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_chan_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
776 uint32_t layout_tag, bitmap;
777 int64_t pos = avio_tell(pb);
779 layout_tag = ff_mov_get_channel_layout_tag(track->par->codec_id,
780 track->par->channel_layout,
783 av_log(s, AV_LOG_WARNING, "not writing 'chan' tag due to "
784 "lack of channel information\n");
788 if (track->multichannel_as_mono)
791 avio_wb32(pb, 0); // Size
792 ffio_wfourcc(pb, "chan"); // Type
793 avio_w8(pb, 0); // Version
794 avio_wb24(pb, 0); // Flags
795 avio_wb32(pb, layout_tag); // mChannelLayoutTag
796 avio_wb32(pb, bitmap); // mChannelBitmap
797 avio_wb32(pb, 0); // mNumberChannelDescriptions
799 return update_size(pb, pos);
802 static int mov_write_wave_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
804 int64_t pos = avio_tell(pb);
806 avio_wb32(pb, 0); /* size */
807 ffio_wfourcc(pb, "wave");
809 if (track->par->codec_id != AV_CODEC_ID_QDM2) {
810 avio_wb32(pb, 12); /* size */
811 ffio_wfourcc(pb, "frma");
812 avio_wl32(pb, track->tag);
815 if (track->par->codec_id == AV_CODEC_ID_AAC) {
816 /* useless atom needed by mplayer, ipod, not needed by quicktime */
817 avio_wb32(pb, 12); /* size */
818 ffio_wfourcc(pb, "mp4a");
820 mov_write_esds_tag(pb, track);
821 } else if (mov_pcm_le_gt16(track->par->codec_id)) {
822 mov_write_enda_tag(pb);
823 } else if (mov_pcm_be_gt16(track->par->codec_id)) {
824 mov_write_enda_tag_be(pb);
825 } else if (track->par->codec_id == AV_CODEC_ID_AMR_NB) {
826 mov_write_amr_tag(pb, track);
827 } else if (track->par->codec_id == AV_CODEC_ID_AC3) {
828 mov_write_ac3_tag(s, pb, track);
829 } else if (track->par->codec_id == AV_CODEC_ID_EAC3) {
830 mov_write_eac3_tag(s, pb, track);
831 } else if (track->par->codec_id == AV_CODEC_ID_ALAC ||
832 track->par->codec_id == AV_CODEC_ID_QDM2) {
833 mov_write_extradata_tag(pb, track);
834 } else if (track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
835 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
836 mov_write_ms_tag(s, pb, track);
839 avio_wb32(pb, 8); /* size */
840 avio_wb32(pb, 0); /* null tag */
842 return update_size(pb, pos);
845 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
848 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
849 int unescaped_size, seq_found = 0;
850 int level = 0, interlace = 0;
851 int packet_seq = track->vc1_info.packet_seq;
852 int packet_entry = track->vc1_info.packet_entry;
853 int slices = track->vc1_info.slices;
856 if (track->start_dts == AV_NOPTS_VALUE) {
857 /* No packets written yet, vc1_info isn't authoritative yet. */
858 /* Assume inline sequence and entry headers. */
859 packet_seq = packet_entry = 1;
860 av_log(NULL, AV_LOG_WARNING,
861 "moov atom written before any packets, unable to write correct "
862 "dvc1 atom. Set the delay_moov flag to fix this.\n");
865 unescaped = av_mallocz(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
867 return AVERROR(ENOMEM);
868 start = find_next_marker(track->vos_data, end);
869 for (next = start; next < end; start = next) {
872 next = find_next_marker(start + 4, end);
873 size = next - start - 4;
876 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
877 init_get_bits(&gb, unescaped, 8 * unescaped_size);
878 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
879 int profile = get_bits(&gb, 2);
880 if (profile != PROFILE_ADVANCED) {
882 return AVERROR(ENOSYS);
885 level = get_bits(&gb, 3);
886 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
888 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
889 skip_bits(&gb, 1); /* broadcast */
890 interlace = get_bits1(&gb);
891 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
896 return AVERROR(ENOSYS);
899 init_put_bits(&pbc, buf, 7);
900 /* VC1DecSpecStruc */
901 put_bits(&pbc, 4, 12); /* profile - advanced */
902 put_bits(&pbc, 3, level);
903 put_bits(&pbc, 1, 0); /* reserved */
904 /* VC1AdvDecSpecStruc */
905 put_bits(&pbc, 3, level);
906 put_bits(&pbc, 1, 0); /* cbr */
907 put_bits(&pbc, 6, 0); /* reserved */
908 put_bits(&pbc, 1, !interlace); /* no interlace */
909 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
910 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
911 put_bits(&pbc, 1, !slices); /* no slice code */
912 put_bits(&pbc, 1, 0); /* no bframe */
913 put_bits(&pbc, 1, 0); /* reserved */
916 if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0)
917 put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den);
919 put_bits32(&pbc, 0xffffffff);
921 flush_put_bits(&pbc);
928 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
930 uint8_t buf[7] = { 0 };
933 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
936 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
937 ffio_wfourcc(pb, "dvc1");
938 avio_write(pb, buf, sizeof(buf));
939 avio_write(pb, track->vos_data, track->vos_len);
944 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
946 avio_wb32(pb, track->vos_len + 8);
947 ffio_wfourcc(pb, "glbl");
948 avio_write(pb, track->vos_data, track->vos_len);
949 return 8 + track->vos_len;
953 * Compute flags for 'lpcm' tag.
954 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
956 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
959 case AV_CODEC_ID_PCM_F32BE:
960 case AV_CODEC_ID_PCM_F64BE:
962 case AV_CODEC_ID_PCM_F32LE:
963 case AV_CODEC_ID_PCM_F64LE:
965 case AV_CODEC_ID_PCM_U8:
967 case AV_CODEC_ID_PCM_S16BE:
968 case AV_CODEC_ID_PCM_S24BE:
969 case AV_CODEC_ID_PCM_S32BE:
971 case AV_CODEC_ID_PCM_S8:
972 case AV_CODEC_ID_PCM_S16LE:
973 case AV_CODEC_ID_PCM_S24LE:
974 case AV_CODEC_ID_PCM_S32LE:
981 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
985 if (cluster_idx >= track->entry)
988 if (cluster_idx + 1 == track->entry)
989 next_dts = track->track_duration + track->start_dts;
991 next_dts = track->cluster[cluster_idx + 1].dts;
993 next_dts -= track->cluster[cluster_idx].dts;
995 av_assert0(next_dts >= 0);
996 av_assert0(next_dts <= INT_MAX);
1001 static int get_samples_per_packet(MOVTrack *track)
1003 int i, first_duration;
1005 // return track->par->frame_size;
1007 /* use 1 for raw PCM */
1008 if (!track->audio_vbr)
1011 /* check to see if duration is constant for all clusters */
1014 first_duration = get_cluster_duration(track, 0);
1015 for (i = 1; i < track->entry; i++) {
1016 if (get_cluster_duration(track, i) != first_duration)
1019 return first_duration;
1022 static int mov_write_audio_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1024 int64_t pos = avio_tell(pb);
1026 uint32_t tag = track->tag;
1029 if (track->mode == MODE_MOV) {
1030 if (track->timescale > UINT16_MAX || !track->par->channels) {
1031 if (mov_get_lpcm_flags(track->par->codec_id))
1032 tag = AV_RL32("lpcm");
1034 } else if (track->audio_vbr || mov_pcm_le_gt16(track->par->codec_id) ||
1035 mov_pcm_be_gt16(track->par->codec_id) ||
1036 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
1037 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
1038 track->par->codec_id == AV_CODEC_ID_QDM2) {
1043 avio_wb32(pb, 0); /* size */
1044 if (mov->encryption_scheme != MOV_ENC_NONE) {
1045 ffio_wfourcc(pb, "enca");
1047 avio_wl32(pb, tag); // store it byteswapped
1049 avio_wb32(pb, 0); /* Reserved */
1050 avio_wb16(pb, 0); /* Reserved */
1051 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
1053 /* SoundDescription */
1054 avio_wb16(pb, version); /* Version */
1055 avio_wb16(pb, 0); /* Revision level */
1056 avio_wb32(pb, 0); /* Reserved */
1061 avio_wb16(pb, 0xfffe);
1063 avio_wb32(pb, 0x00010000);
1065 avio_wb64(pb, av_double2int(track->par->sample_rate));
1066 avio_wb32(pb, track->par->channels);
1067 avio_wb32(pb, 0x7F000000);
1068 avio_wb32(pb, av_get_bits_per_sample(track->par->codec_id));
1069 avio_wb32(pb, mov_get_lpcm_flags(track->par->codec_id));
1070 avio_wb32(pb, track->sample_size);
1071 avio_wb32(pb, get_samples_per_packet(track));
1073 if (track->mode == MODE_MOV) {
1074 avio_wb16(pb, track->par->channels);
1075 if (track->par->codec_id == AV_CODEC_ID_PCM_U8 ||
1076 track->par->codec_id == AV_CODEC_ID_PCM_S8)
1077 avio_wb16(pb, 8); /* bits per sample */
1078 else if (track->par->codec_id == AV_CODEC_ID_ADPCM_G726)
1079 avio_wb16(pb, track->par->bits_per_coded_sample);
1082 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
1083 } else { /* reserved for mp4/3gp */
1084 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
1085 track->par->codec_id == AV_CODEC_ID_ALAC ||
1086 track->par->codec_id == AV_CODEC_ID_OPUS) {
1087 avio_wb16(pb, track->par->channels);
1091 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
1092 track->par->codec_id == AV_CODEC_ID_ALAC) {
1093 avio_wb16(pb, track->par->bits_per_raw_sample);
1100 avio_wb16(pb, 0); /* packet size (= 0) */
1101 if (track->par->codec_id == AV_CODEC_ID_OPUS)
1102 avio_wb16(pb, 48000);
1104 avio_wb16(pb, track->par->sample_rate <= UINT16_MAX ?
1105 track->par->sample_rate : 0);
1106 avio_wb16(pb, 0); /* Reserved */
1109 if (version == 1) { /* SoundDescription V1 extended info */
1110 if (mov_pcm_le_gt16(track->par->codec_id) ||
1111 mov_pcm_be_gt16(track->par->codec_id))
1112 avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
1114 avio_wb32(pb, track->par->frame_size); /* Samples per packet */
1115 avio_wb32(pb, track->sample_size / track->par->channels); /* Bytes per packet */
1116 avio_wb32(pb, track->sample_size); /* Bytes per frame */
1117 avio_wb32(pb, 2); /* Bytes per sample */
1120 if (track->mode == MODE_MOV &&
1121 (track->par->codec_id == AV_CODEC_ID_AAC ||
1122 track->par->codec_id == AV_CODEC_ID_AC3 ||
1123 track->par->codec_id == AV_CODEC_ID_EAC3 ||
1124 track->par->codec_id == AV_CODEC_ID_AMR_NB ||
1125 track->par->codec_id == AV_CODEC_ID_ALAC ||
1126 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
1127 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
1128 track->par->codec_id == AV_CODEC_ID_QDM2 ||
1129 (mov_pcm_le_gt16(track->par->codec_id) && version==1) ||
1130 (mov_pcm_be_gt16(track->par->codec_id) && version==1)))
1131 ret = mov_write_wave_tag(s, pb, track);
1132 else if (track->tag == MKTAG('m','p','4','a'))
1133 ret = mov_write_esds_tag(pb, track);
1134 else if (track->par->codec_id == AV_CODEC_ID_AMR_NB)
1135 ret = mov_write_amr_tag(pb, track);
1136 else if (track->par->codec_id == AV_CODEC_ID_AC3)
1137 ret = mov_write_ac3_tag(s, pb, track);
1138 else if (track->par->codec_id == AV_CODEC_ID_EAC3)
1139 ret = mov_write_eac3_tag(s, pb, track);
1140 else if (track->par->codec_id == AV_CODEC_ID_ALAC)
1141 ret = mov_write_extradata_tag(pb, track);
1142 else if (track->par->codec_id == AV_CODEC_ID_WMAPRO)
1143 ret = mov_write_wfex_tag(s, pb, track);
1144 else if (track->par->codec_id == AV_CODEC_ID_FLAC)
1145 ret = mov_write_dfla_tag(pb, track);
1146 else if (track->par->codec_id == AV_CODEC_ID_OPUS)
1147 ret = mov_write_dops_tag(s, pb, track);
1148 else if (track->vos_len > 0)
1149 ret = mov_write_glbl_tag(pb, track);
1154 if (track->mode == MODE_MOV && track->par->codec_type == AVMEDIA_TYPE_AUDIO
1155 && ((ret = mov_write_chan_tag(s, pb, track)) < 0)) {
1159 if (mov->encryption_scheme != MOV_ENC_NONE
1160 && ((ret = ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid)) < 0)) {
1164 ret = update_size(pb, pos);
1168 static int mov_write_d263_tag(AVIOContext *pb)
1170 avio_wb32(pb, 0xf); /* size */
1171 ffio_wfourcc(pb, "d263");
1172 ffio_wfourcc(pb, "FFMP");
1173 avio_w8(pb, 0); /* decoder version */
1174 /* FIXME use AVCodecContext level/profile, when encoder will set values */
1175 avio_w8(pb, 0xa); /* level */
1176 avio_w8(pb, 0); /* profile */
1180 static int mov_write_av1c_tag(AVIOContext *pb, MOVTrack *track)
1182 int64_t pos = avio_tell(pb);
1185 ffio_wfourcc(pb, "av1C");
1186 ff_isom_write_av1c(pb, track->vos_data, track->vos_len);
1187 return update_size(pb, pos);
1190 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
1192 int64_t pos = avio_tell(pb);
1195 ffio_wfourcc(pb, "avcC");
1196 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
1197 return update_size(pb, pos);
1200 static int mov_write_vpcc_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
1202 int64_t pos = avio_tell(pb);
1205 ffio_wfourcc(pb, "vpcC");
1206 avio_w8(pb, 1); /* version */
1207 avio_wb24(pb, 0); /* flags */
1208 ff_isom_write_vpcc(s, pb, track->par);
1209 return update_size(pb, pos);
1212 static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
1214 int64_t pos = avio_tell(pb);
1217 ffio_wfourcc(pb, "hvcC");
1218 if (track->tag == MKTAG('h','v','c','1'))
1219 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 1);
1221 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
1222 return update_size(pb, pos);
1225 /* also used by all avid codecs (dv, imx, meridien) and their variants */
1226 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
1231 int display_width = track->par->width;
1233 if (track->vos_data && track->vos_len > 0x29) {
1234 if (ff_dnxhd_parse_header_prefix(track->vos_data) != 0) {
1235 /* looks like a DNxHD bit stream */
1236 interlaced = (track->vos_data[5] & 2);
1237 cid = AV_RB32(track->vos_data + 0x28);
1239 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream in vos_data\n");
1243 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream, vos_data too small\n");
1247 avio_wb32(pb, 24); /* size */
1248 ffio_wfourcc(pb, "ACLR");
1249 ffio_wfourcc(pb, "ACLR");
1250 ffio_wfourcc(pb, "0001");
1251 if (track->par->color_range == AVCOL_RANGE_MPEG || /* Legal range (16-235) */
1252 track->par->color_range == AVCOL_RANGE_UNSPECIFIED) {
1253 avio_wb32(pb, 1); /* Corresponds to 709 in official encoder */
1254 } else { /* Full range (0-255) */
1255 avio_wb32(pb, 2); /* Corresponds to RGB in official encoder */
1257 avio_wb32(pb, 0); /* unknown */
1259 if (track->tag == MKTAG('A','V','d','h')) {
1261 ffio_wfourcc(pb, "ADHR");
1262 ffio_wfourcc(pb, "0001");
1264 avio_wb32(pb, 0); /* unknown */
1265 avio_wb32(pb, 1); /* unknown */
1266 avio_wb32(pb, 0); /* unknown */
1267 avio_wb32(pb, 0); /* unknown */
1271 avio_wb32(pb, 24); /* size */
1272 ffio_wfourcc(pb, "APRG");
1273 ffio_wfourcc(pb, "APRG");
1274 ffio_wfourcc(pb, "0001");
1275 avio_wb32(pb, 1); /* unknown */
1276 avio_wb32(pb, 0); /* unknown */
1278 avio_wb32(pb, 120); /* size */
1279 ffio_wfourcc(pb, "ARES");
1280 ffio_wfourcc(pb, "ARES");
1281 ffio_wfourcc(pb, "0001");
1282 avio_wb32(pb, cid); /* dnxhd cid, some id ? */
1283 if ( track->par->sample_aspect_ratio.num > 0
1284 && track->par->sample_aspect_ratio.den > 0)
1285 display_width = display_width * track->par->sample_aspect_ratio.num / track->par->sample_aspect_ratio.den;
1286 avio_wb32(pb, display_width);
1287 /* values below are based on samples created with quicktime and avid codecs */
1289 avio_wb32(pb, track->par->height / 2);
1290 avio_wb32(pb, 2); /* unknown */
1291 avio_wb32(pb, 0); /* unknown */
1292 avio_wb32(pb, 4); /* unknown */
1294 avio_wb32(pb, track->par->height);
1295 avio_wb32(pb, 1); /* unknown */
1296 avio_wb32(pb, 0); /* unknown */
1297 if (track->par->height == 1080)
1298 avio_wb32(pb, 5); /* unknown */
1300 avio_wb32(pb, 6); /* unknown */
1303 for (i = 0; i < 10; i++)
1309 static int mov_write_dpxe_tag(AVIOContext *pb, MOVTrack *track)
1312 ffio_wfourcc(pb, "DpxE");
1313 if (track->par->extradata_size >= 12 &&
1314 !memcmp(&track->par->extradata[4], "DpxE", 4)) {
1315 avio_wb32(pb, track->par->extradata[11]);
1322 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
1326 if (track->par->width == 720) { /* SD */
1327 if (track->par->height == 480) { /* NTSC */
1328 if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
1329 else tag = MKTAG('d','v','c',' ');
1330 }else if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
1331 else if (track->par->format == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
1332 else tag = MKTAG('d','v','p','p');
1333 } else if (track->par->height == 720) { /* HD 720 line */
1334 if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q');
1335 else tag = MKTAG('d','v','h','p');
1336 } else if (track->par->height == 1080) { /* HD 1080 line */
1337 if (track->st->time_base.den == 25) tag = MKTAG('d','v','h','5');
1338 else tag = MKTAG('d','v','h','6');
1340 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
1347 static AVRational find_fps(AVFormatContext *s, AVStream *st)
1349 AVRational rate = st->avg_frame_rate;
1351 #if FF_API_LAVF_AVCTX
1352 FF_DISABLE_DEPRECATION_WARNINGS
1353 rate = av_inv_q(st->codec->time_base);
1354 if (av_timecode_check_frame_rate(rate) < 0) {
1355 av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
1356 rate.num, rate.den, st->avg_frame_rate.num, st->avg_frame_rate.den);
1357 rate = st->avg_frame_rate;
1359 FF_ENABLE_DEPRECATION_WARNINGS
1365 static int defined_frame_rate(AVFormatContext *s, AVStream *st)
1367 AVRational rational_framerate = find_fps(s, st);
1369 if (rational_framerate.den != 0)
1370 rate = av_q2d(rational_framerate);
1374 static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext *s, MOVTrack *track)
1376 int tag = track->par->codec_tag;
1377 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1378 AVStream *st = track->st;
1379 int rate = defined_frame_rate(s, st);
1382 tag = MKTAG('m', '2', 'v', '1'); //fallback tag
1384 if (track->par->format == AV_PIX_FMT_YUV420P) {
1385 if (track->par->width == 1280 && track->par->height == 720) {
1387 if (rate == 24) tag = MKTAG('x','d','v','4');
1388 else if (rate == 25) tag = MKTAG('x','d','v','5');
1389 else if (rate == 30) tag = MKTAG('x','d','v','1');
1390 else if (rate == 50) tag = MKTAG('x','d','v','a');
1391 else if (rate == 60) tag = MKTAG('x','d','v','9');
1393 } else if (track->par->width == 1440 && track->par->height == 1080) {
1395 if (rate == 24) tag = MKTAG('x','d','v','6');
1396 else if (rate == 25) tag = MKTAG('x','d','v','7');
1397 else if (rate == 30) tag = MKTAG('x','d','v','8');
1399 if (rate == 25) tag = MKTAG('x','d','v','3');
1400 else if (rate == 30) tag = MKTAG('x','d','v','2');
1402 } else if (track->par->width == 1920 && track->par->height == 1080) {
1404 if (rate == 24) tag = MKTAG('x','d','v','d');
1405 else if (rate == 25) tag = MKTAG('x','d','v','e');
1406 else if (rate == 30) tag = MKTAG('x','d','v','f');
1408 if (rate == 25) tag = MKTAG('x','d','v','c');
1409 else if (rate == 30) tag = MKTAG('x','d','v','b');
1412 } else if (track->par->format == AV_PIX_FMT_YUV422P) {
1413 if (track->par->width == 1280 && track->par->height == 720) {
1415 if (rate == 24) tag = MKTAG('x','d','5','4');
1416 else if (rate == 25) tag = MKTAG('x','d','5','5');
1417 else if (rate == 30) tag = MKTAG('x','d','5','1');
1418 else if (rate == 50) tag = MKTAG('x','d','5','a');
1419 else if (rate == 60) tag = MKTAG('x','d','5','9');
1421 } else if (track->par->width == 1920 && track->par->height == 1080) {
1423 if (rate == 24) tag = MKTAG('x','d','5','d');
1424 else if (rate == 25) tag = MKTAG('x','d','5','e');
1425 else if (rate == 30) tag = MKTAG('x','d','5','f');
1427 if (rate == 25) tag = MKTAG('x','d','5','c');
1428 else if (rate == 30) tag = MKTAG('x','d','5','b');
1436 static int mov_get_h264_codec_tag(AVFormatContext *s, MOVTrack *track)
1438 int tag = track->par->codec_tag;
1439 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1440 AVStream *st = track->st;
1441 int rate = defined_frame_rate(s, st);
1444 tag = MKTAG('a', 'v', 'c', 'i'); //fallback tag
1446 if (track->par->format == AV_PIX_FMT_YUV420P10) {
1447 if (track->par->width == 960 && track->par->height == 720) {
1449 if (rate == 24) tag = MKTAG('a','i','5','p');
1450 else if (rate == 25) tag = MKTAG('a','i','5','q');
1451 else if (rate == 30) tag = MKTAG('a','i','5','p');
1452 else if (rate == 50) tag = MKTAG('a','i','5','q');
1453 else if (rate == 60) tag = MKTAG('a','i','5','p');
1455 } else if (track->par->width == 1440 && track->par->height == 1080) {
1457 if (rate == 24) tag = MKTAG('a','i','5','3');
1458 else if (rate == 25) tag = MKTAG('a','i','5','2');
1459 else if (rate == 30) tag = MKTAG('a','i','5','3');
1461 if (rate == 50) tag = MKTAG('a','i','5','5');
1462 else if (rate == 60) tag = MKTAG('a','i','5','6');
1465 } else if (track->par->format == AV_PIX_FMT_YUV422P10) {
1466 if (track->par->width == 1280 && track->par->height == 720) {
1468 if (rate == 24) tag = MKTAG('a','i','1','p');
1469 else if (rate == 25) tag = MKTAG('a','i','1','q');
1470 else if (rate == 30) tag = MKTAG('a','i','1','p');
1471 else if (rate == 50) tag = MKTAG('a','i','1','q');
1472 else if (rate == 60) tag = MKTAG('a','i','1','p');
1474 } else if (track->par->width == 1920 && track->par->height == 1080) {
1476 if (rate == 24) tag = MKTAG('a','i','1','3');
1477 else if (rate == 25) tag = MKTAG('a','i','1','2');
1478 else if (rate == 30) tag = MKTAG('a','i','1','3');
1480 if (rate == 25) tag = MKTAG('a','i','1','5');
1481 else if (rate == 50) tag = MKTAG('a','i','1','5');
1482 else if (rate == 60) tag = MKTAG('a','i','1','6');
1484 } else if ( track->par->width == 4096 && track->par->height == 2160
1485 || track->par->width == 3840 && track->par->height == 2160
1486 || track->par->width == 2048 && track->par->height == 1080) {
1487 tag = MKTAG('a','i','v','x');
1494 static const struct {
1495 enum AVPixelFormat pix_fmt;
1498 } mov_pix_fmt_tags[] = {
1499 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
1500 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
1501 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
1502 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
1503 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
1504 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
1505 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
1506 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
1507 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
1508 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
1509 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
1510 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
1511 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
1512 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
1513 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
1516 static int mov_get_dnxhd_codec_tag(AVFormatContext *s, MOVTrack *track)
1518 int tag = MKTAG('A','V','d','n');
1519 if (track->par->profile != FF_PROFILE_UNKNOWN &&
1520 track->par->profile != FF_PROFILE_DNXHD)
1521 tag = MKTAG('A','V','d','h');
1525 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
1527 int tag = track->par->codec_tag;
1529 enum AVPixelFormat pix_fmt;
1531 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
1532 if (track->par->format == mov_pix_fmt_tags[i].pix_fmt) {
1533 tag = mov_pix_fmt_tags[i].tag;
1534 track->par->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
1535 if (track->par->codec_tag == mov_pix_fmt_tags[i].tag)
1540 pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_mov,
1541 track->par->bits_per_coded_sample);
1542 if (tag == MKTAG('r','a','w',' ') &&
1543 track->par->format != pix_fmt &&
1544 track->par->format != AV_PIX_FMT_GRAY8 &&
1545 track->par->format != AV_PIX_FMT_NONE)
1546 av_log(s, AV_LOG_ERROR, "%s rawvideo cannot be written to mov, output file will be unreadable\n",
1547 av_get_pix_fmt_name(track->par->format));
1551 static unsigned int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1553 unsigned int tag = track->par->codec_tag;
1555 if (!tag || (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
1556 (track->par->codec_id == AV_CODEC_ID_DVVIDEO ||
1557 track->par->codec_id == AV_CODEC_ID_RAWVIDEO ||
1558 track->par->codec_id == AV_CODEC_ID_H263 ||
1559 track->par->codec_id == AV_CODEC_ID_H264 ||
1560 track->par->codec_id == AV_CODEC_ID_DNXHD ||
1561 track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
1562 av_get_bits_per_sample(track->par->codec_id)))) { // pcm audio
1563 if (track->par->codec_id == AV_CODEC_ID_DVVIDEO)
1564 tag = mov_get_dv_codec_tag(s, track);
1565 else if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO)
1566 tag = mov_get_rawvideo_codec_tag(s, track);
1567 else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO)
1568 tag = mov_get_mpeg2_xdcam_codec_tag(s, track);
1569 else if (track->par->codec_id == AV_CODEC_ID_H264)
1570 tag = mov_get_h264_codec_tag(s, track);
1571 else if (track->par->codec_id == AV_CODEC_ID_DNXHD)
1572 tag = mov_get_dnxhd_codec_tag(s, track);
1573 else if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
1574 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->par->codec_id);
1575 if (!tag) { // if no mac fcc found, try with Microsoft tags
1576 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->par->codec_id);
1578 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
1579 "the file may be unplayable!\n");
1581 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
1582 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->par->codec_id);
1583 if (!tag) { // if no mac fcc found, try with Microsoft tags
1584 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->par->codec_id);
1586 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
1587 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
1588 "the file may be unplayable!\n");
1591 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
1592 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->par->codec_id);
1598 static const AVCodecTag codec_cover_image_tags[] = {
1599 { AV_CODEC_ID_MJPEG, 0xD },
1600 { AV_CODEC_ID_PNG, 0xE },
1601 { AV_CODEC_ID_BMP, 0x1B },
1602 { AV_CODEC_ID_NONE, 0 },
1605 static unsigned int validate_codec_tag(const AVCodecTag *const *tags,
1606 unsigned int tag, int codec_id)
1611 * Check that tag + id is in the table
1613 for (i = 0; tags && tags[i]; i++) {
1614 const AVCodecTag *codec_tags = tags[i];
1615 while (codec_tags->id != AV_CODEC_ID_NONE) {
1616 if (avpriv_toupper4(codec_tags->tag) == avpriv_toupper4(tag) &&
1617 codec_tags->id == codec_id)
1618 return codec_tags->tag;
1625 static unsigned int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
1627 if (is_cover_image(track->st))
1628 return ff_codec_get_tag(codec_cover_image_tags, track->par->codec_id);
1630 if (track->mode == MODE_IPOD)
1631 if (!av_match_ext(s->url, "m4a") &&
1632 !av_match_ext(s->url, "m4v") &&
1633 !av_match_ext(s->url, "m4b"))
1634 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
1635 "Quicktime/Ipod might not play the file\n");
1637 if (track->mode == MODE_MOV) {
1638 return mov_get_codec_tag(s, track);
1640 return validate_codec_tag(s->oformat->codec_tag, track->par->codec_tag,
1641 track->par->codec_id);
1644 /** Write uuid atom.
1645 * Needed to make file play in iPods running newest firmware
1646 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1648 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1651 ffio_wfourcc(pb, "uuid");
1652 avio_wb32(pb, 0x6b6840f2);
1653 avio_wb32(pb, 0x5f244fc5);
1654 avio_wb32(pb, 0xba39a51b);
1655 avio_wb32(pb, 0xcf0323f3);
1660 static const uint16_t fiel_data[] = {
1661 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1664 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track, int field_order)
1666 unsigned mov_field_order = 0;
1667 if (field_order < FF_ARRAY_ELEMS(fiel_data))
1668 mov_field_order = fiel_data[field_order];
1672 ffio_wfourcc(pb, "fiel");
1673 avio_wb16(pb, mov_field_order);
1677 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1679 int64_t pos = avio_tell(pb);
1680 avio_wb32(pb, 0); /* size */
1681 avio_wl32(pb, track->tag); // store it byteswapped
1682 avio_wb32(pb, 0); /* Reserved */
1683 avio_wb16(pb, 0); /* Reserved */
1684 avio_wb16(pb, 1); /* Data-reference index */
1686 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
1687 mov_write_esds_tag(pb, track);
1688 else if (track->par->extradata_size)
1689 avio_write(pb, track->par->extradata, track->par->extradata_size);
1691 return update_size(pb, pos);
1694 static int mov_write_st3d_tag(AVFormatContext *s, AVIOContext *pb, AVStereo3D *stereo_3d)
1698 if (stereo_3d->flags != 0) {
1699 av_log(s, AV_LOG_WARNING, "Unsupported stereo_3d flags %x. st3d not written.\n", stereo_3d->flags);
1703 switch (stereo_3d->type) {
1704 case AV_STEREO3D_2D:
1707 case AV_STEREO3D_TOPBOTTOM:
1710 case AV_STEREO3D_SIDEBYSIDE:
1714 av_log(s, AV_LOG_WARNING, "Unsupported stereo_3d type %s. st3d not written.\n", av_stereo3d_type_name(stereo_3d->type));
1717 avio_wb32(pb, 13); /* size */
1718 ffio_wfourcc(pb, "st3d");
1719 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1720 avio_w8(pb, stereo_mode);
1724 static int mov_write_sv3d_tag(AVFormatContext *s, AVIOContext *pb, AVSphericalMapping *spherical_mapping)
1726 int64_t sv3d_pos, svhd_pos, proj_pos;
1727 const char* metadata_source = s->flags & AVFMT_FLAG_BITEXACT ? "Lavf" : LIBAVFORMAT_IDENT;
1729 if (spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR &&
1730 spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR_TILE &&
1731 spherical_mapping->projection != AV_SPHERICAL_CUBEMAP) {
1732 av_log(s, AV_LOG_WARNING, "Unsupported projection %d. sv3d not written.\n", spherical_mapping->projection);
1736 sv3d_pos = avio_tell(pb);
1737 avio_wb32(pb, 0); /* size */
1738 ffio_wfourcc(pb, "sv3d");
1740 svhd_pos = avio_tell(pb);
1741 avio_wb32(pb, 0); /* size */
1742 ffio_wfourcc(pb, "svhd");
1743 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1744 avio_put_str(pb, metadata_source);
1745 update_size(pb, svhd_pos);
1747 proj_pos = avio_tell(pb);
1748 avio_wb32(pb, 0); /* size */
1749 ffio_wfourcc(pb, "proj");
1751 avio_wb32(pb, 24); /* size */
1752 ffio_wfourcc(pb, "prhd");
1753 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1754 avio_wb32(pb, spherical_mapping->yaw);
1755 avio_wb32(pb, spherical_mapping->pitch);
1756 avio_wb32(pb, spherical_mapping->roll);
1758 switch (spherical_mapping->projection) {
1759 case AV_SPHERICAL_EQUIRECTANGULAR:
1760 case AV_SPHERICAL_EQUIRECTANGULAR_TILE:
1761 avio_wb32(pb, 28); /* size */
1762 ffio_wfourcc(pb, "equi");
1763 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1764 avio_wb32(pb, spherical_mapping->bound_top);
1765 avio_wb32(pb, spherical_mapping->bound_bottom);
1766 avio_wb32(pb, spherical_mapping->bound_left);
1767 avio_wb32(pb, spherical_mapping->bound_right);
1769 case AV_SPHERICAL_CUBEMAP:
1770 avio_wb32(pb, 20); /* size */
1771 ffio_wfourcc(pb, "cbmp");
1772 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1773 avio_wb32(pb, 0); /* layout */
1774 avio_wb32(pb, spherical_mapping->padding); /* padding */
1777 update_size(pb, proj_pos);
1779 return update_size(pb, sv3d_pos);
1782 static int mov_write_clap_tag(AVIOContext *pb, MOVTrack *track)
1785 ffio_wfourcc(pb, "clap");
1786 avio_wb32(pb, track->par->width); /* apertureWidth_N */
1787 avio_wb32(pb, 1); /* apertureWidth_D (= 1) */
1788 avio_wb32(pb, track->height); /* apertureHeight_N */
1789 avio_wb32(pb, 1); /* apertureHeight_D (= 1) */
1790 avio_wb32(pb, 0); /* horizOff_N (= 0) */
1791 avio_wb32(pb, 1); /* horizOff_D (= 1) */
1792 avio_wb32(pb, 0); /* vertOff_N (= 0) */
1793 avio_wb32(pb, 1); /* vertOff_D (= 1) */
1797 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1800 av_reduce(&sar.num, &sar.den, track->par->sample_aspect_ratio.num,
1801 track->par->sample_aspect_ratio.den, INT_MAX);
1804 ffio_wfourcc(pb, "pasp");
1805 avio_wb32(pb, sar.num);
1806 avio_wb32(pb, sar.den);
1810 static int mov_write_gama_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track, double gamma)
1814 gamma = avpriv_get_gamma_from_trc(track->par->color_trc);
1816 av_log(s, AV_LOG_DEBUG, "gamma value %g\n", gamma);
1819 gama = (uint32_t)lrint((double)(1<<16) * gamma);
1820 av_log(s, AV_LOG_DEBUG, "writing gama value %"PRId32"\n", gama);
1822 av_assert0(track->mode == MODE_MOV);
1824 ffio_wfourcc(pb, "gama");
1825 avio_wb32(pb, gama);
1828 av_log(s, AV_LOG_WARNING, "gamma value unknown, unable to write gama atom\n");
1833 static int mov_write_colr_tag(AVIOContext *pb, MOVTrack *track)
1835 // Ref (MOV): https://developer.apple.com/library/mac/technotes/tn2162/_index.html#//apple_ref/doc/uid/DTS40013070-CH1-TNTAG9
1836 // Ref (MP4): ISO/IEC 14496-12:2012
1838 if (track->par->color_primaries == AVCOL_PRI_UNSPECIFIED &&
1839 track->par->color_trc == AVCOL_TRC_UNSPECIFIED &&
1840 track->par->color_space == AVCOL_SPC_UNSPECIFIED) {
1841 if ((track->par->width >= 1920 && track->par->height >= 1080)
1842 || (track->par->width == 1280 && track->par->height == 720)) {
1843 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming bt709\n");
1844 track->par->color_primaries = AVCOL_PRI_BT709;
1845 } else if (track->par->width == 720 && track->height == 576) {
1846 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming bt470bg\n");
1847 track->par->color_primaries = AVCOL_PRI_BT470BG;
1848 } else if (track->par->width == 720 &&
1849 (track->height == 486 || track->height == 480)) {
1850 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming smpte170\n");
1851 track->par->color_primaries = AVCOL_PRI_SMPTE170M;
1853 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, unable to assume anything\n");
1855 switch (track->par->color_primaries) {
1856 case AVCOL_PRI_BT709:
1857 track->par->color_trc = AVCOL_TRC_BT709;
1858 track->par->color_space = AVCOL_SPC_BT709;
1860 case AVCOL_PRI_SMPTE170M:
1861 case AVCOL_PRI_BT470BG:
1862 track->par->color_trc = AVCOL_TRC_BT709;
1863 track->par->color_space = AVCOL_SPC_SMPTE170M;
1868 /* We should only ever be called by MOV or MP4. */
1869 av_assert0(track->mode == MODE_MOV || track->mode == MODE_MP4);
1871 avio_wb32(pb, 18 + (track->mode == MODE_MP4));
1872 ffio_wfourcc(pb, "colr");
1873 if (track->mode == MODE_MP4)
1874 ffio_wfourcc(pb, "nclx");
1876 ffio_wfourcc(pb, "nclc");
1877 switch (track->par->color_primaries) {
1878 case AVCOL_PRI_BT709: avio_wb16(pb, 1); break;
1879 case AVCOL_PRI_BT470BG: avio_wb16(pb, 5); break;
1880 case AVCOL_PRI_SMPTE170M:
1881 case AVCOL_PRI_SMPTE240M: avio_wb16(pb, 6); break;
1882 case AVCOL_PRI_BT2020: avio_wb16(pb, 9); break;
1883 case AVCOL_PRI_SMPTE431: avio_wb16(pb, 11); break;
1884 case AVCOL_PRI_SMPTE432: avio_wb16(pb, 12); break;
1885 default: avio_wb16(pb, 2);
1887 switch (track->par->color_trc) {
1888 case AVCOL_TRC_BT709: avio_wb16(pb, 1); break;
1889 case AVCOL_TRC_SMPTE170M: avio_wb16(pb, 1); break; // remapped
1890 case AVCOL_TRC_SMPTE240M: avio_wb16(pb, 7); break;
1891 case AVCOL_TRC_SMPTEST2084: avio_wb16(pb, 16); break;
1892 case AVCOL_TRC_SMPTE428: avio_wb16(pb, 17); break;
1893 case AVCOL_TRC_ARIB_STD_B67: avio_wb16(pb, 18); break;
1894 default: avio_wb16(pb, 2);
1896 switch (track->par->color_space) {
1897 case AVCOL_SPC_BT709: avio_wb16(pb, 1); break;
1898 case AVCOL_SPC_BT470BG:
1899 case AVCOL_SPC_SMPTE170M: avio_wb16(pb, 6); break;
1900 case AVCOL_SPC_SMPTE240M: avio_wb16(pb, 7); break;
1901 case AVCOL_SPC_BT2020_NCL: avio_wb16(pb, 9); break;
1902 default: avio_wb16(pb, 2);
1905 if (track->mode == MODE_MP4) {
1906 int full_range = track->par->color_range == AVCOL_RANGE_JPEG;
1907 avio_w8(pb, full_range << 7);
1914 static void find_compressor(char * compressor_name, int len, MOVTrack *track)
1916 AVDictionaryEntry *encoder;
1917 int xdcam_res = (track->par->width == 1280 && track->par->height == 720)
1918 || (track->par->width == 1440 && track->par->height == 1080)
1919 || (track->par->width == 1920 && track->par->height == 1080);
1921 if (track->mode == MODE_MOV &&
1922 (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0))) {
1923 av_strlcpy(compressor_name, encoder->value, 32);
1924 } else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) {
1925 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1926 AVStream *st = track->st;
1927 int rate = defined_frame_rate(NULL, st);
1928 av_strlcatf(compressor_name, len, "XDCAM");
1929 if (track->par->format == AV_PIX_FMT_YUV422P) {
1930 av_strlcatf(compressor_name, len, " HD422");
1931 } else if(track->par->width == 1440) {
1932 av_strlcatf(compressor_name, len, " HD");
1934 av_strlcatf(compressor_name, len, " EX");
1936 av_strlcatf(compressor_name, len, " %d%c", track->par->height, interlaced ? 'i' : 'p');
1938 av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1));
1942 static int mov_write_video_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1944 int64_t pos = avio_tell(pb);
1945 char compressor_name[32] = { 0 };
1948 int uncompressed_ycbcr = ((track->par->codec_id == AV_CODEC_ID_RAWVIDEO && track->par->format == AV_PIX_FMT_UYVY422)
1949 || (track->par->codec_id == AV_CODEC_ID_RAWVIDEO && track->par->format == AV_PIX_FMT_YUYV422)
1950 || track->par->codec_id == AV_CODEC_ID_V308
1951 || track->par->codec_id == AV_CODEC_ID_V408
1952 || track->par->codec_id == AV_CODEC_ID_V410
1953 || track->par->codec_id == AV_CODEC_ID_V210);
1955 avio_wb32(pb, 0); /* size */
1956 if (mov->encryption_scheme != MOV_ENC_NONE) {
1957 ffio_wfourcc(pb, "encv");
1959 avio_wl32(pb, track->tag); // store it byteswapped
1961 avio_wb32(pb, 0); /* Reserved */
1962 avio_wb16(pb, 0); /* Reserved */
1963 avio_wb16(pb, 1); /* Data-reference index */
1965 if (uncompressed_ycbcr) {
1966 avio_wb16(pb, 2); /* Codec stream version */
1968 avio_wb16(pb, 0); /* Codec stream version */
1970 avio_wb16(pb, 0); /* Codec stream revision (=0) */
1971 if (track->mode == MODE_MOV) {
1972 ffio_wfourcc(pb, "FFMP"); /* Vendor */
1973 if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO || uncompressed_ycbcr) {
1974 avio_wb32(pb, 0); /* Temporal Quality */
1975 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1977 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1978 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1981 avio_wb32(pb, 0); /* Reserved */
1982 avio_wb32(pb, 0); /* Reserved */
1983 avio_wb32(pb, 0); /* Reserved */
1985 avio_wb16(pb, track->par->width); /* Video width */
1986 avio_wb16(pb, track->height); /* Video height */
1987 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1988 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1989 avio_wb32(pb, 0); /* Data size (= 0) */
1990 avio_wb16(pb, 1); /* Frame count (= 1) */
1992 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1993 find_compressor(compressor_name, 32, track);
1994 avio_w8(pb, strlen(compressor_name));
1995 avio_write(pb, compressor_name, 31);
1997 if (track->mode == MODE_MOV &&
1998 (track->par->codec_id == AV_CODEC_ID_V410 || track->par->codec_id == AV_CODEC_ID_V210))
1999 avio_wb16(pb, 0x18);
2000 else if (track->mode == MODE_MOV && track->par->bits_per_coded_sample)
2001 avio_wb16(pb, track->par->bits_per_coded_sample |
2002 (track->par->format == AV_PIX_FMT_GRAY8 ? 0x20 : 0));
2004 avio_wb16(pb, 0x18); /* Reserved */
2006 if (track->mode == MODE_MOV && track->par->format == AV_PIX_FMT_PAL8) {
2007 int pal_size = 1 << track->par->bits_per_coded_sample;
2009 avio_wb16(pb, 0); /* Color table ID */
2010 avio_wb32(pb, 0); /* Color table seed */
2011 avio_wb16(pb, 0x8000); /* Color table flags */
2012 avio_wb16(pb, pal_size - 1); /* Color table size (zero-relative) */
2013 for (i = 0; i < pal_size; i++) {
2014 uint32_t rgb = track->palette[i];
2015 uint16_t r = (rgb >> 16) & 0xff;
2016 uint16_t g = (rgb >> 8) & 0xff;
2017 uint16_t b = rgb & 0xff;
2019 avio_wb16(pb, (r << 8) | r);
2020 avio_wb16(pb, (g << 8) | g);
2021 avio_wb16(pb, (b << 8) | b);
2024 avio_wb16(pb, 0xffff); /* Reserved */
2026 if (track->tag == MKTAG('m','p','4','v'))
2027 mov_write_esds_tag(pb, track);
2028 else if (track->par->codec_id == AV_CODEC_ID_H263)
2029 mov_write_d263_tag(pb);
2030 else if (track->par->codec_id == AV_CODEC_ID_AVUI ||
2031 track->par->codec_id == AV_CODEC_ID_SVQ3) {
2032 mov_write_extradata_tag(pb, track);
2034 } else if (track->par->codec_id == AV_CODEC_ID_DNXHD) {
2035 mov_write_avid_tag(pb, track);
2037 } else if (track->par->codec_id == AV_CODEC_ID_HEVC)
2038 mov_write_hvcc_tag(pb, track);
2039 else if (track->par->codec_id == AV_CODEC_ID_H264 && !TAG_IS_AVCI(track->tag)) {
2040 mov_write_avcc_tag(pb, track);
2041 if (track->mode == MODE_IPOD)
2042 mov_write_uuid_tag_ipod(pb);
2043 } else if (track->par->codec_id == AV_CODEC_ID_VP9) {
2044 mov_write_vpcc_tag(mov->fc, pb, track);
2045 } else if (track->par->codec_id == AV_CODEC_ID_AV1) {
2046 mov_write_av1c_tag(pb, track);
2047 } else if (track->par->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
2048 mov_write_dvc1_tag(pb, track);
2049 else if (track->par->codec_id == AV_CODEC_ID_VP6F ||
2050 track->par->codec_id == AV_CODEC_ID_VP6A) {
2051 /* Don't write any potential extradata here - the cropping
2052 * is signalled via the normal width/height fields. */
2053 } else if (track->par->codec_id == AV_CODEC_ID_R10K) {
2054 if (track->par->codec_tag == MKTAG('R','1','0','k'))
2055 mov_write_dpxe_tag(pb, track);
2056 } else if (track->vos_len > 0)
2057 mov_write_glbl_tag(pb, track);
2059 if (track->par->codec_id != AV_CODEC_ID_H264 &&
2060 track->par->codec_id != AV_CODEC_ID_MPEG4 &&
2061 track->par->codec_id != AV_CODEC_ID_DNXHD) {
2062 int field_order = track->par->field_order;
2064 #if FF_API_LAVF_AVCTX
2065 FF_DISABLE_DEPRECATION_WARNINGS
2066 if (field_order != track->st->codec->field_order && track->st->codec->field_order != AV_FIELD_UNKNOWN)
2067 field_order = track->st->codec->field_order;
2068 FF_ENABLE_DEPRECATION_WARNINGS
2071 if (field_order != AV_FIELD_UNKNOWN)
2072 mov_write_fiel_tag(pb, track, field_order);
2075 if (mov->flags & FF_MOV_FLAG_WRITE_GAMA) {
2076 if (track->mode == MODE_MOV)
2077 mov_write_gama_tag(s, pb, track, mov->gamma);
2079 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'gama' atom. Format is not MOV.\n");
2081 if (mov->flags & FF_MOV_FLAG_WRITE_COLR) {
2082 if (track->mode == MODE_MOV || track->mode == MODE_MP4)
2083 mov_write_colr_tag(pb, track);
2085 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'colr' atom. Format is not MOV or MP4.\n");
2088 if (track->mode == MODE_MP4 && mov->fc->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
2089 AVStereo3D* stereo_3d = (AVStereo3D*) av_stream_get_side_data(track->st, AV_PKT_DATA_STEREO3D, NULL);
2090 AVSphericalMapping* spherical_mapping = (AVSphericalMapping*)av_stream_get_side_data(track->st, AV_PKT_DATA_SPHERICAL, NULL);
2093 mov_write_st3d_tag(s, pb, stereo_3d);
2094 if (spherical_mapping)
2095 mov_write_sv3d_tag(mov->fc, pb, spherical_mapping);
2098 if (track->par->sample_aspect_ratio.den && track->par->sample_aspect_ratio.num) {
2099 mov_write_pasp_tag(pb, track);
2102 if (uncompressed_ycbcr){
2103 mov_write_clap_tag(pb, track);
2106 if (mov->encryption_scheme != MOV_ENC_NONE) {
2107 ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid);
2110 /* extra padding for avid stsd */
2111 /* https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/QTFFChap2/qtff2.html#//apple_ref/doc/uid/TP40000939-CH204-61112 */
2115 return update_size(pb, pos);
2118 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
2120 int64_t pos = avio_tell(pb);
2121 avio_wb32(pb, 0); /* size */
2122 ffio_wfourcc(pb, "rtp ");
2123 avio_wb32(pb, 0); /* Reserved */
2124 avio_wb16(pb, 0); /* Reserved */
2125 avio_wb16(pb, 1); /* Data-reference index */
2127 avio_wb16(pb, 1); /* Hint track version */
2128 avio_wb16(pb, 1); /* Highest compatible version */
2129 avio_wb32(pb, track->max_packet_size); /* Max packet size */
2131 avio_wb32(pb, 12); /* size */
2132 ffio_wfourcc(pb, "tims");
2133 avio_wb32(pb, track->timescale);
2135 return update_size(pb, pos);
2138 static int mov_write_source_reference_tag(AVIOContext *pb, MOVTrack *track, const char *reel_name)
2140 uint64_t str_size =strlen(reel_name);
2141 int64_t pos = avio_tell(pb);
2143 if (str_size >= UINT16_MAX){
2144 av_log(NULL, AV_LOG_ERROR, "reel_name length %"PRIu64" is too large\n", str_size);
2146 return AVERROR(EINVAL);
2149 avio_wb32(pb, 0); /* size */
2150 ffio_wfourcc(pb, "name"); /* Data format */
2151 avio_wb16(pb, str_size); /* string size */
2152 avio_wb16(pb, track->language); /* langcode */
2153 avio_write(pb, reel_name, str_size); /* reel name */
2154 return update_size(pb,pos);
2157 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
2159 int64_t pos = avio_tell(pb);
2163 AVDictionaryEntry *t = NULL;
2165 if (!track->st->avg_frame_rate.num || !track->st->avg_frame_rate.den) {
2166 #if FF_API_LAVF_AVCTX
2167 FF_DISABLE_DEPRECATION_WARNINGS
2168 frame_duration = av_rescale(track->timescale, track->st->codec->time_base.num, track->st->codec->time_base.den);
2169 nb_frames = ROUNDED_DIV(track->st->codec->time_base.den, track->st->codec->time_base.num);
2170 FF_ENABLE_DEPRECATION_WARNINGS
2172 av_log(NULL, AV_LOG_ERROR, "avg_frame_rate not set for tmcd track.\n");
2173 return AVERROR(EINVAL);
2176 frame_duration = av_rescale(track->timescale, track->st->avg_frame_rate.num, track->st->avg_frame_rate.den);
2177 nb_frames = ROUNDED_DIV(track->st->avg_frame_rate.den, track->st->avg_frame_rate.num);
2180 if (nb_frames > 255) {
2181 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
2182 return AVERROR(EINVAL);
2185 avio_wb32(pb, 0); /* size */
2186 ffio_wfourcc(pb, "tmcd"); /* Data format */
2187 avio_wb32(pb, 0); /* Reserved */
2188 avio_wb32(pb, 1); /* Data reference index */
2189 avio_wb32(pb, 0); /* Flags */
2190 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
2191 avio_wb32(pb, track->timescale); /* Timescale */
2192 avio_wb32(pb, frame_duration); /* Frame duration */
2193 avio_w8(pb, nb_frames); /* Number of frames */
2194 avio_w8(pb, 0); /* Reserved */
2196 t = av_dict_get(track->st->metadata, "reel_name", NULL, 0);
2197 if (t && utf8len(t->value) && track->mode != MODE_MP4)
2198 mov_write_source_reference_tag(pb, track, t->value);
2200 avio_wb16(pb, 0); /* zero size */
2203 avio_wb32(pb, 0); /* size */
2204 ffio_wfourcc(pb, "tmcd"); /* Data format */
2205 avio_wb32(pb, 0); /* Reserved */
2206 avio_wb32(pb, 1); /* Data reference index */
2207 if (track->par->extradata_size)
2208 avio_write(pb, track->par->extradata, track->par->extradata_size);
2210 return update_size(pb, pos);
2213 static int mov_write_gpmd_tag(AVIOContext *pb, const MOVTrack *track)
2215 int64_t pos = avio_tell(pb);
2216 avio_wb32(pb, 0); /* size */
2217 ffio_wfourcc(pb, "gpmd");
2218 avio_wb32(pb, 0); /* Reserved */
2219 avio_wb16(pb, 0); /* Reserved */
2220 avio_wb16(pb, 1); /* Data-reference index */
2221 avio_wb32(pb, 0); /* Reserved */
2222 return update_size(pb, pos);
2225 static int mov_write_stsd_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2227 int64_t pos = avio_tell(pb);
2229 avio_wb32(pb, 0); /* size */
2230 ffio_wfourcc(pb, "stsd");
2231 avio_wb32(pb, 0); /* version & flags */
2232 avio_wb32(pb, 1); /* entry count */
2233 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2234 ret = mov_write_video_tag(s, pb, mov, track);
2235 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2236 ret = mov_write_audio_tag(s, pb, mov, track);
2237 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
2238 ret = mov_write_subtitle_tag(pb, track);
2239 else if (track->par->codec_tag == MKTAG('r','t','p',' '))
2240 ret = mov_write_rtp_tag(pb, track);
2241 else if (track->par->codec_tag == MKTAG('t','m','c','d'))
2242 ret = mov_write_tmcd_tag(pb, track);
2243 else if (track->par->codec_tag == MKTAG('g','p','m','d'))
2244 ret = mov_write_gpmd_tag(pb, track);
2249 return update_size(pb, pos);
2252 static int mov_write_ctts_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
2254 MOVMuxContext *mov = s->priv_data;
2255 MOVStts *ctts_entries;
2256 uint32_t entries = 0;
2260 ctts_entries = av_malloc_array((track->entry + 1), sizeof(*ctts_entries)); /* worst case */
2262 return AVERROR(ENOMEM);
2263 ctts_entries[0].count = 1;
2264 ctts_entries[0].duration = track->cluster[0].cts;
2265 for (i = 1; i < track->entry; i++) {
2266 if (track->cluster[i].cts == ctts_entries[entries].duration) {
2267 ctts_entries[entries].count++; /* compress */
2270 ctts_entries[entries].duration = track->cluster[i].cts;
2271 ctts_entries[entries].count = 1;
2274 entries++; /* last one */
2275 atom_size = 16 + (entries * 8);
2276 avio_wb32(pb, atom_size); /* size */
2277 ffio_wfourcc(pb, "ctts");
2278 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
2279 avio_w8(pb, 1); /* version */
2281 avio_w8(pb, 0); /* version */
2282 avio_wb24(pb, 0); /* flags */
2283 avio_wb32(pb, entries); /* entry count */
2284 for (i = 0; i < entries; i++) {
2285 avio_wb32(pb, ctts_entries[i].count);
2286 avio_wb32(pb, ctts_entries[i].duration);
2288 av_free(ctts_entries);
2292 /* Time to sample atom */
2293 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
2295 MOVStts *stts_entries = NULL;
2296 uint32_t entries = -1;
2300 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
2301 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
2303 return AVERROR(ENOMEM);
2304 stts_entries[0].count = track->sample_count;
2305 stts_entries[0].duration = 1;
2309 stts_entries = av_malloc_array(track->entry, sizeof(*stts_entries)); /* worst case */
2311 return AVERROR(ENOMEM);
2313 for (i = 0; i < track->entry; i++) {
2314 int duration = get_cluster_duration(track, i);
2315 if (i && duration == stts_entries[entries].duration) {
2316 stts_entries[entries].count++; /* compress */
2319 stts_entries[entries].duration = duration;
2320 stts_entries[entries].count = 1;
2323 entries++; /* last one */
2325 atom_size = 16 + (entries * 8);
2326 avio_wb32(pb, atom_size); /* size */
2327 ffio_wfourcc(pb, "stts");
2328 avio_wb32(pb, 0); /* version & flags */
2329 avio_wb32(pb, entries); /* entry count */
2330 for (i = 0; i < entries; i++) {
2331 avio_wb32(pb, stts_entries[i].count);
2332 avio_wb32(pb, stts_entries[i].duration);
2334 av_free(stts_entries);
2338 static int mov_write_dref_tag(AVIOContext *pb)
2340 avio_wb32(pb, 28); /* size */
2341 ffio_wfourcc(pb, "dref");
2342 avio_wb32(pb, 0); /* version & flags */
2343 avio_wb32(pb, 1); /* entry count */
2345 avio_wb32(pb, 0xc); /* size */
2346 //FIXME add the alis and rsrc atom
2347 ffio_wfourcc(pb, "url ");
2348 avio_wb32(pb, 1); /* version & flags */
2353 static int mov_preroll_write_stbl_atoms(AVIOContext *pb, MOVTrack *track)
2357 int16_t roll_distance;
2358 int group_description_index;
2361 struct sgpd_entry *sgpd_entries = NULL;
2366 const int OPUS_SEEK_PREROLL_MS = 80;
2367 int roll_samples = av_rescale_q(OPUS_SEEK_PREROLL_MS,
2368 (AVRational){1, 1000},
2369 (AVRational){1, 48000});
2374 sgpd_entries = av_malloc_array(track->entry, sizeof(*sgpd_entries));
2376 return AVERROR(ENOMEM);
2378 av_assert0(track->par->codec_id == AV_CODEC_ID_OPUS || track->par->codec_id == AV_CODEC_ID_AAC);
2380 if (track->par->codec_id == AV_CODEC_ID_OPUS) {
2381 for (i = 0; i < track->entry; i++) {
2382 int roll_samples_remaining = roll_samples;
2384 for (j = i - 1; j >= 0; j--) {
2385 roll_samples_remaining -= get_cluster_duration(track, j);
2387 if (roll_samples_remaining <= 0)
2390 /* We don't have enough preceeding samples to compute a valid
2391 roll_distance here, so this sample can't be independently
2393 if (roll_samples_remaining > 0)
2395 /* Verify distance is a maximum of 32 (2.5ms) packets. */
2397 return AVERROR_INVALIDDATA;
2398 if (i && distance == sgpd_entries[entries].roll_distance) {
2399 sgpd_entries[entries].count++;
2402 sgpd_entries[entries].count = 1;
2403 sgpd_entries[entries].roll_distance = distance;
2404 sgpd_entries[entries].group_description_index = distance ? ++group : 0;
2409 sgpd_entries[entries].count = track->sample_count;
2410 sgpd_entries[entries].roll_distance = 1;
2411 sgpd_entries[entries].group_description_index = ++group;
2416 av_free(sgpd_entries);
2420 /* Write sgpd tag */
2421 avio_wb32(pb, 24 + (group * 2)); /* size */
2422 ffio_wfourcc(pb, "sgpd");
2423 avio_wb32(pb, 1 << 24); /* fullbox */
2424 ffio_wfourcc(pb, "roll");
2425 avio_wb32(pb, 2); /* default_length */
2426 avio_wb32(pb, group); /* entry_count */
2427 for (i = 0; i < entries; i++) {
2428 if (sgpd_entries[i].group_description_index) {
2429 avio_wb16(pb, -sgpd_entries[i].roll_distance); /* roll_distance */
2433 /* Write sbgp tag */
2434 avio_wb32(pb, 20 + (entries * 8)); /* size */
2435 ffio_wfourcc(pb, "sbgp");
2436 avio_wb32(pb, 0); /* fullbox */
2437 ffio_wfourcc(pb, "roll");
2438 avio_wb32(pb, entries); /* entry_count */
2439 for (i = 0; i < entries; i++) {
2440 avio_wb32(pb, sgpd_entries[i].count); /* sample_count */
2441 avio_wb32(pb, sgpd_entries[i].group_description_index); /* group_description_index */
2444 av_free(sgpd_entries);
2448 static int mov_write_stbl_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2450 int64_t pos = avio_tell(pb);
2453 avio_wb32(pb, 0); /* size */
2454 ffio_wfourcc(pb, "stbl");
2455 if ((ret = mov_write_stsd_tag(s, pb, mov, track)) < 0)
2457 mov_write_stts_tag(pb, track);
2458 if ((track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2459 track->par->codec_tag == MKTAG('r','t','p',' ')) &&
2460 track->has_keyframes && track->has_keyframes < track->entry)
2461 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
2462 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO && track->has_disposable)
2463 mov_write_sdtp_tag(pb, track);
2464 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
2465 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
2466 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO &&
2467 track->flags & MOV_TRACK_CTTS && track->entry) {
2469 if ((ret = mov_write_ctts_tag(s, pb, track)) < 0)
2472 mov_write_stsc_tag(pb, track);
2473 mov_write_stsz_tag(pb, track);
2474 mov_write_stco_tag(pb, track);
2475 if (track->cenc.aes_ctr) {
2476 ff_mov_cenc_write_stbl_atoms(&track->cenc, pb);
2478 if (track->par->codec_id == AV_CODEC_ID_OPUS || track->par->codec_id == AV_CODEC_ID_AAC) {
2479 mov_preroll_write_stbl_atoms(pb, track);
2481 return update_size(pb, pos);
2484 static int mov_write_dinf_tag(AVIOContext *pb)
2486 int64_t pos = avio_tell(pb);
2487 avio_wb32(pb, 0); /* size */
2488 ffio_wfourcc(pb, "dinf");
2489 mov_write_dref_tag(pb);
2490 return update_size(pb, pos);
2493 static int mov_write_nmhd_tag(AVIOContext *pb)
2496 ffio_wfourcc(pb, "nmhd");
2501 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
2503 int64_t pos = avio_tell(pb);
2504 const char *font = "Lucida Grande";
2505 avio_wb32(pb, 0); /* size */
2506 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
2507 avio_wb32(pb, 0); /* version & flags */
2508 avio_wb16(pb, 0); /* text font */
2509 avio_wb16(pb, 0); /* text face */
2510 avio_wb16(pb, 12); /* text size */
2511 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
2512 avio_wb16(pb, 0x0000); /* text color (red) */
2513 avio_wb16(pb, 0x0000); /* text color (green) */
2514 avio_wb16(pb, 0x0000); /* text color (blue) */
2515 avio_wb16(pb, 0xffff); /* background color (red) */
2516 avio_wb16(pb, 0xffff); /* background color (green) */
2517 avio_wb16(pb, 0xffff); /* background color (blue) */
2518 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
2519 avio_write(pb, font, strlen(font)); /* font name */
2520 return update_size(pb, pos);
2523 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
2525 int64_t pos = avio_tell(pb);
2526 avio_wb32(pb, 0); /* size */
2527 ffio_wfourcc(pb, "gmhd");
2528 avio_wb32(pb, 0x18); /* gmin size */
2529 ffio_wfourcc(pb, "gmin");/* generic media info */
2530 avio_wb32(pb, 0); /* version & flags */
2531 avio_wb16(pb, 0x40); /* graphics mode = */
2532 avio_wb16(pb, 0x8000); /* opColor (r?) */
2533 avio_wb16(pb, 0x8000); /* opColor (g?) */
2534 avio_wb16(pb, 0x8000); /* opColor (b?) */
2535 avio_wb16(pb, 0); /* balance */
2536 avio_wb16(pb, 0); /* reserved */
2539 * This special text atom is required for
2540 * Apple Quicktime chapters. The contents
2541 * don't appear to be documented, so the
2542 * bytes are copied verbatim.
2544 if (track->tag != MKTAG('c','6','0','8')) {
2545 avio_wb32(pb, 0x2C); /* size */
2546 ffio_wfourcc(pb, "text");
2547 avio_wb16(pb, 0x01);
2548 avio_wb32(pb, 0x00);
2549 avio_wb32(pb, 0x00);
2550 avio_wb32(pb, 0x00);
2551 avio_wb32(pb, 0x01);
2552 avio_wb32(pb, 0x00);
2553 avio_wb32(pb, 0x00);
2554 avio_wb32(pb, 0x00);
2555 avio_wb32(pb, 0x00004000);
2556 avio_wb16(pb, 0x0000);
2559 if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2560 int64_t tmcd_pos = avio_tell(pb);
2561 avio_wb32(pb, 0); /* size */
2562 ffio_wfourcc(pb, "tmcd");
2563 mov_write_tcmi_tag(pb, track);
2564 update_size(pb, tmcd_pos);
2565 } else if (track->par->codec_tag == MKTAG('g','p','m','d')) {
2566 int64_t gpmd_pos = avio_tell(pb);
2567 avio_wb32(pb, 0); /* size */
2568 ffio_wfourcc(pb, "gpmd");
2569 avio_wb32(pb, 0); /* version */
2570 update_size(pb, gpmd_pos);
2572 return update_size(pb, pos);
2575 static int mov_write_smhd_tag(AVIOContext *pb)
2577 avio_wb32(pb, 16); /* size */
2578 ffio_wfourcc(pb, "smhd");
2579 avio_wb32(pb, 0); /* version & flags */
2580 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
2581 avio_wb16(pb, 0); /* reserved */
2585 static int mov_write_vmhd_tag(AVIOContext *pb)
2587 avio_wb32(pb, 0x14); /* size (always 0x14) */
2588 ffio_wfourcc(pb, "vmhd");
2589 avio_wb32(pb, 0x01); /* version & flags */
2590 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
2594 static int is_clcp_track(MOVTrack *track)
2596 return track->tag == MKTAG('c','7','0','8') ||
2597 track->tag == MKTAG('c','6','0','8');
2600 static int mov_write_hdlr_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
2602 MOVMuxContext *mov = s->priv_data;
2603 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
2604 int64_t pos = avio_tell(pb);
2608 descr = "DataHandler";
2611 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
2612 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
2614 descr = "VideoHandler";
2615 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
2617 descr = "SoundHandler";
2618 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2619 if (is_clcp_track(track)) {
2621 descr = "ClosedCaptionHandler";
2623 if (track->tag == MKTAG('t','x','3','g')) {
2625 } else if (track->tag == MKTAG('m','p','4','s')) {
2630 descr = "SubtitleHandler";
2632 } else if (track->par->codec_tag == MKTAG('r','t','p',' ')) {
2634 descr = "HintHandler";
2635 } else if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2637 descr = "TimeCodeHandler";
2638 } else if (track->par->codec_tag == MKTAG('g','p','m','d')) {
2640 descr = "GoPro MET"; // GoPro Metadata
2642 av_log(s, AV_LOG_WARNING,
2643 "Unknown hldr_type for %s, writing dummy values\n",
2644 av_fourcc2str(track->par->codec_tag));
2647 // hdlr.name is used by some players to identify the content title
2648 // of the track. So if an alternate handler description is
2649 // specified, use it.
2650 AVDictionaryEntry *t;
2651 t = av_dict_get(track->st->metadata, "handler_name", NULL, 0);
2652 if (t && utf8len(t->value))
2657 if (mov->empty_hdlr_name) /* expressly allowed by QTFF and not prohibited in ISO 14496-12 8.4.3.3 */
2660 avio_wb32(pb, 0); /* size */
2661 ffio_wfourcc(pb, "hdlr");
2662 avio_wb32(pb, 0); /* Version & flags */
2663 avio_write(pb, hdlr, 4); /* handler */
2664 ffio_wfourcc(pb, hdlr_type); /* handler type */
2665 avio_wb32(pb, 0); /* reserved */
2666 avio_wb32(pb, 0); /* reserved */
2667 avio_wb32(pb, 0); /* reserved */
2668 if (!track || track->mode == MODE_MOV)
2669 avio_w8(pb, strlen(descr)); /* pascal string */
2670 avio_write(pb, descr, strlen(descr)); /* handler description */
2671 if (track && track->mode != MODE_MOV)
2672 avio_w8(pb, 0); /* c string */
2673 return update_size(pb, pos);
2676 static int mov_write_hmhd_tag(AVIOContext *pb)
2678 /* This atom must be present, but leaving the values at zero
2679 * seems harmless. */
2680 avio_wb32(pb, 28); /* size */
2681 ffio_wfourcc(pb, "hmhd");
2682 avio_wb32(pb, 0); /* version, flags */
2683 avio_wb16(pb, 0); /* maxPDUsize */
2684 avio_wb16(pb, 0); /* avgPDUsize */
2685 avio_wb32(pb, 0); /* maxbitrate */
2686 avio_wb32(pb, 0); /* avgbitrate */
2687 avio_wb32(pb, 0); /* reserved */
2691 static int mov_write_minf_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2693 int64_t pos = avio_tell(pb);
2696 avio_wb32(pb, 0); /* size */
2697 ffio_wfourcc(pb, "minf");
2698 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2699 mov_write_vmhd_tag(pb);
2700 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2701 mov_write_smhd_tag(pb);
2702 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2703 if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
2704 mov_write_gmhd_tag(pb, track);
2706 mov_write_nmhd_tag(pb);
2708 } else if (track->tag == MKTAG('r','t','p',' ')) {
2709 mov_write_hmhd_tag(pb);
2710 } else if (track->tag == MKTAG('t','m','c','d')) {
2711 if (track->mode != MODE_MOV)
2712 mov_write_nmhd_tag(pb);
2714 mov_write_gmhd_tag(pb, track);
2715 } else if (track->tag == MKTAG('g','p','m','d')) {
2716 mov_write_gmhd_tag(pb, track);
2718 if (track->mode == MODE_MOV) /* ISO 14496-12 8.4.3.1 specifies hdlr only within mdia or meta boxes */
2719 mov_write_hdlr_tag(s, pb, NULL);
2720 mov_write_dinf_tag(pb);
2721 if ((ret = mov_write_stbl_tag(s, pb, mov, track)) < 0)
2723 return update_size(pb, pos);
2726 static int mov_write_mdhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2729 int version = track->track_duration < INT32_MAX ? 0 : 1;
2731 if (track->mode == MODE_ISM)
2734 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
2735 ffio_wfourcc(pb, "mdhd");
2736 avio_w8(pb, version);
2737 avio_wb24(pb, 0); /* flags */
2739 avio_wb64(pb, track->time);
2740 avio_wb64(pb, track->time);
2742 avio_wb32(pb, track->time); /* creation time */
2743 avio_wb32(pb, track->time); /* modification time */
2745 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
2746 if (!track->entry && mov->mode == MODE_ISM)
2747 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2748 else if (!track->entry)
2749 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2751 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
2752 avio_wb16(pb, track->language); /* language */
2753 avio_wb16(pb, 0); /* reserved (quality) */
2755 if (version != 0 && track->mode == MODE_MOV) {
2756 av_log(NULL, AV_LOG_ERROR,
2757 "FATAL error, file duration too long for timebase, this file will not be\n"
2758 "playable with QuickTime. Choose a different timebase with "
2759 "-video_track_timescale or a different container format\n");
2765 static int mov_write_mdia_tag(AVFormatContext *s, AVIOContext *pb,
2766 MOVMuxContext *mov, MOVTrack *track)
2768 int64_t pos = avio_tell(pb);
2771 avio_wb32(pb, 0); /* size */
2772 ffio_wfourcc(pb, "mdia");
2773 mov_write_mdhd_tag(pb, mov, track);
2774 mov_write_hdlr_tag(s, pb, track);
2775 if ((ret = mov_write_minf_tag(s, pb, mov, track)) < 0)
2777 return update_size(pb, pos);
2780 /* transformation matrix
2784 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
2785 int16_t d, int16_t tx, int16_t ty)
2787 avio_wb32(pb, a << 16); /* 16.16 format */
2788 avio_wb32(pb, b << 16); /* 16.16 format */
2789 avio_wb32(pb, 0); /* u in 2.30 format */
2790 avio_wb32(pb, c << 16); /* 16.16 format */
2791 avio_wb32(pb, d << 16); /* 16.16 format */
2792 avio_wb32(pb, 0); /* v in 2.30 format */
2793 avio_wb32(pb, tx << 16); /* 16.16 format */
2794 avio_wb32(pb, ty << 16); /* 16.16 format */
2795 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
2798 static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2799 MOVTrack *track, AVStream *st)
2801 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
2802 track->timescale, AV_ROUND_UP);
2803 int version = duration < INT32_MAX ? 0 : 1;
2804 int flags = MOV_TKHD_FLAG_IN_MOVIE;
2808 uint32_t *display_matrix = NULL;
2809 int display_matrix_size, i;
2812 if (mov->per_stream_grouping)
2815 group = st->codecpar->codec_type;
2817 display_matrix = (uint32_t*)av_stream_get_side_data(st, AV_PKT_DATA_DISPLAYMATRIX,
2818 &display_matrix_size);
2819 if (display_matrix && display_matrix_size < 9 * sizeof(*display_matrix))
2820 display_matrix = NULL;
2823 if (track->flags & MOV_TRACK_ENABLED)
2824 flags |= MOV_TKHD_FLAG_ENABLED;
2826 if (track->mode == MODE_ISM)
2829 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
2830 ffio_wfourcc(pb, "tkhd");
2831 avio_w8(pb, version);
2832 avio_wb24(pb, flags);
2834 avio_wb64(pb, track->time);
2835 avio_wb64(pb, track->time);
2837 avio_wb32(pb, track->time); /* creation time */
2838 avio_wb32(pb, track->time); /* modification time */
2840 avio_wb32(pb, track->track_id); /* track-id */
2841 avio_wb32(pb, 0); /* reserved */
2842 if (!track->entry && mov->mode == MODE_ISM)
2843 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2844 else if (!track->entry)
2845 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2847 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
2849 avio_wb32(pb, 0); /* reserved */
2850 avio_wb32(pb, 0); /* reserved */
2851 avio_wb16(pb, 0); /* layer */
2852 avio_wb16(pb, group); /* alternate group) */
2853 /* Volume, only for audio */
2854 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2855 avio_wb16(pb, 0x0100);
2858 avio_wb16(pb, 0); /* reserved */
2860 /* Matrix structure */
2861 #if FF_API_OLD_ROTATE_API
2862 if (st && st->metadata) {
2863 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
2864 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
2867 if (display_matrix) {
2868 for (i = 0; i < 9; i++)
2869 avio_wb32(pb, display_matrix[i]);
2870 #if FF_API_OLD_ROTATE_API
2871 } else if (rotation == 90) {
2872 write_matrix(pb, 0, 1, -1, 0, track->par->height, 0);
2873 } else if (rotation == 180) {
2874 write_matrix(pb, -1, 0, 0, -1, track->par->width, track->par->height);
2875 } else if (rotation == 270) {
2876 write_matrix(pb, 0, -1, 1, 0, 0, track->par->width);
2879 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2881 /* Track width and height, for visual only */
2882 if (st && (track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2883 track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
2884 int64_t track_width_1616;
2885 if (track->mode == MODE_MOV) {
2886 track_width_1616 = track->par->width * 0x10000ULL;
2888 track_width_1616 = av_rescale(st->sample_aspect_ratio.num,
2889 track->par->width * 0x10000LL,
2890 st->sample_aspect_ratio.den);
2891 if (!track_width_1616 ||
2892 track->height != track->par->height ||
2893 track_width_1616 > UINT32_MAX)
2894 track_width_1616 = track->par->width * 0x10000ULL;
2896 if (track_width_1616 > UINT32_MAX) {
2897 av_log(mov->fc, AV_LOG_WARNING, "track width is too large\n");
2898 track_width_1616 = 0;
2900 avio_wb32(pb, track_width_1616);
2901 if (track->height > 0xFFFF) {
2902 av_log(mov->fc, AV_LOG_WARNING, "track height is too large\n");
2905 avio_wb32(pb, track->height * 0x10000U);
2913 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
2915 int32_t width = av_rescale(track->par->sample_aspect_ratio.num, track->par->width,
2916 track->par->sample_aspect_ratio.den);
2918 int64_t pos = avio_tell(pb);
2920 avio_wb32(pb, 0); /* size */
2921 ffio_wfourcc(pb, "tapt");
2924 ffio_wfourcc(pb, "clef");
2926 avio_wb32(pb, width << 16);
2927 avio_wb32(pb, track->par->height << 16);
2930 ffio_wfourcc(pb, "prof");
2932 avio_wb32(pb, width << 16);
2933 avio_wb32(pb, track->par->height << 16);
2936 ffio_wfourcc(pb, "enof");
2938 avio_wb32(pb, track->par->width << 16);
2939 avio_wb32(pb, track->par->height << 16);
2941 return update_size(pb, pos);
2944 // This box seems important for the psp playback ... without it the movie seems to hang
2945 static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov,
2948 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
2949 track->timescale, AV_ROUND_UP);
2950 int version = duration < INT32_MAX ? 0 : 1;
2951 int entry_size, entry_count, size;
2952 int64_t delay, start_ct = track->start_cts;
2953 int64_t start_dts = track->start_dts;
2956 if (start_dts != track->cluster[0].dts || start_ct != track->cluster[0].cts) {
2958 av_log(mov->fc, AV_LOG_DEBUG,
2959 "EDTS using dts:%"PRId64" cts:%d instead of dts:%"PRId64" cts:%"PRId64" tid:%d\n",
2960 track->cluster[0].dts, track->cluster[0].cts,
2961 start_dts, start_ct, track->track_id);
2962 start_dts = track->cluster[0].dts;
2963 start_ct = track->cluster[0].cts;
2967 delay = av_rescale_rnd(start_dts + start_ct, MOV_TIMESCALE,
2968 track->timescale, AV_ROUND_DOWN);
2969 version |= delay < INT32_MAX ? 0 : 1;
2971 entry_size = (version == 1) ? 20 : 12;
2972 entry_count = 1 + (delay > 0);
2973 size = 24 + entry_count * entry_size;
2975 /* write the atom data */
2976 avio_wb32(pb, size);
2977 ffio_wfourcc(pb, "edts");
2978 avio_wb32(pb, size - 8);
2979 ffio_wfourcc(pb, "elst");
2980 avio_w8(pb, version);
2981 avio_wb24(pb, 0); /* flags */
2983 avio_wb32(pb, entry_count);
2984 if (delay > 0) { /* add an empty edit to delay presentation */
2985 /* In the positive delay case, the delay includes the cts
2986 * offset, and the second edit list entry below trims out
2987 * the same amount from the actual content. This makes sure
2988 * that the offset last sample is included in the edit
2989 * list duration as well. */
2991 avio_wb64(pb, delay);
2994 avio_wb32(pb, delay);
2997 avio_wb32(pb, 0x00010000);
2999 /* Avoid accidentally ending up with start_ct = -1 which has got a
3000 * special meaning. Normally start_ct should end up positive or zero
3001 * here, but use FFMIN in case dts is a small positive integer
3002 * rounded to 0 when represented in MOV_TIMESCALE units. */
3003 av_assert0(av_rescale_rnd(start_dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
3004 start_ct = -FFMIN(start_dts, 0);
3005 /* Note, this delay is calculated from the pts of the first sample,
3006 * ensuring that we don't reduce the duration for cases with
3011 /* For fragmented files, we don't know the full length yet. Setting
3012 * duration to 0 allows us to only specify the offset, including
3013 * the rest of the content (from all future fragments) without specifying
3014 * an explicit duration. */
3015 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
3020 avio_wb64(pb, duration);
3021 avio_wb64(pb, start_ct);
3023 avio_wb32(pb, duration);
3024 avio_wb32(pb, start_ct);
3026 avio_wb32(pb, 0x00010000);
3030 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
3032 avio_wb32(pb, 20); // size
3033 ffio_wfourcc(pb, "tref");
3034 avio_wb32(pb, 12); // size (subatom)
3035 avio_wl32(pb, track->tref_tag);
3036 avio_wb32(pb, track->tref_id);
3040 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
3041 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
3043 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
3044 ffio_wfourcc(pb, "uuid");
3045 ffio_wfourcc(pb, "USMT");
3046 avio_wb32(pb, 0x21d24fce);
3047 avio_wb32(pb, 0xbb88695c);
3048 avio_wb32(pb, 0xfac9c740);
3049 avio_wb32(pb, 0x1c); // another size here!
3050 ffio_wfourcc(pb, "MTDT");
3051 avio_wb32(pb, 0x00010012);
3052 avio_wb32(pb, 0x0a);
3053 avio_wb32(pb, 0x55c40000);
3059 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
3061 AVFormatContext *ctx = track->rtp_ctx;
3062 char buf[1000] = "";
3065 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
3066 NULL, NULL, 0, 0, ctx);
3067 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
3070 avio_wb32(pb, len + 24);
3071 ffio_wfourcc(pb, "udta");
3072 avio_wb32(pb, len + 16);
3073 ffio_wfourcc(pb, "hnti");
3074 avio_wb32(pb, len + 8);
3075 ffio_wfourcc(pb, "sdp ");
3076 avio_write(pb, buf, len);
3080 static int mov_write_track_metadata(AVIOContext *pb, AVStream *st,
3081 const char *tag, const char *str)
3083 int64_t pos = avio_tell(pb);
3084 AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
3085 if (!t || !utf8len(t->value))
3088 avio_wb32(pb, 0); /* size */
3089 ffio_wfourcc(pb, tag); /* type */
3090 avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
3091 return update_size(pb, pos);
3094 static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3097 AVIOContext *pb_buf;
3104 ret = avio_open_dyn_buf(&pb_buf);
3108 if (mov->mode & (MODE_MP4|MODE_MOV))
3109 mov_write_track_metadata(pb_buf, st, "name", "title");
3111 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
3112 avio_wb32(pb, size + 8);
3113 ffio_wfourcc(pb, "udta");
3114 avio_write(pb, buf, size);
3121 static int mov_write_trak_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov,
3122 MOVTrack *track, AVStream *st)
3124 int64_t pos = avio_tell(pb);
3125 int entry_backup = track->entry;
3126 int chunk_backup = track->chunkCount;
3129 /* If we want to have an empty moov, but some samples already have been
3130 * buffered (delay_moov), pretend that no samples have been written yet. */
3131 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV)
3132 track->chunkCount = track->entry = 0;
3134 avio_wb32(pb, 0); /* size */
3135 ffio_wfourcc(pb, "trak");
3136 mov_write_tkhd_tag(pb, mov, track, st);
3138 av_assert2(mov->use_editlist >= 0);
3140 if (track->start_dts != AV_NOPTS_VALUE) {
3141 if (mov->use_editlist)
3142 mov_write_edts_tag(pb, mov, track); // PSP Movies and several other cases require edts box
3143 else if ((track->entry && track->cluster[0].dts) || track->mode == MODE_PSP || is_clcp_track(track))
3144 av_log(mov->fc, AV_LOG_WARNING,
3145 "Not writing any edit list even though one would have been required\n");
3148 if (track->tref_tag)
3149 mov_write_tref_tag(pb, track);
3151 if ((ret = mov_write_mdia_tag(s, pb, mov, track)) < 0)
3153 if (track->mode == MODE_PSP)
3154 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
3155 if (track->tag == MKTAG('r','t','p',' '))
3156 mov_write_udta_sdp(pb, track);
3157 if (track->mode == MODE_MOV) {
3158 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
3159 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
3160 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio) {
3161 mov_write_tapt_tag(pb, track);
3164 if (is_clcp_track(track) && st->sample_aspect_ratio.num) {
3165 mov_write_tapt_tag(pb, track);
3168 mov_write_track_udta_tag(pb, mov, st);
3169 track->entry = entry_backup;
3170 track->chunkCount = chunk_backup;
3171 return update_size(pb, pos);
3174 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
3176 int i, has_audio = 0, has_video = 0;
3177 int64_t pos = avio_tell(pb);
3178 int audio_profile = mov->iods_audio_profile;
3179 int video_profile = mov->iods_video_profile;
3180 for (i = 0; i < mov->nb_streams; i++) {
3181 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3182 has_audio |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_AUDIO;
3183 has_video |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_VIDEO;
3186 if (audio_profile < 0)
3187 audio_profile = 0xFF - has_audio;
3188 if (video_profile < 0)
3189 video_profile = 0xFF - has_video;
3190 avio_wb32(pb, 0x0); /* size */
3191 ffio_wfourcc(pb, "iods");
3192 avio_wb32(pb, 0); /* version & flags */
3193 put_descr(pb, 0x10, 7);
3194 avio_wb16(pb, 0x004f);
3197 avio_w8(pb, audio_profile);
3198 avio_w8(pb, video_profile);
3200 return update_size(pb, pos);
3203 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
3205 avio_wb32(pb, 0x20); /* size */
3206 ffio_wfourcc(pb, "trex");
3207 avio_wb32(pb, 0); /* version & flags */
3208 avio_wb32(pb, track->track_id); /* track ID */
3209 avio_wb32(pb, 1); /* default sample description index */
3210 avio_wb32(pb, 0); /* default sample duration */
3211 avio_wb32(pb, 0); /* default sample size */
3212 avio_wb32(pb, 0); /* default sample flags */
3216 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
3218 int64_t pos = avio_tell(pb);
3220 avio_wb32(pb, 0x0); /* size */
3221 ffio_wfourcc(pb, "mvex");
3222 for (i = 0; i < mov->nb_streams; i++)
3223 mov_write_trex_tag(pb, &mov->tracks[i]);
3224 return update_size(pb, pos);
3227 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
3229 int max_track_id = 1, i;
3230 int64_t max_track_len = 0;
3233 for (i = 0; i < mov->nb_streams; i++) {
3234 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
3235 int64_t max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
3237 mov->tracks[i].timescale,
3239 if (max_track_len < max_track_len_temp)
3240 max_track_len = max_track_len_temp;
3241 if (max_track_id < mov->tracks[i].track_id)
3242 max_track_id = mov->tracks[i].track_id;
3245 /* If using delay_moov, make sure the output is the same as if no
3246 * samples had been written yet. */
3247 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3252 version = max_track_len < UINT32_MAX ? 0 : 1;
3253 avio_wb32(pb, version == 1 ? 120 : 108); /* size */
3255 ffio_wfourcc(pb, "mvhd");
3256 avio_w8(pb, version);
3257 avio_wb24(pb, 0); /* flags */
3259 avio_wb64(pb, mov->time);
3260 avio_wb64(pb, mov->time);
3262 avio_wb32(pb, mov->time); /* creation time */
3263 avio_wb32(pb, mov->time); /* modification time */
3265 avio_wb32(pb, MOV_TIMESCALE);
3266 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
3268 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
3269 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
3270 avio_wb16(pb, 0); /* reserved */
3271 avio_wb32(pb, 0); /* reserved */
3272 avio_wb32(pb, 0); /* reserved */
3274 /* Matrix structure */
3275 write_matrix(pb, 1, 0, 0, 1, 0, 0);
3277 avio_wb32(pb, 0); /* reserved (preview time) */
3278 avio_wb32(pb, 0); /* reserved (preview duration) */
3279 avio_wb32(pb, 0); /* reserved (poster time) */
3280 avio_wb32(pb, 0); /* reserved (selection time) */
3281 avio_wb32(pb, 0); /* reserved (selection duration) */
3282 avio_wb32(pb, 0); /* reserved (current time) */
3283 avio_wb32(pb, max_track_id + 1); /* Next track id */
3287 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3290 avio_wb32(pb, 33); /* size */
3291 ffio_wfourcc(pb, "hdlr");
3294 ffio_wfourcc(pb, "mdir");
3295 ffio_wfourcc(pb, "appl");
3302 /* helper function to write a data tag with the specified string as data */
3303 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
3306 int size = 16 + strlen(data);
3307 avio_wb32(pb, size); /* size */
3308 ffio_wfourcc(pb, "data");
3311 avio_write(pb, data, strlen(data));
3315 lang = ff_mov_iso639_to_lang("und", 1);
3316 avio_wb16(pb, strlen(data)); /* string length */
3317 avio_wb16(pb, lang);
3318 avio_write(pb, data, strlen(data));
3319 return strlen(data) + 4;
3323 static int mov_write_string_tag(AVIOContext *pb, const char *name,
3324 const char *value, int lang, int long_style)
3327 if (value && value[0]) {
3328 int64_t pos = avio_tell(pb);
3329 avio_wb32(pb, 0); /* size */
3330 ffio_wfourcc(pb, name);
3331 mov_write_string_data_tag(pb, value, lang, long_style);
3332 size = update_size(pb, pos);
3337 static AVDictionaryEntry *get_metadata_lang(AVFormatContext *s,
3338 const char *tag, int *lang)
3341 AVDictionaryEntry *t, *t2 = NULL;
3346 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3349 len = strlen(t->key);
3350 snprintf(tag2, sizeof(tag2), "%s-", tag);
3351 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
3352 len2 = strlen(t2->key);
3353 if (len2 == len + 4 && !strcmp(t->value, t2->value)
3354 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
3362 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
3363 const char *name, const char *tag,
3367 AVDictionaryEntry *t = get_metadata_lang(s, tag, &lang);
3370 return mov_write_string_tag(pb, name, t->value, lang, long_style);
3373 /* iTunes bpm number */
3374 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
3376 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
3377 int size = 0, tmpo = t ? atoi(t->value) : 0;
3380 avio_wb32(pb, size);
3381 ffio_wfourcc(pb, "tmpo");
3382 avio_wb32(pb, size-8); /* size */
3383 ffio_wfourcc(pb, "data");
3384 avio_wb32(pb, 0x15); //type specifier
3386 avio_wb16(pb, tmpo); // data
3391 /* 3GPP TS 26.244 */
3392 static int mov_write_loci_tag(AVFormatContext *s, AVIOContext *pb)
3395 int64_t pos = avio_tell(pb);
3396 double latitude, longitude, altitude;
3397 int32_t latitude_fix, longitude_fix, altitude_fix;
3398 AVDictionaryEntry *t = get_metadata_lang(s, "location", &lang);
3399 const char *ptr, *place = "";
3401 static const char *astronomical_body = "earth";
3406 longitude = strtod(ptr, &end);
3408 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3412 latitude = strtod(ptr, &end);
3414 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3418 altitude = strtod(ptr, &end);
3419 /* If no altitude was present, the default 0 should be fine */
3423 latitude_fix = (int32_t) ((1 << 16) * latitude);
3424 longitude_fix = (int32_t) ((1 << 16) * longitude);
3425 altitude_fix = (int32_t) ((1 << 16) * altitude);
3427 avio_wb32(pb, 0); /* size */
3428 ffio_wfourcc(pb, "loci"); /* type */
3429 avio_wb32(pb, 0); /* version + flags */
3430 avio_wb16(pb, lang);
3431 avio_write(pb, place, strlen(place) + 1);
3432 avio_w8(pb, 0); /* role of place (0 == shooting location, 1 == real location, 2 == fictional location) */
3433 avio_wb32(pb, latitude_fix);
3434 avio_wb32(pb, longitude_fix);
3435 avio_wb32(pb, altitude_fix);
3436 avio_write(pb, astronomical_body, strlen(astronomical_body) + 1);
3437 avio_w8(pb, 0); /* additional notes, null terminated string */
3439 return update_size(pb, pos);
3442 /* iTunes track or disc number */
3443 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
3444 AVFormatContext *s, int disc)
3446 AVDictionaryEntry *t = av_dict_get(s->metadata,
3447 disc ? "disc" : "track",
3449 int size = 0, track = t ? atoi(t->value) : 0;
3452 char *slash = strchr(t->value, '/');
3454 tracks = atoi(slash + 1);
3455 avio_wb32(pb, 32); /* size */
3456 ffio_wfourcc(pb, disc ? "disk" : "trkn");
3457 avio_wb32(pb, 24); /* size */
3458 ffio_wfourcc(pb, "data");
3459 avio_wb32(pb, 0); // 8 bytes empty
3461 avio_wb16(pb, 0); // empty
3462 avio_wb16(pb, track); // track / disc number
3463 avio_wb16(pb, tracks); // total track / disc number
3464 avio_wb16(pb, 0); // empty
3470 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
3471 const char *name, const char *tag,
3474 AVDictionaryEntry *t = NULL;
3476 int size = 24 + len;
3478 if (len != 1 && len != 4)
3481 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3483 num = atoi(t->value);
3485 avio_wb32(pb, size);
3486 ffio_wfourcc(pb, name);
3487 avio_wb32(pb, size - 8);
3488 ffio_wfourcc(pb, "data");
3489 avio_wb32(pb, 0x15);
3491 if (len==4) avio_wb32(pb, num);
3492 else avio_w8 (pb, num);
3497 static int mov_write_covr(AVIOContext *pb, AVFormatContext *s)
3499 MOVMuxContext *mov = s->priv_data;
3503 for (i = 0; i < s->nb_streams; i++) {
3504 MOVTrack *trk = &mov->tracks[i];
3506 if (!is_cover_image(trk->st) || trk->cover_image.size <= 0)
3510 pos = avio_tell(pb);
3512 ffio_wfourcc(pb, "covr");
3514 avio_wb32(pb, 16 + trk->cover_image.size);
3515 ffio_wfourcc(pb, "data");
3516 avio_wb32(pb, trk->tag);
3518 avio_write(pb, trk->cover_image.data, trk->cover_image.size);
3521 return pos ? update_size(pb, pos) : 0;
3524 /* iTunes meta data list */
3525 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3528 int64_t pos = avio_tell(pb);
3529 avio_wb32(pb, 0); /* size */
3530 ffio_wfourcc(pb, "ilst");
3531 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
3532 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
3533 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
3534 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
3535 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
3536 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
3537 if (!mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1)) {
3538 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3539 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
3541 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
3542 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
3543 mov_write_string_metadata(s, pb, "cprt", "copyright", 1);
3544 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
3545 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
3546 mov_write_string_metadata(s, pb, "desc", "description",1);
3547 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
3548 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
3549 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
3550 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
3551 mov_write_string_metadata(s, pb, "keyw", "keywords" , 1);
3552 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
3553 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
3554 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
3555 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
3556 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
3557 mov_write_int8_metadata (s, pb, "cpil", "compilation", 1);
3558 mov_write_covr(pb, s);
3559 mov_write_trkn_tag(pb, mov, s, 0); // track number
3560 mov_write_trkn_tag(pb, mov, s, 1); // disc number
3561 mov_write_tmpo_tag(pb, s);
3562 return update_size(pb, pos);
3565 static int mov_write_mdta_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3568 avio_wb32(pb, 33); /* size */
3569 ffio_wfourcc(pb, "hdlr");
3572 ffio_wfourcc(pb, "mdta");
3580 static int mov_write_mdta_keys_tag(AVIOContext *pb, MOVMuxContext *mov,
3583 AVDictionaryEntry *t = NULL;
3584 int64_t pos = avio_tell(pb);
3585 int64_t curpos, entry_pos;
3588 avio_wb32(pb, 0); /* size */
3589 ffio_wfourcc(pb, "keys");
3591 entry_pos = avio_tell(pb);
3592 avio_wb32(pb, 0); /* entry count */
3594 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3595 avio_wb32(pb, strlen(t->key) + 8);
3596 ffio_wfourcc(pb, "mdta");
3597 avio_write(pb, t->key, strlen(t->key));
3600 curpos = avio_tell(pb);
3601 avio_seek(pb, entry_pos, SEEK_SET);
3602 avio_wb32(pb, count); // rewrite entry count
3603 avio_seek(pb, curpos, SEEK_SET);
3605 return update_size(pb, pos);
3608 static int mov_write_mdta_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3611 AVDictionaryEntry *t = NULL;
3612 int64_t pos = avio_tell(pb);
3613 int count = 1; /* keys are 1-index based */
3615 avio_wb32(pb, 0); /* size */
3616 ffio_wfourcc(pb, "ilst");
3618 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3619 int64_t entry_pos = avio_tell(pb);
3620 avio_wb32(pb, 0); /* size */
3621 avio_wb32(pb, count); /* key */
3622 mov_write_string_data_tag(pb, t->value, 0, 1);
3623 update_size(pb, entry_pos);
3626 return update_size(pb, pos);
3629 /* meta data tags */
3630 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
3634 int64_t pos = avio_tell(pb);
3635 avio_wb32(pb, 0); /* size */
3636 ffio_wfourcc(pb, "meta");
3638 if (mov->flags & FF_MOV_FLAG_USE_MDTA) {
3639 mov_write_mdta_hdlr_tag(pb, mov, s);
3640 mov_write_mdta_keys_tag(pb, mov, s);
3641 mov_write_mdta_ilst_tag(pb, mov, s);
3644 /* iTunes metadata tag */
3645 mov_write_itunes_hdlr_tag(pb, mov, s);
3646 mov_write_ilst_tag(pb, mov, s);
3648 size = update_size(pb, pos);
3652 static int mov_write_raw_metadata_tag(AVFormatContext *s, AVIOContext *pb,
3653 const char *name, const char *key)
3656 AVDictionaryEntry *t;
3658 if (!(t = av_dict_get(s->metadata, key, NULL, 0)))
3661 len = strlen(t->value);
3664 avio_wb32(pb, size);
3665 ffio_wfourcc(pb, name);
3666 avio_write(pb, t->value, len);
3672 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
3676 GET_UTF8(val, *b++, return -1;)
3679 avio_wb16(pb, 0x00);
3683 static uint16_t language_code(const char *str)
3685 return (((str[0] - 0x60) & 0x1F) << 10) +
3686 (((str[1] - 0x60) & 0x1F) << 5) +
3687 (( str[2] - 0x60) & 0x1F);
3690 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
3691 const char *tag, const char *str)
3693 int64_t pos = avio_tell(pb);
3694 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
3695 if (!t || !utf8len(t->value))
3697 avio_wb32(pb, 0); /* size */
3698 ffio_wfourcc(pb, tag); /* type */
3699 avio_wb32(pb, 0); /* version + flags */
3700 if (!strcmp(tag, "yrrc"))
3701 avio_wb16(pb, atoi(t->value));
3703 avio_wb16(pb, language_code("eng")); /* language */
3704 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
3705 if (!strcmp(tag, "albm") &&
3706 (t = av_dict_get(s->metadata, "track", NULL, 0)))
3707 avio_w8(pb, atoi(t->value));
3709 return update_size(pb, pos);
3712 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
3714 int64_t pos = avio_tell(pb);
3715 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
3717 avio_wb32(pb, 0); // size
3718 ffio_wfourcc(pb, "chpl");
3719 avio_wb32(pb, 0x01000000); // version + flags
3720 avio_wb32(pb, 0); // unknown
3721 avio_w8(pb, nb_chapters);
3723 for (i = 0; i < nb_chapters; i++) {
3724 AVChapter *c = s->chapters[i];
3725 AVDictionaryEntry *t;
3726 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
3728 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3729 int len = FFMIN(strlen(t->value), 255);
3731 avio_write(pb, t->value, len);
3735 return update_size(pb, pos);
3738 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3741 AVIOContext *pb_buf;
3745 ret = avio_open_dyn_buf(&pb_buf);
3749 if (mov->mode & MODE_3GP) {
3750 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
3751 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
3752 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
3753 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
3754 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
3755 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
3756 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
3757 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
3758 mov_write_loci_tag(s, pb_buf);
3759 } 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
3760 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
3761 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
3762 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
3763 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
3764 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
3765 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
3766 // currently ignored by mov.c
3767 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
3768 // add support for libquicktime, this atom is also actually read by mov.c
3769 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
3770 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
3771 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
3772 mov_write_string_metadata(s, pb_buf, "\251mak", "make", 0);
3773 mov_write_string_metadata(s, pb_buf, "\251mod", "model", 0);
3774 mov_write_string_metadata(s, pb_buf, "\251xyz", "location", 0);
3775 mov_write_string_metadata(s, pb_buf, "\251key", "keywords", 0);
3776 mov_write_raw_metadata_tag(s, pb_buf, "XMP_", "xmp");
3778 /* iTunes meta data */
3779 mov_write_meta_tag(pb_buf, mov, s);
3780 mov_write_loci_tag(s, pb_buf);
3783 if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
3784 mov_write_chpl_tag(pb_buf, s);
3786 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
3787 avio_wb32(pb, size + 8);
3788 ffio_wfourcc(pb, "udta");
3789 avio_write(pb, buf, size);
3796 static void mov_write_psp_udta_tag(AVIOContext *pb,
3797 const char *str, const char *lang, int type)
3799 int len = utf8len(str) + 1;
3802 avio_wb16(pb, len * 2 + 10); /* size */
3803 avio_wb32(pb, type); /* type */
3804 avio_wb16(pb, language_code(lang)); /* language */
3805 avio_wb16(pb, 0x01); /* ? */
3806 ascii_to_wc(pb, str);
3809 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
3811 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
3815 pos = avio_tell(pb);
3816 avio_wb32(pb, 0); /* size placeholder*/
3817 ffio_wfourcc(pb, "uuid");
3818 ffio_wfourcc(pb, "USMT");
3819 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
3820 avio_wb32(pb, 0xbb88695c);
3821 avio_wb32(pb, 0xfac9c740);
3823 pos2 = avio_tell(pb);
3824 avio_wb32(pb, 0); /* size placeholder*/
3825 ffio_wfourcc(pb, "MTDT");
3829 avio_wb16(pb, 0x0C); /* size */
3830 avio_wb32(pb, 0x0B); /* type */
3831 avio_wb16(pb, language_code("und")); /* language */
3832 avio_wb16(pb, 0x0); /* ? */
3833 avio_wb16(pb, 0x021C); /* data */
3835 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3836 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
3837 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
3838 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
3840 update_size(pb, pos2);
3841 return update_size(pb, pos);
3847 static void build_chunks(MOVTrack *trk)
3850 MOVIentry *chunk = &trk->cluster[0];
3851 uint64_t chunkSize = chunk->size;
3852 chunk->chunkNum = 1;
3853 if (trk->chunkCount)
3855 trk->chunkCount = 1;
3856 for (i = 1; i<trk->entry; i++){
3857 if (chunk->pos + chunkSize == trk->cluster[i].pos &&
3858 chunkSize + trk->cluster[i].size < (1<<20)){
3859 chunkSize += trk->cluster[i].size;
3860 chunk->samples_in_chunk += trk->cluster[i].entries;
3862 trk->cluster[i].chunkNum = chunk->chunkNum+1;
3863 chunk=&trk->cluster[i];
3864 chunkSize = chunk->size;
3871 * Assign track ids. If option "use_stream_ids_as_track_ids" is set,
3872 * the stream ids are used as track ids.
3874 * This assumes mov->tracks and s->streams are in the same order and
3875 * there are no gaps in either of them (so mov->tracks[n] refers to
3878 * As an exception, there can be more entries in
3879 * s->streams than in mov->tracks, in which case new track ids are
3880 * generated (starting after the largest found stream id).
3882 static int mov_setup_track_ids(MOVMuxContext *mov, AVFormatContext *s)
3886 if (mov->track_ids_ok)
3889 if (mov->use_stream_ids_as_track_ids) {
3890 int next_generated_track_id = 0;
3891 for (i = 0; i < s->nb_streams; i++) {
3892 if (s->streams[i]->id > next_generated_track_id)
3893 next_generated_track_id = s->streams[i]->id;
3896 for (i = 0; i < mov->nb_streams; i++) {
3897 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3900 mov->tracks[i].track_id = i >= s->nb_streams ? ++next_generated_track_id : s->streams[i]->id;
3903 for (i = 0; i < mov->nb_streams; i++) {
3904 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3907 mov->tracks[i].track_id = i + 1;
3911 mov->track_ids_ok = 1;
3916 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
3920 int64_t pos = avio_tell(pb);
3921 avio_wb32(pb, 0); /* size placeholder*/
3922 ffio_wfourcc(pb, "moov");
3924 mov_setup_track_ids(mov, s);
3926 for (i = 0; i < mov->nb_streams; i++) {
3927 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3930 mov->tracks[i].time = mov->time;
3932 if (mov->tracks[i].entry)
3933 build_chunks(&mov->tracks[i]);
3936 if (mov->chapter_track)
3937 for (i = 0; i < s->nb_streams; i++) {
3938 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
3939 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
3941 for (i = 0; i < mov->nb_streams; i++) {
3942 MOVTrack *track = &mov->tracks[i];
3943 if (track->tag == MKTAG('r','t','p',' ')) {
3944 track->tref_tag = MKTAG('h','i','n','t');
3945 track->tref_id = mov->tracks[track->src_track].track_id;
3946 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
3947 int * fallback, size;
3948 fallback = (int*)av_stream_get_side_data(track->st,
3949 AV_PKT_DATA_FALLBACK_TRACK,
3951 if (fallback != NULL && size == sizeof(int)) {
3952 if (*fallback >= 0 && *fallback < mov->nb_streams) {
3953 track->tref_tag = MKTAG('f','a','l','l');
3954 track->tref_id = mov->tracks[*fallback].track_id;
3959 for (i = 0; i < mov->nb_streams; i++) {
3960 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
3961 int src_trk = mov->tracks[i].src_track;
3962 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
3963 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
3964 //src_trk may have a different timescale than the tmcd track
3965 mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration,
3966 mov->tracks[i].timescale,
3967 mov->tracks[src_trk].timescale);
3971 mov_write_mvhd_tag(pb, mov);
3972 if (mov->mode != MODE_MOV && !mov->iods_skip)
3973 mov_write_iods_tag(pb, mov);
3974 for (i = 0; i < mov->nb_streams; i++) {
3975 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
3976 int ret = mov_write_trak_tag(s, pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
3981 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
3982 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
3984 if (mov->mode == MODE_PSP)
3985 mov_write_uuidusmt_tag(pb, s);
3987 mov_write_udta_tag(pb, mov, s);
3989 return update_size(pb, pos);
3992 static void param_write_int(AVIOContext *pb, const char *name, int value)
3994 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
3997 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
3999 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
4002 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
4005 len = FFMIN(sizeof(buf) / 2 - 1, len);
4006 ff_data_to_hex(buf, value, len, 0);
4007 buf[2 * len] = '\0';
4008 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
4011 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
4013 int64_t pos = avio_tell(pb);
4015 int64_t manifest_bit_rate = 0;
4016 AVCPBProperties *props = NULL;
4018 static const uint8_t uuid[] = {
4019 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
4020 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
4024 ffio_wfourcc(pb, "uuid");
4025 avio_write(pb, uuid, sizeof(uuid));
4028 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
4029 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
4030 avio_printf(pb, "<head>\n");
4031 if (!(mov->fc->flags & AVFMT_FLAG_BITEXACT))
4032 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
4034 avio_printf(pb, "</head>\n");
4035 avio_printf(pb, "<body>\n");
4036 avio_printf(pb, "<switch>\n");
4038 mov_setup_track_ids(mov, s);
4040 for (i = 0; i < mov->nb_streams; i++) {
4041 MOVTrack *track = &mov->tracks[i];
4043 int track_id = track->track_id;
4044 char track_name_buf[32] = { 0 };
4046 AVStream *st = track->st;
4047 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
4049 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO && !is_cover_image(st)) {
4051 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
4057 props = (AVCPBProperties*)av_stream_get_side_data(track->st, AV_PKT_DATA_CPB_PROPERTIES, NULL);
4059 if (track->par->bit_rate) {
4060 manifest_bit_rate = track->par->bit_rate;
4062 manifest_bit_rate = props->max_bitrate;
4065 avio_printf(pb, "<%s systemBitrate=\"%"PRId64"\">\n", type,
4067 param_write_int(pb, "systemBitrate", manifest_bit_rate);
4068 param_write_int(pb, "trackID", track_id);
4069 param_write_string(pb, "systemLanguage", lang ? lang->value : "und");
4071 /* Build track name piece by piece: */
4073 av_strlcat(track_name_buf, type, sizeof(track_name_buf));
4074 /* 2. track language, if available */
4076 av_strlcatf(track_name_buf, sizeof(track_name_buf),
4077 "_%s", lang->value);
4078 /* 3. special type suffix */
4079 /* "_cc" = closed captions, "_ad" = audio_description */
4080 if (st->disposition & AV_DISPOSITION_HEARING_IMPAIRED)
4081 av_strlcat(track_name_buf, "_cc", sizeof(track_name_buf));
4082 else if (st->disposition & AV_DISPOSITION_VISUAL_IMPAIRED)
4083 av_strlcat(track_name_buf, "_ad", sizeof(track_name_buf));
4085 param_write_string(pb, "trackName", track_name_buf);
4087 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
4088 if (track->par->codec_id == AV_CODEC_ID_H264) {
4090 int size = track->par->extradata_size;
4091 if (!ff_avc_write_annexb_extradata(track->par->extradata, &ptr,
4093 param_write_hex(pb, "CodecPrivateData",
4094 ptr ? ptr : track->par->extradata,
4098 param_write_string(pb, "FourCC", "H264");
4099 } else if (track->par->codec_id == AV_CODEC_ID_VC1) {
4100 param_write_string(pb, "FourCC", "WVC1");
4101 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
4102 track->par->extradata_size);
4104 param_write_int(pb, "MaxWidth", track->par->width);
4105 param_write_int(pb, "MaxHeight", track->par->height);
4106 param_write_int(pb, "DisplayWidth", track->par->width);
4107 param_write_int(pb, "DisplayHeight", track->par->height);
4109 if (track->par->codec_id == AV_CODEC_ID_AAC) {
4110 switch (track->par->profile)
4112 case FF_PROFILE_AAC_HE_V2:
4113 param_write_string(pb, "FourCC", "AACP");
4115 case FF_PROFILE_AAC_HE:
4116 param_write_string(pb, "FourCC", "AACH");
4119 param_write_string(pb, "FourCC", "AACL");
4121 } else if (track->par->codec_id == AV_CODEC_ID_WMAPRO) {
4122 param_write_string(pb, "FourCC", "WMAP");
4124 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
4125 track->par->extradata_size);
4126 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
4127 track->par->codec_id));
4128 param_write_int(pb, "Channels", track->par->channels);
4129 param_write_int(pb, "SamplingRate", track->par->sample_rate);
4130 param_write_int(pb, "BitsPerSample", 16);
4131 param_write_int(pb, "PacketSize", track->par->block_align ?
4132 track->par->block_align : 4);
4134 avio_printf(pb, "</%s>\n", type);
4136 avio_printf(pb, "</switch>\n");
4137 avio_printf(pb, "</body>\n");
4138 avio_printf(pb, "</smil>\n");
4140 return update_size(pb, pos);
4143 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
4146 ffio_wfourcc(pb, "mfhd");
4148 avio_wb32(pb, mov->fragments);
4152 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
4154 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
4155 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
4158 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
4159 MOVTrack *track, int64_t moof_offset)
4161 int64_t pos = avio_tell(pb);
4162 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
4163 MOV_TFHD_BASE_DATA_OFFSET;
4164 if (!track->entry) {
4165 flags |= MOV_TFHD_DURATION_IS_EMPTY;
4167 flags |= MOV_TFHD_DEFAULT_FLAGS;
4169 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
4170 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
4171 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) {
4172 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
4173 flags |= MOV_TFHD_DEFAULT_BASE_IS_MOOF;
4176 /* Don't set a default sample size, the silverlight player refuses
4177 * to play files with that set. Don't set a default sample duration,
4178 * WMP freaks out if it is set. Don't set a base data offset, PIFF
4179 * file format says it MUST NOT be set. */
4180 if (track->mode == MODE_ISM)
4181 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
4182 MOV_TFHD_BASE_DATA_OFFSET);
4184 avio_wb32(pb, 0); /* size placeholder */
4185 ffio_wfourcc(pb, "tfhd");
4186 avio_w8(pb, 0); /* version */
4187 avio_wb24(pb, flags);
4189 avio_wb32(pb, track->track_id); /* track-id */
4190 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
4191 avio_wb64(pb, moof_offset);
4192 if (flags & MOV_TFHD_DEFAULT_DURATION) {
4193 track->default_duration = get_cluster_duration(track, 0);
4194 avio_wb32(pb, track->default_duration);
4196 if (flags & MOV_TFHD_DEFAULT_SIZE) {
4197 track->default_size = track->entry ? track->cluster[0].size : 1;
4198 avio_wb32(pb, track->default_size);
4200 track->default_size = -1;
4202 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
4203 /* Set the default flags based on the second sample, if available.
4204 * If the first sample is different, that can be signaled via a separate field. */
4205 if (track->entry > 1)
4206 track->default_sample_flags = get_sample_flags(track, &track->cluster[1]);
4208 track->default_sample_flags =
4209 track->par->codec_type == AVMEDIA_TYPE_VIDEO ?
4210 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
4211 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
4212 avio_wb32(pb, track->default_sample_flags);
4215 return update_size(pb, pos);
4218 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
4219 MOVTrack *track, int moof_size,
4222 int64_t pos = avio_tell(pb);
4223 uint32_t flags = MOV_TRUN_DATA_OFFSET;
4226 for (i = first; i < end; i++) {
4227 if (get_cluster_duration(track, i) != track->default_duration)
4228 flags |= MOV_TRUN_SAMPLE_DURATION;
4229 if (track->cluster[i].size != track->default_size)
4230 flags |= MOV_TRUN_SAMPLE_SIZE;
4231 if (i > first && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
4232 flags |= MOV_TRUN_SAMPLE_FLAGS;
4234 if (!(flags & MOV_TRUN_SAMPLE_FLAGS) && track->entry > 0 &&
4235 get_sample_flags(track, &track->cluster[0]) != track->default_sample_flags)
4236 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
4237 if (track->flags & MOV_TRACK_CTTS)
4238 flags |= MOV_TRUN_SAMPLE_CTS;
4240 avio_wb32(pb, 0); /* size placeholder */
4241 ffio_wfourcc(pb, "trun");
4242 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4243 avio_w8(pb, 1); /* version */
4245 avio_w8(pb, 0); /* version */
4246 avio_wb24(pb, flags);
4248 avio_wb32(pb, end - first); /* sample count */
4249 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
4250 !(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) &&
4252 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
4254 avio_wb32(pb, moof_size + 8 + track->data_offset +
4255 track->cluster[first].pos); /* data offset */
4256 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
4257 avio_wb32(pb, get_sample_flags(track, &track->cluster[first]));
4259 for (i = first; i < end; i++) {
4260 if (flags & MOV_TRUN_SAMPLE_DURATION)
4261 avio_wb32(pb, get_cluster_duration(track, i));
4262 if (flags & MOV_TRUN_SAMPLE_SIZE)
4263 avio_wb32(pb, track->cluster[i].size);
4264 if (flags & MOV_TRUN_SAMPLE_FLAGS)
4265 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
4266 if (flags & MOV_TRUN_SAMPLE_CTS)
4267 avio_wb32(pb, track->cluster[i].cts);
4270 mov->first_trun = 0;
4271 return update_size(pb, pos);
4274 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
4276 int64_t pos = avio_tell(pb);
4277 static const uint8_t uuid[] = {
4278 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
4279 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
4282 avio_wb32(pb, 0); /* size placeholder */
4283 ffio_wfourcc(pb, "uuid");
4284 avio_write(pb, uuid, sizeof(uuid));
4287 avio_wb64(pb, track->start_dts + track->frag_start +
4288 track->cluster[0].cts);
4289 avio_wb64(pb, track->end_pts -
4290 (track->cluster[0].dts + track->cluster[0].cts));
4292 return update_size(pb, pos);
4295 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
4296 MOVTrack *track, int entry)
4298 int n = track->nb_frag_info - 1 - entry, i;
4299 int size = 8 + 16 + 4 + 1 + 16*n;
4300 static const uint8_t uuid[] = {
4301 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
4302 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
4308 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
4309 avio_wb32(pb, size);
4310 ffio_wfourcc(pb, "uuid");
4311 avio_write(pb, uuid, sizeof(uuid));
4315 for (i = 0; i < n; i++) {
4316 int index = entry + 1 + i;
4317 avio_wb64(pb, track->frag_info[index].time);
4318 avio_wb64(pb, track->frag_info[index].duration);
4320 if (n < mov->ism_lookahead) {
4321 int free_size = 16 * (mov->ism_lookahead - n);
4322 avio_wb32(pb, free_size);
4323 ffio_wfourcc(pb, "free");
4324 ffio_fill(pb, 0, free_size - 8);
4330 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
4333 int64_t pos = avio_tell(pb);
4335 for (i = 0; i < mov->ism_lookahead; i++) {
4336 /* Update the tfrf tag for the last ism_lookahead fragments,
4337 * nb_frag_info - 1 is the next fragment to be written. */
4338 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
4340 avio_seek(pb, pos, SEEK_SET);
4344 static int mov_add_tfra_entries(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4348 for (i = 0; i < mov->nb_streams; i++) {
4349 MOVTrack *track = &mov->tracks[i];
4350 MOVFragmentInfo *info;
4351 if ((tracks >= 0 && i != tracks) || !track->entry)
4353 track->nb_frag_info++;
4354 if (track->nb_frag_info >= track->frag_info_capacity) {
4355 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
4356 if (av_reallocp_array(&track->frag_info,
4358 sizeof(*track->frag_info)))
4359 return AVERROR(ENOMEM);
4360 track->frag_info_capacity = new_capacity;
4362 info = &track->frag_info[track->nb_frag_info - 1];
4363 info->offset = avio_tell(pb);
4365 // Try to recreate the original pts for the first packet
4366 // from the fields we have stored
4367 info->time = track->start_dts + track->frag_start +
4368 track->cluster[0].cts;
4369 info->duration = track->end_pts -
4370 (track->cluster[0].dts + track->cluster[0].cts);
4371 // If the pts is less than zero, we will have trimmed
4372 // away parts of the media track using an edit list,
4373 // and the corresponding start presentation time is zero.
4374 if (info->time < 0) {
4375 info->duration += info->time;
4378 info->tfrf_offset = 0;
4379 mov_write_tfrf_tags(pb, mov, track);
4384 static void mov_prune_frag_info(MOVMuxContext *mov, int tracks, int max)
4387 for (i = 0; i < mov->nb_streams; i++) {
4388 MOVTrack *track = &mov->tracks[i];
4389 if ((tracks >= 0 && i != tracks) || !track->entry)
4391 if (track->nb_frag_info > max) {
4392 memmove(track->frag_info, track->frag_info + (track->nb_frag_info - max), max * sizeof(*track->frag_info));
4393 track->nb_frag_info = max;
4398 static int mov_write_tfdt_tag(AVIOContext *pb, MOVTrack *track)
4400 int64_t pos = avio_tell(pb);
4402 avio_wb32(pb, 0); /* size */
4403 ffio_wfourcc(pb, "tfdt");
4404 avio_w8(pb, 1); /* version */
4406 avio_wb64(pb, track->frag_start);
4407 return update_size(pb, pos);
4410 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
4411 MOVTrack *track, int64_t moof_offset,
4414 int64_t pos = avio_tell(pb);
4416 avio_wb32(pb, 0); /* size placeholder */
4417 ffio_wfourcc(pb, "traf");
4419 mov_write_tfhd_tag(pb, mov, track, moof_offset);
4420 if (mov->mode != MODE_ISM)
4421 mov_write_tfdt_tag(pb, track);
4422 for (i = 1; i < track->entry; i++) {
4423 if (track->cluster[i].pos != track->cluster[i - 1].pos + track->cluster[i - 1].size) {
4424 mov_write_trun_tag(pb, mov, track, moof_size, start, i);
4428 mov_write_trun_tag(pb, mov, track, moof_size, start, track->entry);
4429 if (mov->mode == MODE_ISM) {
4430 mov_write_tfxd_tag(pb, track);
4432 if (mov->ism_lookahead) {
4433 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
4435 if (track->nb_frag_info > 0) {
4436 MOVFragmentInfo *info = &track->frag_info[track->nb_frag_info - 1];
4437 if (!info->tfrf_offset)
4438 info->tfrf_offset = avio_tell(pb);
4440 avio_wb32(pb, 8 + size);
4441 ffio_wfourcc(pb, "free");
4442 for (i = 0; i < size; i++)
4447 return update_size(pb, pos);
4450 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
4451 int tracks, int moof_size)
4453 int64_t pos = avio_tell(pb);
4456 avio_wb32(pb, 0); /* size placeholder */
4457 ffio_wfourcc(pb, "moof");
4458 mov->first_trun = 1;
4460 mov_write_mfhd_tag(pb, mov);
4461 for (i = 0; i < mov->nb_streams; i++) {
4462 MOVTrack *track = &mov->tracks[i];
4463 if (tracks >= 0 && i != tracks)
4467 mov_write_traf_tag(pb, mov, track, pos, moof_size);
4470 return update_size(pb, pos);
4473 static int mov_write_sidx_tag(AVIOContext *pb,
4474 MOVTrack *track, int ref_size, int total_sidx_size)
4476 int64_t pos = avio_tell(pb), offset_pos, end_pos;
4477 int64_t presentation_time, duration, offset;
4478 int starts_with_SAP, i, entries;
4482 presentation_time = track->start_dts + track->frag_start +
4483 track->cluster[0].cts;
4484 duration = track->end_pts -
4485 (track->cluster[0].dts + track->cluster[0].cts);
4486 starts_with_SAP = track->cluster[0].flags & MOV_SYNC_SAMPLE;
4488 // pts<0 should be cut away using edts
4489 if (presentation_time < 0) {
4490 duration += presentation_time;
4491 presentation_time = 0;
4494 entries = track->nb_frag_info;
4497 presentation_time = track->frag_info[0].time;
4500 avio_wb32(pb, 0); /* size */
4501 ffio_wfourcc(pb, "sidx");
4502 avio_w8(pb, 1); /* version */
4504 avio_wb32(pb, track->track_id); /* reference_ID */
4505 avio_wb32(pb, track->timescale); /* timescale */
4506 avio_wb64(pb, presentation_time); /* earliest_presentation_time */
4507 offset_pos = avio_tell(pb);
4508 avio_wb64(pb, 0); /* first_offset (offset to referenced moof) */
4509 avio_wb16(pb, 0); /* reserved */
4511 avio_wb16(pb, entries); /* reference_count */
4512 for (i = 0; i < entries; i++) {
4513 if (!track->entry) {
4514 if (i > 1 && track->frag_info[i].offset != track->frag_info[i - 1].offset + track->frag_info[i - 1].size) {
4515 av_log(NULL, AV_LOG_ERROR, "Non-consecutive fragments, writing incorrect sidx\n");
4517 duration = track->frag_info[i].duration;
4518 ref_size = track->frag_info[i].size;
4519 starts_with_SAP = 1;
4521 avio_wb32(pb, (0 << 31) | (ref_size & 0x7fffffff)); /* reference_type (0 = media) | referenced_size */
4522 avio_wb32(pb, duration); /* subsegment_duration */
4523 avio_wb32(pb, (starts_with_SAP << 31) | (0 << 28) | 0); /* starts_with_SAP | SAP_type | SAP_delta_time */
4526 end_pos = avio_tell(pb);
4527 offset = pos + total_sidx_size - end_pos;
4528 avio_seek(pb, offset_pos, SEEK_SET);
4529 avio_wb64(pb, offset);
4530 avio_seek(pb, end_pos, SEEK_SET);
4531 return update_size(pb, pos);
4534 static int mov_write_sidx_tags(AVIOContext *pb, MOVMuxContext *mov,
4535 int tracks, int ref_size)
4538 AVIOContext *avio_buf;
4540 for (round = 0; round < 2; round++) {
4541 // First run one round to calculate the total size of all
4543 // This would be much simpler if we'd only write one sidx
4544 // atom, for the first track in the moof.
4546 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4551 for (i = 0; i < mov->nb_streams; i++) {
4552 MOVTrack *track = &mov->tracks[i];
4553 if (tracks >= 0 && i != tracks)
4555 // When writing a sidx for the full file, entry is 0, but
4556 // we want to include all tracks. ref_size is 0 in this case,
4557 // since we read it from frag_info instead.
4558 if (!track->entry && ref_size > 0)
4560 total_size -= mov_write_sidx_tag(avio_buf, track, ref_size,
4564 total_size = ffio_close_null_buf(avio_buf);
4569 static int mov_write_prft_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
4571 int64_t pos = avio_tell(pb), pts_us, ntp_ts;
4572 MOVTrack *first_track;
4574 /* PRFT should be associated with at most one track. So, choosing only the
4578 first_track = &(mov->tracks[0]);
4580 if (!first_track->entry) {
4581 av_log(mov->fc, AV_LOG_WARNING, "Unable to write PRFT, no entries in the track\n");
4585 if (first_track->cluster[0].pts == AV_NOPTS_VALUE) {
4586 av_log(mov->fc, AV_LOG_WARNING, "Unable to write PRFT, first PTS is invalid\n");
4590 if (mov->write_prft == MOV_PRFT_SRC_WALLCLOCK) {
4591 ntp_ts = ff_get_formatted_ntp_time(ff_ntp_time());
4592 } else if (mov->write_prft == MOV_PRFT_SRC_PTS) {
4593 pts_us = av_rescale_q(first_track->cluster[0].pts,
4594 first_track->st->time_base, AV_TIME_BASE_Q);
4595 ntp_ts = ff_get_formatted_ntp_time(pts_us + NTP_OFFSET_US);
4597 av_log(mov->fc, AV_LOG_WARNING, "Unsupported PRFT box configuration: %d\n",
4602 avio_wb32(pb, 0); // Size place holder
4603 ffio_wfourcc(pb, "prft"); // Type
4604 avio_w8(pb, 1); // Version
4605 avio_wb24(pb, 0); // Flags
4606 avio_wb32(pb, first_track->track_id); // reference track ID
4607 avio_wb64(pb, ntp_ts); // NTP time stamp
4608 avio_wb64(pb, first_track->cluster[0].pts); //media time
4609 return update_size(pb, pos);
4612 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4615 AVIOContext *avio_buf;
4618 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4620 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
4621 moof_size = ffio_close_null_buf(avio_buf);
4623 if (mov->flags & FF_MOV_FLAG_DASH &&
4624 !(mov->flags & (FF_MOV_FLAG_GLOBAL_SIDX | FF_MOV_FLAG_SKIP_SIDX)))
4625 mov_write_sidx_tags(pb, mov, tracks, moof_size + 8 + mdat_size);
4627 if (mov->write_prft > MOV_PRFT_NONE && mov->write_prft < MOV_PRFT_NB)
4628 mov_write_prft_tag(pb, mov, tracks);
4630 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX ||
4631 !(mov->flags & FF_MOV_FLAG_SKIP_TRAILER) ||
4632 mov->ism_lookahead) {
4633 if ((ret = mov_add_tfra_entries(pb, mov, tracks, moof_size + 8 + mdat_size)) < 0)
4635 if (!(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) &&
4636 mov->flags & FF_MOV_FLAG_SKIP_TRAILER) {
4637 mov_prune_frag_info(mov, tracks, mov->ism_lookahead + 1);
4641 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
4644 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
4646 int64_t pos = avio_tell(pb);
4649 avio_wb32(pb, 0); /* size placeholder */
4650 ffio_wfourcc(pb, "tfra");
4651 avio_w8(pb, 1); /* version */
4654 avio_wb32(pb, track->track_id);
4655 avio_wb32(pb, 0); /* length of traf/trun/sample num */
4656 avio_wb32(pb, track->nb_frag_info);
4657 for (i = 0; i < track->nb_frag_info; i++) {
4658 avio_wb64(pb, track->frag_info[i].time);
4659 avio_wb64(pb, track->frag_info[i].offset + track->data_offset);
4660 avio_w8(pb, 1); /* traf number */
4661 avio_w8(pb, 1); /* trun number */
4662 avio_w8(pb, 1); /* sample number */
4665 return update_size(pb, pos);
4668 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
4670 int64_t pos = avio_tell(pb);
4673 avio_wb32(pb, 0); /* size placeholder */
4674 ffio_wfourcc(pb, "mfra");
4675 /* An empty mfra atom is enough to indicate to the publishing point that
4676 * the stream has ended. */
4677 if (mov->flags & FF_MOV_FLAG_ISML)
4678 return update_size(pb, pos);
4680 for (i = 0; i < mov->nb_streams; i++) {
4681 MOVTrack *track = &mov->tracks[i];
4682 if (track->nb_frag_info)
4683 mov_write_tfra_tag(pb, track);
4687 ffio_wfourcc(pb, "mfro");
4688 avio_wb32(pb, 0); /* version + flags */
4689 avio_wb32(pb, avio_tell(pb) + 4 - pos);
4691 return update_size(pb, pos);
4694 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
4696 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
4697 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
4699 mov->mdat_pos = avio_tell(pb);
4700 avio_wb32(pb, 0); /* size placeholder*/
4701 ffio_wfourcc(pb, "mdat");
4705 /* TODO: This needs to be more general */
4706 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
4708 MOVMuxContext *mov = s->priv_data;
4709 int64_t pos = avio_tell(pb);
4710 int has_h264 = 0, has_video = 0;
4714 for (i = 0; i < s->nb_streams; i++) {
4715 AVStream *st = s->streams[i];
4716 if (is_cover_image(st))
4718 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
4720 if (st->codecpar->codec_id == AV_CODEC_ID_H264)
4724 avio_wb32(pb, 0); /* size */
4725 ffio_wfourcc(pb, "ftyp");
4727 if (mov->major_brand && strlen(mov->major_brand) >= 4)
4728 ffio_wfourcc(pb, mov->major_brand);
4729 else if (mov->mode == MODE_3GP) {
4730 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
4731 minor = has_h264 ? 0x100 : 0x200;
4732 } else if (mov->mode & MODE_3G2) {
4733 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
4734 minor = has_h264 ? 0x20000 : 0x10000;
4735 } else if (mov->mode == MODE_PSP)
4736 ffio_wfourcc(pb, "MSNV");
4737 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
4738 ffio_wfourcc(pb, "iso5"); // Required when using default-base-is-moof
4739 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4740 ffio_wfourcc(pb, "iso4");
4741 else if (mov->mode == MODE_MP4)
4742 ffio_wfourcc(pb, "isom");
4743 else if (mov->mode == MODE_IPOD)
4744 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
4745 else if (mov->mode == MODE_ISM)
4746 ffio_wfourcc(pb, "isml");
4747 else if (mov->mode == MODE_F4V)
4748 ffio_wfourcc(pb, "f4v ");
4750 ffio_wfourcc(pb, "qt ");
4752 avio_wb32(pb, minor);
4754 if (mov->mode == MODE_MOV)
4755 ffio_wfourcc(pb, "qt ");
4756 else if (mov->mode == MODE_ISM) {
4757 ffio_wfourcc(pb, "piff");
4758 } else if (!(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)) {
4759 ffio_wfourcc(pb, "isom");
4760 ffio_wfourcc(pb, "iso2");
4762 ffio_wfourcc(pb, "avc1");
4765 // We add tfdt atoms when fragmenting, signal this with the iso6 compatible
4766 // brand. This is compatible with users that don't understand tfdt.
4767 if (mov->flags & FF_MOV_FLAG_FRAGMENT && mov->mode != MODE_ISM)
4768 ffio_wfourcc(pb, "iso6");
4770 if (mov->mode == MODE_3GP)
4771 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
4772 else if (mov->mode & MODE_3G2)
4773 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
4774 else if (mov->mode == MODE_PSP)
4775 ffio_wfourcc(pb, "MSNV");
4776 else if (mov->mode == MODE_MP4)
4777 ffio_wfourcc(pb, "mp41");
4779 if (mov->flags & FF_MOV_FLAG_DASH && mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
4780 ffio_wfourcc(pb, "dash");
4782 return update_size(pb, pos);
4785 static int mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
4787 AVStream *video_st = s->streams[0];
4788 AVCodecParameters *video_par = s->streams[0]->codecpar;
4789 AVCodecParameters *audio_par = s->streams[1]->codecpar;
4790 int audio_rate = audio_par->sample_rate;
4791 int64_t frame_rate = video_st->avg_frame_rate.den ?
4792 (video_st->avg_frame_rate.num * 0x10000LL) / video_st->avg_frame_rate.den :
4794 int audio_kbitrate = audio_par->bit_rate / 1000;
4795 int video_kbitrate = FFMIN(video_par->bit_rate / 1000, 800 - audio_kbitrate);
4797 if (frame_rate < 0 || frame_rate > INT32_MAX) {
4798 av_log(s, AV_LOG_ERROR, "Frame rate %f outside supported range\n", frame_rate / (double)0x10000);
4799 return AVERROR(EINVAL);
4802 avio_wb32(pb, 0x94); /* size */
4803 ffio_wfourcc(pb, "uuid");
4804 ffio_wfourcc(pb, "PROF");
4806 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
4807 avio_wb32(pb, 0xbb88695c);
4808 avio_wb32(pb, 0xfac9c740);
4810 avio_wb32(pb, 0x0); /* ? */
4811 avio_wb32(pb, 0x3); /* 3 sections ? */
4813 avio_wb32(pb, 0x14); /* size */
4814 ffio_wfourcc(pb, "FPRF");
4815 avio_wb32(pb, 0x0); /* ? */
4816 avio_wb32(pb, 0x0); /* ? */
4817 avio_wb32(pb, 0x0); /* ? */
4819 avio_wb32(pb, 0x2c); /* size */
4820 ffio_wfourcc(pb, "APRF"); /* audio */
4822 avio_wb32(pb, 0x2); /* TrackID */
4823 ffio_wfourcc(pb, "mp4a");
4824 avio_wb32(pb, 0x20f);
4826 avio_wb32(pb, audio_kbitrate);
4827 avio_wb32(pb, audio_kbitrate);
4828 avio_wb32(pb, audio_rate);
4829 avio_wb32(pb, audio_par->channels);
4831 avio_wb32(pb, 0x34); /* size */
4832 ffio_wfourcc(pb, "VPRF"); /* video */
4834 avio_wb32(pb, 0x1); /* TrackID */
4835 if (video_par->codec_id == AV_CODEC_ID_H264) {
4836 ffio_wfourcc(pb, "avc1");
4837 avio_wb16(pb, 0x014D);
4838 avio_wb16(pb, 0x0015);
4840 ffio_wfourcc(pb, "mp4v");
4841 avio_wb16(pb, 0x0000);
4842 avio_wb16(pb, 0x0103);
4845 avio_wb32(pb, video_kbitrate);
4846 avio_wb32(pb, video_kbitrate);
4847 avio_wb32(pb, frame_rate);
4848 avio_wb32(pb, frame_rate);
4849 avio_wb16(pb, video_par->width);
4850 avio_wb16(pb, video_par->height);
4851 avio_wb32(pb, 0x010001); /* ? */
4856 static int mov_write_identification(AVIOContext *pb, AVFormatContext *s)
4858 MOVMuxContext *mov = s->priv_data;
4861 mov_write_ftyp_tag(pb,s);
4862 if (mov->mode == MODE_PSP) {
4863 int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
4864 for (i = 0; i < s->nb_streams; i++) {
4865 AVStream *st = s->streams[i];
4866 if (is_cover_image(st))
4868 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
4870 else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
4876 if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
4877 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
4878 return AVERROR(EINVAL);
4880 return mov_write_uuidprof_tag(pb, s);
4885 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
4888 int i, closed_gop = 0;
4890 for (i = 0; i < pkt->size - 4; i++) {
4891 c = (c << 8) + pkt->data[i];
4892 if (c == 0x1b8) { // gop
4893 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
4894 } else if (c == 0x100) { // pic
4895 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
4896 if (!temp_ref || closed_gop) // I picture is not reordered
4897 *flags = MOV_SYNC_SAMPLE;
4899 *flags = MOV_PARTIAL_SYNC_SAMPLE;
4906 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk)
4908 const uint8_t *start, *next, *end = pkt->data + pkt->size;
4909 int seq = 0, entry = 0;
4910 int key = pkt->flags & AV_PKT_FLAG_KEY;
4911 start = find_next_marker(pkt->data, end);
4912 for (next = start; next < end; start = next) {
4913 next = find_next_marker(start + 4, end);
4914 switch (AV_RB32(start)) {
4915 case VC1_CODE_SEQHDR:
4918 case VC1_CODE_ENTRYPOINT:
4921 case VC1_CODE_SLICE:
4922 trk->vc1_info.slices = 1;
4926 if (!trk->entry && trk->vc1_info.first_packet_seen)
4927 trk->vc1_info.first_frag_written = 1;
4928 if (!trk->entry && !trk->vc1_info.first_frag_written) {
4929 /* First packet in first fragment */
4930 trk->vc1_info.first_packet_seq = seq;
4931 trk->vc1_info.first_packet_entry = entry;
4932 trk->vc1_info.first_packet_seen = 1;
4933 } else if ((seq && !trk->vc1_info.packet_seq) ||
4934 (entry && !trk->vc1_info.packet_entry)) {
4936 for (i = 0; i < trk->entry; i++)
4937 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
4938 trk->has_keyframes = 0;
4940 trk->vc1_info.packet_seq = 1;
4942 trk->vc1_info.packet_entry = 1;
4943 if (!trk->vc1_info.first_frag_written) {
4944 /* First fragment */
4945 if ((!seq || trk->vc1_info.first_packet_seq) &&
4946 (!entry || trk->vc1_info.first_packet_entry)) {
4947 /* First packet had the same headers as this one, readd the
4948 * sync sample flag. */
4949 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
4950 trk->has_keyframes = 1;
4954 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
4956 else if (trk->vc1_info.packet_seq)
4958 else if (trk->vc1_info.packet_entry)
4961 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
4962 trk->has_keyframes++;
4966 static int mov_flush_fragment_interleaving(AVFormatContext *s, MOVTrack *track)
4968 MOVMuxContext *mov = s->priv_data;
4973 if (!track->mdat_buf)
4975 if (!mov->mdat_buf) {
4976 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
4979 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
4980 track->mdat_buf = NULL;
4982 offset = avio_tell(mov->mdat_buf);
4983 avio_write(mov->mdat_buf, buf, buf_size);
4986 for (i = track->entries_flushed; i < track->entry; i++)
4987 track->cluster[i].pos += offset;
4988 track->entries_flushed = track->entry;
4992 static int mov_flush_fragment(AVFormatContext *s, int force)
4994 MOVMuxContext *mov = s->priv_data;
4995 int i, first_track = -1;
4996 int64_t mdat_size = 0;
4998 int has_video = 0, starts_with_key = 0, first_video_track = 1;
5000 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
5003 // Try to fill in the duration of the last packet in each stream
5004 // from queued packets in the interleave queues. If the flushing
5005 // of fragments was triggered automatically by an AVPacket, we
5006 // already have reliable info for the end of that track, but other
5007 // tracks may need to be filled in.
5008 for (i = 0; i < s->nb_streams; i++) {
5009 MOVTrack *track = &mov->tracks[i];
5010 if (!track->end_reliable) {
5012 if (!ff_interleaved_peek(s, i, &pkt, 1)) {
5013 if (track->dts_shift != AV_NOPTS_VALUE)
5014 pkt.dts += track->dts_shift;
5015 track->track_duration = pkt.dts - track->start_dts;
5016 if (pkt.pts != AV_NOPTS_VALUE)
5017 track->end_pts = pkt.pts;
5019 track->end_pts = pkt.dts;
5024 for (i = 0; i < mov->nb_streams; i++) {
5025 MOVTrack *track = &mov->tracks[i];
5026 if (track->entry <= 1)
5028 // Sample durations are calculated as the diff of dts values,
5029 // but for the last sample in a fragment, we don't know the dts
5030 // of the first sample in the next fragment, so we have to rely
5031 // on what was set as duration in the AVPacket. Not all callers
5032 // set this though, so we might want to replace it with an
5033 // estimate if it currently is zero.
5034 if (get_cluster_duration(track, track->entry - 1) != 0)
5036 // Use the duration (i.e. dts diff) of the second last sample for
5037 // the last one. This is a wild guess (and fatal if it turns out
5038 // to be too long), but probably the best we can do - having a zero
5039 // duration is bad as well.
5040 track->track_duration += get_cluster_duration(track, track->entry - 2);
5041 track->end_pts += get_cluster_duration(track, track->entry - 2);
5042 if (!mov->missing_duration_warned) {
5043 av_log(s, AV_LOG_WARNING,
5044 "Estimating the duration of the last packet in a "
5045 "fragment, consider setting the duration field in "
5046 "AVPacket instead.\n");
5047 mov->missing_duration_warned = 1;
5051 if (!mov->moov_written) {
5052 int64_t pos = avio_tell(s->pb);
5054 int buf_size, moov_size;
5056 for (i = 0; i < mov->nb_streams; i++)
5057 if (!mov->tracks[i].entry && !is_cover_image(mov->tracks[i].st))
5059 /* Don't write the initial moov unless all tracks have data */
5060 if (i < mov->nb_streams && !force)
5063 moov_size = get_moov_size(s);
5064 for (i = 0; i < mov->nb_streams; i++)
5065 mov->tracks[i].data_offset = pos + moov_size + 8;
5067 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_HEADER);
5068 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5069 mov_write_identification(s->pb, s);
5070 if ((ret = mov_write_moov_tag(s->pb, mov, s)) < 0)
5073 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV) {
5074 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5075 mov->reserved_header_pos = avio_tell(s->pb);
5077 mov->moov_written = 1;
5081 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
5082 mov->mdat_buf = NULL;
5083 avio_wb32(s->pb, buf_size + 8);
5084 ffio_wfourcc(s->pb, "mdat");
5085 avio_write(s->pb, buf, buf_size);
5088 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5089 mov->reserved_header_pos = avio_tell(s->pb);
5091 mov->moov_written = 1;
5093 for (i = 0; i < mov->nb_streams; i++) {
5094 if (mov->tracks[i].entry)
5095 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
5096 mov->tracks[i].track_duration -
5097 mov->tracks[i].cluster[0].dts;
5098 mov->tracks[i].entry = 0;
5099 mov->tracks[i].end_reliable = 0;
5105 if (mov->frag_interleave) {
5106 for (i = 0; i < mov->nb_streams; i++) {
5107 MOVTrack *track = &mov->tracks[i];
5109 if ((ret = mov_flush_fragment_interleaving(s, track)) < 0)
5115 mdat_size = avio_tell(mov->mdat_buf);
5118 for (i = 0; i < mov->nb_streams; i++) {
5119 MOVTrack *track = &mov->tracks[i];
5120 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF || mov->frag_interleave)
5121 track->data_offset = 0;
5123 track->data_offset = mdat_size;
5124 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
5126 if (first_video_track) {
5128 starts_with_key = track->cluster[0].flags & MOV_SYNC_SAMPLE;
5129 first_video_track = 0;
5134 if (track->mdat_buf)
5135 mdat_size += avio_tell(track->mdat_buf);
5136 if (first_track < 0)
5143 avio_write_marker(s->pb,
5144 av_rescale(mov->tracks[first_track].cluster[0].dts, AV_TIME_BASE, mov->tracks[first_track].timescale),
5145 (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);
5147 for (i = 0; i < mov->nb_streams; i++) {
5148 MOVTrack *track = &mov->tracks[i];
5149 int buf_size, write_moof = 1, moof_tracks = -1;
5151 int64_t duration = 0;
5154 duration = track->start_dts + track->track_duration -
5155 track->cluster[0].dts;
5156 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
5157 if (!track->mdat_buf)
5159 mdat_size = avio_tell(track->mdat_buf);
5162 write_moof = i == first_track;
5168 mov_write_moof_tag(s->pb, mov, moof_tracks, mdat_size);
5171 avio_wb32(s->pb, mdat_size + 8);
5172 ffio_wfourcc(s->pb, "mdat");
5176 track->frag_start += duration;
5178 track->entries_flushed = 0;
5179 track->end_reliable = 0;
5180 if (!mov->frag_interleave) {
5181 if (!track->mdat_buf)
5183 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
5184 track->mdat_buf = NULL;
5188 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
5189 mov->mdat_buf = NULL;
5192 avio_write(s->pb, buf, buf_size);
5202 static int mov_auto_flush_fragment(AVFormatContext *s, int force)
5204 MOVMuxContext *mov = s->priv_data;
5205 int had_moov = mov->moov_written;
5206 int ret = mov_flush_fragment(s, force);
5209 // If using delay_moov, the first flush only wrote the moov,
5210 // not the actual moof+mdat pair, thus flush once again.
5211 if (!had_moov && mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5212 ret = mov_flush_fragment(s, force);
5216 static int check_pkt(AVFormatContext *s, AVPacket *pkt)
5218 MOVMuxContext *mov = s->priv_data;
5219 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5224 ref = trk->cluster[trk->entry - 1].dts;
5225 } else if ( trk->start_dts != AV_NOPTS_VALUE
5226 && !trk->frag_discont) {
5227 ref = trk->start_dts + trk->track_duration;
5229 ref = pkt->dts; // Skip tests for the first packet
5231 if (trk->dts_shift != AV_NOPTS_VALUE) {
5232 /* With negative CTS offsets we have set an offset to the DTS,
5233 * reverse this for the check. */
5234 ref -= trk->dts_shift;
5237 duration = pkt->dts - ref;
5238 if (pkt->dts < ref || duration >= INT_MAX) {
5239 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n",
5244 pkt->pts = AV_NOPTS_VALUE;
5247 if (pkt->duration < 0 || pkt->duration > INT_MAX) {
5248 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" is invalid\n", pkt->duration);
5249 return AVERROR(EINVAL);
5254 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
5256 MOVMuxContext *mov = s->priv_data;
5257 AVIOContext *pb = s->pb;
5258 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5259 AVCodecParameters *par = trk->par;
5260 unsigned int samples_in_chunk = 0;
5261 int size = pkt->size, ret = 0;
5262 uint8_t *reformatted_data = NULL;
5264 ret = check_pkt(s, pkt);
5268 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
5270 if (mov->moov_written || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
5271 if (mov->frag_interleave && mov->fragments > 0) {
5272 if (trk->entry - trk->entries_flushed >= mov->frag_interleave) {
5273 if ((ret = mov_flush_fragment_interleaving(s, trk)) < 0)
5278 if (!trk->mdat_buf) {
5279 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
5284 if (!mov->mdat_buf) {
5285 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
5292 if (par->codec_id == AV_CODEC_ID_AMR_NB) {
5293 /* We must find out how many AMR blocks there are in one packet */
5294 static const uint16_t packed_size[16] =
5295 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
5298 while (len < size && samples_in_chunk < 100) {
5299 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
5302 if (samples_in_chunk > 1) {
5303 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
5306 } else if (par->codec_id == AV_CODEC_ID_ADPCM_MS ||
5307 par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
5308 samples_in_chunk = trk->par->frame_size;
5309 } else if (trk->sample_size)
5310 samples_in_chunk = size / trk->sample_size;
5312 samples_in_chunk = 1;
5314 if (samples_in_chunk < 1) {
5315 av_log(s, AV_LOG_ERROR, "fatal error, input packet contains no samples\n");
5316 return AVERROR_PATCHWELCOME;
5319 /* copy extradata if it exists */
5320 if (trk->vos_len == 0 && par->extradata_size > 0 &&
5321 !TAG_IS_AVCI(trk->tag) &&
5322 (par->codec_id != AV_CODEC_ID_DNXHD)) {
5323 trk->vos_len = par->extradata_size;
5324 trk->vos_data = av_malloc(trk->vos_len);
5325 if (!trk->vos_data) {
5326 ret = AVERROR(ENOMEM);
5329 memcpy(trk->vos_data, par->extradata, trk->vos_len);
5332 if (par->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
5333 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
5334 if (!s->streams[pkt->stream_index]->nb_frames) {
5335 av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
5336 "use the audio bitstream filter 'aac_adtstoasc' to fix it "
5337 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
5340 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
5342 if (par->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1 && !TAG_IS_AVCI(trk->tag)) {
5343 /* from x264 or from bytestream H.264 */
5344 /* NAL reformatting needed */
5345 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5346 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
5348 avio_write(pb, reformatted_data, size);
5350 if (trk->cenc.aes_ctr) {
5351 size = ff_mov_cenc_avc_parse_nal_units(&trk->cenc, pb, pkt->data, size);
5357 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
5360 } else if (par->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
5361 (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
5362 /* extradata is Annex B, assume the bitstream is too and convert it */
5363 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5364 ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data, &size, 0, NULL);
5365 avio_write(pb, reformatted_data, size);
5367 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
5369 } else if (par->codec_id == AV_CODEC_ID_AV1) {
5370 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5371 ff_av1_filter_obus_buf(pkt->data, &reformatted_data, &size);
5372 avio_write(pb, reformatted_data, size);
5374 size = ff_av1_filter_obus(pb, pkt->data, pkt->size);
5376 #if CONFIG_AC3_PARSER
5377 } else if (par->codec_id == AV_CODEC_ID_EAC3) {
5378 size = handle_eac3(mov, pkt, trk);
5383 avio_write(pb, pkt->data, size);
5386 if (trk->cenc.aes_ctr) {
5387 if (par->codec_id == AV_CODEC_ID_H264 && par->extradata_size > 4) {
5388 int nal_size_length = (par->extradata[4] & 0x3) + 1;
5389 ret = ff_mov_cenc_avc_write_nal_units(s, &trk->cenc, nal_size_length, pb, pkt->data, size);
5391 ret = ff_mov_cenc_write_packet(&trk->cenc, pb, pkt->data, size);
5398 avio_write(pb, pkt->data, size);
5402 if ((par->codec_id == AV_CODEC_ID_DNXHD ||
5403 par->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
5404 /* copy frame to create needed atoms */
5405 trk->vos_len = size;
5406 trk->vos_data = av_malloc(size);
5407 if (!trk->vos_data) {
5408 ret = AVERROR(ENOMEM);
5411 memcpy(trk->vos_data, pkt->data, size);
5414 if (trk->entry >= trk->cluster_capacity) {
5415 unsigned new_capacity = 2 * (trk->entry + MOV_INDEX_CLUSTER_SIZE);
5416 if (av_reallocp_array(&trk->cluster, new_capacity,
5417 sizeof(*trk->cluster))) {
5418 ret = AVERROR(ENOMEM);
5421 trk->cluster_capacity = new_capacity;
5424 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
5425 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
5426 trk->cluster[trk->entry].chunkNum = 0;
5427 trk->cluster[trk->entry].size = size;
5428 trk->cluster[trk->entry].entries = samples_in_chunk;
5429 trk->cluster[trk->entry].dts = pkt->dts;
5430 trk->cluster[trk->entry].pts = pkt->pts;
5431 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
5432 if (!trk->frag_discont) {
5433 /* First packet of a new fragment. We already wrote the duration
5434 * of the last packet of the previous fragment based on track_duration,
5435 * which might not exactly match our dts. Therefore adjust the dts
5436 * of this packet to be what the previous packets duration implies. */
5437 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
5438 /* We also may have written the pts and the corresponding duration
5439 * in sidx/tfrf/tfxd tags; make sure the sidx pts and duration match up with
5440 * the next fragment. This means the cts of the first sample must
5441 * be the same in all fragments, unless end_pts was updated by
5442 * the packet causing the fragment to be written. */
5443 if ((mov->flags & FF_MOV_FLAG_DASH &&
5444 !(mov->flags & (FF_MOV_FLAG_GLOBAL_SIDX | FF_MOV_FLAG_SKIP_SIDX))) ||
5445 mov->mode == MODE_ISM)
5446 pkt->pts = pkt->dts + trk->end_pts - trk->cluster[trk->entry].dts;
5448 /* New fragment, but discontinuous from previous fragments.
5449 * Pretend the duration sum of the earlier fragments is
5450 * pkt->dts - trk->start_dts. */
5451 trk->frag_start = pkt->dts - trk->start_dts;
5452 trk->end_pts = AV_NOPTS_VALUE;
5453 trk->frag_discont = 0;
5457 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !mov->use_editlist &&
5458 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO) {
5459 /* Not using edit lists and shifting the first track to start from zero.
5460 * If the other streams start from a later timestamp, we won't be able
5461 * to signal the difference in starting time without an edit list.
5462 * Thus move the timestamp for this first sample to 0, increasing
5463 * its duration instead. */
5464 trk->cluster[trk->entry].dts = trk->start_dts = 0;
5466 if (trk->start_dts == AV_NOPTS_VALUE) {
5467 trk->start_dts = pkt->dts;
5468 if (trk->frag_discont) {
5469 if (mov->use_editlist) {
5470 /* Pretend the whole stream started at pts=0, with earlier fragments
5471 * already written. If the stream started at pts=0, the duration sum
5472 * of earlier fragments would have been pkt->pts. */
5473 trk->frag_start = pkt->pts;
5474 trk->start_dts = pkt->dts - pkt->pts;
5476 /* Pretend the whole stream started at dts=0, with earlier fragments
5477 * already written, with a duration summing up to pkt->dts. */
5478 trk->frag_start = pkt->dts;
5481 trk->frag_discont = 0;
5482 } else if (pkt->dts && mov->moov_written)
5483 av_log(s, AV_LOG_WARNING,
5484 "Track %d starts with a nonzero dts %"PRId64", while the moov "
5485 "already has been written. Set the delay_moov flag to handle "
5487 pkt->stream_index, pkt->dts);
5489 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
5490 trk->last_sample_is_subtitle_end = 0;
5492 if (pkt->pts == AV_NOPTS_VALUE) {
5493 av_log(s, AV_LOG_WARNING, "pts has no value\n");
5494 pkt->pts = pkt->dts;
5496 if (pkt->dts != pkt->pts)
5497 trk->flags |= MOV_TRACK_CTTS;
5498 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
5499 trk->cluster[trk->entry].flags = 0;
5500 if (trk->start_cts == AV_NOPTS_VALUE)
5501 trk->start_cts = pkt->pts - pkt->dts;
5502 if (trk->end_pts == AV_NOPTS_VALUE)
5503 trk->end_pts = trk->cluster[trk->entry].dts +
5504 trk->cluster[trk->entry].cts + pkt->duration;
5506 trk->end_pts = FFMAX(trk->end_pts, trk->cluster[trk->entry].dts +
5507 trk->cluster[trk->entry].cts +
5510 if (par->codec_id == AV_CODEC_ID_VC1) {
5511 mov_parse_vc1_frame(pkt, trk);
5512 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
5513 if (mov->mode == MODE_MOV && par->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
5514 trk->entry > 0) { // force sync sample for the first key frame
5515 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
5516 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
5517 trk->flags |= MOV_TRACK_STPS;
5519 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
5521 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
5522 trk->has_keyframes++;
5524 if (pkt->flags & AV_PKT_FLAG_DISPOSABLE) {
5525 trk->cluster[trk->entry].flags |= MOV_DISPOSABLE_SAMPLE;
5526 trk->has_disposable++;
5529 trk->sample_count += samples_in_chunk;
5530 mov->mdat_size += size;
5532 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
5533 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
5534 reformatted_data, size);
5539 av_free(reformatted_data);
5543 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
5545 MOVMuxContext *mov = s->priv_data;
5546 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5547 AVCodecParameters *par = trk->par;
5548 int64_t frag_duration = 0;
5549 int size = pkt->size;
5551 int ret = check_pkt(s, pkt);
5555 if (mov->flags & FF_MOV_FLAG_FRAG_DISCONT) {
5557 for (i = 0; i < s->nb_streams; i++)
5558 mov->tracks[i].frag_discont = 1;
5559 mov->flags &= ~FF_MOV_FLAG_FRAG_DISCONT;
5562 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS) {
5563 if (trk->dts_shift == AV_NOPTS_VALUE)
5564 trk->dts_shift = pkt->pts - pkt->dts;
5565 pkt->dts += trk->dts_shift;
5568 if (trk->par->codec_id == AV_CODEC_ID_MP4ALS ||
5569 trk->par->codec_id == AV_CODEC_ID_AAC ||
5570 trk->par->codec_id == AV_CODEC_ID_AV1 ||
5571 trk->par->codec_id == AV_CODEC_ID_FLAC) {
5573 uint8_t *side = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, &side_size);
5574 if (side && side_size > 0 && (side_size != par->extradata_size || memcmp(side, par->extradata, side_size))) {
5575 void *newextra = av_mallocz(side_size + AV_INPUT_BUFFER_PADDING_SIZE);
5577 return AVERROR(ENOMEM);
5578 av_free(par->extradata);
5579 par->extradata = newextra;
5580 memcpy(par->extradata, side, side_size);
5581 par->extradata_size = side_size;
5582 if (!pkt->size) // Flush packet
5583 mov->need_rewrite_extradata = 1;
5588 if (trk->start_dts == AV_NOPTS_VALUE && trk->frag_discont) {
5589 trk->start_dts = pkt->dts;
5590 if (pkt->pts != AV_NOPTS_VALUE)
5591 trk->start_cts = pkt->pts - pkt->dts;
5596 return 0; /* Discard 0 sized packets */
5599 if (trk->entry && pkt->stream_index < s->nb_streams)
5600 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
5601 s->streams[pkt->stream_index]->time_base,
5603 if ((mov->max_fragment_duration &&
5604 frag_duration >= mov->max_fragment_duration) ||
5605 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
5606 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
5607 par->codec_type == AVMEDIA_TYPE_VIDEO &&
5608 trk->entry && pkt->flags & AV_PKT_FLAG_KEY) ||
5609 (mov->flags & FF_MOV_FLAG_FRAG_EVERY_FRAME)) {
5610 if (frag_duration >= mov->min_fragment_duration) {
5611 // Set the duration of this track to line up with the next
5612 // sample in this track. This avoids relying on AVPacket
5613 // duration, but only helps for this particular track, not
5614 // for the other ones that are flushed at the same time.
5615 trk->track_duration = pkt->dts - trk->start_dts;
5616 if (pkt->pts != AV_NOPTS_VALUE)
5617 trk->end_pts = pkt->pts;
5619 trk->end_pts = pkt->dts;
5620 trk->end_reliable = 1;
5621 mov_auto_flush_fragment(s, 0);
5625 return ff_mov_write_packet(s, pkt);
5628 static int mov_write_subtitle_end_packet(AVFormatContext *s,
5632 uint8_t data[2] = {0};
5635 av_init_packet(&end);
5636 end.size = sizeof(data);
5641 end.stream_index = stream_index;
5643 ret = mov_write_single_packet(s, &end);
5644 av_packet_unref(&end);
5649 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
5651 MOVMuxContext *mov = s->priv_data;
5655 mov_flush_fragment(s, 1);
5659 trk = &mov->tracks[pkt->stream_index];
5661 if (is_cover_image(trk->st)) {
5664 if (trk->st->nb_frames >= 1) {
5665 if (trk->st->nb_frames == 1)
5666 av_log(s, AV_LOG_WARNING, "Got more than one picture in stream %d,"
5667 " ignoring.\n", pkt->stream_index);
5671 if ((ret = av_packet_ref(&trk->cover_image, pkt)) < 0)
5679 return mov_write_single_packet(s, pkt); /* Passthrough. */
5682 * Subtitles require special handling.
5684 * 1) For full complaince, every track must have a sample at
5685 * dts == 0, which is rarely true for subtitles. So, as soon
5686 * as we see any packet with dts > 0, write an empty subtitle
5687 * at dts == 0 for any subtitle track with no samples in it.
5689 * 2) For each subtitle track, check if the current packet's
5690 * dts is past the duration of the last subtitle sample. If
5691 * so, we now need to write an end sample for that subtitle.
5693 * This must be done conditionally to allow for subtitles that
5694 * immediately replace each other, in which case an end sample
5695 * is not needed, and is, in fact, actively harmful.
5697 * 3) See mov_write_trailer for how the final end sample is
5700 for (i = 0; i < mov->nb_streams; i++) {
5701 MOVTrack *trk = &mov->tracks[i];
5704 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
5705 trk->track_duration < pkt->dts &&
5706 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
5707 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
5708 if (ret < 0) return ret;
5709 trk->last_sample_is_subtitle_end = 1;
5713 if (trk->mode == MODE_MOV && trk->par->codec_type == AVMEDIA_TYPE_VIDEO) {
5714 AVPacket *opkt = pkt;
5715 int reshuffle_ret, ret;
5716 if (trk->is_unaligned_qt_rgb) {
5717 int64_t bpc = trk->par->bits_per_coded_sample != 15 ? trk->par->bits_per_coded_sample : 16;
5718 int expected_stride = ((trk->par->width * bpc + 15) >> 4)*2;
5719 reshuffle_ret = ff_reshuffle_raw_rgb(s, &pkt, trk->par, expected_stride);
5720 if (reshuffle_ret < 0)
5721 return reshuffle_ret;
5724 if (trk->par->format == AV_PIX_FMT_PAL8 && !trk->pal_done) {
5725 ret = ff_get_packet_palette(s, opkt, reshuffle_ret, trk->palette);
5730 } else if (trk->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
5731 (trk->par->format == AV_PIX_FMT_GRAY8 ||
5732 trk->par->format == AV_PIX_FMT_MONOBLACK)) {
5733 for (i = 0; i < pkt->size; i++)
5734 pkt->data[i] = ~pkt->data[i];
5736 if (reshuffle_ret) {
5737 ret = mov_write_single_packet(s, pkt);
5740 av_packet_free(&pkt);
5745 return mov_write_single_packet(s, pkt);
5749 // QuickTime chapters involve an additional text track with the chapter names
5750 // as samples, and a tref pointing from the other tracks to the chapter one.
5751 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
5755 MOVMuxContext *mov = s->priv_data;
5756 MOVTrack *track = &mov->tracks[tracknum];
5757 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
5760 track->mode = mov->mode;
5761 track->tag = MKTAG('t','e','x','t');
5762 track->timescale = MOV_TIMESCALE;
5763 track->par = avcodec_parameters_alloc();
5765 return AVERROR(ENOMEM);
5766 track->par->codec_type = AVMEDIA_TYPE_SUBTITLE;
5768 // These properties are required to make QT recognize the chapter track
5769 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
5770 if (ff_alloc_extradata(track->par, sizeof(chapter_properties)))
5771 return AVERROR(ENOMEM);
5772 memcpy(track->par->extradata, chapter_properties, sizeof(chapter_properties));
5774 if (avio_open_dyn_buf(&pb) >= 0) {
5778 /* Stub header (usually for Quicktime chapter track) */
5780 avio_wb32(pb, 0x01); // displayFlags
5781 avio_w8(pb, 0x00); // horizontal justification
5782 avio_w8(pb, 0x00); // vertical justification
5783 avio_w8(pb, 0x00); // bgColourRed
5784 avio_w8(pb, 0x00); // bgColourGreen
5785 avio_w8(pb, 0x00); // bgColourBlue
5786 avio_w8(pb, 0x00); // bgColourAlpha
5788 avio_wb16(pb, 0x00); // defTextBoxTop
5789 avio_wb16(pb, 0x00); // defTextBoxLeft
5790 avio_wb16(pb, 0x00); // defTextBoxBottom
5791 avio_wb16(pb, 0x00); // defTextBoxRight
5793 avio_wb16(pb, 0x00); // startChar
5794 avio_wb16(pb, 0x00); // endChar
5795 avio_wb16(pb, 0x01); // fontID
5796 avio_w8(pb, 0x00); // fontStyleFlags
5797 avio_w8(pb, 0x00); // fontSize
5798 avio_w8(pb, 0x00); // fgColourRed
5799 avio_w8(pb, 0x00); // fgColourGreen
5800 avio_w8(pb, 0x00); // fgColourBlue
5801 avio_w8(pb, 0x00); // fgColourAlpha
5803 avio_wb32(pb, 0x0D); // box size
5804 ffio_wfourcc(pb, "ftab"); // box atom name
5805 avio_wb16(pb, 0x01); // entry count
5807 avio_wb16(pb, 0x01); // font ID
5808 avio_w8(pb, 0x00); // font name length
5810 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
5811 track->par->extradata = buf;
5812 track->par->extradata_size = size;
5819 for (i = 0; i < s->nb_chapters; i++) {
5820 AVChapter *c = s->chapters[i];
5821 AVDictionaryEntry *t;
5823 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
5824 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
5825 pkt.duration = end - pkt.dts;
5827 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
5828 static const char encd[12] = {
5829 0x00, 0x00, 0x00, 0x0C,
5831 0x00, 0x00, 0x01, 0x00 };
5832 len = strlen(t->value);
5833 pkt.size = len + 2 + 12;
5834 pkt.data = av_malloc(pkt.size);
5836 return AVERROR(ENOMEM);
5837 AV_WB16(pkt.data, len);
5838 memcpy(pkt.data + 2, t->value, len);
5839 memcpy(pkt.data + len + 2, encd, sizeof(encd));
5840 ff_mov_write_packet(s, &pkt);
5841 av_freep(&pkt.data);
5849 static int mov_check_timecode_track(AVFormatContext *s, AVTimecode *tc, int src_index, const char *tcstr)
5853 /* compute the frame number */
5854 ret = av_timecode_init_from_string(tc, find_fps(s, s->streams[src_index]), tcstr, s);
5858 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, AVTimecode tc)
5861 MOVMuxContext *mov = s->priv_data;
5862 MOVTrack *track = &mov->tracks[index];
5863 AVStream *src_st = s->streams[src_index];
5864 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
5865 AVRational rate = find_fps(s, src_st);
5867 /* tmcd track based on video stream */
5868 track->mode = mov->mode;
5869 track->tag = MKTAG('t','m','c','d');
5870 track->src_track = src_index;
5871 track->timescale = mov->tracks[src_index].timescale;
5872 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
5873 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
5875 /* set st to src_st for metadata access*/
5878 /* encode context: tmcd data stream */
5879 track->par = avcodec_parameters_alloc();
5881 return AVERROR(ENOMEM);
5882 track->par->codec_type = AVMEDIA_TYPE_DATA;
5883 track->par->codec_tag = track->tag;
5884 track->st->avg_frame_rate = av_inv_q(rate);
5886 /* the tmcd track just contains one packet with the frame number */
5887 pkt.data = av_malloc(pkt.size);
5889 return AVERROR(ENOMEM);
5890 AV_WB32(pkt.data, tc.start);
5891 ret = ff_mov_write_packet(s, &pkt);
5897 * st->disposition controls the "enabled" flag in the tkhd tag.
5898 * QuickTime will not play a track if it is not enabled. So make sure
5899 * that one track of each type (audio, video, subtitle) is enabled.
5901 * Subtitles are special. For audio and video, setting "enabled" also
5902 * makes the track "default" (i.e. it is rendered when played). For
5903 * subtitles, an "enabled" subtitle is not rendered by default, but
5904 * if no subtitle is enabled, the subtitle menu in QuickTime will be
5907 static void enable_tracks(AVFormatContext *s)
5909 MOVMuxContext *mov = s->priv_data;
5911 int enabled[AVMEDIA_TYPE_NB];
5912 int first[AVMEDIA_TYPE_NB];
5914 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
5919 for (i = 0; i < s->nb_streams; i++) {
5920 AVStream *st = s->streams[i];
5922 if (st->codecpar->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
5923 st->codecpar->codec_type >= AVMEDIA_TYPE_NB ||
5927 if (first[st->codecpar->codec_type] < 0)
5928 first[st->codecpar->codec_type] = i;
5929 if (st->disposition & AV_DISPOSITION_DEFAULT) {
5930 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
5931 enabled[st->codecpar->codec_type]++;
5935 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
5937 case AVMEDIA_TYPE_VIDEO:
5938 case AVMEDIA_TYPE_AUDIO:
5939 case AVMEDIA_TYPE_SUBTITLE:
5941 mov->per_stream_grouping = 1;
5942 if (!enabled[i] && first[i] >= 0)
5943 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
5949 static void mov_free(AVFormatContext *s)
5951 MOVMuxContext *mov = s->priv_data;
5954 if (mov->chapter_track) {
5955 if (mov->tracks[mov->chapter_track].par)
5956 av_freep(&mov->tracks[mov->chapter_track].par->extradata);
5957 av_freep(&mov->tracks[mov->chapter_track].par);
5960 for (i = 0; i < mov->nb_streams; i++) {
5961 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
5962 ff_mov_close_hinting(&mov->tracks[i]);
5963 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
5964 av_freep(&mov->tracks[i].par);
5965 av_freep(&mov->tracks[i].cluster);
5966 av_freep(&mov->tracks[i].frag_info);
5967 av_packet_unref(&mov->tracks[i].cover_image);
5969 if (mov->tracks[i].eac3_priv) {
5970 struct eac3_info *info = mov->tracks[i].eac3_priv;
5971 av_packet_unref(&info->pkt);
5972 av_freep(&mov->tracks[i].eac3_priv);
5974 if (mov->tracks[i].vos_len)
5975 av_freep(&mov->tracks[i].vos_data);
5977 ff_mov_cenc_free(&mov->tracks[i].cenc);
5980 av_freep(&mov->tracks);
5983 static uint32_t rgb_to_yuv(uint32_t rgb)
5988 r = (rgb >> 16) & 0xFF;
5989 g = (rgb >> 8) & 0xFF;
5992 y = av_clip_uint8(( 16000 + 257 * r + 504 * g + 98 * b)/1000);
5993 cb = av_clip_uint8((128000 - 148 * r - 291 * g + 439 * b)/1000);
5994 cr = av_clip_uint8((128000 + 439 * r - 368 * g - 71 * b)/1000);
5996 return (y << 16) | (cr << 8) | cb;
5999 static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track,
6002 int i, width = 720, height = 480;
6003 int have_palette = 0, have_size = 0;
6004 uint32_t palette[16];
6005 char *cur = st->codecpar->extradata;
6007 while (cur && *cur) {
6008 if (strncmp("palette:", cur, 8) == 0) {
6010 count = sscanf(cur + 8,
6011 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6012 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6013 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6014 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
6015 &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
6016 &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
6017 &palette[ 8], &palette[ 9], &palette[10], &palette[11],
6018 &palette[12], &palette[13], &palette[14], &palette[15]);
6020 for (i = 0; i < count; i++) {
6021 palette[i] = rgb_to_yuv(palette[i]);
6024 } else if (!strncmp("size:", cur, 5)) {
6025 sscanf(cur + 5, "%dx%d", &width, &height);
6028 if (have_palette && have_size)
6030 cur += strcspn(cur, "\n\r");
6031 cur += strspn(cur, "\n\r");
6034 track->vos_data = av_malloc(16*4);
6035 if (!track->vos_data)
6036 return AVERROR(ENOMEM);
6037 for (i = 0; i < 16; i++) {
6038 AV_WB32(track->vos_data + i * 4, palette[i]);
6040 track->vos_len = 16 * 4;
6042 st->codecpar->width = width;
6043 st->codecpar->height = track->height = height;
6048 static int mov_init(AVFormatContext *s)
6050 MOVMuxContext *mov = s->priv_data;
6051 AVDictionaryEntry *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
6056 /* Default mode == MP4 */
6057 mov->mode = MODE_MP4;
6060 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
6061 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
6062 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
6063 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
6064 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
6065 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
6066 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
6069 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
6070 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV;
6072 /* Set the FRAGMENT flag if any of the fragmentation methods are
6074 if (mov->max_fragment_duration || mov->max_fragment_size ||
6075 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
6076 FF_MOV_FLAG_FRAG_KEYFRAME |
6077 FF_MOV_FLAG_FRAG_CUSTOM |
6078 FF_MOV_FLAG_FRAG_EVERY_FRAME))
6079 mov->flags |= FF_MOV_FLAG_FRAGMENT;
6081 /* Set other implicit flags immediately */
6082 if (mov->mode == MODE_ISM)
6083 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
6084 FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
6085 if (mov->flags & FF_MOV_FLAG_DASH)
6086 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
6087 FF_MOV_FLAG_DEFAULT_BASE_MOOF;
6089 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV && s->flags & AVFMT_FLAG_AUTO_BSF) {
6090 av_log(s, AV_LOG_VERBOSE, "Empty MOOV enabled; disabling automatic bitstream filtering\n");
6091 s->flags &= ~AVFMT_FLAG_AUTO_BSF;
6094 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX && mov->flags & FF_MOV_FLAG_SKIP_SIDX) {
6095 av_log(s, AV_LOG_WARNING, "Global SIDX enabled; Ignoring skip_sidx option\n");
6096 mov->flags &= ~FF_MOV_FLAG_SKIP_SIDX;
6099 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
6100 mov->reserved_moov_size = -1;
6103 if (mov->use_editlist < 0) {
6104 mov->use_editlist = 1;
6105 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
6106 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6107 // If we can avoid needing an edit list by shifting the
6108 // tracks, prefer that over (trying to) write edit lists
6109 // in fragmented output.
6110 if (s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO ||
6111 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO)
6112 mov->use_editlist = 0;
6115 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
6116 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV) && mov->use_editlist)
6117 av_log(s, AV_LOG_WARNING, "No meaningful edit list will be written when using empty_moov without delay_moov\n");
6119 if (!mov->use_editlist && s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO)
6120 s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_ZERO;
6122 /* Clear the omit_tfhd_offset flag if default_base_moof is set;
6123 * if the latter is set that's enough and omit_tfhd_offset doesn't
6124 * add anything extra on top of that. */
6125 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
6126 mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
6127 mov->flags &= ~FF_MOV_FLAG_OMIT_TFHD_OFFSET;
6129 if (mov->frag_interleave &&
6130 mov->flags & (FF_MOV_FLAG_OMIT_TFHD_OFFSET | FF_MOV_FLAG_SEPARATE_MOOF)) {
6131 av_log(s, AV_LOG_ERROR,
6132 "Sample interleaving in fragments is mutually exclusive with "
6133 "omit_tfhd_offset and separate_moof\n");
6134 return AVERROR(EINVAL);
6137 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
6138 * is enabled, we don't support non-seekable output at all. */
6139 if (!(s->pb->seekable & AVIO_SEEKABLE_NORMAL) &&
6140 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
6141 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
6142 return AVERROR(EINVAL);
6145 mov->nb_streams = s->nb_streams;
6146 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
6147 mov->chapter_track = mov->nb_streams++;
6149 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6150 for (i = 0; i < s->nb_streams; i++)
6151 if (rtp_hinting_needed(s->streams[i]))
6155 if ( mov->write_tmcd == -1 && (mov->mode == MODE_MOV || mov->mode == MODE_MP4)
6156 || mov->write_tmcd == 1) {
6157 /* +1 tmcd track for each video stream with a timecode */
6158 for (i = 0; i < s->nb_streams; i++) {
6159 AVStream *st = s->streams[i];
6160 AVDictionaryEntry *t = global_tcr;
6161 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
6162 (t || (t=av_dict_get(st->metadata, "timecode", NULL, 0)))) {
6164 ret = mov_check_timecode_track(s, &tc, i, t->value);
6166 mov->nb_meta_tmcd++;
6170 /* check if there is already a tmcd track to remux */
6171 if (mov->nb_meta_tmcd) {
6172 for (i = 0; i < s->nb_streams; i++) {
6173 AVStream *st = s->streams[i];
6174 if (st->codecpar->codec_tag == MKTAG('t','m','c','d')) {
6175 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
6176 "so timecode metadata are now ignored\n");
6177 mov->nb_meta_tmcd = 0;
6182 mov->nb_streams += mov->nb_meta_tmcd;
6185 // Reserve an extra stream for chapters for the case where chapters
6186 // are written in the trailer
6187 mov->tracks = av_mallocz_array((mov->nb_streams + 1), sizeof(*mov->tracks));
6189 return AVERROR(ENOMEM);
6191 if (mov->encryption_scheme_str != NULL && strcmp(mov->encryption_scheme_str, "none") != 0) {
6192 if (strcmp(mov->encryption_scheme_str, "cenc-aes-ctr") == 0) {
6193 mov->encryption_scheme = MOV_ENC_CENC_AES_CTR;
6195 if (mov->encryption_key_len != AES_CTR_KEY_SIZE) {
6196 av_log(s, AV_LOG_ERROR, "Invalid encryption key len %d expected %d\n",
6197 mov->encryption_key_len, AES_CTR_KEY_SIZE);
6198 return AVERROR(EINVAL);
6201 if (mov->encryption_kid_len != CENC_KID_SIZE) {
6202 av_log(s, AV_LOG_ERROR, "Invalid encryption kid len %d expected %d\n",
6203 mov->encryption_kid_len, CENC_KID_SIZE);
6204 return AVERROR(EINVAL);
6207 av_log(s, AV_LOG_ERROR, "unsupported encryption scheme %s\n",
6208 mov->encryption_scheme_str);
6209 return AVERROR(EINVAL);
6213 for (i = 0; i < s->nb_streams; i++) {
6214 AVStream *st= s->streams[i];
6215 MOVTrack *track= &mov->tracks[i];
6216 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
6219 track->par = st->codecpar;
6220 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
6221 if (track->language < 0)
6222 track->language = 0;
6223 track->mode = mov->mode;
6224 track->tag = mov_find_codec_tag(s, track);
6226 av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, "
6227 "codec not currently supported in container\n",
6228 avcodec_get_name(st->codecpar->codec_id), i);
6229 return AVERROR(EINVAL);
6231 /* If hinting of this track is enabled by a later hint track,
6232 * this is updated. */
6233 track->hint_track = -1;
6234 track->start_dts = AV_NOPTS_VALUE;
6235 track->start_cts = AV_NOPTS_VALUE;
6236 track->end_pts = AV_NOPTS_VALUE;
6237 track->dts_shift = AV_NOPTS_VALUE;
6238 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
6239 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
6240 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
6241 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
6242 if (st->codecpar->width != 720 || (st->codecpar->height != 608 && st->codecpar->height != 512)) {
6243 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
6244 return AVERROR(EINVAL);
6246 track->height = track->tag >> 24 == 'n' ? 486 : 576;
6248 if (mov->video_track_timescale) {
6249 track->timescale = mov->video_track_timescale;
6251 track->timescale = st->time_base.den;
6252 while(track->timescale < 10000)
6253 track->timescale *= 2;
6255 if (st->codecpar->width > 65535 || st->codecpar->height > 65535) {
6256 av_log(s, AV_LOG_ERROR, "Resolution %dx%d too large for mov/mp4\n", st->codecpar->width, st->codecpar->height);
6257 return AVERROR(EINVAL);
6259 if (track->mode == MODE_MOV && track->timescale > 100000)
6260 av_log(s, AV_LOG_WARNING,
6261 "WARNING codec timebase is very high. If duration is too long,\n"
6262 "file may not be playable by quicktime. Specify a shorter timebase\n"
6263 "or choose different container.\n");
6264 if (track->mode == MODE_MOV &&
6265 track->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
6266 track->tag == MKTAG('r','a','w',' ')) {
6267 enum AVPixelFormat pix_fmt = track->par->format;
6268 if (pix_fmt == AV_PIX_FMT_NONE && track->par->bits_per_coded_sample == 1)
6269 pix_fmt = AV_PIX_FMT_MONOWHITE;
6270 track->is_unaligned_qt_rgb =
6271 pix_fmt == AV_PIX_FMT_RGB24 ||
6272 pix_fmt == AV_PIX_FMT_BGR24 ||
6273 pix_fmt == AV_PIX_FMT_PAL8 ||
6274 pix_fmt == AV_PIX_FMT_GRAY8 ||
6275 pix_fmt == AV_PIX_FMT_MONOWHITE ||
6276 pix_fmt == AV_PIX_FMT_MONOBLACK;
6278 if (track->par->codec_id == AV_CODEC_ID_VP9 ||
6279 track->par->codec_id == AV_CODEC_ID_AV1) {
6280 if (track->mode != MODE_MP4) {
6281 av_log(s, AV_LOG_ERROR, "%s only supported in MP4.\n", avcodec_get_name(track->par->codec_id));
6282 return AVERROR(EINVAL);
6284 } else if (track->par->codec_id == AV_CODEC_ID_VP8) {
6285 /* altref frames handling is not defined in the spec as of version v1.0,
6286 * so just forbid muxing VP8 streams altogether until a new version does */
6287 av_log(s, AV_LOG_ERROR, "VP8 muxing is currently not supported.\n");
6288 return AVERROR_PATCHWELCOME;
6290 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
6291 track->timescale = st->codecpar->sample_rate;
6292 if (!st->codecpar->frame_size && !av_get_bits_per_sample(st->codecpar->codec_id)) {
6293 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
6294 track->audio_vbr = 1;
6295 }else if (st->codecpar->codec_id == AV_CODEC_ID_ADPCM_MS ||
6296 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
6297 st->codecpar->codec_id == AV_CODEC_ID_ILBC){
6298 if (!st->codecpar->block_align) {
6299 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
6300 return AVERROR(EINVAL);
6302 track->sample_size = st->codecpar->block_align;
6303 }else if (st->codecpar->frame_size > 1){ /* assume compressed audio */
6304 track->audio_vbr = 1;
6306 track->sample_size = (av_get_bits_per_sample(st->codecpar->codec_id) >> 3) * st->codecpar->channels;
6308 if (st->codecpar->codec_id == AV_CODEC_ID_ILBC ||
6309 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_QT) {
6310 track->audio_vbr = 1;
6312 if (track->mode != MODE_MOV &&
6313 track->par->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
6314 if (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL) {
6315 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not standard, to mux anyway set strict to -1\n",
6316 i, track->par->sample_rate);
6317 return AVERROR(EINVAL);
6319 av_log(s, AV_LOG_WARNING, "track %d: muxing mp3 at %dhz is not standard in MP4\n",
6320 i, track->par->sample_rate);
6323 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
6324 track->par->codec_id == AV_CODEC_ID_OPUS) {
6325 if (track->mode != MODE_MP4) {
6326 av_log(s, AV_LOG_ERROR, "%s only supported in MP4.\n", avcodec_get_name(track->par->codec_id));
6327 return AVERROR(EINVAL);
6329 if (s->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
6330 av_log(s, AV_LOG_ERROR,
6331 "%s in MP4 support is experimental, add "
6332 "'-strict %d' if you want to use it.\n",
6333 avcodec_get_name(track->par->codec_id), FF_COMPLIANCE_EXPERIMENTAL);
6334 return AVERROR_EXPERIMENTAL;
6337 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
6338 track->timescale = st->time_base.den;
6339 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) {
6340 track->timescale = st->time_base.den;
6342 track->timescale = MOV_TIMESCALE;
6345 track->height = st->codecpar->height;
6346 /* The ism specific timescale isn't mandatory, but is assumed by
6347 * some tools, such as mp4split. */
6348 if (mov->mode == MODE_ISM)
6349 track->timescale = 10000000;
6351 avpriv_set_pts_info(st, 64, 1, track->timescale);
6353 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
6354 ret = ff_mov_cenc_init(&track->cenc, mov->encryption_key,
6355 track->par->codec_id == AV_CODEC_ID_H264, s->flags & AVFMT_FLAG_BITEXACT);
6365 static int mov_write_header(AVFormatContext *s)
6367 AVIOContext *pb = s->pb;
6368 MOVMuxContext *mov = s->priv_data;
6369 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
6370 int i, ret, hint_track = 0, tmcd_track = 0, nb_tracks = s->nb_streams;
6372 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
6375 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6376 hint_track = nb_tracks;
6377 for (i = 0; i < s->nb_streams; i++)
6378 if (rtp_hinting_needed(s->streams[i]))
6382 if (mov->nb_meta_tmcd)
6383 tmcd_track = nb_tracks;
6385 for (i = 0; i < s->nb_streams; i++) {
6387 AVStream *st= s->streams[i];
6388 MOVTrack *track= &mov->tracks[i];
6390 /* copy extradata if it exists */
6391 if (st->codecpar->extradata_size) {
6392 if (st->codecpar->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
6393 mov_create_dvd_sub_decoder_specific_info(track, st);
6394 else if (!TAG_IS_AVCI(track->tag) && st->codecpar->codec_id != AV_CODEC_ID_DNXHD) {
6395 track->vos_len = st->codecpar->extradata_size;
6396 track->vos_data = av_malloc(track->vos_len);
6397 if (!track->vos_data) {
6398 return AVERROR(ENOMEM);
6400 memcpy(track->vos_data, st->codecpar->extradata, track->vos_len);
6404 if (st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
6405 track->par->channel_layout != AV_CH_LAYOUT_MONO)
6408 for (j = 0; j < s->nb_streams; j++) {
6409 AVStream *stj= s->streams[j];
6410 MOVTrack *trackj= &mov->tracks[j];
6414 if (stj->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
6415 trackj->par->channel_layout != AV_CH_LAYOUT_MONO ||
6416 trackj->language != track->language ||
6417 trackj->tag != track->tag
6420 track->multichannel_as_mono++;
6424 if (!(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6425 if ((ret = mov_write_identification(pb, s)) < 0)
6429 if (mov->reserved_moov_size){
6430 mov->reserved_header_pos = avio_tell(pb);
6431 if (mov->reserved_moov_size > 0)
6432 avio_skip(pb, mov->reserved_moov_size);
6435 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
6436 /* If no fragmentation options have been set, set a default. */
6437 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
6438 FF_MOV_FLAG_FRAG_CUSTOM |
6439 FF_MOV_FLAG_FRAG_EVERY_FRAME)) &&
6440 !mov->max_fragment_duration && !mov->max_fragment_size)
6441 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
6443 if (mov->flags & FF_MOV_FLAG_FASTSTART)
6444 mov->reserved_header_pos = avio_tell(pb);
6445 mov_write_mdat_tag(pb, mov);
6448 ff_parse_creation_time_metadata(s, &mov->time, 1);
6450 mov->time += 0x7C25B080; // 1970 based -> 1904 based
6452 if (mov->chapter_track)
6453 if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0)
6456 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6457 for (i = 0; i < s->nb_streams; i++) {
6458 if (rtp_hinting_needed(s->streams[i])) {
6459 if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0)
6466 if (mov->nb_meta_tmcd) {
6467 /* Initialize the tmcd tracks */
6468 for (i = 0; i < s->nb_streams; i++) {
6469 AVStream *st = s->streams[i];
6472 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
6475 t = av_dict_get(st->metadata, "timecode", NULL, 0);
6478 if (mov_check_timecode_track(s, &tc, i, t->value) < 0)
6480 if ((ret = mov_create_timecode_track(s, tmcd_track, i, tc)) < 0)
6489 if (mov->flags & FF_MOV_FLAG_ISML)
6490 mov_write_isml_manifest(pb, mov, s);
6492 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
6493 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6494 if ((ret = mov_write_moov_tag(pb, mov, s)) < 0)
6497 mov->moov_written = 1;
6498 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
6499 mov->reserved_header_pos = avio_tell(pb);
6505 static int get_moov_size(AVFormatContext *s)
6508 AVIOContext *moov_buf;
6509 MOVMuxContext *mov = s->priv_data;
6511 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
6513 if ((ret = mov_write_moov_tag(moov_buf, mov, s)) < 0)
6515 return ffio_close_null_buf(moov_buf);
6518 static int get_sidx_size(AVFormatContext *s)
6522 MOVMuxContext *mov = s->priv_data;
6524 if ((ret = ffio_open_null_buf(&buf)) < 0)
6526 mov_write_sidx_tags(buf, mov, -1, 0);
6527 return ffio_close_null_buf(buf);
6531 * This function gets the moov size if moved to the top of the file: the chunk
6532 * offset table can switch between stco (32-bit entries) to co64 (64-bit
6533 * entries) when the moov is moved to the beginning, so the size of the moov
6534 * would change. It also updates the chunk offset tables.
6536 static int compute_moov_size(AVFormatContext *s)
6538 int i, moov_size, moov_size2;
6539 MOVMuxContext *mov = s->priv_data;
6541 moov_size = get_moov_size(s);
6545 for (i = 0; i < mov->nb_streams; i++)
6546 mov->tracks[i].data_offset += moov_size;
6548 moov_size2 = get_moov_size(s);
6552 /* if the size changed, we just switched from stco to co64 and need to
6553 * update the offsets */
6554 if (moov_size2 != moov_size)
6555 for (i = 0; i < mov->nb_streams; i++)
6556 mov->tracks[i].data_offset += moov_size2 - moov_size;
6561 static int compute_sidx_size(AVFormatContext *s)
6564 MOVMuxContext *mov = s->priv_data;
6566 sidx_size = get_sidx_size(s);
6570 for (i = 0; i < mov->nb_streams; i++)
6571 mov->tracks[i].data_offset += sidx_size;
6576 static int shift_data(AVFormatContext *s)
6578 int ret = 0, moov_size;
6579 MOVMuxContext *mov = s->priv_data;
6580 int64_t pos, pos_end = avio_tell(s->pb);
6581 uint8_t *buf, *read_buf[2];
6582 int read_buf_id = 0;
6584 AVIOContext *read_pb;
6586 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
6587 moov_size = compute_sidx_size(s);
6589 moov_size = compute_moov_size(s);
6593 buf = av_malloc(moov_size * 2);
6595 return AVERROR(ENOMEM);
6597 read_buf[1] = buf + moov_size;
6599 /* Shift the data: the AVIO context of the output can only be used for
6600 * writing, so we re-open the same output, but for reading. It also avoids
6601 * a read/seek/write/seek back and forth. */
6603 ret = s->io_open(s, &read_pb, s->url, AVIO_FLAG_READ, NULL);
6605 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
6606 "the second pass (faststart)\n", s->url);
6610 /* mark the end of the shift to up to the last data we wrote, and get ready
6612 pos_end = avio_tell(s->pb);
6613 avio_seek(s->pb, mov->reserved_header_pos + moov_size, SEEK_SET);
6615 /* start reading at where the new moov will be placed */
6616 avio_seek(read_pb, mov->reserved_header_pos, SEEK_SET);
6617 pos = avio_tell(read_pb);
6619 #define READ_BLOCK do { \
6620 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
6624 /* shift data by chunk of at most moov_size */
6629 n = read_size[read_buf_id];
6632 avio_write(s->pb, read_buf[read_buf_id], n);
6634 } while (pos < pos_end);
6635 ff_format_io_close(s, &read_pb);
6642 static int mov_write_trailer(AVFormatContext *s)
6644 MOVMuxContext *mov = s->priv_data;
6645 AVIOContext *pb = s->pb;
6650 if (mov->need_rewrite_extradata) {
6651 for (i = 0; i < s->nb_streams; i++) {
6652 MOVTrack *track = &mov->tracks[i];
6653 AVCodecParameters *par = track->par;
6655 track->vos_len = par->extradata_size;
6656 track->vos_data = av_malloc(track->vos_len);
6657 if (!track->vos_data)
6658 return AVERROR(ENOMEM);
6659 memcpy(track->vos_data, par->extradata, track->vos_len);
6661 mov->need_rewrite_extradata = 0;
6665 * Before actually writing the trailer, make sure that there are no
6666 * dangling subtitles, that need a terminating sample.
6668 for (i = 0; i < mov->nb_streams; i++) {
6669 MOVTrack *trk = &mov->tracks[i];
6670 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
6671 !trk->last_sample_is_subtitle_end) {
6672 mov_write_subtitle_end_packet(s, i, trk->track_duration);
6673 trk->last_sample_is_subtitle_end = 1;
6677 // If there were no chapters when the header was written, but there
6678 // are chapters now, write them in the trailer. This only works
6679 // when we are not doing fragments.
6680 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
6681 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
6682 mov->chapter_track = mov->nb_streams++;
6683 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
6688 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
6689 moov_pos = avio_tell(pb);
6691 /* Write size of mdat tag */
6692 if (mov->mdat_size + 8 <= UINT32_MAX) {
6693 avio_seek(pb, mov->mdat_pos, SEEK_SET);
6694 avio_wb32(pb, mov->mdat_size + 8);
6696 /* overwrite 'wide' placeholder atom */
6697 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
6698 /* special value: real atom size will be 64 bit value after
6701 ffio_wfourcc(pb, "mdat");
6702 avio_wb64(pb, mov->mdat_size + 16);
6704 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_header_pos : moov_pos, SEEK_SET);
6706 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
6707 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
6708 res = shift_data(s);
6711 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
6712 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6714 } else if (mov->reserved_moov_size > 0) {
6716 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6718 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_header_pos);
6720 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
6721 return AVERROR(EINVAL);
6723 avio_wb32(pb, size);
6724 ffio_wfourcc(pb, "free");
6725 ffio_fill(pb, 0, size - 8);
6726 avio_seek(pb, moov_pos, SEEK_SET);
6728 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6733 mov_auto_flush_fragment(s, 1);
6734 for (i = 0; i < mov->nb_streams; i++)
6735 mov->tracks[i].data_offset = 0;
6736 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) {
6738 av_log(s, AV_LOG_INFO, "Starting second pass: inserting sidx atoms\n");
6739 res = shift_data(s);
6742 end = avio_tell(pb);
6743 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
6744 mov_write_sidx_tags(pb, mov, -1, 0);
6745 avio_seek(pb, end, SEEK_SET);
6747 if (!(mov->flags & FF_MOV_FLAG_SKIP_TRAILER)) {
6748 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_TRAILER);
6749 mov_write_mfra_tag(pb, mov);
6756 static int mov_check_bitstream(struct AVFormatContext *s, const AVPacket *pkt)
6759 AVStream *st = s->streams[pkt->stream_index];
6761 if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
6762 if (pkt->size > 2 && (AV_RB16(pkt->data) & 0xfff0) == 0xfff0)
6763 ret = ff_stream_add_bitstream_filter(st, "aac_adtstoasc", NULL);
6764 } else if (st->codecpar->codec_id == AV_CODEC_ID_VP9) {
6765 ret = ff_stream_add_bitstream_filter(st, "vp9_superframe", NULL);
6771 static const AVCodecTag codec_3gp_tags[] = {
6772 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
6773 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
6774 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
6775 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
6776 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
6777 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
6778 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
6779 { AV_CODEC_ID_NONE, 0 },
6782 const AVCodecTag codec_mp4_tags[] = {
6783 { AV_CODEC_ID_MPEG4 , MKTAG('m', 'p', '4', 'v') },
6784 { AV_CODEC_ID_H264 , MKTAG('a', 'v', 'c', '1') },
6785 { AV_CODEC_ID_H264 , MKTAG('a', 'v', 'c', '3') },
6786 { AV_CODEC_ID_HEVC , MKTAG('h', 'e', 'v', '1') },
6787 { AV_CODEC_ID_HEVC , MKTAG('h', 'v', 'c', '1') },
6788 { AV_CODEC_ID_MPEG2VIDEO , MKTAG('m', 'p', '4', 'v') },
6789 { AV_CODEC_ID_MPEG1VIDEO , MKTAG('m', 'p', '4', 'v') },
6790 { AV_CODEC_ID_MJPEG , MKTAG('m', 'p', '4', 'v') },
6791 { AV_CODEC_ID_PNG , MKTAG('m', 'p', '4', 'v') },
6792 { AV_CODEC_ID_JPEG2000 , MKTAG('m', 'p', '4', 'v') },
6793 { AV_CODEC_ID_VC1 , MKTAG('v', 'c', '-', '1') },
6794 { AV_CODEC_ID_DIRAC , MKTAG('d', 'r', 'a', 'c') },
6795 { AV_CODEC_ID_TSCC2 , MKTAG('m', 'p', '4', 'v') },
6796 { AV_CODEC_ID_VP9 , MKTAG('v', 'p', '0', '9') },
6797 { AV_CODEC_ID_AV1 , MKTAG('a', 'v', '0', '1') },
6798 { AV_CODEC_ID_AAC , MKTAG('m', 'p', '4', 'a') },
6799 { AV_CODEC_ID_MP4ALS , MKTAG('m', 'p', '4', 'a') },
6800 { AV_CODEC_ID_MP3 , MKTAG('m', 'p', '4', 'a') },
6801 { AV_CODEC_ID_MP2 , MKTAG('m', 'p', '4', 'a') },
6802 { AV_CODEC_ID_AC3 , MKTAG('a', 'c', '-', '3') },
6803 { AV_CODEC_ID_EAC3 , MKTAG('e', 'c', '-', '3') },
6804 { AV_CODEC_ID_DTS , MKTAG('m', 'p', '4', 'a') },
6805 { AV_CODEC_ID_FLAC , MKTAG('f', 'L', 'a', 'C') },
6806 { AV_CODEC_ID_OPUS , MKTAG('O', 'p', 'u', 's') },
6807 { AV_CODEC_ID_VORBIS , MKTAG('m', 'p', '4', 'a') },
6808 { AV_CODEC_ID_QCELP , MKTAG('m', 'p', '4', 'a') },
6809 { AV_CODEC_ID_EVRC , MKTAG('m', 'p', '4', 'a') },
6810 { AV_CODEC_ID_DVD_SUBTITLE, MKTAG('m', 'p', '4', 's') },
6811 { AV_CODEC_ID_MOV_TEXT , MKTAG('t', 'x', '3', 'g') },
6812 { AV_CODEC_ID_BIN_DATA , MKTAG('g', 'p', 'm', 'd') },
6813 { AV_CODEC_ID_NONE , 0 },
6816 const AVCodecTag codec_ism_tags[] = {
6817 { AV_CODEC_ID_WMAPRO , MKTAG('w', 'm', 'a', ' ') },
6818 { AV_CODEC_ID_NONE , 0 },
6821 static const AVCodecTag codec_ipod_tags[] = {
6822 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
6823 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
6824 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
6825 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
6826 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
6827 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
6828 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
6829 { AV_CODEC_ID_NONE, 0 },
6832 static const AVCodecTag codec_f4v_tags[] = {
6833 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
6834 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
6835 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
6836 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
6837 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
6838 { AV_CODEC_ID_NONE, 0 },
6841 #if CONFIG_MOV_MUXER
6843 AVOutputFormat ff_mov_muxer = {
6845 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
6846 .extensions = "mov",
6847 .priv_data_size = sizeof(MOVMuxContext),
6848 .audio_codec = AV_CODEC_ID_AAC,
6849 .video_codec = CONFIG_LIBX264_ENCODER ?
6850 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
6852 .write_header = mov_write_header,
6853 .write_packet = mov_write_packet,
6854 .write_trailer = mov_write_trailer,
6856 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6857 .codec_tag = (const AVCodecTag* const []){
6858 ff_codec_movvideo_tags, ff_codec_movaudio_tags, ff_codec_movsubtitle_tags, 0
6860 .check_bitstream = mov_check_bitstream,
6861 .priv_class = &mov_muxer_class,
6864 #if CONFIG_TGP_MUXER
6866 AVOutputFormat ff_tgp_muxer = {
6868 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
6869 .extensions = "3gp",
6870 .priv_data_size = sizeof(MOVMuxContext),
6871 .audio_codec = AV_CODEC_ID_AMR_NB,
6872 .video_codec = AV_CODEC_ID_H263,
6874 .write_header = mov_write_header,
6875 .write_packet = mov_write_packet,
6876 .write_trailer = mov_write_trailer,
6878 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6879 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
6880 .check_bitstream = mov_check_bitstream,
6881 .priv_class = &tgp_muxer_class,
6884 #if CONFIG_MP4_MUXER
6886 AVOutputFormat ff_mp4_muxer = {
6888 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
6889 .mime_type = "video/mp4",
6890 .extensions = "mp4",
6891 .priv_data_size = sizeof(MOVMuxContext),
6892 .audio_codec = AV_CODEC_ID_AAC,
6893 .video_codec = CONFIG_LIBX264_ENCODER ?
6894 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
6896 .write_header = mov_write_header,
6897 .write_packet = mov_write_packet,
6898 .write_trailer = mov_write_trailer,
6900 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6901 .codec_tag = (const AVCodecTag* const []){ codec_mp4_tags, 0 },
6902 .check_bitstream = mov_check_bitstream,
6903 .priv_class = &mp4_muxer_class,
6906 #if CONFIG_PSP_MUXER
6908 AVOutputFormat ff_psp_muxer = {
6910 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
6911 .extensions = "mp4,psp",
6912 .priv_data_size = sizeof(MOVMuxContext),
6913 .audio_codec = AV_CODEC_ID_AAC,
6914 .video_codec = CONFIG_LIBX264_ENCODER ?
6915 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
6917 .write_header = mov_write_header,
6918 .write_packet = mov_write_packet,
6919 .write_trailer = mov_write_trailer,
6921 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6922 .codec_tag = (const AVCodecTag* const []){ codec_mp4_tags, 0 },
6923 .check_bitstream = mov_check_bitstream,
6924 .priv_class = &psp_muxer_class,
6927 #if CONFIG_TG2_MUXER
6929 AVOutputFormat ff_tg2_muxer = {
6931 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
6932 .extensions = "3g2",
6933 .priv_data_size = sizeof(MOVMuxContext),
6934 .audio_codec = AV_CODEC_ID_AMR_NB,
6935 .video_codec = AV_CODEC_ID_H263,
6937 .write_header = mov_write_header,
6938 .write_packet = mov_write_packet,
6939 .write_trailer = mov_write_trailer,
6941 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6942 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
6943 .check_bitstream = mov_check_bitstream,
6944 .priv_class = &tg2_muxer_class,
6947 #if CONFIG_IPOD_MUXER
6949 AVOutputFormat ff_ipod_muxer = {
6951 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
6952 .mime_type = "video/mp4",
6953 .extensions = "m4v,m4a,m4b",
6954 .priv_data_size = sizeof(MOVMuxContext),
6955 .audio_codec = AV_CODEC_ID_AAC,
6956 .video_codec = AV_CODEC_ID_H264,
6958 .write_header = mov_write_header,
6959 .write_packet = mov_write_packet,
6960 .write_trailer = mov_write_trailer,
6962 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6963 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
6964 .check_bitstream = mov_check_bitstream,
6965 .priv_class = &ipod_muxer_class,
6968 #if CONFIG_ISMV_MUXER
6970 AVOutputFormat ff_ismv_muxer = {
6972 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
6973 .mime_type = "video/mp4",
6974 .extensions = "ismv,isma",
6975 .priv_data_size = sizeof(MOVMuxContext),
6976 .audio_codec = AV_CODEC_ID_AAC,
6977 .video_codec = AV_CODEC_ID_H264,
6979 .write_header = mov_write_header,
6980 .write_packet = mov_write_packet,
6981 .write_trailer = mov_write_trailer,
6983 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6984 .codec_tag = (const AVCodecTag* const []){
6985 codec_mp4_tags, codec_ism_tags, 0 },
6986 .check_bitstream = mov_check_bitstream,
6987 .priv_class = &ismv_muxer_class,
6990 #if CONFIG_F4V_MUXER
6992 AVOutputFormat ff_f4v_muxer = {
6994 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
6995 .mime_type = "application/f4v",
6996 .extensions = "f4v",
6997 .priv_data_size = sizeof(MOVMuxContext),
6998 .audio_codec = AV_CODEC_ID_AAC,
6999 .video_codec = AV_CODEC_ID_H264,
7001 .write_header = mov_write_header,
7002 .write_packet = mov_write_packet,
7003 .write_trailer = mov_write_trailer,
7005 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
7006 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
7007 .check_bitstream = mov_check_bitstream,
7008 .priv_class = &f4v_muxer_class,