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 { "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" },
76 { "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" },
77 { "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" },
78 { "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" },
79 { "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" },
80 { "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" },
81 { "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" },
82 { "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" },
83 { "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" },
84 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
85 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
86 { "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},
87 { "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},
88 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
89 { "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},
90 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
91 { "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},
92 { "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},
93 { "brand", "Override major brand", offsetof(MOVMuxContext, major_brand), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
94 { "use_editlist", "use edit list", offsetof(MOVMuxContext, use_editlist), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
95 { "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},
96 { "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},
97 { "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 },
98 { "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 },
99 { "encryption_key", "The media encryption key (hex)", offsetof(MOVMuxContext, encryption_key), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_ENCODING_PARAM },
100 { "encryption_kid", "The media encryption key identifier (hex)", offsetof(MOVMuxContext, encryption_kid), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_ENCODING_PARAM },
101 { "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},
102 { "write_tmcd", "force or disable writing tmcd", offsetof(MOVMuxContext, write_tmcd), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
103 { "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"},
104 { "wallclock", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = MOV_PRFT_SRC_WALLCLOCK}, 0, 0, AV_OPT_FLAG_ENCODING_PARAM, "prft"},
105 { "pts", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = MOV_PRFT_SRC_PTS}, 0, 0, AV_OPT_FLAG_ENCODING_PARAM, "prft"},
106 { "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},
110 #define MOV_CLASS(flavor)\
111 static const AVClass flavor ## _muxer_class = {\
112 .class_name = #flavor " muxer",\
113 .item_name = av_default_item_name,\
115 .version = LIBAVUTIL_VERSION_INT,\
118 static int get_moov_size(AVFormatContext *s);
120 static int utf8len(const uint8_t *b)
125 GET_UTF8(val, *b++, return -1;)
131 //FIXME support 64 bit variant with wide placeholders
132 static int64_t update_size(AVIOContext *pb, int64_t pos)
134 int64_t curpos = avio_tell(pb);
135 avio_seek(pb, pos, SEEK_SET);
136 avio_wb32(pb, curpos - pos); /* rewrite size */
137 avio_seek(pb, curpos, SEEK_SET);
142 static int co64_required(const MOVTrack *track)
144 if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX)
149 static int is_cover_image(const AVStream *st)
151 /* Eg. AV_DISPOSITION_ATTACHED_PIC | AV_DISPOSITION_TIMED_THUMBNAILS
152 * is encoded as sparse video track */
153 return st && st->disposition == AV_DISPOSITION_ATTACHED_PIC;
156 static int rtp_hinting_needed(const AVStream *st)
158 /* Add hint tracks for each real audio and video stream */
159 if (is_cover_image(st))
161 return st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
162 st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO;
165 /* Chunk offset atom */
166 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
169 int mode64 = co64_required(track); // use 32 bit size variant if possible
170 int64_t pos = avio_tell(pb);
171 avio_wb32(pb, 0); /* size */
173 ffio_wfourcc(pb, "co64");
175 ffio_wfourcc(pb, "stco");
176 avio_wb32(pb, 0); /* version & flags */
177 avio_wb32(pb, track->chunkCount); /* entry count */
178 for (i = 0; i < track->entry; i++) {
179 if (!track->cluster[i].chunkNum)
182 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
184 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
186 return update_size(pb, pos);
189 /* Sample size atom */
190 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
193 int i, j, entries = 0, tst = -1, oldtst = -1;
195 int64_t pos = avio_tell(pb);
196 avio_wb32(pb, 0); /* size */
197 ffio_wfourcc(pb, "stsz");
198 avio_wb32(pb, 0); /* version & flags */
200 for (i = 0; i < track->entry; i++) {
201 tst = track->cluster[i].size / track->cluster[i].entries;
202 if (oldtst != -1 && tst != oldtst)
205 entries += track->cluster[i].entries;
207 if (equalChunks && track->entry) {
208 int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0;
209 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
210 avio_wb32(pb, sSize); // sample size
211 avio_wb32(pb, entries); // sample count
213 avio_wb32(pb, 0); // sample size
214 avio_wb32(pb, entries); // sample count
215 for (i = 0; i < track->entry; i++) {
216 for (j = 0; j < track->cluster[i].entries; j++) {
217 avio_wb32(pb, track->cluster[i].size /
218 track->cluster[i].entries);
222 return update_size(pb, pos);
225 /* Sample to chunk atom */
226 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
228 int index = 0, oldval = -1, i;
229 int64_t entryPos, curpos;
231 int64_t pos = avio_tell(pb);
232 avio_wb32(pb, 0); /* size */
233 ffio_wfourcc(pb, "stsc");
234 avio_wb32(pb, 0); // version & flags
235 entryPos = avio_tell(pb);
236 avio_wb32(pb, track->chunkCount); // entry count
237 for (i = 0; i < track->entry; i++) {
238 if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum) {
239 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
240 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
241 avio_wb32(pb, 0x1); // sample description index
242 oldval = track->cluster[i].samples_in_chunk;
246 curpos = avio_tell(pb);
247 avio_seek(pb, entryPos, SEEK_SET);
248 avio_wb32(pb, index); // rewrite size
249 avio_seek(pb, curpos, SEEK_SET);
251 return update_size(pb, pos);
254 /* Sync sample atom */
255 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
257 int64_t curpos, entryPos;
259 int64_t pos = avio_tell(pb);
260 avio_wb32(pb, 0); // size
261 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
262 avio_wb32(pb, 0); // version & flags
263 entryPos = avio_tell(pb);
264 avio_wb32(pb, track->entry); // entry count
265 for (i = 0; i < track->entry; i++) {
266 if (track->cluster[i].flags & flag) {
267 avio_wb32(pb, i + 1);
271 curpos = avio_tell(pb);
272 avio_seek(pb, entryPos, SEEK_SET);
273 avio_wb32(pb, index); // rewrite size
274 avio_seek(pb, curpos, SEEK_SET);
275 return update_size(pb, pos);
278 /* Sample dependency atom */
279 static int mov_write_sdtp_tag(AVIOContext *pb, MOVTrack *track)
282 uint8_t leading, dependent, reference, redundancy;
283 int64_t pos = avio_tell(pb);
284 avio_wb32(pb, 0); // size
285 ffio_wfourcc(pb, "sdtp");
286 avio_wb32(pb, 0); // version & flags
287 for (i = 0; i < track->entry; i++) {
288 dependent = MOV_SAMPLE_DEPENDENCY_YES;
289 leading = reference = redundancy = MOV_SAMPLE_DEPENDENCY_UNKNOWN;
290 if (track->cluster[i].flags & MOV_DISPOSABLE_SAMPLE) {
291 reference = MOV_SAMPLE_DEPENDENCY_NO;
293 if (track->cluster[i].flags & MOV_SYNC_SAMPLE) {
294 dependent = MOV_SAMPLE_DEPENDENCY_NO;
296 avio_w8(pb, (leading << 6) | (dependent << 4) |
297 (reference << 2) | redundancy);
299 return update_size(pb, pos);
302 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
304 avio_wb32(pb, 0x11); /* size */
305 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
306 else ffio_wfourcc(pb, "damr");
307 ffio_wfourcc(pb, "FFMP");
308 avio_w8(pb, 0); /* decoder version */
310 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
311 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
312 avio_w8(pb, 0x01); /* Frames per sample */
316 static int mov_write_ac3_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
321 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
323 if (track->vos_len < 7) {
324 av_log(s, AV_LOG_ERROR,
325 "Cannot write moov atom before AC3 packets."
326 " Set the delay_moov flag to fix this.\n");
327 return AVERROR(EINVAL);
331 ffio_wfourcc(pb, "dac3");
333 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
334 fscod = get_bits(&gbc, 2);
335 frmsizecod = get_bits(&gbc, 6);
336 bsid = get_bits(&gbc, 5);
337 bsmod = get_bits(&gbc, 3);
338 acmod = get_bits(&gbc, 3);
340 skip_bits(&gbc, 2); // dsurmod
342 if ((acmod & 1) && acmod != 1)
343 skip_bits(&gbc, 2); // cmixlev
345 skip_bits(&gbc, 2); // surmixlev
347 lfeon = get_bits1(&gbc);
349 init_put_bits(&pbc, buf, sizeof(buf));
350 put_bits(&pbc, 2, fscod);
351 put_bits(&pbc, 5, bsid);
352 put_bits(&pbc, 3, bsmod);
353 put_bits(&pbc, 3, acmod);
354 put_bits(&pbc, 1, lfeon);
355 put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code
356 put_bits(&pbc, 5, 0); // reserved
358 flush_put_bits(&pbc);
359 avio_write(pb, buf, sizeof(buf));
369 /* Layout of the EC3SpecificBox */
370 /* maximum bitrate */
372 /* number of independent substreams */
375 /* sample rate code (see ff_ac3_sample_rate_tab) 2 bits */
377 /* bit stream identification 5 bits */
379 /* one bit reserved */
380 /* audio service mixing (not supported yet) 1 bit */
381 /* bit stream mode 3 bits */
383 /* audio coding mode 3 bits */
385 /* sub woofer on 1 bit */
387 /* 3 bits reserved */
388 /* number of dependent substreams associated with this substream 4 bits */
390 /* channel locations of the dependent substream(s), if any, 9 bits */
392 /* if there is no dependent substream, then one bit reserved instead */
393 } substream[1]; /* TODO: support 8 independent substreams */
396 #if CONFIG_AC3_PARSER
397 static int handle_eac3(MOVMuxContext *mov, AVPacket *pkt, MOVTrack *track)
399 AC3HeaderInfo *hdr = NULL;
400 struct eac3_info *info;
403 if (!track->eac3_priv && !(track->eac3_priv = av_mallocz(sizeof(*info))))
404 return AVERROR(ENOMEM);
405 info = track->eac3_priv;
407 if (avpriv_ac3_parse_header(&hdr, pkt->data, pkt->size) < 0) {
408 /* drop the packets until we see a good one */
410 av_log(mov->fc, AV_LOG_WARNING, "Dropping invalid packet from start of the stream\n");
413 ret = AVERROR_INVALIDDATA;
417 info->data_rate = FFMAX(info->data_rate, hdr->bit_rate / 1000);
418 num_blocks = hdr->num_blocks;
420 if (!info->ec3_done) {
421 /* AC-3 substream must be the first one */
422 if (hdr->bitstream_id <= 10 && hdr->substreamid != 0) {
423 ret = AVERROR(EINVAL);
427 /* this should always be the case, given that our AC-3 parser
428 * concatenates dependent frames to their independent parent */
429 if (hdr->frame_type == EAC3_FRAME_TYPE_INDEPENDENT) {
430 /* substream ids must be incremental */
431 if (hdr->substreamid > info->num_ind_sub + 1) {
432 ret = AVERROR(EINVAL);
436 if (hdr->substreamid == info->num_ind_sub + 1) {
437 //info->num_ind_sub++;
438 avpriv_request_sample(mov->fc, "Multiple independent substreams");
439 ret = AVERROR_PATCHWELCOME;
441 } else if (hdr->substreamid < info->num_ind_sub ||
442 hdr->substreamid == 0 && info->substream[0].bsid) {
447 if (hdr->substreamid != 0) {
448 avpriv_request_sample(mov->fc, "Multiple non EAC3 independent substreams");
449 ret = AVERROR_PATCHWELCOME;
454 /* fill the info needed for the "dec3" atom */
455 info->substream[hdr->substreamid].fscod = hdr->sr_code;
456 info->substream[hdr->substreamid].bsid = hdr->bitstream_id;
457 info->substream[hdr->substreamid].bsmod = hdr->bitstream_mode;
458 info->substream[hdr->substreamid].acmod = hdr->channel_mode;
459 info->substream[hdr->substreamid].lfeon = hdr->lfe_on;
461 /* Parse dependent substream(s), if any */
462 if (pkt->size != hdr->frame_size) {
463 int cumul_size = hdr->frame_size;
464 int parent = hdr->substreamid;
466 while (cumul_size != pkt->size) {
469 ret = avpriv_ac3_parse_header(&hdr, pkt->data + cumul_size, pkt->size - cumul_size);
472 if (hdr->frame_type != EAC3_FRAME_TYPE_DEPENDENT) {
473 ret = AVERROR(EINVAL);
476 info->substream[parent].num_dep_sub++;
479 /* header is parsed up to lfeon, but custom channel map may be needed */
480 init_get_bits8(&gbc, pkt->data + cumul_size + ret, pkt->size - cumul_size - ret);
483 /* skip volume control params */
484 for (i = 0; i < (hdr->channel_mode ? 1 : 2); i++) {
485 skip_bits(&gbc, 5); // skip dialog normalization
486 if (get_bits1(&gbc)) {
487 skip_bits(&gbc, 8); // skip compression gain word
490 /* get the dependent stream channel map, if exists */
492 info->substream[parent].chan_loc |= (get_bits(&gbc, 16) >> 5) & 0x1f;
494 info->substream[parent].chan_loc |= hdr->channel_mode;
495 cumul_size += hdr->frame_size;
501 if (!info->num_blocks && num_blocks == 6) {
505 else if (info->num_blocks + num_blocks > 6) {
506 ret = AVERROR_INVALIDDATA;
510 if (!info->num_blocks) {
511 ret = av_packet_ref(&info->pkt, pkt);
513 info->num_blocks = num_blocks;
516 if ((ret = av_grow_packet(&info->pkt, pkt->size)) < 0)
518 memcpy(info->pkt.data + info->pkt.size - pkt->size, pkt->data, pkt->size);
519 info->num_blocks += num_blocks;
520 info->pkt.duration += pkt->duration;
521 if ((ret = av_copy_packet_side_data(&info->pkt, pkt)) < 0)
523 if (info->num_blocks != 6)
525 av_packet_unref(pkt);
526 av_packet_move_ref(pkt, &info->pkt);
527 info->num_blocks = 0;
538 static int mov_write_eac3_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
542 struct eac3_info *info;
545 if (!track->eac3_priv) {
546 av_log(s, AV_LOG_ERROR,
547 "Cannot write moov atom before EAC3 packets parsed.\n");
548 return AVERROR(EINVAL);
551 info = track->eac3_priv;
552 size = 2 + ((34 * (info->num_ind_sub + 1) + 7) >> 3);
553 buf = av_malloc(size);
555 return AVERROR(ENOMEM);
558 init_put_bits(&pbc, buf, size);
559 put_bits(&pbc, 13, info->data_rate);
560 put_bits(&pbc, 3, info->num_ind_sub);
561 for (i = 0; i <= info->num_ind_sub; i++) {
562 put_bits(&pbc, 2, info->substream[i].fscod);
563 put_bits(&pbc, 5, info->substream[i].bsid);
564 put_bits(&pbc, 1, 0); /* reserved */
565 put_bits(&pbc, 1, 0); /* asvc */
566 put_bits(&pbc, 3, info->substream[i].bsmod);
567 put_bits(&pbc, 3, info->substream[i].acmod);
568 put_bits(&pbc, 1, info->substream[i].lfeon);
569 put_bits(&pbc, 5, 0); /* reserved */
570 put_bits(&pbc, 4, info->substream[i].num_dep_sub);
571 if (!info->substream[i].num_dep_sub) {
572 put_bits(&pbc, 1, 0); /* reserved */
574 put_bits(&pbc, 9, info->substream[i].chan_loc);
577 flush_put_bits(&pbc);
578 size = put_bits_count(&pbc) >> 3;
580 avio_wb32(pb, size + 8);
581 ffio_wfourcc(pb, "dec3");
582 avio_write(pb, buf, size);
590 * This function writes extradata "as is".
591 * Extradata must be formatted like a valid atom (with size and tag).
593 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
595 avio_write(pb, track->par->extradata, track->par->extradata_size);
596 return track->par->extradata_size;
599 static int mov_write_enda_tag(AVIOContext *pb)
602 ffio_wfourcc(pb, "enda");
603 avio_wb16(pb, 1); /* little endian */
607 static int mov_write_enda_tag_be(AVIOContext *pb)
610 ffio_wfourcc(pb, "enda");
611 avio_wb16(pb, 0); /* big endian */
615 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
620 avio_w8(pb, (size >> (7 * i)) | 0x80);
621 avio_w8(pb, size & 0x7F);
624 static unsigned compute_avg_bitrate(MOVTrack *track)
628 if (!track->track_duration)
630 for (i = 0; i < track->entry; i++)
631 size += track->cluster[i].size;
632 return size * 8 * track->timescale / track->track_duration;
635 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
637 AVCPBProperties *props;
638 int64_t pos = avio_tell(pb);
639 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
640 unsigned avg_bitrate;
642 avio_wb32(pb, 0); // size
643 ffio_wfourcc(pb, "esds");
644 avio_wb32(pb, 0); // Version
647 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
648 avio_wb16(pb, track->track_id);
649 avio_w8(pb, 0x00); // flags (= no flags)
651 // DecoderConfig descriptor
652 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
654 // Object type indication
655 if ((track->par->codec_id == AV_CODEC_ID_MP2 ||
656 track->par->codec_id == AV_CODEC_ID_MP3) &&
657 track->par->sample_rate > 24000)
658 avio_w8(pb, 0x6B); // 11172-3
660 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->par->codec_id));
662 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
663 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
664 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
665 avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
666 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
667 avio_w8(pb, 0x15); // flags (= Audiostream)
669 avio_w8(pb, 0x11); // flags (= Visualstream)
671 props = (AVCPBProperties*)av_stream_get_side_data(track->st, AV_PKT_DATA_CPB_PROPERTIES,
674 avio_wb24(pb, props ? props->buffer_size / 8 : 0); // Buffersize DB
676 avg_bitrate = compute_avg_bitrate(track);
677 avio_wb32(pb, props ? FFMAX3(props->max_bitrate, props->avg_bitrate, avg_bitrate) : FFMAX(track->par->bit_rate, avg_bitrate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
678 avio_wb32(pb, avg_bitrate);
680 if (track->vos_len) {
681 // DecoderSpecific info descriptor
682 put_descr(pb, 0x05, track->vos_len);
683 avio_write(pb, track->vos_data, track->vos_len);
687 put_descr(pb, 0x06, 1);
689 return update_size(pb, pos);
692 static int mov_pcm_le_gt16(enum AVCodecID codec_id)
694 return codec_id == AV_CODEC_ID_PCM_S24LE ||
695 codec_id == AV_CODEC_ID_PCM_S32LE ||
696 codec_id == AV_CODEC_ID_PCM_F32LE ||
697 codec_id == AV_CODEC_ID_PCM_F64LE;
700 static int mov_pcm_be_gt16(enum AVCodecID codec_id)
702 return codec_id == AV_CODEC_ID_PCM_S24BE ||
703 codec_id == AV_CODEC_ID_PCM_S32BE ||
704 codec_id == AV_CODEC_ID_PCM_F32BE ||
705 codec_id == AV_CODEC_ID_PCM_F64BE;
708 static int mov_write_ms_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
711 int64_t pos = avio_tell(pb);
713 avio_wl32(pb, track->tag); // store it byteswapped
714 track->par->codec_tag = av_bswap16(track->tag >> 16);
715 if ((ret = ff_put_wav_header(s, pb, track->par, 0)) < 0)
717 return update_size(pb, pos);
720 static int mov_write_wfex_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
723 int64_t pos = avio_tell(pb);
725 ffio_wfourcc(pb, "wfex");
726 if ((ret = ff_put_wav_header(s, pb, track->st->codecpar, FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX)) < 0)
728 return update_size(pb, pos);
731 static int mov_write_dfla_tag(AVIOContext *pb, MOVTrack *track)
733 int64_t pos = avio_tell(pb);
735 ffio_wfourcc(pb, "dfLa");
736 avio_w8(pb, 0); /* version */
737 avio_wb24(pb, 0); /* flags */
739 /* Expect the encoder to pass a METADATA_BLOCK_TYPE_STREAMINFO. */
740 if (track->par->extradata_size != FLAC_STREAMINFO_SIZE)
741 return AVERROR_INVALIDDATA;
743 /* TODO: Write other METADATA_BLOCK_TYPEs if the encoder makes them available. */
744 avio_w8(pb, 1 << 7 | FLAC_METADATA_TYPE_STREAMINFO); /* LastMetadataBlockFlag << 7 | BlockType */
745 avio_wb24(pb, track->par->extradata_size); /* Length */
746 avio_write(pb, track->par->extradata, track->par->extradata_size); /* BlockData[Length] */
748 return update_size(pb, pos);
751 static int mov_write_dops_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
753 int64_t pos = avio_tell(pb);
755 ffio_wfourcc(pb, "dOps");
756 avio_w8(pb, 0); /* Version */
757 if (track->par->extradata_size < 19) {
758 av_log(s, AV_LOG_ERROR, "invalid extradata size\n");
759 return AVERROR_INVALIDDATA;
761 /* extradata contains an Ogg OpusHead, other than byte-ordering and
762 OpusHead's preceeding magic/version, OpusSpecificBox is currently
764 avio_w8(pb, AV_RB8(track->par->extradata + 9)); /* OuputChannelCount */
765 avio_wb16(pb, AV_RL16(track->par->extradata + 10)); /* PreSkip */
766 avio_wb32(pb, AV_RL32(track->par->extradata + 12)); /* InputSampleRate */
767 avio_wb16(pb, AV_RL16(track->par->extradata + 16)); /* OutputGain */
768 /* Write the rest of the header out without byte-swapping. */
769 avio_write(pb, track->par->extradata + 18, track->par->extradata_size - 18);
771 return update_size(pb, pos);
774 static int mov_write_dmlp_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
776 int64_t pos = avio_tell(pb);
779 ffio_wfourcc(pb, "dmlp");
781 if (track->vos_len < 20) {
782 av_log(s, AV_LOG_ERROR,
783 "Cannot write moov atom before TrueHD packets."
784 " Set the delay_moov flag to fix this.\n");
785 return AVERROR(EINVAL);
788 length = (AV_RB16(track->vos_data) & 0xFFF) * 2;
789 if (length < 20 || length > track->vos_len)
790 return AVERROR_INVALIDDATA;
792 // Only TrueHD is supported
793 if (AV_RB32(track->vos_data + 4) != 0xF8726FBA)
794 return AVERROR_INVALIDDATA;
796 avio_wb32(pb, AV_RB32(track->vos_data + 8)); /* format_info */
797 avio_wb16(pb, AV_RB16(track->vos_data + 18) << 1); /* peak_data_rate */
798 avio_wb32(pb, 0); /* reserved */
800 return update_size(pb, pos);
803 static int mov_write_chan_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
805 uint32_t layout_tag, bitmap;
806 int64_t pos = avio_tell(pb);
808 layout_tag = ff_mov_get_channel_layout_tag(track->par->codec_id,
809 track->par->channel_layout,
812 av_log(s, AV_LOG_WARNING, "not writing 'chan' tag due to "
813 "lack of channel information\n");
817 if (track->multichannel_as_mono)
820 avio_wb32(pb, 0); // Size
821 ffio_wfourcc(pb, "chan"); // Type
822 avio_w8(pb, 0); // Version
823 avio_wb24(pb, 0); // Flags
824 avio_wb32(pb, layout_tag); // mChannelLayoutTag
825 avio_wb32(pb, bitmap); // mChannelBitmap
826 avio_wb32(pb, 0); // mNumberChannelDescriptions
828 return update_size(pb, pos);
831 static int mov_write_wave_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
833 int64_t pos = avio_tell(pb);
835 avio_wb32(pb, 0); /* size */
836 ffio_wfourcc(pb, "wave");
838 if (track->par->codec_id != AV_CODEC_ID_QDM2) {
839 avio_wb32(pb, 12); /* size */
840 ffio_wfourcc(pb, "frma");
841 avio_wl32(pb, track->tag);
844 if (track->par->codec_id == AV_CODEC_ID_AAC) {
845 /* useless atom needed by mplayer, ipod, not needed by quicktime */
846 avio_wb32(pb, 12); /* size */
847 ffio_wfourcc(pb, "mp4a");
849 mov_write_esds_tag(pb, track);
850 } else if (mov_pcm_le_gt16(track->par->codec_id)) {
851 mov_write_enda_tag(pb);
852 } else if (mov_pcm_be_gt16(track->par->codec_id)) {
853 mov_write_enda_tag_be(pb);
854 } else if (track->par->codec_id == AV_CODEC_ID_AMR_NB) {
855 mov_write_amr_tag(pb, track);
856 } else if (track->par->codec_id == AV_CODEC_ID_AC3) {
857 mov_write_ac3_tag(s, pb, track);
858 } else if (track->par->codec_id == AV_CODEC_ID_EAC3) {
859 mov_write_eac3_tag(s, pb, track);
860 } else if (track->par->codec_id == AV_CODEC_ID_ALAC ||
861 track->par->codec_id == AV_CODEC_ID_QDM2) {
862 mov_write_extradata_tag(pb, track);
863 } else if (track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
864 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
865 mov_write_ms_tag(s, pb, track);
868 avio_wb32(pb, 8); /* size */
869 avio_wb32(pb, 0); /* null tag */
871 return update_size(pb, pos);
874 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
877 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
878 int unescaped_size, seq_found = 0;
879 int level = 0, interlace = 0;
880 int packet_seq = track->vc1_info.packet_seq;
881 int packet_entry = track->vc1_info.packet_entry;
882 int slices = track->vc1_info.slices;
885 if (track->start_dts == AV_NOPTS_VALUE) {
886 /* No packets written yet, vc1_info isn't authoritative yet. */
887 /* Assume inline sequence and entry headers. */
888 packet_seq = packet_entry = 1;
889 av_log(NULL, AV_LOG_WARNING,
890 "moov atom written before any packets, unable to write correct "
891 "dvc1 atom. Set the delay_moov flag to fix this.\n");
894 unescaped = av_mallocz(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
896 return AVERROR(ENOMEM);
897 start = find_next_marker(track->vos_data, end);
898 for (next = start; next < end; start = next) {
901 next = find_next_marker(start + 4, end);
902 size = next - start - 4;
905 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
906 init_get_bits(&gb, unescaped, 8 * unescaped_size);
907 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
908 int profile = get_bits(&gb, 2);
909 if (profile != PROFILE_ADVANCED) {
911 return AVERROR(ENOSYS);
914 level = get_bits(&gb, 3);
915 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
917 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
918 skip_bits(&gb, 1); /* broadcast */
919 interlace = get_bits1(&gb);
920 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
925 return AVERROR(ENOSYS);
928 init_put_bits(&pbc, buf, 7);
929 /* VC1DecSpecStruc */
930 put_bits(&pbc, 4, 12); /* profile - advanced */
931 put_bits(&pbc, 3, level);
932 put_bits(&pbc, 1, 0); /* reserved */
933 /* VC1AdvDecSpecStruc */
934 put_bits(&pbc, 3, level);
935 put_bits(&pbc, 1, 0); /* cbr */
936 put_bits(&pbc, 6, 0); /* reserved */
937 put_bits(&pbc, 1, !interlace); /* no interlace */
938 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
939 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
940 put_bits(&pbc, 1, !slices); /* no slice code */
941 put_bits(&pbc, 1, 0); /* no bframe */
942 put_bits(&pbc, 1, 0); /* reserved */
945 if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0)
946 put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den);
948 put_bits32(&pbc, 0xffffffff);
950 flush_put_bits(&pbc);
957 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
959 uint8_t buf[7] = { 0 };
962 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
965 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
966 ffio_wfourcc(pb, "dvc1");
967 avio_write(pb, buf, sizeof(buf));
968 avio_write(pb, track->vos_data, track->vos_len);
973 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
975 avio_wb32(pb, track->vos_len + 8);
976 ffio_wfourcc(pb, "glbl");
977 avio_write(pb, track->vos_data, track->vos_len);
978 return 8 + track->vos_len;
982 * Compute flags for 'lpcm' tag.
983 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
985 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
988 case AV_CODEC_ID_PCM_F32BE:
989 case AV_CODEC_ID_PCM_F64BE:
991 case AV_CODEC_ID_PCM_F32LE:
992 case AV_CODEC_ID_PCM_F64LE:
994 case AV_CODEC_ID_PCM_U8:
996 case AV_CODEC_ID_PCM_S16BE:
997 case AV_CODEC_ID_PCM_S24BE:
998 case AV_CODEC_ID_PCM_S32BE:
1000 case AV_CODEC_ID_PCM_S8:
1001 case AV_CODEC_ID_PCM_S16LE:
1002 case AV_CODEC_ID_PCM_S24LE:
1003 case AV_CODEC_ID_PCM_S32LE:
1010 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
1014 if (cluster_idx >= track->entry)
1017 if (cluster_idx + 1 == track->entry)
1018 next_dts = track->track_duration + track->start_dts;
1020 next_dts = track->cluster[cluster_idx + 1].dts;
1022 next_dts -= track->cluster[cluster_idx].dts;
1024 av_assert0(next_dts >= 0);
1025 av_assert0(next_dts <= INT_MAX);
1030 static int get_samples_per_packet(MOVTrack *track)
1032 int i, first_duration;
1034 // return track->par->frame_size;
1036 /* use 1 for raw PCM */
1037 if (!track->audio_vbr)
1040 /* check to see if duration is constant for all clusters */
1043 first_duration = get_cluster_duration(track, 0);
1044 for (i = 1; i < track->entry; i++) {
1045 if (get_cluster_duration(track, i) != first_duration)
1048 return first_duration;
1051 static int mov_write_audio_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1053 int64_t pos = avio_tell(pb);
1055 uint32_t tag = track->tag;
1058 if (track->mode == MODE_MOV) {
1059 if (track->timescale > UINT16_MAX || !track->par->channels) {
1060 if (mov_get_lpcm_flags(track->par->codec_id))
1061 tag = AV_RL32("lpcm");
1063 } else if (track->audio_vbr || mov_pcm_le_gt16(track->par->codec_id) ||
1064 mov_pcm_be_gt16(track->par->codec_id) ||
1065 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
1066 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
1067 track->par->codec_id == AV_CODEC_ID_QDM2) {
1072 avio_wb32(pb, 0); /* size */
1073 if (mov->encryption_scheme != MOV_ENC_NONE) {
1074 ffio_wfourcc(pb, "enca");
1076 avio_wl32(pb, tag); // store it byteswapped
1078 avio_wb32(pb, 0); /* Reserved */
1079 avio_wb16(pb, 0); /* Reserved */
1080 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
1082 /* SoundDescription */
1083 avio_wb16(pb, version); /* Version */
1084 avio_wb16(pb, 0); /* Revision level */
1085 avio_wb32(pb, 0); /* Reserved */
1090 avio_wb16(pb, 0xfffe);
1092 avio_wb32(pb, 0x00010000);
1094 avio_wb64(pb, av_double2int(track->par->sample_rate));
1095 avio_wb32(pb, track->par->channels);
1096 avio_wb32(pb, 0x7F000000);
1097 avio_wb32(pb, av_get_bits_per_sample(track->par->codec_id));
1098 avio_wb32(pb, mov_get_lpcm_flags(track->par->codec_id));
1099 avio_wb32(pb, track->sample_size);
1100 avio_wb32(pb, get_samples_per_packet(track));
1102 if (track->mode == MODE_MOV) {
1103 avio_wb16(pb, track->par->channels);
1104 if (track->par->codec_id == AV_CODEC_ID_PCM_U8 ||
1105 track->par->codec_id == AV_CODEC_ID_PCM_S8)
1106 avio_wb16(pb, 8); /* bits per sample */
1107 else if (track->par->codec_id == AV_CODEC_ID_ADPCM_G726)
1108 avio_wb16(pb, track->par->bits_per_coded_sample);
1111 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
1112 } else { /* reserved for mp4/3gp */
1113 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
1114 track->par->codec_id == AV_CODEC_ID_ALAC ||
1115 track->par->codec_id == AV_CODEC_ID_OPUS) {
1116 avio_wb16(pb, track->par->channels);
1120 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
1121 track->par->codec_id == AV_CODEC_ID_ALAC) {
1122 avio_wb16(pb, track->par->bits_per_raw_sample);
1129 avio_wb16(pb, 0); /* packet size (= 0) */
1130 if (track->par->codec_id == AV_CODEC_ID_OPUS)
1131 avio_wb16(pb, 48000);
1132 else if (track->par->codec_id == AV_CODEC_ID_TRUEHD)
1133 avio_wb32(pb, track->par->sample_rate);
1135 avio_wb16(pb, track->par->sample_rate <= UINT16_MAX ?
1136 track->par->sample_rate : 0);
1138 if (track->par->codec_id != AV_CODEC_ID_TRUEHD)
1139 avio_wb16(pb, 0); /* Reserved */
1142 if (version == 1) { /* SoundDescription V1 extended info */
1143 if (mov_pcm_le_gt16(track->par->codec_id) ||
1144 mov_pcm_be_gt16(track->par->codec_id))
1145 avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
1147 avio_wb32(pb, track->par->frame_size); /* Samples per packet */
1148 avio_wb32(pb, track->sample_size / track->par->channels); /* Bytes per packet */
1149 avio_wb32(pb, track->sample_size); /* Bytes per frame */
1150 avio_wb32(pb, 2); /* Bytes per sample */
1153 if (track->mode == MODE_MOV &&
1154 (track->par->codec_id == AV_CODEC_ID_AAC ||
1155 track->par->codec_id == AV_CODEC_ID_AC3 ||
1156 track->par->codec_id == AV_CODEC_ID_EAC3 ||
1157 track->par->codec_id == AV_CODEC_ID_AMR_NB ||
1158 track->par->codec_id == AV_CODEC_ID_ALAC ||
1159 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
1160 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
1161 track->par->codec_id == AV_CODEC_ID_QDM2 ||
1162 (mov_pcm_le_gt16(track->par->codec_id) && version==1) ||
1163 (mov_pcm_be_gt16(track->par->codec_id) && version==1)))
1164 ret = mov_write_wave_tag(s, pb, track);
1165 else if (track->tag == MKTAG('m','p','4','a'))
1166 ret = mov_write_esds_tag(pb, track);
1167 else if (track->par->codec_id == AV_CODEC_ID_AMR_NB)
1168 ret = mov_write_amr_tag(pb, track);
1169 else if (track->par->codec_id == AV_CODEC_ID_AC3)
1170 ret = mov_write_ac3_tag(s, pb, track);
1171 else if (track->par->codec_id == AV_CODEC_ID_EAC3)
1172 ret = mov_write_eac3_tag(s, pb, track);
1173 else if (track->par->codec_id == AV_CODEC_ID_ALAC)
1174 ret = mov_write_extradata_tag(pb, track);
1175 else if (track->par->codec_id == AV_CODEC_ID_WMAPRO)
1176 ret = mov_write_wfex_tag(s, pb, track);
1177 else if (track->par->codec_id == AV_CODEC_ID_FLAC)
1178 ret = mov_write_dfla_tag(pb, track);
1179 else if (track->par->codec_id == AV_CODEC_ID_OPUS)
1180 ret = mov_write_dops_tag(s, pb, track);
1181 else if (track->par->codec_id == AV_CODEC_ID_TRUEHD)
1182 ret = mov_write_dmlp_tag(s, pb, track);
1183 else if (track->vos_len > 0)
1184 ret = mov_write_glbl_tag(pb, track);
1189 if (track->mode == MODE_MOV && track->par->codec_type == AVMEDIA_TYPE_AUDIO
1190 && ((ret = mov_write_chan_tag(s, pb, track)) < 0)) {
1194 if (mov->encryption_scheme != MOV_ENC_NONE
1195 && ((ret = ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid)) < 0)) {
1199 ret = update_size(pb, pos);
1203 static int mov_write_d263_tag(AVIOContext *pb)
1205 avio_wb32(pb, 0xf); /* size */
1206 ffio_wfourcc(pb, "d263");
1207 ffio_wfourcc(pb, "FFMP");
1208 avio_w8(pb, 0); /* decoder version */
1209 /* FIXME use AVCodecContext level/profile, when encoder will set values */
1210 avio_w8(pb, 0xa); /* level */
1211 avio_w8(pb, 0); /* profile */
1215 static int mov_write_av1c_tag(AVIOContext *pb, MOVTrack *track)
1217 int64_t pos = avio_tell(pb);
1220 ffio_wfourcc(pb, "av1C");
1221 ff_isom_write_av1c(pb, track->vos_data, track->vos_len);
1222 return update_size(pb, pos);
1225 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
1227 int64_t pos = avio_tell(pb);
1230 ffio_wfourcc(pb, "avcC");
1231 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
1232 return update_size(pb, pos);
1235 static int mov_write_vpcc_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
1237 int64_t pos = avio_tell(pb);
1240 ffio_wfourcc(pb, "vpcC");
1241 avio_w8(pb, 1); /* version */
1242 avio_wb24(pb, 0); /* flags */
1243 ff_isom_write_vpcc(s, pb, track->par);
1244 return update_size(pb, pos);
1247 static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
1249 int64_t pos = avio_tell(pb);
1252 ffio_wfourcc(pb, "hvcC");
1253 if (track->tag == MKTAG('h','v','c','1'))
1254 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 1);
1256 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
1257 return update_size(pb, pos);
1260 /* also used by all avid codecs (dv, imx, meridien) and their variants */
1261 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
1266 int display_width = track->par->width;
1268 if (track->vos_data && track->vos_len > 0x29) {
1269 if (ff_dnxhd_parse_header_prefix(track->vos_data) != 0) {
1270 /* looks like a DNxHD bit stream */
1271 interlaced = (track->vos_data[5] & 2);
1272 cid = AV_RB32(track->vos_data + 0x28);
1274 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream in vos_data\n");
1278 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream, vos_data too small\n");
1282 avio_wb32(pb, 24); /* size */
1283 ffio_wfourcc(pb, "ACLR");
1284 ffio_wfourcc(pb, "ACLR");
1285 ffio_wfourcc(pb, "0001");
1286 if (track->par->color_range == AVCOL_RANGE_MPEG || /* Legal range (16-235) */
1287 track->par->color_range == AVCOL_RANGE_UNSPECIFIED) {
1288 avio_wb32(pb, 1); /* Corresponds to 709 in official encoder */
1289 } else { /* Full range (0-255) */
1290 avio_wb32(pb, 2); /* Corresponds to RGB in official encoder */
1292 avio_wb32(pb, 0); /* unknown */
1294 if (track->tag == MKTAG('A','V','d','h')) {
1296 ffio_wfourcc(pb, "ADHR");
1297 ffio_wfourcc(pb, "0001");
1299 avio_wb32(pb, 0); /* unknown */
1300 avio_wb32(pb, 1); /* unknown */
1301 avio_wb32(pb, 0); /* unknown */
1302 avio_wb32(pb, 0); /* unknown */
1306 avio_wb32(pb, 24); /* size */
1307 ffio_wfourcc(pb, "APRG");
1308 ffio_wfourcc(pb, "APRG");
1309 ffio_wfourcc(pb, "0001");
1310 avio_wb32(pb, 1); /* unknown */
1311 avio_wb32(pb, 0); /* unknown */
1313 avio_wb32(pb, 120); /* size */
1314 ffio_wfourcc(pb, "ARES");
1315 ffio_wfourcc(pb, "ARES");
1316 ffio_wfourcc(pb, "0001");
1317 avio_wb32(pb, cid); /* dnxhd cid, some id ? */
1318 if ( track->par->sample_aspect_ratio.num > 0
1319 && track->par->sample_aspect_ratio.den > 0)
1320 display_width = display_width * track->par->sample_aspect_ratio.num / track->par->sample_aspect_ratio.den;
1321 avio_wb32(pb, display_width);
1322 /* values below are based on samples created with quicktime and avid codecs */
1324 avio_wb32(pb, track->par->height / 2);
1325 avio_wb32(pb, 2); /* unknown */
1326 avio_wb32(pb, 0); /* unknown */
1327 avio_wb32(pb, 4); /* unknown */
1329 avio_wb32(pb, track->par->height);
1330 avio_wb32(pb, 1); /* unknown */
1331 avio_wb32(pb, 0); /* unknown */
1332 if (track->par->height == 1080)
1333 avio_wb32(pb, 5); /* unknown */
1335 avio_wb32(pb, 6); /* unknown */
1338 for (i = 0; i < 10; i++)
1344 static int mov_write_dpxe_tag(AVIOContext *pb, MOVTrack *track)
1347 ffio_wfourcc(pb, "DpxE");
1348 if (track->par->extradata_size >= 12 &&
1349 !memcmp(&track->par->extradata[4], "DpxE", 4)) {
1350 avio_wb32(pb, track->par->extradata[11]);
1357 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
1361 if (track->par->width == 720) { /* SD */
1362 if (track->par->height == 480) { /* NTSC */
1363 if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
1364 else tag = MKTAG('d','v','c',' ');
1365 }else if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
1366 else if (track->par->format == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
1367 else tag = MKTAG('d','v','p','p');
1368 } else if (track->par->height == 720) { /* HD 720 line */
1369 if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q');
1370 else tag = MKTAG('d','v','h','p');
1371 } else if (track->par->height == 1080) { /* HD 1080 line */
1372 if (track->st->time_base.den == 25) tag = MKTAG('d','v','h','5');
1373 else tag = MKTAG('d','v','h','6');
1375 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
1382 static AVRational find_fps(AVFormatContext *s, AVStream *st)
1384 AVRational rate = st->avg_frame_rate;
1386 #if FF_API_LAVF_AVCTX
1387 FF_DISABLE_DEPRECATION_WARNINGS
1388 rate = av_inv_q(st->codec->time_base);
1389 if (av_timecode_check_frame_rate(rate) < 0) {
1390 av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
1391 rate.num, rate.den, st->avg_frame_rate.num, st->avg_frame_rate.den);
1392 rate = st->avg_frame_rate;
1394 FF_ENABLE_DEPRECATION_WARNINGS
1400 static int defined_frame_rate(AVFormatContext *s, AVStream *st)
1402 AVRational rational_framerate = find_fps(s, st);
1404 if (rational_framerate.den != 0)
1405 rate = av_q2d(rational_framerate);
1409 static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext *s, MOVTrack *track)
1411 int tag = track->par->codec_tag;
1412 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1413 AVStream *st = track->st;
1414 int rate = defined_frame_rate(s, st);
1417 tag = MKTAG('m', '2', 'v', '1'); //fallback tag
1419 if (track->par->format == AV_PIX_FMT_YUV420P) {
1420 if (track->par->width == 1280 && track->par->height == 720) {
1422 if (rate == 24) tag = MKTAG('x','d','v','4');
1423 else if (rate == 25) tag = MKTAG('x','d','v','5');
1424 else if (rate == 30) tag = MKTAG('x','d','v','1');
1425 else if (rate == 50) tag = MKTAG('x','d','v','a');
1426 else if (rate == 60) tag = MKTAG('x','d','v','9');
1428 } else if (track->par->width == 1440 && track->par->height == 1080) {
1430 if (rate == 24) tag = MKTAG('x','d','v','6');
1431 else if (rate == 25) tag = MKTAG('x','d','v','7');
1432 else if (rate == 30) tag = MKTAG('x','d','v','8');
1434 if (rate == 25) tag = MKTAG('x','d','v','3');
1435 else if (rate == 30) tag = MKTAG('x','d','v','2');
1437 } else if (track->par->width == 1920 && track->par->height == 1080) {
1439 if (rate == 24) tag = MKTAG('x','d','v','d');
1440 else if (rate == 25) tag = MKTAG('x','d','v','e');
1441 else if (rate == 30) tag = MKTAG('x','d','v','f');
1443 if (rate == 25) tag = MKTAG('x','d','v','c');
1444 else if (rate == 30) tag = MKTAG('x','d','v','b');
1447 } else if (track->par->format == AV_PIX_FMT_YUV422P) {
1448 if (track->par->width == 1280 && track->par->height == 720) {
1450 if (rate == 24) tag = MKTAG('x','d','5','4');
1451 else if (rate == 25) tag = MKTAG('x','d','5','5');
1452 else if (rate == 30) tag = MKTAG('x','d','5','1');
1453 else if (rate == 50) tag = MKTAG('x','d','5','a');
1454 else if (rate == 60) tag = MKTAG('x','d','5','9');
1456 } else if (track->par->width == 1920 && track->par->height == 1080) {
1458 if (rate == 24) tag = MKTAG('x','d','5','d');
1459 else if (rate == 25) tag = MKTAG('x','d','5','e');
1460 else if (rate == 30) tag = MKTAG('x','d','5','f');
1462 if (rate == 25) tag = MKTAG('x','d','5','c');
1463 else if (rate == 30) tag = MKTAG('x','d','5','b');
1471 static int mov_get_h264_codec_tag(AVFormatContext *s, MOVTrack *track)
1473 int tag = track->par->codec_tag;
1474 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1475 AVStream *st = track->st;
1476 int rate = defined_frame_rate(s, st);
1479 tag = MKTAG('a', 'v', 'c', 'i'); //fallback tag
1481 if (track->par->format == AV_PIX_FMT_YUV420P10) {
1482 if (track->par->width == 960 && track->par->height == 720) {
1484 if (rate == 24) tag = MKTAG('a','i','5','p');
1485 else if (rate == 25) tag = MKTAG('a','i','5','q');
1486 else if (rate == 30) tag = MKTAG('a','i','5','p');
1487 else if (rate == 50) tag = MKTAG('a','i','5','q');
1488 else if (rate == 60) tag = MKTAG('a','i','5','p');
1490 } else if (track->par->width == 1440 && track->par->height == 1080) {
1492 if (rate == 24) tag = MKTAG('a','i','5','3');
1493 else if (rate == 25) tag = MKTAG('a','i','5','2');
1494 else if (rate == 30) tag = MKTAG('a','i','5','3');
1496 if (rate == 50) tag = MKTAG('a','i','5','5');
1497 else if (rate == 60) tag = MKTAG('a','i','5','6');
1500 } else if (track->par->format == AV_PIX_FMT_YUV422P10) {
1501 if (track->par->width == 1280 && track->par->height == 720) {
1503 if (rate == 24) tag = MKTAG('a','i','1','p');
1504 else if (rate == 25) tag = MKTAG('a','i','1','q');
1505 else if (rate == 30) tag = MKTAG('a','i','1','p');
1506 else if (rate == 50) tag = MKTAG('a','i','1','q');
1507 else if (rate == 60) tag = MKTAG('a','i','1','p');
1509 } else if (track->par->width == 1920 && track->par->height == 1080) {
1511 if (rate == 24) tag = MKTAG('a','i','1','3');
1512 else if (rate == 25) tag = MKTAG('a','i','1','2');
1513 else if (rate == 30) tag = MKTAG('a','i','1','3');
1515 if (rate == 25) tag = MKTAG('a','i','1','5');
1516 else if (rate == 50) tag = MKTAG('a','i','1','5');
1517 else if (rate == 60) tag = MKTAG('a','i','1','6');
1519 } else if ( track->par->width == 4096 && track->par->height == 2160
1520 || track->par->width == 3840 && track->par->height == 2160
1521 || track->par->width == 2048 && track->par->height == 1080) {
1522 tag = MKTAG('a','i','v','x');
1529 static const struct {
1530 enum AVPixelFormat pix_fmt;
1533 } mov_pix_fmt_tags[] = {
1534 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
1535 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
1536 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
1537 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
1538 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
1539 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
1540 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
1541 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
1542 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
1543 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
1544 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
1545 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
1546 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
1547 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
1548 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
1551 static int mov_get_dnxhd_codec_tag(AVFormatContext *s, MOVTrack *track)
1553 int tag = MKTAG('A','V','d','n');
1554 if (track->par->profile != FF_PROFILE_UNKNOWN &&
1555 track->par->profile != FF_PROFILE_DNXHD)
1556 tag = MKTAG('A','V','d','h');
1560 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
1562 int tag = track->par->codec_tag;
1564 enum AVPixelFormat pix_fmt;
1566 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
1567 if (track->par->format == mov_pix_fmt_tags[i].pix_fmt) {
1568 tag = mov_pix_fmt_tags[i].tag;
1569 track->par->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
1570 if (track->par->codec_tag == mov_pix_fmt_tags[i].tag)
1575 pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_mov,
1576 track->par->bits_per_coded_sample);
1577 if (tag == MKTAG('r','a','w',' ') &&
1578 track->par->format != pix_fmt &&
1579 track->par->format != AV_PIX_FMT_GRAY8 &&
1580 track->par->format != AV_PIX_FMT_NONE)
1581 av_log(s, AV_LOG_ERROR, "%s rawvideo cannot be written to mov, output file will be unreadable\n",
1582 av_get_pix_fmt_name(track->par->format));
1586 static unsigned int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1588 unsigned int tag = track->par->codec_tag;
1590 if (!tag || (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
1591 (track->par->codec_id == AV_CODEC_ID_DVVIDEO ||
1592 track->par->codec_id == AV_CODEC_ID_RAWVIDEO ||
1593 track->par->codec_id == AV_CODEC_ID_H263 ||
1594 track->par->codec_id == AV_CODEC_ID_H264 ||
1595 track->par->codec_id == AV_CODEC_ID_DNXHD ||
1596 track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
1597 av_get_bits_per_sample(track->par->codec_id)))) { // pcm audio
1598 if (track->par->codec_id == AV_CODEC_ID_DVVIDEO)
1599 tag = mov_get_dv_codec_tag(s, track);
1600 else if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO)
1601 tag = mov_get_rawvideo_codec_tag(s, track);
1602 else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO)
1603 tag = mov_get_mpeg2_xdcam_codec_tag(s, track);
1604 else if (track->par->codec_id == AV_CODEC_ID_H264)
1605 tag = mov_get_h264_codec_tag(s, track);
1606 else if (track->par->codec_id == AV_CODEC_ID_DNXHD)
1607 tag = mov_get_dnxhd_codec_tag(s, track);
1608 else if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
1609 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->par->codec_id);
1610 if (!tag) { // if no mac fcc found, try with Microsoft tags
1611 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->par->codec_id);
1613 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
1614 "the file may be unplayable!\n");
1616 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
1617 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->par->codec_id);
1618 if (!tag) { // if no mac fcc found, try with Microsoft tags
1619 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->par->codec_id);
1621 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
1622 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
1623 "the file may be unplayable!\n");
1626 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
1627 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->par->codec_id);
1633 static const AVCodecTag codec_cover_image_tags[] = {
1634 { AV_CODEC_ID_MJPEG, 0xD },
1635 { AV_CODEC_ID_PNG, 0xE },
1636 { AV_CODEC_ID_BMP, 0x1B },
1637 { AV_CODEC_ID_NONE, 0 },
1640 static unsigned int validate_codec_tag(const AVCodecTag *const *tags,
1641 unsigned int tag, int codec_id)
1646 * Check that tag + id is in the table
1648 for (i = 0; tags && tags[i]; i++) {
1649 const AVCodecTag *codec_tags = tags[i];
1650 while (codec_tags->id != AV_CODEC_ID_NONE) {
1651 if (avpriv_toupper4(codec_tags->tag) == avpriv_toupper4(tag) &&
1652 codec_tags->id == codec_id)
1653 return codec_tags->tag;
1660 static unsigned int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
1662 if (is_cover_image(track->st))
1663 return ff_codec_get_tag(codec_cover_image_tags, track->par->codec_id);
1665 if (track->mode == MODE_IPOD)
1666 if (!av_match_ext(s->url, "m4a") &&
1667 !av_match_ext(s->url, "m4v") &&
1668 !av_match_ext(s->url, "m4b"))
1669 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
1670 "Quicktime/Ipod might not play the file\n");
1672 if (track->mode == MODE_MOV) {
1673 return mov_get_codec_tag(s, track);
1675 return validate_codec_tag(s->oformat->codec_tag, track->par->codec_tag,
1676 track->par->codec_id);
1679 /** Write uuid atom.
1680 * Needed to make file play in iPods running newest firmware
1681 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1683 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1686 ffio_wfourcc(pb, "uuid");
1687 avio_wb32(pb, 0x6b6840f2);
1688 avio_wb32(pb, 0x5f244fc5);
1689 avio_wb32(pb, 0xba39a51b);
1690 avio_wb32(pb, 0xcf0323f3);
1695 static const uint16_t fiel_data[] = {
1696 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1699 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track, int field_order)
1701 unsigned mov_field_order = 0;
1702 if (field_order < FF_ARRAY_ELEMS(fiel_data))
1703 mov_field_order = fiel_data[field_order];
1707 ffio_wfourcc(pb, "fiel");
1708 avio_wb16(pb, mov_field_order);
1712 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1714 int64_t pos = avio_tell(pb);
1715 avio_wb32(pb, 0); /* size */
1716 avio_wl32(pb, track->tag); // store it byteswapped
1717 avio_wb32(pb, 0); /* Reserved */
1718 avio_wb16(pb, 0); /* Reserved */
1719 avio_wb16(pb, 1); /* Data-reference index */
1721 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
1722 mov_write_esds_tag(pb, track);
1723 else if (track->par->extradata_size)
1724 avio_write(pb, track->par->extradata, track->par->extradata_size);
1726 return update_size(pb, pos);
1729 static int mov_write_st3d_tag(AVFormatContext *s, AVIOContext *pb, AVStereo3D *stereo_3d)
1733 if (stereo_3d->flags != 0) {
1734 av_log(s, AV_LOG_WARNING, "Unsupported stereo_3d flags %x. st3d not written.\n", stereo_3d->flags);
1738 switch (stereo_3d->type) {
1739 case AV_STEREO3D_2D:
1742 case AV_STEREO3D_TOPBOTTOM:
1745 case AV_STEREO3D_SIDEBYSIDE:
1749 av_log(s, AV_LOG_WARNING, "Unsupported stereo_3d type %s. st3d not written.\n", av_stereo3d_type_name(stereo_3d->type));
1752 avio_wb32(pb, 13); /* size */
1753 ffio_wfourcc(pb, "st3d");
1754 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1755 avio_w8(pb, stereo_mode);
1759 static int mov_write_sv3d_tag(AVFormatContext *s, AVIOContext *pb, AVSphericalMapping *spherical_mapping)
1761 int64_t sv3d_pos, svhd_pos, proj_pos;
1762 const char* metadata_source = s->flags & AVFMT_FLAG_BITEXACT ? "Lavf" : LIBAVFORMAT_IDENT;
1764 if (spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR &&
1765 spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR_TILE &&
1766 spherical_mapping->projection != AV_SPHERICAL_CUBEMAP) {
1767 av_log(s, AV_LOG_WARNING, "Unsupported projection %d. sv3d not written.\n", spherical_mapping->projection);
1771 sv3d_pos = avio_tell(pb);
1772 avio_wb32(pb, 0); /* size */
1773 ffio_wfourcc(pb, "sv3d");
1775 svhd_pos = avio_tell(pb);
1776 avio_wb32(pb, 0); /* size */
1777 ffio_wfourcc(pb, "svhd");
1778 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1779 avio_put_str(pb, metadata_source);
1780 update_size(pb, svhd_pos);
1782 proj_pos = avio_tell(pb);
1783 avio_wb32(pb, 0); /* size */
1784 ffio_wfourcc(pb, "proj");
1786 avio_wb32(pb, 24); /* size */
1787 ffio_wfourcc(pb, "prhd");
1788 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1789 avio_wb32(pb, spherical_mapping->yaw);
1790 avio_wb32(pb, spherical_mapping->pitch);
1791 avio_wb32(pb, spherical_mapping->roll);
1793 switch (spherical_mapping->projection) {
1794 case AV_SPHERICAL_EQUIRECTANGULAR:
1795 case AV_SPHERICAL_EQUIRECTANGULAR_TILE:
1796 avio_wb32(pb, 28); /* size */
1797 ffio_wfourcc(pb, "equi");
1798 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1799 avio_wb32(pb, spherical_mapping->bound_top);
1800 avio_wb32(pb, spherical_mapping->bound_bottom);
1801 avio_wb32(pb, spherical_mapping->bound_left);
1802 avio_wb32(pb, spherical_mapping->bound_right);
1804 case AV_SPHERICAL_CUBEMAP:
1805 avio_wb32(pb, 20); /* size */
1806 ffio_wfourcc(pb, "cbmp");
1807 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1808 avio_wb32(pb, 0); /* layout */
1809 avio_wb32(pb, spherical_mapping->padding); /* padding */
1812 update_size(pb, proj_pos);
1814 return update_size(pb, sv3d_pos);
1817 static int mov_write_clap_tag(AVIOContext *pb, MOVTrack *track)
1820 ffio_wfourcc(pb, "clap");
1821 avio_wb32(pb, track->par->width); /* apertureWidth_N */
1822 avio_wb32(pb, 1); /* apertureWidth_D (= 1) */
1823 avio_wb32(pb, track->height); /* apertureHeight_N */
1824 avio_wb32(pb, 1); /* apertureHeight_D (= 1) */
1825 avio_wb32(pb, 0); /* horizOff_N (= 0) */
1826 avio_wb32(pb, 1); /* horizOff_D (= 1) */
1827 avio_wb32(pb, 0); /* vertOff_N (= 0) */
1828 avio_wb32(pb, 1); /* vertOff_D (= 1) */
1832 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1835 av_reduce(&sar.num, &sar.den, track->par->sample_aspect_ratio.num,
1836 track->par->sample_aspect_ratio.den, INT_MAX);
1839 ffio_wfourcc(pb, "pasp");
1840 avio_wb32(pb, sar.num);
1841 avio_wb32(pb, sar.den);
1845 static int mov_write_gama_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track, double gamma)
1849 gamma = avpriv_get_gamma_from_trc(track->par->color_trc);
1851 av_log(s, AV_LOG_DEBUG, "gamma value %g\n", gamma);
1854 gama = (uint32_t)lrint((double)(1<<16) * gamma);
1855 av_log(s, AV_LOG_DEBUG, "writing gama value %"PRId32"\n", gama);
1857 av_assert0(track->mode == MODE_MOV);
1859 ffio_wfourcc(pb, "gama");
1860 avio_wb32(pb, gama);
1863 av_log(s, AV_LOG_WARNING, "gamma value unknown, unable to write gama atom\n");
1868 static int mov_write_colr_tag(AVIOContext *pb, MOVTrack *track)
1870 // Ref (MOV): https://developer.apple.com/library/mac/technotes/tn2162/_index.html#//apple_ref/doc/uid/DTS40013070-CH1-TNTAG9
1871 // Ref (MP4): ISO/IEC 14496-12:2012
1873 if (track->par->color_primaries == AVCOL_PRI_UNSPECIFIED &&
1874 track->par->color_trc == AVCOL_TRC_UNSPECIFIED &&
1875 track->par->color_space == AVCOL_SPC_UNSPECIFIED) {
1876 if ((track->par->width >= 1920 && track->par->height >= 1080)
1877 || (track->par->width == 1280 && track->par->height == 720)) {
1878 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming bt709\n");
1879 track->par->color_primaries = AVCOL_PRI_BT709;
1880 } else if (track->par->width == 720 && track->height == 576) {
1881 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming bt470bg\n");
1882 track->par->color_primaries = AVCOL_PRI_BT470BG;
1883 } else if (track->par->width == 720 &&
1884 (track->height == 486 || track->height == 480)) {
1885 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming smpte170\n");
1886 track->par->color_primaries = AVCOL_PRI_SMPTE170M;
1888 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, unable to assume anything\n");
1890 switch (track->par->color_primaries) {
1891 case AVCOL_PRI_BT709:
1892 track->par->color_trc = AVCOL_TRC_BT709;
1893 track->par->color_space = AVCOL_SPC_BT709;
1895 case AVCOL_PRI_SMPTE170M:
1896 case AVCOL_PRI_BT470BG:
1897 track->par->color_trc = AVCOL_TRC_BT709;
1898 track->par->color_space = AVCOL_SPC_SMPTE170M;
1903 /* We should only ever be called by MOV or MP4. */
1904 av_assert0(track->mode == MODE_MOV || track->mode == MODE_MP4);
1906 avio_wb32(pb, 18 + (track->mode == MODE_MP4));
1907 ffio_wfourcc(pb, "colr");
1908 if (track->mode == MODE_MP4)
1909 ffio_wfourcc(pb, "nclx");
1911 ffio_wfourcc(pb, "nclc");
1912 switch (track->par->color_primaries) {
1913 case AVCOL_PRI_BT709: avio_wb16(pb, 1); break;
1914 case AVCOL_PRI_BT470BG: avio_wb16(pb, 5); break;
1915 case AVCOL_PRI_SMPTE170M:
1916 case AVCOL_PRI_SMPTE240M: avio_wb16(pb, 6); break;
1917 case AVCOL_PRI_BT2020: avio_wb16(pb, 9); break;
1918 case AVCOL_PRI_SMPTE431: avio_wb16(pb, 11); break;
1919 case AVCOL_PRI_SMPTE432: avio_wb16(pb, 12); break;
1920 default: avio_wb16(pb, 2);
1922 switch (track->par->color_trc) {
1923 case AVCOL_TRC_BT709: avio_wb16(pb, 1); break;
1924 case AVCOL_TRC_SMPTE170M: avio_wb16(pb, 1); break; // remapped
1925 case AVCOL_TRC_SMPTE240M: avio_wb16(pb, 7); break;
1926 case AVCOL_TRC_SMPTEST2084: avio_wb16(pb, 16); break;
1927 case AVCOL_TRC_SMPTE428: avio_wb16(pb, 17); break;
1928 case AVCOL_TRC_ARIB_STD_B67: avio_wb16(pb, 18); break;
1929 default: avio_wb16(pb, 2);
1931 switch (track->par->color_space) {
1932 case AVCOL_SPC_BT709: avio_wb16(pb, 1); break;
1933 case AVCOL_SPC_BT470BG:
1934 case AVCOL_SPC_SMPTE170M: avio_wb16(pb, 6); break;
1935 case AVCOL_SPC_SMPTE240M: avio_wb16(pb, 7); break;
1936 case AVCOL_SPC_BT2020_NCL: avio_wb16(pb, 9); break;
1937 default: avio_wb16(pb, 2);
1940 if (track->mode == MODE_MP4) {
1941 int full_range = track->par->color_range == AVCOL_RANGE_JPEG;
1942 avio_w8(pb, full_range << 7);
1949 static void find_compressor(char * compressor_name, int len, MOVTrack *track)
1951 AVDictionaryEntry *encoder;
1952 int xdcam_res = (track->par->width == 1280 && track->par->height == 720)
1953 || (track->par->width == 1440 && track->par->height == 1080)
1954 || (track->par->width == 1920 && track->par->height == 1080);
1956 if (track->mode == MODE_MOV &&
1957 (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0))) {
1958 av_strlcpy(compressor_name, encoder->value, 32);
1959 } else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) {
1960 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1961 AVStream *st = track->st;
1962 int rate = defined_frame_rate(NULL, st);
1963 av_strlcatf(compressor_name, len, "XDCAM");
1964 if (track->par->format == AV_PIX_FMT_YUV422P) {
1965 av_strlcatf(compressor_name, len, " HD422");
1966 } else if(track->par->width == 1440) {
1967 av_strlcatf(compressor_name, len, " HD");
1969 av_strlcatf(compressor_name, len, " EX");
1971 av_strlcatf(compressor_name, len, " %d%c", track->par->height, interlaced ? 'i' : 'p');
1973 av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1));
1977 static int mov_write_video_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1979 int64_t pos = avio_tell(pb);
1980 char compressor_name[32] = { 0 };
1983 int uncompressed_ycbcr = ((track->par->codec_id == AV_CODEC_ID_RAWVIDEO && track->par->format == AV_PIX_FMT_UYVY422)
1984 || (track->par->codec_id == AV_CODEC_ID_RAWVIDEO && track->par->format == AV_PIX_FMT_YUYV422)
1985 || track->par->codec_id == AV_CODEC_ID_V308
1986 || track->par->codec_id == AV_CODEC_ID_V408
1987 || track->par->codec_id == AV_CODEC_ID_V410
1988 || track->par->codec_id == AV_CODEC_ID_V210);
1990 avio_wb32(pb, 0); /* size */
1991 if (mov->encryption_scheme != MOV_ENC_NONE) {
1992 ffio_wfourcc(pb, "encv");
1994 avio_wl32(pb, track->tag); // store it byteswapped
1996 avio_wb32(pb, 0); /* Reserved */
1997 avio_wb16(pb, 0); /* Reserved */
1998 avio_wb16(pb, 1); /* Data-reference index */
2000 if (uncompressed_ycbcr) {
2001 avio_wb16(pb, 2); /* Codec stream version */
2003 avio_wb16(pb, 0); /* Codec stream version */
2005 avio_wb16(pb, 0); /* Codec stream revision (=0) */
2006 if (track->mode == MODE_MOV) {
2007 ffio_wfourcc(pb, "FFMP"); /* Vendor */
2008 if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO || uncompressed_ycbcr) {
2009 avio_wb32(pb, 0); /* Temporal Quality */
2010 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
2012 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
2013 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
2016 avio_wb32(pb, 0); /* Reserved */
2017 avio_wb32(pb, 0); /* Reserved */
2018 avio_wb32(pb, 0); /* Reserved */
2020 avio_wb16(pb, track->par->width); /* Video width */
2021 avio_wb16(pb, track->height); /* Video height */
2022 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
2023 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
2024 avio_wb32(pb, 0); /* Data size (= 0) */
2025 avio_wb16(pb, 1); /* Frame count (= 1) */
2027 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
2028 find_compressor(compressor_name, 32, track);
2029 avio_w8(pb, strlen(compressor_name));
2030 avio_write(pb, compressor_name, 31);
2032 if (track->mode == MODE_MOV &&
2033 (track->par->codec_id == AV_CODEC_ID_V410 || track->par->codec_id == AV_CODEC_ID_V210))
2034 avio_wb16(pb, 0x18);
2035 else if (track->mode == MODE_MOV && track->par->bits_per_coded_sample)
2036 avio_wb16(pb, track->par->bits_per_coded_sample |
2037 (track->par->format == AV_PIX_FMT_GRAY8 ? 0x20 : 0));
2039 avio_wb16(pb, 0x18); /* Reserved */
2041 if (track->mode == MODE_MOV && track->par->format == AV_PIX_FMT_PAL8) {
2042 int pal_size = 1 << track->par->bits_per_coded_sample;
2044 avio_wb16(pb, 0); /* Color table ID */
2045 avio_wb32(pb, 0); /* Color table seed */
2046 avio_wb16(pb, 0x8000); /* Color table flags */
2047 avio_wb16(pb, pal_size - 1); /* Color table size (zero-relative) */
2048 for (i = 0; i < pal_size; i++) {
2049 uint32_t rgb = track->palette[i];
2050 uint16_t r = (rgb >> 16) & 0xff;
2051 uint16_t g = (rgb >> 8) & 0xff;
2052 uint16_t b = rgb & 0xff;
2054 avio_wb16(pb, (r << 8) | r);
2055 avio_wb16(pb, (g << 8) | g);
2056 avio_wb16(pb, (b << 8) | b);
2059 avio_wb16(pb, 0xffff); /* Reserved */
2061 if (track->tag == MKTAG('m','p','4','v'))
2062 mov_write_esds_tag(pb, track);
2063 else if (track->par->codec_id == AV_CODEC_ID_H263)
2064 mov_write_d263_tag(pb);
2065 else if (track->par->codec_id == AV_CODEC_ID_AVUI ||
2066 track->par->codec_id == AV_CODEC_ID_SVQ3) {
2067 mov_write_extradata_tag(pb, track);
2069 } else if (track->par->codec_id == AV_CODEC_ID_DNXHD) {
2070 mov_write_avid_tag(pb, track);
2072 } else if (track->par->codec_id == AV_CODEC_ID_HEVC)
2073 mov_write_hvcc_tag(pb, track);
2074 else if (track->par->codec_id == AV_CODEC_ID_H264 && !TAG_IS_AVCI(track->tag)) {
2075 mov_write_avcc_tag(pb, track);
2076 if (track->mode == MODE_IPOD)
2077 mov_write_uuid_tag_ipod(pb);
2078 } else if (track->par->codec_id == AV_CODEC_ID_VP9) {
2079 mov_write_vpcc_tag(mov->fc, pb, track);
2080 } else if (track->par->codec_id == AV_CODEC_ID_AV1) {
2081 mov_write_av1c_tag(pb, track);
2082 } else if (track->par->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
2083 mov_write_dvc1_tag(pb, track);
2084 else if (track->par->codec_id == AV_CODEC_ID_VP6F ||
2085 track->par->codec_id == AV_CODEC_ID_VP6A) {
2086 /* Don't write any potential extradata here - the cropping
2087 * is signalled via the normal width/height fields. */
2088 } else if (track->par->codec_id == AV_CODEC_ID_R10K) {
2089 if (track->par->codec_tag == MKTAG('R','1','0','k'))
2090 mov_write_dpxe_tag(pb, track);
2091 } else if (track->vos_len > 0)
2092 mov_write_glbl_tag(pb, track);
2094 if (track->par->codec_id != AV_CODEC_ID_H264 &&
2095 track->par->codec_id != AV_CODEC_ID_MPEG4 &&
2096 track->par->codec_id != AV_CODEC_ID_DNXHD) {
2097 int field_order = track->par->field_order;
2099 #if FF_API_LAVF_AVCTX
2100 FF_DISABLE_DEPRECATION_WARNINGS
2101 if (field_order != track->st->codec->field_order && track->st->codec->field_order != AV_FIELD_UNKNOWN)
2102 field_order = track->st->codec->field_order;
2103 FF_ENABLE_DEPRECATION_WARNINGS
2106 if (field_order != AV_FIELD_UNKNOWN)
2107 mov_write_fiel_tag(pb, track, field_order);
2110 if (mov->flags & FF_MOV_FLAG_WRITE_GAMA) {
2111 if (track->mode == MODE_MOV)
2112 mov_write_gama_tag(s, pb, track, mov->gamma);
2114 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'gama' atom. Format is not MOV.\n");
2116 if (mov->flags & FF_MOV_FLAG_WRITE_COLR) {
2117 if (track->mode == MODE_MOV || track->mode == MODE_MP4)
2118 mov_write_colr_tag(pb, track);
2120 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'colr' atom. Format is not MOV or MP4.\n");
2123 if (track->mode == MODE_MP4 && mov->fc->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
2124 AVStereo3D* stereo_3d = (AVStereo3D*) av_stream_get_side_data(track->st, AV_PKT_DATA_STEREO3D, NULL);
2125 AVSphericalMapping* spherical_mapping = (AVSphericalMapping*)av_stream_get_side_data(track->st, AV_PKT_DATA_SPHERICAL, NULL);
2128 mov_write_st3d_tag(s, pb, stereo_3d);
2129 if (spherical_mapping)
2130 mov_write_sv3d_tag(mov->fc, pb, spherical_mapping);
2133 if (track->par->sample_aspect_ratio.den && track->par->sample_aspect_ratio.num) {
2134 mov_write_pasp_tag(pb, track);
2137 if (uncompressed_ycbcr){
2138 mov_write_clap_tag(pb, track);
2141 if (mov->encryption_scheme != MOV_ENC_NONE) {
2142 ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid);
2145 /* extra padding for avid stsd */
2146 /* https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/QTFFChap2/qtff2.html#//apple_ref/doc/uid/TP40000939-CH204-61112 */
2150 return update_size(pb, pos);
2153 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
2155 int64_t pos = avio_tell(pb);
2156 avio_wb32(pb, 0); /* size */
2157 ffio_wfourcc(pb, "rtp ");
2158 avio_wb32(pb, 0); /* Reserved */
2159 avio_wb16(pb, 0); /* Reserved */
2160 avio_wb16(pb, 1); /* Data-reference index */
2162 avio_wb16(pb, 1); /* Hint track version */
2163 avio_wb16(pb, 1); /* Highest compatible version */
2164 avio_wb32(pb, track->max_packet_size); /* Max packet size */
2166 avio_wb32(pb, 12); /* size */
2167 ffio_wfourcc(pb, "tims");
2168 avio_wb32(pb, track->timescale);
2170 return update_size(pb, pos);
2173 static int mov_write_source_reference_tag(AVIOContext *pb, MOVTrack *track, const char *reel_name)
2175 uint64_t str_size =strlen(reel_name);
2176 int64_t pos = avio_tell(pb);
2178 if (str_size >= UINT16_MAX){
2179 av_log(NULL, AV_LOG_ERROR, "reel_name length %"PRIu64" is too large\n", str_size);
2181 return AVERROR(EINVAL);
2184 avio_wb32(pb, 0); /* size */
2185 ffio_wfourcc(pb, "name"); /* Data format */
2186 avio_wb16(pb, str_size); /* string size */
2187 avio_wb16(pb, track->language); /* langcode */
2188 avio_write(pb, reel_name, str_size); /* reel name */
2189 return update_size(pb,pos);
2192 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
2194 int64_t pos = avio_tell(pb);
2198 AVDictionaryEntry *t = NULL;
2200 if (!track->st->avg_frame_rate.num || !track->st->avg_frame_rate.den) {
2201 #if FF_API_LAVF_AVCTX
2202 FF_DISABLE_DEPRECATION_WARNINGS
2203 frame_duration = av_rescale(track->timescale, track->st->codec->time_base.num, track->st->codec->time_base.den);
2204 nb_frames = ROUNDED_DIV(track->st->codec->time_base.den, track->st->codec->time_base.num);
2205 FF_ENABLE_DEPRECATION_WARNINGS
2207 av_log(NULL, AV_LOG_ERROR, "avg_frame_rate not set for tmcd track.\n");
2208 return AVERROR(EINVAL);
2211 frame_duration = av_rescale(track->timescale, track->st->avg_frame_rate.num, track->st->avg_frame_rate.den);
2212 nb_frames = ROUNDED_DIV(track->st->avg_frame_rate.den, track->st->avg_frame_rate.num);
2215 if (nb_frames > 255) {
2216 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
2217 return AVERROR(EINVAL);
2220 avio_wb32(pb, 0); /* size */
2221 ffio_wfourcc(pb, "tmcd"); /* Data format */
2222 avio_wb32(pb, 0); /* Reserved */
2223 avio_wb32(pb, 1); /* Data reference index */
2224 avio_wb32(pb, 0); /* Flags */
2225 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
2226 avio_wb32(pb, track->timescale); /* Timescale */
2227 avio_wb32(pb, frame_duration); /* Frame duration */
2228 avio_w8(pb, nb_frames); /* Number of frames */
2229 avio_w8(pb, 0); /* Reserved */
2231 t = av_dict_get(track->st->metadata, "reel_name", NULL, 0);
2232 if (t && utf8len(t->value) && track->mode != MODE_MP4)
2233 mov_write_source_reference_tag(pb, track, t->value);
2235 avio_wb16(pb, 0); /* zero size */
2238 avio_wb32(pb, 0); /* size */
2239 ffio_wfourcc(pb, "tmcd"); /* Data format */
2240 avio_wb32(pb, 0); /* Reserved */
2241 avio_wb32(pb, 1); /* Data reference index */
2242 if (track->par->extradata_size)
2243 avio_write(pb, track->par->extradata, track->par->extradata_size);
2245 return update_size(pb, pos);
2248 static int mov_write_gpmd_tag(AVIOContext *pb, const MOVTrack *track)
2250 int64_t pos = avio_tell(pb);
2251 avio_wb32(pb, 0); /* size */
2252 ffio_wfourcc(pb, "gpmd");
2253 avio_wb32(pb, 0); /* Reserved */
2254 avio_wb16(pb, 0); /* Reserved */
2255 avio_wb16(pb, 1); /* Data-reference index */
2256 avio_wb32(pb, 0); /* Reserved */
2257 return update_size(pb, pos);
2260 static int mov_write_stsd_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2262 int64_t pos = avio_tell(pb);
2264 avio_wb32(pb, 0); /* size */
2265 ffio_wfourcc(pb, "stsd");
2266 avio_wb32(pb, 0); /* version & flags */
2267 avio_wb32(pb, 1); /* entry count */
2268 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2269 ret = mov_write_video_tag(s, pb, mov, track);
2270 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2271 ret = mov_write_audio_tag(s, pb, mov, track);
2272 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
2273 ret = mov_write_subtitle_tag(pb, track);
2274 else if (track->par->codec_tag == MKTAG('r','t','p',' '))
2275 ret = mov_write_rtp_tag(pb, track);
2276 else if (track->par->codec_tag == MKTAG('t','m','c','d'))
2277 ret = mov_write_tmcd_tag(pb, track);
2278 else if (track->par->codec_tag == MKTAG('g','p','m','d'))
2279 ret = mov_write_gpmd_tag(pb, track);
2284 return update_size(pb, pos);
2287 static int mov_write_ctts_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
2289 MOVMuxContext *mov = s->priv_data;
2290 MOVStts *ctts_entries;
2291 uint32_t entries = 0;
2295 ctts_entries = av_malloc_array((track->entry + 1), sizeof(*ctts_entries)); /* worst case */
2297 return AVERROR(ENOMEM);
2298 ctts_entries[0].count = 1;
2299 ctts_entries[0].duration = track->cluster[0].cts;
2300 for (i = 1; i < track->entry; i++) {
2301 if (track->cluster[i].cts == ctts_entries[entries].duration) {
2302 ctts_entries[entries].count++; /* compress */
2305 ctts_entries[entries].duration = track->cluster[i].cts;
2306 ctts_entries[entries].count = 1;
2309 entries++; /* last one */
2310 atom_size = 16 + (entries * 8);
2311 avio_wb32(pb, atom_size); /* size */
2312 ffio_wfourcc(pb, "ctts");
2313 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
2314 avio_w8(pb, 1); /* version */
2316 avio_w8(pb, 0); /* version */
2317 avio_wb24(pb, 0); /* flags */
2318 avio_wb32(pb, entries); /* entry count */
2319 for (i = 0; i < entries; i++) {
2320 avio_wb32(pb, ctts_entries[i].count);
2321 avio_wb32(pb, ctts_entries[i].duration);
2323 av_free(ctts_entries);
2327 /* Time to sample atom */
2328 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
2330 MOVStts *stts_entries = NULL;
2331 uint32_t entries = -1;
2335 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
2336 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
2338 return AVERROR(ENOMEM);
2339 stts_entries[0].count = track->sample_count;
2340 stts_entries[0].duration = 1;
2344 stts_entries = av_malloc_array(track->entry, sizeof(*stts_entries)); /* worst case */
2346 return AVERROR(ENOMEM);
2348 for (i = 0; i < track->entry; i++) {
2349 int duration = get_cluster_duration(track, i);
2350 if (i && duration == stts_entries[entries].duration) {
2351 stts_entries[entries].count++; /* compress */
2354 stts_entries[entries].duration = duration;
2355 stts_entries[entries].count = 1;
2358 entries++; /* last one */
2360 atom_size = 16 + (entries * 8);
2361 avio_wb32(pb, atom_size); /* size */
2362 ffio_wfourcc(pb, "stts");
2363 avio_wb32(pb, 0); /* version & flags */
2364 avio_wb32(pb, entries); /* entry count */
2365 for (i = 0; i < entries; i++) {
2366 avio_wb32(pb, stts_entries[i].count);
2367 avio_wb32(pb, stts_entries[i].duration);
2369 av_free(stts_entries);
2373 static int mov_write_dref_tag(AVIOContext *pb)
2375 avio_wb32(pb, 28); /* size */
2376 ffio_wfourcc(pb, "dref");
2377 avio_wb32(pb, 0); /* version & flags */
2378 avio_wb32(pb, 1); /* entry count */
2380 avio_wb32(pb, 0xc); /* size */
2381 //FIXME add the alis and rsrc atom
2382 ffio_wfourcc(pb, "url ");
2383 avio_wb32(pb, 1); /* version & flags */
2388 static int mov_preroll_write_stbl_atoms(AVIOContext *pb, MOVTrack *track)
2392 int16_t roll_distance;
2393 int group_description_index;
2396 struct sgpd_entry *sgpd_entries = NULL;
2401 const int OPUS_SEEK_PREROLL_MS = 80;
2402 int roll_samples = av_rescale_q(OPUS_SEEK_PREROLL_MS,
2403 (AVRational){1, 1000},
2404 (AVRational){1, 48000});
2409 sgpd_entries = av_malloc_array(track->entry, sizeof(*sgpd_entries));
2411 return AVERROR(ENOMEM);
2413 av_assert0(track->par->codec_id == AV_CODEC_ID_OPUS || track->par->codec_id == AV_CODEC_ID_AAC);
2415 if (track->par->codec_id == AV_CODEC_ID_OPUS) {
2416 for (i = 0; i < track->entry; i++) {
2417 int roll_samples_remaining = roll_samples;
2419 for (j = i - 1; j >= 0; j--) {
2420 roll_samples_remaining -= get_cluster_duration(track, j);
2422 if (roll_samples_remaining <= 0)
2425 /* We don't have enough preceeding samples to compute a valid
2426 roll_distance here, so this sample can't be independently
2428 if (roll_samples_remaining > 0)
2430 /* Verify distance is a maximum of 32 (2.5ms) packets. */
2432 return AVERROR_INVALIDDATA;
2433 if (i && distance == sgpd_entries[entries].roll_distance) {
2434 sgpd_entries[entries].count++;
2437 sgpd_entries[entries].count = 1;
2438 sgpd_entries[entries].roll_distance = distance;
2439 sgpd_entries[entries].group_description_index = distance ? ++group : 0;
2444 sgpd_entries[entries].count = track->sample_count;
2445 sgpd_entries[entries].roll_distance = 1;
2446 sgpd_entries[entries].group_description_index = ++group;
2451 av_free(sgpd_entries);
2455 /* Write sgpd tag */
2456 avio_wb32(pb, 24 + (group * 2)); /* size */
2457 ffio_wfourcc(pb, "sgpd");
2458 avio_wb32(pb, 1 << 24); /* fullbox */
2459 ffio_wfourcc(pb, "roll");
2460 avio_wb32(pb, 2); /* default_length */
2461 avio_wb32(pb, group); /* entry_count */
2462 for (i = 0; i < entries; i++) {
2463 if (sgpd_entries[i].group_description_index) {
2464 avio_wb16(pb, -sgpd_entries[i].roll_distance); /* roll_distance */
2468 /* Write sbgp tag */
2469 avio_wb32(pb, 20 + (entries * 8)); /* size */
2470 ffio_wfourcc(pb, "sbgp");
2471 avio_wb32(pb, 0); /* fullbox */
2472 ffio_wfourcc(pb, "roll");
2473 avio_wb32(pb, entries); /* entry_count */
2474 for (i = 0; i < entries; i++) {
2475 avio_wb32(pb, sgpd_entries[i].count); /* sample_count */
2476 avio_wb32(pb, sgpd_entries[i].group_description_index); /* group_description_index */
2479 av_free(sgpd_entries);
2483 static int mov_write_stbl_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2485 int64_t pos = avio_tell(pb);
2488 avio_wb32(pb, 0); /* size */
2489 ffio_wfourcc(pb, "stbl");
2490 if ((ret = mov_write_stsd_tag(s, pb, mov, track)) < 0)
2492 mov_write_stts_tag(pb, track);
2493 if ((track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2494 track->par->codec_id == AV_CODEC_ID_TRUEHD ||
2495 track->par->codec_tag == MKTAG('r','t','p',' ')) &&
2496 track->has_keyframes && track->has_keyframes < track->entry)
2497 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
2498 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO && track->has_disposable)
2499 mov_write_sdtp_tag(pb, track);
2500 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
2501 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
2502 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO &&
2503 track->flags & MOV_TRACK_CTTS && track->entry) {
2505 if ((ret = mov_write_ctts_tag(s, pb, track)) < 0)
2508 mov_write_stsc_tag(pb, track);
2509 mov_write_stsz_tag(pb, track);
2510 mov_write_stco_tag(pb, track);
2511 if (track->cenc.aes_ctr) {
2512 ff_mov_cenc_write_stbl_atoms(&track->cenc, pb);
2514 if (track->par->codec_id == AV_CODEC_ID_OPUS || track->par->codec_id == AV_CODEC_ID_AAC) {
2515 mov_preroll_write_stbl_atoms(pb, track);
2517 return update_size(pb, pos);
2520 static int mov_write_dinf_tag(AVIOContext *pb)
2522 int64_t pos = avio_tell(pb);
2523 avio_wb32(pb, 0); /* size */
2524 ffio_wfourcc(pb, "dinf");
2525 mov_write_dref_tag(pb);
2526 return update_size(pb, pos);
2529 static int mov_write_nmhd_tag(AVIOContext *pb)
2532 ffio_wfourcc(pb, "nmhd");
2537 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
2539 int64_t pos = avio_tell(pb);
2540 const char *font = "Lucida Grande";
2541 avio_wb32(pb, 0); /* size */
2542 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
2543 avio_wb32(pb, 0); /* version & flags */
2544 avio_wb16(pb, 0); /* text font */
2545 avio_wb16(pb, 0); /* text face */
2546 avio_wb16(pb, 12); /* text size */
2547 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
2548 avio_wb16(pb, 0x0000); /* text color (red) */
2549 avio_wb16(pb, 0x0000); /* text color (green) */
2550 avio_wb16(pb, 0x0000); /* text color (blue) */
2551 avio_wb16(pb, 0xffff); /* background color (red) */
2552 avio_wb16(pb, 0xffff); /* background color (green) */
2553 avio_wb16(pb, 0xffff); /* background color (blue) */
2554 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
2555 avio_write(pb, font, strlen(font)); /* font name */
2556 return update_size(pb, pos);
2559 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
2561 int64_t pos = avio_tell(pb);
2562 avio_wb32(pb, 0); /* size */
2563 ffio_wfourcc(pb, "gmhd");
2564 avio_wb32(pb, 0x18); /* gmin size */
2565 ffio_wfourcc(pb, "gmin");/* generic media info */
2566 avio_wb32(pb, 0); /* version & flags */
2567 avio_wb16(pb, 0x40); /* graphics mode = */
2568 avio_wb16(pb, 0x8000); /* opColor (r?) */
2569 avio_wb16(pb, 0x8000); /* opColor (g?) */
2570 avio_wb16(pb, 0x8000); /* opColor (b?) */
2571 avio_wb16(pb, 0); /* balance */
2572 avio_wb16(pb, 0); /* reserved */
2575 * This special text atom is required for
2576 * Apple Quicktime chapters. The contents
2577 * don't appear to be documented, so the
2578 * bytes are copied verbatim.
2580 if (track->tag != MKTAG('c','6','0','8')) {
2581 avio_wb32(pb, 0x2C); /* size */
2582 ffio_wfourcc(pb, "text");
2583 avio_wb16(pb, 0x01);
2584 avio_wb32(pb, 0x00);
2585 avio_wb32(pb, 0x00);
2586 avio_wb32(pb, 0x00);
2587 avio_wb32(pb, 0x01);
2588 avio_wb32(pb, 0x00);
2589 avio_wb32(pb, 0x00);
2590 avio_wb32(pb, 0x00);
2591 avio_wb32(pb, 0x00004000);
2592 avio_wb16(pb, 0x0000);
2595 if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2596 int64_t tmcd_pos = avio_tell(pb);
2597 avio_wb32(pb, 0); /* size */
2598 ffio_wfourcc(pb, "tmcd");
2599 mov_write_tcmi_tag(pb, track);
2600 update_size(pb, tmcd_pos);
2601 } else if (track->par->codec_tag == MKTAG('g','p','m','d')) {
2602 int64_t gpmd_pos = avio_tell(pb);
2603 avio_wb32(pb, 0); /* size */
2604 ffio_wfourcc(pb, "gpmd");
2605 avio_wb32(pb, 0); /* version */
2606 update_size(pb, gpmd_pos);
2608 return update_size(pb, pos);
2611 static int mov_write_smhd_tag(AVIOContext *pb)
2613 avio_wb32(pb, 16); /* size */
2614 ffio_wfourcc(pb, "smhd");
2615 avio_wb32(pb, 0); /* version & flags */
2616 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
2617 avio_wb16(pb, 0); /* reserved */
2621 static int mov_write_vmhd_tag(AVIOContext *pb)
2623 avio_wb32(pb, 0x14); /* size (always 0x14) */
2624 ffio_wfourcc(pb, "vmhd");
2625 avio_wb32(pb, 0x01); /* version & flags */
2626 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
2630 static int is_clcp_track(MOVTrack *track)
2632 return track->tag == MKTAG('c','7','0','8') ||
2633 track->tag == MKTAG('c','6','0','8');
2636 static int mov_write_hdlr_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
2638 MOVMuxContext *mov = s->priv_data;
2639 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
2640 int64_t pos = avio_tell(pb);
2644 descr = "DataHandler";
2647 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
2648 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
2650 descr = "VideoHandler";
2651 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
2653 descr = "SoundHandler";
2654 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2655 if (is_clcp_track(track)) {
2657 descr = "ClosedCaptionHandler";
2659 if (track->tag == MKTAG('t','x','3','g')) {
2661 } else if (track->tag == MKTAG('m','p','4','s')) {
2666 descr = "SubtitleHandler";
2668 } else if (track->par->codec_tag == MKTAG('r','t','p',' ')) {
2670 descr = "HintHandler";
2671 } else if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2673 descr = "TimeCodeHandler";
2674 } else if (track->par->codec_tag == MKTAG('g','p','m','d')) {
2676 descr = "GoPro MET"; // GoPro Metadata
2678 av_log(s, AV_LOG_WARNING,
2679 "Unknown hldr_type for %s, writing dummy values\n",
2680 av_fourcc2str(track->par->codec_tag));
2683 // hdlr.name is used by some players to identify the content title
2684 // of the track. So if an alternate handler description is
2685 // specified, use it.
2686 AVDictionaryEntry *t;
2687 t = av_dict_get(track->st->metadata, "handler_name", NULL, 0);
2688 if (t && utf8len(t->value))
2693 if (mov->empty_hdlr_name) /* expressly allowed by QTFF and not prohibited in ISO 14496-12 8.4.3.3 */
2696 avio_wb32(pb, 0); /* size */
2697 ffio_wfourcc(pb, "hdlr");
2698 avio_wb32(pb, 0); /* Version & flags */
2699 avio_write(pb, hdlr, 4); /* handler */
2700 ffio_wfourcc(pb, hdlr_type); /* handler type */
2701 avio_wb32(pb, 0); /* reserved */
2702 avio_wb32(pb, 0); /* reserved */
2703 avio_wb32(pb, 0); /* reserved */
2704 if (!track || track->mode == MODE_MOV)
2705 avio_w8(pb, strlen(descr)); /* pascal string */
2706 avio_write(pb, descr, strlen(descr)); /* handler description */
2707 if (track && track->mode != MODE_MOV)
2708 avio_w8(pb, 0); /* c string */
2709 return update_size(pb, pos);
2712 static int mov_write_hmhd_tag(AVIOContext *pb)
2714 /* This atom must be present, but leaving the values at zero
2715 * seems harmless. */
2716 avio_wb32(pb, 28); /* size */
2717 ffio_wfourcc(pb, "hmhd");
2718 avio_wb32(pb, 0); /* version, flags */
2719 avio_wb16(pb, 0); /* maxPDUsize */
2720 avio_wb16(pb, 0); /* avgPDUsize */
2721 avio_wb32(pb, 0); /* maxbitrate */
2722 avio_wb32(pb, 0); /* avgbitrate */
2723 avio_wb32(pb, 0); /* reserved */
2727 static int mov_write_minf_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2729 int64_t pos = avio_tell(pb);
2732 avio_wb32(pb, 0); /* size */
2733 ffio_wfourcc(pb, "minf");
2734 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2735 mov_write_vmhd_tag(pb);
2736 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2737 mov_write_smhd_tag(pb);
2738 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2739 if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
2740 mov_write_gmhd_tag(pb, track);
2742 mov_write_nmhd_tag(pb);
2744 } else if (track->tag == MKTAG('r','t','p',' ')) {
2745 mov_write_hmhd_tag(pb);
2746 } else if (track->tag == MKTAG('t','m','c','d')) {
2747 if (track->mode != MODE_MOV)
2748 mov_write_nmhd_tag(pb);
2750 mov_write_gmhd_tag(pb, track);
2751 } else if (track->tag == MKTAG('g','p','m','d')) {
2752 mov_write_gmhd_tag(pb, track);
2754 if (track->mode == MODE_MOV) /* ISO 14496-12 8.4.3.1 specifies hdlr only within mdia or meta boxes */
2755 mov_write_hdlr_tag(s, pb, NULL);
2756 mov_write_dinf_tag(pb);
2757 if ((ret = mov_write_stbl_tag(s, pb, mov, track)) < 0)
2759 return update_size(pb, pos);
2762 static int mov_write_mdhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2765 int version = track->track_duration < INT32_MAX ? 0 : 1;
2767 if (track->mode == MODE_ISM)
2770 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
2771 ffio_wfourcc(pb, "mdhd");
2772 avio_w8(pb, version);
2773 avio_wb24(pb, 0); /* flags */
2775 avio_wb64(pb, track->time);
2776 avio_wb64(pb, track->time);
2778 avio_wb32(pb, track->time); /* creation time */
2779 avio_wb32(pb, track->time); /* modification time */
2781 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
2782 if (!track->entry && mov->mode == MODE_ISM)
2783 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2784 else if (!track->entry)
2785 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2787 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
2788 avio_wb16(pb, track->language); /* language */
2789 avio_wb16(pb, 0); /* reserved (quality) */
2791 if (version != 0 && track->mode == MODE_MOV) {
2792 av_log(NULL, AV_LOG_ERROR,
2793 "FATAL error, file duration too long for timebase, this file will not be\n"
2794 "playable with QuickTime. Choose a different timebase with "
2795 "-video_track_timescale or a different container format\n");
2801 static int mov_write_mdia_tag(AVFormatContext *s, AVIOContext *pb,
2802 MOVMuxContext *mov, MOVTrack *track)
2804 int64_t pos = avio_tell(pb);
2807 avio_wb32(pb, 0); /* size */
2808 ffio_wfourcc(pb, "mdia");
2809 mov_write_mdhd_tag(pb, mov, track);
2810 mov_write_hdlr_tag(s, pb, track);
2811 if ((ret = mov_write_minf_tag(s, pb, mov, track)) < 0)
2813 return update_size(pb, pos);
2816 /* transformation matrix
2820 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
2821 int16_t d, int16_t tx, int16_t ty)
2823 avio_wb32(pb, a << 16); /* 16.16 format */
2824 avio_wb32(pb, b << 16); /* 16.16 format */
2825 avio_wb32(pb, 0); /* u in 2.30 format */
2826 avio_wb32(pb, c << 16); /* 16.16 format */
2827 avio_wb32(pb, d << 16); /* 16.16 format */
2828 avio_wb32(pb, 0); /* v in 2.30 format */
2829 avio_wb32(pb, tx << 16); /* 16.16 format */
2830 avio_wb32(pb, ty << 16); /* 16.16 format */
2831 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
2834 static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2835 MOVTrack *track, AVStream *st)
2837 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
2838 track->timescale, AV_ROUND_UP);
2839 int version = duration < INT32_MAX ? 0 : 1;
2840 int flags = MOV_TKHD_FLAG_IN_MOVIE;
2844 uint32_t *display_matrix = NULL;
2845 int display_matrix_size, i;
2848 if (mov->per_stream_grouping)
2851 group = st->codecpar->codec_type;
2853 display_matrix = (uint32_t*)av_stream_get_side_data(st, AV_PKT_DATA_DISPLAYMATRIX,
2854 &display_matrix_size);
2855 if (display_matrix && display_matrix_size < 9 * sizeof(*display_matrix))
2856 display_matrix = NULL;
2859 if (track->flags & MOV_TRACK_ENABLED)
2860 flags |= MOV_TKHD_FLAG_ENABLED;
2862 if (track->mode == MODE_ISM)
2865 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
2866 ffio_wfourcc(pb, "tkhd");
2867 avio_w8(pb, version);
2868 avio_wb24(pb, flags);
2870 avio_wb64(pb, track->time);
2871 avio_wb64(pb, track->time);
2873 avio_wb32(pb, track->time); /* creation time */
2874 avio_wb32(pb, track->time); /* modification time */
2876 avio_wb32(pb, track->track_id); /* track-id */
2877 avio_wb32(pb, 0); /* reserved */
2878 if (!track->entry && mov->mode == MODE_ISM)
2879 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2880 else if (!track->entry)
2881 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2883 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
2885 avio_wb32(pb, 0); /* reserved */
2886 avio_wb32(pb, 0); /* reserved */
2887 avio_wb16(pb, 0); /* layer */
2888 avio_wb16(pb, group); /* alternate group) */
2889 /* Volume, only for audio */
2890 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2891 avio_wb16(pb, 0x0100);
2894 avio_wb16(pb, 0); /* reserved */
2896 /* Matrix structure */
2897 #if FF_API_OLD_ROTATE_API
2898 if (st && st->metadata) {
2899 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
2900 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
2903 if (display_matrix) {
2904 for (i = 0; i < 9; i++)
2905 avio_wb32(pb, display_matrix[i]);
2906 #if FF_API_OLD_ROTATE_API
2907 } else if (rotation == 90) {
2908 write_matrix(pb, 0, 1, -1, 0, track->par->height, 0);
2909 } else if (rotation == 180) {
2910 write_matrix(pb, -1, 0, 0, -1, track->par->width, track->par->height);
2911 } else if (rotation == 270) {
2912 write_matrix(pb, 0, -1, 1, 0, 0, track->par->width);
2915 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2917 /* Track width and height, for visual only */
2918 if (st && (track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2919 track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
2920 int64_t track_width_1616;
2921 if (track->mode == MODE_MOV) {
2922 track_width_1616 = track->par->width * 0x10000ULL;
2924 track_width_1616 = av_rescale(st->sample_aspect_ratio.num,
2925 track->par->width * 0x10000LL,
2926 st->sample_aspect_ratio.den);
2927 if (!track_width_1616 ||
2928 track->height != track->par->height ||
2929 track_width_1616 > UINT32_MAX)
2930 track_width_1616 = track->par->width * 0x10000ULL;
2932 if (track_width_1616 > UINT32_MAX) {
2933 av_log(mov->fc, AV_LOG_WARNING, "track width is too large\n");
2934 track_width_1616 = 0;
2936 avio_wb32(pb, track_width_1616);
2937 if (track->height > 0xFFFF) {
2938 av_log(mov->fc, AV_LOG_WARNING, "track height is too large\n");
2941 avio_wb32(pb, track->height * 0x10000U);
2949 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
2951 int32_t width = av_rescale(track->par->sample_aspect_ratio.num, track->par->width,
2952 track->par->sample_aspect_ratio.den);
2954 int64_t pos = avio_tell(pb);
2956 avio_wb32(pb, 0); /* size */
2957 ffio_wfourcc(pb, "tapt");
2960 ffio_wfourcc(pb, "clef");
2962 avio_wb32(pb, width << 16);
2963 avio_wb32(pb, track->par->height << 16);
2966 ffio_wfourcc(pb, "prof");
2968 avio_wb32(pb, width << 16);
2969 avio_wb32(pb, track->par->height << 16);
2972 ffio_wfourcc(pb, "enof");
2974 avio_wb32(pb, track->par->width << 16);
2975 avio_wb32(pb, track->par->height << 16);
2977 return update_size(pb, pos);
2980 // This box seems important for the psp playback ... without it the movie seems to hang
2981 static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov,
2984 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
2985 track->timescale, AV_ROUND_UP);
2986 int version = duration < INT32_MAX ? 0 : 1;
2987 int entry_size, entry_count, size;
2988 int64_t delay, start_ct = track->start_cts;
2989 int64_t start_dts = track->start_dts;
2992 if (start_dts != track->cluster[0].dts || start_ct != track->cluster[0].cts) {
2994 av_log(mov->fc, AV_LOG_DEBUG,
2995 "EDTS using dts:%"PRId64" cts:%d instead of dts:%"PRId64" cts:%"PRId64" tid:%d\n",
2996 track->cluster[0].dts, track->cluster[0].cts,
2997 start_dts, start_ct, track->track_id);
2998 start_dts = track->cluster[0].dts;
2999 start_ct = track->cluster[0].cts;
3003 delay = av_rescale_rnd(start_dts + start_ct, MOV_TIMESCALE,
3004 track->timescale, AV_ROUND_DOWN);
3005 version |= delay < INT32_MAX ? 0 : 1;
3007 entry_size = (version == 1) ? 20 : 12;
3008 entry_count = 1 + (delay > 0);
3009 size = 24 + entry_count * entry_size;
3011 /* write the atom data */
3012 avio_wb32(pb, size);
3013 ffio_wfourcc(pb, "edts");
3014 avio_wb32(pb, size - 8);
3015 ffio_wfourcc(pb, "elst");
3016 avio_w8(pb, version);
3017 avio_wb24(pb, 0); /* flags */
3019 avio_wb32(pb, entry_count);
3020 if (delay > 0) { /* add an empty edit to delay presentation */
3021 /* In the positive delay case, the delay includes the cts
3022 * offset, and the second edit list entry below trims out
3023 * the same amount from the actual content. This makes sure
3024 * that the offset last sample is included in the edit
3025 * list duration as well. */
3027 avio_wb64(pb, delay);
3030 avio_wb32(pb, delay);
3033 avio_wb32(pb, 0x00010000);
3035 /* Avoid accidentally ending up with start_ct = -1 which has got a
3036 * special meaning. Normally start_ct should end up positive or zero
3037 * here, but use FFMIN in case dts is a small positive integer
3038 * rounded to 0 when represented in MOV_TIMESCALE units. */
3039 av_assert0(av_rescale_rnd(start_dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
3040 start_ct = -FFMIN(start_dts, 0);
3041 /* Note, this delay is calculated from the pts of the first sample,
3042 * ensuring that we don't reduce the duration for cases with
3047 /* For fragmented files, we don't know the full length yet. Setting
3048 * duration to 0 allows us to only specify the offset, including
3049 * the rest of the content (from all future fragments) without specifying
3050 * an explicit duration. */
3051 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
3056 avio_wb64(pb, duration);
3057 avio_wb64(pb, start_ct);
3059 avio_wb32(pb, duration);
3060 avio_wb32(pb, start_ct);
3062 avio_wb32(pb, 0x00010000);
3066 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
3068 avio_wb32(pb, 20); // size
3069 ffio_wfourcc(pb, "tref");
3070 avio_wb32(pb, 12); // size (subatom)
3071 avio_wl32(pb, track->tref_tag);
3072 avio_wb32(pb, track->tref_id);
3076 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
3077 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
3079 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
3080 ffio_wfourcc(pb, "uuid");
3081 ffio_wfourcc(pb, "USMT");
3082 avio_wb32(pb, 0x21d24fce);
3083 avio_wb32(pb, 0xbb88695c);
3084 avio_wb32(pb, 0xfac9c740);
3085 avio_wb32(pb, 0x1c); // another size here!
3086 ffio_wfourcc(pb, "MTDT");
3087 avio_wb32(pb, 0x00010012);
3088 avio_wb32(pb, 0x0a);
3089 avio_wb32(pb, 0x55c40000);
3095 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
3097 AVFormatContext *ctx = track->rtp_ctx;
3098 char buf[1000] = "";
3101 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
3102 NULL, NULL, 0, 0, ctx);
3103 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
3106 avio_wb32(pb, len + 24);
3107 ffio_wfourcc(pb, "udta");
3108 avio_wb32(pb, len + 16);
3109 ffio_wfourcc(pb, "hnti");
3110 avio_wb32(pb, len + 8);
3111 ffio_wfourcc(pb, "sdp ");
3112 avio_write(pb, buf, len);
3116 static int mov_write_track_metadata(AVIOContext *pb, AVStream *st,
3117 const char *tag, const char *str)
3119 int64_t pos = avio_tell(pb);
3120 AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
3121 if (!t || !utf8len(t->value))
3124 avio_wb32(pb, 0); /* size */
3125 ffio_wfourcc(pb, tag); /* type */
3126 avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
3127 return update_size(pb, pos);
3130 static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3133 AVIOContext *pb_buf;
3140 ret = avio_open_dyn_buf(&pb_buf);
3144 if (mov->mode & (MODE_MP4|MODE_MOV))
3145 mov_write_track_metadata(pb_buf, st, "name", "title");
3147 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
3148 avio_wb32(pb, size + 8);
3149 ffio_wfourcc(pb, "udta");
3150 avio_write(pb, buf, size);
3157 static int mov_write_trak_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov,
3158 MOVTrack *track, AVStream *st)
3160 int64_t pos = avio_tell(pb);
3161 int entry_backup = track->entry;
3162 int chunk_backup = track->chunkCount;
3165 /* If we want to have an empty moov, but some samples already have been
3166 * buffered (delay_moov), pretend that no samples have been written yet. */
3167 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV)
3168 track->chunkCount = track->entry = 0;
3170 avio_wb32(pb, 0); /* size */
3171 ffio_wfourcc(pb, "trak");
3172 mov_write_tkhd_tag(pb, mov, track, st);
3174 av_assert2(mov->use_editlist >= 0);
3176 if (track->start_dts != AV_NOPTS_VALUE) {
3177 if (mov->use_editlist)
3178 mov_write_edts_tag(pb, mov, track); // PSP Movies and several other cases require edts box
3179 else if ((track->entry && track->cluster[0].dts) || track->mode == MODE_PSP || is_clcp_track(track))
3180 av_log(mov->fc, AV_LOG_WARNING,
3181 "Not writing any edit list even though one would have been required\n");
3184 if (track->tref_tag)
3185 mov_write_tref_tag(pb, track);
3187 if ((ret = mov_write_mdia_tag(s, pb, mov, track)) < 0)
3189 if (track->mode == MODE_PSP)
3190 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
3191 if (track->tag == MKTAG('r','t','p',' '))
3192 mov_write_udta_sdp(pb, track);
3193 if (track->mode == MODE_MOV) {
3194 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
3195 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
3196 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio) {
3197 mov_write_tapt_tag(pb, track);
3200 if (is_clcp_track(track) && st->sample_aspect_ratio.num) {
3201 mov_write_tapt_tag(pb, track);
3204 mov_write_track_udta_tag(pb, mov, st);
3205 track->entry = entry_backup;
3206 track->chunkCount = chunk_backup;
3207 return update_size(pb, pos);
3210 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
3212 int i, has_audio = 0, has_video = 0;
3213 int64_t pos = avio_tell(pb);
3214 int audio_profile = mov->iods_audio_profile;
3215 int video_profile = mov->iods_video_profile;
3216 for (i = 0; i < mov->nb_streams; i++) {
3217 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3218 has_audio |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_AUDIO;
3219 has_video |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_VIDEO;
3222 if (audio_profile < 0)
3223 audio_profile = 0xFF - has_audio;
3224 if (video_profile < 0)
3225 video_profile = 0xFF - has_video;
3226 avio_wb32(pb, 0x0); /* size */
3227 ffio_wfourcc(pb, "iods");
3228 avio_wb32(pb, 0); /* version & flags */
3229 put_descr(pb, 0x10, 7);
3230 avio_wb16(pb, 0x004f);
3233 avio_w8(pb, audio_profile);
3234 avio_w8(pb, video_profile);
3236 return update_size(pb, pos);
3239 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
3241 avio_wb32(pb, 0x20); /* size */
3242 ffio_wfourcc(pb, "trex");
3243 avio_wb32(pb, 0); /* version & flags */
3244 avio_wb32(pb, track->track_id); /* track ID */
3245 avio_wb32(pb, 1); /* default sample description index */
3246 avio_wb32(pb, 0); /* default sample duration */
3247 avio_wb32(pb, 0); /* default sample size */
3248 avio_wb32(pb, 0); /* default sample flags */
3252 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
3254 int64_t pos = avio_tell(pb);
3256 avio_wb32(pb, 0x0); /* size */
3257 ffio_wfourcc(pb, "mvex");
3258 for (i = 0; i < mov->nb_streams; i++)
3259 mov_write_trex_tag(pb, &mov->tracks[i]);
3260 return update_size(pb, pos);
3263 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
3265 int max_track_id = 1, i;
3266 int64_t max_track_len = 0;
3269 for (i = 0; i < mov->nb_streams; i++) {
3270 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
3271 int64_t max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
3273 mov->tracks[i].timescale,
3275 if (max_track_len < max_track_len_temp)
3276 max_track_len = max_track_len_temp;
3277 if (max_track_id < mov->tracks[i].track_id)
3278 max_track_id = mov->tracks[i].track_id;
3281 /* If using delay_moov, make sure the output is the same as if no
3282 * samples had been written yet. */
3283 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3288 version = max_track_len < UINT32_MAX ? 0 : 1;
3289 avio_wb32(pb, version == 1 ? 120 : 108); /* size */
3291 ffio_wfourcc(pb, "mvhd");
3292 avio_w8(pb, version);
3293 avio_wb24(pb, 0); /* flags */
3295 avio_wb64(pb, mov->time);
3296 avio_wb64(pb, mov->time);
3298 avio_wb32(pb, mov->time); /* creation time */
3299 avio_wb32(pb, mov->time); /* modification time */
3301 avio_wb32(pb, MOV_TIMESCALE);
3302 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
3304 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
3305 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
3306 avio_wb16(pb, 0); /* reserved */
3307 avio_wb32(pb, 0); /* reserved */
3308 avio_wb32(pb, 0); /* reserved */
3310 /* Matrix structure */
3311 write_matrix(pb, 1, 0, 0, 1, 0, 0);
3313 avio_wb32(pb, 0); /* reserved (preview time) */
3314 avio_wb32(pb, 0); /* reserved (preview duration) */
3315 avio_wb32(pb, 0); /* reserved (poster time) */
3316 avio_wb32(pb, 0); /* reserved (selection time) */
3317 avio_wb32(pb, 0); /* reserved (selection duration) */
3318 avio_wb32(pb, 0); /* reserved (current time) */
3319 avio_wb32(pb, max_track_id + 1); /* Next track id */
3323 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3326 avio_wb32(pb, 33); /* size */
3327 ffio_wfourcc(pb, "hdlr");
3330 ffio_wfourcc(pb, "mdir");
3331 ffio_wfourcc(pb, "appl");
3338 /* helper function to write a data tag with the specified string as data */
3339 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
3342 int size = 16 + strlen(data);
3343 avio_wb32(pb, size); /* size */
3344 ffio_wfourcc(pb, "data");
3347 avio_write(pb, data, strlen(data));
3351 lang = ff_mov_iso639_to_lang("und", 1);
3352 avio_wb16(pb, strlen(data)); /* string length */
3353 avio_wb16(pb, lang);
3354 avio_write(pb, data, strlen(data));
3355 return strlen(data) + 4;
3359 static int mov_write_string_tag(AVIOContext *pb, const char *name,
3360 const char *value, int lang, int long_style)
3363 if (value && value[0]) {
3364 int64_t pos = avio_tell(pb);
3365 avio_wb32(pb, 0); /* size */
3366 ffio_wfourcc(pb, name);
3367 mov_write_string_data_tag(pb, value, lang, long_style);
3368 size = update_size(pb, pos);
3373 static AVDictionaryEntry *get_metadata_lang(AVFormatContext *s,
3374 const char *tag, int *lang)
3377 AVDictionaryEntry *t, *t2 = NULL;
3382 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3385 len = strlen(t->key);
3386 snprintf(tag2, sizeof(tag2), "%s-", tag);
3387 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
3388 len2 = strlen(t2->key);
3389 if (len2 == len + 4 && !strcmp(t->value, t2->value)
3390 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
3398 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
3399 const char *name, const char *tag,
3403 AVDictionaryEntry *t = get_metadata_lang(s, tag, &lang);
3406 return mov_write_string_tag(pb, name, t->value, lang, long_style);
3409 /* iTunes bpm number */
3410 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
3412 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
3413 int size = 0, tmpo = t ? atoi(t->value) : 0;
3416 avio_wb32(pb, size);
3417 ffio_wfourcc(pb, "tmpo");
3418 avio_wb32(pb, size-8); /* size */
3419 ffio_wfourcc(pb, "data");
3420 avio_wb32(pb, 0x15); //type specifier
3422 avio_wb16(pb, tmpo); // data
3427 /* 3GPP TS 26.244 */
3428 static int mov_write_loci_tag(AVFormatContext *s, AVIOContext *pb)
3431 int64_t pos = avio_tell(pb);
3432 double latitude, longitude, altitude;
3433 int32_t latitude_fix, longitude_fix, altitude_fix;
3434 AVDictionaryEntry *t = get_metadata_lang(s, "location", &lang);
3435 const char *ptr, *place = "";
3437 static const char *astronomical_body = "earth";
3442 longitude = strtod(ptr, &end);
3444 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3448 latitude = strtod(ptr, &end);
3450 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3454 altitude = strtod(ptr, &end);
3455 /* If no altitude was present, the default 0 should be fine */
3459 latitude_fix = (int32_t) ((1 << 16) * latitude);
3460 longitude_fix = (int32_t) ((1 << 16) * longitude);
3461 altitude_fix = (int32_t) ((1 << 16) * altitude);
3463 avio_wb32(pb, 0); /* size */
3464 ffio_wfourcc(pb, "loci"); /* type */
3465 avio_wb32(pb, 0); /* version + flags */
3466 avio_wb16(pb, lang);
3467 avio_write(pb, place, strlen(place) + 1);
3468 avio_w8(pb, 0); /* role of place (0 == shooting location, 1 == real location, 2 == fictional location) */
3469 avio_wb32(pb, latitude_fix);
3470 avio_wb32(pb, longitude_fix);
3471 avio_wb32(pb, altitude_fix);
3472 avio_write(pb, astronomical_body, strlen(astronomical_body) + 1);
3473 avio_w8(pb, 0); /* additional notes, null terminated string */
3475 return update_size(pb, pos);
3478 /* iTunes track or disc number */
3479 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
3480 AVFormatContext *s, int disc)
3482 AVDictionaryEntry *t = av_dict_get(s->metadata,
3483 disc ? "disc" : "track",
3485 int size = 0, track = t ? atoi(t->value) : 0;
3488 char *slash = strchr(t->value, '/');
3490 tracks = atoi(slash + 1);
3491 avio_wb32(pb, 32); /* size */
3492 ffio_wfourcc(pb, disc ? "disk" : "trkn");
3493 avio_wb32(pb, 24); /* size */
3494 ffio_wfourcc(pb, "data");
3495 avio_wb32(pb, 0); // 8 bytes empty
3497 avio_wb16(pb, 0); // empty
3498 avio_wb16(pb, track); // track / disc number
3499 avio_wb16(pb, tracks); // total track / disc number
3500 avio_wb16(pb, 0); // empty
3506 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
3507 const char *name, const char *tag,
3510 AVDictionaryEntry *t = NULL;
3512 int size = 24 + len;
3514 if (len != 1 && len != 4)
3517 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3519 num = atoi(t->value);
3521 avio_wb32(pb, size);
3522 ffio_wfourcc(pb, name);
3523 avio_wb32(pb, size - 8);
3524 ffio_wfourcc(pb, "data");
3525 avio_wb32(pb, 0x15);
3527 if (len==4) avio_wb32(pb, num);
3528 else avio_w8 (pb, num);
3533 static int mov_write_covr(AVIOContext *pb, AVFormatContext *s)
3535 MOVMuxContext *mov = s->priv_data;
3539 for (i = 0; i < s->nb_streams; i++) {
3540 MOVTrack *trk = &mov->tracks[i];
3542 if (!is_cover_image(trk->st) || trk->cover_image.size <= 0)
3546 pos = avio_tell(pb);
3548 ffio_wfourcc(pb, "covr");
3550 avio_wb32(pb, 16 + trk->cover_image.size);
3551 ffio_wfourcc(pb, "data");
3552 avio_wb32(pb, trk->tag);
3554 avio_write(pb, trk->cover_image.data, trk->cover_image.size);
3557 return pos ? update_size(pb, pos) : 0;
3560 /* iTunes meta data list */
3561 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3564 int64_t pos = avio_tell(pb);
3565 avio_wb32(pb, 0); /* size */
3566 ffio_wfourcc(pb, "ilst");
3567 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
3568 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
3569 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
3570 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
3571 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
3572 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
3573 if (!mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1)) {
3574 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3575 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
3577 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
3578 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
3579 mov_write_string_metadata(s, pb, "cprt", "copyright", 1);
3580 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
3581 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
3582 mov_write_string_metadata(s, pb, "desc", "description",1);
3583 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
3584 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
3585 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
3586 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
3587 mov_write_string_metadata(s, pb, "keyw", "keywords" , 1);
3588 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
3589 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
3590 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
3591 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
3592 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
3593 mov_write_int8_metadata (s, pb, "cpil", "compilation", 1);
3594 mov_write_covr(pb, s);
3595 mov_write_trkn_tag(pb, mov, s, 0); // track number
3596 mov_write_trkn_tag(pb, mov, s, 1); // disc number
3597 mov_write_tmpo_tag(pb, s);
3598 return update_size(pb, pos);
3601 static int mov_write_mdta_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3604 avio_wb32(pb, 33); /* size */
3605 ffio_wfourcc(pb, "hdlr");
3608 ffio_wfourcc(pb, "mdta");
3616 static int mov_write_mdta_keys_tag(AVIOContext *pb, MOVMuxContext *mov,
3619 AVDictionaryEntry *t = NULL;
3620 int64_t pos = avio_tell(pb);
3621 int64_t curpos, entry_pos;
3624 avio_wb32(pb, 0); /* size */
3625 ffio_wfourcc(pb, "keys");
3627 entry_pos = avio_tell(pb);
3628 avio_wb32(pb, 0); /* entry count */
3630 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3631 avio_wb32(pb, strlen(t->key) + 8);
3632 ffio_wfourcc(pb, "mdta");
3633 avio_write(pb, t->key, strlen(t->key));
3636 curpos = avio_tell(pb);
3637 avio_seek(pb, entry_pos, SEEK_SET);
3638 avio_wb32(pb, count); // rewrite entry count
3639 avio_seek(pb, curpos, SEEK_SET);
3641 return update_size(pb, pos);
3644 static int mov_write_mdta_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3647 AVDictionaryEntry *t = NULL;
3648 int64_t pos = avio_tell(pb);
3649 int count = 1; /* keys are 1-index based */
3651 avio_wb32(pb, 0); /* size */
3652 ffio_wfourcc(pb, "ilst");
3654 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3655 int64_t entry_pos = avio_tell(pb);
3656 avio_wb32(pb, 0); /* size */
3657 avio_wb32(pb, count); /* key */
3658 mov_write_string_data_tag(pb, t->value, 0, 1);
3659 update_size(pb, entry_pos);
3662 return update_size(pb, pos);
3665 /* meta data tags */
3666 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
3670 int64_t pos = avio_tell(pb);
3671 avio_wb32(pb, 0); /* size */
3672 ffio_wfourcc(pb, "meta");
3674 if (mov->flags & FF_MOV_FLAG_USE_MDTA) {
3675 mov_write_mdta_hdlr_tag(pb, mov, s);
3676 mov_write_mdta_keys_tag(pb, mov, s);
3677 mov_write_mdta_ilst_tag(pb, mov, s);
3680 /* iTunes metadata tag */
3681 mov_write_itunes_hdlr_tag(pb, mov, s);
3682 mov_write_ilst_tag(pb, mov, s);
3684 size = update_size(pb, pos);
3688 static int mov_write_raw_metadata_tag(AVFormatContext *s, AVIOContext *pb,
3689 const char *name, const char *key)
3692 AVDictionaryEntry *t;
3694 if (!(t = av_dict_get(s->metadata, key, NULL, 0)))
3697 len = strlen(t->value);
3700 avio_wb32(pb, size);
3701 ffio_wfourcc(pb, name);
3702 avio_write(pb, t->value, len);
3708 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
3712 GET_UTF8(val, *b++, return -1;)
3715 avio_wb16(pb, 0x00);
3719 static uint16_t language_code(const char *str)
3721 return (((str[0] - 0x60) & 0x1F) << 10) +
3722 (((str[1] - 0x60) & 0x1F) << 5) +
3723 (( str[2] - 0x60) & 0x1F);
3726 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
3727 const char *tag, const char *str)
3729 int64_t pos = avio_tell(pb);
3730 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
3731 if (!t || !utf8len(t->value))
3733 avio_wb32(pb, 0); /* size */
3734 ffio_wfourcc(pb, tag); /* type */
3735 avio_wb32(pb, 0); /* version + flags */
3736 if (!strcmp(tag, "yrrc"))
3737 avio_wb16(pb, atoi(t->value));
3739 avio_wb16(pb, language_code("eng")); /* language */
3740 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
3741 if (!strcmp(tag, "albm") &&
3742 (t = av_dict_get(s->metadata, "track", NULL, 0)))
3743 avio_w8(pb, atoi(t->value));
3745 return update_size(pb, pos);
3748 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
3750 int64_t pos = avio_tell(pb);
3751 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
3753 avio_wb32(pb, 0); // size
3754 ffio_wfourcc(pb, "chpl");
3755 avio_wb32(pb, 0x01000000); // version + flags
3756 avio_wb32(pb, 0); // unknown
3757 avio_w8(pb, nb_chapters);
3759 for (i = 0; i < nb_chapters; i++) {
3760 AVChapter *c = s->chapters[i];
3761 AVDictionaryEntry *t;
3762 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
3764 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3765 int len = FFMIN(strlen(t->value), 255);
3767 avio_write(pb, t->value, len);
3771 return update_size(pb, pos);
3774 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3777 AVIOContext *pb_buf;
3781 ret = avio_open_dyn_buf(&pb_buf);
3785 if (mov->mode & MODE_3GP) {
3786 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
3787 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
3788 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
3789 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
3790 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
3791 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
3792 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
3793 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
3794 mov_write_loci_tag(s, pb_buf);
3795 } 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
3796 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
3797 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
3798 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
3799 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
3800 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
3801 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
3802 // currently ignored by mov.c
3803 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
3804 // add support for libquicktime, this atom is also actually read by mov.c
3805 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
3806 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
3807 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
3808 mov_write_string_metadata(s, pb_buf, "\251mak", "make", 0);
3809 mov_write_string_metadata(s, pb_buf, "\251mod", "model", 0);
3810 mov_write_string_metadata(s, pb_buf, "\251xyz", "location", 0);
3811 mov_write_string_metadata(s, pb_buf, "\251key", "keywords", 0);
3812 mov_write_raw_metadata_tag(s, pb_buf, "XMP_", "xmp");
3814 /* iTunes meta data */
3815 mov_write_meta_tag(pb_buf, mov, s);
3816 mov_write_loci_tag(s, pb_buf);
3819 if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
3820 mov_write_chpl_tag(pb_buf, s);
3822 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
3823 avio_wb32(pb, size + 8);
3824 ffio_wfourcc(pb, "udta");
3825 avio_write(pb, buf, size);
3832 static void mov_write_psp_udta_tag(AVIOContext *pb,
3833 const char *str, const char *lang, int type)
3835 int len = utf8len(str) + 1;
3838 avio_wb16(pb, len * 2 + 10); /* size */
3839 avio_wb32(pb, type); /* type */
3840 avio_wb16(pb, language_code(lang)); /* language */
3841 avio_wb16(pb, 0x01); /* ? */
3842 ascii_to_wc(pb, str);
3845 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
3847 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
3851 pos = avio_tell(pb);
3852 avio_wb32(pb, 0); /* size placeholder*/
3853 ffio_wfourcc(pb, "uuid");
3854 ffio_wfourcc(pb, "USMT");
3855 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
3856 avio_wb32(pb, 0xbb88695c);
3857 avio_wb32(pb, 0xfac9c740);
3859 pos2 = avio_tell(pb);
3860 avio_wb32(pb, 0); /* size placeholder*/
3861 ffio_wfourcc(pb, "MTDT");
3865 avio_wb16(pb, 0x0C); /* size */
3866 avio_wb32(pb, 0x0B); /* type */
3867 avio_wb16(pb, language_code("und")); /* language */
3868 avio_wb16(pb, 0x0); /* ? */
3869 avio_wb16(pb, 0x021C); /* data */
3871 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3872 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
3873 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
3874 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
3876 update_size(pb, pos2);
3877 return update_size(pb, pos);
3883 static void build_chunks(MOVTrack *trk)
3886 MOVIentry *chunk = &trk->cluster[0];
3887 uint64_t chunkSize = chunk->size;
3888 chunk->chunkNum = 1;
3889 if (trk->chunkCount)
3891 trk->chunkCount = 1;
3892 for (i = 1; i<trk->entry; i++){
3893 if (chunk->pos + chunkSize == trk->cluster[i].pos &&
3894 chunkSize + trk->cluster[i].size < (1<<20)){
3895 chunkSize += trk->cluster[i].size;
3896 chunk->samples_in_chunk += trk->cluster[i].entries;
3898 trk->cluster[i].chunkNum = chunk->chunkNum+1;
3899 chunk=&trk->cluster[i];
3900 chunkSize = chunk->size;
3907 * Assign track ids. If option "use_stream_ids_as_track_ids" is set,
3908 * the stream ids are used as track ids.
3910 * This assumes mov->tracks and s->streams are in the same order and
3911 * there are no gaps in either of them (so mov->tracks[n] refers to
3914 * As an exception, there can be more entries in
3915 * s->streams than in mov->tracks, in which case new track ids are
3916 * generated (starting after the largest found stream id).
3918 static int mov_setup_track_ids(MOVMuxContext *mov, AVFormatContext *s)
3922 if (mov->track_ids_ok)
3925 if (mov->use_stream_ids_as_track_ids) {
3926 int next_generated_track_id = 0;
3927 for (i = 0; i < s->nb_streams; i++) {
3928 if (s->streams[i]->id > next_generated_track_id)
3929 next_generated_track_id = s->streams[i]->id;
3932 for (i = 0; i < mov->nb_streams; i++) {
3933 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3936 mov->tracks[i].track_id = i >= s->nb_streams ? ++next_generated_track_id : s->streams[i]->id;
3939 for (i = 0; i < mov->nb_streams; i++) {
3940 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3943 mov->tracks[i].track_id = i + 1;
3947 mov->track_ids_ok = 1;
3952 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
3956 int64_t pos = avio_tell(pb);
3957 avio_wb32(pb, 0); /* size placeholder*/
3958 ffio_wfourcc(pb, "moov");
3960 mov_setup_track_ids(mov, s);
3962 for (i = 0; i < mov->nb_streams; i++) {
3963 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3966 mov->tracks[i].time = mov->time;
3968 if (mov->tracks[i].entry)
3969 build_chunks(&mov->tracks[i]);
3972 if (mov->chapter_track)
3973 for (i = 0; i < s->nb_streams; i++) {
3974 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
3975 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
3977 for (i = 0; i < mov->nb_streams; i++) {
3978 MOVTrack *track = &mov->tracks[i];
3979 if (track->tag == MKTAG('r','t','p',' ')) {
3980 track->tref_tag = MKTAG('h','i','n','t');
3981 track->tref_id = mov->tracks[track->src_track].track_id;
3982 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
3983 int * fallback, size;
3984 fallback = (int*)av_stream_get_side_data(track->st,
3985 AV_PKT_DATA_FALLBACK_TRACK,
3987 if (fallback != NULL && size == sizeof(int)) {
3988 if (*fallback >= 0 && *fallback < mov->nb_streams) {
3989 track->tref_tag = MKTAG('f','a','l','l');
3990 track->tref_id = mov->tracks[*fallback].track_id;
3995 for (i = 0; i < mov->nb_streams; i++) {
3996 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
3997 int src_trk = mov->tracks[i].src_track;
3998 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
3999 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
4000 //src_trk may have a different timescale than the tmcd track
4001 mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration,
4002 mov->tracks[i].timescale,
4003 mov->tracks[src_trk].timescale);
4007 mov_write_mvhd_tag(pb, mov);
4008 if (mov->mode != MODE_MOV && !mov->iods_skip)
4009 mov_write_iods_tag(pb, mov);
4010 for (i = 0; i < mov->nb_streams; i++) {
4011 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
4012 int ret = mov_write_trak_tag(s, pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
4017 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
4018 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
4020 if (mov->mode == MODE_PSP)
4021 mov_write_uuidusmt_tag(pb, s);
4023 mov_write_udta_tag(pb, mov, s);
4025 return update_size(pb, pos);
4028 static void param_write_int(AVIOContext *pb, const char *name, int value)
4030 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
4033 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
4035 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
4038 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
4041 len = FFMIN(sizeof(buf) / 2 - 1, len);
4042 ff_data_to_hex(buf, value, len, 0);
4043 buf[2 * len] = '\0';
4044 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
4047 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
4049 int64_t pos = avio_tell(pb);
4051 int64_t manifest_bit_rate = 0;
4052 AVCPBProperties *props = NULL;
4054 static const uint8_t uuid[] = {
4055 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
4056 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
4060 ffio_wfourcc(pb, "uuid");
4061 avio_write(pb, uuid, sizeof(uuid));
4064 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
4065 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
4066 avio_printf(pb, "<head>\n");
4067 if (!(mov->fc->flags & AVFMT_FLAG_BITEXACT))
4068 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
4070 avio_printf(pb, "</head>\n");
4071 avio_printf(pb, "<body>\n");
4072 avio_printf(pb, "<switch>\n");
4074 mov_setup_track_ids(mov, s);
4076 for (i = 0; i < mov->nb_streams; i++) {
4077 MOVTrack *track = &mov->tracks[i];
4079 int track_id = track->track_id;
4080 char track_name_buf[32] = { 0 };
4082 AVStream *st = track->st;
4083 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
4085 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO && !is_cover_image(st)) {
4087 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
4093 props = (AVCPBProperties*)av_stream_get_side_data(track->st, AV_PKT_DATA_CPB_PROPERTIES, NULL);
4095 if (track->par->bit_rate) {
4096 manifest_bit_rate = track->par->bit_rate;
4098 manifest_bit_rate = props->max_bitrate;
4101 avio_printf(pb, "<%s systemBitrate=\"%"PRId64"\">\n", type,
4103 param_write_int(pb, "systemBitrate", manifest_bit_rate);
4104 param_write_int(pb, "trackID", track_id);
4105 param_write_string(pb, "systemLanguage", lang ? lang->value : "und");
4107 /* Build track name piece by piece: */
4109 av_strlcat(track_name_buf, type, sizeof(track_name_buf));
4110 /* 2. track language, if available */
4112 av_strlcatf(track_name_buf, sizeof(track_name_buf),
4113 "_%s", lang->value);
4114 /* 3. special type suffix */
4115 /* "_cc" = closed captions, "_ad" = audio_description */
4116 if (st->disposition & AV_DISPOSITION_HEARING_IMPAIRED)
4117 av_strlcat(track_name_buf, "_cc", sizeof(track_name_buf));
4118 else if (st->disposition & AV_DISPOSITION_VISUAL_IMPAIRED)
4119 av_strlcat(track_name_buf, "_ad", sizeof(track_name_buf));
4121 param_write_string(pb, "trackName", track_name_buf);
4123 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
4124 if (track->par->codec_id == AV_CODEC_ID_H264) {
4126 int size = track->par->extradata_size;
4127 if (!ff_avc_write_annexb_extradata(track->par->extradata, &ptr,
4129 param_write_hex(pb, "CodecPrivateData",
4130 ptr ? ptr : track->par->extradata,
4134 param_write_string(pb, "FourCC", "H264");
4135 } else if (track->par->codec_id == AV_CODEC_ID_VC1) {
4136 param_write_string(pb, "FourCC", "WVC1");
4137 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
4138 track->par->extradata_size);
4140 param_write_int(pb, "MaxWidth", track->par->width);
4141 param_write_int(pb, "MaxHeight", track->par->height);
4142 param_write_int(pb, "DisplayWidth", track->par->width);
4143 param_write_int(pb, "DisplayHeight", track->par->height);
4145 if (track->par->codec_id == AV_CODEC_ID_AAC) {
4146 switch (track->par->profile)
4148 case FF_PROFILE_AAC_HE_V2:
4149 param_write_string(pb, "FourCC", "AACP");
4151 case FF_PROFILE_AAC_HE:
4152 param_write_string(pb, "FourCC", "AACH");
4155 param_write_string(pb, "FourCC", "AACL");
4157 } else if (track->par->codec_id == AV_CODEC_ID_WMAPRO) {
4158 param_write_string(pb, "FourCC", "WMAP");
4160 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
4161 track->par->extradata_size);
4162 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
4163 track->par->codec_id));
4164 param_write_int(pb, "Channels", track->par->channels);
4165 param_write_int(pb, "SamplingRate", track->par->sample_rate);
4166 param_write_int(pb, "BitsPerSample", 16);
4167 param_write_int(pb, "PacketSize", track->par->block_align ?
4168 track->par->block_align : 4);
4170 avio_printf(pb, "</%s>\n", type);
4172 avio_printf(pb, "</switch>\n");
4173 avio_printf(pb, "</body>\n");
4174 avio_printf(pb, "</smil>\n");
4176 return update_size(pb, pos);
4179 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
4182 ffio_wfourcc(pb, "mfhd");
4184 avio_wb32(pb, mov->fragments);
4188 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
4190 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
4191 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
4194 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
4195 MOVTrack *track, int64_t moof_offset)
4197 int64_t pos = avio_tell(pb);
4198 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
4199 MOV_TFHD_BASE_DATA_OFFSET;
4200 if (!track->entry) {
4201 flags |= MOV_TFHD_DURATION_IS_EMPTY;
4203 flags |= MOV_TFHD_DEFAULT_FLAGS;
4205 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
4206 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
4207 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) {
4208 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
4209 flags |= MOV_TFHD_DEFAULT_BASE_IS_MOOF;
4212 /* Don't set a default sample size, the silverlight player refuses
4213 * to play files with that set. Don't set a default sample duration,
4214 * WMP freaks out if it is set. Don't set a base data offset, PIFF
4215 * file format says it MUST NOT be set. */
4216 if (track->mode == MODE_ISM)
4217 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
4218 MOV_TFHD_BASE_DATA_OFFSET);
4220 avio_wb32(pb, 0); /* size placeholder */
4221 ffio_wfourcc(pb, "tfhd");
4222 avio_w8(pb, 0); /* version */
4223 avio_wb24(pb, flags);
4225 avio_wb32(pb, track->track_id); /* track-id */
4226 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
4227 avio_wb64(pb, moof_offset);
4228 if (flags & MOV_TFHD_DEFAULT_DURATION) {
4229 track->default_duration = get_cluster_duration(track, 0);
4230 avio_wb32(pb, track->default_duration);
4232 if (flags & MOV_TFHD_DEFAULT_SIZE) {
4233 track->default_size = track->entry ? track->cluster[0].size : 1;
4234 avio_wb32(pb, track->default_size);
4236 track->default_size = -1;
4238 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
4239 /* Set the default flags based on the second sample, if available.
4240 * If the first sample is different, that can be signaled via a separate field. */
4241 if (track->entry > 1)
4242 track->default_sample_flags = get_sample_flags(track, &track->cluster[1]);
4244 track->default_sample_flags =
4245 track->par->codec_type == AVMEDIA_TYPE_VIDEO ?
4246 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
4247 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
4248 avio_wb32(pb, track->default_sample_flags);
4251 return update_size(pb, pos);
4254 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
4255 MOVTrack *track, int moof_size,
4258 int64_t pos = avio_tell(pb);
4259 uint32_t flags = MOV_TRUN_DATA_OFFSET;
4262 for (i = first; i < end; i++) {
4263 if (get_cluster_duration(track, i) != track->default_duration)
4264 flags |= MOV_TRUN_SAMPLE_DURATION;
4265 if (track->cluster[i].size != track->default_size)
4266 flags |= MOV_TRUN_SAMPLE_SIZE;
4267 if (i > first && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
4268 flags |= MOV_TRUN_SAMPLE_FLAGS;
4270 if (!(flags & MOV_TRUN_SAMPLE_FLAGS) && track->entry > 0 &&
4271 get_sample_flags(track, &track->cluster[0]) != track->default_sample_flags)
4272 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
4273 if (track->flags & MOV_TRACK_CTTS)
4274 flags |= MOV_TRUN_SAMPLE_CTS;
4276 avio_wb32(pb, 0); /* size placeholder */
4277 ffio_wfourcc(pb, "trun");
4278 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4279 avio_w8(pb, 1); /* version */
4281 avio_w8(pb, 0); /* version */
4282 avio_wb24(pb, flags);
4284 avio_wb32(pb, end - first); /* sample count */
4285 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
4286 !(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) &&
4288 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
4290 avio_wb32(pb, moof_size + 8 + track->data_offset +
4291 track->cluster[first].pos); /* data offset */
4292 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
4293 avio_wb32(pb, get_sample_flags(track, &track->cluster[first]));
4295 for (i = first; i < end; i++) {
4296 if (flags & MOV_TRUN_SAMPLE_DURATION)
4297 avio_wb32(pb, get_cluster_duration(track, i));
4298 if (flags & MOV_TRUN_SAMPLE_SIZE)
4299 avio_wb32(pb, track->cluster[i].size);
4300 if (flags & MOV_TRUN_SAMPLE_FLAGS)
4301 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
4302 if (flags & MOV_TRUN_SAMPLE_CTS)
4303 avio_wb32(pb, track->cluster[i].cts);
4306 mov->first_trun = 0;
4307 return update_size(pb, pos);
4310 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
4312 int64_t pos = avio_tell(pb);
4313 static const uint8_t uuid[] = {
4314 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
4315 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
4318 avio_wb32(pb, 0); /* size placeholder */
4319 ffio_wfourcc(pb, "uuid");
4320 avio_write(pb, uuid, sizeof(uuid));
4323 avio_wb64(pb, track->start_dts + track->frag_start +
4324 track->cluster[0].cts);
4325 avio_wb64(pb, track->end_pts -
4326 (track->cluster[0].dts + track->cluster[0].cts));
4328 return update_size(pb, pos);
4331 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
4332 MOVTrack *track, int entry)
4334 int n = track->nb_frag_info - 1 - entry, i;
4335 int size = 8 + 16 + 4 + 1 + 16*n;
4336 static const uint8_t uuid[] = {
4337 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
4338 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
4344 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
4345 avio_wb32(pb, size);
4346 ffio_wfourcc(pb, "uuid");
4347 avio_write(pb, uuid, sizeof(uuid));
4351 for (i = 0; i < n; i++) {
4352 int index = entry + 1 + i;
4353 avio_wb64(pb, track->frag_info[index].time);
4354 avio_wb64(pb, track->frag_info[index].duration);
4356 if (n < mov->ism_lookahead) {
4357 int free_size = 16 * (mov->ism_lookahead - n);
4358 avio_wb32(pb, free_size);
4359 ffio_wfourcc(pb, "free");
4360 ffio_fill(pb, 0, free_size - 8);
4366 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
4369 int64_t pos = avio_tell(pb);
4371 for (i = 0; i < mov->ism_lookahead; i++) {
4372 /* Update the tfrf tag for the last ism_lookahead fragments,
4373 * nb_frag_info - 1 is the next fragment to be written. */
4374 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
4376 avio_seek(pb, pos, SEEK_SET);
4380 static int mov_add_tfra_entries(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4384 for (i = 0; i < mov->nb_streams; i++) {
4385 MOVTrack *track = &mov->tracks[i];
4386 MOVFragmentInfo *info;
4387 if ((tracks >= 0 && i != tracks) || !track->entry)
4389 track->nb_frag_info++;
4390 if (track->nb_frag_info >= track->frag_info_capacity) {
4391 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
4392 if (av_reallocp_array(&track->frag_info,
4394 sizeof(*track->frag_info)))
4395 return AVERROR(ENOMEM);
4396 track->frag_info_capacity = new_capacity;
4398 info = &track->frag_info[track->nb_frag_info - 1];
4399 info->offset = avio_tell(pb);
4401 // Try to recreate the original pts for the first packet
4402 // from the fields we have stored
4403 info->time = track->start_dts + track->frag_start +
4404 track->cluster[0].cts;
4405 info->duration = track->end_pts -
4406 (track->cluster[0].dts + track->cluster[0].cts);
4407 // If the pts is less than zero, we will have trimmed
4408 // away parts of the media track using an edit list,
4409 // and the corresponding start presentation time is zero.
4410 if (info->time < 0) {
4411 info->duration += info->time;
4414 info->tfrf_offset = 0;
4415 mov_write_tfrf_tags(pb, mov, track);
4420 static void mov_prune_frag_info(MOVMuxContext *mov, int tracks, int max)
4423 for (i = 0; i < mov->nb_streams; i++) {
4424 MOVTrack *track = &mov->tracks[i];
4425 if ((tracks >= 0 && i != tracks) || !track->entry)
4427 if (track->nb_frag_info > max) {
4428 memmove(track->frag_info, track->frag_info + (track->nb_frag_info - max), max * sizeof(*track->frag_info));
4429 track->nb_frag_info = max;
4434 static int mov_write_tfdt_tag(AVIOContext *pb, MOVTrack *track)
4436 int64_t pos = avio_tell(pb);
4438 avio_wb32(pb, 0); /* size */
4439 ffio_wfourcc(pb, "tfdt");
4440 avio_w8(pb, 1); /* version */
4442 avio_wb64(pb, track->frag_start);
4443 return update_size(pb, pos);
4446 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
4447 MOVTrack *track, int64_t moof_offset,
4450 int64_t pos = avio_tell(pb);
4452 avio_wb32(pb, 0); /* size placeholder */
4453 ffio_wfourcc(pb, "traf");
4455 mov_write_tfhd_tag(pb, mov, track, moof_offset);
4456 if (mov->mode != MODE_ISM)
4457 mov_write_tfdt_tag(pb, track);
4458 for (i = 1; i < track->entry; i++) {
4459 if (track->cluster[i].pos != track->cluster[i - 1].pos + track->cluster[i - 1].size) {
4460 mov_write_trun_tag(pb, mov, track, moof_size, start, i);
4464 mov_write_trun_tag(pb, mov, track, moof_size, start, track->entry);
4465 if (mov->mode == MODE_ISM) {
4466 mov_write_tfxd_tag(pb, track);
4468 if (mov->ism_lookahead) {
4469 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
4471 if (track->nb_frag_info > 0) {
4472 MOVFragmentInfo *info = &track->frag_info[track->nb_frag_info - 1];
4473 if (!info->tfrf_offset)
4474 info->tfrf_offset = avio_tell(pb);
4476 avio_wb32(pb, 8 + size);
4477 ffio_wfourcc(pb, "free");
4478 for (i = 0; i < size; i++)
4483 return update_size(pb, pos);
4486 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
4487 int tracks, int moof_size)
4489 int64_t pos = avio_tell(pb);
4492 avio_wb32(pb, 0); /* size placeholder */
4493 ffio_wfourcc(pb, "moof");
4494 mov->first_trun = 1;
4496 mov_write_mfhd_tag(pb, mov);
4497 for (i = 0; i < mov->nb_streams; i++) {
4498 MOVTrack *track = &mov->tracks[i];
4499 if (tracks >= 0 && i != tracks)
4503 mov_write_traf_tag(pb, mov, track, pos, moof_size);
4506 return update_size(pb, pos);
4509 static int mov_write_sidx_tag(AVIOContext *pb,
4510 MOVTrack *track, int ref_size, int total_sidx_size)
4512 int64_t pos = avio_tell(pb), offset_pos, end_pos;
4513 int64_t presentation_time, duration, offset;
4514 int starts_with_SAP, i, entries;
4518 presentation_time = track->start_dts + track->frag_start +
4519 track->cluster[0].cts;
4520 duration = track->end_pts -
4521 (track->cluster[0].dts + track->cluster[0].cts);
4522 starts_with_SAP = track->cluster[0].flags & MOV_SYNC_SAMPLE;
4524 // pts<0 should be cut away using edts
4525 if (presentation_time < 0) {
4526 duration += presentation_time;
4527 presentation_time = 0;
4530 entries = track->nb_frag_info;
4533 presentation_time = track->frag_info[0].time;
4536 avio_wb32(pb, 0); /* size */
4537 ffio_wfourcc(pb, "sidx");
4538 avio_w8(pb, 1); /* version */
4540 avio_wb32(pb, track->track_id); /* reference_ID */
4541 avio_wb32(pb, track->timescale); /* timescale */
4542 avio_wb64(pb, presentation_time); /* earliest_presentation_time */
4543 offset_pos = avio_tell(pb);
4544 avio_wb64(pb, 0); /* first_offset (offset to referenced moof) */
4545 avio_wb16(pb, 0); /* reserved */
4547 avio_wb16(pb, entries); /* reference_count */
4548 for (i = 0; i < entries; i++) {
4549 if (!track->entry) {
4550 if (i > 1 && track->frag_info[i].offset != track->frag_info[i - 1].offset + track->frag_info[i - 1].size) {
4551 av_log(NULL, AV_LOG_ERROR, "Non-consecutive fragments, writing incorrect sidx\n");
4553 duration = track->frag_info[i].duration;
4554 ref_size = track->frag_info[i].size;
4555 starts_with_SAP = 1;
4557 avio_wb32(pb, (0 << 31) | (ref_size & 0x7fffffff)); /* reference_type (0 = media) | referenced_size */
4558 avio_wb32(pb, duration); /* subsegment_duration */
4559 avio_wb32(pb, (starts_with_SAP << 31) | (0 << 28) | 0); /* starts_with_SAP | SAP_type | SAP_delta_time */
4562 end_pos = avio_tell(pb);
4563 offset = pos + total_sidx_size - end_pos;
4564 avio_seek(pb, offset_pos, SEEK_SET);
4565 avio_wb64(pb, offset);
4566 avio_seek(pb, end_pos, SEEK_SET);
4567 return update_size(pb, pos);
4570 static int mov_write_sidx_tags(AVIOContext *pb, MOVMuxContext *mov,
4571 int tracks, int ref_size)
4574 AVIOContext *avio_buf;
4576 for (round = 0; round < 2; round++) {
4577 // First run one round to calculate the total size of all
4579 // This would be much simpler if we'd only write one sidx
4580 // atom, for the first track in the moof.
4582 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4587 for (i = 0; i < mov->nb_streams; i++) {
4588 MOVTrack *track = &mov->tracks[i];
4589 if (tracks >= 0 && i != tracks)
4591 // When writing a sidx for the full file, entry is 0, but
4592 // we want to include all tracks. ref_size is 0 in this case,
4593 // since we read it from frag_info instead.
4594 if (!track->entry && ref_size > 0)
4596 total_size -= mov_write_sidx_tag(avio_buf, track, ref_size,
4600 total_size = ffio_close_null_buf(avio_buf);
4605 static int mov_write_prft_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
4607 int64_t pos = avio_tell(pb), pts_us, ntp_ts;
4608 MOVTrack *first_track;
4610 /* PRFT should be associated with at most one track. So, choosing only the
4614 first_track = &(mov->tracks[0]);
4616 if (!first_track->entry) {
4617 av_log(mov->fc, AV_LOG_WARNING, "Unable to write PRFT, no entries in the track\n");
4621 if (first_track->cluster[0].pts == AV_NOPTS_VALUE) {
4622 av_log(mov->fc, AV_LOG_WARNING, "Unable to write PRFT, first PTS is invalid\n");
4626 if (mov->write_prft == MOV_PRFT_SRC_WALLCLOCK) {
4627 ntp_ts = ff_get_formatted_ntp_time(ff_ntp_time());
4628 } else if (mov->write_prft == MOV_PRFT_SRC_PTS) {
4629 pts_us = av_rescale_q(first_track->cluster[0].pts,
4630 first_track->st->time_base, AV_TIME_BASE_Q);
4631 ntp_ts = ff_get_formatted_ntp_time(pts_us + NTP_OFFSET_US);
4633 av_log(mov->fc, AV_LOG_WARNING, "Unsupported PRFT box configuration: %d\n",
4638 avio_wb32(pb, 0); // Size place holder
4639 ffio_wfourcc(pb, "prft"); // Type
4640 avio_w8(pb, 1); // Version
4641 avio_wb24(pb, 0); // Flags
4642 avio_wb32(pb, first_track->track_id); // reference track ID
4643 avio_wb64(pb, ntp_ts); // NTP time stamp
4644 avio_wb64(pb, first_track->cluster[0].pts); //media time
4645 return update_size(pb, pos);
4648 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4651 AVIOContext *avio_buf;
4654 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4656 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
4657 moof_size = ffio_close_null_buf(avio_buf);
4659 if (mov->flags & FF_MOV_FLAG_DASH &&
4660 !(mov->flags & (FF_MOV_FLAG_GLOBAL_SIDX | FF_MOV_FLAG_SKIP_SIDX)))
4661 mov_write_sidx_tags(pb, mov, tracks, moof_size + 8 + mdat_size);
4663 if (mov->write_prft > MOV_PRFT_NONE && mov->write_prft < MOV_PRFT_NB)
4664 mov_write_prft_tag(pb, mov, tracks);
4666 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX ||
4667 !(mov->flags & FF_MOV_FLAG_SKIP_TRAILER) ||
4668 mov->ism_lookahead) {
4669 if ((ret = mov_add_tfra_entries(pb, mov, tracks, moof_size + 8 + mdat_size)) < 0)
4671 if (!(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) &&
4672 mov->flags & FF_MOV_FLAG_SKIP_TRAILER) {
4673 mov_prune_frag_info(mov, tracks, mov->ism_lookahead + 1);
4677 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
4680 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
4682 int64_t pos = avio_tell(pb);
4685 avio_wb32(pb, 0); /* size placeholder */
4686 ffio_wfourcc(pb, "tfra");
4687 avio_w8(pb, 1); /* version */
4690 avio_wb32(pb, track->track_id);
4691 avio_wb32(pb, 0); /* length of traf/trun/sample num */
4692 avio_wb32(pb, track->nb_frag_info);
4693 for (i = 0; i < track->nb_frag_info; i++) {
4694 avio_wb64(pb, track->frag_info[i].time);
4695 avio_wb64(pb, track->frag_info[i].offset + track->data_offset);
4696 avio_w8(pb, 1); /* traf number */
4697 avio_w8(pb, 1); /* trun number */
4698 avio_w8(pb, 1); /* sample number */
4701 return update_size(pb, pos);
4704 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
4706 int64_t pos = avio_tell(pb);
4709 avio_wb32(pb, 0); /* size placeholder */
4710 ffio_wfourcc(pb, "mfra");
4711 /* An empty mfra atom is enough to indicate to the publishing point that
4712 * the stream has ended. */
4713 if (mov->flags & FF_MOV_FLAG_ISML)
4714 return update_size(pb, pos);
4716 for (i = 0; i < mov->nb_streams; i++) {
4717 MOVTrack *track = &mov->tracks[i];
4718 if (track->nb_frag_info)
4719 mov_write_tfra_tag(pb, track);
4723 ffio_wfourcc(pb, "mfro");
4724 avio_wb32(pb, 0); /* version + flags */
4725 avio_wb32(pb, avio_tell(pb) + 4 - pos);
4727 return update_size(pb, pos);
4730 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
4732 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
4733 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
4735 mov->mdat_pos = avio_tell(pb);
4736 avio_wb32(pb, 0); /* size placeholder*/
4737 ffio_wfourcc(pb, "mdat");
4741 /* TODO: This needs to be more general */
4742 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
4744 MOVMuxContext *mov = s->priv_data;
4745 int64_t pos = avio_tell(pb);
4746 int has_h264 = 0, has_video = 0;
4750 for (i = 0; i < s->nb_streams; i++) {
4751 AVStream *st = s->streams[i];
4752 if (is_cover_image(st))
4754 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
4756 if (st->codecpar->codec_id == AV_CODEC_ID_H264)
4760 avio_wb32(pb, 0); /* size */
4761 ffio_wfourcc(pb, "ftyp");
4763 if (mov->major_brand && strlen(mov->major_brand) >= 4)
4764 ffio_wfourcc(pb, mov->major_brand);
4765 else if (mov->mode == MODE_3GP) {
4766 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
4767 minor = has_h264 ? 0x100 : 0x200;
4768 } else if (mov->mode & MODE_3G2) {
4769 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
4770 minor = has_h264 ? 0x20000 : 0x10000;
4771 } else if (mov->mode == MODE_PSP)
4772 ffio_wfourcc(pb, "MSNV");
4773 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
4774 ffio_wfourcc(pb, "iso5"); // Required when using default-base-is-moof
4775 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4776 ffio_wfourcc(pb, "iso4");
4777 else if (mov->mode == MODE_MP4)
4778 ffio_wfourcc(pb, "isom");
4779 else if (mov->mode == MODE_IPOD)
4780 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
4781 else if (mov->mode == MODE_ISM)
4782 ffio_wfourcc(pb, "isml");
4783 else if (mov->mode == MODE_F4V)
4784 ffio_wfourcc(pb, "f4v ");
4786 ffio_wfourcc(pb, "qt ");
4788 avio_wb32(pb, minor);
4790 if (mov->mode == MODE_MOV)
4791 ffio_wfourcc(pb, "qt ");
4792 else if (mov->mode == MODE_ISM) {
4793 ffio_wfourcc(pb, "piff");
4794 } else if (!(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)) {
4795 ffio_wfourcc(pb, "isom");
4796 ffio_wfourcc(pb, "iso2");
4798 ffio_wfourcc(pb, "avc1");
4801 // We add tfdt atoms when fragmenting, signal this with the iso6 compatible
4802 // brand. This is compatible with users that don't understand tfdt.
4803 if (mov->flags & FF_MOV_FLAG_FRAGMENT && mov->mode != MODE_ISM)
4804 ffio_wfourcc(pb, "iso6");
4806 if (mov->mode == MODE_3GP)
4807 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
4808 else if (mov->mode & MODE_3G2)
4809 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
4810 else if (mov->mode == MODE_PSP)
4811 ffio_wfourcc(pb, "MSNV");
4812 else if (mov->mode == MODE_MP4)
4813 ffio_wfourcc(pb, "mp41");
4815 if (mov->flags & FF_MOV_FLAG_DASH && mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
4816 ffio_wfourcc(pb, "dash");
4818 return update_size(pb, pos);
4821 static int mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
4823 AVStream *video_st = s->streams[0];
4824 AVCodecParameters *video_par = s->streams[0]->codecpar;
4825 AVCodecParameters *audio_par = s->streams[1]->codecpar;
4826 int audio_rate = audio_par->sample_rate;
4827 int64_t frame_rate = video_st->avg_frame_rate.den ?
4828 (video_st->avg_frame_rate.num * 0x10000LL) / video_st->avg_frame_rate.den :
4830 int audio_kbitrate = audio_par->bit_rate / 1000;
4831 int video_kbitrate = FFMIN(video_par->bit_rate / 1000, 800 - audio_kbitrate);
4833 if (frame_rate < 0 || frame_rate > INT32_MAX) {
4834 av_log(s, AV_LOG_ERROR, "Frame rate %f outside supported range\n", frame_rate / (double)0x10000);
4835 return AVERROR(EINVAL);
4838 avio_wb32(pb, 0x94); /* size */
4839 ffio_wfourcc(pb, "uuid");
4840 ffio_wfourcc(pb, "PROF");
4842 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
4843 avio_wb32(pb, 0xbb88695c);
4844 avio_wb32(pb, 0xfac9c740);
4846 avio_wb32(pb, 0x0); /* ? */
4847 avio_wb32(pb, 0x3); /* 3 sections ? */
4849 avio_wb32(pb, 0x14); /* size */
4850 ffio_wfourcc(pb, "FPRF");
4851 avio_wb32(pb, 0x0); /* ? */
4852 avio_wb32(pb, 0x0); /* ? */
4853 avio_wb32(pb, 0x0); /* ? */
4855 avio_wb32(pb, 0x2c); /* size */
4856 ffio_wfourcc(pb, "APRF"); /* audio */
4858 avio_wb32(pb, 0x2); /* TrackID */
4859 ffio_wfourcc(pb, "mp4a");
4860 avio_wb32(pb, 0x20f);
4862 avio_wb32(pb, audio_kbitrate);
4863 avio_wb32(pb, audio_kbitrate);
4864 avio_wb32(pb, audio_rate);
4865 avio_wb32(pb, audio_par->channels);
4867 avio_wb32(pb, 0x34); /* size */
4868 ffio_wfourcc(pb, "VPRF"); /* video */
4870 avio_wb32(pb, 0x1); /* TrackID */
4871 if (video_par->codec_id == AV_CODEC_ID_H264) {
4872 ffio_wfourcc(pb, "avc1");
4873 avio_wb16(pb, 0x014D);
4874 avio_wb16(pb, 0x0015);
4876 ffio_wfourcc(pb, "mp4v");
4877 avio_wb16(pb, 0x0000);
4878 avio_wb16(pb, 0x0103);
4881 avio_wb32(pb, video_kbitrate);
4882 avio_wb32(pb, video_kbitrate);
4883 avio_wb32(pb, frame_rate);
4884 avio_wb32(pb, frame_rate);
4885 avio_wb16(pb, video_par->width);
4886 avio_wb16(pb, video_par->height);
4887 avio_wb32(pb, 0x010001); /* ? */
4892 static int mov_write_identification(AVIOContext *pb, AVFormatContext *s)
4894 MOVMuxContext *mov = s->priv_data;
4897 mov_write_ftyp_tag(pb,s);
4898 if (mov->mode == MODE_PSP) {
4899 int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
4900 for (i = 0; i < s->nb_streams; i++) {
4901 AVStream *st = s->streams[i];
4902 if (is_cover_image(st))
4904 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
4906 else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
4912 if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
4913 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
4914 return AVERROR(EINVAL);
4916 return mov_write_uuidprof_tag(pb, s);
4921 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
4924 int i, closed_gop = 0;
4926 for (i = 0; i < pkt->size - 4; i++) {
4927 c = (c << 8) + pkt->data[i];
4928 if (c == 0x1b8) { // gop
4929 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
4930 } else if (c == 0x100) { // pic
4931 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
4932 if (!temp_ref || closed_gop) // I picture is not reordered
4933 *flags = MOV_SYNC_SAMPLE;
4935 *flags = MOV_PARTIAL_SYNC_SAMPLE;
4942 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk)
4944 const uint8_t *start, *next, *end = pkt->data + pkt->size;
4945 int seq = 0, entry = 0;
4946 int key = pkt->flags & AV_PKT_FLAG_KEY;
4947 start = find_next_marker(pkt->data, end);
4948 for (next = start; next < end; start = next) {
4949 next = find_next_marker(start + 4, end);
4950 switch (AV_RB32(start)) {
4951 case VC1_CODE_SEQHDR:
4954 case VC1_CODE_ENTRYPOINT:
4957 case VC1_CODE_SLICE:
4958 trk->vc1_info.slices = 1;
4962 if (!trk->entry && trk->vc1_info.first_packet_seen)
4963 trk->vc1_info.first_frag_written = 1;
4964 if (!trk->entry && !trk->vc1_info.first_frag_written) {
4965 /* First packet in first fragment */
4966 trk->vc1_info.first_packet_seq = seq;
4967 trk->vc1_info.first_packet_entry = entry;
4968 trk->vc1_info.first_packet_seen = 1;
4969 } else if ((seq && !trk->vc1_info.packet_seq) ||
4970 (entry && !trk->vc1_info.packet_entry)) {
4972 for (i = 0; i < trk->entry; i++)
4973 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
4974 trk->has_keyframes = 0;
4976 trk->vc1_info.packet_seq = 1;
4978 trk->vc1_info.packet_entry = 1;
4979 if (!trk->vc1_info.first_frag_written) {
4980 /* First fragment */
4981 if ((!seq || trk->vc1_info.first_packet_seq) &&
4982 (!entry || trk->vc1_info.first_packet_entry)) {
4983 /* First packet had the same headers as this one, readd the
4984 * sync sample flag. */
4985 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
4986 trk->has_keyframes = 1;
4990 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
4992 else if (trk->vc1_info.packet_seq)
4994 else if (trk->vc1_info.packet_entry)
4997 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
4998 trk->has_keyframes++;
5002 static void mov_parse_truehd_frame(AVPacket *pkt, MOVTrack *trk)
5009 length = (AV_RB16(pkt->data) & 0xFFF) * 2;
5010 if (length < 8 || length > pkt->size)
5013 if (AV_RB32(pkt->data + 4) == 0xF8726FBA) {
5014 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
5015 trk->has_keyframes++;
5021 static int mov_flush_fragment_interleaving(AVFormatContext *s, MOVTrack *track)
5023 MOVMuxContext *mov = s->priv_data;
5028 if (!track->mdat_buf)
5030 if (!mov->mdat_buf) {
5031 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
5034 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
5035 track->mdat_buf = NULL;
5037 offset = avio_tell(mov->mdat_buf);
5038 avio_write(mov->mdat_buf, buf, buf_size);
5041 for (i = track->entries_flushed; i < track->entry; i++)
5042 track->cluster[i].pos += offset;
5043 track->entries_flushed = track->entry;
5047 static int mov_flush_fragment(AVFormatContext *s, int force)
5049 MOVMuxContext *mov = s->priv_data;
5050 int i, first_track = -1;
5051 int64_t mdat_size = 0;
5053 int has_video = 0, starts_with_key = 0, first_video_track = 1;
5055 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
5058 // Try to fill in the duration of the last packet in each stream
5059 // from queued packets in the interleave queues. If the flushing
5060 // of fragments was triggered automatically by an AVPacket, we
5061 // already have reliable info for the end of that track, but other
5062 // tracks may need to be filled in.
5063 for (i = 0; i < s->nb_streams; i++) {
5064 MOVTrack *track = &mov->tracks[i];
5065 if (!track->end_reliable) {
5067 if (!ff_interleaved_peek(s, i, &pkt, 1)) {
5068 if (track->dts_shift != AV_NOPTS_VALUE)
5069 pkt.dts += track->dts_shift;
5070 track->track_duration = pkt.dts - track->start_dts;
5071 if (pkt.pts != AV_NOPTS_VALUE)
5072 track->end_pts = pkt.pts;
5074 track->end_pts = pkt.dts;
5079 for (i = 0; i < mov->nb_streams; i++) {
5080 MOVTrack *track = &mov->tracks[i];
5081 if (track->entry <= 1)
5083 // Sample durations are calculated as the diff of dts values,
5084 // but for the last sample in a fragment, we don't know the dts
5085 // of the first sample in the next fragment, so we have to rely
5086 // on what was set as duration in the AVPacket. Not all callers
5087 // set this though, so we might want to replace it with an
5088 // estimate if it currently is zero.
5089 if (get_cluster_duration(track, track->entry - 1) != 0)
5091 // Use the duration (i.e. dts diff) of the second last sample for
5092 // the last one. This is a wild guess (and fatal if it turns out
5093 // to be too long), but probably the best we can do - having a zero
5094 // duration is bad as well.
5095 track->track_duration += get_cluster_duration(track, track->entry - 2);
5096 track->end_pts += get_cluster_duration(track, track->entry - 2);
5097 if (!mov->missing_duration_warned) {
5098 av_log(s, AV_LOG_WARNING,
5099 "Estimating the duration of the last packet in a "
5100 "fragment, consider setting the duration field in "
5101 "AVPacket instead.\n");
5102 mov->missing_duration_warned = 1;
5106 if (!mov->moov_written) {
5107 int64_t pos = avio_tell(s->pb);
5109 int buf_size, moov_size;
5111 for (i = 0; i < mov->nb_streams; i++)
5112 if (!mov->tracks[i].entry && !is_cover_image(mov->tracks[i].st))
5114 /* Don't write the initial moov unless all tracks have data */
5115 if (i < mov->nb_streams && !force)
5118 moov_size = get_moov_size(s);
5119 for (i = 0; i < mov->nb_streams; i++)
5120 mov->tracks[i].data_offset = pos + moov_size + 8;
5122 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_HEADER);
5123 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5124 mov_write_identification(s->pb, s);
5125 if ((ret = mov_write_moov_tag(s->pb, mov, s)) < 0)
5128 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV) {
5129 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5130 mov->reserved_header_pos = avio_tell(s->pb);
5132 mov->moov_written = 1;
5136 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
5137 mov->mdat_buf = NULL;
5138 avio_wb32(s->pb, buf_size + 8);
5139 ffio_wfourcc(s->pb, "mdat");
5140 avio_write(s->pb, buf, buf_size);
5143 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5144 mov->reserved_header_pos = avio_tell(s->pb);
5146 mov->moov_written = 1;
5148 for (i = 0; i < mov->nb_streams; i++) {
5149 if (mov->tracks[i].entry)
5150 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
5151 mov->tracks[i].track_duration -
5152 mov->tracks[i].cluster[0].dts;
5153 mov->tracks[i].entry = 0;
5154 mov->tracks[i].end_reliable = 0;
5160 if (mov->frag_interleave) {
5161 for (i = 0; i < mov->nb_streams; i++) {
5162 MOVTrack *track = &mov->tracks[i];
5164 if ((ret = mov_flush_fragment_interleaving(s, track)) < 0)
5170 mdat_size = avio_tell(mov->mdat_buf);
5173 for (i = 0; i < mov->nb_streams; i++) {
5174 MOVTrack *track = &mov->tracks[i];
5175 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF || mov->frag_interleave)
5176 track->data_offset = 0;
5178 track->data_offset = mdat_size;
5179 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
5181 if (first_video_track) {
5183 starts_with_key = track->cluster[0].flags & MOV_SYNC_SAMPLE;
5184 first_video_track = 0;
5189 if (track->mdat_buf)
5190 mdat_size += avio_tell(track->mdat_buf);
5191 if (first_track < 0)
5198 avio_write_marker(s->pb,
5199 av_rescale(mov->tracks[first_track].cluster[0].dts, AV_TIME_BASE, mov->tracks[first_track].timescale),
5200 (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);
5202 for (i = 0; i < mov->nb_streams; i++) {
5203 MOVTrack *track = &mov->tracks[i];
5204 int buf_size, write_moof = 1, moof_tracks = -1;
5206 int64_t duration = 0;
5209 duration = track->start_dts + track->track_duration -
5210 track->cluster[0].dts;
5211 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
5212 if (!track->mdat_buf)
5214 mdat_size = avio_tell(track->mdat_buf);
5217 write_moof = i == first_track;
5223 mov_write_moof_tag(s->pb, mov, moof_tracks, mdat_size);
5226 avio_wb32(s->pb, mdat_size + 8);
5227 ffio_wfourcc(s->pb, "mdat");
5231 track->frag_start += duration;
5233 track->entries_flushed = 0;
5234 track->end_reliable = 0;
5235 if (!mov->frag_interleave) {
5236 if (!track->mdat_buf)
5238 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
5239 track->mdat_buf = NULL;
5243 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
5244 mov->mdat_buf = NULL;
5247 avio_write(s->pb, buf, buf_size);
5257 static int mov_auto_flush_fragment(AVFormatContext *s, int force)
5259 MOVMuxContext *mov = s->priv_data;
5260 int had_moov = mov->moov_written;
5261 int ret = mov_flush_fragment(s, force);
5264 // If using delay_moov, the first flush only wrote the moov,
5265 // not the actual moof+mdat pair, thus flush once again.
5266 if (!had_moov && mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5267 ret = mov_flush_fragment(s, force);
5271 static int check_pkt(AVFormatContext *s, AVPacket *pkt)
5273 MOVMuxContext *mov = s->priv_data;
5274 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5279 ref = trk->cluster[trk->entry - 1].dts;
5280 } else if ( trk->start_dts != AV_NOPTS_VALUE
5281 && !trk->frag_discont) {
5282 ref = trk->start_dts + trk->track_duration;
5284 ref = pkt->dts; // Skip tests for the first packet
5286 if (trk->dts_shift != AV_NOPTS_VALUE) {
5287 /* With negative CTS offsets we have set an offset to the DTS,
5288 * reverse this for the check. */
5289 ref -= trk->dts_shift;
5292 duration = pkt->dts - ref;
5293 if (pkt->dts < ref || duration >= INT_MAX) {
5294 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n",
5299 pkt->pts = AV_NOPTS_VALUE;
5302 if (pkt->duration < 0 || pkt->duration > INT_MAX) {
5303 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" is invalid\n", pkt->duration);
5304 return AVERROR(EINVAL);
5309 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
5311 MOVMuxContext *mov = s->priv_data;
5312 AVIOContext *pb = s->pb;
5313 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5314 AVCodecParameters *par = trk->par;
5315 unsigned int samples_in_chunk = 0;
5316 int size = pkt->size, ret = 0;
5317 uint8_t *reformatted_data = NULL;
5319 ret = check_pkt(s, pkt);
5323 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
5325 if (mov->moov_written || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
5326 if (mov->frag_interleave && mov->fragments > 0) {
5327 if (trk->entry - trk->entries_flushed >= mov->frag_interleave) {
5328 if ((ret = mov_flush_fragment_interleaving(s, trk)) < 0)
5333 if (!trk->mdat_buf) {
5334 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
5339 if (!mov->mdat_buf) {
5340 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
5347 if (par->codec_id == AV_CODEC_ID_AMR_NB) {
5348 /* We must find out how many AMR blocks there are in one packet */
5349 static const uint16_t packed_size[16] =
5350 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
5353 while (len < size && samples_in_chunk < 100) {
5354 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
5357 if (samples_in_chunk > 1) {
5358 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
5361 } else if (par->codec_id == AV_CODEC_ID_ADPCM_MS ||
5362 par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
5363 samples_in_chunk = trk->par->frame_size;
5364 } else if (trk->sample_size)
5365 samples_in_chunk = size / trk->sample_size;
5367 samples_in_chunk = 1;
5369 if (samples_in_chunk < 1) {
5370 av_log(s, AV_LOG_ERROR, "fatal error, input packet contains no samples\n");
5371 return AVERROR_PATCHWELCOME;
5374 /* copy extradata if it exists */
5375 if (trk->vos_len == 0 && par->extradata_size > 0 &&
5376 !TAG_IS_AVCI(trk->tag) &&
5377 (par->codec_id != AV_CODEC_ID_DNXHD)) {
5378 trk->vos_len = par->extradata_size;
5379 trk->vos_data = av_malloc(trk->vos_len);
5380 if (!trk->vos_data) {
5381 ret = AVERROR(ENOMEM);
5384 memcpy(trk->vos_data, par->extradata, trk->vos_len);
5387 if (par->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
5388 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
5389 if (!s->streams[pkt->stream_index]->nb_frames) {
5390 av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
5391 "use the audio bitstream filter 'aac_adtstoasc' to fix it "
5392 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
5395 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
5397 if (par->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1 && !TAG_IS_AVCI(trk->tag)) {
5398 /* from x264 or from bytestream H.264 */
5399 /* NAL reformatting needed */
5400 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5401 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
5403 avio_write(pb, reformatted_data, size);
5405 if (trk->cenc.aes_ctr) {
5406 size = ff_mov_cenc_avc_parse_nal_units(&trk->cenc, pb, pkt->data, size);
5412 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
5415 } else if (par->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
5416 (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
5417 /* extradata is Annex B, assume the bitstream is too and convert it */
5418 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5419 ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data, &size, 0, NULL);
5420 avio_write(pb, reformatted_data, size);
5422 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
5424 } else if (par->codec_id == AV_CODEC_ID_AV1) {
5425 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5426 ff_av1_filter_obus_buf(pkt->data, &reformatted_data, &size);
5427 avio_write(pb, reformatted_data, size);
5429 size = ff_av1_filter_obus(pb, pkt->data, pkt->size);
5431 #if CONFIG_AC3_PARSER
5432 } else if (par->codec_id == AV_CODEC_ID_EAC3) {
5433 size = handle_eac3(mov, pkt, trk);
5438 avio_write(pb, pkt->data, size);
5441 if (trk->cenc.aes_ctr) {
5442 if (par->codec_id == AV_CODEC_ID_H264 && par->extradata_size > 4) {
5443 int nal_size_length = (par->extradata[4] & 0x3) + 1;
5444 ret = ff_mov_cenc_avc_write_nal_units(s, &trk->cenc, nal_size_length, pb, pkt->data, size);
5446 ret = ff_mov_cenc_write_packet(&trk->cenc, pb, pkt->data, size);
5453 avio_write(pb, pkt->data, size);
5457 if ((par->codec_id == AV_CODEC_ID_DNXHD ||
5458 par->codec_id == AV_CODEC_ID_TRUEHD ||
5459 par->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
5460 /* copy frame to create needed atoms */
5461 trk->vos_len = size;
5462 trk->vos_data = av_malloc(size);
5463 if (!trk->vos_data) {
5464 ret = AVERROR(ENOMEM);
5467 memcpy(trk->vos_data, pkt->data, size);
5470 if (trk->entry >= trk->cluster_capacity) {
5471 unsigned new_capacity = 2 * (trk->entry + MOV_INDEX_CLUSTER_SIZE);
5472 if (av_reallocp_array(&trk->cluster, new_capacity,
5473 sizeof(*trk->cluster))) {
5474 ret = AVERROR(ENOMEM);
5477 trk->cluster_capacity = new_capacity;
5480 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
5481 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
5482 trk->cluster[trk->entry].chunkNum = 0;
5483 trk->cluster[trk->entry].size = size;
5484 trk->cluster[trk->entry].entries = samples_in_chunk;
5485 trk->cluster[trk->entry].dts = pkt->dts;
5486 trk->cluster[trk->entry].pts = pkt->pts;
5487 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
5488 if (!trk->frag_discont) {
5489 /* First packet of a new fragment. We already wrote the duration
5490 * of the last packet of the previous fragment based on track_duration,
5491 * which might not exactly match our dts. Therefore adjust the dts
5492 * of this packet to be what the previous packets duration implies. */
5493 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
5494 /* We also may have written the pts and the corresponding duration
5495 * in sidx/tfrf/tfxd tags; make sure the sidx pts and duration match up with
5496 * the next fragment. This means the cts of the first sample must
5497 * be the same in all fragments, unless end_pts was updated by
5498 * the packet causing the fragment to be written. */
5499 if ((mov->flags & FF_MOV_FLAG_DASH &&
5500 !(mov->flags & (FF_MOV_FLAG_GLOBAL_SIDX | FF_MOV_FLAG_SKIP_SIDX))) ||
5501 mov->mode == MODE_ISM)
5502 pkt->pts = pkt->dts + trk->end_pts - trk->cluster[trk->entry].dts;
5504 /* New fragment, but discontinuous from previous fragments.
5505 * Pretend the duration sum of the earlier fragments is
5506 * pkt->dts - trk->start_dts. */
5507 trk->frag_start = pkt->dts - trk->start_dts;
5508 trk->end_pts = AV_NOPTS_VALUE;
5509 trk->frag_discont = 0;
5513 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !mov->use_editlist &&
5514 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO) {
5515 /* Not using edit lists and shifting the first track to start from zero.
5516 * If the other streams start from a later timestamp, we won't be able
5517 * to signal the difference in starting time without an edit list.
5518 * Thus move the timestamp for this first sample to 0, increasing
5519 * its duration instead. */
5520 trk->cluster[trk->entry].dts = trk->start_dts = 0;
5522 if (trk->start_dts == AV_NOPTS_VALUE) {
5523 trk->start_dts = pkt->dts;
5524 if (trk->frag_discont) {
5525 if (mov->use_editlist) {
5526 /* Pretend the whole stream started at pts=0, with earlier fragments
5527 * already written. If the stream started at pts=0, the duration sum
5528 * of earlier fragments would have been pkt->pts. */
5529 trk->frag_start = pkt->pts;
5530 trk->start_dts = pkt->dts - pkt->pts;
5532 /* Pretend the whole stream started at dts=0, with earlier fragments
5533 * already written, with a duration summing up to pkt->dts. */
5534 trk->frag_start = pkt->dts;
5537 trk->frag_discont = 0;
5538 } else if (pkt->dts && mov->moov_written)
5539 av_log(s, AV_LOG_WARNING,
5540 "Track %d starts with a nonzero dts %"PRId64", while the moov "
5541 "already has been written. Set the delay_moov flag to handle "
5543 pkt->stream_index, pkt->dts);
5545 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
5546 trk->last_sample_is_subtitle_end = 0;
5548 if (pkt->pts == AV_NOPTS_VALUE) {
5549 av_log(s, AV_LOG_WARNING, "pts has no value\n");
5550 pkt->pts = pkt->dts;
5552 if (pkt->dts != pkt->pts)
5553 trk->flags |= MOV_TRACK_CTTS;
5554 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
5555 trk->cluster[trk->entry].flags = 0;
5556 if (trk->start_cts == AV_NOPTS_VALUE)
5557 trk->start_cts = pkt->pts - pkt->dts;
5558 if (trk->end_pts == AV_NOPTS_VALUE)
5559 trk->end_pts = trk->cluster[trk->entry].dts +
5560 trk->cluster[trk->entry].cts + pkt->duration;
5562 trk->end_pts = FFMAX(trk->end_pts, trk->cluster[trk->entry].dts +
5563 trk->cluster[trk->entry].cts +
5566 if (par->codec_id == AV_CODEC_ID_VC1) {
5567 mov_parse_vc1_frame(pkt, trk);
5568 } else if (par->codec_id == AV_CODEC_ID_TRUEHD) {
5569 mov_parse_truehd_frame(pkt, trk);
5570 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
5571 if (mov->mode == MODE_MOV && par->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
5572 trk->entry > 0) { // force sync sample for the first key frame
5573 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
5574 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
5575 trk->flags |= MOV_TRACK_STPS;
5577 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
5579 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
5580 trk->has_keyframes++;
5582 if (pkt->flags & AV_PKT_FLAG_DISPOSABLE) {
5583 trk->cluster[trk->entry].flags |= MOV_DISPOSABLE_SAMPLE;
5584 trk->has_disposable++;
5587 trk->sample_count += samples_in_chunk;
5588 mov->mdat_size += size;
5590 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
5591 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
5592 reformatted_data, size);
5597 av_free(reformatted_data);
5601 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
5603 MOVMuxContext *mov = s->priv_data;
5604 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5605 AVCodecParameters *par = trk->par;
5606 int64_t frag_duration = 0;
5607 int size = pkt->size;
5609 int ret = check_pkt(s, pkt);
5613 if (mov->flags & FF_MOV_FLAG_FRAG_DISCONT) {
5615 for (i = 0; i < s->nb_streams; i++)
5616 mov->tracks[i].frag_discont = 1;
5617 mov->flags &= ~FF_MOV_FLAG_FRAG_DISCONT;
5620 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS) {
5621 if (trk->dts_shift == AV_NOPTS_VALUE)
5622 trk->dts_shift = pkt->pts - pkt->dts;
5623 pkt->dts += trk->dts_shift;
5626 if (trk->par->codec_id == AV_CODEC_ID_MP4ALS ||
5627 trk->par->codec_id == AV_CODEC_ID_AAC ||
5628 trk->par->codec_id == AV_CODEC_ID_AV1 ||
5629 trk->par->codec_id == AV_CODEC_ID_FLAC) {
5631 uint8_t *side = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, &side_size);
5632 if (side && side_size > 0 && (side_size != par->extradata_size || memcmp(side, par->extradata, side_size))) {
5633 void *newextra = av_mallocz(side_size + AV_INPUT_BUFFER_PADDING_SIZE);
5635 return AVERROR(ENOMEM);
5636 av_free(par->extradata);
5637 par->extradata = newextra;
5638 memcpy(par->extradata, side, side_size);
5639 par->extradata_size = side_size;
5640 if (!pkt->size) // Flush packet
5641 mov->need_rewrite_extradata = 1;
5646 if (trk->start_dts == AV_NOPTS_VALUE && trk->frag_discont) {
5647 trk->start_dts = pkt->dts;
5648 if (pkt->pts != AV_NOPTS_VALUE)
5649 trk->start_cts = pkt->pts - pkt->dts;
5654 return 0; /* Discard 0 sized packets */
5657 if (trk->entry && pkt->stream_index < s->nb_streams)
5658 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
5659 s->streams[pkt->stream_index]->time_base,
5661 if ((mov->max_fragment_duration &&
5662 frag_duration >= mov->max_fragment_duration) ||
5663 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
5664 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
5665 par->codec_type == AVMEDIA_TYPE_VIDEO &&
5666 trk->entry && pkt->flags & AV_PKT_FLAG_KEY) ||
5667 (mov->flags & FF_MOV_FLAG_FRAG_EVERY_FRAME)) {
5668 if (frag_duration >= mov->min_fragment_duration) {
5669 // Set the duration of this track to line up with the next
5670 // sample in this track. This avoids relying on AVPacket
5671 // duration, but only helps for this particular track, not
5672 // for the other ones that are flushed at the same time.
5673 trk->track_duration = pkt->dts - trk->start_dts;
5674 if (pkt->pts != AV_NOPTS_VALUE)
5675 trk->end_pts = pkt->pts;
5677 trk->end_pts = pkt->dts;
5678 trk->end_reliable = 1;
5679 mov_auto_flush_fragment(s, 0);
5683 return ff_mov_write_packet(s, pkt);
5686 static int mov_write_subtitle_end_packet(AVFormatContext *s,
5690 uint8_t data[2] = {0};
5693 av_init_packet(&end);
5694 end.size = sizeof(data);
5699 end.stream_index = stream_index;
5701 ret = mov_write_single_packet(s, &end);
5702 av_packet_unref(&end);
5707 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
5709 MOVMuxContext *mov = s->priv_data;
5713 mov_flush_fragment(s, 1);
5717 trk = &mov->tracks[pkt->stream_index];
5719 if (is_cover_image(trk->st)) {
5722 if (trk->st->nb_frames >= 1) {
5723 if (trk->st->nb_frames == 1)
5724 av_log(s, AV_LOG_WARNING, "Got more than one picture in stream %d,"
5725 " ignoring.\n", pkt->stream_index);
5729 if ((ret = av_packet_ref(&trk->cover_image, pkt)) < 0)
5737 return mov_write_single_packet(s, pkt); /* Passthrough. */
5740 * Subtitles require special handling.
5742 * 1) For full complaince, every track must have a sample at
5743 * dts == 0, which is rarely true for subtitles. So, as soon
5744 * as we see any packet with dts > 0, write an empty subtitle
5745 * at dts == 0 for any subtitle track with no samples in it.
5747 * 2) For each subtitle track, check if the current packet's
5748 * dts is past the duration of the last subtitle sample. If
5749 * so, we now need to write an end sample for that subtitle.
5751 * This must be done conditionally to allow for subtitles that
5752 * immediately replace each other, in which case an end sample
5753 * is not needed, and is, in fact, actively harmful.
5755 * 3) See mov_write_trailer for how the final end sample is
5758 for (i = 0; i < mov->nb_streams; i++) {
5759 MOVTrack *trk = &mov->tracks[i];
5762 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
5763 trk->track_duration < pkt->dts &&
5764 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
5765 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
5766 if (ret < 0) return ret;
5767 trk->last_sample_is_subtitle_end = 1;
5771 if (trk->mode == MODE_MOV && trk->par->codec_type == AVMEDIA_TYPE_VIDEO) {
5772 AVPacket *opkt = pkt;
5773 int reshuffle_ret, ret;
5774 if (trk->is_unaligned_qt_rgb) {
5775 int64_t bpc = trk->par->bits_per_coded_sample != 15 ? trk->par->bits_per_coded_sample : 16;
5776 int expected_stride = ((trk->par->width * bpc + 15) >> 4)*2;
5777 reshuffle_ret = ff_reshuffle_raw_rgb(s, &pkt, trk->par, expected_stride);
5778 if (reshuffle_ret < 0)
5779 return reshuffle_ret;
5782 if (trk->par->format == AV_PIX_FMT_PAL8 && !trk->pal_done) {
5783 ret = ff_get_packet_palette(s, opkt, reshuffle_ret, trk->palette);
5788 } else if (trk->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
5789 (trk->par->format == AV_PIX_FMT_GRAY8 ||
5790 trk->par->format == AV_PIX_FMT_MONOBLACK)) {
5791 for (i = 0; i < pkt->size; i++)
5792 pkt->data[i] = ~pkt->data[i];
5794 if (reshuffle_ret) {
5795 ret = mov_write_single_packet(s, pkt);
5798 av_packet_free(&pkt);
5803 return mov_write_single_packet(s, pkt);
5807 // QuickTime chapters involve an additional text track with the chapter names
5808 // as samples, and a tref pointing from the other tracks to the chapter one.
5809 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
5813 MOVMuxContext *mov = s->priv_data;
5814 MOVTrack *track = &mov->tracks[tracknum];
5815 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
5818 track->mode = mov->mode;
5819 track->tag = MKTAG('t','e','x','t');
5820 track->timescale = MOV_TIMESCALE;
5821 track->par = avcodec_parameters_alloc();
5823 return AVERROR(ENOMEM);
5824 track->par->codec_type = AVMEDIA_TYPE_SUBTITLE;
5826 // These properties are required to make QT recognize the chapter track
5827 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
5828 if (ff_alloc_extradata(track->par, sizeof(chapter_properties)))
5829 return AVERROR(ENOMEM);
5830 memcpy(track->par->extradata, chapter_properties, sizeof(chapter_properties));
5832 if (avio_open_dyn_buf(&pb) >= 0) {
5836 /* Stub header (usually for Quicktime chapter track) */
5838 avio_wb32(pb, 0x01); // displayFlags
5839 avio_w8(pb, 0x00); // horizontal justification
5840 avio_w8(pb, 0x00); // vertical justification
5841 avio_w8(pb, 0x00); // bgColourRed
5842 avio_w8(pb, 0x00); // bgColourGreen
5843 avio_w8(pb, 0x00); // bgColourBlue
5844 avio_w8(pb, 0x00); // bgColourAlpha
5846 avio_wb16(pb, 0x00); // defTextBoxTop
5847 avio_wb16(pb, 0x00); // defTextBoxLeft
5848 avio_wb16(pb, 0x00); // defTextBoxBottom
5849 avio_wb16(pb, 0x00); // defTextBoxRight
5851 avio_wb16(pb, 0x00); // startChar
5852 avio_wb16(pb, 0x00); // endChar
5853 avio_wb16(pb, 0x01); // fontID
5854 avio_w8(pb, 0x00); // fontStyleFlags
5855 avio_w8(pb, 0x00); // fontSize
5856 avio_w8(pb, 0x00); // fgColourRed
5857 avio_w8(pb, 0x00); // fgColourGreen
5858 avio_w8(pb, 0x00); // fgColourBlue
5859 avio_w8(pb, 0x00); // fgColourAlpha
5861 avio_wb32(pb, 0x0D); // box size
5862 ffio_wfourcc(pb, "ftab"); // box atom name
5863 avio_wb16(pb, 0x01); // entry count
5865 avio_wb16(pb, 0x01); // font ID
5866 avio_w8(pb, 0x00); // font name length
5868 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
5869 track->par->extradata = buf;
5870 track->par->extradata_size = size;
5877 for (i = 0; i < s->nb_chapters; i++) {
5878 AVChapter *c = s->chapters[i];
5879 AVDictionaryEntry *t;
5881 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
5882 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
5883 pkt.duration = end - pkt.dts;
5885 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
5886 static const char encd[12] = {
5887 0x00, 0x00, 0x00, 0x0C,
5889 0x00, 0x00, 0x01, 0x00 };
5890 len = strlen(t->value);
5891 pkt.size = len + 2 + 12;
5892 pkt.data = av_malloc(pkt.size);
5894 return AVERROR(ENOMEM);
5895 AV_WB16(pkt.data, len);
5896 memcpy(pkt.data + 2, t->value, len);
5897 memcpy(pkt.data + len + 2, encd, sizeof(encd));
5898 ff_mov_write_packet(s, &pkt);
5899 av_freep(&pkt.data);
5907 static int mov_check_timecode_track(AVFormatContext *s, AVTimecode *tc, int src_index, const char *tcstr)
5911 /* compute the frame number */
5912 ret = av_timecode_init_from_string(tc, find_fps(s, s->streams[src_index]), tcstr, s);
5916 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, AVTimecode tc)
5919 MOVMuxContext *mov = s->priv_data;
5920 MOVTrack *track = &mov->tracks[index];
5921 AVStream *src_st = s->streams[src_index];
5922 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
5923 AVRational rate = find_fps(s, src_st);
5925 /* tmcd track based on video stream */
5926 track->mode = mov->mode;
5927 track->tag = MKTAG('t','m','c','d');
5928 track->src_track = src_index;
5929 track->timescale = mov->tracks[src_index].timescale;
5930 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
5931 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
5933 /* set st to src_st for metadata access*/
5936 /* encode context: tmcd data stream */
5937 track->par = avcodec_parameters_alloc();
5939 return AVERROR(ENOMEM);
5940 track->par->codec_type = AVMEDIA_TYPE_DATA;
5941 track->par->codec_tag = track->tag;
5942 track->st->avg_frame_rate = av_inv_q(rate);
5944 /* the tmcd track just contains one packet with the frame number */
5945 pkt.data = av_malloc(pkt.size);
5947 return AVERROR(ENOMEM);
5948 AV_WB32(pkt.data, tc.start);
5949 ret = ff_mov_write_packet(s, &pkt);
5955 * st->disposition controls the "enabled" flag in the tkhd tag.
5956 * QuickTime will not play a track if it is not enabled. So make sure
5957 * that one track of each type (audio, video, subtitle) is enabled.
5959 * Subtitles are special. For audio and video, setting "enabled" also
5960 * makes the track "default" (i.e. it is rendered when played). For
5961 * subtitles, an "enabled" subtitle is not rendered by default, but
5962 * if no subtitle is enabled, the subtitle menu in QuickTime will be
5965 static void enable_tracks(AVFormatContext *s)
5967 MOVMuxContext *mov = s->priv_data;
5969 int enabled[AVMEDIA_TYPE_NB];
5970 int first[AVMEDIA_TYPE_NB];
5972 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
5977 for (i = 0; i < s->nb_streams; i++) {
5978 AVStream *st = s->streams[i];
5980 if (st->codecpar->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
5981 st->codecpar->codec_type >= AVMEDIA_TYPE_NB ||
5985 if (first[st->codecpar->codec_type] < 0)
5986 first[st->codecpar->codec_type] = i;
5987 if (st->disposition & AV_DISPOSITION_DEFAULT) {
5988 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
5989 enabled[st->codecpar->codec_type]++;
5993 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
5995 case AVMEDIA_TYPE_VIDEO:
5996 case AVMEDIA_TYPE_AUDIO:
5997 case AVMEDIA_TYPE_SUBTITLE:
5999 mov->per_stream_grouping = 1;
6000 if (!enabled[i] && first[i] >= 0)
6001 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
6007 static void mov_free(AVFormatContext *s)
6009 MOVMuxContext *mov = s->priv_data;
6012 if (mov->chapter_track) {
6013 if (mov->tracks[mov->chapter_track].par)
6014 av_freep(&mov->tracks[mov->chapter_track].par->extradata);
6015 av_freep(&mov->tracks[mov->chapter_track].par);
6018 for (i = 0; i < mov->nb_streams; i++) {
6019 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
6020 ff_mov_close_hinting(&mov->tracks[i]);
6021 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
6022 av_freep(&mov->tracks[i].par);
6023 av_freep(&mov->tracks[i].cluster);
6024 av_freep(&mov->tracks[i].frag_info);
6025 av_packet_unref(&mov->tracks[i].cover_image);
6027 if (mov->tracks[i].eac3_priv) {
6028 struct eac3_info *info = mov->tracks[i].eac3_priv;
6029 av_packet_unref(&info->pkt);
6030 av_freep(&mov->tracks[i].eac3_priv);
6032 if (mov->tracks[i].vos_len)
6033 av_freep(&mov->tracks[i].vos_data);
6035 ff_mov_cenc_free(&mov->tracks[i].cenc);
6038 av_freep(&mov->tracks);
6041 static uint32_t rgb_to_yuv(uint32_t rgb)
6046 r = (rgb >> 16) & 0xFF;
6047 g = (rgb >> 8) & 0xFF;
6050 y = av_clip_uint8(( 16000 + 257 * r + 504 * g + 98 * b)/1000);
6051 cb = av_clip_uint8((128000 - 148 * r - 291 * g + 439 * b)/1000);
6052 cr = av_clip_uint8((128000 + 439 * r - 368 * g - 71 * b)/1000);
6054 return (y << 16) | (cr << 8) | cb;
6057 static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track,
6060 int i, width = 720, height = 480;
6061 int have_palette = 0, have_size = 0;
6062 uint32_t palette[16];
6063 char *cur = st->codecpar->extradata;
6065 while (cur && *cur) {
6066 if (strncmp("palette:", cur, 8) == 0) {
6068 count = sscanf(cur + 8,
6069 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6070 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6071 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6072 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
6073 &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
6074 &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
6075 &palette[ 8], &palette[ 9], &palette[10], &palette[11],
6076 &palette[12], &palette[13], &palette[14], &palette[15]);
6078 for (i = 0; i < count; i++) {
6079 palette[i] = rgb_to_yuv(palette[i]);
6082 } else if (!strncmp("size:", cur, 5)) {
6083 sscanf(cur + 5, "%dx%d", &width, &height);
6086 if (have_palette && have_size)
6088 cur += strcspn(cur, "\n\r");
6089 cur += strspn(cur, "\n\r");
6092 track->vos_data = av_malloc(16*4);
6093 if (!track->vos_data)
6094 return AVERROR(ENOMEM);
6095 for (i = 0; i < 16; i++) {
6096 AV_WB32(track->vos_data + i * 4, palette[i]);
6098 track->vos_len = 16 * 4;
6100 st->codecpar->width = width;
6101 st->codecpar->height = track->height = height;
6106 static int mov_init(AVFormatContext *s)
6108 MOVMuxContext *mov = s->priv_data;
6109 AVDictionaryEntry *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
6114 /* Default mode == MP4 */
6115 mov->mode = MODE_MP4;
6118 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
6119 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
6120 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
6121 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
6122 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
6123 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
6124 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
6127 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
6128 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV;
6130 /* Set the FRAGMENT flag if any of the fragmentation methods are
6132 if (mov->max_fragment_duration || mov->max_fragment_size ||
6133 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
6134 FF_MOV_FLAG_FRAG_KEYFRAME |
6135 FF_MOV_FLAG_FRAG_CUSTOM |
6136 FF_MOV_FLAG_FRAG_EVERY_FRAME))
6137 mov->flags |= FF_MOV_FLAG_FRAGMENT;
6139 /* Set other implicit flags immediately */
6140 if (mov->mode == MODE_ISM)
6141 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
6142 FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
6143 if (mov->flags & FF_MOV_FLAG_DASH)
6144 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
6145 FF_MOV_FLAG_DEFAULT_BASE_MOOF;
6147 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV && s->flags & AVFMT_FLAG_AUTO_BSF) {
6148 av_log(s, AV_LOG_VERBOSE, "Empty MOOV enabled; disabling automatic bitstream filtering\n");
6149 s->flags &= ~AVFMT_FLAG_AUTO_BSF;
6152 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX && mov->flags & FF_MOV_FLAG_SKIP_SIDX) {
6153 av_log(s, AV_LOG_WARNING, "Global SIDX enabled; Ignoring skip_sidx option\n");
6154 mov->flags &= ~FF_MOV_FLAG_SKIP_SIDX;
6157 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
6158 mov->reserved_moov_size = -1;
6161 if (mov->use_editlist < 0) {
6162 mov->use_editlist = 1;
6163 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
6164 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6165 // If we can avoid needing an edit list by shifting the
6166 // tracks, prefer that over (trying to) write edit lists
6167 // in fragmented output.
6168 if (s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO ||
6169 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO)
6170 mov->use_editlist = 0;
6173 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
6174 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV) && mov->use_editlist)
6175 av_log(s, AV_LOG_WARNING, "No meaningful edit list will be written when using empty_moov without delay_moov\n");
6177 if (!mov->use_editlist && s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO)
6178 s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_ZERO;
6180 /* Clear the omit_tfhd_offset flag if default_base_moof is set;
6181 * if the latter is set that's enough and omit_tfhd_offset doesn't
6182 * add anything extra on top of that. */
6183 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
6184 mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
6185 mov->flags &= ~FF_MOV_FLAG_OMIT_TFHD_OFFSET;
6187 if (mov->frag_interleave &&
6188 mov->flags & (FF_MOV_FLAG_OMIT_TFHD_OFFSET | FF_MOV_FLAG_SEPARATE_MOOF)) {
6189 av_log(s, AV_LOG_ERROR,
6190 "Sample interleaving in fragments is mutually exclusive with "
6191 "omit_tfhd_offset and separate_moof\n");
6192 return AVERROR(EINVAL);
6195 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
6196 * is enabled, we don't support non-seekable output at all. */
6197 if (!(s->pb->seekable & AVIO_SEEKABLE_NORMAL) &&
6198 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
6199 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
6200 return AVERROR(EINVAL);
6203 mov->nb_streams = s->nb_streams;
6204 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
6205 mov->chapter_track = mov->nb_streams++;
6207 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6208 for (i = 0; i < s->nb_streams; i++)
6209 if (rtp_hinting_needed(s->streams[i]))
6213 if ( mov->write_tmcd == -1 && (mov->mode == MODE_MOV || mov->mode == MODE_MP4)
6214 || mov->write_tmcd == 1) {
6215 /* +1 tmcd track for each video stream with a timecode */
6216 for (i = 0; i < s->nb_streams; i++) {
6217 AVStream *st = s->streams[i];
6218 AVDictionaryEntry *t = global_tcr;
6219 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
6220 (t || (t=av_dict_get(st->metadata, "timecode", NULL, 0)))) {
6222 ret = mov_check_timecode_track(s, &tc, i, t->value);
6224 mov->nb_meta_tmcd++;
6228 /* check if there is already a tmcd track to remux */
6229 if (mov->nb_meta_tmcd) {
6230 for (i = 0; i < s->nb_streams; i++) {
6231 AVStream *st = s->streams[i];
6232 if (st->codecpar->codec_tag == MKTAG('t','m','c','d')) {
6233 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
6234 "so timecode metadata are now ignored\n");
6235 mov->nb_meta_tmcd = 0;
6240 mov->nb_streams += mov->nb_meta_tmcd;
6243 // Reserve an extra stream for chapters for the case where chapters
6244 // are written in the trailer
6245 mov->tracks = av_mallocz_array((mov->nb_streams + 1), sizeof(*mov->tracks));
6247 return AVERROR(ENOMEM);
6249 if (mov->encryption_scheme_str != NULL && strcmp(mov->encryption_scheme_str, "none") != 0) {
6250 if (strcmp(mov->encryption_scheme_str, "cenc-aes-ctr") == 0) {
6251 mov->encryption_scheme = MOV_ENC_CENC_AES_CTR;
6253 if (mov->encryption_key_len != AES_CTR_KEY_SIZE) {
6254 av_log(s, AV_LOG_ERROR, "Invalid encryption key len %d expected %d\n",
6255 mov->encryption_key_len, AES_CTR_KEY_SIZE);
6256 return AVERROR(EINVAL);
6259 if (mov->encryption_kid_len != CENC_KID_SIZE) {
6260 av_log(s, AV_LOG_ERROR, "Invalid encryption kid len %d expected %d\n",
6261 mov->encryption_kid_len, CENC_KID_SIZE);
6262 return AVERROR(EINVAL);
6265 av_log(s, AV_LOG_ERROR, "unsupported encryption scheme %s\n",
6266 mov->encryption_scheme_str);
6267 return AVERROR(EINVAL);
6271 for (i = 0; i < s->nb_streams; i++) {
6272 AVStream *st= s->streams[i];
6273 MOVTrack *track= &mov->tracks[i];
6274 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
6277 track->par = st->codecpar;
6278 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
6279 if (track->language < 0)
6280 track->language = 32767; // Unspecified Macintosh language code
6281 track->mode = mov->mode;
6282 track->tag = mov_find_codec_tag(s, track);
6284 av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, "
6285 "codec not currently supported in container\n",
6286 avcodec_get_name(st->codecpar->codec_id), i);
6287 return AVERROR(EINVAL);
6289 /* If hinting of this track is enabled by a later hint track,
6290 * this is updated. */
6291 track->hint_track = -1;
6292 track->start_dts = AV_NOPTS_VALUE;
6293 track->start_cts = AV_NOPTS_VALUE;
6294 track->end_pts = AV_NOPTS_VALUE;
6295 track->dts_shift = AV_NOPTS_VALUE;
6296 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
6297 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
6298 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
6299 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
6300 if (st->codecpar->width != 720 || (st->codecpar->height != 608 && st->codecpar->height != 512)) {
6301 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
6302 return AVERROR(EINVAL);
6304 track->height = track->tag >> 24 == 'n' ? 486 : 576;
6306 if (mov->video_track_timescale) {
6307 track->timescale = mov->video_track_timescale;
6309 track->timescale = st->time_base.den;
6310 while(track->timescale < 10000)
6311 track->timescale *= 2;
6313 if (st->codecpar->width > 65535 || st->codecpar->height > 65535) {
6314 av_log(s, AV_LOG_ERROR, "Resolution %dx%d too large for mov/mp4\n", st->codecpar->width, st->codecpar->height);
6315 return AVERROR(EINVAL);
6317 if (track->mode == MODE_MOV && track->timescale > 100000)
6318 av_log(s, AV_LOG_WARNING,
6319 "WARNING codec timebase is very high. If duration is too long,\n"
6320 "file may not be playable by quicktime. Specify a shorter timebase\n"
6321 "or choose different container.\n");
6322 if (track->mode == MODE_MOV &&
6323 track->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
6324 track->tag == MKTAG('r','a','w',' ')) {
6325 enum AVPixelFormat pix_fmt = track->par->format;
6326 if (pix_fmt == AV_PIX_FMT_NONE && track->par->bits_per_coded_sample == 1)
6327 pix_fmt = AV_PIX_FMT_MONOWHITE;
6328 track->is_unaligned_qt_rgb =
6329 pix_fmt == AV_PIX_FMT_RGB24 ||
6330 pix_fmt == AV_PIX_FMT_BGR24 ||
6331 pix_fmt == AV_PIX_FMT_PAL8 ||
6332 pix_fmt == AV_PIX_FMT_GRAY8 ||
6333 pix_fmt == AV_PIX_FMT_MONOWHITE ||
6334 pix_fmt == AV_PIX_FMT_MONOBLACK;
6336 if (track->par->codec_id == AV_CODEC_ID_VP9 ||
6337 track->par->codec_id == AV_CODEC_ID_AV1) {
6338 if (track->mode != MODE_MP4) {
6339 av_log(s, AV_LOG_ERROR, "%s only supported in MP4.\n", avcodec_get_name(track->par->codec_id));
6340 return AVERROR(EINVAL);
6342 } else if (track->par->codec_id == AV_CODEC_ID_VP8) {
6343 /* altref frames handling is not defined in the spec as of version v1.0,
6344 * so just forbid muxing VP8 streams altogether until a new version does */
6345 av_log(s, AV_LOG_ERROR, "VP8 muxing is currently not supported.\n");
6346 return AVERROR_PATCHWELCOME;
6348 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
6349 track->timescale = st->codecpar->sample_rate;
6350 if (!st->codecpar->frame_size && !av_get_bits_per_sample(st->codecpar->codec_id)) {
6351 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
6352 track->audio_vbr = 1;
6353 }else if (st->codecpar->codec_id == AV_CODEC_ID_ADPCM_MS ||
6354 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
6355 st->codecpar->codec_id == AV_CODEC_ID_ILBC){
6356 if (!st->codecpar->block_align) {
6357 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
6358 return AVERROR(EINVAL);
6360 track->sample_size = st->codecpar->block_align;
6361 }else if (st->codecpar->frame_size > 1){ /* assume compressed audio */
6362 track->audio_vbr = 1;
6364 track->sample_size = (av_get_bits_per_sample(st->codecpar->codec_id) >> 3) * st->codecpar->channels;
6366 if (st->codecpar->codec_id == AV_CODEC_ID_ILBC ||
6367 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_QT) {
6368 track->audio_vbr = 1;
6370 if (track->mode != MODE_MOV &&
6371 track->par->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
6372 if (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL) {
6373 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not standard, to mux anyway set strict to -1\n",
6374 i, track->par->sample_rate);
6375 return AVERROR(EINVAL);
6377 av_log(s, AV_LOG_WARNING, "track %d: muxing mp3 at %dhz is not standard in MP4\n",
6378 i, track->par->sample_rate);
6381 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
6382 track->par->codec_id == AV_CODEC_ID_TRUEHD ||
6383 track->par->codec_id == AV_CODEC_ID_OPUS) {
6384 if (track->mode != MODE_MP4) {
6385 av_log(s, AV_LOG_ERROR, "%s only supported in MP4.\n", avcodec_get_name(track->par->codec_id));
6386 return AVERROR(EINVAL);
6388 if (s->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
6389 av_log(s, AV_LOG_ERROR,
6390 "%s in MP4 support is experimental, add "
6391 "'-strict %d' if you want to use it.\n",
6392 avcodec_get_name(track->par->codec_id), FF_COMPLIANCE_EXPERIMENTAL);
6393 return AVERROR_EXPERIMENTAL;
6396 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
6397 track->timescale = st->time_base.den;
6398 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) {
6399 track->timescale = st->time_base.den;
6401 track->timescale = MOV_TIMESCALE;
6404 track->height = st->codecpar->height;
6405 /* The ism specific timescale isn't mandatory, but is assumed by
6406 * some tools, such as mp4split. */
6407 if (mov->mode == MODE_ISM)
6408 track->timescale = 10000000;
6410 avpriv_set_pts_info(st, 64, 1, track->timescale);
6412 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
6413 ret = ff_mov_cenc_init(&track->cenc, mov->encryption_key,
6414 track->par->codec_id == AV_CODEC_ID_H264, s->flags & AVFMT_FLAG_BITEXACT);
6424 static int mov_write_header(AVFormatContext *s)
6426 AVIOContext *pb = s->pb;
6427 MOVMuxContext *mov = s->priv_data;
6428 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
6429 int i, ret, hint_track = 0, tmcd_track = 0, nb_tracks = s->nb_streams;
6431 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
6434 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6435 hint_track = nb_tracks;
6436 for (i = 0; i < s->nb_streams; i++)
6437 if (rtp_hinting_needed(s->streams[i]))
6441 if (mov->nb_meta_tmcd)
6442 tmcd_track = nb_tracks;
6444 for (i = 0; i < s->nb_streams; i++) {
6446 AVStream *st= s->streams[i];
6447 MOVTrack *track= &mov->tracks[i];
6449 /* copy extradata if it exists */
6450 if (st->codecpar->extradata_size) {
6451 if (st->codecpar->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
6452 mov_create_dvd_sub_decoder_specific_info(track, st);
6453 else if (!TAG_IS_AVCI(track->tag) && st->codecpar->codec_id != AV_CODEC_ID_DNXHD) {
6454 track->vos_len = st->codecpar->extradata_size;
6455 track->vos_data = av_malloc(track->vos_len);
6456 if (!track->vos_data) {
6457 return AVERROR(ENOMEM);
6459 memcpy(track->vos_data, st->codecpar->extradata, track->vos_len);
6463 if (st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
6464 track->par->channel_layout != AV_CH_LAYOUT_MONO)
6467 for (j = 0; j < s->nb_streams; j++) {
6468 AVStream *stj= s->streams[j];
6469 MOVTrack *trackj= &mov->tracks[j];
6473 if (stj->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
6474 trackj->par->channel_layout != AV_CH_LAYOUT_MONO ||
6475 trackj->language != track->language ||
6476 trackj->tag != track->tag
6479 track->multichannel_as_mono++;
6483 if (!(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6484 if ((ret = mov_write_identification(pb, s)) < 0)
6488 if (mov->reserved_moov_size){
6489 mov->reserved_header_pos = avio_tell(pb);
6490 if (mov->reserved_moov_size > 0)
6491 avio_skip(pb, mov->reserved_moov_size);
6494 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
6495 /* If no fragmentation options have been set, set a default. */
6496 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
6497 FF_MOV_FLAG_FRAG_CUSTOM |
6498 FF_MOV_FLAG_FRAG_EVERY_FRAME)) &&
6499 !mov->max_fragment_duration && !mov->max_fragment_size)
6500 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
6502 if (mov->flags & FF_MOV_FLAG_FASTSTART)
6503 mov->reserved_header_pos = avio_tell(pb);
6504 mov_write_mdat_tag(pb, mov);
6507 ff_parse_creation_time_metadata(s, &mov->time, 1);
6509 mov->time += 0x7C25B080; // 1970 based -> 1904 based
6511 if (mov->chapter_track)
6512 if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0)
6515 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6516 for (i = 0; i < s->nb_streams; i++) {
6517 if (rtp_hinting_needed(s->streams[i])) {
6518 if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0)
6525 if (mov->nb_meta_tmcd) {
6526 /* Initialize the tmcd tracks */
6527 for (i = 0; i < s->nb_streams; i++) {
6528 AVStream *st = s->streams[i];
6531 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
6534 t = av_dict_get(st->metadata, "timecode", NULL, 0);
6537 if (mov_check_timecode_track(s, &tc, i, t->value) < 0)
6539 if ((ret = mov_create_timecode_track(s, tmcd_track, i, tc)) < 0)
6548 if (mov->flags & FF_MOV_FLAG_ISML)
6549 mov_write_isml_manifest(pb, mov, s);
6551 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
6552 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6553 if ((ret = mov_write_moov_tag(pb, mov, s)) < 0)
6556 mov->moov_written = 1;
6557 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
6558 mov->reserved_header_pos = avio_tell(pb);
6564 static int get_moov_size(AVFormatContext *s)
6567 AVIOContext *moov_buf;
6568 MOVMuxContext *mov = s->priv_data;
6570 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
6572 if ((ret = mov_write_moov_tag(moov_buf, mov, s)) < 0)
6574 return ffio_close_null_buf(moov_buf);
6577 static int get_sidx_size(AVFormatContext *s)
6581 MOVMuxContext *mov = s->priv_data;
6583 if ((ret = ffio_open_null_buf(&buf)) < 0)
6585 mov_write_sidx_tags(buf, mov, -1, 0);
6586 return ffio_close_null_buf(buf);
6590 * This function gets the moov size if moved to the top of the file: the chunk
6591 * offset table can switch between stco (32-bit entries) to co64 (64-bit
6592 * entries) when the moov is moved to the beginning, so the size of the moov
6593 * would change. It also updates the chunk offset tables.
6595 static int compute_moov_size(AVFormatContext *s)
6597 int i, moov_size, moov_size2;
6598 MOVMuxContext *mov = s->priv_data;
6600 moov_size = get_moov_size(s);
6604 for (i = 0; i < mov->nb_streams; i++)
6605 mov->tracks[i].data_offset += moov_size;
6607 moov_size2 = get_moov_size(s);
6611 /* if the size changed, we just switched from stco to co64 and need to
6612 * update the offsets */
6613 if (moov_size2 != moov_size)
6614 for (i = 0; i < mov->nb_streams; i++)
6615 mov->tracks[i].data_offset += moov_size2 - moov_size;
6620 static int compute_sidx_size(AVFormatContext *s)
6623 MOVMuxContext *mov = s->priv_data;
6625 sidx_size = get_sidx_size(s);
6629 for (i = 0; i < mov->nb_streams; i++)
6630 mov->tracks[i].data_offset += sidx_size;
6635 static int shift_data(AVFormatContext *s)
6637 int ret = 0, moov_size;
6638 MOVMuxContext *mov = s->priv_data;
6639 int64_t pos, pos_end = avio_tell(s->pb);
6640 uint8_t *buf, *read_buf[2];
6641 int read_buf_id = 0;
6643 AVIOContext *read_pb;
6645 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
6646 moov_size = compute_sidx_size(s);
6648 moov_size = compute_moov_size(s);
6652 buf = av_malloc(moov_size * 2);
6654 return AVERROR(ENOMEM);
6656 read_buf[1] = buf + moov_size;
6658 /* Shift the data: the AVIO context of the output can only be used for
6659 * writing, so we re-open the same output, but for reading. It also avoids
6660 * a read/seek/write/seek back and forth. */
6662 ret = s->io_open(s, &read_pb, s->url, AVIO_FLAG_READ, NULL);
6664 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
6665 "the second pass (faststart)\n", s->url);
6669 /* mark the end of the shift to up to the last data we wrote, and get ready
6671 pos_end = avio_tell(s->pb);
6672 avio_seek(s->pb, mov->reserved_header_pos + moov_size, SEEK_SET);
6674 /* start reading at where the new moov will be placed */
6675 avio_seek(read_pb, mov->reserved_header_pos, SEEK_SET);
6676 pos = avio_tell(read_pb);
6678 #define READ_BLOCK do { \
6679 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
6683 /* shift data by chunk of at most moov_size */
6688 n = read_size[read_buf_id];
6691 avio_write(s->pb, read_buf[read_buf_id], n);
6693 } while (pos < pos_end);
6694 ff_format_io_close(s, &read_pb);
6701 static int mov_write_trailer(AVFormatContext *s)
6703 MOVMuxContext *mov = s->priv_data;
6704 AVIOContext *pb = s->pb;
6709 if (mov->need_rewrite_extradata) {
6710 for (i = 0; i < s->nb_streams; i++) {
6711 MOVTrack *track = &mov->tracks[i];
6712 AVCodecParameters *par = track->par;
6714 track->vos_len = par->extradata_size;
6715 track->vos_data = av_malloc(track->vos_len);
6716 if (!track->vos_data)
6717 return AVERROR(ENOMEM);
6718 memcpy(track->vos_data, par->extradata, track->vos_len);
6720 mov->need_rewrite_extradata = 0;
6724 * Before actually writing the trailer, make sure that there are no
6725 * dangling subtitles, that need a terminating sample.
6727 for (i = 0; i < mov->nb_streams; i++) {
6728 MOVTrack *trk = &mov->tracks[i];
6729 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
6730 !trk->last_sample_is_subtitle_end) {
6731 mov_write_subtitle_end_packet(s, i, trk->track_duration);
6732 trk->last_sample_is_subtitle_end = 1;
6736 // If there were no chapters when the header was written, but there
6737 // are chapters now, write them in the trailer. This only works
6738 // when we are not doing fragments.
6739 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
6740 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
6741 mov->chapter_track = mov->nb_streams++;
6742 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
6747 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
6748 moov_pos = avio_tell(pb);
6750 /* Write size of mdat tag */
6751 if (mov->mdat_size + 8 <= UINT32_MAX) {
6752 avio_seek(pb, mov->mdat_pos, SEEK_SET);
6753 avio_wb32(pb, mov->mdat_size + 8);
6755 /* overwrite 'wide' placeholder atom */
6756 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
6757 /* special value: real atom size will be 64 bit value after
6760 ffio_wfourcc(pb, "mdat");
6761 avio_wb64(pb, mov->mdat_size + 16);
6763 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_header_pos : moov_pos, SEEK_SET);
6765 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
6766 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
6767 res = shift_data(s);
6770 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
6771 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6773 } else if (mov->reserved_moov_size > 0) {
6775 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6777 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_header_pos);
6779 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
6780 return AVERROR(EINVAL);
6782 avio_wb32(pb, size);
6783 ffio_wfourcc(pb, "free");
6784 ffio_fill(pb, 0, size - 8);
6785 avio_seek(pb, moov_pos, SEEK_SET);
6787 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6792 mov_auto_flush_fragment(s, 1);
6793 for (i = 0; i < mov->nb_streams; i++)
6794 mov->tracks[i].data_offset = 0;
6795 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) {
6797 av_log(s, AV_LOG_INFO, "Starting second pass: inserting sidx atoms\n");
6798 res = shift_data(s);
6801 end = avio_tell(pb);
6802 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
6803 mov_write_sidx_tags(pb, mov, -1, 0);
6804 avio_seek(pb, end, SEEK_SET);
6806 if (!(mov->flags & FF_MOV_FLAG_SKIP_TRAILER)) {
6807 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_TRAILER);
6808 mov_write_mfra_tag(pb, mov);
6815 static int mov_check_bitstream(struct AVFormatContext *s, const AVPacket *pkt)
6818 AVStream *st = s->streams[pkt->stream_index];
6820 if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
6821 if (pkt->size > 2 && (AV_RB16(pkt->data) & 0xfff0) == 0xfff0)
6822 ret = ff_stream_add_bitstream_filter(st, "aac_adtstoasc", NULL);
6823 } else if (st->codecpar->codec_id == AV_CODEC_ID_VP9) {
6824 ret = ff_stream_add_bitstream_filter(st, "vp9_superframe", NULL);
6830 static const AVCodecTag codec_3gp_tags[] = {
6831 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
6832 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
6833 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
6834 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
6835 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
6836 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
6837 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
6838 { AV_CODEC_ID_NONE, 0 },
6841 const AVCodecTag codec_mp4_tags[] = {
6842 { AV_CODEC_ID_MPEG4 , MKTAG('m', 'p', '4', 'v') },
6843 { AV_CODEC_ID_H264 , MKTAG('a', 'v', 'c', '1') },
6844 { AV_CODEC_ID_H264 , MKTAG('a', 'v', 'c', '3') },
6845 { AV_CODEC_ID_HEVC , MKTAG('h', 'e', 'v', '1') },
6846 { AV_CODEC_ID_HEVC , MKTAG('h', 'v', 'c', '1') },
6847 { AV_CODEC_ID_MPEG2VIDEO , MKTAG('m', 'p', '4', 'v') },
6848 { AV_CODEC_ID_MPEG1VIDEO , MKTAG('m', 'p', '4', 'v') },
6849 { AV_CODEC_ID_MJPEG , MKTAG('m', 'p', '4', 'v') },
6850 { AV_CODEC_ID_PNG , MKTAG('m', 'p', '4', 'v') },
6851 { AV_CODEC_ID_JPEG2000 , MKTAG('m', 'p', '4', 'v') },
6852 { AV_CODEC_ID_VC1 , MKTAG('v', 'c', '-', '1') },
6853 { AV_CODEC_ID_DIRAC , MKTAG('d', 'r', 'a', 'c') },
6854 { AV_CODEC_ID_TSCC2 , MKTAG('m', 'p', '4', 'v') },
6855 { AV_CODEC_ID_VP9 , MKTAG('v', 'p', '0', '9') },
6856 { AV_CODEC_ID_AV1 , MKTAG('a', 'v', '0', '1') },
6857 { AV_CODEC_ID_AAC , MKTAG('m', 'p', '4', 'a') },
6858 { AV_CODEC_ID_MP4ALS , MKTAG('m', 'p', '4', 'a') },
6859 { AV_CODEC_ID_MP3 , MKTAG('m', 'p', '4', 'a') },
6860 { AV_CODEC_ID_MP2 , MKTAG('m', 'p', '4', 'a') },
6861 { AV_CODEC_ID_AC3 , MKTAG('a', 'c', '-', '3') },
6862 { AV_CODEC_ID_EAC3 , MKTAG('e', 'c', '-', '3') },
6863 { AV_CODEC_ID_DTS , MKTAG('m', 'p', '4', 'a') },
6864 { AV_CODEC_ID_TRUEHD , MKTAG('m', 'l', 'p', 'a') },
6865 { AV_CODEC_ID_FLAC , MKTAG('f', 'L', 'a', 'C') },
6866 { AV_CODEC_ID_OPUS , MKTAG('O', 'p', 'u', 's') },
6867 { AV_CODEC_ID_VORBIS , MKTAG('m', 'p', '4', 'a') },
6868 { AV_CODEC_ID_QCELP , MKTAG('m', 'p', '4', 'a') },
6869 { AV_CODEC_ID_EVRC , MKTAG('m', 'p', '4', 'a') },
6870 { AV_CODEC_ID_DVD_SUBTITLE, MKTAG('m', 'p', '4', 's') },
6871 { AV_CODEC_ID_MOV_TEXT , MKTAG('t', 'x', '3', 'g') },
6872 { AV_CODEC_ID_BIN_DATA , MKTAG('g', 'p', 'm', 'd') },
6873 { AV_CODEC_ID_NONE , 0 },
6876 const AVCodecTag codec_ism_tags[] = {
6877 { AV_CODEC_ID_WMAPRO , MKTAG('w', 'm', 'a', ' ') },
6878 { AV_CODEC_ID_NONE , 0 },
6881 static const AVCodecTag codec_ipod_tags[] = {
6882 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
6883 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
6884 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
6885 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
6886 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
6887 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
6888 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
6889 { AV_CODEC_ID_NONE, 0 },
6892 static const AVCodecTag codec_f4v_tags[] = {
6893 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
6894 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
6895 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
6896 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
6897 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
6898 { AV_CODEC_ID_NONE, 0 },
6901 #if CONFIG_MOV_MUXER
6903 AVOutputFormat ff_mov_muxer = {
6905 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
6906 .extensions = "mov",
6907 .priv_data_size = sizeof(MOVMuxContext),
6908 .audio_codec = AV_CODEC_ID_AAC,
6909 .video_codec = CONFIG_LIBX264_ENCODER ?
6910 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
6912 .write_header = mov_write_header,
6913 .write_packet = mov_write_packet,
6914 .write_trailer = mov_write_trailer,
6916 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6917 .codec_tag = (const AVCodecTag* const []){
6918 ff_codec_movvideo_tags, ff_codec_movaudio_tags, ff_codec_movsubtitle_tags, 0
6920 .check_bitstream = mov_check_bitstream,
6921 .priv_class = &mov_muxer_class,
6924 #if CONFIG_TGP_MUXER
6926 AVOutputFormat ff_tgp_muxer = {
6928 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
6929 .extensions = "3gp",
6930 .priv_data_size = sizeof(MOVMuxContext),
6931 .audio_codec = AV_CODEC_ID_AMR_NB,
6932 .video_codec = AV_CODEC_ID_H263,
6934 .write_header = mov_write_header,
6935 .write_packet = mov_write_packet,
6936 .write_trailer = mov_write_trailer,
6938 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6939 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
6940 .check_bitstream = mov_check_bitstream,
6941 .priv_class = &tgp_muxer_class,
6944 #if CONFIG_MP4_MUXER
6946 AVOutputFormat ff_mp4_muxer = {
6948 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
6949 .mime_type = "video/mp4",
6950 .extensions = "mp4",
6951 .priv_data_size = sizeof(MOVMuxContext),
6952 .audio_codec = AV_CODEC_ID_AAC,
6953 .video_codec = CONFIG_LIBX264_ENCODER ?
6954 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
6956 .write_header = mov_write_header,
6957 .write_packet = mov_write_packet,
6958 .write_trailer = mov_write_trailer,
6960 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6961 .codec_tag = (const AVCodecTag* const []){ codec_mp4_tags, 0 },
6962 .check_bitstream = mov_check_bitstream,
6963 .priv_class = &mp4_muxer_class,
6966 #if CONFIG_PSP_MUXER
6968 AVOutputFormat ff_psp_muxer = {
6970 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
6971 .extensions = "mp4,psp",
6972 .priv_data_size = sizeof(MOVMuxContext),
6973 .audio_codec = AV_CODEC_ID_AAC,
6974 .video_codec = CONFIG_LIBX264_ENCODER ?
6975 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
6977 .write_header = mov_write_header,
6978 .write_packet = mov_write_packet,
6979 .write_trailer = mov_write_trailer,
6981 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6982 .codec_tag = (const AVCodecTag* const []){ codec_mp4_tags, 0 },
6983 .check_bitstream = mov_check_bitstream,
6984 .priv_class = &psp_muxer_class,
6987 #if CONFIG_TG2_MUXER
6989 AVOutputFormat ff_tg2_muxer = {
6991 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
6992 .extensions = "3g2",
6993 .priv_data_size = sizeof(MOVMuxContext),
6994 .audio_codec = AV_CODEC_ID_AMR_NB,
6995 .video_codec = AV_CODEC_ID_H263,
6997 .write_header = mov_write_header,
6998 .write_packet = mov_write_packet,
6999 .write_trailer = mov_write_trailer,
7001 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7002 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
7003 .check_bitstream = mov_check_bitstream,
7004 .priv_class = &tg2_muxer_class,
7007 #if CONFIG_IPOD_MUXER
7009 AVOutputFormat ff_ipod_muxer = {
7011 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
7012 .mime_type = "video/mp4",
7013 .extensions = "m4v,m4a,m4b",
7014 .priv_data_size = sizeof(MOVMuxContext),
7015 .audio_codec = AV_CODEC_ID_AAC,
7016 .video_codec = AV_CODEC_ID_H264,
7018 .write_header = mov_write_header,
7019 .write_packet = mov_write_packet,
7020 .write_trailer = mov_write_trailer,
7022 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7023 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
7024 .check_bitstream = mov_check_bitstream,
7025 .priv_class = &ipod_muxer_class,
7028 #if CONFIG_ISMV_MUXER
7030 AVOutputFormat ff_ismv_muxer = {
7032 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
7033 .mime_type = "video/mp4",
7034 .extensions = "ismv,isma",
7035 .priv_data_size = sizeof(MOVMuxContext),
7036 .audio_codec = AV_CODEC_ID_AAC,
7037 .video_codec = AV_CODEC_ID_H264,
7039 .write_header = mov_write_header,
7040 .write_packet = mov_write_packet,
7041 .write_trailer = mov_write_trailer,
7043 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7044 .codec_tag = (const AVCodecTag* const []){
7045 codec_mp4_tags, codec_ism_tags, 0 },
7046 .check_bitstream = mov_check_bitstream,
7047 .priv_class = &ismv_muxer_class,
7050 #if CONFIG_F4V_MUXER
7052 AVOutputFormat ff_f4v_muxer = {
7054 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
7055 .mime_type = "application/f4v",
7056 .extensions = "f4v",
7057 .priv_data_size = sizeof(MOVMuxContext),
7058 .audio_codec = AV_CODEC_ID_AAC,
7059 .video_codec = AV_CODEC_ID_H264,
7061 .write_header = mov_write_header,
7062 .write_packet = mov_write_packet,
7063 .write_trailer = mov_write_trailer,
7065 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
7066 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
7067 .check_bitstream = mov_check_bitstream,
7068 .priv_class = &f4v_muxer_class,