par->width);
4153 param_write_int(pb, "MaxHeight", track->par->height);
4154 param_write_int(pb, "DisplayWidth", track->par->width);
4155 param_write_int(pb, "DisplayHeight", track->par->height);
4157 if (track->par->codec_id == AV_CODEC_ID_AAC) {
4158 switch (track->par->profile)
4160 case FF_PROFILE_AAC_HE_V2:
4161 param_write_string(pb, "FourCC", "AACP");
4163 case FF_PROFILE_AAC_HE:
4164 param_write_string(pb, "FourCC", "AACH");
4167 param_write_string(pb, "FourCC", "AACL");
4169 } else if (track->par->codec_id == AV_CODEC_ID_WMAPRO) {
4170 param_write_string(pb, "FourCC", "WMAP");
4172 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
4173 track->par->extradata_size);
4174 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
4175 track->par->codec_id));
4176 param_write_int(pb, "Channels", track->par->channels);
4177 param_write_int(pb, "SamplingRate", track->par->sample_rate);
4178 param_write_int(pb, "BitsPerSample", 16);
4179 param_write_int(pb, "PacketSize", track->par->block_align ?
4180 track->par->block_align : 4);
4182 avio_printf(pb, "</%s>\n", type);
4184 avio_printf(pb, "</switch>\n");
4185 avio_printf(pb, "</body>\n");
4186 avio_printf(pb, "</smil>\n");
4188 return update_size(pb, pos);
4191 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
4194 ffio_wfourcc(pb, "mfhd");
4196 avio_wb32(pb, mov->fragments);
4200 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
4202 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
4203 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
4206 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
4207 MOVTrack *track, int64_t moof_offset)
4209 int64_t pos = avio_tell(pb);
4210 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
4211 MOV_TFHD_BASE_DATA_OFFSET;
4212 if (!track->entry) {
4213 flags |= MOV_TFHD_DURATION_IS_EMPTY;
4215 flags |= MOV_TFHD_DEFAULT_FLAGS;
4217 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
4218 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
4219 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) {
4220 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
4221 flags |= MOV_TFHD_DEFAULT_BASE_IS_MOOF;
4223 /* CMAF requires all values to be explicit in tfhd atoms */
4224 if (mov->flags & FF_MOV_FLAG_CMAF)
4225 flags |= MOV_TFHD_STSD_ID;
4227 /* Don't set a default sample size, the silverlight player refuses
4228 * to play files with that set. Don't set a default sample duration,
4229 * WMP freaks out if it is set. Don't set a base data offset, PIFF
4230 * file format says it MUST NOT be set. */
4231 if (track->mode == MODE_ISM)
4232 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
4233 MOV_TFHD_BASE_DATA_OFFSET | MOV_TFHD_STSD_ID);
4235 avio_wb32(pb, 0); /* size placeholder */
4236 ffio_wfourcc(pb, "tfhd");
4237 avio_w8(pb, 0); /* version */
4238 avio_wb24(pb, flags);
4240 avio_wb32(pb, track->track_id); /* track-id */
4241 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
4242 avio_wb64(pb, moof_offset);
4243 if (flags & MOV_TFHD_STSD_ID) {
4246 if (flags & MOV_TFHD_DEFAULT_DURATION) {
4247 track->default_duration = get_cluster_duration(track, 0);
4248 avio_wb32(pb, track->default_duration);
4250 if (flags & MOV_TFHD_DEFAULT_SIZE) {
4251 track->default_size = track->entry ? track->cluster[0].size : 1;
4252 avio_wb32(pb, track->default_size);
4254 track->default_size = -1;
4256 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
4257 /* Set the default flags based on the second sample, if available.
4258 * If the first sample is different, that can be signaled via a separate field. */
4259 if (track->entry > 1)
4260 track->default_sample_flags = get_sample_flags(track, &track->cluster[1]);
4262 track->default_sample_flags =
4263 track->par->codec_type == AVMEDIA_TYPE_VIDEO ?
4264 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
4265 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
4266 avio_wb32(pb, track->default_sample_flags);
4269 return update_size(pb, pos);
4272 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
4273 MOVTrack *track, int moof_size,
4276 int64_t pos = avio_tell(pb);
4277 uint32_t flags = MOV_TRUN_DATA_OFFSET;
4280 for (i = first; i < end; i++) {
4281 if (get_cluster_duration(track, i) != track->default_duration)
4282 flags |= MOV_TRUN_SAMPLE_DURATION;
4283 if (track->cluster[i].size != track->default_size)
4284 flags |= MOV_TRUN_SAMPLE_SIZE;
4285 if (i > first && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
4286 flags |= MOV_TRUN_SAMPLE_FLAGS;
4288 if (!(flags & MOV_TRUN_SAMPLE_FLAGS) && track->entry > 0 &&
4289 get_sample_flags(track, &track->cluster[0]) != track->default_sample_flags)
4290 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
4291 if (track->flags & MOV_TRACK_CTTS)
4292 flags |= MOV_TRUN_SAMPLE_CTS;
4294 avio_wb32(pb, 0); /* size placeholder */
4295 ffio_wfourcc(pb, "trun");
4296 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4297 avio_w8(pb, 1); /* version */
4299 avio_w8(pb, 0); /* version */
4300 avio_wb24(pb, flags);
4302 avio_wb32(pb, end - first); /* sample count */
4303 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
4304 !(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) &&
4306 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
4308 avio_wb32(pb, moof_size + 8 + track->data_offset +
4309 track->cluster[first].pos); /* data offset */
4310 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
4311 avio_wb32(pb, get_sample_flags(track, &track->cluster[first]));
4313 for (i = first; i < end; i++) {
4314 if (flags & MOV_TRUN_SAMPLE_DURATION)
4315 avio_wb32(pb, get_cluster_duration(track, i));
4316 if (flags & MOV_TRUN_SAMPLE_SIZE)
4317 avio_wb32(pb, track->cluster[i].size);
4318 if (flags & MOV_TRUN_SAMPLE_FLAGS)
4319 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
4320 if (flags & MOV_TRUN_SAMPLE_CTS)
4321 avio_wb32(pb, track->cluster[i].cts);
4324 mov->first_trun = 0;
4325 return update_size(pb, pos);
4328 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
4330 int64_t pos = avio_tell(pb);
4331 static const uint8_t uuid[] = {
4332 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
4333 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
4336 avio_wb32(pb, 0); /* size placeholder */
4337 ffio_wfourcc(pb, "uuid");
4338 avio_write(pb, uuid, sizeof(uuid));
4341 avio_wb64(pb, track->start_dts + track->frag_start +
4342 track->cluster[0].cts);
4343 avio_wb64(pb, track->end_pts -
4344 (track->cluster[0].dts + track->cluster[0].cts));
4346 return update_size(pb, pos);
4349 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
4350 MOVTrack *track, int entry)
4352 int n = track->nb_frag_info - 1 - entry, i;
4353 int size = 8 + 16 + 4 + 1 + 16*n;
4354 static const uint8_t uuid[] = {
4355 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
4356 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
4362 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
4363 avio_wb32(pb, size);
4364 ffio_wfourcc(pb, "uuid");
4365 avio_write(pb, uuid, sizeof(uuid));
4369 for (i = 0; i < n; i++) {
4370 int index = entry + 1 + i;
4371 avio_wb64(pb, track->frag_info[index].time);
4372 avio_wb64(pb, track->frag_info[index].duration);
4374 if (n < mov->ism_lookahead) {
4375 int free_size = 16 * (mov->ism_lookahead - n);
4376 avio_wb32(pb, free_size);
4377 ffio_wfourcc(pb, "free");
4378 ffio_fill(pb, 0, free_size - 8);
4384 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
4387 int64_t pos = avio_tell(pb);
4389 for (i = 0; i < mov->ism_lookahead; i++) {
4390 /* Update the tfrf tag for the last ism_lookahead fragments,
4391 * nb_frag_info - 1 is the next fragment to be written. */
4392 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
4394 avio_seek(pb, pos, SEEK_SET);
4398 static int mov_add_tfra_entries(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4402 for (i = 0; i < mov->nb_streams; i++) {
4403 MOVTrack *track = &mov->tracks[i];
4404 MOVFragmentInfo *info;
4405 if ((tracks >= 0 && i != tracks) || !track->entry)
4407 track->nb_frag_info++;
4408 if (track->nb_frag_info >= track->frag_info_capacity) {
4409 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
4410 if (av_reallocp_array(&track->frag_info,
4412 sizeof(*track->frag_info)))
4413 return AVERROR(ENOMEM);
4414 track->frag_info_capacity = new_capacity;
4416 info = &track->frag_info[track->nb_frag_info - 1];
4417 info->offset = avio_tell(pb);
4419 // Try to recreate the original pts for the first packet
4420 // from the fields we have stored
4421 info->time = track->start_dts + track->frag_start +
4422 track->cluster[0].cts;
4423 info->duration = track->end_pts -
4424 (track->cluster[0].dts + track->cluster[0].cts);
4425 // If the pts is less than zero, we will have trimmed
4426 // away parts of the media track using an edit list,
4427 // and the corresponding start presentation time is zero.
4428 if (info->time < 0) {
4429 info->duration += info->time;
4432 info->tfrf_offset = 0;
4433 mov_write_tfrf_tags(pb, mov, track);
4438 static void mov_prune_frag_info(MOVMuxContext *mov, int tracks, int max)
4441 for (i = 0; i < mov->nb_streams; i++) {
4442 MOVTrack *track = &mov->tracks[i];
4443 if ((tracks >= 0 && i != tracks) || !track->entry)
4445 if (track->nb_frag_info > max) {
4446 memmove(track->frag_info, track->frag_info + (track->nb_frag_info - max), max * sizeof(*track->frag_info));
4447 track->nb_frag_info = max;
4452 static int mov_write_tfdt_tag(AVIOContext *pb, MOVTrack *track)
4454 int64_t pos = avio_tell(pb);
4456 avio_wb32(pb, 0); /* size */
4457 ffio_wfourcc(pb, "tfdt");
4458 avio_w8(pb, 1); /* version */
4460 avio_wb64(pb, track->frag_start);
4461 return update_size(pb, pos);
4464 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
4465 MOVTrack *track, int64_t moof_offset,
4468 int64_t pos = avio_tell(pb);
4470 avio_wb32(pb, 0); /* size placeholder */
4471 ffio_wfourcc(pb, "traf");
4473 mov_write_tfhd_tag(pb, mov, track, moof_offset);
4474 if (mov->mode != MODE_ISM)
4475 mov_write_tfdt_tag(pb, track);
4476 for (i = 1; i < track->entry; i++) {
4477 if (track->cluster[i].pos != track->cluster[i - 1].pos + track->cluster[i - 1].size) {
4478 mov_write_trun_tag(pb, mov, track, moof_size, start, i);
4482 mov_write_trun_tag(pb, mov, track, moof_size, start, track->entry);
4483 if (mov->mode == MODE_ISM) {
4484 mov_write_tfxd_tag(pb, track);
4486 if (mov->ism_lookahead) {
4487 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
4489 if (track->nb_frag_info > 0) {
4490 MOVFragmentInfo *info = &track->frag_info[track->nb_frag_info - 1];
4491 if (!info->tfrf_offset)
4492 info->tfrf_offset = avio_tell(pb);
4494 avio_wb32(pb, 8 + size);
4495 ffio_wfourcc(pb, "free");
4496 for (i = 0; i < size; i++)
4501 return update_size(pb, pos);
4504 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
4505 int tracks, int moof_size)
4507 int64_t pos = avio_tell(pb);
4510 avio_wb32(pb, 0); /* size placeholder */
4511 ffio_wfourcc(pb, "moof");
4512 mov->first_trun = 1;
4514 mov_write_mfhd_tag(pb, mov);
4515 for (i = 0; i < mov->nb_streams; i++) {
4516 MOVTrack *track = &mov->tracks[i];
4517 if (tracks >= 0 && i != tracks)
4521 mov_write_traf_tag(pb, mov, track, pos, moof_size);
4524 return update_size(pb, pos);
4527 static int mov_write_sidx_tag(AVIOContext *pb,
4528 MOVTrack *track, int ref_size, int total_sidx_size)
4530 int64_t pos = avio_tell(pb), offset_pos, end_pos;
4531 int64_t presentation_time, duration, offset;
4532 unsigned starts_with_SAP;
4537 presentation_time = track->start_dts + track->frag_start +
4538 track->cluster[0].cts;
4539 duration = track->end_pts -
4540 (track->cluster[0].dts + track->cluster[0].cts);
4541 starts_with_SAP = track->cluster[0].flags & MOV_SYNC_SAMPLE;
4543 // pts<0 should be cut away using edts
4544 if (presentation_time < 0) {
4545 duration += presentation_time;
4546 presentation_time = 0;
4549 entries = track->nb_frag_info;
4552 presentation_time = track->frag_info[0].time;
4555 avio_wb32(pb, 0); /* size */
4556 ffio_wfourcc(pb, "sidx");
4557 avio_w8(pb, 1); /* version */
4559 avio_wb32(pb, track->track_id); /* reference_ID */
4560 avio_wb32(pb, track->timescale); /* timescale */
4561 avio_wb64(pb, presentation_time); /* earliest_presentation_time */
4562 offset_pos = avio_tell(pb);
4563 avio_wb64(pb, 0); /* first_offset (offset to referenced moof) */
4564 avio_wb16(pb, 0); /* reserved */
4566 avio_wb16(pb, entries); /* reference_count */
4567 for (i = 0; i < entries; i++) {
4568 if (!track->entry) {
4569 if (i > 1 && track->frag_info[i].offset != track->frag_info[i - 1].offset + track->frag_info[i - 1].size) {
4570 av_log(NULL, AV_LOG_ERROR, "Non-consecutive fragments, writing incorrect sidx\n");
4572 duration = track->frag_info[i].duration;
4573 ref_size = track->frag_info[i].size;
4574 starts_with_SAP = 1;
4576 avio_wb32(pb, (0 << 31) | (ref_size & 0x7fffffff)); /* reference_type (0 = media) | referenced_size */
4577 avio_wb32(pb, duration); /* subsegment_duration */
4578 avio_wb32(pb, (starts_with_SAP << 31) | (0 << 28) | 0); /* starts_with_SAP | SAP_type | SAP_delta_time */
4581 end_pos = avio_tell(pb);
4582 offset = pos + total_sidx_size - end_pos;
4583 avio_seek(pb, offset_pos, SEEK_SET);
4584 avio_wb64(pb, offset);
4585 avio_seek(pb, end_pos, SEEK_SET);
4586 return update_size(pb, pos);
4589 static int mov_write_sidx_tags(AVIOContext *pb, MOVMuxContext *mov,
4590 int tracks, int ref_size)
4593 AVIOContext *avio_buf;
4595 for (round = 0; round < 2; round++) {
4596 // First run one round to calculate the total size of all
4598 // This would be much simpler if we'd only write one sidx
4599 // atom, for the first track in the moof.
4601 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4606 for (i = 0; i < mov->nb_streams; i++) {
4607 MOVTrack *track = &mov->tracks[i];
4608 if (tracks >= 0 && i != tracks)
4610 // When writing a sidx for the full file, entry is 0, but
4611 // we want to include all tracks. ref_size is 0 in this case,
4612 // since we read it from frag_info instead.
4613 if (!track->entry && ref_size > 0)
4615 total_size -= mov_write_sidx_tag(avio_buf, track, ref_size,
4619 total_size = ffio_close_null_buf(avio_buf);
4624 static int mov_write_prft_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
4626 int64_t pos = avio_tell(pb), pts_us, ntp_ts;
4627 MOVTrack *first_track;
4630 /* PRFT should be associated with at most one track. So, choosing only the
4634 first_track = &(mov->tracks[0]);
4636 if (!first_track->entry) {
4637 av_log(mov->fc, AV_LOG_WARNING, "Unable to write PRFT, no entries in the track\n");
4641 if (first_track->cluster[0].pts == AV_NOPTS_VALUE) {
4642 av_log(mov->fc, AV_LOG_WARNING, "Unable to write PRFT, first PTS is invalid\n");
4646 if (mov->write_prft == MOV_PRFT_SRC_WALLCLOCK) {
4647 if (first_track->cluster[0].prft.wallclock) {
4648 /* Round the NTP time to whole milliseconds. */
4649 ntp_ts = ff_get_formatted_ntp_time((first_track->cluster[0].prft.wallclock / 1000) * 1000 +
4651 flags = first_track->cluster[0].prft.flags;
4653 ntp_ts = ff_get_formatted_ntp_time(ff_ntp_time());
4654 } else if (mov->write_prft == MOV_PRFT_SRC_PTS) {
4655 pts_us = av_rescale_q(first_track->cluster[0].pts,
4656 first_track->st->time_base, AV_TIME_BASE_Q);
4657 ntp_ts = ff_get_formatted_ntp_time(pts_us + NTP_OFFSET_US);
4659 av_log(mov->fc, AV_LOG_WARNING, "Unsupported PRFT box configuration: %d\n",
4664 avio_wb32(pb, 0); // Size place holder
4665 ffio_wfourcc(pb, "prft"); // Type
4666 avio_w8(pb, 1); // Version
4667 avio_wb24(pb, flags); // Flags
4668 avio_wb32(pb, first_track->track_id); // reference track ID
4669 avio_wb64(pb, ntp_ts); // NTP time stamp
4670 avio_wb64(pb, first_track->cluster[0].pts); //media time
4671 return update_size(pb, pos);
4674 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4677 AVIOContext *avio_buf;
4680 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4682 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
4683 moof_size = ffio_close_null_buf(avio_buf);
4685 if (mov->flags & FF_MOV_FLAG_DASH &&
4686 !(mov->flags & (FF_MOV_FLAG_GLOBAL_SIDX | FF_MOV_FLAG_SKIP_SIDX)))
4687 mov_write_sidx_tags(pb, mov, tracks, moof_size + 8 + mdat_size);
4689 if (mov->write_prft > MOV_PRFT_NONE && mov->write_prft < MOV_PRFT_NB)
4690 mov_write_prft_tag(pb, mov, tracks);
4692 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX ||
4693 !(mov->flags & FF_MOV_FLAG_SKIP_TRAILER) ||
4694 mov->ism_lookahead) {
4695 if ((ret = mov_add_tfra_entries(pb, mov, tracks, moof_size + 8 + mdat_size)) < 0)
4697 if (!(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) &&
4698 mov->flags & FF_MOV_FLAG_SKIP_TRAILER) {
4699 mov_prune_frag_info(mov, tracks, mov->ism_lookahead + 1);
4703 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
4706 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
4708 int64_t pos = avio_tell(pb);
4711 avio_wb32(pb, 0); /* size placeholder */
4712 ffio_wfourcc(pb, "tfra");
4713 avio_w8(pb, 1); /* version */
4716 avio_wb32(pb, track->track_id);
4717 avio_wb32(pb, 0); /* length of traf/trun/sample num */
4718 avio_wb32(pb, track->nb_frag_info);
4719 for (i = 0; i < track->nb_frag_info; i++) {
4720 avio_wb64(pb, track->frag_info[i].time);
4721 avio_wb64(pb, track->frag_info[i].offset + track->data_offset);
4722 avio_w8(pb, 1); /* traf number */
4723 avio_w8(pb, 1); /* trun number */
4724 avio_w8(pb, 1); /* sample number */
4727 return update_size(pb, pos);
4730 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
4732 int64_t pos = avio_tell(pb);
4735 avio_wb32(pb, 0); /* size placeholder */
4736 ffio_wfourcc(pb, "mfra");
4737 /* An empty mfra atom is enough to indicate to the publishing point that
4738 * the stream has ended. */
4739 if (mov->flags & FF_MOV_FLAG_ISML)
4740 return update_size(pb, pos);
4742 for (i = 0; i < mov->nb_streams; i++) {
4743 MOVTrack *track = &mov->tracks[i];
4744 if (track->nb_frag_info)
4745 mov_write_tfra_tag(pb, track);
4749 ffio_wfourcc(pb, "mfro");
4750 avio_wb32(pb, 0); /* version + flags */
4751 avio_wb32(pb, avio_tell(pb) + 4 - pos);
4753 return update_size(pb, pos);
4756 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
4758 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
4759 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
4761 mov->mdat_pos = avio_tell(pb);
4762 avio_wb32(pb, 0); /* size placeholder*/
4763 ffio_wfourcc(pb, "mdat");
4767 static void mov_write_ftyp_tag_internal(AVIOContext *pb, AVFormatContext *s,
4768 int has_h264, int has_video, int write_minor)
4770 MOVMuxContext *mov = s->priv_data;
4773 if (mov->major_brand && strlen(mov->major_brand) >= 4)
4774 ffio_wfourcc(pb, mov->major_brand);
4775 else if (mov->mode == MODE_3GP) {
4776 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
4777 minor = has_h264 ? 0x100 : 0x200;
4778 } else if (mov->mode & MODE_3G2) {
4779 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
4780 minor = has_h264 ? 0x20000 : 0x10000;
4781 } else if (mov->mode == MODE_PSP)
4782 ffio_wfourcc(pb, "MSNV");
4783 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_FRAGMENT &&
4784 mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4785 ffio_wfourcc(pb, "iso6"); // Required when using signed CTS offsets in trun boxes
4786 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
4787 ffio_wfourcc(pb, "iso5"); // Required when using default-base-is-moof
4788 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4789 ffio_wfourcc(pb, "iso4");
4790 else if (mov->mode == MODE_MP4)
4791 ffio_wfourcc(pb, "isom");
4792 else if (mov->mode == MODE_IPOD)
4793 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
4794 else if (mov->mode == MODE_ISM)
4795 ffio_wfourcc(pb, "isml");
4796 else if (mov->mode == MODE_F4V)
4797 ffio_wfourcc(pb, "f4v ");
4799 ffio_wfourcc(pb, "qt ");
4802 avio_wb32(pb, minor);
4805 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
4807 MOVMuxContext *mov = s->priv_data;
4808 int64_t pos = avio_tell(pb);
4809 int has_h264 = 0, has_video = 0;
4812 for (i = 0; i < s->nb_streams; i++) {
4813 AVStream *st = s->streams[i];
4814 if (is_cover_image(st))
4816 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
4818 if (st->codecpar->codec_id == AV_CODEC_ID_H264)
4822 avio_wb32(pb, 0); /* size */
4823 ffio_wfourcc(pb, "ftyp");
4825 // Write major brand
4826 mov_write_ftyp_tag_internal(pb, s, has_h264, has_video, 1);
4827 // Write the major brand as the first compatible brand as well
4828 mov_write_ftyp_tag_internal(pb, s, has_h264, has_video, 0);
4830 // Write compatible brands, ensuring that we don't write the major brand as a
4831 // compatible brand a second time.
4832 if (mov->mode == MODE_ISM) {
4833 ffio_wfourcc(pb, "piff");
4834 } else if (mov->mode != MODE_MOV) {
4835 // We add tfdt atoms when fragmenting, signal this with the iso6 compatible
4836 // brand, if not already the major brand. This is compatible with users that
4837 // don't understand tfdt.
4838 if (mov->mode == MODE_MP4) {
4839 if (mov->flags & FF_MOV_FLAG_CMAF)
4840 ffio_wfourcc(pb, "cmfc");
4841 if (mov->flags & FF_MOV_FLAG_FRAGMENT && !(mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS))
4842 ffio_wfourcc(pb, "iso6");
4844 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
4845 ffio_wfourcc(pb, "iso6");
4846 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
4847 ffio_wfourcc(pb, "iso5");
4848 else if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4849 ffio_wfourcc(pb, "iso4");
4851 // Brands prior to iso5 can't be signaled when using default-base-is-moof
4852 if (!(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)) {
4853 // write isom for mp4 only if it it's not the major brand already.
4854 if (mov->mode != MODE_MP4 || mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4855 ffio_wfourcc(pb, "isom");
4856 ffio_wfourcc(pb, "iso2");
4858 ffio_wfourcc(pb, "avc1");
4862 if (mov->mode == MODE_MP4)
4863 ffio_wfourcc(pb, "mp41");
4865 if (mov->flags & FF_MOV_FLAG_DASH && mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
4866 ffio_wfourcc(pb, "dash");
4868 return update_size(pb, pos);
4871 static int mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
4873 AVStream *video_st = s->streams[0];
4874 AVCodecParameters *video_par = s->streams[0]->codecpar;
4875 AVCodecParameters *audio_par = s->streams[1]->codecpar;
4876 int audio_rate = audio_par->sample_rate;
4877 int64_t frame_rate = video_st->avg_frame_rate.den ?
4878 (video_st->avg_frame_rate.num * 0x10000LL) / video_st->avg_frame_rate.den :
4880 int audio_kbitrate = audio_par->bit_rate / 1000;
4881 int video_kbitrate = FFMIN(video_par->bit_rate / 1000, 800 - audio_kbitrate);
4883 if (frame_rate < 0 || frame_rate > INT32_MAX) {
4884 av_log(s, AV_LOG_ERROR, "Frame rate %f outside supported range\n", frame_rate / (double)0x10000);
4885 return AVERROR(EINVAL);
4888 avio_wb32(pb, 0x94); /* size */
4889 ffio_wfourcc(pb, "uuid");
4890 ffio_wfourcc(pb, "PROF");
4892 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
4893 avio_wb32(pb, 0xbb88695c);
4894 avio_wb32(pb, 0xfac9c740);
4896 avio_wb32(pb, 0x0); /* ? */
4897 avio_wb32(pb, 0x3); /* 3 sections ? */
4899 avio_wb32(pb, 0x14); /* size */
4900 ffio_wfourcc(pb, "FPRF");
4901 avio_wb32(pb, 0x0); /* ? */
4902 avio_wb32(pb, 0x0); /* ? */
4903 avio_wb32(pb, 0x0); /* ? */
4905 avio_wb32(pb, 0x2c); /* size */
4906 ffio_wfourcc(pb, "APRF"); /* audio */
4908 avio_wb32(pb, 0x2); /* TrackID */
4909 ffio_wfourcc(pb, "mp4a");
4910 avio_wb32(pb, 0x20f);
4912 avio_wb32(pb, audio_kbitrate);
4913 avio_wb32(pb, audio_kbitrate);
4914 avio_wb32(pb, audio_rate);
4915 avio_wb32(pb, audio_par->channels);
4917 avio_wb32(pb, 0x34); /* size */
4918 ffio_wfourcc(pb, "VPRF"); /* video */
4920 avio_wb32(pb, 0x1); /* TrackID */
4921 if (video_par->codec_id == AV_CODEC_ID_H264) {
4922 ffio_wfourcc(pb, "avc1");
4923 avio_wb16(pb, 0x014D);
4924 avio_wb16(pb, 0x0015);
4926 ffio_wfourcc(pb, "mp4v");
4927 avio_wb16(pb, 0x0000);
4928 avio_wb16(pb, 0x0103);
4931 avio_wb32(pb, video_kbitrate);
4932 avio_wb32(pb, video_kbitrate);
4933 avio_wb32(pb, frame_rate);
4934 avio_wb32(pb, frame_rate);
4935 avio_wb16(pb, video_par->width);
4936 avio_wb16(pb, video_par->height);
4937 avio_wb32(pb, 0x010001); /* ? */
4942 static int mov_write_identification(AVIOContext *pb, AVFormatContext *s)
4944 MOVMuxContext *mov = s->priv_data;
4947 mov_write_ftyp_tag(pb,s);
4948 if (mov->mode == MODE_PSP) {
4949 int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
4950 for (i = 0; i < s->nb_streams; i++) {
4951 AVStream *st = s->streams[i];
4952 if (is_cover_image(st))
4954 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
4956 else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
4962 if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
4963 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
4964 return AVERROR(EINVAL);
4966 return mov_write_uuidprof_tag(pb, s);
4971 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
4974 int i, closed_gop = 0;
4976 for (i = 0; i < pkt->size - 4; i++) {
4977 c = (c << 8) + pkt->data[i];
4978 if (c == 0x1b8) { // gop
4979 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
4980 } else if (c == 0x100) { // pic
4981 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
4982 if (!temp_ref || closed_gop) // I picture is not reordered
4983 *flags = MOV_SYNC_SAMPLE;
4985 *flags = MOV_PARTIAL_SYNC_SAMPLE;
4992 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk)
4994 const uint8_t *start, *next, *end = pkt->data + pkt->size;
4995 int seq = 0, entry = 0;
4996 int key = pkt->flags & AV_PKT_FLAG_KEY;
4997 start = find_next_marker(pkt->data, end);
4998 for (next = start; next < end; start = next) {
4999 next = find_next_marker(start + 4, end);
5000 switch (AV_RB32(start)) {
5001 case VC1_CODE_SEQHDR:
5004 case VC1_CODE_ENTRYPOINT:
5007 case VC1_CODE_SLICE:
5008 trk->vc1_info.slices = 1;
5012 if (!trk->entry && trk->vc1_info.first_packet_seen)
5013 trk->vc1_info.first_frag_written = 1;
5014 if (!trk->entry && !trk->vc1_info.first_frag_written) {
5015 /* First packet in first fragment */
5016 trk->vc1_info.first_packet_seq = seq;
5017 trk->vc1_info.first_packet_entry = entry;
5018 trk->vc1_info.first_packet_seen = 1;
5019 } else if ((seq && !trk->vc1_info.packet_seq) ||
5020 (entry && !trk->vc1_info.packet_entry)) {
5022 for (i = 0; i < trk->entry; i++)
5023 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
5024 trk->has_keyframes = 0;
5026 trk->vc1_info.packet_seq = 1;
5028 trk->vc1_info.packet_entry = 1;
5029 if (!trk->vc1_info.first_frag_written) {
5030 /* First fragment */
5031 if ((!seq || trk->vc1_info.first_packet_seq) &&
5032 (!entry || trk->vc1_info.first_packet_entry)) {
5033 /* First packet had the same headers as this one, readd the
5034 * sync sample flag. */
5035 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
5036 trk->has_keyframes = 1;
5040 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
5042 else if (trk->vc1_info.packet_seq)
5044 else if (trk->vc1_info.packet_entry)
5047 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
5048 trk->has_keyframes++;
5052 static void mov_parse_truehd_frame(AVPacket *pkt, MOVTrack *trk)
5059 length = (AV_RB16(pkt->data) & 0xFFF) * 2;
5060 if (length < 8 || length > pkt->size)
5063 if (AV_RB32(pkt->data + 4) == 0xF8726FBA) {
5064 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
5065 trk->has_keyframes++;
5071 static int mov_flush_fragment_interleaving(AVFormatContext *s, MOVTrack *track)
5073 MOVMuxContext *mov = s->priv_data;
5078 if (!track->mdat_buf)
5080 if (!mov->mdat_buf) {
5081 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
5084 buf_size = avio_get_dyn_buf(track->mdat_buf, &buf);
5086 offset = avio_tell(mov->mdat_buf);
5087 avio_write(mov->mdat_buf, buf, buf_size);
5088 ffio_free_dyn_buf(&track->mdat_buf);
5090 for (i = track->entries_flushed; i < track->entry; i++)
5091 track->cluster[i].pos += offset;
5092 track->entries_flushed = track->entry;
5096 static int mov_flush_fragment(AVFormatContext *s, int force)
5098 MOVMuxContext *mov = s->priv_data;
5099 int i, first_track = -1;
5100 int64_t mdat_size = 0;
5102 int has_video = 0, starts_with_key = 0, first_video_track = 1;
5104 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
5107 // Try to fill in the duration of the last packet in each stream
5108 // from queued packets in the interleave queues. If the flushing
5109 // of fragments was triggered automatically by an AVPacket, we
5110 // already have reliable info for the end of that track, but other
5111 // tracks may need to be filled in.
5112 for (i = 0; i < s->nb_streams; i++) {
5113 MOVTrack *track = &mov->tracks[i];
5114 if (!track->end_reliable) {
5116 if (!ff_interleaved_peek(s, i, &pkt, 1)) {
5117 if (track->dts_shift != AV_NOPTS_VALUE)
5118 pkt.dts += track->dts_shift;
5119 track->track_duration = pkt.dts - track->start_dts;
5120 if (pkt.pts != AV_NOPTS_VALUE)
5121 track->end_pts = pkt.pts;
5123 track->end_pts = pkt.dts;
5128 for (i = 0; i < mov->nb_streams; i++) {
5129 MOVTrack *track = &mov->tracks[i];
5130 if (track->entry <= 1)
5132 // Sample durations are calculated as the diff of dts values,
5133 // but for the last sample in a fragment, we don't know the dts
5134 // of the first sample in the next fragment, so we have to rely
5135 // on what was set as duration in the AVPacket. Not all callers
5136 // set this though, so we might want to replace it with an
5137 // estimate if it currently is zero.
5138 if (get_cluster_duration(track, track->entry - 1) != 0)
5140 // Use the duration (i.e. dts diff) of the second last sample for
5141 // the last one. This is a wild guess (and fatal if it turns out
5142 // to be too long), but probably the best we can do - having a zero
5143 // duration is bad as well.
5144 track->track_duration += get_cluster_duration(track, track->entry - 2);
5145 track->end_pts += get_cluster_duration(track, track->entry - 2);
5146 if (!mov->missing_duration_warned) {
5147 av_log(s, AV_LOG_WARNING,
5148 "Estimating the duration of the last packet in a "
5149 "fragment, consider setting the duration field in "
5150 "AVPacket instead.\n");
5151 mov->missing_duration_warned = 1;
5155 if (!mov->moov_written) {
5156 int64_t pos = avio_tell(s->pb);
5158 int buf_size, moov_size;
5160 for (i = 0; i < mov->nb_streams; i++)
5161 if (!mov->tracks[i].entry && !is_cover_image(mov->tracks[i].st))
5163 /* Don't write the initial moov unless all tracks have data */
5164 if (i < mov->nb_streams && !force)
5167 moov_size = get_moov_size(s);
5168 for (i = 0; i < mov->nb_streams; i++)
5169 mov->tracks[i].data_offset = pos + moov_size + 8;
5171 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_HEADER);
5172 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5173 mov_write_identification(s->pb, s);
5174 if ((ret = mov_write_moov_tag(s->pb, mov, s)) < 0)
5177 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV) {
5178 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5179 mov->reserved_header_pos = avio_tell(s->pb);
5180 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5181 mov->moov_written = 1;
5185 buf_size = avio_get_dyn_buf(mov->mdat_buf, &buf);
5186 avio_wb32(s->pb, buf_size + 8);
5187 ffio_wfourcc(s->pb, "mdat");
5188 avio_write(s->pb, buf, buf_size);
5189 ffio_free_dyn_buf(&mov->mdat_buf);
5191 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5192 mov->reserved_header_pos = avio_tell(s->pb);
5194 mov->moov_written = 1;
5196 for (i = 0; i < mov->nb_streams; i++) {
5197 if (mov->tracks[i].entry)
5198 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
5199 mov->tracks[i].track_duration -
5200 mov->tracks[i].cluster[0].dts;
5201 mov->tracks[i].entry = 0;
5202 mov->tracks[i].end_reliable = 0;
5204 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5208 if (mov->frag_interleave) {
5209 for (i = 0; i < mov->nb_streams; i++) {
5210 MOVTrack *track = &mov->tracks[i];
5212 if ((ret = mov_flush_fragment_interleaving(s, track)) < 0)
5218 mdat_size = avio_tell(mov->mdat_buf);
5221 for (i = 0; i < mov->nb_streams; i++) {
5222 MOVTrack *track = &mov->tracks[i];
5223 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF || mov->frag_interleave)
5224 track->data_offset = 0;
5226 track->data_offset = mdat_size;
5227 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
5229 if (first_video_track) {
5231 starts_with_key = track->cluster[0].flags & MOV_SYNC_SAMPLE;
5232 first_video_track = 0;
5237 if (track->mdat_buf)
5238 mdat_size += avio_tell(track->mdat_buf);
5239 if (first_track < 0)
5246 avio_write_marker(s->pb,
5247 av_rescale(mov->tracks[first_track].cluster[0].dts, AV_TIME_BASE, mov->tracks[first_track].timescale),
5248 (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);
5250 for (i = 0; i < mov->nb_streams; i++) {
5251 MOVTrack *track = &mov->tracks[i];
5252 int buf_size, write_moof = 1, moof_tracks = -1;
5254 int64_t duration = 0;
5257 duration = track->start_dts + track->track_duration -
5258 track->cluster[0].dts;
5259 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
5260 if (!track->mdat_buf)
5262 mdat_size = avio_tell(track->mdat_buf);
5265 write_moof = i == first_track;
5269 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5271 mov_write_moof_tag(s->pb, mov, moof_tracks, mdat_size);
5274 avio_wb32(s->pb, mdat_size + 8);
5275 ffio_wfourcc(s->pb, "mdat");
5279 track->frag_start += duration;
5281 track->entries_flushed = 0;
5282 track->end_reliable = 0;
5283 if (!mov->frag_interleave) {
5284 if (!track->mdat_buf)
5286 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
5287 track->mdat_buf = NULL;
5291 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
5292 mov->mdat_buf = NULL;
5295 avio_write(s->pb, buf, buf_size);
5301 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5305 static int mov_auto_flush_fragment(AVFormatContext *s, int force)
5307 MOVMuxContext *mov = s->priv_data;
5308 int had_moov = mov->moov_written;
5309 int ret = mov_flush_fragment(s, force);
5312 // If using delay_moov, the first flush only wrote the moov,
5313 // not the actual moof+mdat pair, thus flush once again.
5314 if (!had_moov && mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5315 ret = mov_flush_fragment(s, force);
5319 static int check_pkt(AVFormatContext *s, AVPacket *pkt)
5321 MOVMuxContext *mov = s->priv_data;
5322 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5327 ref = trk->cluster[trk->entry - 1].dts;
5328 } else if ( trk->start_dts != AV_NOPTS_VALUE
5329 && !trk->frag_discont) {
5330 ref = trk->start_dts + trk->track_duration;
5332 ref = pkt->dts; // Skip tests for the first packet
5334 if (trk->dts_shift != AV_NOPTS_VALUE) {
5335 /* With negative CTS offsets we have set an offset to the DTS,
5336 * reverse this for the check. */
5337 ref -= trk->dts_shift;
5340 duration = pkt->dts - ref;
5341 if (pkt->dts < ref || duration >= INT_MAX) {
5342 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n",
5347 pkt->pts = AV_NOPTS_VALUE;
5350 if (pkt->duration < 0 || pkt->duration > INT_MAX) {
5351 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" is invalid\n", pkt->duration);
5352 return AVERROR(EINVAL);
5357 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
5359 MOVMuxContext *mov = s->priv_data;
5360 AVIOContext *pb = s->pb;
5361 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5362 AVCodecParameters *par = trk->par;
5363 AVProducerReferenceTime *prft;
5364 unsigned int samples_in_chunk = 0;
5365 int size = pkt->size, ret = 0, offset = 0;
5367 uint8_t *reformatted_data = NULL;
5369 ret = check_pkt(s, pkt);
5373 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
5375 if (mov->moov_written || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
5376 if (mov->frag_interleave && mov->fragments > 0) {
5377 if (trk->entry - trk->entries_flushed >= mov->frag_interleave) {
5378 if ((ret = mov_flush_fragment_interleaving(s, trk)) < 0)
5383 if (!trk->mdat_buf) {
5384 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
5389 if (!mov->mdat_buf) {
5390 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
5397 if (par->codec_id == AV_CODEC_ID_AMR_NB) {
5398 /* We must find out how many AMR blocks there are in one packet */
5399 static const uint16_t packed_size[16] =
5400 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
5403 while (len < size && samples_in_chunk < 100) {
5404 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
5407 if (samples_in_chunk > 1) {
5408 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
5411 } else if (par->codec_id == AV_CODEC_ID_ADPCM_MS ||
5412 par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
5413 samples_in_chunk = trk->par->frame_size;
5414 } else if (trk->sample_size)
5415 samples_in_chunk = size / trk->sample_size;
5417 samples_in_chunk = 1;
5419 if (samples_in_chunk < 1) {
5420 av_log(s, AV_LOG_ERROR, "fatal error, input packet contains no samples\n");
5421 return AVERROR_PATCHWELCOME;
5424 /* copy extradata if it exists */
5425 if (trk->vos_len == 0 && par->extradata_size > 0 &&
5426 !TAG_IS_AVCI(trk->tag) &&
5427 (par->codec_id != AV_CODEC_ID_DNXHD)) {
5428 trk->vos_len = par->extradata_size;
5429 trk->vos_data = av_malloc(trk->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
5430 if (!trk->vos_data) {
5431 ret = AVERROR(ENOMEM);
5434 memcpy(trk->vos_data, par->extradata, trk->vos_len);
5435 memset(trk->vos_data + trk->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
5438 if (par->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
5439 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
5440 if (!s->streams[pkt->stream_index]->nb_frames) {
5441 av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
5442 "use the audio bitstream filter 'aac_adtstoasc' to fix it "
5443 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
5446 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
5448 if (par->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1 && !TAG_IS_AVCI(trk->tag)) {
5449 /* from x264 or from bytestream H.264 */
5450 /* NAL reformatting needed */
5451 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5452 ret = ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
5456 avio_write(pb, reformatted_data, size);
5458 if (trk->cenc.aes_ctr) {
5459 size = ff_mov_cenc_avc_parse_nal_units(&trk->cenc, pb, pkt->data, size);
5465 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
5468 } else if (par->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
5469 (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
5470 /* extradata is Annex B, assume the bitstream is too and convert it */
5471 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5472 ret = ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data,
5476 avio_write(pb, reformatted_data, size);
5478 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
5480 } else if (par->codec_id == AV_CODEC_ID_AV1) {
5481 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5482 ret = ff_av1_filter_obus_buf(pkt->data, &reformatted_data,
5486 avio_write(pb, reformatted_data, size);
5488 size = ff_av1_filter_obus(pb, pkt->data, pkt->size);
5490 #if CONFIG_AC3_PARSER
5491 } else if (par->codec_id == AV_CODEC_ID_EAC3) {
5492 size = handle_eac3(mov, pkt, trk);
5497 avio_write(pb, pkt->data, size);
5500 if (trk->cenc.aes_ctr) {
5501 if (par->codec_id == AV_CODEC_ID_H264 && par->extradata_size > 4) {
5502 int nal_size_length = (par->extradata[4] & 0x3) + 1;
5503 ret = ff_mov_cenc_avc_write_nal_units(s, &trk->cenc, nal_size_length, pb, pkt->data, size);
5505 ret = ff_mov_cenc_write_packet(&trk->cenc, pb, pkt->data, size);
5512 avio_write(pb, pkt->data, size);
5516 if ((par->codec_id == AV_CODEC_ID_DNXHD ||
5517 par->codec_id == AV_CODEC_ID_TRUEHD ||
5518 par->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
5519 /* copy frame to create needed atoms */
5520 trk->vos_len = size;
5521 trk->vos_data = av_malloc(size + AV_INPUT_BUFFER_PADDING_SIZE);
5522 if (!trk->vos_data) {
5523 ret = AVERROR(ENOMEM);
5526 memcpy(trk->vos_data, pkt->data, size);
5527 memset(trk->vos_data + size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
5530 if (trk->entry >= trk->cluster_capacity) {
5531 unsigned new_capacity = trk->entry + MOV_INDEX_CLUSTER_SIZE;
5532 if (av_reallocp_array(&trk->cluster, new_capacity,
5533 sizeof(*trk->cluster))) {
5534 ret = AVERROR(ENOMEM);
5537 trk->cluster_capacity = new_capacity;
5540 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
5541 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
5542 trk->cluster[trk->entry].chunkNum = 0;
5543 trk->cluster[trk->entry].size = size;
5544 trk->cluster[trk->entry].entries = samples_in_chunk;
5545 trk->cluster[trk->entry].dts = pkt->dts;
5546 trk->cluster[trk->entry].pts = pkt->pts;
5547 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
5548 if (!trk->frag_discont) {
5549 /* First packet of a new fragment. We already wrote the duration
5550 * of the last packet of the previous fragment based on track_duration,
5551 * which might not exactly match our dts. Therefore adjust the dts
5552 * of this packet to be what the previous packets duration implies. */
5553 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
5554 /* We also may have written the pts and the corresponding duration
5555 * in sidx/tfrf/tfxd tags; make sure the sidx pts and duration match up with
5556 * the next fragment. This means the cts of the first sample must
5557 * be the same in all fragments, unless end_pts was updated by
5558 * the packet causing the fragment to be written. */
5559 if ((mov->flags & FF_MOV_FLAG_DASH &&
5560 !(mov->flags & (FF_MOV_FLAG_GLOBAL_SIDX | FF_MOV_FLAG_SKIP_SIDX))) ||
5561 mov->mode == MODE_ISM)
5562 pkt->pts = pkt->dts + trk->end_pts - trk->cluster[trk->entry].dts;
5564 /* New fragment, but discontinuous from previous fragments.
5565 * Pretend the duration sum of the earlier fragments is
5566 * pkt->dts - trk->start_dts. */
5567 trk->frag_start = pkt->dts - trk->start_dts;
5568 trk->end_pts = AV_NOPTS_VALUE;
5569 trk->frag_discont = 0;
5573 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !mov->use_editlist &&
5574 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO) {
5575 /* Not using edit lists and shifting the first track to start from zero.
5576 * If the other streams start from a later timestamp, we won't be able
5577 * to signal the difference in starting time without an edit list.
5578 * Thus move the timestamp for this first sample to 0, increasing
5579 * its duration instead. */
5580 trk->cluster[trk->entry].dts = trk->start_dts = 0;
5582 if (trk->start_dts == AV_NOPTS_VALUE) {
5583 trk->start_dts = pkt->dts;
5584 if (trk->frag_discont) {
5585 if (mov->use_editlist) {
5586 /* Pretend the whole stream started at pts=0, with earlier fragments
5587 * already written. If the stream started at pts=0, the duration sum
5588 * of earlier fragments would have been pkt->pts. */
5589 trk->frag_start = pkt->pts;
5590 trk->start_dts = pkt->dts - pkt->pts;
5592 /* Pretend the whole stream started at dts=0, with earlier fragments
5593 * already written, with a duration summing up to pkt->dts. */
5594 trk->frag_start = pkt->dts;
5597 trk->frag_discont = 0;
5598 } else if (pkt->dts && mov->moov_written)
5599 av_log(s, AV_LOG_WARNING,
5600 "Track %d starts with a nonzero dts %"PRId64", while the moov "
5601 "already has been written. Set the delay_moov flag to handle "
5603 pkt->stream_index, pkt->dts);
5605 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
5606 trk->last_sample_is_subtitle_end = 0;
5608 if (pkt->pts == AV_NOPTS_VALUE) {
5609 av_log(s, AV_LOG_WARNING, "pts has no value\n");
5610 pkt->pts = pkt->dts;
5612 if (pkt->dts != pkt->pts)
5613 trk->flags |= MOV_TRACK_CTTS;
5614 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
5615 trk->cluster[trk->entry].flags = 0;
5616 if (trk->start_cts == AV_NOPTS_VALUE)
5617 trk->start_cts = pkt->pts - pkt->dts;
5618 if (trk->end_pts == AV_NOPTS_VALUE)
5619 trk->end_pts = trk->cluster[trk->entry].dts +
5620 trk->cluster[trk->entry].cts + pkt->duration;
5622 trk->end_pts = FFMAX(trk->end_pts, trk->cluster[trk->entry].dts +
5623 trk->cluster[trk->entry].cts +
5626 if (par->codec_id == AV_CODEC_ID_VC1) {
5627 mov_parse_vc1_frame(pkt, trk);
5628 } else if (par->codec_id == AV_CODEC_ID_TRUEHD) {
5629 mov_parse_truehd_frame(pkt, trk);
5630 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
5631 if (mov->mode == MODE_MOV && par->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
5632 trk->entry > 0) { // force sync sample for the first key frame
5633 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
5634 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
5635 trk->flags |= MOV_TRACK_STPS;
5637 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
5639 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
5640 trk->has_keyframes++;
5642 if (pkt->flags & AV_PKT_FLAG_DISPOSABLE) {
5643 trk->cluster[trk->entry].flags |= MOV_DISPOSABLE_SAMPLE;
5644 trk->has_disposable++;
5647 prft = (AVProducerReferenceTime *)av_packet_get_side_data(pkt, AV_PKT_DATA_PRFT, &prft_size);
5648 if (prft && prft_size == sizeof(AVProducerReferenceTime))
5649 memcpy(&trk->cluster[trk->entry].prft, prft, prft_size);
5651 memset(&trk->cluster[trk->entry].prft, 0, sizeof(AVProducerReferenceTime));
5654 trk->sample_count += samples_in_chunk;
5655 mov->mdat_size += size;
5657 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
5658 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
5659 reformatted_data ? reformatted_data + offset
5665 if (pkt->data != reformatted_data)
5666 av_free(reformatted_data);
5670 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
5672 MOVMuxContext *mov = s->priv_data;
5673 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5674 AVCodecParameters *par = trk->par;
5675 int64_t frag_duration = 0;
5676 int size = pkt->size;
5678 int ret = check_pkt(s, pkt);
5682 if (mov->flags & FF_MOV_FLAG_FRAG_DISCONT) {
5684 for (i = 0; i < s->nb_streams; i++)
5685 mov->tracks[i].frag_discont = 1;
5686 mov->flags &= ~FF_MOV_FLAG_FRAG_DISCONT;
5689 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS) {
5690 if (trk->dts_shift == AV_NOPTS_VALUE)
5691 trk->dts_shift = pkt->pts - pkt->dts;
5692 pkt->dts += trk->dts_shift;
5695 if (trk->par->codec_id == AV_CODEC_ID_MP4ALS ||
5696 trk->par->codec_id == AV_CODEC_ID_AAC ||
5697 trk->par->codec_id == AV_CODEC_ID_AV1 ||
5698 trk->par->codec_id == AV_CODEC_ID_FLAC) {
5700 uint8_t *side = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, &side_size);
5701 if (side && side_size > 0 && (side_size != par->extradata_size || memcmp(side, par->extradata, side_size))) {
5702 void *newextra = av_mallocz(side_size + AV_INPUT_BUFFER_PADDING_SIZE);
5704 return AVERROR(ENOMEM);
5705 av_free(par->extradata);
5706 par->extradata = newextra;
5707 memcpy(par->extradata, side, side_size);
5708 par->extradata_size = side_size;
5709 if (!pkt->size) // Flush packet
5710 mov->need_rewrite_extradata = 1;
5715 if (trk->start_dts == AV_NOPTS_VALUE && trk->frag_discont) {
5716 trk->start_dts = pkt->dts;
5717 if (pkt->pts != AV_NOPTS_VALUE)
5718 trk->start_cts = pkt->pts - pkt->dts;
5723 return 0; /* Discard 0 sized packets */
5726 if (trk->entry && pkt->stream_index < s->nb_streams)
5727 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
5728 s->streams[pkt->stream_index]->time_base,
5730 if ((mov->max_fragment_duration &&
5731 frag_duration >= mov->max_fragment_duration) ||
5732 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
5733 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
5734 par->codec_type == AVMEDIA_TYPE_VIDEO &&
5735 trk->entry && pkt->flags & AV_PKT_FLAG_KEY) ||
5736 (mov->flags & FF_MOV_FLAG_FRAG_EVERY_FRAME)) {
5737 if (frag_duration >= mov->min_fragment_duration) {
5738 // Set the duration of this track to line up with the next
5739 // sample in this track. This avoids relying on AVPacket
5740 // duration, but only helps for this particular track, not
5741 // for the other ones that are flushed at the same time.
5742 trk->track_duration = pkt->dts - trk->start_dts;
5743 if (pkt->pts != AV_NOPTS_VALUE)
5744 trk->end_pts = pkt->pts;
5746 trk->end_pts = pkt->dts;
5747 trk->end_reliable = 1;
5748 mov_auto_flush_fragment(s, 0);
5752 return ff_mov_write_packet(s, pkt);
5755 static int mov_write_subtitle_end_packet(AVFormatContext *s,
5759 uint8_t data[2] = {0};
5762 av_init_packet(&end);
5763 end.size = sizeof(data);
5768 end.stream_index = stream_index;
5770 ret = mov_write_single_packet(s, &end);
5771 av_packet_unref(&end);
5776 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
5778 MOVMuxContext *mov = s->priv_data;
5782 mov_flush_fragment(s, 1);
5786 trk = &mov->tracks[pkt->stream_index];
5788 if (is_cover_image(trk->st)) {
5791 if (trk->st->nb_frames >= 1) {
5792 if (trk->st->nb_frames == 1)
5793 av_log(s, AV_LOG_WARNING, "Got more than one picture in stream %d,"
5794 " ignoring.\n", pkt->stream_index);
5798 if ((ret = av_packet_ref(&trk->cover_image, pkt)) < 0)
5806 return mov_write_single_packet(s, pkt); /* Passthrough. */
5809 * Subtitles require special handling.
5811 * 1) For full complaince, every track must have a sample at
5812 * dts == 0, which is rarely true for subtitles. So, as soon
5813 * as we see any packet with dts > 0, write an empty subtitle
5814 * at dts == 0 for any subtitle track with no samples in it.
5816 * 2) For each subtitle track, check if the current packet's
5817 * dts is past the duration of the last subtitle sample. If
5818 * so, we now need to write an end sample for that subtitle.
5820 * This must be done conditionally to allow for subtitles that
5821 * immediately replace each other, in which case an end sample
5822 * is not needed, and is, in fact, actively harmful.
5824 * 3) See mov_write_trailer for how the final end sample is
5827 for (i = 0; i < mov->nb_streams; i++) {
5828 MOVTrack *trk = &mov->tracks[i];
5831 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
5832 trk->track_duration < pkt->dts &&
5833 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
5834 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
5835 if (ret < 0) return ret;
5836 trk->last_sample_is_subtitle_end = 1;
5840 if (trk->mode == MODE_MOV && trk->par->codec_type == AVMEDIA_TYPE_VIDEO) {
5841 AVPacket *opkt = pkt;
5842 int reshuffle_ret, ret;
5843 if (trk->is_unaligned_qt_rgb) {
5844 int64_t bpc = trk->par->bits_per_coded_sample != 15 ? trk->par->bits_per_coded_sample : 16;
5845 int expected_stride = ((trk->par->width * bpc + 15) >> 4)*2;
5846 reshuffle_ret = ff_reshuffle_raw_rgb(s, &pkt, trk->par, expected_stride);
5847 if (reshuffle_ret < 0)
5848 return reshuffle_ret;
5851 if (trk->par->format == AV_PIX_FMT_PAL8 && !trk->pal_done) {
5852 ret = ff_get_packet_palette(s, opkt, reshuffle_ret, trk->palette);
5857 } else if (trk->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
5858 (trk->par->format == AV_PIX_FMT_GRAY8 ||
5859 trk->par->format == AV_PIX_FMT_MONOBLACK)) {
5860 for (i = 0; i < pkt->size; i++)
5861 pkt->data[i] = ~pkt->data[i];
5863 if (reshuffle_ret) {
5864 ret = mov_write_single_packet(s, pkt);
5867 av_packet_free(&pkt);
5872 return mov_write_single_packet(s, pkt);
5876 // QuickTime chapters involve an additional text track with the chapter names
5877 // as samples, and a tref pointing from the other tracks to the chapter one.
5878 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
5882 MOVMuxContext *mov = s->priv_data;
5883 MOVTrack *track = &mov->tracks[tracknum];
5884 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
5887 track->mode = mov->mode;
5888 track->tag = MKTAG('t','e','x','t');
5889 track->timescale = MOV_TIMESCALE;
5890 track->par = avcodec_parameters_alloc();
5892 return AVERROR(ENOMEM);
5893 track->par->codec_type = AVMEDIA_TYPE_SUBTITLE;
5895 // These properties are required to make QT recognize the chapter track
5896 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
5897 if (ff_alloc_extradata(track->par, sizeof(chapter_properties)))
5898 return AVERROR(ENOMEM);
5899 memcpy(track->par->extradata, chapter_properties, sizeof(chapter_properties));
5901 if (avio_open_dyn_buf(&pb) >= 0) {
5905 /* Stub header (usually for Quicktime chapter track) */
5907 avio_wb32(pb, 0x01); // displayFlags
5908 avio_w8(pb, 0x00); // horizontal justification
5909 avio_w8(pb, 0x00); // vertical justification
5910 avio_w8(pb, 0x00); // bgColourRed
5911 avio_w8(pb, 0x00); // bgColourGreen
5912 avio_w8(pb, 0x00); // bgColourBlue
5913 avio_w8(pb, 0x00); // bgColourAlpha
5915 avio_wb16(pb, 0x00); // defTextBoxTop
5916 avio_wb16(pb, 0x00); // defTextBoxLeft
5917 avio_wb16(pb, 0x00); // defTextBoxBottom
5918 avio_wb16(pb, 0x00); // defTextBoxRight
5920 avio_wb16(pb, 0x00); // startChar
5921 avio_wb16(pb, 0x00); // endChar
5922 avio_wb16(pb, 0x01); // fontID
5923 avio_w8(pb, 0x00); // fontStyleFlags
5924 avio_w8(pb, 0x00); // fontSize
5925 avio_w8(pb, 0x00); // fgColourRed
5926 avio_w8(pb, 0x00); // fgColourGreen
5927 avio_w8(pb, 0x00); // fgColourBlue
5928 avio_w8(pb, 0x00); // fgColourAlpha
5930 avio_wb32(pb, 0x0D); // box size
5931 ffio_wfourcc(pb, "ftab"); // box atom name
5932 avio_wb16(pb, 0x01); // entry count
5934 avio_wb16(pb, 0x01); // font ID
5935 avio_w8(pb, 0x00); // font name length
5937 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
5938 track->par->extradata = buf;
5939 track->par->extradata_size = size;
5946 for (i = 0; i < s->nb_chapters; i++) {
5947 AVChapter *c = s->chapters[i];
5948 AVDictionaryEntry *t;
5950 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
5951 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
5952 pkt.duration = end - pkt.dts;
5954 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
5955 static const char encd[12] = {
5956 0x00, 0x00, 0x00, 0x0C,
5958 0x00, 0x00, 0x01, 0x00 };
5959 len = strlen(t->value);
5960 pkt.size = len + 2 + 12;
5961 pkt.data = av_malloc(pkt.size);
5963 return AVERROR(ENOMEM);
5964 AV_WB16(pkt.data, len);
5965 memcpy(pkt.data + 2, t->value, len);
5966 memcpy(pkt.data + len + 2, encd, sizeof(encd));
5967 ff_mov_write_packet(s, &pkt);
5968 av_freep(&pkt.data);
5976 static int mov_check_timecode_track(AVFormatContext *s, AVTimecode *tc, int src_index, const char *tcstr)
5980 /* compute the frame number */
5981 ret = av_timecode_init_from_string(tc, find_fps(s, s->streams[src_index]), tcstr, s);
5985 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, AVTimecode tc)
5988 MOVMuxContext *mov = s->priv_data;
5989 MOVTrack *track = &mov->tracks[index];
5990 AVStream *src_st = s->streams[src_index];
5991 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
5992 AVRational rate = find_fps(s, src_st);
5994 /* tmcd track based on video stream */
5995 track->mode = mov->mode;
5996 track->tag = MKTAG('t','m','c','d');
5997 track->src_track = src_index;
5998 track->timescale = mov->tracks[src_index].timescale;
5999 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
6000 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
6002 /* set st to src_st for metadata access*/
6005 /* encode context: tmcd data stream */
6006 track->par = avcodec_parameters_alloc();
6008 return AVERROR(ENOMEM);
6009 track->par->codec_type = AVMEDIA_TYPE_DATA;
6010 track->par->codec_tag = track->tag;
6011 track->st->avg_frame_rate = av_inv_q(rate);
6013 /* the tmcd track just contains one packet with the frame number */
6014 pkt.data = av_malloc(pkt.size);
6016 return AVERROR(ENOMEM);
6017 AV_WB32(pkt.data, tc.start);
6018 ret = ff_mov_write_packet(s, &pkt);
6024 * st->disposition controls the "enabled" flag in the tkhd tag.
6025 * QuickTime will not play a track if it is not enabled. So make sure
6026 * that one track of each type (audio, video, subtitle) is enabled.
6028 * Subtitles are special. For audio and video, setting "enabled" also
6029 * makes the track "default" (i.e. it is rendered when played). For
6030 * subtitles, an "enabled" subtitle is not rendered by default, but
6031 * if no subtitle is enabled, the subtitle menu in QuickTime will be
6034 static void enable_tracks(AVFormatContext *s)
6036 MOVMuxContext *mov = s->priv_data;
6038 int enabled[AVMEDIA_TYPE_NB];
6039 int first[AVMEDIA_TYPE_NB];
6041 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
6046 for (i = 0; i < s->nb_streams; i++) {
6047 AVStream *st = s->streams[i];
6049 if (st->codecpar->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
6050 st->codecpar->codec_type >= AVMEDIA_TYPE_NB ||
6054 if (first[st->codecpar->codec_type] < 0)
6055 first[st->codecpar->codec_type] = i;
6056 if (st->disposition & AV_DISPOSITION_DEFAULT) {
6057 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
6058 enabled[st->codecpar->codec_type]++;
6062 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
6064 case AVMEDIA_TYPE_VIDEO:
6065 case AVMEDIA_TYPE_AUDIO:
6066 case AVMEDIA_TYPE_SUBTITLE:
6068 mov->per_stream_grouping = 1;
6069 if (!enabled[i] && first[i] >= 0)
6070 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
6076 static void mov_free(AVFormatContext *s)
6078 MOVMuxContext *mov = s->priv_data;
6081 if (mov->chapter_track) {
6082 if (mov->tracks[mov->chapter_track].par)
6083 av_freep(&mov->tracks[mov->chapter_track].par->extradata);
6084 av_freep(&mov->tracks[mov->chapter_track].par);
6087 for (i = 0; i < mov->nb_streams; i++) {
6088 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
6089 ff_mov_close_hinting(&mov->tracks[i]);
6090 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
6091 av_freep(&mov->tracks[i].par);
6092 av_freep(&mov->tracks[i].cluster);
6093 av_freep(&mov->tracks[i].frag_info);
6094 av_packet_unref(&mov->tracks[i].cover_image);
6096 if (mov->tracks[i].eac3_priv) {
6097 struct eac3_info *info = mov->tracks[i].eac3_priv;
6098 av_packet_unref(&info->pkt);
6099 av_freep(&mov->tracks[i].eac3_priv);
6101 if (mov->tracks[i].vos_len)
6102 av_freep(&mov->tracks[i].vos_data);
6104 ff_mov_cenc_free(&mov->tracks[i].cenc);
6107 av_freep(&mov->tracks);
6110 static uint32_t rgb_to_yuv(uint32_t rgb)
6115 r = (rgb >> 16) & 0xFF;
6116 g = (rgb >> 8) & 0xFF;
6119 y = av_clip_uint8(( 16000 + 257 * r + 504 * g + 98 * b)/1000);
6120 cb = av_clip_uint8((128000 - 148 * r - 291 * g + 439 * b)/1000);
6121 cr = av_clip_uint8((128000 + 439 * r - 368 * g - 71 * b)/1000);
6123 return (y << 16) | (cr << 8) | cb;
6126 static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track,
6129 int i, width = 720, height = 480;
6130 int have_palette = 0, have_size = 0;
6131 uint32_t palette[16];
6132 char *cur = st->codecpar->extradata;
6134 while (cur && *cur) {
6135 if (strncmp("palette:", cur, 8) == 0) {
6137 count = sscanf(cur + 8,
6138 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6139 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6140 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6141 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
6142 &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
6143 &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
6144 &palette[ 8], &palette[ 9], &palette[10], &palette[11],
6145 &palette[12], &palette[13], &palette[14], &palette[15]);
6147 for (i = 0; i < count; i++) {
6148 palette[i] = rgb_to_yuv(palette[i]);
6151 } else if (!strncmp("size:", cur, 5)) {
6152 sscanf(cur + 5, "%dx%d", &width, &height);
6155 if (have_palette && have_size)
6157 cur += strcspn(cur, "\n\r");
6158 cur += strspn(cur, "\n\r");
6161 track->vos_data = av_malloc(16*4 + AV_INPUT_BUFFER_PADDING_SIZE);
6162 if (!track->vos_data)
6163 return AVERROR(ENOMEM);
6164 for (i = 0; i < 16; i++) {
6165 AV_WB32(track->vos_data + i * 4, palette[i]);
6167 memset(track->vos_data + 16*4, 0, AV_INPUT_BUFFER_PADDING_SIZE);
6168 track->vos_len = 16 * 4;
6170 st->codecpar->width = width;
6171 st->codecpar->height = track->height = height;
6176 static int mov_init(AVFormatContext *s)
6178 MOVMuxContext *mov = s->priv_data;
6179 AVDictionaryEntry *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
6184 /* Default mode == MP4 */
6185 mov->mode = MODE_MP4;
6188 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
6189 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
6190 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
6191 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
6192 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
6193 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
6194 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
6197 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
6198 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV;
6200 /* Set the FRAGMENT flag if any of the fragmentation methods are
6202 if (mov->max_fragment_duration || mov->max_fragment_size ||
6203 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
6204 FF_MOV_FLAG_FRAG_KEYFRAME |
6205 FF_MOV_FLAG_FRAG_CUSTOM |
6206 FF_MOV_FLAG_FRAG_EVERY_FRAME))
6207 mov->flags |= FF_MOV_FLAG_FRAGMENT;
6209 /* Set other implicit flags immediately */
6210 if (mov->mode == MODE_ISM)
6211 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
6212 FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
6213 if (mov->flags & FF_MOV_FLAG_DASH)
6214 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
6215 FF_MOV_FLAG_DEFAULT_BASE_MOOF;
6216 if (mov->flags & FF_MOV_FLAG_CMAF)
6217 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
6218 FF_MOV_FLAG_DEFAULT_BASE_MOOF | FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
6220 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV && s->flags & AVFMT_FLAG_AUTO_BSF) {
6221 av_log(s, AV_LOG_VERBOSE, "Empty MOOV enabled; disabling automatic bitstream filtering\n");
6222 s->flags &= ~AVFMT_FLAG_AUTO_BSF;
6225 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX && mov->flags & FF_MOV_FLAG_SKIP_SIDX) {
6226 av_log(s, AV_LOG_WARNING, "Global SIDX enabled; Ignoring skip_sidx option\n");
6227 mov->flags &= ~FF_MOV_FLAG_SKIP_SIDX;
6230 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
6231 mov->reserved_moov_size = -1;
6234 if (mov->use_editlist < 0) {
6235 mov->use_editlist = 1;
6236 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
6237 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6238 // If we can avoid needing an edit list by shifting the
6239 // tracks, prefer that over (trying to) write edit lists
6240 // in fragmented output.
6241 if (s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO ||
6242 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO)
6243 mov->use_editlist = 0;
6245 if (mov->flags & FF_MOV_FLAG_CMAF) {
6246 // CMAF Track requires negative cts offsets without edit lists
6247 mov->use_editlist = 0;
6250 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
6251 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV) && mov->use_editlist)
6252 av_log(s, AV_LOG_WARNING, "No meaningful edit list will be written when using empty_moov without delay_moov\n");
6254 if (mov->flags & FF_MOV_FLAG_CMAF && mov->use_editlist) {
6255 av_log(s, AV_LOG_WARNING, "Edit list enabled; Assuming writing CMAF Track File\n");
6256 mov->flags &= ~FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
6258 if (!mov->use_editlist && s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO &&
6259 !(mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS))
6260 s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_ZERO;
6262 /* Clear the omit_tfhd_offset flag if default_base_moof is set;
6263 * if the latter is set that's enough and omit_tfhd_offset doesn't
6264 * add anything extra on top of that. */
6265 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
6266 mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
6267 mov->flags &= ~FF_MOV_FLAG_OMIT_TFHD_OFFSET;
6269 if (mov->frag_interleave &&
6270 mov->flags & (FF_MOV_FLAG_OMIT_TFHD_OFFSET | FF_MOV_FLAG_SEPARATE_MOOF)) {
6271 av_log(s, AV_LOG_ERROR,
6272 "Sample interleaving in fragments is mutually exclusive with "
6273 "omit_tfhd_offset and separate_moof\n");
6274 return AVERROR(EINVAL);
6277 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
6278 * is enabled, we don't support non-seekable output at all. */
6279 if (!(s->pb->seekable & AVIO_SEEKABLE_NORMAL) &&
6280 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
6281 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
6282 return AVERROR(EINVAL);
6285 mov->nb_streams = s->nb_streams;
6286 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
6287 mov->chapter_track = mov->nb_streams++;
6289 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6290 for (i = 0; i < s->nb_streams; i++)
6291 if (rtp_hinting_needed(s->streams[i]))
6295 if ( mov->write_tmcd == -1 && (mov->mode == MODE_MOV || mov->mode == MODE_MP4)
6296 || mov->write_tmcd == 1) {
6297 /* +1 tmcd track for each video stream with a timecode */
6298 for (i = 0; i < s->nb_streams; i++) {
6299 AVStream *st = s->streams[i];
6300 AVDictionaryEntry *t = global_tcr;
6301 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
6302 (t || (t=av_dict_get(st->metadata, "timecode", NULL, 0)))) {
6304 ret = mov_check_timecode_track(s, &tc, i, t->value);
6306 mov->nb_meta_tmcd++;
6310 /* check if there is already a tmcd track to remux */
6311 if (mov->nb_meta_tmcd) {
6312 for (i = 0; i < s->nb_streams; i++) {
6313 AVStream *st = s->streams[i];
6314 if (st->codecpar->codec_tag == MKTAG('t','m','c','d')) {
6315 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
6316 "so timecode metadata are now ignored\n");
6317 mov->nb_meta_tmcd = 0;
6322 mov->nb_streams += mov->nb_meta_tmcd;
6325 // Reserve an extra stream for chapters for the case where chapters
6326 // are written in the trailer
6327 mov->tracks = av_mallocz_array((mov->nb_streams + 1), sizeof(*mov->tracks));
6329 return AVERROR(ENOMEM);
6331 if (mov->encryption_scheme_str != NULL && strcmp(mov->encryption_scheme_str, "none") != 0) {
6332 if (strcmp(mov->encryption_scheme_str, "cenc-aes-ctr") == 0) {
6333 mov->encryption_scheme = MOV_ENC_CENC_AES_CTR;
6335 if (mov->encryption_key_len != AES_CTR_KEY_SIZE) {
6336 av_log(s, AV_LOG_ERROR, "Invalid encryption key len %d expected %d\n",
6337 mov->encryption_key_len, AES_CTR_KEY_SIZE);
6338 return AVERROR(EINVAL);
6341 if (mov->encryption_kid_len != CENC_KID_SIZE) {
6342 av_log(s, AV_LOG_ERROR, "Invalid encryption kid len %d expected %d\n",
6343 mov->encryption_kid_len, CENC_KID_SIZE);
6344 return AVERROR(EINVAL);
6347 av_log(s, AV_LOG_ERROR, "unsupported encryption scheme %s\n",
6348 mov->encryption_scheme_str);
6349 return AVERROR(EINVAL);
6353 for (i = 0; i < s->nb_streams; i++) {
6354 AVStream *st= s->streams[i];
6355 MOVTrack *track= &mov->tracks[i];
6356 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
6359 track->par = st->codecpar;
6360 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
6361 if (track->language < 0)
6362 track->language = 32767; // Unspecified Macintosh language code
6363 track->mode = mov->mode;
6364 track->tag = mov_find_codec_tag(s, track);
6366 av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, "
6367 "codec not currently supported in container\n",
6368 avcodec_get_name(st->codecpar->codec_id), i);
6369 return AVERROR(EINVAL);
6371 /* If hinting of this track is enabled by a later hint track,
6372 * this is updated. */
6373 track->hint_track = -1;
6374 track->start_dts = AV_NOPTS_VALUE;
6375 track->start_cts = AV_NOPTS_VALUE;
6376 track->end_pts = AV_NOPTS_VALUE;
6377 track->dts_shift = AV_NOPTS_VALUE;
6378 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
6379 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
6380 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
6381 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
6382 if (st->codecpar->width != 720 || (st->codecpar->height != 608 && st->codecpar->height != 512)) {
6383 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
6384 return AVERROR(EINVAL);
6386 track->height = track->tag >> 24 == 'n' ? 486 : 576;
6388 if (mov->video_track_timescale) {
6389 track->timescale = mov->video_track_timescale;
6390 if (mov->mode == MODE_ISM && mov->video_track_timescale != 10000000)
6391 av_log(s, AV_LOG_WARNING, "Warning: some tools, like mp4split, assume a timescale of 10000000 for ISMV.\n");
6393 track->timescale = st->time_base.den;
6394 while(track->timescale < 10000)
6395 track->timescale *= 2;
6397 if (st->codecpar->width > 65535 || st->codecpar->height > 65535) {
6398 av_log(s, AV_LOG_ERROR, "Resolution %dx%d too large for mov/mp4\n", st->codecpar->width, st->codecpar->height);
6399 return AVERROR(EINVAL);
6401 if (track->mode == MODE_MOV && track->timescale > 100000)
6402 av_log(s, AV_LOG_WARNING,
6403 "WARNING codec timebase is very high. If duration is too long,\n"
6404 "file may not be playable by quicktime. Specify a shorter timebase\n"
6405 "or choose different container.\n");
6406 if (track->mode == MODE_MOV &&
6407 track->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
6408 track->tag == MKTAG('r','a','w',' ')) {
6409 enum AVPixelFormat pix_fmt = track->par->format;
6410 if (pix_fmt == AV_PIX_FMT_NONE && track->par->bits_per_coded_sample == 1)
6411 pix_fmt = AV_PIX_FMT_MONOWHITE;
6412 track->is_unaligned_qt_rgb =
6413 pix_fmt == AV_PIX_FMT_RGB24 ||
6414 pix_fmt == AV_PIX_FMT_BGR24 ||
6415 pix_fmt == AV_PIX_FMT_PAL8 ||
6416 pix_fmt == AV_PIX_FMT_GRAY8 ||
6417 pix_fmt == AV_PIX_FMT_MONOWHITE ||
6418 pix_fmt == AV_PIX_FMT_MONOBLACK;
6420 if (track->par->codec_id == AV_CODEC_ID_VP9 ||
6421 track->par->codec_id == AV_CODEC_ID_AV1) {
6422 if (track->mode != MODE_MP4) {
6423 av_log(s, AV_LOG_ERROR, "%s only supported in MP4.\n", avcodec_get_name(track->par->codec_id));
6424 return AVERROR(EINVAL);
6426 } else if (track->par->codec_id == AV_CODEC_ID_VP8) {
6427 /* altref frames handling is not defined in the spec as of version v1.0,
6428 * so just forbid muxing VP8 streams altogether until a new version does */
6429 av_log(s, AV_LOG_ERROR, "VP8 muxing is currently not supported.\n");
6430 return AVERROR_PATCHWELCOME;
6432 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
6433 track->timescale = st->codecpar->sample_rate;
6434 if (!st->codecpar->frame_size && !av_get_bits_per_sample(st->codecpar->codec_id)) {
6435 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
6436 track->audio_vbr = 1;
6437 }else if (st->codecpar->codec_id == AV_CODEC_ID_ADPCM_MS ||
6438 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
6439 st->codecpar->codec_id == AV_CODEC_ID_ILBC){
6440 if (!st->codecpar->block_align) {
6441 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
6442 return AVERROR(EINVAL);
6444 track->sample_size = st->codecpar->block_align;
6445 }else if (st->codecpar->frame_size > 1){ /* assume compressed audio */
6446 track->audio_vbr = 1;
6448 track->sample_size = (av_get_bits_per_sample(st->codecpar->codec_id) >> 3) * st->codecpar->channels;
6450 if (st->codecpar->codec_id == AV_CODEC_ID_ILBC ||
6451 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_QT) {
6452 track->audio_vbr = 1;
6454 if (track->mode != MODE_MOV &&
6455 track->par->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
6456 if (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL) {
6457 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not standard, to mux anyway set strict to -1\n",
6458 i, track->par->sample_rate);
6459 return AVERROR(EINVAL);
6461 av_log(s, AV_LOG_WARNING, "track %d: muxing mp3 at %dhz is not standard in MP4\n",
6462 i, track->par->sample_rate);
6465 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
6466 track->par->codec_id == AV_CODEC_ID_TRUEHD ||
6467 track->par->codec_id == AV_CODEC_ID_OPUS) {
6468 if (track->mode != MODE_MP4) {
6469 av_log(s, AV_LOG_ERROR, "%s only supported in MP4.\n", avcodec_get_name(track->par->codec_id));
6470 return AVERROR(EINVAL);
6472 if (track->par->codec_id != AV_CODEC_ID_OPUS &&
6473 s->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
6474 av_log(s, AV_LOG_ERROR,
6475 "%s in MP4 support is experimental, add "
6476 "'-strict %d' if you want to use it.\n",
6477 avcodec_get_name(track->par->codec_id), FF_COMPLIANCE_EXPERIMENTAL);
6478 return AVERROR_EXPERIMENTAL;
6481 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
6482 track->timescale = st->time_base.den;
6483 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) {
6484 track->timescale = st->time_base.den;
6486 track->timescale = MOV_TIMESCALE;
6489 track->height = st->codecpar->height;
6490 /* The Protected Interoperable File Format (PIFF) standard, used by ISMV recommends but
6491 doesn't mandate a track timescale of 10,000,000. The muxer allows a custom timescale
6492 for video tracks, so if user-set, it isn't overwritten */
6493 if (mov->mode == MODE_ISM &&
6494 (st->codecpar->codec_type != AVMEDIA_TYPE_VIDEO ||
6495 (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && !mov->video_track_timescale))) {
6496 track->timescale = 10000000;
6499 avpriv_set_pts_info(st, 64, 1, track->timescale);
6501 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
6502 ret = ff_mov_cenc_init(&track->cenc, mov->encryption_key,
6503 track->par->codec_id == AV_CODEC_ID_H264, s->flags & AVFMT_FLAG_BITEXACT);
6513 static int mov_write_header(AVFormatContext *s)
6515 AVIOContext *pb = s->pb;
6516 MOVMuxContext *mov = s->priv_data;
6517 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
6518 int i, ret, hint_track = 0, tmcd_track = 0, nb_tracks = s->nb_streams;
6520 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
6523 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6524 hint_track = nb_tracks;
6525 for (i = 0; i < s->nb_streams; i++)
6526 if (rtp_hinting_needed(s->streams[i]))
6530 if (mov->nb_meta_tmcd)
6531 tmcd_track = nb_tracks;
6533 for (i = 0; i < s->nb_streams; i++) {
6535 AVStream *st= s->streams[i];
6536 MOVTrack *track= &mov->tracks[i];
6538 /* copy extradata if it exists */
6539 if (st->codecpar->extradata_size) {
6540 if (st->codecpar->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
6541 mov_create_dvd_sub_decoder_specific_info(track, st);
6542 else if (!TAG_IS_AVCI(track->tag) && st->codecpar->codec_id != AV_CODEC_ID_DNXHD) {
6543 track->vos_len = st->codecpar->extradata_size;
6544 track->vos_data = av_malloc(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
6545 if (!track->vos_data) {
6546 return AVERROR(ENOMEM);
6548 memcpy(track->vos_data, st->codecpar->extradata, track->vos_len);
6549 memset(track->vos_data + track->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
6553 if (st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
6554 track->par->channel_layout != AV_CH_LAYOUT_MONO)
6557 for (j = 0; j < s->nb_streams; j++) {
6558 AVStream *stj= s->streams[j];
6559 MOVTrack *trackj= &mov->tracks[j];
6563 if (stj->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
6564 trackj->par->channel_layout != AV_CH_LAYOUT_MONO ||
6565 trackj->language != track->language ||
6566 trackj->tag != track->tag
6569 track->multichannel_as_mono++;
6573 if (!(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6574 if ((ret = mov_write_identification(pb, s)) < 0)
6578 if (mov->reserved_moov_size){
6579 mov->reserved_header_pos = avio_tell(pb);
6580 if (mov->reserved_moov_size > 0)
6581 avio_skip(pb, mov->reserved_moov_size);
6584 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
6585 /* If no fragmentation options have been set, set a default. */
6586 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
6587 FF_MOV_FLAG_FRAG_CUSTOM |
6588 FF_MOV_FLAG_FRAG_EVERY_FRAME)) &&
6589 !mov->max_fragment_duration && !mov->max_fragment_size)
6590 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
6592 if (mov->flags & FF_MOV_FLAG_FASTSTART)
6593 mov->reserved_header_pos = avio_tell(pb);
6594 mov_write_mdat_tag(pb, mov);
6597 ff_parse_creation_time_metadata(s, &mov->time, 1);
6599 mov->time += 0x7C25B080; // 1970 based -> 1904 based
6601 if (mov->chapter_track)
6602 if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0)
6605 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6606 for (i = 0; i < s->nb_streams; i++) {
6607 if (rtp_hinting_needed(s->streams[i])) {
6608 if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0)
6615 if (mov->nb_meta_tmcd) {
6616 /* Initialize the tmcd tracks */
6617 for (i = 0; i < s->nb_streams; i++) {
6618 AVStream *st = s->streams[i];
6621 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
6624 t = av_dict_get(st->metadata, "timecode", NULL, 0);
6627 if (mov_check_timecode_track(s, &tc, i, t->value) < 0)
6629 if ((ret = mov_create_timecode_track(s, tmcd_track, i, tc)) < 0)
6638 if (mov->flags & FF_MOV_FLAG_ISML)
6639 mov_write_isml_manifest(pb, mov, s);
6641 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
6642 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6643 if ((ret = mov_write_moov_tag(pb, mov, s)) < 0)
6645 mov->moov_written = 1;
6646 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
6647 mov->reserved_header_pos = avio_tell(pb);
6653 static int get_moov_size(AVFormatContext *s)
6656 AVIOContext *moov_buf;
6657 MOVMuxContext *mov = s->priv_data;
6659 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
6661 if ((ret = mov_write_moov_tag(moov_buf, mov, s)) < 0)
6663 return ffio_close_null_buf(moov_buf);
6666 static int get_sidx_size(AVFormatContext *s)
6670 MOVMuxContext *mov = s->priv_data;
6672 if ((ret = ffio_open_null_buf(&buf)) < 0)
6674 mov_write_sidx_tags(buf, mov, -1, 0);
6675 return ffio_close_null_buf(buf);
6679 * This function gets the moov size if moved to the top of the file: the chunk
6680 * offset table can switch between stco (32-bit entries) to co64 (64-bit
6681 * entries) when the moov is moved to the beginning, so the size of the moov
6682 * would change. It also updates the chunk offset tables.
6684 static int compute_moov_size(AVFormatContext *s)
6686 int i, moov_size, moov_size2;
6687 MOVMuxContext *mov = s->priv_data;
6689 moov_size = get_moov_size(s);
6693 for (i = 0; i < mov->nb_streams; i++)
6694 mov->tracks[i].data_offset += moov_size;
6696 moov_size2 = get_moov_size(s);
6700 /* if the size changed, we just switched from stco to co64 and need to
6701 * update the offsets */
6702 if (moov_size2 != moov_size)
6703 for (i = 0; i < mov->nb_streams; i++)
6704 mov->tracks[i].data_offset += moov_size2 - moov_size;
6709 static int compute_sidx_size(AVFormatContext *s)
6712 MOVMuxContext *mov = s->priv_data;
6714 sidx_size = get_sidx_size(s);
6718 for (i = 0; i < mov->nb_streams; i++)
6719 mov->tracks[i].data_offset += sidx_size;
6724 static int shift_data(AVFormatContext *s)
6726 int ret = 0, moov_size;
6727 MOVMuxContext *mov = s->priv_data;
6728 int64_t pos, pos_end;
6729 uint8_t *buf, *read_buf[2];
6730 int read_buf_id = 0;
6732 AVIOContext *read_pb;
6734 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
6735 moov_size = compute_sidx_size(s);
6737 moov_size = compute_moov_size(s);
6741 buf = av_malloc(moov_size * 2);
6743 return AVERROR(ENOMEM);
6745 read_buf[1] = buf + moov_size;
6747 /* Shift the data: the AVIO context of the output can only be used for
6748 * writing, so we re-open the same output, but for reading. It also avoids
6749 * a read/seek/write/seek back and forth. */
6751 ret = s->io_open(s, &read_pb, s->url, AVIO_FLAG_READ, NULL);
6753 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
6754 "the second pass (faststart)\n", s->url);
6758 /* mark the end of the shift to up to the last data we wrote, and get ready
6760 pos_end = avio_tell(s->pb);
6761 avio_seek(s->pb, mov->reserved_header_pos + moov_size, SEEK_SET);
6763 /* start reading at where the new moov will be placed */
6764 avio_seek(read_pb, mov->reserved_header_pos, SEEK_SET);
6765 pos = avio_tell(read_pb);
6767 #define READ_BLOCK do { \
6768 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
6772 /* shift data by chunk of at most moov_size */
6777 n = read_size[read_buf_id];
6780 avio_write(s->pb, read_buf[read_buf_id], n);
6782 } while (pos < pos_end);
6783 ff_format_io_close(s, &read_pb);
6790 static int mov_write_trailer(AVFormatContext *s)
6792 MOVMuxContext *mov = s->priv_data;
6793 AVIOContext *pb = s->pb;
6798 if (mov->need_rewrite_extradata) {
6799 for (i = 0; i < s->nb_streams; i++) {
6800 MOVTrack *track = &mov->tracks[i];
6801 AVCodecParameters *par = track->par;
6803 track->vos_len = par->extradata_size;
6804 track->vos_data = av_malloc(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
6805 if (!track->vos_data)
6806 return AVERROR(ENOMEM);
6807 memcpy(track->vos_data, par->extradata, track->vos_len);
6808 memset(track->vos_data + track->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
6810 mov->need_rewrite_extradata = 0;
6814 * Before actually writing the trailer, make sure that there are no
6815 * dangling subtitles, that need a terminating sample.
6817 for (i = 0; i < mov->nb_streams; i++) {
6818 MOVTrack *trk = &mov->tracks[i];
6819 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
6820 !trk->last_sample_is_subtitle_end) {
6821 mov_write_subtitle_end_packet(s, i, trk->track_duration);
6822 trk->last_sample_is_subtitle_end = 1;
6826 // If there were no chapters when the header was written, but there
6827 // are chapters now, write them in the trailer. This only works
6828 // when we are not doing fragments.
6829 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
6830 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
6831 mov->chapter_track = mov->nb_streams++;
6832 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
6837 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
6838 moov_pos = avio_tell(pb);
6840 /* Write size of mdat tag */
6841 if (mov->mdat_size + 8 <= UINT32_MAX) {
6842 avio_seek(pb, mov->mdat_pos, SEEK_SET);
6843 avio_wb32(pb, mov->mdat_size + 8);
6845 /* overwrite 'wide' placeholder atom */
6846 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
6847 /* special value: real atom size will be 64 bit value after
6850 ffio_wfourcc(pb, "mdat");
6851 avio_wb64(pb, mov->mdat_size + 16);
6853 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_header_pos : moov_pos, SEEK_SET);
6855 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
6856 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
6857 res = shift_data(s);
6860 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
6861 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6863 } else if (mov->reserved_moov_size > 0) {
6865 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6867 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_header_pos);
6869 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
6870 return AVERROR(EINVAL);
6872 avio_wb32(pb, size);
6873 ffio_wfourcc(pb, "free");
6874 ffio_fill(pb, 0, size - 8);
6875 avio_seek(pb, moov_pos, SEEK_SET);
6877 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6882 mov_auto_flush_fragment(s, 1);
6883 for (i = 0; i < mov->nb_streams; i++)
6884 mov->tracks[i].data_offset = 0;
6885 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) {
6887 av_log(s, AV_LOG_INFO, "Starting second pass: inserting sidx atoms\n");
6888 res = shift_data(s);
6891 end = avio_tell(pb);
6892 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
6893 mov_write_sidx_tags(pb, mov, -1, 0);
6894 avio_seek(pb, end, SEEK_SET);
6896 if (!(mov->flags & FF_MOV_FLAG_SKIP_TRAILER)) {
6897 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_TRAILER);
6898 mov_write_mfra_tag(pb, mov);
6905 static int mov_check_bitstream(struct AVFormatContext *s, const AVPacket *pkt)
6908 AVStream *st = s->streams[pkt->stream_index];
6910 if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
6911 if (pkt->size > 2 && (AV_RB16(pkt->data) & 0xfff0) == 0xfff0)
6912 ret = ff_stream_add_bitstream_filter(st, "aac_adtstoasc", NULL);
6913 } else if (st->codecpar->codec_id == AV_CODEC_ID_VP9) {
6914 ret = ff_stream_add_bitstream_filter(st, "vp9_superframe", NULL);
6920 static const AVCodecTag codec_3gp_tags[] = {
6921 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
6922 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
6923 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
6924 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
6925 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
6926 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
6927 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
6928 { AV_CODEC_ID_NONE, 0 },
6931 const AVCodecTag codec_mp4_tags[] = {
6932 { AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
6933 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') },
6934 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '3') },
6935 { AV_CODEC_ID_HEVC, MKTAG('h', 'e', 'v', '1') },
6936 { AV_CODEC_ID_HEVC, MKTAG('h', 'v', 'c', '1') },
6937 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', '4', 'v') },
6938 { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', '4', 'v') },
6939 { AV_CODEC_ID_MJPEG, MKTAG('m', 'p', '4', 'v') },
6940 { AV_CODEC_ID_PNG, MKTAG('m', 'p', '4', 'v') },
6941 { AV_CODEC_ID_JPEG2000, MKTAG('m', 'p', '4', 'v') },
6942 { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') },
6943 { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
6944 { AV_CODEC_ID_TSCC2, MKTAG('m', 'p', '4', 'v') },
6945 { AV_CODEC_ID_VP9, MKTAG('v', 'p', '0', '9') },
6946 { AV_CODEC_ID_AV1, MKTAG('a', 'v', '0', '1') },
6947 { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
6948 { AV_CODEC_ID_MP4ALS, MKTAG('m', 'p', '4', 'a') },
6949 { AV_CODEC_ID_MP3, MKTAG('m', 'p', '4', 'a') },
6950 { AV_CODEC_ID_MP2, MKTAG('m', 'p', '4', 'a') },
6951 { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') },
6952 { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') },
6953 { AV_CODEC_ID_DTS, MKTAG('m', 'p', '4', 'a') },
6954 { AV_CODEC_ID_TRUEHD, MKTAG('m', 'l', 'p', 'a') },
6955 { AV_CODEC_ID_FLAC, MKTAG('f', 'L', 'a', 'C') },
6956 { AV_CODEC_ID_OPUS, MKTAG('O', 'p', 'u', 's') },
6957 { AV_CODEC_ID_VORBIS, MKTAG('m', 'p', '4', 'a') },
6958 { AV_CODEC_ID_QCELP, MKTAG('m', 'p', '4', 'a') },
6959 { AV_CODEC_ID_EVRC, MKTAG('m', 'p', '4', 'a') },
6960 { AV_CODEC_ID_DVD_SUBTITLE, MKTAG('m', 'p', '4', 's') },
6961 { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
6962 { AV_CODEC_ID_BIN_DATA, MKTAG('g', 'p', 'm', 'd') },
6963 { AV_CODEC_ID_MPEGH_3D_AUDIO, MKTAG('m', 'h', 'm', '1') },
6964 { AV_CODEC_ID_NONE, 0 },
6967 const AVCodecTag codec_ism_tags[] = {
6968 { AV_CODEC_ID_WMAPRO , MKTAG('w', 'm', 'a', ' ') },
6969 { AV_CODEC_ID_NONE , 0 },
6972 static const AVCodecTag codec_ipod_tags[] = {
6973 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
6974 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
6975 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
6976 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
6977 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
6978 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
6979 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
6980 { AV_CODEC_ID_NONE, 0 },
6983 static const AVCodecTag codec_f4v_tags[] = {
6984 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
6985 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
6986 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
6987 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
6988 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
6989 { AV_CODEC_ID_NONE, 0 },
6992 #if CONFIG_MOV_MUXER
6994 AVOutputFormat ff_mov_muxer = {
6996 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
6997 .extensions = "mov",
6998 .priv_data_size = sizeof(MOVMuxContext),
6999 .audio_codec = AV_CODEC_ID_AAC,
7000 .video_codec = CONFIG_LIBX264_ENCODER ?
7001 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
7003 .write_header = mov_write_header,
7004 .write_packet = mov_write_packet,
7005 .write_trailer = mov_write_trailer,
7007 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7008 .codec_tag = (const AVCodecTag* const []){
7009 ff_codec_movvideo_tags, ff_codec_movaudio_tags, ff_codec_movsubtitle_tags, 0
7011 .check_bitstream = mov_check_bitstream,
7012 .priv_class = &mov_muxer_class,
7015 #if CONFIG_TGP_MUXER
7017 AVOutputFormat ff_tgp_muxer = {
7019 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
7020 .extensions = "3gp",
7021 .priv_data_size = sizeof(MOVMuxContext),
7022 .audio_codec = AV_CODEC_ID_AMR_NB,
7023 .video_codec = AV_CODEC_ID_H263,
7025 .write_header = mov_write_header,
7026 .write_packet = mov_write_packet,
7027 .write_trailer = mov_write_trailer,
7029 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7030 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
7031 .check_bitstream = mov_check_bitstream,
7032 .priv_class = &tgp_muxer_class,
7035 #if CONFIG_MP4_MUXER
7037 AVOutputFormat ff_mp4_muxer = {
7039 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
7040 .mime_type = "video/mp4",
7041 .extensions = "mp4",
7042 .priv_data_size = sizeof(MOVMuxContext),
7043 .audio_codec = AV_CODEC_ID_AAC,
7044 .video_codec = CONFIG_LIBX264_ENCODER ?
7045 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
7047 .write_header = mov_write_header,
7048 .write_packet = mov_write_packet,
7049 .write_trailer = mov_write_trailer,
7051 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7052 .codec_tag = (const AVCodecTag* const []){ codec_mp4_tags, 0 },
7053 .check_bitstream = mov_check_bitstream,
7054 .priv_class = &mp4_muxer_class,
7057 #if CONFIG_PSP_MUXER
7059 AVOutputFormat ff_psp_muxer = {
7061 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
7062 .extensions = "mp4,psp",
7063 .priv_data_size = sizeof(MOVMuxContext),
7064 .audio_codec = AV_CODEC_ID_AAC,
7065 .video_codec = CONFIG_LIBX264_ENCODER ?
7066 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
7068 .write_header = mov_write_header,
7069 .write_packet = mov_write_packet,
7070 .write_trailer = mov_write_trailer,
7072 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7073 .codec_tag = (const AVCodecTag* const []){ codec_mp4_tags, 0 },
7074 .check_bitstream = mov_check_bitstream,
7075 .priv_class = &psp_muxer_class,
7078 #if CONFIG_TG2_MUXER
7080 AVOutputFormat ff_tg2_muxer = {
7082 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
7083 .extensions = "3g2",
7084 .priv_data_size = sizeof(MOVMuxContext),
7085 .audio_codec = AV_CODEC_ID_AMR_NB,
7086 .video_codec = AV_CODEC_ID_H263,
7088 .write_header = mov_write_header,
7089 .write_packet = mov_write_packet,
7090 .write_trailer = mov_write_trailer,
7092 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7093 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
7094 .check_bitstream = mov_check_bitstream,
7095 .priv_class = &tg2_muxer_class,
7098 #if CONFIG_IPOD_MUXER
7100 AVOutputFormat ff_ipod_muxer = {
7102 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
7103 .mime_type = "video/mp4",
7104 .extensions = "m4v,m4a,m4b",
7105 .priv_data_size = sizeof(MOVMuxContext),
7106 .audio_codec = AV_CODEC_ID_AAC,
7107 .video_codec = AV_CODEC_ID_H264,
7109 .write_header = mov_write_header,
7110 .write_packet = mov_write_packet,
7111 .write_trailer = mov_write_trailer,
7113 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7114 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
7115 .check_bitstream = mov_check_bitstream,
7116 .priv_class = &ipod_muxer_class,
7119 #if CONFIG_ISMV_MUXER
7121 AVOutputFormat ff_ismv_muxer = {
7123 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
7124 .mime_type = "video/mp4",
7125 .extensions = "ismv,isma",
7126 .priv_data_size = sizeof(MOVMuxContext),
7127 .audio_codec = AV_CODEC_ID_AAC,
7128 .video_codec = AV_CODEC_ID_H264,
7130 .write_header = mov_write_header,
7131 .write_packet = mov_write_packet,
7132 .write_trailer = mov_write_trailer,
7134 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7135 .codec_tag = (const AVCodecTag* const []){
7136 codec_mp4_tags, codec_ism_tags, 0 },
7137 .check_bitstream = mov_check_bitstream,
7138 .priv_class = &ismv_muxer_class,
7141 #if CONFIG_F4V_MUXER
7143 AVOutputFormat ff_f4v_muxer = {
7145 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
7146 .mime_type = "application/f4v",
7147 .extensions = "f4v",
7148 .priv_data_size = sizeof(MOVMuxContext),
7149 .audio_codec = AV_CODEC_ID_AAC,
7150 .video_codec = AV_CODEC_ID_H264,
7152 .write_header = mov_write_header,
7153 .write_packet = mov_write_packet,
7154 .write_trailer = mov_write_trailer,
7156 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
7157 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
7158 .check_bitstream = mov_check_bitstream,
7159 .priv_class = &f4v_muxer_class,