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"
34 #include "libavcodec/ac3_parser_internal.h"
35 #include "libavcodec/dnxhddata.h"
36 #include "libavcodec/flac.h"
37 #include "libavcodec/get_bits.h"
39 #include "libavcodec/internal.h"
40 #include "libavcodec/put_bits.h"
41 #include "libavcodec/vc1_common.h"
42 #include "libavcodec/raw.h"
44 #include "libavutil/avstring.h"
45 #include "libavutil/intfloat.h"
46 #include "libavutil/mathematics.h"
47 #include "libavutil/libm.h"
48 #include "libavutil/opt.h"
49 #include "libavutil/dict.h"
50 #include "libavutil/pixdesc.h"
51 #include "libavutil/stereo3d.h"
52 #include "libavutil/timecode.h"
53 #include "libavutil/color_utils.h"
59 static const AVOption options[] = {
60 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
61 { "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" },
62 { "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 },
63 { "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" },
64 { "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" },
65 { "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" },
66 { "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" },
67 { "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" },
68 { "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" },
69 { "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" },
70 { "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" },
71 { "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" },
72 { "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" },
73 { "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" },
74 { "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" },
75 { "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" },
76 { "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" },
77 { "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" },
78 { "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" },
79 { "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" },
80 { "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" },
81 { "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" },
82 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
83 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
84 { "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},
85 { "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},
86 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
87 { "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},
88 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
89 { "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},
90 { "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},
91 { "brand", "Override major brand", offsetof(MOVMuxContext, major_brand), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
92 { "use_editlist", "use edit list", offsetof(MOVMuxContext, use_editlist), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
93 { "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},
94 { "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},
95 { "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 },
96 { "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 },
97 { "encryption_key", "The media encryption key (hex)", offsetof(MOVMuxContext, encryption_key), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_ENCODING_PARAM },
98 { "encryption_kid", "The media encryption key identifier (hex)", offsetof(MOVMuxContext, encryption_kid), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_ENCODING_PARAM },
99 { "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},
100 { "write_tmcd", "force or disable writing tmcd", offsetof(MOVMuxContext, write_tmcd), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
104 #define MOV_CLASS(flavor)\
105 static const AVClass flavor ## _muxer_class = {\
106 .class_name = #flavor " muxer",\
107 .item_name = av_default_item_name,\
109 .version = LIBAVUTIL_VERSION_INT,\
112 static int get_moov_size(AVFormatContext *s);
114 static int utf8len(const uint8_t *b)
119 GET_UTF8(val, *b++, return -1;)
125 //FIXME support 64 bit variant with wide placeholders
126 static int64_t update_size(AVIOContext *pb, int64_t pos)
128 int64_t curpos = avio_tell(pb);
129 avio_seek(pb, pos, SEEK_SET);
130 avio_wb32(pb, curpos - pos); /* rewrite size */
131 avio_seek(pb, curpos, SEEK_SET);
136 static int co64_required(const MOVTrack *track)
138 if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX)
143 /* Chunk offset atom */
144 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
147 int mode64 = co64_required(track); // use 32 bit size variant if possible
148 int64_t pos = avio_tell(pb);
149 avio_wb32(pb, 0); /* size */
151 ffio_wfourcc(pb, "co64");
153 ffio_wfourcc(pb, "stco");
154 avio_wb32(pb, 0); /* version & flags */
155 avio_wb32(pb, track->chunkCount); /* entry count */
156 for (i = 0; i < track->entry; i++) {
157 if (!track->cluster[i].chunkNum)
160 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
162 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
164 return update_size(pb, pos);
167 /* Sample size atom */
168 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
171 int i, j, entries = 0, tst = -1, oldtst = -1;
173 int64_t pos = avio_tell(pb);
174 avio_wb32(pb, 0); /* size */
175 ffio_wfourcc(pb, "stsz");
176 avio_wb32(pb, 0); /* version & flags */
178 for (i = 0; i < track->entry; i++) {
179 tst = track->cluster[i].size / track->cluster[i].entries;
180 if (oldtst != -1 && tst != oldtst)
183 entries += track->cluster[i].entries;
185 if (equalChunks && track->entry) {
186 int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0;
187 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
188 avio_wb32(pb, sSize); // sample size
189 avio_wb32(pb, entries); // sample count
191 avio_wb32(pb, 0); // sample size
192 avio_wb32(pb, entries); // sample count
193 for (i = 0; i < track->entry; i++) {
194 for (j = 0; j < track->cluster[i].entries; j++) {
195 avio_wb32(pb, track->cluster[i].size /
196 track->cluster[i].entries);
200 return update_size(pb, pos);
203 /* Sample to chunk atom */
204 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
206 int index = 0, oldval = -1, i;
207 int64_t entryPos, curpos;
209 int64_t pos = avio_tell(pb);
210 avio_wb32(pb, 0); /* size */
211 ffio_wfourcc(pb, "stsc");
212 avio_wb32(pb, 0); // version & flags
213 entryPos = avio_tell(pb);
214 avio_wb32(pb, track->chunkCount); // entry count
215 for (i = 0; i < track->entry; i++) {
216 if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum) {
217 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
218 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
219 avio_wb32(pb, 0x1); // sample description index
220 oldval = track->cluster[i].samples_in_chunk;
224 curpos = avio_tell(pb);
225 avio_seek(pb, entryPos, SEEK_SET);
226 avio_wb32(pb, index); // rewrite size
227 avio_seek(pb, curpos, SEEK_SET);
229 return update_size(pb, pos);
232 /* Sync sample atom */
233 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
235 int64_t curpos, entryPos;
237 int64_t pos = avio_tell(pb);
238 avio_wb32(pb, 0); // size
239 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
240 avio_wb32(pb, 0); // version & flags
241 entryPos = avio_tell(pb);
242 avio_wb32(pb, track->entry); // entry count
243 for (i = 0; i < track->entry; i++) {
244 if (track->cluster[i].flags & flag) {
245 avio_wb32(pb, i + 1);
249 curpos = avio_tell(pb);
250 avio_seek(pb, entryPos, SEEK_SET);
251 avio_wb32(pb, index); // rewrite size
252 avio_seek(pb, curpos, SEEK_SET);
253 return update_size(pb, pos);
256 /* Sample dependency atom */
257 static int mov_write_sdtp_tag(AVIOContext *pb, MOVTrack *track)
260 uint8_t leading, dependent, reference, redundancy;
261 int64_t pos = avio_tell(pb);
262 avio_wb32(pb, 0); // size
263 ffio_wfourcc(pb, "sdtp");
264 avio_wb32(pb, 0); // version & flags
265 for (i = 0; i < track->entry; i++) {
266 dependent = MOV_SAMPLE_DEPENDENCY_YES;
267 leading = reference = redundancy = MOV_SAMPLE_DEPENDENCY_UNKNOWN;
268 if (track->cluster[i].flags & MOV_DISPOSABLE_SAMPLE) {
269 reference = MOV_SAMPLE_DEPENDENCY_NO;
271 if (track->cluster[i].flags & MOV_SYNC_SAMPLE) {
272 dependent = MOV_SAMPLE_DEPENDENCY_NO;
274 avio_w8(pb, (leading << 6) | (dependent << 4) |
275 (reference << 2) | redundancy);
277 return update_size(pb, pos);
280 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
282 avio_wb32(pb, 0x11); /* size */
283 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
284 else ffio_wfourcc(pb, "damr");
285 ffio_wfourcc(pb, "FFMP");
286 avio_w8(pb, 0); /* decoder version */
288 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
289 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
290 avio_w8(pb, 0x01); /* Frames per sample */
294 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
299 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
301 if (track->vos_len < 7)
305 ffio_wfourcc(pb, "dac3");
307 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
308 fscod = get_bits(&gbc, 2);
309 frmsizecod = get_bits(&gbc, 6);
310 bsid = get_bits(&gbc, 5);
311 bsmod = get_bits(&gbc, 3);
312 acmod = get_bits(&gbc, 3);
314 skip_bits(&gbc, 2); // dsurmod
316 if ((acmod & 1) && acmod != 1)
317 skip_bits(&gbc, 2); // cmixlev
319 skip_bits(&gbc, 2); // surmixlev
321 lfeon = get_bits1(&gbc);
323 init_put_bits(&pbc, buf, sizeof(buf));
324 put_bits(&pbc, 2, fscod);
325 put_bits(&pbc, 5, bsid);
326 put_bits(&pbc, 3, bsmod);
327 put_bits(&pbc, 3, acmod);
328 put_bits(&pbc, 1, lfeon);
329 put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code
330 put_bits(&pbc, 5, 0); // reserved
332 flush_put_bits(&pbc);
333 avio_write(pb, buf, sizeof(buf));
343 /* Layout of the EC3SpecificBox */
344 /* maximum bitrate */
346 /* number of independent substreams */
349 /* sample rate code (see ff_ac3_sample_rate_tab) 2 bits */
351 /* bit stream identification 5 bits */
353 /* one bit reserved */
354 /* audio service mixing (not supported yet) 1 bit */
355 /* bit stream mode 3 bits */
357 /* audio coding mode 3 bits */
359 /* sub woofer on 1 bit */
361 /* 3 bits reserved */
362 /* number of dependent substreams associated with this substream 4 bits */
364 /* channel locations of the dependent substream(s), if any, 9 bits */
366 /* if there is no dependent substream, then one bit reserved instead */
367 } substream[1]; /* TODO: support 8 independent substreams */
370 #if CONFIG_AC3_PARSER
371 static int handle_eac3(MOVMuxContext *mov, AVPacket *pkt, MOVTrack *track)
373 AC3HeaderInfo *hdr = NULL;
374 struct eac3_info *info;
377 if (!track->eac3_priv && !(track->eac3_priv = av_mallocz(sizeof(*info))))
378 return AVERROR(ENOMEM);
379 info = track->eac3_priv;
381 if (avpriv_ac3_parse_header(&hdr, pkt->data, pkt->size) < 0) {
382 /* drop the packets until we see a good one */
384 av_log(mov, AV_LOG_WARNING, "Dropping invalid packet from start of the stream\n");
387 ret = AVERROR_INVALIDDATA;
391 info->data_rate = FFMAX(info->data_rate, hdr->bit_rate / 1000);
392 num_blocks = hdr->num_blocks;
394 if (!info->ec3_done) {
395 /* AC-3 substream must be the first one */
396 if (hdr->bitstream_id <= 10 && hdr->substreamid != 0) {
397 ret = AVERROR(EINVAL);
401 /* this should always be the case, given that our AC-3 parser
402 * concatenates dependent frames to their independent parent */
403 if (hdr->frame_type == EAC3_FRAME_TYPE_INDEPENDENT) {
404 /* substream ids must be incremental */
405 if (hdr->substreamid > info->num_ind_sub + 1) {
406 ret = AVERROR(EINVAL);
410 if (hdr->substreamid == info->num_ind_sub + 1) {
411 //info->num_ind_sub++;
412 avpriv_request_sample(track->par, "Multiple independent substreams");
413 ret = AVERROR_PATCHWELCOME;
415 } else if (hdr->substreamid < info->num_ind_sub ||
416 hdr->substreamid == 0 && info->substream[0].bsid) {
422 /* fill the info needed for the "dec3" atom */
423 info->substream[hdr->substreamid].fscod = hdr->sr_code;
424 info->substream[hdr->substreamid].bsid = hdr->bitstream_id;
425 info->substream[hdr->substreamid].bsmod = hdr->bitstream_mode;
426 info->substream[hdr->substreamid].acmod = hdr->channel_mode;
427 info->substream[hdr->substreamid].lfeon = hdr->lfe_on;
429 /* Parse dependent substream(s), if any */
430 if (pkt->size != hdr->frame_size) {
431 int cumul_size = hdr->frame_size;
432 int parent = hdr->substreamid;
434 while (cumul_size != pkt->size) {
437 ret = avpriv_ac3_parse_header(&hdr, pkt->data + cumul_size, pkt->size - cumul_size);
440 if (hdr->frame_type != EAC3_FRAME_TYPE_DEPENDENT) {
441 ret = AVERROR(EINVAL);
444 info->substream[parent].num_dep_sub++;
447 /* header is parsed up to lfeon, but custom channel map may be needed */
448 init_get_bits8(&gbc, pkt->data + cumul_size + ret, pkt->size - cumul_size - ret);
451 /* skip volume control params */
452 for (i = 0; i < (hdr->channel_mode ? 1 : 2); i++) {
453 skip_bits(&gbc, 5); // skip dialog normalization
454 if (get_bits1(&gbc)) {
455 skip_bits(&gbc, 8); // skip compression gain word
458 /* get the dependent stream channel map, if exists */
460 info->substream[parent].chan_loc |= (get_bits(&gbc, 16) >> 5) & 0x1f;
462 info->substream[parent].chan_loc |= hdr->channel_mode;
463 cumul_size += hdr->frame_size;
469 if (!info->num_blocks && num_blocks == 6) {
473 else if (info->num_blocks + num_blocks > 6) {
474 ret = AVERROR_INVALIDDATA;
478 if (!info->num_blocks) {
479 ret = av_packet_ref(&info->pkt, pkt);
481 info->num_blocks = num_blocks;
484 if ((ret = av_grow_packet(&info->pkt, pkt->size)) < 0)
486 memcpy(info->pkt.data + info->pkt.size - pkt->size, pkt->data, pkt->size);
487 info->num_blocks += num_blocks;
488 info->pkt.duration += pkt->duration;
489 if ((ret = av_copy_packet_side_data(&info->pkt, pkt)) < 0)
491 if (info->num_blocks != 6)
493 av_packet_unref(pkt);
494 ret = av_packet_ref(pkt, &info->pkt);
497 av_packet_unref(&info->pkt);
498 info->num_blocks = 0;
509 static int mov_write_eac3_tag(AVIOContext *pb, MOVTrack *track)
513 struct eac3_info *info;
516 if (!track->eac3_priv)
517 return AVERROR(EINVAL);
519 info = track->eac3_priv;
520 size = 2 + 4 * (info->num_ind_sub + 1);
521 buf = av_malloc(size);
523 size = AVERROR(ENOMEM);
527 init_put_bits(&pbc, buf, size);
528 put_bits(&pbc, 13, info->data_rate);
529 put_bits(&pbc, 3, info->num_ind_sub);
530 for (i = 0; i <= info->num_ind_sub; i++) {
531 put_bits(&pbc, 2, info->substream[i].fscod);
532 put_bits(&pbc, 5, info->substream[i].bsid);
533 put_bits(&pbc, 1, 0); /* reserved */
534 put_bits(&pbc, 1, 0); /* asvc */
535 put_bits(&pbc, 3, info->substream[i].bsmod);
536 put_bits(&pbc, 3, info->substream[i].acmod);
537 put_bits(&pbc, 1, info->substream[i].lfeon);
538 put_bits(&pbc, 5, 0); /* reserved */
539 put_bits(&pbc, 4, info->substream[i].num_dep_sub);
540 if (!info->substream[i].num_dep_sub) {
541 put_bits(&pbc, 1, 0); /* reserved */
544 put_bits(&pbc, 9, info->substream[i].chan_loc);
547 flush_put_bits(&pbc);
549 avio_wb32(pb, size + 8);
550 ffio_wfourcc(pb, "dec3");
551 avio_write(pb, buf, size);
556 av_packet_unref(&info->pkt);
557 av_freep(&track->eac3_priv);
563 * This function writes extradata "as is".
564 * Extradata must be formatted like a valid atom (with size and tag).
566 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
568 avio_write(pb, track->par->extradata, track->par->extradata_size);
569 return track->par->extradata_size;
572 static int mov_write_enda_tag(AVIOContext *pb)
575 ffio_wfourcc(pb, "enda");
576 avio_wb16(pb, 1); /* little endian */
580 static int mov_write_enda_tag_be(AVIOContext *pb)
583 ffio_wfourcc(pb, "enda");
584 avio_wb16(pb, 0); /* big endian */
588 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
593 avio_w8(pb, (size >> (7 * i)) | 0x80);
594 avio_w8(pb, size & 0x7F);
597 static unsigned compute_avg_bitrate(MOVTrack *track)
601 if (!track->track_duration)
603 for (i = 0; i < track->entry; i++)
604 size += track->cluster[i].size;
605 return size * 8 * track->timescale / track->track_duration;
608 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
610 AVCPBProperties *props;
611 int64_t pos = avio_tell(pb);
612 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
613 unsigned avg_bitrate;
615 avio_wb32(pb, 0); // size
616 ffio_wfourcc(pb, "esds");
617 avio_wb32(pb, 0); // Version
620 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
621 avio_wb16(pb, track->track_id);
622 avio_w8(pb, 0x00); // flags (= no flags)
624 // DecoderConfig descriptor
625 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
627 // Object type indication
628 if ((track->par->codec_id == AV_CODEC_ID_MP2 ||
629 track->par->codec_id == AV_CODEC_ID_MP3) &&
630 track->par->sample_rate > 24000)
631 avio_w8(pb, 0x6B); // 11172-3
633 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->par->codec_id));
635 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
636 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
637 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
638 avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
639 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
640 avio_w8(pb, 0x15); // flags (= Audiostream)
642 avio_w8(pb, 0x11); // flags (= Visualstream)
644 props = (AVCPBProperties*)av_stream_get_side_data(track->st, AV_PKT_DATA_CPB_PROPERTIES,
647 avio_wb24(pb, props ? props->buffer_size / 8 : 0); // Buffersize DB
649 avg_bitrate = compute_avg_bitrate(track);
650 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)
651 avio_wb32(pb, avg_bitrate);
653 if (track->vos_len) {
654 // DecoderSpecific info descriptor
655 put_descr(pb, 0x05, track->vos_len);
656 avio_write(pb, track->vos_data, track->vos_len);
660 put_descr(pb, 0x06, 1);
662 return update_size(pb, pos);
665 static int mov_pcm_le_gt16(enum AVCodecID codec_id)
667 return codec_id == AV_CODEC_ID_PCM_S24LE ||
668 codec_id == AV_CODEC_ID_PCM_S32LE ||
669 codec_id == AV_CODEC_ID_PCM_F32LE ||
670 codec_id == AV_CODEC_ID_PCM_F64LE;
673 static int mov_pcm_be_gt16(enum AVCodecID codec_id)
675 return codec_id == AV_CODEC_ID_PCM_S24BE ||
676 codec_id == AV_CODEC_ID_PCM_S32BE ||
677 codec_id == AV_CODEC_ID_PCM_F32BE ||
678 codec_id == AV_CODEC_ID_PCM_F64BE;
681 static int mov_write_ms_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
684 int64_t pos = avio_tell(pb);
686 avio_wl32(pb, track->tag); // store it byteswapped
687 track->par->codec_tag = av_bswap16(track->tag >> 16);
688 if ((ret = ff_put_wav_header(s, pb, track->par, 0)) < 0)
690 return update_size(pb, pos);
693 static int mov_write_wfex_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
696 int64_t pos = avio_tell(pb);
698 ffio_wfourcc(pb, "wfex");
699 if ((ret = ff_put_wav_header(s, pb, track->st->codecpar, FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX)) < 0)
701 return update_size(pb, pos);
704 static int mov_write_dfla_tag(AVIOContext *pb, MOVTrack *track)
706 int64_t pos = avio_tell(pb);
708 ffio_wfourcc(pb, "dfLa");
709 avio_w8(pb, 0); /* version */
710 avio_wb24(pb, 0); /* flags */
712 /* Expect the encoder to pass a METADATA_BLOCK_TYPE_STREAMINFO. */
713 if (track->par->extradata_size != FLAC_STREAMINFO_SIZE)
714 return AVERROR_INVALIDDATA;
716 /* TODO: Write other METADATA_BLOCK_TYPEs if the encoder makes them available. */
717 avio_w8(pb, 1 << 7 | FLAC_METADATA_TYPE_STREAMINFO); /* LastMetadataBlockFlag << 7 | BlockType */
718 avio_wb24(pb, track->par->extradata_size); /* Length */
719 avio_write(pb, track->par->extradata, track->par->extradata_size); /* BlockData[Length] */
721 return update_size(pb, pos);
724 static int mov_write_dops_tag(AVIOContext *pb, MOVTrack *track)
726 int64_t pos = avio_tell(pb);
728 ffio_wfourcc(pb, "dOps");
729 avio_w8(pb, 0); /* Version */
730 if (track->par->extradata_size < 19) {
731 av_log(pb, AV_LOG_ERROR, "invalid extradata size\n");
732 return AVERROR_INVALIDDATA;
734 /* extradata contains an Ogg OpusHead, other than byte-ordering and
735 OpusHead's preceeding magic/version, OpusSpecificBox is currently
737 avio_w8(pb, AV_RB8(track->par->extradata + 9)); /* OuputChannelCount */
738 avio_wb16(pb, AV_RL16(track->par->extradata + 10)); /* PreSkip */
739 avio_wb32(pb, AV_RL32(track->par->extradata + 12)); /* InputSampleRate */
740 avio_wb16(pb, AV_RL16(track->par->extradata + 16)); /* OutputGain */
741 /* Write the rest of the header out without byte-swapping. */
742 avio_write(pb, track->par->extradata + 18, track->par->extradata_size - 18);
744 return update_size(pb, pos);
747 static int mov_write_chan_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
749 uint32_t layout_tag, bitmap;
750 int64_t pos = avio_tell(pb);
752 layout_tag = ff_mov_get_channel_layout_tag(track->par->codec_id,
753 track->par->channel_layout,
756 av_log(s, AV_LOG_WARNING, "not writing 'chan' tag due to "
757 "lack of channel information\n");
761 if (track->multichannel_as_mono)
764 avio_wb32(pb, 0); // Size
765 ffio_wfourcc(pb, "chan"); // Type
766 avio_w8(pb, 0); // Version
767 avio_wb24(pb, 0); // Flags
768 avio_wb32(pb, layout_tag); // mChannelLayoutTag
769 avio_wb32(pb, bitmap); // mChannelBitmap
770 avio_wb32(pb, 0); // mNumberChannelDescriptions
772 return update_size(pb, pos);
775 static int mov_write_wave_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
777 int64_t pos = avio_tell(pb);
779 avio_wb32(pb, 0); /* size */
780 ffio_wfourcc(pb, "wave");
782 if (track->par->codec_id != AV_CODEC_ID_QDM2) {
783 avio_wb32(pb, 12); /* size */
784 ffio_wfourcc(pb, "frma");
785 avio_wl32(pb, track->tag);
788 if (track->par->codec_id == AV_CODEC_ID_AAC) {
789 /* useless atom needed by mplayer, ipod, not needed by quicktime */
790 avio_wb32(pb, 12); /* size */
791 ffio_wfourcc(pb, "mp4a");
793 mov_write_esds_tag(pb, track);
794 } else if (mov_pcm_le_gt16(track->par->codec_id)) {
795 mov_write_enda_tag(pb);
796 } else if (mov_pcm_be_gt16(track->par->codec_id)) {
797 mov_write_enda_tag_be(pb);
798 } else if (track->par->codec_id == AV_CODEC_ID_AMR_NB) {
799 mov_write_amr_tag(pb, track);
800 } else if (track->par->codec_id == AV_CODEC_ID_AC3) {
801 mov_write_ac3_tag(pb, track);
802 } else if (track->par->codec_id == AV_CODEC_ID_EAC3) {
803 mov_write_eac3_tag(pb, track);
804 } else if (track->par->codec_id == AV_CODEC_ID_ALAC ||
805 track->par->codec_id == AV_CODEC_ID_QDM2) {
806 mov_write_extradata_tag(pb, track);
807 } else if (track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
808 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
809 mov_write_ms_tag(s, pb, track);
812 avio_wb32(pb, 8); /* size */
813 avio_wb32(pb, 0); /* null tag */
815 return update_size(pb, pos);
818 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
821 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
822 int unescaped_size, seq_found = 0;
823 int level = 0, interlace = 0;
824 int packet_seq = track->vc1_info.packet_seq;
825 int packet_entry = track->vc1_info.packet_entry;
826 int slices = track->vc1_info.slices;
829 if (track->start_dts == AV_NOPTS_VALUE) {
830 /* No packets written yet, vc1_info isn't authoritative yet. */
831 /* Assume inline sequence and entry headers. */
832 packet_seq = packet_entry = 1;
833 av_log(NULL, AV_LOG_WARNING,
834 "moov atom written before any packets, unable to write correct "
835 "dvc1 atom. Set the delay_moov flag to fix this.\n");
838 unescaped = av_mallocz(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
840 return AVERROR(ENOMEM);
841 start = find_next_marker(track->vos_data, end);
842 for (next = start; next < end; start = next) {
845 next = find_next_marker(start + 4, end);
846 size = next - start - 4;
849 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
850 init_get_bits(&gb, unescaped, 8 * unescaped_size);
851 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
852 int profile = get_bits(&gb, 2);
853 if (profile != PROFILE_ADVANCED) {
855 return AVERROR(ENOSYS);
858 level = get_bits(&gb, 3);
859 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
861 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
862 skip_bits(&gb, 1); /* broadcast */
863 interlace = get_bits1(&gb);
864 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
869 return AVERROR(ENOSYS);
872 init_put_bits(&pbc, buf, 7);
873 /* VC1DecSpecStruc */
874 put_bits(&pbc, 4, 12); /* profile - advanced */
875 put_bits(&pbc, 3, level);
876 put_bits(&pbc, 1, 0); /* reserved */
877 /* VC1AdvDecSpecStruc */
878 put_bits(&pbc, 3, level);
879 put_bits(&pbc, 1, 0); /* cbr */
880 put_bits(&pbc, 6, 0); /* reserved */
881 put_bits(&pbc, 1, !interlace); /* no interlace */
882 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
883 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
884 put_bits(&pbc, 1, !slices); /* no slice code */
885 put_bits(&pbc, 1, 0); /* no bframe */
886 put_bits(&pbc, 1, 0); /* reserved */
889 if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0)
890 put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den);
892 put_bits32(&pbc, 0xffffffff);
894 flush_put_bits(&pbc);
901 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
903 uint8_t buf[7] = { 0 };
906 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
909 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
910 ffio_wfourcc(pb, "dvc1");
911 avio_write(pb, buf, sizeof(buf));
912 avio_write(pb, track->vos_data, track->vos_len);
917 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
919 avio_wb32(pb, track->vos_len + 8);
920 ffio_wfourcc(pb, "glbl");
921 avio_write(pb, track->vos_data, track->vos_len);
922 return 8 + track->vos_len;
926 * Compute flags for 'lpcm' tag.
927 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
929 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
932 case AV_CODEC_ID_PCM_F32BE:
933 case AV_CODEC_ID_PCM_F64BE:
935 case AV_CODEC_ID_PCM_F32LE:
936 case AV_CODEC_ID_PCM_F64LE:
938 case AV_CODEC_ID_PCM_U8:
940 case AV_CODEC_ID_PCM_S16BE:
941 case AV_CODEC_ID_PCM_S24BE:
942 case AV_CODEC_ID_PCM_S32BE:
944 case AV_CODEC_ID_PCM_S8:
945 case AV_CODEC_ID_PCM_S16LE:
946 case AV_CODEC_ID_PCM_S24LE:
947 case AV_CODEC_ID_PCM_S32LE:
954 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
958 if (cluster_idx >= track->entry)
961 if (cluster_idx + 1 == track->entry)
962 next_dts = track->track_duration + track->start_dts;
964 next_dts = track->cluster[cluster_idx + 1].dts;
966 next_dts -= track->cluster[cluster_idx].dts;
968 av_assert0(next_dts >= 0);
969 av_assert0(next_dts <= INT_MAX);
974 static int get_samples_per_packet(MOVTrack *track)
976 int i, first_duration;
978 // return track->par->frame_size;
980 /* use 1 for raw PCM */
981 if (!track->audio_vbr)
984 /* check to see if duration is constant for all clusters */
987 first_duration = get_cluster_duration(track, 0);
988 for (i = 1; i < track->entry; i++) {
989 if (get_cluster_duration(track, i) != first_duration)
992 return first_duration;
995 static int mov_write_audio_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
997 int64_t pos = avio_tell(pb);
999 uint32_t tag = track->tag;
1001 if (track->mode == MODE_MOV) {
1002 if (track->timescale > UINT16_MAX) {
1003 if (mov_get_lpcm_flags(track->par->codec_id))
1004 tag = AV_RL32("lpcm");
1006 } else if (track->audio_vbr || mov_pcm_le_gt16(track->par->codec_id) ||
1007 mov_pcm_be_gt16(track->par->codec_id) ||
1008 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
1009 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
1010 track->par->codec_id == AV_CODEC_ID_QDM2) {
1015 avio_wb32(pb, 0); /* size */
1016 if (mov->encryption_scheme != MOV_ENC_NONE) {
1017 ffio_wfourcc(pb, "enca");
1019 avio_wl32(pb, tag); // store it byteswapped
1021 avio_wb32(pb, 0); /* Reserved */
1022 avio_wb16(pb, 0); /* Reserved */
1023 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
1025 /* SoundDescription */
1026 avio_wb16(pb, version); /* Version */
1027 avio_wb16(pb, 0); /* Revision level */
1028 avio_wb32(pb, 0); /* Reserved */
1033 avio_wb16(pb, 0xfffe);
1035 avio_wb32(pb, 0x00010000);
1037 avio_wb64(pb, av_double2int(track->par->sample_rate));
1038 avio_wb32(pb, track->par->channels);
1039 avio_wb32(pb, 0x7F000000);
1040 avio_wb32(pb, av_get_bits_per_sample(track->par->codec_id));
1041 avio_wb32(pb, mov_get_lpcm_flags(track->par->codec_id));
1042 avio_wb32(pb, track->sample_size);
1043 avio_wb32(pb, get_samples_per_packet(track));
1045 if (track->mode == MODE_MOV) {
1046 avio_wb16(pb, track->par->channels);
1047 if (track->par->codec_id == AV_CODEC_ID_PCM_U8 ||
1048 track->par->codec_id == AV_CODEC_ID_PCM_S8)
1049 avio_wb16(pb, 8); /* bits per sample */
1050 else if (track->par->codec_id == AV_CODEC_ID_ADPCM_G726)
1051 avio_wb16(pb, track->par->bits_per_coded_sample);
1054 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
1055 } else { /* reserved for mp4/3gp */
1056 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
1057 track->par->codec_id == AV_CODEC_ID_OPUS) {
1058 avio_wb16(pb, track->par->channels);
1062 if (track->par->codec_id == AV_CODEC_ID_FLAC) {
1063 avio_wb16(pb, track->par->bits_per_raw_sample);
1070 avio_wb16(pb, 0); /* packet size (= 0) */
1071 if (track->par->codec_id == AV_CODEC_ID_OPUS)
1072 avio_wb16(pb, 48000);
1074 avio_wb16(pb, track->par->sample_rate <= UINT16_MAX ?
1075 track->par->sample_rate : 0);
1076 avio_wb16(pb, 0); /* Reserved */
1079 if (version == 1) { /* SoundDescription V1 extended info */
1080 if (mov_pcm_le_gt16(track->par->codec_id) ||
1081 mov_pcm_be_gt16(track->par->codec_id))
1082 avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
1084 avio_wb32(pb, track->par->frame_size); /* Samples per packet */
1085 avio_wb32(pb, track->sample_size / track->par->channels); /* Bytes per packet */
1086 avio_wb32(pb, track->sample_size); /* Bytes per frame */
1087 avio_wb32(pb, 2); /* Bytes per sample */
1090 if (track->mode == MODE_MOV &&
1091 (track->par->codec_id == AV_CODEC_ID_AAC ||
1092 track->par->codec_id == AV_CODEC_ID_AC3 ||
1093 track->par->codec_id == AV_CODEC_ID_EAC3 ||
1094 track->par->codec_id == AV_CODEC_ID_AMR_NB ||
1095 track->par->codec_id == AV_CODEC_ID_ALAC ||
1096 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
1097 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
1098 track->par->codec_id == AV_CODEC_ID_QDM2 ||
1099 (mov_pcm_le_gt16(track->par->codec_id) && version==1) ||
1100 (mov_pcm_be_gt16(track->par->codec_id) && version==1)))
1101 mov_write_wave_tag(s, pb, track);
1102 else if (track->tag == MKTAG('m','p','4','a'))
1103 mov_write_esds_tag(pb, track);
1104 else if (track->par->codec_id == AV_CODEC_ID_AMR_NB)
1105 mov_write_amr_tag(pb, track);
1106 else if (track->par->codec_id == AV_CODEC_ID_AC3)
1107 mov_write_ac3_tag(pb, track);
1108 else if (track->par->codec_id == AV_CODEC_ID_EAC3)
1109 mov_write_eac3_tag(pb, track);
1110 else if (track->par->codec_id == AV_CODEC_ID_ALAC)
1111 mov_write_extradata_tag(pb, track);
1112 else if (track->par->codec_id == AV_CODEC_ID_WMAPRO)
1113 mov_write_wfex_tag(s, pb, track);
1114 else if (track->par->codec_id == AV_CODEC_ID_FLAC)
1115 mov_write_dfla_tag(pb, track);
1116 else if (track->par->codec_id == AV_CODEC_ID_OPUS)
1117 mov_write_dops_tag(pb, track);
1118 else if (track->vos_len > 0)
1119 mov_write_glbl_tag(pb, track);
1121 if (track->mode == MODE_MOV && track->par->codec_type == AVMEDIA_TYPE_AUDIO)
1122 mov_write_chan_tag(s, pb, track);
1124 if (mov->encryption_scheme != MOV_ENC_NONE) {
1125 ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid);
1128 return update_size(pb, pos);
1131 static int mov_write_d263_tag(AVIOContext *pb)
1133 avio_wb32(pb, 0xf); /* size */
1134 ffio_wfourcc(pb, "d263");
1135 ffio_wfourcc(pb, "FFMP");
1136 avio_w8(pb, 0); /* decoder version */
1137 /* FIXME use AVCodecContext level/profile, when encoder will set values */
1138 avio_w8(pb, 0xa); /* level */
1139 avio_w8(pb, 0); /* profile */
1143 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
1145 int64_t pos = avio_tell(pb);
1148 ffio_wfourcc(pb, "avcC");
1149 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
1150 return update_size(pb, pos);
1153 static int mov_write_vpcc_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
1155 int64_t pos = avio_tell(pb);
1158 ffio_wfourcc(pb, "vpcC");
1159 avio_w8(pb, 1); /* version */
1160 avio_wb24(pb, 0); /* flags */
1161 ff_isom_write_vpcc(s, pb, track->par);
1162 return update_size(pb, pos);
1165 static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
1167 int64_t pos = avio_tell(pb);
1170 ffio_wfourcc(pb, "hvcC");
1171 if (track->tag == MKTAG('h','v','c','1'))
1172 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 1);
1174 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
1175 return update_size(pb, pos);
1178 /* also used by all avid codecs (dv, imx, meridien) and their variants */
1179 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
1184 int display_width = track->par->width;
1186 if (track->vos_data && track->vos_len > 0x29) {
1187 if (ff_dnxhd_parse_header_prefix(track->vos_data) != 0) {
1188 /* looks like a DNxHD bit stream */
1189 interlaced = (track->vos_data[5] & 2);
1190 cid = AV_RB32(track->vos_data + 0x28);
1192 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream in vos_data\n");
1196 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream, vos_data too small\n");
1200 avio_wb32(pb, 24); /* size */
1201 ffio_wfourcc(pb, "ACLR");
1202 ffio_wfourcc(pb, "ACLR");
1203 ffio_wfourcc(pb, "0001");
1204 if (track->par->color_range == AVCOL_RANGE_MPEG || /* Legal range (16-235) */
1205 track->par->color_range == AVCOL_RANGE_UNSPECIFIED) {
1206 avio_wb32(pb, 1); /* Corresponds to 709 in official encoder */
1207 } else { /* Full range (0-255) */
1208 avio_wb32(pb, 2); /* Corresponds to RGB in official encoder */
1210 avio_wb32(pb, 0); /* unknown */
1212 if (track->tag == MKTAG('A','V','d','h')) {
1214 ffio_wfourcc(pb, "ADHR");
1215 ffio_wfourcc(pb, "0001");
1217 avio_wb32(pb, 0); /* unknown */
1218 avio_wb32(pb, 1); /* unknown */
1219 avio_wb32(pb, 0); /* unknown */
1220 avio_wb32(pb, 0); /* unknown */
1224 avio_wb32(pb, 24); /* size */
1225 ffio_wfourcc(pb, "APRG");
1226 ffio_wfourcc(pb, "APRG");
1227 ffio_wfourcc(pb, "0001");
1228 avio_wb32(pb, 1); /* unknown */
1229 avio_wb32(pb, 0); /* unknown */
1231 avio_wb32(pb, 120); /* size */
1232 ffio_wfourcc(pb, "ARES");
1233 ffio_wfourcc(pb, "ARES");
1234 ffio_wfourcc(pb, "0001");
1235 avio_wb32(pb, cid); /* dnxhd cid, some id ? */
1236 if ( track->par->sample_aspect_ratio.num > 0
1237 && track->par->sample_aspect_ratio.den > 0)
1238 display_width = display_width * track->par->sample_aspect_ratio.num / track->par->sample_aspect_ratio.den;
1239 avio_wb32(pb, display_width);
1240 /* values below are based on samples created with quicktime and avid codecs */
1242 avio_wb32(pb, track->par->height / 2);
1243 avio_wb32(pb, 2); /* unknown */
1244 avio_wb32(pb, 0); /* unknown */
1245 avio_wb32(pb, 4); /* unknown */
1247 avio_wb32(pb, track->par->height);
1248 avio_wb32(pb, 1); /* unknown */
1249 avio_wb32(pb, 0); /* unknown */
1250 if (track->par->height == 1080)
1251 avio_wb32(pb, 5); /* unknown */
1253 avio_wb32(pb, 6); /* unknown */
1256 for (i = 0; i < 10; i++)
1262 static int mov_write_dpxe_tag(AVIOContext *pb, MOVTrack *track)
1265 ffio_wfourcc(pb, "DpxE");
1266 if (track->par->extradata_size >= 12 &&
1267 !memcmp(&track->par->extradata[4], "DpxE", 4)) {
1268 avio_wb32(pb, track->par->extradata[11]);
1275 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
1279 if (track->par->width == 720) { /* SD */
1280 if (track->par->height == 480) { /* NTSC */
1281 if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
1282 else tag = MKTAG('d','v','c',' ');
1283 }else if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
1284 else if (track->par->format == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
1285 else tag = MKTAG('d','v','p','p');
1286 } else if (track->par->height == 720) { /* HD 720 line */
1287 if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q');
1288 else tag = MKTAG('d','v','h','p');
1289 } else if (track->par->height == 1080) { /* HD 1080 line */
1290 if (track->st->time_base.den == 25) tag = MKTAG('d','v','h','5');
1291 else tag = MKTAG('d','v','h','6');
1293 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
1300 static AVRational find_fps(AVFormatContext *s, AVStream *st)
1302 AVRational rate = st->avg_frame_rate;
1304 #if FF_API_LAVF_AVCTX
1305 FF_DISABLE_DEPRECATION_WARNINGS
1306 rate = av_inv_q(st->codec->time_base);
1307 if (av_timecode_check_frame_rate(rate) < 0) {
1308 av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
1309 rate.num, rate.den, st->avg_frame_rate.num, st->avg_frame_rate.den);
1310 rate = st->avg_frame_rate;
1312 FF_ENABLE_DEPRECATION_WARNINGS
1318 static int defined_frame_rate(AVFormatContext *s, AVStream *st)
1320 AVRational rational_framerate = find_fps(s, st);
1322 if (rational_framerate.den != 0)
1323 rate = av_q2d(rational_framerate);
1327 static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext *s, MOVTrack *track)
1329 int tag = track->par->codec_tag;
1330 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1331 AVStream *st = track->st;
1332 int rate = defined_frame_rate(s, st);
1335 tag = MKTAG('m', '2', 'v', '1'); //fallback tag
1337 if (track->par->format == AV_PIX_FMT_YUV420P) {
1338 if (track->par->width == 1280 && track->par->height == 720) {
1340 if (rate == 24) tag = MKTAG('x','d','v','4');
1341 else if (rate == 25) tag = MKTAG('x','d','v','5');
1342 else if (rate == 30) tag = MKTAG('x','d','v','1');
1343 else if (rate == 50) tag = MKTAG('x','d','v','a');
1344 else if (rate == 60) tag = MKTAG('x','d','v','9');
1346 } else if (track->par->width == 1440 && track->par->height == 1080) {
1348 if (rate == 24) tag = MKTAG('x','d','v','6');
1349 else if (rate == 25) tag = MKTAG('x','d','v','7');
1350 else if (rate == 30) tag = MKTAG('x','d','v','8');
1352 if (rate == 25) tag = MKTAG('x','d','v','3');
1353 else if (rate == 30) tag = MKTAG('x','d','v','2');
1355 } else if (track->par->width == 1920 && track->par->height == 1080) {
1357 if (rate == 24) tag = MKTAG('x','d','v','d');
1358 else if (rate == 25) tag = MKTAG('x','d','v','e');
1359 else if (rate == 30) tag = MKTAG('x','d','v','f');
1361 if (rate == 25) tag = MKTAG('x','d','v','c');
1362 else if (rate == 30) tag = MKTAG('x','d','v','b');
1365 } else if (track->par->format == AV_PIX_FMT_YUV422P) {
1366 if (track->par->width == 1280 && track->par->height == 720) {
1368 if (rate == 24) tag = MKTAG('x','d','5','4');
1369 else if (rate == 25) tag = MKTAG('x','d','5','5');
1370 else if (rate == 30) tag = MKTAG('x','d','5','1');
1371 else if (rate == 50) tag = MKTAG('x','d','5','a');
1372 else if (rate == 60) tag = MKTAG('x','d','5','9');
1374 } else if (track->par->width == 1920 && track->par->height == 1080) {
1376 if (rate == 24) tag = MKTAG('x','d','5','d');
1377 else if (rate == 25) tag = MKTAG('x','d','5','e');
1378 else if (rate == 30) tag = MKTAG('x','d','5','f');
1380 if (rate == 25) tag = MKTAG('x','d','5','c');
1381 else if (rate == 30) tag = MKTAG('x','d','5','b');
1389 static int mov_get_h264_codec_tag(AVFormatContext *s, MOVTrack *track)
1391 int tag = track->par->codec_tag;
1392 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1393 AVStream *st = track->st;
1394 int rate = defined_frame_rate(s, st);
1397 tag = MKTAG('a', 'v', 'c', 'i'); //fallback tag
1399 if (track->par->format == AV_PIX_FMT_YUV420P10) {
1400 if (track->par->width == 960 && track->par->height == 720) {
1402 if (rate == 24) tag = MKTAG('a','i','5','p');
1403 else if (rate == 25) tag = MKTAG('a','i','5','q');
1404 else if (rate == 30) tag = MKTAG('a','i','5','p');
1405 else if (rate == 50) tag = MKTAG('a','i','5','q');
1406 else if (rate == 60) tag = MKTAG('a','i','5','p');
1408 } else if (track->par->width == 1440 && track->par->height == 1080) {
1410 if (rate == 24) tag = MKTAG('a','i','5','3');
1411 else if (rate == 25) tag = MKTAG('a','i','5','2');
1412 else if (rate == 30) tag = MKTAG('a','i','5','3');
1414 if (rate == 50) tag = MKTAG('a','i','5','5');
1415 else if (rate == 60) tag = MKTAG('a','i','5','6');
1418 } else if (track->par->format == AV_PIX_FMT_YUV422P10) {
1419 if (track->par->width == 1280 && track->par->height == 720) {
1421 if (rate == 24) tag = MKTAG('a','i','1','p');
1422 else if (rate == 25) tag = MKTAG('a','i','1','q');
1423 else if (rate == 30) tag = MKTAG('a','i','1','p');
1424 else if (rate == 50) tag = MKTAG('a','i','1','q');
1425 else if (rate == 60) tag = MKTAG('a','i','1','p');
1427 } else if (track->par->width == 1920 && track->par->height == 1080) {
1429 if (rate == 24) tag = MKTAG('a','i','1','3');
1430 else if (rate == 25) tag = MKTAG('a','i','1','2');
1431 else if (rate == 30) tag = MKTAG('a','i','1','3');
1433 if (rate == 25) tag = MKTAG('a','i','1','5');
1434 else if (rate == 50) tag = MKTAG('a','i','1','5');
1435 else if (rate == 60) tag = MKTAG('a','i','1','6');
1437 } else if ( track->par->width == 4096 && track->par->height == 2160
1438 || track->par->width == 3840 && track->par->height == 2160
1439 || track->par->width == 2048 && track->par->height == 1080) {
1440 tag = MKTAG('a','i','v','x');
1447 static const struct {
1448 enum AVPixelFormat pix_fmt;
1451 } mov_pix_fmt_tags[] = {
1452 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
1453 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
1454 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
1455 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
1456 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
1457 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
1458 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
1459 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
1460 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
1461 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
1462 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
1463 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
1464 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
1465 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
1466 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
1469 static int mov_get_dnxhd_codec_tag(AVFormatContext *s, MOVTrack *track)
1471 int tag = MKTAG('A','V','d','n');
1472 if (track->par->profile != FF_PROFILE_UNKNOWN &&
1473 track->par->profile != FF_PROFILE_DNXHD)
1474 tag = MKTAG('A','V','d','h');
1478 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
1480 int tag = track->par->codec_tag;
1482 enum AVPixelFormat pix_fmt;
1484 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
1485 if (track->par->format == mov_pix_fmt_tags[i].pix_fmt) {
1486 tag = mov_pix_fmt_tags[i].tag;
1487 track->par->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
1488 if (track->par->codec_tag == mov_pix_fmt_tags[i].tag)
1493 pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_mov,
1494 track->par->bits_per_coded_sample);
1495 if (tag == MKTAG('r','a','w',' ') &&
1496 track->par->format != pix_fmt &&
1497 track->par->format != AV_PIX_FMT_GRAY8 &&
1498 track->par->format != AV_PIX_FMT_NONE)
1499 av_log(s, AV_LOG_ERROR, "%s rawvideo cannot be written to mov, output file will be unreadable\n",
1500 av_get_pix_fmt_name(track->par->format));
1504 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1506 int tag = track->par->codec_tag;
1508 if (!tag || (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
1509 (track->par->codec_id == AV_CODEC_ID_DVVIDEO ||
1510 track->par->codec_id == AV_CODEC_ID_RAWVIDEO ||
1511 track->par->codec_id == AV_CODEC_ID_H263 ||
1512 track->par->codec_id == AV_CODEC_ID_H264 ||
1513 track->par->codec_id == AV_CODEC_ID_DNXHD ||
1514 track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
1515 av_get_bits_per_sample(track->par->codec_id)))) { // pcm audio
1516 if (track->par->codec_id == AV_CODEC_ID_DVVIDEO)
1517 tag = mov_get_dv_codec_tag(s, track);
1518 else if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO)
1519 tag = mov_get_rawvideo_codec_tag(s, track);
1520 else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO)
1521 tag = mov_get_mpeg2_xdcam_codec_tag(s, track);
1522 else if (track->par->codec_id == AV_CODEC_ID_H264)
1523 tag = mov_get_h264_codec_tag(s, track);
1524 else if (track->par->codec_id == AV_CODEC_ID_DNXHD)
1525 tag = mov_get_dnxhd_codec_tag(s, track);
1526 else if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
1527 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->par->codec_id);
1528 if (!tag) { // if no mac fcc found, try with Microsoft tags
1529 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->par->codec_id);
1531 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
1532 "the file may be unplayable!\n");
1534 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
1535 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->par->codec_id);
1536 if (!tag) { // if no mac fcc found, try with Microsoft tags
1537 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->par->codec_id);
1539 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
1540 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
1541 "the file may be unplayable!\n");
1544 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
1545 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->par->codec_id);
1551 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
1555 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
1556 tag = track->par->codec_tag;
1557 else if (track->mode == MODE_ISM)
1558 tag = track->par->codec_tag;
1559 else if (track->mode == MODE_IPOD) {
1560 if (!av_match_ext(s->url, "m4a") &&
1561 !av_match_ext(s->url, "m4v") &&
1562 !av_match_ext(s->url, "m4b"))
1563 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
1564 "Quicktime/Ipod might not play the file\n");
1565 tag = track->par->codec_tag;
1566 } else if (track->mode & MODE_3GP)
1567 tag = track->par->codec_tag;
1568 else if (track->mode == MODE_F4V)
1569 tag = track->par->codec_tag;
1571 tag = mov_get_codec_tag(s, track);
1576 /** Write uuid atom.
1577 * Needed to make file play in iPods running newest firmware
1578 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1580 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1583 ffio_wfourcc(pb, "uuid");
1584 avio_wb32(pb, 0x6b6840f2);
1585 avio_wb32(pb, 0x5f244fc5);
1586 avio_wb32(pb, 0xba39a51b);
1587 avio_wb32(pb, 0xcf0323f3);
1592 static const uint16_t fiel_data[] = {
1593 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1596 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track, int field_order)
1598 unsigned mov_field_order = 0;
1599 if (field_order < FF_ARRAY_ELEMS(fiel_data))
1600 mov_field_order = fiel_data[field_order];
1604 ffio_wfourcc(pb, "fiel");
1605 avio_wb16(pb, mov_field_order);
1609 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1611 int64_t pos = avio_tell(pb);
1612 avio_wb32(pb, 0); /* size */
1613 avio_wl32(pb, track->tag); // store it byteswapped
1614 avio_wb32(pb, 0); /* Reserved */
1615 avio_wb16(pb, 0); /* Reserved */
1616 avio_wb16(pb, 1); /* Data-reference index */
1618 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
1619 mov_write_esds_tag(pb, track);
1620 else if (track->par->extradata_size)
1621 avio_write(pb, track->par->extradata, track->par->extradata_size);
1623 return update_size(pb, pos);
1626 static int mov_write_st3d_tag(AVIOContext *pb, AVStereo3D *stereo_3d)
1630 if (stereo_3d->flags != 0) {
1631 av_log(pb, AV_LOG_WARNING, "Unsupported stereo_3d flags %x. st3d not written.\n", stereo_3d->flags);
1635 switch (stereo_3d->type) {
1636 case AV_STEREO3D_2D:
1639 case AV_STEREO3D_TOPBOTTOM:
1642 case AV_STEREO3D_SIDEBYSIDE:
1646 av_log(pb, AV_LOG_WARNING, "Unsupported stereo_3d type %s. st3d not written.\n", av_stereo3d_type_name(stereo_3d->type));
1649 avio_wb32(pb, 13); /* size */
1650 ffio_wfourcc(pb, "st3d");
1651 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1652 avio_w8(pb, stereo_mode);
1656 static int mov_write_sv3d_tag(AVFormatContext *s, AVIOContext *pb, AVSphericalMapping *spherical_mapping)
1658 int64_t sv3d_pos, svhd_pos, proj_pos;
1659 const char* metadata_source = s->flags & AVFMT_FLAG_BITEXACT ? "Lavf" : LIBAVFORMAT_IDENT;
1661 if (spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR &&
1662 spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR_TILE &&
1663 spherical_mapping->projection != AV_SPHERICAL_CUBEMAP) {
1664 av_log(pb, AV_LOG_WARNING, "Unsupported projection %d. sv3d not written.\n", spherical_mapping->projection);
1668 sv3d_pos = avio_tell(pb);
1669 avio_wb32(pb, 0); /* size */
1670 ffio_wfourcc(pb, "sv3d");
1672 svhd_pos = avio_tell(pb);
1673 avio_wb32(pb, 0); /* size */
1674 ffio_wfourcc(pb, "svhd");
1675 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1676 avio_put_str(pb, metadata_source);
1677 update_size(pb, svhd_pos);
1679 proj_pos = avio_tell(pb);
1680 avio_wb32(pb, 0); /* size */
1681 ffio_wfourcc(pb, "proj");
1683 avio_wb32(pb, 24); /* size */
1684 ffio_wfourcc(pb, "prhd");
1685 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1686 avio_wb32(pb, spherical_mapping->yaw);
1687 avio_wb32(pb, spherical_mapping->pitch);
1688 avio_wb32(pb, spherical_mapping->roll);
1690 switch (spherical_mapping->projection) {
1691 case AV_SPHERICAL_EQUIRECTANGULAR:
1692 case AV_SPHERICAL_EQUIRECTANGULAR_TILE:
1693 avio_wb32(pb, 28); /* size */
1694 ffio_wfourcc(pb, "equi");
1695 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1696 avio_wb32(pb, spherical_mapping->bound_top);
1697 avio_wb32(pb, spherical_mapping->bound_bottom);
1698 avio_wb32(pb, spherical_mapping->bound_left);
1699 avio_wb32(pb, spherical_mapping->bound_right);
1701 case AV_SPHERICAL_CUBEMAP:
1702 avio_wb32(pb, 20); /* size */
1703 ffio_wfourcc(pb, "cbmp");
1704 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1705 avio_wb32(pb, 0); /* layout */
1706 avio_wb32(pb, spherical_mapping->padding); /* padding */
1709 update_size(pb, proj_pos);
1711 return update_size(pb, sv3d_pos);
1714 static int mov_write_clap_tag(AVIOContext *pb, MOVTrack *track)
1717 ffio_wfourcc(pb, "clap");
1718 avio_wb32(pb, track->par->width); /* apertureWidth_N */
1719 avio_wb32(pb, 1); /* apertureWidth_D (= 1) */
1720 avio_wb32(pb, track->height); /* apertureHeight_N */
1721 avio_wb32(pb, 1); /* apertureHeight_D (= 1) */
1722 avio_wb32(pb, 0); /* horizOff_N (= 0) */
1723 avio_wb32(pb, 1); /* horizOff_D (= 1) */
1724 avio_wb32(pb, 0); /* vertOff_N (= 0) */
1725 avio_wb32(pb, 1); /* vertOff_D (= 1) */
1729 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1732 av_reduce(&sar.num, &sar.den, track->par->sample_aspect_ratio.num,
1733 track->par->sample_aspect_ratio.den, INT_MAX);
1736 ffio_wfourcc(pb, "pasp");
1737 avio_wb32(pb, sar.num);
1738 avio_wb32(pb, sar.den);
1742 static int mov_write_gama_tag(AVIOContext *pb, MOVTrack *track, double gamma)
1747 gamma = avpriv_get_gamma_from_trc(track->par->color_trc);
1749 av_log(pb, AV_LOG_DEBUG, "gamma value %g\n", gamma);
1752 gama = (uint32_t)lrint((double)(1<<16) * gamma);
1753 av_log(pb, AV_LOG_DEBUG, "writing gama value %"PRId32"\n", gama);
1755 av_assert0(track->mode == MODE_MOV);
1757 ffio_wfourcc(pb, "gama");
1758 avio_wb32(pb, gama);
1762 av_log(pb, AV_LOG_WARNING, "gamma value unknown, unable to write gama atom\n");
1767 static int mov_write_colr_tag(AVIOContext *pb, MOVTrack *track)
1769 // Ref (MOV): https://developer.apple.com/library/mac/technotes/tn2162/_index.html#//apple_ref/doc/uid/DTS40013070-CH1-TNTAG9
1770 // Ref (MP4): ISO/IEC 14496-12:2012
1772 if (track->par->color_primaries == AVCOL_PRI_UNSPECIFIED &&
1773 track->par->color_trc == AVCOL_TRC_UNSPECIFIED &&
1774 track->par->color_space == AVCOL_SPC_UNSPECIFIED) {
1775 if ((track->par->width >= 1920 && track->par->height >= 1080)
1776 || (track->par->width == 1280 && track->par->height == 720)) {
1777 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming bt709\n");
1778 track->par->color_primaries = AVCOL_PRI_BT709;
1779 } else if (track->par->width == 720 && track->height == 576) {
1780 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming bt470bg\n");
1781 track->par->color_primaries = AVCOL_PRI_BT470BG;
1782 } else if (track->par->width == 720 &&
1783 (track->height == 486 || track->height == 480)) {
1784 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming smpte170\n");
1785 track->par->color_primaries = AVCOL_PRI_SMPTE170M;
1787 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, unable to assume anything\n");
1789 switch (track->par->color_primaries) {
1790 case AVCOL_PRI_BT709:
1791 track->par->color_trc = AVCOL_TRC_BT709;
1792 track->par->color_space = AVCOL_SPC_BT709;
1794 case AVCOL_PRI_SMPTE170M:
1795 case AVCOL_PRI_BT470BG:
1796 track->par->color_trc = AVCOL_TRC_BT709;
1797 track->par->color_space = AVCOL_SPC_SMPTE170M;
1802 /* We should only ever be called by MOV or MP4. */
1803 av_assert0(track->mode == MODE_MOV || track->mode == MODE_MP4);
1805 avio_wb32(pb, 18 + (track->mode == MODE_MP4));
1806 ffio_wfourcc(pb, "colr");
1807 if (track->mode == MODE_MP4)
1808 ffio_wfourcc(pb, "nclx");
1810 ffio_wfourcc(pb, "nclc");
1811 switch (track->par->color_primaries) {
1812 case AVCOL_PRI_BT709: avio_wb16(pb, 1); break;
1813 case AVCOL_PRI_BT470BG: avio_wb16(pb, 5); break;
1814 case AVCOL_PRI_SMPTE170M:
1815 case AVCOL_PRI_SMPTE240M: avio_wb16(pb, 6); break;
1816 case AVCOL_PRI_BT2020: avio_wb16(pb, 9); break;
1817 case AVCOL_PRI_SMPTE431: avio_wb16(pb, 11); break;
1818 case AVCOL_PRI_SMPTE432: avio_wb16(pb, 12); break;
1819 default: avio_wb16(pb, 2);
1821 switch (track->par->color_trc) {
1822 case AVCOL_TRC_BT709: avio_wb16(pb, 1); break;
1823 case AVCOL_TRC_SMPTE170M: avio_wb16(pb, 1); break; // remapped
1824 case AVCOL_TRC_SMPTE240M: avio_wb16(pb, 7); break;
1825 case AVCOL_TRC_SMPTEST2084: avio_wb16(pb, 16); break;
1826 case AVCOL_TRC_SMPTE428: avio_wb16(pb, 17); break;
1827 case AVCOL_TRC_ARIB_STD_B67: avio_wb16(pb, 18); break;
1828 default: avio_wb16(pb, 2);
1830 switch (track->par->color_space) {
1831 case AVCOL_SPC_BT709: avio_wb16(pb, 1); break;
1832 case AVCOL_SPC_BT470BG:
1833 case AVCOL_SPC_SMPTE170M: avio_wb16(pb, 6); break;
1834 case AVCOL_SPC_SMPTE240M: avio_wb16(pb, 7); break;
1835 case AVCOL_SPC_BT2020_NCL: avio_wb16(pb, 9); break;
1836 default: avio_wb16(pb, 2);
1839 if (track->mode == MODE_MP4) {
1840 int full_range = track->par->color_range == AVCOL_RANGE_JPEG;
1841 avio_w8(pb, full_range << 7);
1848 static void find_compressor(char * compressor_name, int len, MOVTrack *track)
1850 AVDictionaryEntry *encoder;
1851 int xdcam_res = (track->par->width == 1280 && track->par->height == 720)
1852 || (track->par->width == 1440 && track->par->height == 1080)
1853 || (track->par->width == 1920 && track->par->height == 1080);
1855 if (track->mode == MODE_MOV &&
1856 (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0))) {
1857 av_strlcpy(compressor_name, encoder->value, 32);
1858 } else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) {
1859 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1860 AVStream *st = track->st;
1861 int rate = defined_frame_rate(NULL, st);
1862 av_strlcatf(compressor_name, len, "XDCAM");
1863 if (track->par->format == AV_PIX_FMT_YUV422P) {
1864 av_strlcatf(compressor_name, len, " HD422");
1865 } else if(track->par->width == 1440) {
1866 av_strlcatf(compressor_name, len, " HD");
1868 av_strlcatf(compressor_name, len, " EX");
1870 av_strlcatf(compressor_name, len, " %d%c", track->par->height, interlaced ? 'i' : 'p');
1872 av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1));
1876 static int mov_write_video_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1878 int64_t pos = avio_tell(pb);
1879 char compressor_name[32] = { 0 };
1882 int uncompressed_ycbcr = ((track->par->codec_id == AV_CODEC_ID_RAWVIDEO && track->par->format == AV_PIX_FMT_UYVY422)
1883 || (track->par->codec_id == AV_CODEC_ID_RAWVIDEO && track->par->format == AV_PIX_FMT_YUYV422)
1884 || track->par->codec_id == AV_CODEC_ID_V308
1885 || track->par->codec_id == AV_CODEC_ID_V408
1886 || track->par->codec_id == AV_CODEC_ID_V410
1887 || track->par->codec_id == AV_CODEC_ID_V210);
1889 avio_wb32(pb, 0); /* size */
1890 if (mov->encryption_scheme != MOV_ENC_NONE) {
1891 ffio_wfourcc(pb, "encv");
1893 avio_wl32(pb, track->tag); // store it byteswapped
1895 avio_wb32(pb, 0); /* Reserved */
1896 avio_wb16(pb, 0); /* Reserved */
1897 avio_wb16(pb, 1); /* Data-reference index */
1899 if (uncompressed_ycbcr) {
1900 avio_wb16(pb, 2); /* Codec stream version */
1902 avio_wb16(pb, 0); /* Codec stream version */
1904 avio_wb16(pb, 0); /* Codec stream revision (=0) */
1905 if (track->mode == MODE_MOV) {
1906 ffio_wfourcc(pb, "FFMP"); /* Vendor */
1907 if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO || uncompressed_ycbcr) {
1908 avio_wb32(pb, 0); /* Temporal Quality */
1909 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1911 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1912 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1915 avio_wb32(pb, 0); /* Reserved */
1916 avio_wb32(pb, 0); /* Reserved */
1917 avio_wb32(pb, 0); /* Reserved */
1919 avio_wb16(pb, track->par->width); /* Video width */
1920 avio_wb16(pb, track->height); /* Video height */
1921 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1922 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1923 avio_wb32(pb, 0); /* Data size (= 0) */
1924 avio_wb16(pb, 1); /* Frame count (= 1) */
1926 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1927 find_compressor(compressor_name, 32, track);
1928 avio_w8(pb, strlen(compressor_name));
1929 avio_write(pb, compressor_name, 31);
1931 if (track->mode == MODE_MOV &&
1932 (track->par->codec_id == AV_CODEC_ID_V410 || track->par->codec_id == AV_CODEC_ID_V210))
1933 avio_wb16(pb, 0x18);
1934 else if (track->mode == MODE_MOV && track->par->bits_per_coded_sample)
1935 avio_wb16(pb, track->par->bits_per_coded_sample |
1936 (track->par->format == AV_PIX_FMT_GRAY8 ? 0x20 : 0));
1938 avio_wb16(pb, 0x18); /* Reserved */
1940 if (track->mode == MODE_MOV && track->par->format == AV_PIX_FMT_PAL8) {
1941 int pal_size = 1 << track->par->bits_per_coded_sample;
1943 avio_wb16(pb, 0); /* Color table ID */
1944 avio_wb32(pb, 0); /* Color table seed */
1945 avio_wb16(pb, 0x8000); /* Color table flags */
1946 avio_wb16(pb, pal_size - 1); /* Color table size (zero-relative) */
1947 for (i = 0; i < pal_size; i++) {
1948 uint32_t rgb = track->palette[i];
1949 uint16_t r = (rgb >> 16) & 0xff;
1950 uint16_t g = (rgb >> 8) & 0xff;
1951 uint16_t b = rgb & 0xff;
1953 avio_wb16(pb, (r << 8) | r);
1954 avio_wb16(pb, (g << 8) | g);
1955 avio_wb16(pb, (b << 8) | b);
1958 avio_wb16(pb, 0xffff); /* Reserved */
1960 if (track->tag == MKTAG('m','p','4','v'))
1961 mov_write_esds_tag(pb, track);
1962 else if (track->par->codec_id == AV_CODEC_ID_H263)
1963 mov_write_d263_tag(pb);
1964 else if (track->par->codec_id == AV_CODEC_ID_AVUI ||
1965 track->par->codec_id == AV_CODEC_ID_SVQ3) {
1966 mov_write_extradata_tag(pb, track);
1968 } else if (track->par->codec_id == AV_CODEC_ID_DNXHD) {
1969 mov_write_avid_tag(pb, track);
1971 } else if (track->par->codec_id == AV_CODEC_ID_HEVC)
1972 mov_write_hvcc_tag(pb, track);
1973 else if (track->par->codec_id == AV_CODEC_ID_H264 && !TAG_IS_AVCI(track->tag)) {
1974 mov_write_avcc_tag(pb, track);
1975 if (track->mode == MODE_IPOD)
1976 mov_write_uuid_tag_ipod(pb);
1977 } else if (track->par->codec_id == AV_CODEC_ID_VP9) {
1978 mov_write_vpcc_tag(mov->fc, pb, track);
1979 } else if (track->par->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
1980 mov_write_dvc1_tag(pb, track);
1981 else if (track->par->codec_id == AV_CODEC_ID_VP6F ||
1982 track->par->codec_id == AV_CODEC_ID_VP6A) {
1983 /* Don't write any potential extradata here - the cropping
1984 * is signalled via the normal width/height fields. */
1985 } else if (track->par->codec_id == AV_CODEC_ID_R10K) {
1986 if (track->par->codec_tag == MKTAG('R','1','0','k'))
1987 mov_write_dpxe_tag(pb, track);
1988 } else if (track->vos_len > 0)
1989 mov_write_glbl_tag(pb, track);
1991 if (track->par->codec_id != AV_CODEC_ID_H264 &&
1992 track->par->codec_id != AV_CODEC_ID_MPEG4 &&
1993 track->par->codec_id != AV_CODEC_ID_DNXHD) {
1994 int field_order = track->par->field_order;
1996 #if FF_API_LAVF_AVCTX
1997 FF_DISABLE_DEPRECATION_WARNINGS
1998 if (field_order != track->st->codec->field_order && track->st->codec->field_order != AV_FIELD_UNKNOWN)
1999 field_order = track->st->codec->field_order;
2000 FF_ENABLE_DEPRECATION_WARNINGS
2003 if (field_order != AV_FIELD_UNKNOWN)
2004 mov_write_fiel_tag(pb, track, field_order);
2007 if (mov->flags & FF_MOV_FLAG_WRITE_GAMA) {
2008 if (track->mode == MODE_MOV)
2009 mov_write_gama_tag(pb, track, mov->gamma);
2011 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'gama' atom. Format is not MOV.\n");
2013 if (mov->flags & FF_MOV_FLAG_WRITE_COLR) {
2014 if (track->mode == MODE_MOV || track->mode == MODE_MP4)
2015 mov_write_colr_tag(pb, track);
2017 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'colr' atom. Format is not MOV or MP4.\n");
2020 if (track->mode == MODE_MP4 && mov->fc->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
2021 AVStereo3D* stereo_3d = (AVStereo3D*) av_stream_get_side_data(track->st, AV_PKT_DATA_STEREO3D, NULL);
2022 AVSphericalMapping* spherical_mapping = (AVSphericalMapping*)av_stream_get_side_data(track->st, AV_PKT_DATA_SPHERICAL, NULL);
2025 mov_write_st3d_tag(pb, stereo_3d);
2026 if (spherical_mapping)
2027 mov_write_sv3d_tag(mov->fc, pb, spherical_mapping);
2030 if (track->par->sample_aspect_ratio.den && track->par->sample_aspect_ratio.num) {
2031 mov_write_pasp_tag(pb, track);
2034 if (uncompressed_ycbcr){
2035 mov_write_clap_tag(pb, track);
2038 if (mov->encryption_scheme != MOV_ENC_NONE) {
2039 ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid);
2042 /* extra padding for avid stsd */
2043 /* https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/QTFFChap2/qtff2.html#//apple_ref/doc/uid/TP40000939-CH204-61112 */
2047 return update_size(pb, pos);
2050 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
2052 int64_t pos = avio_tell(pb);
2053 avio_wb32(pb, 0); /* size */
2054 ffio_wfourcc(pb, "rtp ");
2055 avio_wb32(pb, 0); /* Reserved */
2056 avio_wb16(pb, 0); /* Reserved */
2057 avio_wb16(pb, 1); /* Data-reference index */
2059 avio_wb16(pb, 1); /* Hint track version */
2060 avio_wb16(pb, 1); /* Highest compatible version */
2061 avio_wb32(pb, track->max_packet_size); /* Max packet size */
2063 avio_wb32(pb, 12); /* size */
2064 ffio_wfourcc(pb, "tims");
2065 avio_wb32(pb, track->timescale);
2067 return update_size(pb, pos);
2070 static int mov_write_source_reference_tag(AVIOContext *pb, MOVTrack *track, const char *reel_name)
2072 uint64_t str_size =strlen(reel_name);
2073 int64_t pos = avio_tell(pb);
2075 if (str_size >= UINT16_MAX){
2076 av_log(NULL, AV_LOG_ERROR, "reel_name length %"PRIu64" is too large\n", str_size);
2078 return AVERROR(EINVAL);
2081 avio_wb32(pb, 0); /* size */
2082 ffio_wfourcc(pb, "name"); /* Data format */
2083 avio_wb16(pb, str_size); /* string size */
2084 avio_wb16(pb, track->language); /* langcode */
2085 avio_write(pb, reel_name, str_size); /* reel name */
2086 return update_size(pb,pos);
2089 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
2091 int64_t pos = avio_tell(pb);
2095 AVDictionaryEntry *t = NULL;
2097 if (!track->st->avg_frame_rate.num || !track->st->avg_frame_rate.den) {
2098 #if FF_API_LAVF_AVCTX
2099 FF_DISABLE_DEPRECATION_WARNINGS
2100 frame_duration = av_rescale(track->timescale, track->st->codec->time_base.num, track->st->codec->time_base.den);
2101 nb_frames = ROUNDED_DIV(track->st->codec->time_base.den, track->st->codec->time_base.num);
2102 FF_ENABLE_DEPRECATION_WARNINGS
2104 av_log(NULL, AV_LOG_ERROR, "avg_frame_rate not set for tmcd track.\n");
2105 return AVERROR(EINVAL);
2108 frame_duration = av_rescale(track->timescale, track->st->avg_frame_rate.num, track->st->avg_frame_rate.den);
2109 nb_frames = ROUNDED_DIV(track->st->avg_frame_rate.den, track->st->avg_frame_rate.num);
2112 if (nb_frames > 255) {
2113 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
2114 return AVERROR(EINVAL);
2117 avio_wb32(pb, 0); /* size */
2118 ffio_wfourcc(pb, "tmcd"); /* Data format */
2119 avio_wb32(pb, 0); /* Reserved */
2120 avio_wb32(pb, 1); /* Data reference index */
2121 avio_wb32(pb, 0); /* Flags */
2122 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
2123 avio_wb32(pb, track->timescale); /* Timescale */
2124 avio_wb32(pb, frame_duration); /* Frame duration */
2125 avio_w8(pb, nb_frames); /* Number of frames */
2126 avio_w8(pb, 0); /* Reserved */
2128 t = av_dict_get(track->st->metadata, "reel_name", NULL, 0);
2129 if (t && utf8len(t->value) && track->mode != MODE_MP4)
2130 mov_write_source_reference_tag(pb, track, t->value);
2132 avio_wb16(pb, 0); /* zero size */
2135 avio_wb32(pb, 0); /* size */
2136 ffio_wfourcc(pb, "tmcd"); /* Data format */
2137 avio_wb32(pb, 0); /* Reserved */
2138 avio_wb32(pb, 1); /* Data reference index */
2139 if (track->par->extradata_size)
2140 avio_write(pb, track->par->extradata, track->par->extradata_size);
2142 return update_size(pb, pos);
2145 static int mov_write_gpmd_tag(AVIOContext *pb, const MOVTrack *track)
2147 int64_t pos = avio_tell(pb);
2148 avio_wb32(pb, 0); /* size */
2149 ffio_wfourcc(pb, "gpmd");
2150 avio_wb32(pb, 0); /* Reserved */
2151 avio_wb16(pb, 0); /* Reserved */
2152 avio_wb16(pb, 1); /* Data-reference index */
2153 avio_wb32(pb, 0); /* Reserved */
2154 return update_size(pb, pos);
2157 static int mov_write_stsd_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2159 int64_t pos = avio_tell(pb);
2160 avio_wb32(pb, 0); /* size */
2161 ffio_wfourcc(pb, "stsd");
2162 avio_wb32(pb, 0); /* version & flags */
2163 avio_wb32(pb, 1); /* entry count */
2164 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2165 mov_write_video_tag(pb, mov, track);
2166 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2167 mov_write_audio_tag(s, pb, mov, track);
2168 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
2169 mov_write_subtitle_tag(pb, track);
2170 else if (track->par->codec_tag == MKTAG('r','t','p',' '))
2171 mov_write_rtp_tag(pb, track);
2172 else if (track->par->codec_tag == MKTAG('t','m','c','d'))
2173 mov_write_tmcd_tag(pb, track);
2174 else if (track->par->codec_tag == MKTAG('g','p','m','d'))
2175 mov_write_gpmd_tag(pb, track);
2176 return update_size(pb, pos);
2179 static int mov_write_ctts_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
2181 MOVMuxContext *mov = s->priv_data;
2182 MOVStts *ctts_entries;
2183 uint32_t entries = 0;
2187 ctts_entries = av_malloc_array((track->entry + 1), sizeof(*ctts_entries)); /* worst case */
2189 return AVERROR(ENOMEM);
2190 ctts_entries[0].count = 1;
2191 ctts_entries[0].duration = track->cluster[0].cts;
2192 for (i = 1; i < track->entry; i++) {
2193 if (track->cluster[i].cts == ctts_entries[entries].duration) {
2194 ctts_entries[entries].count++; /* compress */
2197 ctts_entries[entries].duration = track->cluster[i].cts;
2198 ctts_entries[entries].count = 1;
2201 entries++; /* last one */
2202 atom_size = 16 + (entries * 8);
2203 avio_wb32(pb, atom_size); /* size */
2204 ffio_wfourcc(pb, "ctts");
2205 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
2206 avio_w8(pb, 1); /* version */
2208 avio_w8(pb, 0); /* version */
2209 avio_wb24(pb, 0); /* flags */
2210 avio_wb32(pb, entries); /* entry count */
2211 for (i = 0; i < entries; i++) {
2212 avio_wb32(pb, ctts_entries[i].count);
2213 avio_wb32(pb, ctts_entries[i].duration);
2215 av_free(ctts_entries);
2219 /* Time to sample atom */
2220 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
2222 MOVStts *stts_entries = NULL;
2223 uint32_t entries = -1;
2227 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
2228 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
2230 return AVERROR(ENOMEM);
2231 stts_entries[0].count = track->sample_count;
2232 stts_entries[0].duration = 1;
2236 stts_entries = av_malloc_array(track->entry, sizeof(*stts_entries)); /* worst case */
2238 return AVERROR(ENOMEM);
2240 for (i = 0; i < track->entry; i++) {
2241 int duration = get_cluster_duration(track, i);
2242 if (i && duration == stts_entries[entries].duration) {
2243 stts_entries[entries].count++; /* compress */
2246 stts_entries[entries].duration = duration;
2247 stts_entries[entries].count = 1;
2250 entries++; /* last one */
2252 atom_size = 16 + (entries * 8);
2253 avio_wb32(pb, atom_size); /* size */
2254 ffio_wfourcc(pb, "stts");
2255 avio_wb32(pb, 0); /* version & flags */
2256 avio_wb32(pb, entries); /* entry count */
2257 for (i = 0; i < entries; i++) {
2258 avio_wb32(pb, stts_entries[i].count);
2259 avio_wb32(pb, stts_entries[i].duration);
2261 av_free(stts_entries);
2265 static int mov_write_dref_tag(AVIOContext *pb)
2267 avio_wb32(pb, 28); /* size */
2268 ffio_wfourcc(pb, "dref");
2269 avio_wb32(pb, 0); /* version & flags */
2270 avio_wb32(pb, 1); /* entry count */
2272 avio_wb32(pb, 0xc); /* size */
2273 //FIXME add the alis and rsrc atom
2274 ffio_wfourcc(pb, "url ");
2275 avio_wb32(pb, 1); /* version & flags */
2280 static int mov_preroll_write_stbl_atoms(AVIOContext *pb, MOVTrack *track)
2284 int16_t roll_distance;
2285 int group_description_index;
2288 struct sgpd_entry *sgpd_entries = NULL;
2293 const int OPUS_SEEK_PREROLL_MS = 80;
2294 int roll_samples = av_rescale_q(OPUS_SEEK_PREROLL_MS,
2295 (AVRational){1, 1000},
2296 (AVRational){1, 48000});
2301 sgpd_entries = av_malloc_array(track->entry, sizeof(*sgpd_entries));
2303 return AVERROR(ENOMEM);
2305 av_assert0(track->par->codec_id == AV_CODEC_ID_OPUS || track->par->codec_id == AV_CODEC_ID_AAC);
2307 if (track->par->codec_id == AV_CODEC_ID_OPUS) {
2308 for (i = 0; i < track->entry; i++) {
2309 int roll_samples_remaining = roll_samples;
2311 for (j = i - 1; j >= 0; j--) {
2312 roll_samples_remaining -= get_cluster_duration(track, j);
2314 if (roll_samples_remaining <= 0)
2317 /* We don't have enough preceeding samples to compute a valid
2318 roll_distance here, so this sample can't be independently
2320 if (roll_samples_remaining > 0)
2322 /* Verify distance is a minimum of 2 (60ms) packets and a maximum of
2323 32 (2.5ms) packets. */
2324 av_assert0(distance == 0 || (distance >= 2 && distance <= 32));
2325 if (i && distance == sgpd_entries[entries].roll_distance) {
2326 sgpd_entries[entries].count++;
2329 sgpd_entries[entries].count = 1;
2330 sgpd_entries[entries].roll_distance = distance;
2331 sgpd_entries[entries].group_description_index = distance ? ++group : 0;
2336 sgpd_entries[entries].count = track->sample_count;
2337 sgpd_entries[entries].roll_distance = 1;
2338 sgpd_entries[entries].group_description_index = ++group;
2343 av_free(sgpd_entries);
2347 /* Write sgpd tag */
2348 avio_wb32(pb, 24 + (group * 2)); /* size */
2349 ffio_wfourcc(pb, "sgpd");
2350 avio_wb32(pb, 1 << 24); /* fullbox */
2351 ffio_wfourcc(pb, "roll");
2352 avio_wb32(pb, 2); /* default_length */
2353 avio_wb32(pb, group); /* entry_count */
2354 for (i = 0; i < entries; i++) {
2355 if (sgpd_entries[i].group_description_index) {
2356 avio_wb16(pb, -sgpd_entries[i].roll_distance); /* roll_distance */
2360 /* Write sbgp tag */
2361 avio_wb32(pb, 20 + (entries * 8)); /* size */
2362 ffio_wfourcc(pb, "sbgp");
2363 avio_wb32(pb, 0); /* fullbox */
2364 ffio_wfourcc(pb, "roll");
2365 avio_wb32(pb, entries); /* entry_count */
2366 for (i = 0; i < entries; i++) {
2367 avio_wb32(pb, sgpd_entries[i].count); /* sample_count */
2368 avio_wb32(pb, sgpd_entries[i].group_description_index); /* group_description_index */
2371 av_free(sgpd_entries);
2375 static int mov_write_stbl_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2377 int64_t pos = avio_tell(pb);
2380 avio_wb32(pb, 0); /* size */
2381 ffio_wfourcc(pb, "stbl");
2382 mov_write_stsd_tag(s, pb, mov, track);
2383 mov_write_stts_tag(pb, track);
2384 if ((track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2385 track->par->codec_tag == MKTAG('r','t','p',' ')) &&
2386 track->has_keyframes && track->has_keyframes < track->entry)
2387 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
2388 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO && track->has_disposable)
2389 mov_write_sdtp_tag(pb, track);
2390 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
2391 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
2392 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO &&
2393 track->flags & MOV_TRACK_CTTS && track->entry) {
2395 if ((ret = mov_write_ctts_tag(s, pb, track)) < 0)
2398 mov_write_stsc_tag(pb, track);
2399 mov_write_stsz_tag(pb, track);
2400 mov_write_stco_tag(pb, track);
2401 if (track->cenc.aes_ctr) {
2402 ff_mov_cenc_write_stbl_atoms(&track->cenc, pb);
2404 if (track->par->codec_id == AV_CODEC_ID_OPUS || track->par->codec_id == AV_CODEC_ID_AAC) {
2405 mov_preroll_write_stbl_atoms(pb, track);
2407 return update_size(pb, pos);
2410 static int mov_write_dinf_tag(AVIOContext *pb)
2412 int64_t pos = avio_tell(pb);
2413 avio_wb32(pb, 0); /* size */
2414 ffio_wfourcc(pb, "dinf");
2415 mov_write_dref_tag(pb);
2416 return update_size(pb, pos);
2419 static int mov_write_nmhd_tag(AVIOContext *pb)
2422 ffio_wfourcc(pb, "nmhd");
2427 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
2429 int64_t pos = avio_tell(pb);
2430 const char *font = "Lucida Grande";
2431 avio_wb32(pb, 0); /* size */
2432 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
2433 avio_wb32(pb, 0); /* version & flags */
2434 avio_wb16(pb, 0); /* text font */
2435 avio_wb16(pb, 0); /* text face */
2436 avio_wb16(pb, 12); /* text size */
2437 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
2438 avio_wb16(pb, 0x0000); /* text color (red) */
2439 avio_wb16(pb, 0x0000); /* text color (green) */
2440 avio_wb16(pb, 0x0000); /* text color (blue) */
2441 avio_wb16(pb, 0xffff); /* background color (red) */
2442 avio_wb16(pb, 0xffff); /* background color (green) */
2443 avio_wb16(pb, 0xffff); /* background color (blue) */
2444 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
2445 avio_write(pb, font, strlen(font)); /* font name */
2446 return update_size(pb, pos);
2449 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
2451 int64_t pos = avio_tell(pb);
2452 avio_wb32(pb, 0); /* size */
2453 ffio_wfourcc(pb, "gmhd");
2454 avio_wb32(pb, 0x18); /* gmin size */
2455 ffio_wfourcc(pb, "gmin");/* generic media info */
2456 avio_wb32(pb, 0); /* version & flags */
2457 avio_wb16(pb, 0x40); /* graphics mode = */
2458 avio_wb16(pb, 0x8000); /* opColor (r?) */
2459 avio_wb16(pb, 0x8000); /* opColor (g?) */
2460 avio_wb16(pb, 0x8000); /* opColor (b?) */
2461 avio_wb16(pb, 0); /* balance */
2462 avio_wb16(pb, 0); /* reserved */
2465 * This special text atom is required for
2466 * Apple Quicktime chapters. The contents
2467 * don't appear to be documented, so the
2468 * bytes are copied verbatim.
2470 if (track->tag != MKTAG('c','6','0','8')) {
2471 avio_wb32(pb, 0x2C); /* size */
2472 ffio_wfourcc(pb, "text");
2473 avio_wb16(pb, 0x01);
2474 avio_wb32(pb, 0x00);
2475 avio_wb32(pb, 0x00);
2476 avio_wb32(pb, 0x00);
2477 avio_wb32(pb, 0x01);
2478 avio_wb32(pb, 0x00);
2479 avio_wb32(pb, 0x00);
2480 avio_wb32(pb, 0x00);
2481 avio_wb32(pb, 0x00004000);
2482 avio_wb16(pb, 0x0000);
2485 if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2486 int64_t tmcd_pos = avio_tell(pb);
2487 avio_wb32(pb, 0); /* size */
2488 ffio_wfourcc(pb, "tmcd");
2489 mov_write_tcmi_tag(pb, track);
2490 update_size(pb, tmcd_pos);
2491 } else if (track->par->codec_tag == MKTAG('g','p','m','d')) {
2492 int64_t gpmd_pos = avio_tell(pb);
2493 avio_wb32(pb, 0); /* size */
2494 ffio_wfourcc(pb, "gpmd");
2495 avio_wb32(pb, 0); /* version */
2496 update_size(pb, gpmd_pos);
2498 return update_size(pb, pos);
2501 static int mov_write_smhd_tag(AVIOContext *pb)
2503 avio_wb32(pb, 16); /* size */
2504 ffio_wfourcc(pb, "smhd");
2505 avio_wb32(pb, 0); /* version & flags */
2506 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
2507 avio_wb16(pb, 0); /* reserved */
2511 static int mov_write_vmhd_tag(AVIOContext *pb)
2513 avio_wb32(pb, 0x14); /* size (always 0x14) */
2514 ffio_wfourcc(pb, "vmhd");
2515 avio_wb32(pb, 0x01); /* version & flags */
2516 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
2520 static int is_clcp_track(MOVTrack *track)
2522 return track->tag == MKTAG('c','7','0','8') ||
2523 track->tag == MKTAG('c','6','0','8');
2526 static int mov_write_hdlr_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
2528 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
2529 int64_t pos = avio_tell(pb);
2533 descr = "DataHandler";
2536 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
2537 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
2539 descr = "VideoHandler";
2540 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
2542 descr = "SoundHandler";
2543 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2544 if (is_clcp_track(track)) {
2546 descr = "ClosedCaptionHandler";
2548 if (track->tag == MKTAG('t','x','3','g')) {
2550 } else if (track->tag == MKTAG('m','p','4','s')) {
2555 descr = "SubtitleHandler";
2557 } else if (track->par->codec_tag == MKTAG('r','t','p',' ')) {
2559 descr = "HintHandler";
2560 } else if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2562 descr = "TimeCodeHandler";
2563 } else if (track->par->codec_tag == MKTAG('g','p','m','d')) {
2565 descr = "GoPro MET"; // GoPro Metadata
2567 av_log(s, AV_LOG_WARNING,
2568 "Unknown hldr_type for %s, writing dummy values\n",
2569 av_fourcc2str(track->par->codec_tag));
2572 // hdlr.name is used by some players to identify the content title
2573 // of the track. So if an alternate handler description is
2574 // specified, use it.
2575 AVDictionaryEntry *t;
2576 t = av_dict_get(track->st->metadata, "handler", NULL, 0);
2577 if (t && utf8len(t->value))
2582 avio_wb32(pb, 0); /* size */
2583 ffio_wfourcc(pb, "hdlr");
2584 avio_wb32(pb, 0); /* Version & flags */
2585 avio_write(pb, hdlr, 4); /* handler */
2586 ffio_wfourcc(pb, hdlr_type); /* handler type */
2587 avio_wb32(pb, 0); /* reserved */
2588 avio_wb32(pb, 0); /* reserved */
2589 avio_wb32(pb, 0); /* reserved */
2590 if (!track || track->mode == MODE_MOV)
2591 avio_w8(pb, strlen(descr)); /* pascal string */
2592 avio_write(pb, descr, strlen(descr)); /* handler description */
2593 if (track && track->mode != MODE_MOV)
2594 avio_w8(pb, 0); /* c string */
2595 return update_size(pb, pos);
2598 static int mov_write_hmhd_tag(AVIOContext *pb)
2600 /* This atom must be present, but leaving the values at zero
2601 * seems harmless. */
2602 avio_wb32(pb, 28); /* size */
2603 ffio_wfourcc(pb, "hmhd");
2604 avio_wb32(pb, 0); /* version, flags */
2605 avio_wb16(pb, 0); /* maxPDUsize */
2606 avio_wb16(pb, 0); /* avgPDUsize */
2607 avio_wb32(pb, 0); /* maxbitrate */
2608 avio_wb32(pb, 0); /* avgbitrate */
2609 avio_wb32(pb, 0); /* reserved */
2613 static int mov_write_minf_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2615 int64_t pos = avio_tell(pb);
2618 avio_wb32(pb, 0); /* size */
2619 ffio_wfourcc(pb, "minf");
2620 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2621 mov_write_vmhd_tag(pb);
2622 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2623 mov_write_smhd_tag(pb);
2624 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2625 if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
2626 mov_write_gmhd_tag(pb, track);
2628 mov_write_nmhd_tag(pb);
2630 } else if (track->tag == MKTAG('r','t','p',' ')) {
2631 mov_write_hmhd_tag(pb);
2632 } else if (track->tag == MKTAG('t','m','c','d')) {
2633 if (track->mode != MODE_MOV)
2634 mov_write_nmhd_tag(pb);
2636 mov_write_gmhd_tag(pb, track);
2637 } else if (track->tag == MKTAG('g','p','m','d')) {
2638 mov_write_gmhd_tag(pb, track);
2640 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
2641 mov_write_hdlr_tag(s, pb, NULL);
2642 mov_write_dinf_tag(pb);
2643 if ((ret = mov_write_stbl_tag(s, pb, mov, track)) < 0)
2645 return update_size(pb, pos);
2648 static int mov_write_mdhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2651 int version = track->track_duration < INT32_MAX ? 0 : 1;
2653 if (track->mode == MODE_ISM)
2656 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
2657 ffio_wfourcc(pb, "mdhd");
2658 avio_w8(pb, version);
2659 avio_wb24(pb, 0); /* flags */
2661 avio_wb64(pb, track->time);
2662 avio_wb64(pb, track->time);
2664 avio_wb32(pb, track->time); /* creation time */
2665 avio_wb32(pb, track->time); /* modification time */
2667 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
2668 if (!track->entry && mov->mode == MODE_ISM)
2669 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2670 else if (!track->entry)
2671 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2673 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
2674 avio_wb16(pb, track->language); /* language */
2675 avio_wb16(pb, 0); /* reserved (quality) */
2677 if (version != 0 && track->mode == MODE_MOV) {
2678 av_log(NULL, AV_LOG_ERROR,
2679 "FATAL error, file duration too long for timebase, this file will not be\n"
2680 "playable with quicktime. Choose a different timebase or a different\n"
2681 "container format\n");
2687 static int mov_write_mdia_tag(AVFormatContext *s, AVIOContext *pb,
2688 MOVMuxContext *mov, MOVTrack *track)
2690 int64_t pos = avio_tell(pb);
2693 avio_wb32(pb, 0); /* size */
2694 ffio_wfourcc(pb, "mdia");
2695 mov_write_mdhd_tag(pb, mov, track);
2696 mov_write_hdlr_tag(s, pb, track);
2697 if ((ret = mov_write_minf_tag(s, pb, mov, track)) < 0)
2699 return update_size(pb, pos);
2702 /* transformation matrix
2706 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
2707 int16_t d, int16_t tx, int16_t ty)
2709 avio_wb32(pb, a << 16); /* 16.16 format */
2710 avio_wb32(pb, b << 16); /* 16.16 format */
2711 avio_wb32(pb, 0); /* u in 2.30 format */
2712 avio_wb32(pb, c << 16); /* 16.16 format */
2713 avio_wb32(pb, d << 16); /* 16.16 format */
2714 avio_wb32(pb, 0); /* v in 2.30 format */
2715 avio_wb32(pb, tx << 16); /* 16.16 format */
2716 avio_wb32(pb, ty << 16); /* 16.16 format */
2717 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
2720 static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2721 MOVTrack *track, AVStream *st)
2723 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
2724 track->timescale, AV_ROUND_UP);
2725 int version = duration < INT32_MAX ? 0 : 1;
2726 int flags = MOV_TKHD_FLAG_IN_MOVIE;
2730 uint32_t *display_matrix = NULL;
2731 int display_matrix_size, i;
2734 if (mov->per_stream_grouping)
2737 group = st->codecpar->codec_type;
2739 display_matrix = (uint32_t*)av_stream_get_side_data(st, AV_PKT_DATA_DISPLAYMATRIX,
2740 &display_matrix_size);
2741 if (display_matrix && display_matrix_size < 9 * sizeof(*display_matrix))
2742 display_matrix = NULL;
2745 if (track->flags & MOV_TRACK_ENABLED)
2746 flags |= MOV_TKHD_FLAG_ENABLED;
2748 if (track->mode == MODE_ISM)
2751 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
2752 ffio_wfourcc(pb, "tkhd");
2753 avio_w8(pb, version);
2754 avio_wb24(pb, flags);
2756 avio_wb64(pb, track->time);
2757 avio_wb64(pb, track->time);
2759 avio_wb32(pb, track->time); /* creation time */
2760 avio_wb32(pb, track->time); /* modification time */
2762 avio_wb32(pb, track->track_id); /* track-id */
2763 avio_wb32(pb, 0); /* reserved */
2764 if (!track->entry && mov->mode == MODE_ISM)
2765 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2766 else if (!track->entry)
2767 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2769 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
2771 avio_wb32(pb, 0); /* reserved */
2772 avio_wb32(pb, 0); /* reserved */
2773 avio_wb16(pb, 0); /* layer */
2774 avio_wb16(pb, group); /* alternate group) */
2775 /* Volume, only for audio */
2776 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2777 avio_wb16(pb, 0x0100);
2780 avio_wb16(pb, 0); /* reserved */
2782 /* Matrix structure */
2783 #if FF_API_OLD_ROTATE_API
2784 if (st && st->metadata) {
2785 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
2786 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
2789 if (display_matrix) {
2790 for (i = 0; i < 9; i++)
2791 avio_wb32(pb, display_matrix[i]);
2792 #if FF_API_OLD_ROTATE_API
2793 } else if (rotation == 90) {
2794 write_matrix(pb, 0, 1, -1, 0, track->par->height, 0);
2795 } else if (rotation == 180) {
2796 write_matrix(pb, -1, 0, 0, -1, track->par->width, track->par->height);
2797 } else if (rotation == 270) {
2798 write_matrix(pb, 0, -1, 1, 0, 0, track->par->width);
2801 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2803 /* Track width and height, for visual only */
2804 if (st && (track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2805 track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
2806 int64_t track_width_1616;
2807 if (track->mode == MODE_MOV) {
2808 track_width_1616 = track->par->width * 0x10000ULL;
2810 track_width_1616 = av_rescale(st->sample_aspect_ratio.num,
2811 track->par->width * 0x10000LL,
2812 st->sample_aspect_ratio.den);
2813 if (!track_width_1616 ||
2814 track->height != track->par->height ||
2815 track_width_1616 > UINT32_MAX)
2816 track_width_1616 = track->par->width * 0x10000ULL;
2818 if (track_width_1616 > UINT32_MAX) {
2819 av_log(mov->fc, AV_LOG_WARNING, "track width is too large\n");
2820 track_width_1616 = 0;
2822 avio_wb32(pb, track_width_1616);
2823 if (track->height > 0xFFFF) {
2824 av_log(mov->fc, AV_LOG_WARNING, "track height is too large\n");
2827 avio_wb32(pb, track->height * 0x10000U);
2835 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
2837 int32_t width = av_rescale(track->par->sample_aspect_ratio.num, track->par->width,
2838 track->par->sample_aspect_ratio.den);
2840 int64_t pos = avio_tell(pb);
2842 avio_wb32(pb, 0); /* size */
2843 ffio_wfourcc(pb, "tapt");
2846 ffio_wfourcc(pb, "clef");
2848 avio_wb32(pb, width << 16);
2849 avio_wb32(pb, track->par->height << 16);
2852 ffio_wfourcc(pb, "prof");
2854 avio_wb32(pb, width << 16);
2855 avio_wb32(pb, track->par->height << 16);
2858 ffio_wfourcc(pb, "enof");
2860 avio_wb32(pb, track->par->width << 16);
2861 avio_wb32(pb, track->par->height << 16);
2863 return update_size(pb, pos);
2866 // This box seems important for the psp playback ... without it the movie seems to hang
2867 static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov,
2870 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
2871 track->timescale, AV_ROUND_UP);
2872 int version = duration < INT32_MAX ? 0 : 1;
2873 int entry_size, entry_count, size;
2874 int64_t delay, start_ct = track->start_cts;
2875 int64_t start_dts = track->start_dts;
2878 if (start_dts != track->cluster[0].dts || start_ct != track->cluster[0].cts) {
2880 av_log(mov->fc, AV_LOG_DEBUG,
2881 "EDTS using dts:%"PRId64" cts:%d instead of dts:%"PRId64" cts:%"PRId64" tid:%d\n",
2882 track->cluster[0].dts, track->cluster[0].cts,
2883 start_dts, start_ct, track->track_id);
2884 start_dts = track->cluster[0].dts;
2885 start_ct = track->cluster[0].cts;
2889 delay = av_rescale_rnd(start_dts + start_ct, MOV_TIMESCALE,
2890 track->timescale, AV_ROUND_DOWN);
2891 version |= delay < INT32_MAX ? 0 : 1;
2893 entry_size = (version == 1) ? 20 : 12;
2894 entry_count = 1 + (delay > 0);
2895 size = 24 + entry_count * entry_size;
2897 /* write the atom data */
2898 avio_wb32(pb, size);
2899 ffio_wfourcc(pb, "edts");
2900 avio_wb32(pb, size - 8);
2901 ffio_wfourcc(pb, "elst");
2902 avio_w8(pb, version);
2903 avio_wb24(pb, 0); /* flags */
2905 avio_wb32(pb, entry_count);
2906 if (delay > 0) { /* add an empty edit to delay presentation */
2907 /* In the positive delay case, the delay includes the cts
2908 * offset, and the second edit list entry below trims out
2909 * the same amount from the actual content. This makes sure
2910 * that the offset last sample is included in the edit
2911 * list duration as well. */
2913 avio_wb64(pb, delay);
2916 avio_wb32(pb, delay);
2919 avio_wb32(pb, 0x00010000);
2921 /* Avoid accidentally ending up with start_ct = -1 which has got a
2922 * special meaning. Normally start_ct should end up positive or zero
2923 * here, but use FFMIN in case dts is a small positive integer
2924 * rounded to 0 when represented in MOV_TIMESCALE units. */
2925 av_assert0(av_rescale_rnd(start_dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
2926 start_ct = -FFMIN(start_dts, 0);
2927 /* Note, this delay is calculated from the pts of the first sample,
2928 * ensuring that we don't reduce the duration for cases with
2933 /* For fragmented files, we don't know the full length yet. Setting
2934 * duration to 0 allows us to only specify the offset, including
2935 * the rest of the content (from all future fragments) without specifying
2936 * an explicit duration. */
2937 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2942 avio_wb64(pb, duration);
2943 avio_wb64(pb, start_ct);
2945 avio_wb32(pb, duration);
2946 avio_wb32(pb, start_ct);
2948 avio_wb32(pb, 0x00010000);
2952 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
2954 avio_wb32(pb, 20); // size
2955 ffio_wfourcc(pb, "tref");
2956 avio_wb32(pb, 12); // size (subatom)
2957 avio_wl32(pb, track->tref_tag);
2958 avio_wb32(pb, track->tref_id);
2962 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
2963 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
2965 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
2966 ffio_wfourcc(pb, "uuid");
2967 ffio_wfourcc(pb, "USMT");
2968 avio_wb32(pb, 0x21d24fce);
2969 avio_wb32(pb, 0xbb88695c);
2970 avio_wb32(pb, 0xfac9c740);
2971 avio_wb32(pb, 0x1c); // another size here!
2972 ffio_wfourcc(pb, "MTDT");
2973 avio_wb32(pb, 0x00010012);
2974 avio_wb32(pb, 0x0a);
2975 avio_wb32(pb, 0x55c40000);
2981 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
2983 AVFormatContext *ctx = track->rtp_ctx;
2984 char buf[1000] = "";
2987 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
2988 NULL, NULL, 0, 0, ctx);
2989 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
2992 avio_wb32(pb, len + 24);
2993 ffio_wfourcc(pb, "udta");
2994 avio_wb32(pb, len + 16);
2995 ffio_wfourcc(pb, "hnti");
2996 avio_wb32(pb, len + 8);
2997 ffio_wfourcc(pb, "sdp ");
2998 avio_write(pb, buf, len);
3002 static int mov_write_track_metadata(AVIOContext *pb, AVStream *st,
3003 const char *tag, const char *str)
3005 int64_t pos = avio_tell(pb);
3006 AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
3007 if (!t || !utf8len(t->value))
3010 avio_wb32(pb, 0); /* size */
3011 ffio_wfourcc(pb, tag); /* type */
3012 avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
3013 return update_size(pb, pos);
3016 static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3019 AVIOContext *pb_buf;
3026 ret = avio_open_dyn_buf(&pb_buf);
3030 if (mov->mode & MODE_MP4)
3031 mov_write_track_metadata(pb_buf, st, "name", "title");
3033 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
3034 avio_wb32(pb, size + 8);
3035 ffio_wfourcc(pb, "udta");
3036 avio_write(pb, buf, size);
3043 static int mov_write_trak_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov,
3044 MOVTrack *track, AVStream *st)
3046 int64_t pos = avio_tell(pb);
3047 int entry_backup = track->entry;
3048 int chunk_backup = track->chunkCount;
3051 /* If we want to have an empty moov, but some samples already have been
3052 * buffered (delay_moov), pretend that no samples have been written yet. */
3053 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV)
3054 track->chunkCount = track->entry = 0;
3056 avio_wb32(pb, 0); /* size */
3057 ffio_wfourcc(pb, "trak");
3058 mov_write_tkhd_tag(pb, mov, track, st);
3060 av_assert2(mov->use_editlist >= 0);
3062 if (track->start_dts != AV_NOPTS_VALUE) {
3063 if (mov->use_editlist)
3064 mov_write_edts_tag(pb, mov, track); // PSP Movies and several other cases require edts box
3065 else if ((track->entry && track->cluster[0].dts) || track->mode == MODE_PSP || is_clcp_track(track))
3066 av_log(mov->fc, AV_LOG_WARNING,
3067 "Not writing any edit list even though one would have been required\n");
3070 if (track->tref_tag)
3071 mov_write_tref_tag(pb, track);
3073 if ((ret = mov_write_mdia_tag(s, pb, mov, track)) < 0)
3075 if (track->mode == MODE_PSP)
3076 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
3077 if (track->tag == MKTAG('r','t','p',' '))
3078 mov_write_udta_sdp(pb, track);
3079 if (track->mode == MODE_MOV) {
3080 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
3081 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
3082 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio) {
3083 mov_write_tapt_tag(pb, track);
3086 if (is_clcp_track(track) && st->sample_aspect_ratio.num) {
3087 mov_write_tapt_tag(pb, track);
3090 mov_write_track_udta_tag(pb, mov, st);
3091 track->entry = entry_backup;
3092 track->chunkCount = chunk_backup;
3093 return update_size(pb, pos);
3096 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
3098 int i, has_audio = 0, has_video = 0;
3099 int64_t pos = avio_tell(pb);
3100 int audio_profile = mov->iods_audio_profile;
3101 int video_profile = mov->iods_video_profile;
3102 for (i = 0; i < mov->nb_streams; i++) {
3103 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3104 has_audio |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_AUDIO;
3105 has_video |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_VIDEO;
3108 if (audio_profile < 0)
3109 audio_profile = 0xFF - has_audio;
3110 if (video_profile < 0)
3111 video_profile = 0xFF - has_video;
3112 avio_wb32(pb, 0x0); /* size */
3113 ffio_wfourcc(pb, "iods");
3114 avio_wb32(pb, 0); /* version & flags */
3115 put_descr(pb, 0x10, 7);
3116 avio_wb16(pb, 0x004f);
3119 avio_w8(pb, audio_profile);
3120 avio_w8(pb, video_profile);
3122 return update_size(pb, pos);
3125 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
3127 avio_wb32(pb, 0x20); /* size */
3128 ffio_wfourcc(pb, "trex");
3129 avio_wb32(pb, 0); /* version & flags */
3130 avio_wb32(pb, track->track_id); /* track ID */
3131 avio_wb32(pb, 1); /* default sample description index */
3132 avio_wb32(pb, 0); /* default sample duration */
3133 avio_wb32(pb, 0); /* default sample size */
3134 avio_wb32(pb, 0); /* default sample flags */
3138 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
3140 int64_t pos = avio_tell(pb);
3142 avio_wb32(pb, 0x0); /* size */
3143 ffio_wfourcc(pb, "mvex");
3144 for (i = 0; i < mov->nb_streams; i++)
3145 mov_write_trex_tag(pb, &mov->tracks[i]);
3146 return update_size(pb, pos);
3149 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
3151 int max_track_id = 1, i;
3152 int64_t max_track_len = 0;
3155 for (i = 0; i < mov->nb_streams; i++) {
3156 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
3157 int64_t max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
3159 mov->tracks[i].timescale,
3161 if (max_track_len < max_track_len_temp)
3162 max_track_len = max_track_len_temp;
3163 if (max_track_id < mov->tracks[i].track_id)
3164 max_track_id = mov->tracks[i].track_id;
3167 /* If using delay_moov, make sure the output is the same as if no
3168 * samples had been written yet. */
3169 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3174 version = max_track_len < UINT32_MAX ? 0 : 1;
3175 avio_wb32(pb, version == 1 ? 120 : 108); /* size */
3177 ffio_wfourcc(pb, "mvhd");
3178 avio_w8(pb, version);
3179 avio_wb24(pb, 0); /* flags */
3181 avio_wb64(pb, mov->time);
3182 avio_wb64(pb, mov->time);
3184 avio_wb32(pb, mov->time); /* creation time */
3185 avio_wb32(pb, mov->time); /* modification time */
3187 avio_wb32(pb, MOV_TIMESCALE);
3188 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
3190 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
3191 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
3192 avio_wb16(pb, 0); /* reserved */
3193 avio_wb32(pb, 0); /* reserved */
3194 avio_wb32(pb, 0); /* reserved */
3196 /* Matrix structure */
3197 write_matrix(pb, 1, 0, 0, 1, 0, 0);
3199 avio_wb32(pb, 0); /* reserved (preview time) */
3200 avio_wb32(pb, 0); /* reserved (preview duration) */
3201 avio_wb32(pb, 0); /* reserved (poster time) */
3202 avio_wb32(pb, 0); /* reserved (selection time) */
3203 avio_wb32(pb, 0); /* reserved (selection duration) */
3204 avio_wb32(pb, 0); /* reserved (current time) */
3205 avio_wb32(pb, max_track_id + 1); /* Next track id */
3209 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3212 avio_wb32(pb, 33); /* size */
3213 ffio_wfourcc(pb, "hdlr");
3216 ffio_wfourcc(pb, "mdir");
3217 ffio_wfourcc(pb, "appl");
3224 /* helper function to write a data tag with the specified string as data */
3225 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
3228 int size = 16 + strlen(data);
3229 avio_wb32(pb, size); /* size */
3230 ffio_wfourcc(pb, "data");
3233 avio_write(pb, data, strlen(data));
3237 lang = ff_mov_iso639_to_lang("und", 1);
3238 avio_wb16(pb, strlen(data)); /* string length */
3239 avio_wb16(pb, lang);
3240 avio_write(pb, data, strlen(data));
3241 return strlen(data) + 4;
3245 static int mov_write_string_tag(AVIOContext *pb, const char *name,
3246 const char *value, int lang, int long_style)
3249 if (value && value[0]) {
3250 int64_t pos = avio_tell(pb);
3251 avio_wb32(pb, 0); /* size */
3252 ffio_wfourcc(pb, name);
3253 mov_write_string_data_tag(pb, value, lang, long_style);
3254 size = update_size(pb, pos);
3259 static AVDictionaryEntry *get_metadata_lang(AVFormatContext *s,
3260 const char *tag, int *lang)
3263 AVDictionaryEntry *t, *t2 = NULL;
3268 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3271 len = strlen(t->key);
3272 snprintf(tag2, sizeof(tag2), "%s-", tag);
3273 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
3274 len2 = strlen(t2->key);
3275 if (len2 == len + 4 && !strcmp(t->value, t2->value)
3276 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
3284 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
3285 const char *name, const char *tag,
3289 AVDictionaryEntry *t = get_metadata_lang(s, tag, &lang);
3292 return mov_write_string_tag(pb, name, t->value, lang, long_style);
3295 /* iTunes bpm number */
3296 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
3298 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
3299 int size = 0, tmpo = t ? atoi(t->value) : 0;
3302 avio_wb32(pb, size);
3303 ffio_wfourcc(pb, "tmpo");
3304 avio_wb32(pb, size-8); /* size */
3305 ffio_wfourcc(pb, "data");
3306 avio_wb32(pb, 0x15); //type specifier
3308 avio_wb16(pb, tmpo); // data
3313 /* 3GPP TS 26.244 */
3314 static int mov_write_loci_tag(AVFormatContext *s, AVIOContext *pb)
3317 int64_t pos = avio_tell(pb);
3318 double latitude, longitude, altitude;
3319 int32_t latitude_fix, longitude_fix, altitude_fix;
3320 AVDictionaryEntry *t = get_metadata_lang(s, "location", &lang);
3321 const char *ptr, *place = "";
3323 static const char *astronomical_body = "earth";
3328 longitude = strtod(ptr, &end);
3330 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3334 latitude = strtod(ptr, &end);
3336 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3340 altitude = strtod(ptr, &end);
3341 /* If no altitude was present, the default 0 should be fine */
3345 latitude_fix = (int32_t) ((1 << 16) * latitude);
3346 longitude_fix = (int32_t) ((1 << 16) * longitude);
3347 altitude_fix = (int32_t) ((1 << 16) * altitude);
3349 avio_wb32(pb, 0); /* size */
3350 ffio_wfourcc(pb, "loci"); /* type */
3351 avio_wb32(pb, 0); /* version + flags */
3352 avio_wb16(pb, lang);
3353 avio_write(pb, place, strlen(place) + 1);
3354 avio_w8(pb, 0); /* role of place (0 == shooting location, 1 == real location, 2 == fictional location) */
3355 avio_wb32(pb, latitude_fix);
3356 avio_wb32(pb, longitude_fix);
3357 avio_wb32(pb, altitude_fix);
3358 avio_write(pb, astronomical_body, strlen(astronomical_body) + 1);
3359 avio_w8(pb, 0); /* additional notes, null terminated string */
3361 return update_size(pb, pos);
3364 /* iTunes track or disc number */
3365 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
3366 AVFormatContext *s, int disc)
3368 AVDictionaryEntry *t = av_dict_get(s->metadata,
3369 disc ? "disc" : "track",
3371 int size = 0, track = t ? atoi(t->value) : 0;
3374 char *slash = strchr(t->value, '/');
3376 tracks = atoi(slash + 1);
3377 avio_wb32(pb, 32); /* size */
3378 ffio_wfourcc(pb, disc ? "disk" : "trkn");
3379 avio_wb32(pb, 24); /* size */
3380 ffio_wfourcc(pb, "data");
3381 avio_wb32(pb, 0); // 8 bytes empty
3383 avio_wb16(pb, 0); // empty
3384 avio_wb16(pb, track); // track / disc number
3385 avio_wb16(pb, tracks); // total track / disc number
3386 avio_wb16(pb, 0); // empty
3392 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
3393 const char *name, const char *tag,
3396 AVDictionaryEntry *t = NULL;
3398 int size = 24 + len;
3400 if (len != 1 && len != 4)
3403 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3405 num = atoi(t->value);
3407 avio_wb32(pb, size);
3408 ffio_wfourcc(pb, name);
3409 avio_wb32(pb, size - 8);
3410 ffio_wfourcc(pb, "data");
3411 avio_wb32(pb, 0x15);
3413 if (len==4) avio_wb32(pb, num);
3414 else avio_w8 (pb, num);
3419 /* iTunes meta data list */
3420 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3423 int64_t pos = avio_tell(pb);
3424 avio_wb32(pb, 0); /* size */
3425 ffio_wfourcc(pb, "ilst");
3426 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
3427 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
3428 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
3429 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
3430 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
3431 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
3432 if (!mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1)) {
3433 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3434 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
3436 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
3437 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
3438 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
3439 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
3440 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
3441 mov_write_string_metadata(s, pb, "desc", "description",1);
3442 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
3443 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
3444 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
3445 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
3446 mov_write_string_metadata(s, pb, "keyw", "keywords" , 1);
3447 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
3448 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
3449 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
3450 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
3451 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
3452 mov_write_int8_metadata (s, pb, "cpil", "compilation", 1);
3453 mov_write_trkn_tag(pb, mov, s, 0); // track number
3454 mov_write_trkn_tag(pb, mov, s, 1); // disc number
3455 mov_write_tmpo_tag(pb, s);
3456 return update_size(pb, pos);
3459 static int mov_write_mdta_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3462 avio_wb32(pb, 33); /* size */
3463 ffio_wfourcc(pb, "hdlr");
3466 ffio_wfourcc(pb, "mdta");
3474 static int mov_write_mdta_keys_tag(AVIOContext *pb, MOVMuxContext *mov,
3477 AVDictionaryEntry *t = NULL;
3478 int64_t pos = avio_tell(pb);
3479 int64_t curpos, entry_pos;
3482 avio_wb32(pb, 0); /* size */
3483 ffio_wfourcc(pb, "keys");
3485 entry_pos = avio_tell(pb);
3486 avio_wb32(pb, 0); /* entry count */
3488 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3489 avio_wb32(pb, strlen(t->key) + 8);
3490 ffio_wfourcc(pb, "mdta");
3491 avio_write(pb, t->key, strlen(t->key));
3494 curpos = avio_tell(pb);
3495 avio_seek(pb, entry_pos, SEEK_SET);
3496 avio_wb32(pb, count); // rewrite entry count
3497 avio_seek(pb, curpos, SEEK_SET);
3499 return update_size(pb, pos);
3502 static int mov_write_mdta_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3505 AVDictionaryEntry *t = NULL;
3506 int64_t pos = avio_tell(pb);
3507 int count = 1; /* keys are 1-index based */
3509 avio_wb32(pb, 0); /* size */
3510 ffio_wfourcc(pb, "ilst");
3512 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3513 int64_t entry_pos = avio_tell(pb);
3514 avio_wb32(pb, 0); /* size */
3515 avio_wb32(pb, count); /* key */
3516 mov_write_string_data_tag(pb, t->value, 0, 1);
3517 update_size(pb, entry_pos);
3520 return update_size(pb, pos);
3523 /* meta data tags */
3524 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
3528 int64_t pos = avio_tell(pb);
3529 avio_wb32(pb, 0); /* size */
3530 ffio_wfourcc(pb, "meta");
3532 if (mov->flags & FF_MOV_FLAG_USE_MDTA) {
3533 mov_write_mdta_hdlr_tag(pb, mov, s);
3534 mov_write_mdta_keys_tag(pb, mov, s);
3535 mov_write_mdta_ilst_tag(pb, mov, s);
3538 /* iTunes metadata tag */
3539 mov_write_itunes_hdlr_tag(pb, mov, s);
3540 mov_write_ilst_tag(pb, mov, s);
3542 size = update_size(pb, pos);
3546 static int mov_write_raw_metadata_tag(AVFormatContext *s, AVIOContext *pb,
3547 const char *name, const char *key)
3550 AVDictionaryEntry *t;
3552 if (!(t = av_dict_get(s->metadata, key, NULL, 0)))
3555 len = strlen(t->value);
3558 avio_wb32(pb, size);
3559 ffio_wfourcc(pb, name);
3560 avio_write(pb, t->value, len);
3566 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
3570 GET_UTF8(val, *b++, return -1;)
3573 avio_wb16(pb, 0x00);
3577 static uint16_t language_code(const char *str)
3579 return (((str[0] - 0x60) & 0x1F) << 10) +
3580 (((str[1] - 0x60) & 0x1F) << 5) +
3581 (( str[2] - 0x60) & 0x1F);
3584 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
3585 const char *tag, const char *str)
3587 int64_t pos = avio_tell(pb);
3588 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
3589 if (!t || !utf8len(t->value))
3591 avio_wb32(pb, 0); /* size */
3592 ffio_wfourcc(pb, tag); /* type */
3593 avio_wb32(pb, 0); /* version + flags */
3594 if (!strcmp(tag, "yrrc"))
3595 avio_wb16(pb, atoi(t->value));
3597 avio_wb16(pb, language_code("eng")); /* language */
3598 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
3599 if (!strcmp(tag, "albm") &&
3600 (t = av_dict_get(s->metadata, "track", NULL, 0)))
3601 avio_w8(pb, atoi(t->value));
3603 return update_size(pb, pos);
3606 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
3608 int64_t pos = avio_tell(pb);
3609 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
3611 avio_wb32(pb, 0); // size
3612 ffio_wfourcc(pb, "chpl");
3613 avio_wb32(pb, 0x01000000); // version + flags
3614 avio_wb32(pb, 0); // unknown
3615 avio_w8(pb, nb_chapters);
3617 for (i = 0; i < nb_chapters; i++) {
3618 AVChapter *c = s->chapters[i];
3619 AVDictionaryEntry *t;
3620 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
3622 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3623 int len = FFMIN(strlen(t->value), 255);
3625 avio_write(pb, t->value, len);
3629 return update_size(pb, pos);
3632 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3635 AVIOContext *pb_buf;
3639 ret = avio_open_dyn_buf(&pb_buf);
3643 if (mov->mode & MODE_3GP) {
3644 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
3645 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
3646 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
3647 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
3648 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
3649 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
3650 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
3651 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
3652 mov_write_loci_tag(s, pb_buf);
3653 } 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
3654 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
3655 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
3656 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
3657 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
3658 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
3659 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
3660 // currently ignored by mov.c
3661 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
3662 // add support for libquicktime, this atom is also actually read by mov.c
3663 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
3664 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
3665 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
3666 mov_write_string_metadata(s, pb_buf, "\251mak", "make", 0);
3667 mov_write_string_metadata(s, pb_buf, "\251mod", "model", 0);
3668 mov_write_string_metadata(s, pb_buf, "\251xyz", "location", 0);
3669 mov_write_string_metadata(s, pb_buf, "\251key", "keywords", 0);
3670 mov_write_raw_metadata_tag(s, pb_buf, "XMP_", "xmp");
3672 /* iTunes meta data */
3673 mov_write_meta_tag(pb_buf, mov, s);
3674 mov_write_loci_tag(s, pb_buf);
3677 if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
3678 mov_write_chpl_tag(pb_buf, s);
3680 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
3681 avio_wb32(pb, size + 8);
3682 ffio_wfourcc(pb, "udta");
3683 avio_write(pb, buf, size);
3690 static void mov_write_psp_udta_tag(AVIOContext *pb,
3691 const char *str, const char *lang, int type)
3693 int len = utf8len(str) + 1;
3696 avio_wb16(pb, len * 2 + 10); /* size */
3697 avio_wb32(pb, type); /* type */
3698 avio_wb16(pb, language_code(lang)); /* language */
3699 avio_wb16(pb, 0x01); /* ? */
3700 ascii_to_wc(pb, str);
3703 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
3705 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
3709 pos = avio_tell(pb);
3710 avio_wb32(pb, 0); /* size placeholder*/
3711 ffio_wfourcc(pb, "uuid");
3712 ffio_wfourcc(pb, "USMT");
3713 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
3714 avio_wb32(pb, 0xbb88695c);
3715 avio_wb32(pb, 0xfac9c740);
3717 pos2 = avio_tell(pb);
3718 avio_wb32(pb, 0); /* size placeholder*/
3719 ffio_wfourcc(pb, "MTDT");
3723 avio_wb16(pb, 0x0C); /* size */
3724 avio_wb32(pb, 0x0B); /* type */
3725 avio_wb16(pb, language_code("und")); /* language */
3726 avio_wb16(pb, 0x0); /* ? */
3727 avio_wb16(pb, 0x021C); /* data */
3729 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3730 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
3731 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
3732 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
3734 update_size(pb, pos2);
3735 return update_size(pb, pos);
3741 static void build_chunks(MOVTrack *trk)
3744 MOVIentry *chunk = &trk->cluster[0];
3745 uint64_t chunkSize = chunk->size;
3746 chunk->chunkNum = 1;
3747 if (trk->chunkCount)
3749 trk->chunkCount = 1;
3750 for (i = 1; i<trk->entry; i++){
3751 if (chunk->pos + chunkSize == trk->cluster[i].pos &&
3752 chunkSize + trk->cluster[i].size < (1<<20)){
3753 chunkSize += trk->cluster[i].size;
3754 chunk->samples_in_chunk += trk->cluster[i].entries;
3756 trk->cluster[i].chunkNum = chunk->chunkNum+1;
3757 chunk=&trk->cluster[i];
3758 chunkSize = chunk->size;
3765 * Assign track ids. If option "use_stream_ids_as_track_ids" is set,
3766 * the stream ids are used as track ids.
3768 * This assumes mov->tracks and s->streams are in the same order and
3769 * there are no gaps in either of them (so mov->tracks[n] refers to
3772 * As an exception, there can be more entries in
3773 * s->streams than in mov->tracks, in which case new track ids are
3774 * generated (starting after the largest found stream id).
3776 static int mov_setup_track_ids(MOVMuxContext *mov, AVFormatContext *s)
3780 if (mov->track_ids_ok)
3783 if (mov->use_stream_ids_as_track_ids) {
3784 int next_generated_track_id = 0;
3785 for (i = 0; i < s->nb_streams; i++) {
3786 if (s->streams[i]->id > next_generated_track_id)
3787 next_generated_track_id = s->streams[i]->id;
3790 for (i = 0; i < mov->nb_streams; i++) {
3791 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3794 mov->tracks[i].track_id = i >= s->nb_streams ? ++next_generated_track_id : s->streams[i]->id;
3797 for (i = 0; i < mov->nb_streams; i++) {
3798 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3801 mov->tracks[i].track_id = i + 1;
3805 mov->track_ids_ok = 1;
3810 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
3814 int64_t pos = avio_tell(pb);
3815 avio_wb32(pb, 0); /* size placeholder*/
3816 ffio_wfourcc(pb, "moov");
3818 mov_setup_track_ids(mov, s);
3820 for (i = 0; i < mov->nb_streams; i++) {
3821 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3824 mov->tracks[i].time = mov->time;
3826 if (mov->tracks[i].entry)
3827 build_chunks(&mov->tracks[i]);
3830 if (mov->chapter_track)
3831 for (i = 0; i < s->nb_streams; i++) {
3832 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
3833 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
3835 for (i = 0; i < mov->nb_streams; i++) {
3836 MOVTrack *track = &mov->tracks[i];
3837 if (track->tag == MKTAG('r','t','p',' ')) {
3838 track->tref_tag = MKTAG('h','i','n','t');
3839 track->tref_id = mov->tracks[track->src_track].track_id;
3840 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
3841 int * fallback, size;
3842 fallback = (int*)av_stream_get_side_data(track->st,
3843 AV_PKT_DATA_FALLBACK_TRACK,
3845 if (fallback != NULL && size == sizeof(int)) {
3846 if (*fallback >= 0 && *fallback < mov->nb_streams) {
3847 track->tref_tag = MKTAG('f','a','l','l');
3848 track->tref_id = mov->tracks[*fallback].track_id;
3853 for (i = 0; i < mov->nb_streams; i++) {
3854 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
3855 int src_trk = mov->tracks[i].src_track;
3856 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
3857 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
3858 //src_trk may have a different timescale than the tmcd track
3859 mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration,
3860 mov->tracks[i].timescale,
3861 mov->tracks[src_trk].timescale);
3865 mov_write_mvhd_tag(pb, mov);
3866 if (mov->mode != MODE_MOV && !mov->iods_skip)
3867 mov_write_iods_tag(pb, mov);
3868 for (i = 0; i < mov->nb_streams; i++) {
3869 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
3870 int ret = mov_write_trak_tag(s, pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
3875 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
3876 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
3878 if (mov->mode == MODE_PSP)
3879 mov_write_uuidusmt_tag(pb, s);
3881 mov_write_udta_tag(pb, mov, s);
3883 return update_size(pb, pos);
3886 static void param_write_int(AVIOContext *pb, const char *name, int value)
3888 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
3891 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
3893 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
3896 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
3899 len = FFMIN(sizeof(buf) / 2 - 1, len);
3900 ff_data_to_hex(buf, value, len, 0);
3901 buf[2 * len] = '\0';
3902 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
3905 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
3907 int64_t pos = avio_tell(pb);
3909 int64_t manifest_bit_rate = 0;
3910 AVCPBProperties *props = NULL;
3912 static const uint8_t uuid[] = {
3913 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
3914 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
3918 ffio_wfourcc(pb, "uuid");
3919 avio_write(pb, uuid, sizeof(uuid));
3922 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
3923 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
3924 avio_printf(pb, "<head>\n");
3925 if (!(mov->fc->flags & AVFMT_FLAG_BITEXACT))
3926 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
3928 avio_printf(pb, "</head>\n");
3929 avio_printf(pb, "<body>\n");
3930 avio_printf(pb, "<switch>\n");
3932 mov_setup_track_ids(mov, s);
3934 for (i = 0; i < mov->nb_streams; i++) {
3935 MOVTrack *track = &mov->tracks[i];
3937 int track_id = track->track_id;
3938 char track_name_buf[32] = { 0 };
3940 AVStream *st = track->st;
3941 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
3943 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
3945 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
3951 props = (AVCPBProperties*)av_stream_get_side_data(track->st, AV_PKT_DATA_CPB_PROPERTIES, NULL);
3953 if (track->par->bit_rate) {
3954 manifest_bit_rate = track->par->bit_rate;
3956 manifest_bit_rate = props->max_bitrate;
3959 avio_printf(pb, "<%s systemBitrate=\"%"PRId64"\">\n", type,
3961 param_write_int(pb, "systemBitrate", manifest_bit_rate);
3962 param_write_int(pb, "trackID", track_id);
3963 param_write_string(pb, "systemLanguage", lang ? lang->value : "und");
3965 /* Build track name piece by piece: */
3967 av_strlcat(track_name_buf, type, sizeof(track_name_buf));
3968 /* 2. track language, if available */
3970 av_strlcatf(track_name_buf, sizeof(track_name_buf),
3971 "_%s", lang->value);
3972 /* 3. special type suffix */
3973 /* "_cc" = closed captions, "_ad" = audio_description */
3974 if (st->disposition & AV_DISPOSITION_HEARING_IMPAIRED)
3975 av_strlcat(track_name_buf, "_cc", sizeof(track_name_buf));
3976 else if (st->disposition & AV_DISPOSITION_VISUAL_IMPAIRED)
3977 av_strlcat(track_name_buf, "_ad", sizeof(track_name_buf));
3979 param_write_string(pb, "trackName", track_name_buf);
3981 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
3982 if (track->par->codec_id == AV_CODEC_ID_H264) {
3984 int size = track->par->extradata_size;
3985 if (!ff_avc_write_annexb_extradata(track->par->extradata, &ptr,
3987 param_write_hex(pb, "CodecPrivateData",
3988 ptr ? ptr : track->par->extradata,
3992 param_write_string(pb, "FourCC", "H264");
3993 } else if (track->par->codec_id == AV_CODEC_ID_VC1) {
3994 param_write_string(pb, "FourCC", "WVC1");
3995 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
3996 track->par->extradata_size);
3998 param_write_int(pb, "MaxWidth", track->par->width);
3999 param_write_int(pb, "MaxHeight", track->par->height);
4000 param_write_int(pb, "DisplayWidth", track->par->width);
4001 param_write_int(pb, "DisplayHeight", track->par->height);
4003 if (track->par->codec_id == AV_CODEC_ID_AAC) {
4004 switch (track->par->profile)
4006 case FF_PROFILE_AAC_HE_V2:
4007 param_write_string(pb, "FourCC", "AACP");
4009 case FF_PROFILE_AAC_HE:
4010 param_write_string(pb, "FourCC", "AACH");
4013 param_write_string(pb, "FourCC", "AACL");
4015 } else if (track->par->codec_id == AV_CODEC_ID_WMAPRO) {
4016 param_write_string(pb, "FourCC", "WMAP");
4018 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
4019 track->par->extradata_size);
4020 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
4021 track->par->codec_id));
4022 param_write_int(pb, "Channels", track->par->channels);
4023 param_write_int(pb, "SamplingRate", track->par->sample_rate);
4024 param_write_int(pb, "BitsPerSample", 16);
4025 param_write_int(pb, "PacketSize", track->par->block_align ?
4026 track->par->block_align : 4);
4028 avio_printf(pb, "</%s>\n", type);
4030 avio_printf(pb, "</switch>\n");
4031 avio_printf(pb, "</body>\n");
4032 avio_printf(pb, "</smil>\n");
4034 return update_size(pb, pos);
4037 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
4040 ffio_wfourcc(pb, "mfhd");
4042 avio_wb32(pb, mov->fragments);
4046 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
4048 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
4049 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
4052 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
4053 MOVTrack *track, int64_t moof_offset)
4055 int64_t pos = avio_tell(pb);
4056 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
4057 MOV_TFHD_BASE_DATA_OFFSET;
4058 if (!track->entry) {
4059 flags |= MOV_TFHD_DURATION_IS_EMPTY;
4061 flags |= MOV_TFHD_DEFAULT_FLAGS;
4063 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
4064 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
4065 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) {
4066 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
4067 flags |= MOV_TFHD_DEFAULT_BASE_IS_MOOF;
4070 /* Don't set a default sample size, the silverlight player refuses
4071 * to play files with that set. Don't set a default sample duration,
4072 * WMP freaks out if it is set. Don't set a base data offset, PIFF
4073 * file format says it MUST NOT be set. */
4074 if (track->mode == MODE_ISM)
4075 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
4076 MOV_TFHD_BASE_DATA_OFFSET);
4078 avio_wb32(pb, 0); /* size placeholder */
4079 ffio_wfourcc(pb, "tfhd");
4080 avio_w8(pb, 0); /* version */
4081 avio_wb24(pb, flags);
4083 avio_wb32(pb, track->track_id); /* track-id */
4084 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
4085 avio_wb64(pb, moof_offset);
4086 if (flags & MOV_TFHD_DEFAULT_DURATION) {
4087 track->default_duration = get_cluster_duration(track, 0);
4088 avio_wb32(pb, track->default_duration);
4090 if (flags & MOV_TFHD_DEFAULT_SIZE) {
4091 track->default_size = track->entry ? track->cluster[0].size : 1;
4092 avio_wb32(pb, track->default_size);
4094 track->default_size = -1;
4096 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
4097 /* Set the default flags based on the second sample, if available.
4098 * If the first sample is different, that can be signaled via a separate field. */
4099 if (track->entry > 1)
4100 track->default_sample_flags = get_sample_flags(track, &track->cluster[1]);
4102 track->default_sample_flags =
4103 track->par->codec_type == AVMEDIA_TYPE_VIDEO ?
4104 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
4105 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
4106 avio_wb32(pb, track->default_sample_flags);
4109 return update_size(pb, pos);
4112 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
4113 MOVTrack *track, int moof_size,
4116 int64_t pos = avio_tell(pb);
4117 uint32_t flags = MOV_TRUN_DATA_OFFSET;
4120 for (i = first; i < end; i++) {
4121 if (get_cluster_duration(track, i) != track->default_duration)
4122 flags |= MOV_TRUN_SAMPLE_DURATION;
4123 if (track->cluster[i].size != track->default_size)
4124 flags |= MOV_TRUN_SAMPLE_SIZE;
4125 if (i > first && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
4126 flags |= MOV_TRUN_SAMPLE_FLAGS;
4128 if (!(flags & MOV_TRUN_SAMPLE_FLAGS) && track->entry > 0 &&
4129 get_sample_flags(track, &track->cluster[0]) != track->default_sample_flags)
4130 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
4131 if (track->flags & MOV_TRACK_CTTS)
4132 flags |= MOV_TRUN_SAMPLE_CTS;
4134 avio_wb32(pb, 0); /* size placeholder */
4135 ffio_wfourcc(pb, "trun");
4136 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4137 avio_w8(pb, 1); /* version */
4139 avio_w8(pb, 0); /* version */
4140 avio_wb24(pb, flags);
4142 avio_wb32(pb, end - first); /* sample count */
4143 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
4144 !(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) &&
4146 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
4148 avio_wb32(pb, moof_size + 8 + track->data_offset +
4149 track->cluster[first].pos); /* data offset */
4150 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
4151 avio_wb32(pb, get_sample_flags(track, &track->cluster[first]));
4153 for (i = first; i < end; i++) {
4154 if (flags & MOV_TRUN_SAMPLE_DURATION)
4155 avio_wb32(pb, get_cluster_duration(track, i));
4156 if (flags & MOV_TRUN_SAMPLE_SIZE)
4157 avio_wb32(pb, track->cluster[i].size);
4158 if (flags & MOV_TRUN_SAMPLE_FLAGS)
4159 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
4160 if (flags & MOV_TRUN_SAMPLE_CTS)
4161 avio_wb32(pb, track->cluster[i].cts);
4164 mov->first_trun = 0;
4165 return update_size(pb, pos);
4168 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
4170 int64_t pos = avio_tell(pb);
4171 static const uint8_t uuid[] = {
4172 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
4173 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
4176 avio_wb32(pb, 0); /* size placeholder */
4177 ffio_wfourcc(pb, "uuid");
4178 avio_write(pb, uuid, sizeof(uuid));
4181 avio_wb64(pb, track->start_dts + track->frag_start +
4182 track->cluster[0].cts);
4183 avio_wb64(pb, track->end_pts -
4184 (track->cluster[0].dts + track->cluster[0].cts));
4186 return update_size(pb, pos);
4189 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
4190 MOVTrack *track, int entry)
4192 int n = track->nb_frag_info - 1 - entry, i;
4193 int size = 8 + 16 + 4 + 1 + 16*n;
4194 static const uint8_t uuid[] = {
4195 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
4196 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
4202 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
4203 avio_wb32(pb, size);
4204 ffio_wfourcc(pb, "uuid");
4205 avio_write(pb, uuid, sizeof(uuid));
4209 for (i = 0; i < n; i++) {
4210 int index = entry + 1 + i;
4211 avio_wb64(pb, track->frag_info[index].time);
4212 avio_wb64(pb, track->frag_info[index].duration);
4214 if (n < mov->ism_lookahead) {
4215 int free_size = 16 * (mov->ism_lookahead - n);
4216 avio_wb32(pb, free_size);
4217 ffio_wfourcc(pb, "free");
4218 ffio_fill(pb, 0, free_size - 8);
4224 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
4227 int64_t pos = avio_tell(pb);
4229 for (i = 0; i < mov->ism_lookahead; i++) {
4230 /* Update the tfrf tag for the last ism_lookahead fragments,
4231 * nb_frag_info - 1 is the next fragment to be written. */
4232 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
4234 avio_seek(pb, pos, SEEK_SET);
4238 static int mov_add_tfra_entries(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4242 for (i = 0; i < mov->nb_streams; i++) {
4243 MOVTrack *track = &mov->tracks[i];
4244 MOVFragmentInfo *info;
4245 if ((tracks >= 0 && i != tracks) || !track->entry)
4247 track->nb_frag_info++;
4248 if (track->nb_frag_info >= track->frag_info_capacity) {
4249 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
4250 if (av_reallocp_array(&track->frag_info,
4252 sizeof(*track->frag_info)))
4253 return AVERROR(ENOMEM);
4254 track->frag_info_capacity = new_capacity;
4256 info = &track->frag_info[track->nb_frag_info - 1];
4257 info->offset = avio_tell(pb);
4259 // Try to recreate the original pts for the first packet
4260 // from the fields we have stored
4261 info->time = track->start_dts + track->frag_start +
4262 track->cluster[0].cts;
4263 info->duration = track->end_pts -
4264 (track->cluster[0].dts + track->cluster[0].cts);
4265 // If the pts is less than zero, we will have trimmed
4266 // away parts of the media track using an edit list,
4267 // and the corresponding start presentation time is zero.
4268 if (info->time < 0) {
4269 info->duration += info->time;
4272 info->tfrf_offset = 0;
4273 mov_write_tfrf_tags(pb, mov, track);
4278 static void mov_prune_frag_info(MOVMuxContext *mov, int tracks, int max)
4281 for (i = 0; i < mov->nb_streams; i++) {
4282 MOVTrack *track = &mov->tracks[i];
4283 if ((tracks >= 0 && i != tracks) || !track->entry)
4285 if (track->nb_frag_info > max) {
4286 memmove(track->frag_info, track->frag_info + (track->nb_frag_info - max), max * sizeof(*track->frag_info));
4287 track->nb_frag_info = max;
4292 static int mov_write_tfdt_tag(AVIOContext *pb, MOVTrack *track)
4294 int64_t pos = avio_tell(pb);
4296 avio_wb32(pb, 0); /* size */
4297 ffio_wfourcc(pb, "tfdt");
4298 avio_w8(pb, 1); /* version */
4300 avio_wb64(pb, track->frag_start);
4301 return update_size(pb, pos);
4304 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
4305 MOVTrack *track, int64_t moof_offset,
4308 int64_t pos = avio_tell(pb);
4310 avio_wb32(pb, 0); /* size placeholder */
4311 ffio_wfourcc(pb, "traf");
4313 mov_write_tfhd_tag(pb, mov, track, moof_offset);
4314 if (mov->mode != MODE_ISM)
4315 mov_write_tfdt_tag(pb, track);
4316 for (i = 1; i < track->entry; i++) {
4317 if (track->cluster[i].pos != track->cluster[i - 1].pos + track->cluster[i - 1].size) {
4318 mov_write_trun_tag(pb, mov, track, moof_size, start, i);
4322 mov_write_trun_tag(pb, mov, track, moof_size, start, track->entry);
4323 if (mov->mode == MODE_ISM) {
4324 mov_write_tfxd_tag(pb, track);
4326 if (mov->ism_lookahead) {
4327 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
4329 if (track->nb_frag_info > 0) {
4330 MOVFragmentInfo *info = &track->frag_info[track->nb_frag_info - 1];
4331 if (!info->tfrf_offset)
4332 info->tfrf_offset = avio_tell(pb);
4334 avio_wb32(pb, 8 + size);
4335 ffio_wfourcc(pb, "free");
4336 for (i = 0; i < size; i++)
4341 return update_size(pb, pos);
4344 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
4345 int tracks, int moof_size)
4347 int64_t pos = avio_tell(pb);
4350 avio_wb32(pb, 0); /* size placeholder */
4351 ffio_wfourcc(pb, "moof");
4352 mov->first_trun = 1;
4354 mov_write_mfhd_tag(pb, mov);
4355 for (i = 0; i < mov->nb_streams; i++) {
4356 MOVTrack *track = &mov->tracks[i];
4357 if (tracks >= 0 && i != tracks)
4361 mov_write_traf_tag(pb, mov, track, pos, moof_size);
4364 return update_size(pb, pos);
4367 static int mov_write_sidx_tag(AVIOContext *pb,
4368 MOVTrack *track, int ref_size, int total_sidx_size)
4370 int64_t pos = avio_tell(pb), offset_pos, end_pos;
4371 int64_t presentation_time, duration, offset;
4372 int starts_with_SAP, i, entries;
4376 presentation_time = track->start_dts + track->frag_start +
4377 track->cluster[0].cts;
4378 duration = track->end_pts -
4379 (track->cluster[0].dts + track->cluster[0].cts);
4380 starts_with_SAP = track->cluster[0].flags & MOV_SYNC_SAMPLE;
4382 // pts<0 should be cut away using edts
4383 if (presentation_time < 0) {
4384 duration += presentation_time;
4385 presentation_time = 0;
4388 entries = track->nb_frag_info;
4391 presentation_time = track->frag_info[0].time;
4394 avio_wb32(pb, 0); /* size */
4395 ffio_wfourcc(pb, "sidx");
4396 avio_w8(pb, 1); /* version */
4398 avio_wb32(pb, track->track_id); /* reference_ID */
4399 avio_wb32(pb, track->timescale); /* timescale */
4400 avio_wb64(pb, presentation_time); /* earliest_presentation_time */
4401 offset_pos = avio_tell(pb);
4402 avio_wb64(pb, 0); /* first_offset (offset to referenced moof) */
4403 avio_wb16(pb, 0); /* reserved */
4405 avio_wb16(pb, entries); /* reference_count */
4406 for (i = 0; i < entries; i++) {
4407 if (!track->entry) {
4408 if (i > 1 && track->frag_info[i].offset != track->frag_info[i - 1].offset + track->frag_info[i - 1].size) {
4409 av_log(NULL, AV_LOG_ERROR, "Non-consecutive fragments, writing incorrect sidx\n");
4411 duration = track->frag_info[i].duration;
4412 ref_size = track->frag_info[i].size;
4413 starts_with_SAP = 1;
4415 avio_wb32(pb, (0 << 31) | (ref_size & 0x7fffffff)); /* reference_type (0 = media) | referenced_size */
4416 avio_wb32(pb, duration); /* subsegment_duration */
4417 avio_wb32(pb, (starts_with_SAP << 31) | (0 << 28) | 0); /* starts_with_SAP | SAP_type | SAP_delta_time */
4420 end_pos = avio_tell(pb);
4421 offset = pos + total_sidx_size - end_pos;
4422 avio_seek(pb, offset_pos, SEEK_SET);
4423 avio_wb64(pb, offset);
4424 avio_seek(pb, end_pos, SEEK_SET);
4425 return update_size(pb, pos);
4428 static int mov_write_sidx_tags(AVIOContext *pb, MOVMuxContext *mov,
4429 int tracks, int ref_size)
4432 AVIOContext *avio_buf;
4434 for (round = 0; round < 2; round++) {
4435 // First run one round to calculate the total size of all
4437 // This would be much simpler if we'd only write one sidx
4438 // atom, for the first track in the moof.
4440 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4445 for (i = 0; i < mov->nb_streams; i++) {
4446 MOVTrack *track = &mov->tracks[i];
4447 if (tracks >= 0 && i != tracks)
4449 // When writing a sidx for the full file, entry is 0, but
4450 // we want to include all tracks. ref_size is 0 in this case,
4451 // since we read it from frag_info instead.
4452 if (!track->entry && ref_size > 0)
4454 total_size -= mov_write_sidx_tag(avio_buf, track, ref_size,
4458 total_size = ffio_close_null_buf(avio_buf);
4463 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4466 AVIOContext *avio_buf;
4469 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4471 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
4472 moof_size = ffio_close_null_buf(avio_buf);
4474 if (mov->flags & FF_MOV_FLAG_DASH && !(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX))
4475 mov_write_sidx_tags(pb, mov, tracks, moof_size + 8 + mdat_size);
4477 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX ||
4478 !(mov->flags & FF_MOV_FLAG_SKIP_TRAILER) ||
4479 mov->ism_lookahead) {
4480 if ((ret = mov_add_tfra_entries(pb, mov, tracks, moof_size + 8 + mdat_size)) < 0)
4482 if (!(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) &&
4483 mov->flags & FF_MOV_FLAG_SKIP_TRAILER) {
4484 mov_prune_frag_info(mov, tracks, mov->ism_lookahead + 1);
4488 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
4491 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
4493 int64_t pos = avio_tell(pb);
4496 avio_wb32(pb, 0); /* size placeholder */
4497 ffio_wfourcc(pb, "tfra");
4498 avio_w8(pb, 1); /* version */
4501 avio_wb32(pb, track->track_id);
4502 avio_wb32(pb, 0); /* length of traf/trun/sample num */
4503 avio_wb32(pb, track->nb_frag_info);
4504 for (i = 0; i < track->nb_frag_info; i++) {
4505 avio_wb64(pb, track->frag_info[i].time);
4506 avio_wb64(pb, track->frag_info[i].offset + track->data_offset);
4507 avio_w8(pb, 1); /* traf number */
4508 avio_w8(pb, 1); /* trun number */
4509 avio_w8(pb, 1); /* sample number */
4512 return update_size(pb, pos);
4515 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
4517 int64_t pos = avio_tell(pb);
4520 avio_wb32(pb, 0); /* size placeholder */
4521 ffio_wfourcc(pb, "mfra");
4522 /* An empty mfra atom is enough to indicate to the publishing point that
4523 * the stream has ended. */
4524 if (mov->flags & FF_MOV_FLAG_ISML)
4525 return update_size(pb, pos);
4527 for (i = 0; i < mov->nb_streams; i++) {
4528 MOVTrack *track = &mov->tracks[i];
4529 if (track->nb_frag_info)
4530 mov_write_tfra_tag(pb, track);
4534 ffio_wfourcc(pb, "mfro");
4535 avio_wb32(pb, 0); /* version + flags */
4536 avio_wb32(pb, avio_tell(pb) + 4 - pos);
4538 return update_size(pb, pos);
4541 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
4543 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
4544 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
4546 mov->mdat_pos = avio_tell(pb);
4547 avio_wb32(pb, 0); /* size placeholder*/
4548 ffio_wfourcc(pb, "mdat");
4552 /* TODO: This needs to be more general */
4553 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
4555 MOVMuxContext *mov = s->priv_data;
4556 int64_t pos = avio_tell(pb);
4557 int has_h264 = 0, has_video = 0;
4561 for (i = 0; i < s->nb_streams; i++) {
4562 AVStream *st = s->streams[i];
4563 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
4565 if (st->codecpar->codec_id == AV_CODEC_ID_H264)
4569 avio_wb32(pb, 0); /* size */
4570 ffio_wfourcc(pb, "ftyp");
4572 if (mov->major_brand && strlen(mov->major_brand) >= 4)
4573 ffio_wfourcc(pb, mov->major_brand);
4574 else if (mov->mode == MODE_3GP) {
4575 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
4576 minor = has_h264 ? 0x100 : 0x200;
4577 } else if (mov->mode & MODE_3G2) {
4578 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
4579 minor = has_h264 ? 0x20000 : 0x10000;
4580 } else if (mov->mode == MODE_PSP)
4581 ffio_wfourcc(pb, "MSNV");
4582 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
4583 ffio_wfourcc(pb, "iso5"); // Required when using default-base-is-moof
4584 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4585 ffio_wfourcc(pb, "iso4");
4586 else if (mov->mode == MODE_MP4)
4587 ffio_wfourcc(pb, "isom");
4588 else if (mov->mode == MODE_IPOD)
4589 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
4590 else if (mov->mode == MODE_ISM)
4591 ffio_wfourcc(pb, "isml");
4592 else if (mov->mode == MODE_F4V)
4593 ffio_wfourcc(pb, "f4v ");
4595 ffio_wfourcc(pb, "qt ");
4597 avio_wb32(pb, minor);
4599 if (mov->mode == MODE_MOV)
4600 ffio_wfourcc(pb, "qt ");
4601 else if (mov->mode == MODE_ISM) {
4602 ffio_wfourcc(pb, "piff");
4603 } else if (!(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)) {
4604 ffio_wfourcc(pb, "isom");
4605 ffio_wfourcc(pb, "iso2");
4607 ffio_wfourcc(pb, "avc1");
4610 // We add tfdt atoms when fragmenting, signal this with the iso6 compatible
4611 // brand. This is compatible with users that don't understand tfdt.
4612 if (mov->flags & FF_MOV_FLAG_FRAGMENT && mov->mode != MODE_ISM)
4613 ffio_wfourcc(pb, "iso6");
4615 if (mov->mode == MODE_3GP)
4616 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
4617 else if (mov->mode & MODE_3G2)
4618 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
4619 else if (mov->mode == MODE_PSP)
4620 ffio_wfourcc(pb, "MSNV");
4621 else if (mov->mode == MODE_MP4)
4622 ffio_wfourcc(pb, "mp41");
4624 if (mov->flags & FF_MOV_FLAG_DASH && mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
4625 ffio_wfourcc(pb, "dash");
4627 return update_size(pb, pos);
4630 static int mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
4632 AVStream *video_st = s->streams[0];
4633 AVCodecParameters *video_par = s->streams[0]->codecpar;
4634 AVCodecParameters *audio_par = s->streams[1]->codecpar;
4635 int audio_rate = audio_par->sample_rate;
4636 int64_t frame_rate = video_st->avg_frame_rate.den ?
4637 (video_st->avg_frame_rate.num * 0x10000LL) / video_st->avg_frame_rate.den :
4639 int audio_kbitrate = audio_par->bit_rate / 1000;
4640 int video_kbitrate = FFMIN(video_par->bit_rate / 1000, 800 - audio_kbitrate);
4642 if (frame_rate < 0 || frame_rate > INT32_MAX) {
4643 av_log(s, AV_LOG_ERROR, "Frame rate %f outside supported range\n", frame_rate / (double)0x10000);
4644 return AVERROR(EINVAL);
4647 avio_wb32(pb, 0x94); /* size */
4648 ffio_wfourcc(pb, "uuid");
4649 ffio_wfourcc(pb, "PROF");
4651 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
4652 avio_wb32(pb, 0xbb88695c);
4653 avio_wb32(pb, 0xfac9c740);
4655 avio_wb32(pb, 0x0); /* ? */
4656 avio_wb32(pb, 0x3); /* 3 sections ? */
4658 avio_wb32(pb, 0x14); /* size */
4659 ffio_wfourcc(pb, "FPRF");
4660 avio_wb32(pb, 0x0); /* ? */
4661 avio_wb32(pb, 0x0); /* ? */
4662 avio_wb32(pb, 0x0); /* ? */
4664 avio_wb32(pb, 0x2c); /* size */
4665 ffio_wfourcc(pb, "APRF"); /* audio */
4667 avio_wb32(pb, 0x2); /* TrackID */
4668 ffio_wfourcc(pb, "mp4a");
4669 avio_wb32(pb, 0x20f);
4671 avio_wb32(pb, audio_kbitrate);
4672 avio_wb32(pb, audio_kbitrate);
4673 avio_wb32(pb, audio_rate);
4674 avio_wb32(pb, audio_par->channels);
4676 avio_wb32(pb, 0x34); /* size */
4677 ffio_wfourcc(pb, "VPRF"); /* video */
4679 avio_wb32(pb, 0x1); /* TrackID */
4680 if (video_par->codec_id == AV_CODEC_ID_H264) {
4681 ffio_wfourcc(pb, "avc1");
4682 avio_wb16(pb, 0x014D);
4683 avio_wb16(pb, 0x0015);
4685 ffio_wfourcc(pb, "mp4v");
4686 avio_wb16(pb, 0x0000);
4687 avio_wb16(pb, 0x0103);
4690 avio_wb32(pb, video_kbitrate);
4691 avio_wb32(pb, video_kbitrate);
4692 avio_wb32(pb, frame_rate);
4693 avio_wb32(pb, frame_rate);
4694 avio_wb16(pb, video_par->width);
4695 avio_wb16(pb, video_par->height);
4696 avio_wb32(pb, 0x010001); /* ? */
4701 static int mov_write_identification(AVIOContext *pb, AVFormatContext *s)
4703 MOVMuxContext *mov = s->priv_data;
4706 mov_write_ftyp_tag(pb,s);
4707 if (mov->mode == MODE_PSP) {
4708 int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
4709 for (i = 0; i < s->nb_streams; i++) {
4710 AVStream *st = s->streams[i];
4711 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
4713 else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
4719 if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
4720 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
4721 return AVERROR(EINVAL);
4723 return mov_write_uuidprof_tag(pb, s);
4728 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
4731 int i, closed_gop = 0;
4733 for (i = 0; i < pkt->size - 4; i++) {
4734 c = (c << 8) + pkt->data[i];
4735 if (c == 0x1b8) { // gop
4736 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
4737 } else if (c == 0x100) { // pic
4738 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
4739 if (!temp_ref || closed_gop) // I picture is not reordered
4740 *flags = MOV_SYNC_SAMPLE;
4742 *flags = MOV_PARTIAL_SYNC_SAMPLE;
4749 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk)
4751 const uint8_t *start, *next, *end = pkt->data + pkt->size;
4752 int seq = 0, entry = 0;
4753 int key = pkt->flags & AV_PKT_FLAG_KEY;
4754 start = find_next_marker(pkt->data, end);
4755 for (next = start; next < end; start = next) {
4756 next = find_next_marker(start + 4, end);
4757 switch (AV_RB32(start)) {
4758 case VC1_CODE_SEQHDR:
4761 case VC1_CODE_ENTRYPOINT:
4764 case VC1_CODE_SLICE:
4765 trk->vc1_info.slices = 1;
4769 if (!trk->entry && trk->vc1_info.first_packet_seen)
4770 trk->vc1_info.first_frag_written = 1;
4771 if (!trk->entry && !trk->vc1_info.first_frag_written) {
4772 /* First packet in first fragment */
4773 trk->vc1_info.first_packet_seq = seq;
4774 trk->vc1_info.first_packet_entry = entry;
4775 trk->vc1_info.first_packet_seen = 1;
4776 } else if ((seq && !trk->vc1_info.packet_seq) ||
4777 (entry && !trk->vc1_info.packet_entry)) {
4779 for (i = 0; i < trk->entry; i++)
4780 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
4781 trk->has_keyframes = 0;
4783 trk->vc1_info.packet_seq = 1;
4785 trk->vc1_info.packet_entry = 1;
4786 if (!trk->vc1_info.first_frag_written) {
4787 /* First fragment */
4788 if ((!seq || trk->vc1_info.first_packet_seq) &&
4789 (!entry || trk->vc1_info.first_packet_entry)) {
4790 /* First packet had the same headers as this one, readd the
4791 * sync sample flag. */
4792 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
4793 trk->has_keyframes = 1;
4797 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
4799 else if (trk->vc1_info.packet_seq)
4801 else if (trk->vc1_info.packet_entry)
4804 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
4805 trk->has_keyframes++;
4809 static int mov_flush_fragment_interleaving(AVFormatContext *s, MOVTrack *track)
4811 MOVMuxContext *mov = s->priv_data;
4816 if (!track->mdat_buf)
4818 if (!mov->mdat_buf) {
4819 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
4822 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
4823 track->mdat_buf = NULL;
4825 offset = avio_tell(mov->mdat_buf);
4826 avio_write(mov->mdat_buf, buf, buf_size);
4829 for (i = track->entries_flushed; i < track->entry; i++)
4830 track->cluster[i].pos += offset;
4831 track->entries_flushed = track->entry;
4835 static int mov_flush_fragment(AVFormatContext *s, int force)
4837 MOVMuxContext *mov = s->priv_data;
4838 int i, first_track = -1;
4839 int64_t mdat_size = 0;
4841 int has_video = 0, starts_with_key = 0, first_video_track = 1;
4843 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
4846 // Try to fill in the duration of the last packet in each stream
4847 // from queued packets in the interleave queues. If the flushing
4848 // of fragments was triggered automatically by an AVPacket, we
4849 // already have reliable info for the end of that track, but other
4850 // tracks may need to be filled in.
4851 for (i = 0; i < s->nb_streams; i++) {
4852 MOVTrack *track = &mov->tracks[i];
4853 if (!track->end_reliable) {
4855 if (!ff_interleaved_peek(s, i, &pkt, 1)) {
4856 if (track->dts_shift != AV_NOPTS_VALUE)
4857 pkt.dts += track->dts_shift;
4858 track->track_duration = pkt.dts - track->start_dts;
4859 if (pkt.pts != AV_NOPTS_VALUE)
4860 track->end_pts = pkt.pts;
4862 track->end_pts = pkt.dts;
4867 for (i = 0; i < mov->nb_streams; i++) {
4868 MOVTrack *track = &mov->tracks[i];
4869 if (track->entry <= 1)
4871 // Sample durations are calculated as the diff of dts values,
4872 // but for the last sample in a fragment, we don't know the dts
4873 // of the first sample in the next fragment, so we have to rely
4874 // on what was set as duration in the AVPacket. Not all callers
4875 // set this though, so we might want to replace it with an
4876 // estimate if it currently is zero.
4877 if (get_cluster_duration(track, track->entry - 1) != 0)
4879 // Use the duration (i.e. dts diff) of the second last sample for
4880 // the last one. This is a wild guess (and fatal if it turns out
4881 // to be too long), but probably the best we can do - having a zero
4882 // duration is bad as well.
4883 track->track_duration += get_cluster_duration(track, track->entry - 2);
4884 track->end_pts += get_cluster_duration(track, track->entry - 2);
4885 if (!mov->missing_duration_warned) {
4886 av_log(s, AV_LOG_WARNING,
4887 "Estimating the duration of the last packet in a "
4888 "fragment, consider setting the duration field in "
4889 "AVPacket instead.\n");
4890 mov->missing_duration_warned = 1;
4894 if (!mov->moov_written) {
4895 int64_t pos = avio_tell(s->pb);
4897 int buf_size, moov_size;
4899 for (i = 0; i < mov->nb_streams; i++)
4900 if (!mov->tracks[i].entry)
4902 /* Don't write the initial moov unless all tracks have data */
4903 if (i < mov->nb_streams && !force)
4906 moov_size = get_moov_size(s);
4907 for (i = 0; i < mov->nb_streams; i++)
4908 mov->tracks[i].data_offset = pos + moov_size + 8;
4910 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_HEADER);
4911 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
4912 mov_write_identification(s->pb, s);
4913 if ((ret = mov_write_moov_tag(s->pb, mov, s)) < 0)
4916 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV) {
4917 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
4918 mov->reserved_header_pos = avio_tell(s->pb);
4920 mov->moov_written = 1;
4924 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
4925 mov->mdat_buf = NULL;
4926 avio_wb32(s->pb, buf_size + 8);
4927 ffio_wfourcc(s->pb, "mdat");
4928 avio_write(s->pb, buf, buf_size);
4931 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
4932 mov->reserved_header_pos = avio_tell(s->pb);
4934 mov->moov_written = 1;
4936 for (i = 0; i < mov->nb_streams; i++) {
4937 if (mov->tracks[i].entry)
4938 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
4939 mov->tracks[i].track_duration -
4940 mov->tracks[i].cluster[0].dts;
4941 mov->tracks[i].entry = 0;
4942 mov->tracks[i].end_reliable = 0;
4948 if (mov->frag_interleave) {
4949 for (i = 0; i < mov->nb_streams; i++) {
4950 MOVTrack *track = &mov->tracks[i];
4952 if ((ret = mov_flush_fragment_interleaving(s, track)) < 0)
4958 mdat_size = avio_tell(mov->mdat_buf);
4961 for (i = 0; i < mov->nb_streams; i++) {
4962 MOVTrack *track = &mov->tracks[i];
4963 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF || mov->frag_interleave)
4964 track->data_offset = 0;
4966 track->data_offset = mdat_size;
4967 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
4969 if (first_video_track) {
4971 starts_with_key = track->cluster[0].flags & MOV_SYNC_SAMPLE;
4972 first_video_track = 0;
4977 if (track->mdat_buf)
4978 mdat_size += avio_tell(track->mdat_buf);
4979 if (first_track < 0)
4986 avio_write_marker(s->pb,
4987 av_rescale(mov->tracks[first_track].cluster[0].dts, AV_TIME_BASE, mov->tracks[first_track].timescale),
4988 (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);
4990 for (i = 0; i < mov->nb_streams; i++) {
4991 MOVTrack *track = &mov->tracks[i];
4992 int buf_size, write_moof = 1, moof_tracks = -1;
4994 int64_t duration = 0;
4997 duration = track->start_dts + track->track_duration -
4998 track->cluster[0].dts;
4999 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
5000 if (!track->mdat_buf)
5002 mdat_size = avio_tell(track->mdat_buf);
5005 write_moof = i == first_track;
5011 mov_write_moof_tag(s->pb, mov, moof_tracks, mdat_size);
5014 avio_wb32(s->pb, mdat_size + 8);
5015 ffio_wfourcc(s->pb, "mdat");
5019 track->frag_start += duration;
5021 track->entries_flushed = 0;
5022 track->end_reliable = 0;
5023 if (!mov->frag_interleave) {
5024 if (!track->mdat_buf)
5026 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
5027 track->mdat_buf = NULL;
5031 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
5032 mov->mdat_buf = NULL;
5035 avio_write(s->pb, buf, buf_size);
5045 static int mov_auto_flush_fragment(AVFormatContext *s, int force)
5047 MOVMuxContext *mov = s->priv_data;
5048 int had_moov = mov->moov_written;
5049 int ret = mov_flush_fragment(s, force);
5052 // If using delay_moov, the first flush only wrote the moov,
5053 // not the actual moof+mdat pair, thus flush once again.
5054 if (!had_moov && mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5055 ret = mov_flush_fragment(s, force);
5059 static int check_pkt(AVFormatContext *s, AVPacket *pkt)
5061 MOVMuxContext *mov = s->priv_data;
5062 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5067 ref = trk->cluster[trk->entry - 1].dts;
5068 } else if ( trk->start_dts != AV_NOPTS_VALUE
5069 && !trk->frag_discont) {
5070 ref = trk->start_dts + trk->track_duration;
5072 ref = pkt->dts; // Skip tests for the first packet
5074 if (trk->dts_shift != AV_NOPTS_VALUE) {
5075 /* With negative CTS offsets we have set an offset to the DTS,
5076 * reverse this for the check. */
5077 ref -= trk->dts_shift;
5080 duration = pkt->dts - ref;
5081 if (pkt->dts < ref || duration >= INT_MAX) {
5082 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n",
5087 pkt->pts = AV_NOPTS_VALUE;
5090 if (pkt->duration < 0 || pkt->duration > INT_MAX) {
5091 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" is invalid\n", pkt->duration);
5092 return AVERROR(EINVAL);
5097 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
5099 MOVMuxContext *mov = s->priv_data;
5100 AVIOContext *pb = s->pb;
5101 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5102 AVCodecParameters *par = trk->par;
5103 unsigned int samples_in_chunk = 0;
5104 int size = pkt->size, ret = 0;
5105 uint8_t *reformatted_data = NULL;
5107 ret = check_pkt(s, pkt);
5111 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
5113 if (mov->moov_written || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
5114 if (mov->frag_interleave && mov->fragments > 0) {
5115 if (trk->entry - trk->entries_flushed >= mov->frag_interleave) {
5116 if ((ret = mov_flush_fragment_interleaving(s, trk)) < 0)
5121 if (!trk->mdat_buf) {
5122 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
5127 if (!mov->mdat_buf) {
5128 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
5135 if (par->codec_id == AV_CODEC_ID_AMR_NB) {
5136 /* We must find out how many AMR blocks there are in one packet */
5137 static const uint16_t packed_size[16] =
5138 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
5141 while (len < size && samples_in_chunk < 100) {
5142 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
5145 if (samples_in_chunk > 1) {
5146 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
5149 } else if (par->codec_id == AV_CODEC_ID_ADPCM_MS ||
5150 par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
5151 samples_in_chunk = trk->par->frame_size;
5152 } else if (trk->sample_size)
5153 samples_in_chunk = size / trk->sample_size;
5155 samples_in_chunk = 1;
5157 /* copy extradata if it exists */
5158 if (trk->vos_len == 0 && par->extradata_size > 0 &&
5159 !TAG_IS_AVCI(trk->tag) &&
5160 (par->codec_id != AV_CODEC_ID_DNXHD)) {
5161 trk->vos_len = par->extradata_size;
5162 trk->vos_data = av_malloc(trk->vos_len);
5163 if (!trk->vos_data) {
5164 ret = AVERROR(ENOMEM);
5167 memcpy(trk->vos_data, par->extradata, trk->vos_len);
5170 if (par->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
5171 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
5172 if (!s->streams[pkt->stream_index]->nb_frames) {
5173 av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
5174 "use the audio bitstream filter 'aac_adtstoasc' to fix it "
5175 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
5178 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
5180 if (par->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1 && !TAG_IS_AVCI(trk->tag)) {
5181 /* from x264 or from bytestream H.264 */
5182 /* NAL reformatting needed */
5183 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5184 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
5186 avio_write(pb, reformatted_data, size);
5188 if (trk->cenc.aes_ctr) {
5189 size = ff_mov_cenc_avc_parse_nal_units(&trk->cenc, pb, pkt->data, size);
5195 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
5198 } else if (par->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
5199 (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
5200 /* extradata is Annex B, assume the bitstream is too and convert it */
5201 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5202 ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data, &size, 0, NULL);
5203 avio_write(pb, reformatted_data, size);
5205 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
5207 #if CONFIG_AC3_PARSER
5208 } else if (par->codec_id == AV_CODEC_ID_EAC3) {
5209 size = handle_eac3(mov, pkt, trk);
5214 avio_write(pb, pkt->data, size);
5217 if (trk->cenc.aes_ctr) {
5218 if (par->codec_id == AV_CODEC_ID_H264 && par->extradata_size > 4) {
5219 int nal_size_length = (par->extradata[4] & 0x3) + 1;
5220 ret = ff_mov_cenc_avc_write_nal_units(s, &trk->cenc, nal_size_length, pb, pkt->data, size);
5222 ret = ff_mov_cenc_write_packet(&trk->cenc, pb, pkt->data, size);
5229 avio_write(pb, pkt->data, size);
5233 if ((par->codec_id == AV_CODEC_ID_DNXHD ||
5234 par->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
5235 /* copy frame to create needed atoms */
5236 trk->vos_len = size;
5237 trk->vos_data = av_malloc(size);
5238 if (!trk->vos_data) {
5239 ret = AVERROR(ENOMEM);
5242 memcpy(trk->vos_data, pkt->data, size);
5245 if (trk->entry >= trk->cluster_capacity) {
5246 unsigned new_capacity = 2 * (trk->entry + MOV_INDEX_CLUSTER_SIZE);
5247 if (av_reallocp_array(&trk->cluster, new_capacity,
5248 sizeof(*trk->cluster))) {
5249 ret = AVERROR(ENOMEM);
5252 trk->cluster_capacity = new_capacity;
5255 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
5256 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
5257 trk->cluster[trk->entry].chunkNum = 0;
5258 trk->cluster[trk->entry].size = size;
5259 trk->cluster[trk->entry].entries = samples_in_chunk;
5260 trk->cluster[trk->entry].dts = pkt->dts;
5261 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
5262 if (!trk->frag_discont) {
5263 /* First packet of a new fragment. We already wrote the duration
5264 * of the last packet of the previous fragment based on track_duration,
5265 * which might not exactly match our dts. Therefore adjust the dts
5266 * of this packet to be what the previous packets duration implies. */
5267 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
5268 /* We also may have written the pts and the corresponding duration
5269 * in sidx/tfrf/tfxd tags; make sure the sidx pts and duration match up with
5270 * the next fragment. This means the cts of the first sample must
5271 * be the same in all fragments, unless end_pts was updated by
5272 * the packet causing the fragment to be written. */
5273 if ((mov->flags & FF_MOV_FLAG_DASH && !(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)) ||
5274 mov->mode == MODE_ISM)
5275 pkt->pts = pkt->dts + trk->end_pts - trk->cluster[trk->entry].dts;
5277 /* New fragment, but discontinuous from previous fragments.
5278 * Pretend the duration sum of the earlier fragments is
5279 * pkt->dts - trk->start_dts. */
5280 trk->frag_start = pkt->dts - trk->start_dts;
5281 trk->end_pts = AV_NOPTS_VALUE;
5282 trk->frag_discont = 0;
5286 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !mov->use_editlist &&
5287 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO) {
5288 /* Not using edit lists and shifting the first track to start from zero.
5289 * If the other streams start from a later timestamp, we won't be able
5290 * to signal the difference in starting time without an edit list.
5291 * Thus move the timestamp for this first sample to 0, increasing
5292 * its duration instead. */
5293 trk->cluster[trk->entry].dts = trk->start_dts = 0;
5295 if (trk->start_dts == AV_NOPTS_VALUE) {
5296 trk->start_dts = pkt->dts;
5297 if (trk->frag_discont) {
5298 if (mov->use_editlist) {
5299 /* Pretend the whole stream started at pts=0, with earlier fragments
5300 * already written. If the stream started at pts=0, the duration sum
5301 * of earlier fragments would have been pkt->pts. */
5302 trk->frag_start = pkt->pts;
5303 trk->start_dts = pkt->dts - pkt->pts;
5305 /* Pretend the whole stream started at dts=0, with earlier fragments
5306 * already written, with a duration summing up to pkt->dts. */
5307 trk->frag_start = pkt->dts;
5310 trk->frag_discont = 0;
5311 } else if (pkt->dts && mov->moov_written)
5312 av_log(s, AV_LOG_WARNING,
5313 "Track %d starts with a nonzero dts %"PRId64", while the moov "
5314 "already has been written. Set the delay_moov flag to handle "
5316 pkt->stream_index, pkt->dts);
5318 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
5319 trk->last_sample_is_subtitle_end = 0;
5321 if (pkt->pts == AV_NOPTS_VALUE) {
5322 av_log(s, AV_LOG_WARNING, "pts has no value\n");
5323 pkt->pts = pkt->dts;
5325 if (pkt->dts != pkt->pts)
5326 trk->flags |= MOV_TRACK_CTTS;
5327 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
5328 trk->cluster[trk->entry].flags = 0;
5329 if (trk->start_cts == AV_NOPTS_VALUE)
5330 trk->start_cts = pkt->pts - pkt->dts;
5331 if (trk->end_pts == AV_NOPTS_VALUE)
5332 trk->end_pts = trk->cluster[trk->entry].dts +
5333 trk->cluster[trk->entry].cts + pkt->duration;
5335 trk->end_pts = FFMAX(trk->end_pts, trk->cluster[trk->entry].dts +
5336 trk->cluster[trk->entry].cts +
5339 if (par->codec_id == AV_CODEC_ID_VC1) {
5340 mov_parse_vc1_frame(pkt, trk);
5341 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
5342 if (mov->mode == MODE_MOV && par->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
5343 trk->entry > 0) { // force sync sample for the first key frame
5344 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
5345 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
5346 trk->flags |= MOV_TRACK_STPS;
5348 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
5350 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
5351 trk->has_keyframes++;
5353 if (pkt->flags & AV_PKT_FLAG_DISPOSABLE) {
5354 trk->cluster[trk->entry].flags |= MOV_DISPOSABLE_SAMPLE;
5355 trk->has_disposable++;
5358 trk->sample_count += samples_in_chunk;
5359 mov->mdat_size += size;
5361 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
5362 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
5363 reformatted_data, size);
5368 av_free(reformatted_data);
5372 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
5374 MOVMuxContext *mov = s->priv_data;
5375 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5376 AVCodecParameters *par = trk->par;
5377 int64_t frag_duration = 0;
5378 int size = pkt->size;
5380 int ret = check_pkt(s, pkt);
5384 if (mov->flags & FF_MOV_FLAG_FRAG_DISCONT) {
5386 for (i = 0; i < s->nb_streams; i++)
5387 mov->tracks[i].frag_discont = 1;
5388 mov->flags &= ~FF_MOV_FLAG_FRAG_DISCONT;
5391 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS) {
5392 if (trk->dts_shift == AV_NOPTS_VALUE)
5393 trk->dts_shift = pkt->pts - pkt->dts;
5394 pkt->dts += trk->dts_shift;
5397 if (trk->par->codec_id == AV_CODEC_ID_MP4ALS ||
5398 trk->par->codec_id == AV_CODEC_ID_AAC ||
5399 trk->par->codec_id == AV_CODEC_ID_FLAC) {
5401 uint8_t *side = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, &side_size);
5402 if (side && side_size > 0 && (side_size != par->extradata_size || memcmp(side, par->extradata, side_size))) {
5403 void *newextra = av_mallocz(side_size + AV_INPUT_BUFFER_PADDING_SIZE);
5405 return AVERROR(ENOMEM);
5406 av_free(par->extradata);
5407 par->extradata = newextra;
5408 memcpy(par->extradata, side, side_size);
5409 par->extradata_size = side_size;
5410 if (!pkt->size) // Flush packet
5411 mov->need_rewrite_extradata = 1;
5416 if (trk->start_dts == AV_NOPTS_VALUE && trk->frag_discont) {
5417 trk->start_dts = pkt->dts;
5418 if (pkt->pts != AV_NOPTS_VALUE)
5419 trk->start_cts = pkt->pts - pkt->dts;
5424 return 0; /* Discard 0 sized packets */
5427 if (trk->entry && pkt->stream_index < s->nb_streams)
5428 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
5429 s->streams[pkt->stream_index]->time_base,
5431 if ((mov->max_fragment_duration &&
5432 frag_duration >= mov->max_fragment_duration) ||
5433 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
5434 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
5435 par->codec_type == AVMEDIA_TYPE_VIDEO &&
5436 trk->entry && pkt->flags & AV_PKT_FLAG_KEY) ||
5437 (mov->flags & FF_MOV_FLAG_FRAG_EVERY_FRAME)) {
5438 if (frag_duration >= mov->min_fragment_duration) {
5439 // Set the duration of this track to line up with the next
5440 // sample in this track. This avoids relying on AVPacket
5441 // duration, but only helps for this particular track, not
5442 // for the other ones that are flushed at the same time.
5443 trk->track_duration = pkt->dts - trk->start_dts;
5444 if (pkt->pts != AV_NOPTS_VALUE)
5445 trk->end_pts = pkt->pts;
5447 trk->end_pts = pkt->dts;
5448 trk->end_reliable = 1;
5449 mov_auto_flush_fragment(s, 0);
5453 return ff_mov_write_packet(s, pkt);
5456 static int mov_write_subtitle_end_packet(AVFormatContext *s,
5460 uint8_t data[2] = {0};
5463 av_init_packet(&end);
5464 end.size = sizeof(data);
5469 end.stream_index = stream_index;
5471 ret = mov_write_single_packet(s, &end);
5472 av_packet_unref(&end);
5477 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
5480 mov_flush_fragment(s, 1);
5484 MOVMuxContext *mov = s->priv_data;
5485 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5488 return mov_write_single_packet(s, pkt); /* Passthrough. */
5491 * Subtitles require special handling.
5493 * 1) For full complaince, every track must have a sample at
5494 * dts == 0, which is rarely true for subtitles. So, as soon
5495 * as we see any packet with dts > 0, write an empty subtitle
5496 * at dts == 0 for any subtitle track with no samples in it.
5498 * 2) For each subtitle track, check if the current packet's
5499 * dts is past the duration of the last subtitle sample. If
5500 * so, we now need to write an end sample for that subtitle.
5502 * This must be done conditionally to allow for subtitles that
5503 * immediately replace each other, in which case an end sample
5504 * is not needed, and is, in fact, actively harmful.
5506 * 3) See mov_write_trailer for how the final end sample is
5509 for (i = 0; i < mov->nb_streams; i++) {
5510 MOVTrack *trk = &mov->tracks[i];
5513 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
5514 trk->track_duration < pkt->dts &&
5515 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
5516 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
5517 if (ret < 0) return ret;
5518 trk->last_sample_is_subtitle_end = 1;
5522 if (trk->mode == MODE_MOV && trk->par->codec_type == AVMEDIA_TYPE_VIDEO) {
5523 AVPacket *opkt = pkt;
5524 int reshuffle_ret, ret;
5525 if (trk->is_unaligned_qt_rgb) {
5526 int64_t bpc = trk->par->bits_per_coded_sample != 15 ? trk->par->bits_per_coded_sample : 16;
5527 int expected_stride = ((trk->par->width * bpc + 15) >> 4)*2;
5528 reshuffle_ret = ff_reshuffle_raw_rgb(s, &pkt, trk->par, expected_stride);
5529 if (reshuffle_ret < 0)
5530 return reshuffle_ret;
5533 if (trk->par->format == AV_PIX_FMT_PAL8 && !trk->pal_done) {
5534 ret = ff_get_packet_palette(s, opkt, reshuffle_ret, trk->palette);
5539 } else if (trk->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
5540 (trk->par->format == AV_PIX_FMT_GRAY8 ||
5541 trk->par->format == AV_PIX_FMT_MONOBLACK)) {
5542 for (i = 0; i < pkt->size; i++)
5543 pkt->data[i] = ~pkt->data[i];
5545 if (reshuffle_ret) {
5546 ret = mov_write_single_packet(s, pkt);
5549 av_packet_free(&pkt);
5554 return mov_write_single_packet(s, pkt);
5558 // QuickTime chapters involve an additional text track with the chapter names
5559 // as samples, and a tref pointing from the other tracks to the chapter one.
5560 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
5564 MOVMuxContext *mov = s->priv_data;
5565 MOVTrack *track = &mov->tracks[tracknum];
5566 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
5569 track->mode = mov->mode;
5570 track->tag = MKTAG('t','e','x','t');
5571 track->timescale = MOV_TIMESCALE;
5572 track->par = avcodec_parameters_alloc();
5574 return AVERROR(ENOMEM);
5575 track->par->codec_type = AVMEDIA_TYPE_SUBTITLE;
5577 // These properties are required to make QT recognize the chapter track
5578 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
5579 if (ff_alloc_extradata(track->par, sizeof(chapter_properties)))
5580 return AVERROR(ENOMEM);
5581 memcpy(track->par->extradata, chapter_properties, sizeof(chapter_properties));
5583 if (avio_open_dyn_buf(&pb) >= 0) {
5587 /* Stub header (usually for Quicktime chapter track) */
5589 avio_wb32(pb, 0x01); // displayFlags
5590 avio_w8(pb, 0x00); // horizontal justification
5591 avio_w8(pb, 0x00); // vertical justification
5592 avio_w8(pb, 0x00); // bgColourRed
5593 avio_w8(pb, 0x00); // bgColourGreen
5594 avio_w8(pb, 0x00); // bgColourBlue
5595 avio_w8(pb, 0x00); // bgColourAlpha
5597 avio_wb16(pb, 0x00); // defTextBoxTop
5598 avio_wb16(pb, 0x00); // defTextBoxLeft
5599 avio_wb16(pb, 0x00); // defTextBoxBottom
5600 avio_wb16(pb, 0x00); // defTextBoxRight
5602 avio_wb16(pb, 0x00); // startChar
5603 avio_wb16(pb, 0x00); // endChar
5604 avio_wb16(pb, 0x01); // fontID
5605 avio_w8(pb, 0x00); // fontStyleFlags
5606 avio_w8(pb, 0x00); // fontSize
5607 avio_w8(pb, 0x00); // fgColourRed
5608 avio_w8(pb, 0x00); // fgColourGreen
5609 avio_w8(pb, 0x00); // fgColourBlue
5610 avio_w8(pb, 0x00); // fgColourAlpha
5612 avio_wb32(pb, 0x0D); // box size
5613 ffio_wfourcc(pb, "ftab"); // box atom name
5614 avio_wb16(pb, 0x01); // entry count
5616 avio_wb16(pb, 0x01); // font ID
5617 avio_w8(pb, 0x00); // font name length
5619 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
5620 track->par->extradata = buf;
5621 track->par->extradata_size = size;
5628 for (i = 0; i < s->nb_chapters; i++) {
5629 AVChapter *c = s->chapters[i];
5630 AVDictionaryEntry *t;
5632 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
5633 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
5634 pkt.duration = end - pkt.dts;
5636 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
5637 static const char encd[12] = {
5638 0x00, 0x00, 0x00, 0x0C,
5640 0x00, 0x00, 0x01, 0x00 };
5641 len = strlen(t->value);
5642 pkt.size = len + 2 + 12;
5643 pkt.data = av_malloc(pkt.size);
5645 return AVERROR(ENOMEM);
5646 AV_WB16(pkt.data, len);
5647 memcpy(pkt.data + 2, t->value, len);
5648 memcpy(pkt.data + len + 2, encd, sizeof(encd));
5649 ff_mov_write_packet(s, &pkt);
5650 av_freep(&pkt.data);
5658 static int mov_check_timecode_track(AVFormatContext *s, AVTimecode *tc, int src_index, const char *tcstr)
5662 /* compute the frame number */
5663 ret = av_timecode_init_from_string(tc, find_fps(s, s->streams[src_index]), tcstr, s);
5667 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, AVTimecode tc)
5670 MOVMuxContext *mov = s->priv_data;
5671 MOVTrack *track = &mov->tracks[index];
5672 AVStream *src_st = s->streams[src_index];
5673 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
5674 AVRational rate = find_fps(s, src_st);
5676 /* tmcd track based on video stream */
5677 track->mode = mov->mode;
5678 track->tag = MKTAG('t','m','c','d');
5679 track->src_track = src_index;
5680 track->timescale = mov->tracks[src_index].timescale;
5681 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
5682 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
5684 /* set st to src_st for metadata access*/
5687 /* encode context: tmcd data stream */
5688 track->par = avcodec_parameters_alloc();
5690 return AVERROR(ENOMEM);
5691 track->par->codec_type = AVMEDIA_TYPE_DATA;
5692 track->par->codec_tag = track->tag;
5693 track->st->avg_frame_rate = av_inv_q(rate);
5695 /* the tmcd track just contains one packet with the frame number */
5696 pkt.data = av_malloc(pkt.size);
5698 return AVERROR(ENOMEM);
5699 AV_WB32(pkt.data, tc.start);
5700 ret = ff_mov_write_packet(s, &pkt);
5706 * st->disposition controls the "enabled" flag in the tkhd tag.
5707 * QuickTime will not play a track if it is not enabled. So make sure
5708 * that one track of each type (audio, video, subtitle) is enabled.
5710 * Subtitles are special. For audio and video, setting "enabled" also
5711 * makes the track "default" (i.e. it is rendered when played). For
5712 * subtitles, an "enabled" subtitle is not rendered by default, but
5713 * if no subtitle is enabled, the subtitle menu in QuickTime will be
5716 static void enable_tracks(AVFormatContext *s)
5718 MOVMuxContext *mov = s->priv_data;
5720 int enabled[AVMEDIA_TYPE_NB];
5721 int first[AVMEDIA_TYPE_NB];
5723 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
5728 for (i = 0; i < s->nb_streams; i++) {
5729 AVStream *st = s->streams[i];
5731 if (st->codecpar->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
5732 st->codecpar->codec_type >= AVMEDIA_TYPE_NB)
5735 if (first[st->codecpar->codec_type] < 0)
5736 first[st->codecpar->codec_type] = i;
5737 if (st->disposition & AV_DISPOSITION_DEFAULT) {
5738 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
5739 enabled[st->codecpar->codec_type]++;
5743 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
5745 case AVMEDIA_TYPE_VIDEO:
5746 case AVMEDIA_TYPE_AUDIO:
5747 case AVMEDIA_TYPE_SUBTITLE:
5749 mov->per_stream_grouping = 1;
5750 if (!enabled[i] && first[i] >= 0)
5751 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
5757 static void mov_free(AVFormatContext *s)
5759 MOVMuxContext *mov = s->priv_data;
5762 if (mov->chapter_track) {
5763 if (mov->tracks[mov->chapter_track].par)
5764 av_freep(&mov->tracks[mov->chapter_track].par->extradata);
5765 av_freep(&mov->tracks[mov->chapter_track].par);
5768 for (i = 0; i < mov->nb_streams; i++) {
5769 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
5770 ff_mov_close_hinting(&mov->tracks[i]);
5771 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
5772 av_freep(&mov->tracks[i].par);
5773 av_freep(&mov->tracks[i].cluster);
5774 av_freep(&mov->tracks[i].frag_info);
5776 if (mov->tracks[i].vos_len)
5777 av_freep(&mov->tracks[i].vos_data);
5779 ff_mov_cenc_free(&mov->tracks[i].cenc);
5782 av_freep(&mov->tracks);
5785 static uint32_t rgb_to_yuv(uint32_t rgb)
5790 r = (rgb >> 16) & 0xFF;
5791 g = (rgb >> 8) & 0xFF;
5794 y = av_clip_uint8(( 16000 + 257 * r + 504 * g + 98 * b)/1000);
5795 cb = av_clip_uint8((128000 - 148 * r - 291 * g + 439 * b)/1000);
5796 cr = av_clip_uint8((128000 + 439 * r - 368 * g - 71 * b)/1000);
5798 return (y << 16) | (cr << 8) | cb;
5801 static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track,
5804 int i, width = 720, height = 480;
5805 int have_palette = 0, have_size = 0;
5806 uint32_t palette[16];
5807 char *cur = st->codecpar->extradata;
5809 while (cur && *cur) {
5810 if (strncmp("palette:", cur, 8) == 0) {
5812 count = sscanf(cur + 8,
5813 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
5814 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
5815 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
5816 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
5817 &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
5818 &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
5819 &palette[ 8], &palette[ 9], &palette[10], &palette[11],
5820 &palette[12], &palette[13], &palette[14], &palette[15]);
5822 for (i = 0; i < count; i++) {
5823 palette[i] = rgb_to_yuv(palette[i]);
5826 } else if (!strncmp("size:", cur, 5)) {
5827 sscanf(cur + 5, "%dx%d", &width, &height);
5830 if (have_palette && have_size)
5832 cur += strcspn(cur, "\n\r");
5833 cur += strspn(cur, "\n\r");
5836 track->vos_data = av_malloc(16*4);
5837 if (!track->vos_data)
5838 return AVERROR(ENOMEM);
5839 for (i = 0; i < 16; i++) {
5840 AV_WB32(track->vos_data + i * 4, palette[i]);
5842 track->vos_len = 16 * 4;
5844 st->codecpar->width = width;
5845 st->codecpar->height = track->height = height;
5850 static int mov_init(AVFormatContext *s)
5852 MOVMuxContext *mov = s->priv_data;
5853 AVDictionaryEntry *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
5858 /* Default mode == MP4 */
5859 mov->mode = MODE_MP4;
5862 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
5863 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
5864 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
5865 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
5866 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
5867 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
5868 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
5871 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5872 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV;
5874 /* Set the FRAGMENT flag if any of the fragmentation methods are
5876 if (mov->max_fragment_duration || mov->max_fragment_size ||
5877 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
5878 FF_MOV_FLAG_FRAG_KEYFRAME |
5879 FF_MOV_FLAG_FRAG_CUSTOM |
5880 FF_MOV_FLAG_FRAG_EVERY_FRAME))
5881 mov->flags |= FF_MOV_FLAG_FRAGMENT;
5883 /* Set other implicit flags immediately */
5884 if (mov->mode == MODE_ISM)
5885 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
5886 FF_MOV_FLAG_FRAGMENT;
5887 if (mov->flags & FF_MOV_FLAG_DASH)
5888 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
5889 FF_MOV_FLAG_DEFAULT_BASE_MOOF;
5891 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV && s->flags & AVFMT_FLAG_AUTO_BSF) {
5892 av_log(s, AV_LOG_VERBOSE, "Empty MOOV enabled; disabling automatic bitstream filtering\n");
5893 s->flags &= ~AVFMT_FLAG_AUTO_BSF;
5896 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
5897 mov->reserved_moov_size = -1;
5900 if (mov->use_editlist < 0) {
5901 mov->use_editlist = 1;
5902 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
5903 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
5904 // If we can avoid needing an edit list by shifting the
5905 // tracks, prefer that over (trying to) write edit lists
5906 // in fragmented output.
5907 if (s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO ||
5908 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO)
5909 mov->use_editlist = 0;
5912 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
5913 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV) && mov->use_editlist)
5914 av_log(s, AV_LOG_WARNING, "No meaningful edit list will be written when using empty_moov without delay_moov\n");
5916 if (!mov->use_editlist && s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO)
5917 s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_ZERO;
5919 /* Clear the omit_tfhd_offset flag if default_base_moof is set;
5920 * if the latter is set that's enough and omit_tfhd_offset doesn't
5921 * add anything extra on top of that. */
5922 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
5923 mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
5924 mov->flags &= ~FF_MOV_FLAG_OMIT_TFHD_OFFSET;
5926 if (mov->frag_interleave &&
5927 mov->flags & (FF_MOV_FLAG_OMIT_TFHD_OFFSET | FF_MOV_FLAG_SEPARATE_MOOF)) {
5928 av_log(s, AV_LOG_ERROR,
5929 "Sample interleaving in fragments is mutually exclusive with "
5930 "omit_tfhd_offset and separate_moof\n");
5931 return AVERROR(EINVAL);
5934 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
5935 * is enabled, we don't support non-seekable output at all. */
5936 if (!(s->pb->seekable & AVIO_SEEKABLE_NORMAL) &&
5937 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
5938 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
5939 return AVERROR(EINVAL);
5942 mov->nb_streams = s->nb_streams;
5943 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
5944 mov->chapter_track = mov->nb_streams++;
5946 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
5947 /* Add hint tracks for each audio and video stream */
5948 for (i = 0; i < s->nb_streams; i++) {
5949 AVStream *st = s->streams[i];
5950 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
5951 st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
5957 if ( mov->write_tmcd == -1 && (mov->mode == MODE_MOV || mov->mode == MODE_MP4)
5958 || mov->write_tmcd == 1) {
5959 /* +1 tmcd track for each video stream with a timecode */
5960 for (i = 0; i < s->nb_streams; i++) {
5961 AVStream *st = s->streams[i];
5962 AVDictionaryEntry *t = global_tcr;
5963 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
5964 (t || (t=av_dict_get(st->metadata, "timecode", NULL, 0)))) {
5966 ret = mov_check_timecode_track(s, &tc, i, t->value);
5968 mov->nb_meta_tmcd++;
5972 /* check if there is already a tmcd track to remux */
5973 if (mov->nb_meta_tmcd) {
5974 for (i = 0; i < s->nb_streams; i++) {
5975 AVStream *st = s->streams[i];
5976 if (st->codecpar->codec_tag == MKTAG('t','m','c','d')) {
5977 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
5978 "so timecode metadata are now ignored\n");
5979 mov->nb_meta_tmcd = 0;
5984 mov->nb_streams += mov->nb_meta_tmcd;
5987 // Reserve an extra stream for chapters for the case where chapters
5988 // are written in the trailer
5989 mov->tracks = av_mallocz_array((mov->nb_streams + 1), sizeof(*mov->tracks));
5991 return AVERROR(ENOMEM);
5993 if (mov->encryption_scheme_str != NULL && strcmp(mov->encryption_scheme_str, "none") != 0) {
5994 if (strcmp(mov->encryption_scheme_str, "cenc-aes-ctr") == 0) {
5995 mov->encryption_scheme = MOV_ENC_CENC_AES_CTR;
5997 if (mov->encryption_key_len != AES_CTR_KEY_SIZE) {
5998 av_log(s, AV_LOG_ERROR, "Invalid encryption key len %d expected %d\n",
5999 mov->encryption_key_len, AES_CTR_KEY_SIZE);
6000 return AVERROR(EINVAL);
6003 if (mov->encryption_kid_len != CENC_KID_SIZE) {
6004 av_log(s, AV_LOG_ERROR, "Invalid encryption kid len %d expected %d\n",
6005 mov->encryption_kid_len, CENC_KID_SIZE);
6006 return AVERROR(EINVAL);
6009 av_log(s, AV_LOG_ERROR, "unsupported encryption scheme %s\n",
6010 mov->encryption_scheme_str);
6011 return AVERROR(EINVAL);
6015 for (i = 0; i < s->nb_streams; i++) {
6016 AVStream *st= s->streams[i];
6017 MOVTrack *track= &mov->tracks[i];
6018 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
6021 track->par = st->codecpar;
6022 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
6023 if (track->language < 0)
6024 track->language = 0;
6025 track->mode = mov->mode;
6026 track->tag = mov_find_codec_tag(s, track);
6028 av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, "
6029 "codec not currently supported in container\n",
6030 avcodec_get_name(st->codecpar->codec_id), i);
6031 return AVERROR(EINVAL);
6033 /* If hinting of this track is enabled by a later hint track,
6034 * this is updated. */
6035 track->hint_track = -1;
6036 track->start_dts = AV_NOPTS_VALUE;
6037 track->start_cts = AV_NOPTS_VALUE;
6038 track->end_pts = AV_NOPTS_VALUE;
6039 track->dts_shift = AV_NOPTS_VALUE;
6040 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
6041 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
6042 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
6043 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
6044 if (st->codecpar->width != 720 || (st->codecpar->height != 608 && st->codecpar->height != 512)) {
6045 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
6046 return AVERROR(EINVAL);
6048 track->height = track->tag >> 24 == 'n' ? 486 : 576;
6050 if (mov->video_track_timescale) {
6051 track->timescale = mov->video_track_timescale;
6053 track->timescale = st->time_base.den;
6054 while(track->timescale < 10000)
6055 track->timescale *= 2;
6057 if (st->codecpar->width > 65535 || st->codecpar->height > 65535) {
6058 av_log(s, AV_LOG_ERROR, "Resolution %dx%d too large for mov/mp4\n", st->codecpar->width, st->codecpar->height);
6059 return AVERROR(EINVAL);
6061 if (track->mode == MODE_MOV && track->timescale > 100000)
6062 av_log(s, AV_LOG_WARNING,
6063 "WARNING codec timebase is very high. If duration is too long,\n"
6064 "file may not be playable by quicktime. Specify a shorter timebase\n"
6065 "or choose different container.\n");
6066 if (track->mode == MODE_MOV &&
6067 track->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
6068 track->tag == MKTAG('r','a','w',' ')) {
6069 enum AVPixelFormat pix_fmt = track->par->format;
6070 if (pix_fmt == AV_PIX_FMT_NONE && track->par->bits_per_coded_sample == 1)
6071 pix_fmt = AV_PIX_FMT_MONOWHITE;
6072 track->is_unaligned_qt_rgb =
6073 pix_fmt == AV_PIX_FMT_RGB24 ||
6074 pix_fmt == AV_PIX_FMT_BGR24 ||
6075 pix_fmt == AV_PIX_FMT_PAL8 ||
6076 pix_fmt == AV_PIX_FMT_GRAY8 ||
6077 pix_fmt == AV_PIX_FMT_MONOWHITE ||
6078 pix_fmt == AV_PIX_FMT_MONOBLACK;
6080 if (track->par->codec_id == AV_CODEC_ID_VP9) {
6081 if (track->mode != MODE_MP4) {
6082 av_log(s, AV_LOG_ERROR, "VP9 only supported in MP4.\n");
6083 return AVERROR(EINVAL);
6085 } else if (track->par->codec_id == AV_CODEC_ID_VP8) {
6086 /* altref frames handling is not defined in the spec as of version v1.0,
6087 * so just forbid muxing VP8 streams altogether until a new version does */
6088 av_log(s, AV_LOG_ERROR, "VP8 muxing is currently not supported.\n");
6089 return AVERROR_PATCHWELCOME;
6091 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
6092 track->timescale = st->codecpar->sample_rate;
6093 if (!st->codecpar->frame_size && !av_get_bits_per_sample(st->codecpar->codec_id)) {
6094 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
6095 track->audio_vbr = 1;
6096 }else if (st->codecpar->codec_id == AV_CODEC_ID_ADPCM_MS ||
6097 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
6098 st->codecpar->codec_id == AV_CODEC_ID_ILBC){
6099 if (!st->codecpar->block_align) {
6100 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
6101 return AVERROR(EINVAL);
6103 track->sample_size = st->codecpar->block_align;
6104 }else if (st->codecpar->frame_size > 1){ /* assume compressed audio */
6105 track->audio_vbr = 1;
6107 track->sample_size = (av_get_bits_per_sample(st->codecpar->codec_id) >> 3) * st->codecpar->channels;
6109 if (st->codecpar->codec_id == AV_CODEC_ID_ILBC ||
6110 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_QT) {
6111 track->audio_vbr = 1;
6113 if (track->mode != MODE_MOV &&
6114 track->par->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
6115 if (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL) {
6116 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not standard, to mux anyway set strict to -1\n",
6117 i, track->par->sample_rate);
6118 return AVERROR(EINVAL);
6120 av_log(s, AV_LOG_WARNING, "track %d: muxing mp3 at %dhz is not standard in MP4\n",
6121 i, track->par->sample_rate);
6124 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
6125 track->par->codec_id == AV_CODEC_ID_OPUS) {
6126 if (track->mode != MODE_MP4) {
6127 av_log(s, AV_LOG_ERROR, "%s only supported in MP4.\n", avcodec_get_name(track->par->codec_id));
6128 return AVERROR(EINVAL);
6130 if (s->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
6131 av_log(s, AV_LOG_ERROR,
6132 "%s in MP4 support is experimental, add "
6133 "'-strict %d' if you want to use it.\n",
6134 avcodec_get_name(track->par->codec_id), FF_COMPLIANCE_EXPERIMENTAL);
6135 return AVERROR_EXPERIMENTAL;
6138 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
6139 track->timescale = st->time_base.den;
6140 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) {
6141 track->timescale = st->time_base.den;
6143 track->timescale = MOV_TIMESCALE;
6146 track->height = st->codecpar->height;
6147 /* The ism specific timescale isn't mandatory, but is assumed by
6148 * some tools, such as mp4split. */
6149 if (mov->mode == MODE_ISM)
6150 track->timescale = 10000000;
6152 avpriv_set_pts_info(st, 64, 1, track->timescale);
6154 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
6155 ret = ff_mov_cenc_init(&track->cenc, mov->encryption_key,
6156 track->par->codec_id == AV_CODEC_ID_H264, s->flags & AVFMT_FLAG_BITEXACT);
6166 static int mov_write_header(AVFormatContext *s)
6168 AVIOContext *pb = s->pb;
6169 MOVMuxContext *mov = s->priv_data;
6170 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
6171 int i, ret, hint_track = 0, tmcd_track = 0, nb_tracks = s->nb_streams;
6173 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
6176 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6177 /* Add hint tracks for each audio and video stream */
6178 hint_track = nb_tracks;
6179 for (i = 0; i < s->nb_streams; i++) {
6180 AVStream *st = s->streams[i];
6181 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
6182 st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
6188 if (mov->mode == MODE_MOV || mov->mode == MODE_MP4)
6189 tmcd_track = nb_tracks;
6191 for (i = 0; i < s->nb_streams; i++) {
6193 AVStream *st= s->streams[i];
6194 MOVTrack *track= &mov->tracks[i];
6196 /* copy extradata if it exists */
6197 if (st->codecpar->extradata_size) {
6198 if (st->codecpar->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
6199 mov_create_dvd_sub_decoder_specific_info(track, st);
6200 else if (!TAG_IS_AVCI(track->tag) && st->codecpar->codec_id != AV_CODEC_ID_DNXHD) {
6201 track->vos_len = st->codecpar->extradata_size;
6202 track->vos_data = av_malloc(track->vos_len);
6203 if (!track->vos_data) {
6204 return AVERROR(ENOMEM);
6206 memcpy(track->vos_data, st->codecpar->extradata, track->vos_len);
6210 if (st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
6211 track->par->channel_layout != AV_CH_LAYOUT_MONO)
6214 for (j = 0; j < s->nb_streams; j++) {
6215 AVStream *stj= s->streams[j];
6216 MOVTrack *trackj= &mov->tracks[j];
6220 if (stj->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
6221 trackj->par->channel_layout != AV_CH_LAYOUT_MONO ||
6222 trackj->language != track->language ||
6223 trackj->tag != track->tag
6226 track->multichannel_as_mono++;
6230 if (!(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6231 if ((ret = mov_write_identification(pb, s)) < 0)
6235 if (mov->reserved_moov_size){
6236 mov->reserved_header_pos = avio_tell(pb);
6237 if (mov->reserved_moov_size > 0)
6238 avio_skip(pb, mov->reserved_moov_size);
6241 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
6242 /* If no fragmentation options have been set, set a default. */
6243 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
6244 FF_MOV_FLAG_FRAG_CUSTOM |
6245 FF_MOV_FLAG_FRAG_EVERY_FRAME)) &&
6246 !mov->max_fragment_duration && !mov->max_fragment_size)
6247 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
6249 if (mov->flags & FF_MOV_FLAG_FASTSTART)
6250 mov->reserved_header_pos = avio_tell(pb);
6251 mov_write_mdat_tag(pb, mov);
6254 ff_parse_creation_time_metadata(s, &mov->time, 1);
6256 mov->time += 0x7C25B080; // 1970 based -> 1904 based
6258 if (mov->chapter_track)
6259 if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0)
6262 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6263 /* Initialize the hint tracks for each audio and video stream */
6264 for (i = 0; i < s->nb_streams; i++) {
6265 AVStream *st = s->streams[i];
6266 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
6267 st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
6268 if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0)
6275 if (mov->nb_meta_tmcd) {
6276 /* Initialize the tmcd tracks */
6277 for (i = 0; i < s->nb_streams; i++) {
6278 AVStream *st = s->streams[i];
6281 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
6284 t = av_dict_get(st->metadata, "timecode", NULL, 0);
6287 if (mov_check_timecode_track(s, &tc, i, t->value) < 0)
6289 if ((ret = mov_create_timecode_track(s, tmcd_track, i, tc)) < 0)
6298 if (mov->flags & FF_MOV_FLAG_ISML)
6299 mov_write_isml_manifest(pb, mov, s);
6301 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
6302 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6303 if ((ret = mov_write_moov_tag(pb, mov, s)) < 0)
6306 mov->moov_written = 1;
6307 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
6308 mov->reserved_header_pos = avio_tell(pb);
6314 static int get_moov_size(AVFormatContext *s)
6317 AVIOContext *moov_buf;
6318 MOVMuxContext *mov = s->priv_data;
6320 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
6322 if ((ret = mov_write_moov_tag(moov_buf, mov, s)) < 0)
6324 return ffio_close_null_buf(moov_buf);
6327 static int get_sidx_size(AVFormatContext *s)
6331 MOVMuxContext *mov = s->priv_data;
6333 if ((ret = ffio_open_null_buf(&buf)) < 0)
6335 mov_write_sidx_tags(buf, mov, -1, 0);
6336 return ffio_close_null_buf(buf);
6340 * This function gets the moov size if moved to the top of the file: the chunk
6341 * offset table can switch between stco (32-bit entries) to co64 (64-bit
6342 * entries) when the moov is moved to the beginning, so the size of the moov
6343 * would change. It also updates the chunk offset tables.
6345 static int compute_moov_size(AVFormatContext *s)
6347 int i, moov_size, moov_size2;
6348 MOVMuxContext *mov = s->priv_data;
6350 moov_size = get_moov_size(s);
6354 for (i = 0; i < mov->nb_streams; i++)
6355 mov->tracks[i].data_offset += moov_size;
6357 moov_size2 = get_moov_size(s);
6361 /* if the size changed, we just switched from stco to co64 and need to
6362 * update the offsets */
6363 if (moov_size2 != moov_size)
6364 for (i = 0; i < mov->nb_streams; i++)
6365 mov->tracks[i].data_offset += moov_size2 - moov_size;
6370 static int compute_sidx_size(AVFormatContext *s)
6373 MOVMuxContext *mov = s->priv_data;
6375 sidx_size = get_sidx_size(s);
6379 for (i = 0; i < mov->nb_streams; i++)
6380 mov->tracks[i].data_offset += sidx_size;
6385 static int shift_data(AVFormatContext *s)
6387 int ret = 0, moov_size;
6388 MOVMuxContext *mov = s->priv_data;
6389 int64_t pos, pos_end = avio_tell(s->pb);
6390 uint8_t *buf, *read_buf[2];
6391 int read_buf_id = 0;
6393 AVIOContext *read_pb;
6395 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
6396 moov_size = compute_sidx_size(s);
6398 moov_size = compute_moov_size(s);
6402 buf = av_malloc(moov_size * 2);
6404 return AVERROR(ENOMEM);
6406 read_buf[1] = buf + moov_size;
6408 /* Shift the data: the AVIO context of the output can only be used for
6409 * writing, so we re-open the same output, but for reading. It also avoids
6410 * a read/seek/write/seek back and forth. */
6412 ret = s->io_open(s, &read_pb, s->url, AVIO_FLAG_READ, NULL);
6414 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
6415 "the second pass (faststart)\n", s->url);
6419 /* mark the end of the shift to up to the last data we wrote, and get ready
6421 pos_end = avio_tell(s->pb);
6422 avio_seek(s->pb, mov->reserved_header_pos + moov_size, SEEK_SET);
6424 /* start reading at where the new moov will be placed */
6425 avio_seek(read_pb, mov->reserved_header_pos, SEEK_SET);
6426 pos = avio_tell(read_pb);
6428 #define READ_BLOCK do { \
6429 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
6433 /* shift data by chunk of at most moov_size */
6438 n = read_size[read_buf_id];
6441 avio_write(s->pb, read_buf[read_buf_id], n);
6443 } while (pos < pos_end);
6444 ff_format_io_close(s, &read_pb);
6451 static int mov_write_trailer(AVFormatContext *s)
6453 MOVMuxContext *mov = s->priv_data;
6454 AVIOContext *pb = s->pb;
6459 if (mov->need_rewrite_extradata) {
6460 for (i = 0; i < s->nb_streams; i++) {
6461 MOVTrack *track = &mov->tracks[i];
6462 AVCodecParameters *par = track->par;
6464 track->vos_len = par->extradata_size;
6465 track->vos_data = av_malloc(track->vos_len);
6466 if (!track->vos_data)
6467 return AVERROR(ENOMEM);
6468 memcpy(track->vos_data, par->extradata, track->vos_len);
6470 mov->need_rewrite_extradata = 0;
6474 * Before actually writing the trailer, make sure that there are no
6475 * dangling subtitles, that need a terminating sample.
6477 for (i = 0; i < mov->nb_streams; i++) {
6478 MOVTrack *trk = &mov->tracks[i];
6479 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
6480 !trk->last_sample_is_subtitle_end) {
6481 mov_write_subtitle_end_packet(s, i, trk->track_duration);
6482 trk->last_sample_is_subtitle_end = 1;
6486 // If there were no chapters when the header was written, but there
6487 // are chapters now, write them in the trailer. This only works
6488 // when we are not doing fragments.
6489 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
6490 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
6491 mov->chapter_track = mov->nb_streams++;
6492 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
6497 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
6498 moov_pos = avio_tell(pb);
6500 /* Write size of mdat tag */
6501 if (mov->mdat_size + 8 <= UINT32_MAX) {
6502 avio_seek(pb, mov->mdat_pos, SEEK_SET);
6503 avio_wb32(pb, mov->mdat_size + 8);
6505 /* overwrite 'wide' placeholder atom */
6506 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
6507 /* special value: real atom size will be 64 bit value after
6510 ffio_wfourcc(pb, "mdat");
6511 avio_wb64(pb, mov->mdat_size + 16);
6513 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_header_pos : moov_pos, SEEK_SET);
6515 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
6516 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
6517 res = shift_data(s);
6520 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
6521 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6523 } else if (mov->reserved_moov_size > 0) {
6525 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6527 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_header_pos);
6529 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
6530 return AVERROR(EINVAL);
6532 avio_wb32(pb, size);
6533 ffio_wfourcc(pb, "free");
6534 ffio_fill(pb, 0, size - 8);
6535 avio_seek(pb, moov_pos, SEEK_SET);
6537 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6542 mov_auto_flush_fragment(s, 1);
6543 for (i = 0; i < mov->nb_streams; i++)
6544 mov->tracks[i].data_offset = 0;
6545 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) {
6547 av_log(s, AV_LOG_INFO, "Starting second pass: inserting sidx atoms\n");
6548 res = shift_data(s);
6551 end = avio_tell(pb);
6552 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
6553 mov_write_sidx_tags(pb, mov, -1, 0);
6554 avio_seek(pb, end, SEEK_SET);
6555 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_TRAILER);
6556 mov_write_mfra_tag(pb, mov);
6557 } else if (!(mov->flags & FF_MOV_FLAG_SKIP_TRAILER)) {
6558 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_TRAILER);
6559 mov_write_mfra_tag(pb, mov);
6566 static int mov_check_bitstream(struct AVFormatContext *s, const AVPacket *pkt)
6569 AVStream *st = s->streams[pkt->stream_index];
6571 if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
6572 if (pkt->size > 2 && (AV_RB16(pkt->data) & 0xfff0) == 0xfff0)
6573 ret = ff_stream_add_bitstream_filter(st, "aac_adtstoasc", NULL);
6574 } else if (st->codecpar->codec_id == AV_CODEC_ID_VP9) {
6575 ret = ff_stream_add_bitstream_filter(st, "vp9_superframe", NULL);
6581 static const AVCodecTag codec_3gp_tags[] = {
6582 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
6583 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
6584 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
6585 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
6586 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
6587 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
6588 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
6589 { AV_CODEC_ID_NONE, 0 },
6592 const AVCodecTag codec_mp4_tags[] = {
6593 { AV_CODEC_ID_MPEG4 , MKTAG('m', 'p', '4', 'v') },
6594 { AV_CODEC_ID_H264 , MKTAG('a', 'v', 'c', '1') },
6595 { AV_CODEC_ID_H264 , MKTAG('a', 'v', 'c', '3') },
6596 { AV_CODEC_ID_HEVC , MKTAG('h', 'e', 'v', '1') },
6597 { AV_CODEC_ID_HEVC , MKTAG('h', 'v', 'c', '1') },
6598 { AV_CODEC_ID_MPEG2VIDEO , MKTAG('m', 'p', '4', 'v') },
6599 { AV_CODEC_ID_MPEG1VIDEO , MKTAG('m', 'p', '4', 'v') },
6600 { AV_CODEC_ID_MJPEG , MKTAG('m', 'p', '4', 'v') },
6601 { AV_CODEC_ID_PNG , MKTAG('m', 'p', '4', 'v') },
6602 { AV_CODEC_ID_JPEG2000 , MKTAG('m', 'p', '4', 'v') },
6603 { AV_CODEC_ID_VC1 , MKTAG('v', 'c', '-', '1') },
6604 { AV_CODEC_ID_DIRAC , MKTAG('d', 'r', 'a', 'c') },
6605 { AV_CODEC_ID_TSCC2 , MKTAG('m', 'p', '4', 'v') },
6606 { AV_CODEC_ID_VP9 , MKTAG('v', 'p', '0', '9') },
6607 { AV_CODEC_ID_AAC , MKTAG('m', 'p', '4', 'a') },
6608 { AV_CODEC_ID_MP4ALS , MKTAG('m', 'p', '4', 'a') },
6609 { AV_CODEC_ID_MP3 , MKTAG('m', 'p', '4', 'a') },
6610 { AV_CODEC_ID_MP2 , MKTAG('m', 'p', '4', 'a') },
6611 { AV_CODEC_ID_AC3 , MKTAG('a', 'c', '-', '3') },
6612 { AV_CODEC_ID_EAC3 , MKTAG('e', 'c', '-', '3') },
6613 { AV_CODEC_ID_DTS , MKTAG('m', 'p', '4', 'a') },
6614 { AV_CODEC_ID_FLAC , MKTAG('f', 'L', 'a', 'C') },
6615 { AV_CODEC_ID_OPUS , MKTAG('O', 'p', 'u', 's') },
6616 { AV_CODEC_ID_VORBIS , MKTAG('m', 'p', '4', 'a') },
6617 { AV_CODEC_ID_QCELP , MKTAG('m', 'p', '4', 'a') },
6618 { AV_CODEC_ID_EVRC , MKTAG('m', 'p', '4', 'a') },
6619 { AV_CODEC_ID_DVD_SUBTITLE, MKTAG('m', 'p', '4', 's') },
6620 { AV_CODEC_ID_MOV_TEXT , MKTAG('t', 'x', '3', 'g') },
6621 { AV_CODEC_ID_NONE , 0 },
6624 const AVCodecTag codec_ism_tags[] = {
6625 { AV_CODEC_ID_WMAPRO , MKTAG('w', 'm', 'a', ' ') },
6626 { AV_CODEC_ID_NONE , 0 },
6629 static const AVCodecTag codec_ipod_tags[] = {
6630 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
6631 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
6632 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
6633 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
6634 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
6635 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
6636 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
6637 { AV_CODEC_ID_NONE, 0 },
6640 static const AVCodecTag codec_f4v_tags[] = {
6641 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
6642 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
6643 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
6644 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
6645 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
6646 { AV_CODEC_ID_NONE, 0 },
6649 #if CONFIG_MOV_MUXER
6651 AVOutputFormat ff_mov_muxer = {
6653 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
6654 .extensions = "mov",
6655 .priv_data_size = sizeof(MOVMuxContext),
6656 .audio_codec = AV_CODEC_ID_AAC,
6657 .video_codec = CONFIG_LIBX264_ENCODER ?
6658 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
6660 .write_header = mov_write_header,
6661 .write_packet = mov_write_packet,
6662 .write_trailer = mov_write_trailer,
6664 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6665 .codec_tag = (const AVCodecTag* const []){
6666 ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0
6668 .check_bitstream = mov_check_bitstream,
6669 .priv_class = &mov_muxer_class,
6672 #if CONFIG_TGP_MUXER
6674 AVOutputFormat ff_tgp_muxer = {
6676 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
6677 .extensions = "3gp",
6678 .priv_data_size = sizeof(MOVMuxContext),
6679 .audio_codec = AV_CODEC_ID_AMR_NB,
6680 .video_codec = AV_CODEC_ID_H263,
6682 .write_header = mov_write_header,
6683 .write_packet = mov_write_packet,
6684 .write_trailer = mov_write_trailer,
6686 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6687 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
6688 .check_bitstream = mov_check_bitstream,
6689 .priv_class = &tgp_muxer_class,
6692 #if CONFIG_MP4_MUXER
6694 AVOutputFormat ff_mp4_muxer = {
6696 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
6697 .mime_type = "video/mp4",
6698 .extensions = "mp4",
6699 .priv_data_size = sizeof(MOVMuxContext),
6700 .audio_codec = AV_CODEC_ID_AAC,
6701 .video_codec = CONFIG_LIBX264_ENCODER ?
6702 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
6704 .write_header = mov_write_header,
6705 .write_packet = mov_write_packet,
6706 .write_trailer = mov_write_trailer,
6708 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6709 .codec_tag = (const AVCodecTag* const []){ codec_mp4_tags, 0 },
6710 .check_bitstream = mov_check_bitstream,
6711 .priv_class = &mp4_muxer_class,
6714 #if CONFIG_PSP_MUXER
6716 AVOutputFormat ff_psp_muxer = {
6718 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
6719 .extensions = "mp4,psp",
6720 .priv_data_size = sizeof(MOVMuxContext),
6721 .audio_codec = AV_CODEC_ID_AAC,
6722 .video_codec = CONFIG_LIBX264_ENCODER ?
6723 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
6725 .write_header = mov_write_header,
6726 .write_packet = mov_write_packet,
6727 .write_trailer = mov_write_trailer,
6729 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6730 .codec_tag = (const AVCodecTag* const []){ codec_mp4_tags, 0 },
6731 .check_bitstream = mov_check_bitstream,
6732 .priv_class = &psp_muxer_class,
6735 #if CONFIG_TG2_MUXER
6737 AVOutputFormat ff_tg2_muxer = {
6739 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
6740 .extensions = "3g2",
6741 .priv_data_size = sizeof(MOVMuxContext),
6742 .audio_codec = AV_CODEC_ID_AMR_NB,
6743 .video_codec = AV_CODEC_ID_H263,
6745 .write_header = mov_write_header,
6746 .write_packet = mov_write_packet,
6747 .write_trailer = mov_write_trailer,
6749 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6750 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
6751 .check_bitstream = mov_check_bitstream,
6752 .priv_class = &tg2_muxer_class,
6755 #if CONFIG_IPOD_MUXER
6757 AVOutputFormat ff_ipod_muxer = {
6759 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
6760 .mime_type = "video/mp4",
6761 .extensions = "m4v,m4a,m4b",
6762 .priv_data_size = sizeof(MOVMuxContext),
6763 .audio_codec = AV_CODEC_ID_AAC,
6764 .video_codec = AV_CODEC_ID_H264,
6766 .write_header = mov_write_header,
6767 .write_packet = mov_write_packet,
6768 .write_trailer = mov_write_trailer,
6770 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6771 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
6772 .check_bitstream = mov_check_bitstream,
6773 .priv_class = &ipod_muxer_class,
6776 #if CONFIG_ISMV_MUXER
6778 AVOutputFormat ff_ismv_muxer = {
6780 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
6781 .mime_type = "video/mp4",
6782 .extensions = "ismv,isma",
6783 .priv_data_size = sizeof(MOVMuxContext),
6784 .audio_codec = AV_CODEC_ID_AAC,
6785 .video_codec = AV_CODEC_ID_H264,
6787 .write_header = mov_write_header,
6788 .write_packet = mov_write_packet,
6789 .write_trailer = mov_write_trailer,
6791 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6792 .codec_tag = (const AVCodecTag* const []){
6793 codec_mp4_tags, codec_ism_tags, 0 },
6794 .check_bitstream = mov_check_bitstream,
6795 .priv_class = &ismv_muxer_class,
6798 #if CONFIG_F4V_MUXER
6800 AVOutputFormat ff_f4v_muxer = {
6802 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
6803 .mime_type = "application/f4v",
6804 .extensions = "f4v",
6805 .priv_data_size = sizeof(MOVMuxContext),
6806 .audio_codec = AV_CODEC_ID_AAC,
6807 .video_codec = AV_CODEC_ID_H264,
6809 .write_header = mov_write_header,
6810 .write_packet = mov_write_packet,
6811 .write_trailer = mov_write_trailer,
6813 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
6814 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
6815 .check_bitstream = mov_check_bitstream,
6816 .priv_class = &f4v_muxer_class,