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 av_packet_move_ref(pkt, &info->pkt);
495 info->num_blocks = 0;
506 static int mov_write_eac3_tag(AVIOContext *pb, MOVTrack *track)
510 struct eac3_info *info;
513 if (!track->eac3_priv)
514 return AVERROR(EINVAL);
516 info = track->eac3_priv;
517 size = 2 + 4 * (info->num_ind_sub + 1);
518 buf = av_malloc(size);
520 size = AVERROR(ENOMEM);
524 init_put_bits(&pbc, buf, size);
525 put_bits(&pbc, 13, info->data_rate);
526 put_bits(&pbc, 3, info->num_ind_sub);
527 for (i = 0; i <= info->num_ind_sub; i++) {
528 put_bits(&pbc, 2, info->substream[i].fscod);
529 put_bits(&pbc, 5, info->substream[i].bsid);
530 put_bits(&pbc, 1, 0); /* reserved */
531 put_bits(&pbc, 1, 0); /* asvc */
532 put_bits(&pbc, 3, info->substream[i].bsmod);
533 put_bits(&pbc, 3, info->substream[i].acmod);
534 put_bits(&pbc, 1, info->substream[i].lfeon);
535 put_bits(&pbc, 5, 0); /* reserved */
536 put_bits(&pbc, 4, info->substream[i].num_dep_sub);
537 if (!info->substream[i].num_dep_sub) {
538 put_bits(&pbc, 1, 0); /* reserved */
541 put_bits(&pbc, 9, info->substream[i].chan_loc);
544 flush_put_bits(&pbc);
546 avio_wb32(pb, size + 8);
547 ffio_wfourcc(pb, "dec3");
548 avio_write(pb, buf, size);
553 av_packet_unref(&info->pkt);
554 av_freep(&track->eac3_priv);
560 * This function writes extradata "as is".
561 * Extradata must be formatted like a valid atom (with size and tag).
563 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
565 avio_write(pb, track->par->extradata, track->par->extradata_size);
566 return track->par->extradata_size;
569 static int mov_write_enda_tag(AVIOContext *pb)
572 ffio_wfourcc(pb, "enda");
573 avio_wb16(pb, 1); /* little endian */
577 static int mov_write_enda_tag_be(AVIOContext *pb)
580 ffio_wfourcc(pb, "enda");
581 avio_wb16(pb, 0); /* big endian */
585 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
590 avio_w8(pb, (size >> (7 * i)) | 0x80);
591 avio_w8(pb, size & 0x7F);
594 static unsigned compute_avg_bitrate(MOVTrack *track)
598 if (!track->track_duration)
600 for (i = 0; i < track->entry; i++)
601 size += track->cluster[i].size;
602 return size * 8 * track->timescale / track->track_duration;
605 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
607 AVCPBProperties *props;
608 int64_t pos = avio_tell(pb);
609 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
610 unsigned avg_bitrate;
612 avio_wb32(pb, 0); // size
613 ffio_wfourcc(pb, "esds");
614 avio_wb32(pb, 0); // Version
617 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
618 avio_wb16(pb, track->track_id);
619 avio_w8(pb, 0x00); // flags (= no flags)
621 // DecoderConfig descriptor
622 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
624 // Object type indication
625 if ((track->par->codec_id == AV_CODEC_ID_MP2 ||
626 track->par->codec_id == AV_CODEC_ID_MP3) &&
627 track->par->sample_rate > 24000)
628 avio_w8(pb, 0x6B); // 11172-3
630 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->par->codec_id));
632 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
633 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
634 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
635 avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
636 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
637 avio_w8(pb, 0x15); // flags (= Audiostream)
639 avio_w8(pb, 0x11); // flags (= Visualstream)
641 props = (AVCPBProperties*)av_stream_get_side_data(track->st, AV_PKT_DATA_CPB_PROPERTIES,
644 avio_wb24(pb, props ? props->buffer_size / 8 : 0); // Buffersize DB
646 avg_bitrate = compute_avg_bitrate(track);
647 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)
648 avio_wb32(pb, avg_bitrate);
650 if (track->vos_len) {
651 // DecoderSpecific info descriptor
652 put_descr(pb, 0x05, track->vos_len);
653 avio_write(pb, track->vos_data, track->vos_len);
657 put_descr(pb, 0x06, 1);
659 return update_size(pb, pos);
662 static int mov_pcm_le_gt16(enum AVCodecID codec_id)
664 return codec_id == AV_CODEC_ID_PCM_S24LE ||
665 codec_id == AV_CODEC_ID_PCM_S32LE ||
666 codec_id == AV_CODEC_ID_PCM_F32LE ||
667 codec_id == AV_CODEC_ID_PCM_F64LE;
670 static int mov_pcm_be_gt16(enum AVCodecID codec_id)
672 return codec_id == AV_CODEC_ID_PCM_S24BE ||
673 codec_id == AV_CODEC_ID_PCM_S32BE ||
674 codec_id == AV_CODEC_ID_PCM_F32BE ||
675 codec_id == AV_CODEC_ID_PCM_F64BE;
678 static int mov_write_ms_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
681 int64_t pos = avio_tell(pb);
683 avio_wl32(pb, track->tag); // store it byteswapped
684 track->par->codec_tag = av_bswap16(track->tag >> 16);
685 if ((ret = ff_put_wav_header(s, pb, track->par, 0)) < 0)
687 return update_size(pb, pos);
690 static int mov_write_wfex_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
693 int64_t pos = avio_tell(pb);
695 ffio_wfourcc(pb, "wfex");
696 if ((ret = ff_put_wav_header(s, pb, track->st->codecpar, FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX)) < 0)
698 return update_size(pb, pos);
701 static int mov_write_dfla_tag(AVIOContext *pb, MOVTrack *track)
703 int64_t pos = avio_tell(pb);
705 ffio_wfourcc(pb, "dfLa");
706 avio_w8(pb, 0); /* version */
707 avio_wb24(pb, 0); /* flags */
709 /* Expect the encoder to pass a METADATA_BLOCK_TYPE_STREAMINFO. */
710 if (track->par->extradata_size != FLAC_STREAMINFO_SIZE)
711 return AVERROR_INVALIDDATA;
713 /* TODO: Write other METADATA_BLOCK_TYPEs if the encoder makes them available. */
714 avio_w8(pb, 1 << 7 | FLAC_METADATA_TYPE_STREAMINFO); /* LastMetadataBlockFlag << 7 | BlockType */
715 avio_wb24(pb, track->par->extradata_size); /* Length */
716 avio_write(pb, track->par->extradata, track->par->extradata_size); /* BlockData[Length] */
718 return update_size(pb, pos);
721 static int mov_write_dops_tag(AVIOContext *pb, MOVTrack *track)
723 int64_t pos = avio_tell(pb);
725 ffio_wfourcc(pb, "dOps");
726 avio_w8(pb, 0); /* Version */
727 if (track->par->extradata_size < 19) {
728 av_log(pb, AV_LOG_ERROR, "invalid extradata size\n");
729 return AVERROR_INVALIDDATA;
731 /* extradata contains an Ogg OpusHead, other than byte-ordering and
732 OpusHead's preceeding magic/version, OpusSpecificBox is currently
734 avio_w8(pb, AV_RB8(track->par->extradata + 9)); /* OuputChannelCount */
735 avio_wb16(pb, AV_RL16(track->par->extradata + 10)); /* PreSkip */
736 avio_wb32(pb, AV_RL32(track->par->extradata + 12)); /* InputSampleRate */
737 avio_wb16(pb, AV_RL16(track->par->extradata + 16)); /* OutputGain */
738 /* Write the rest of the header out without byte-swapping. */
739 avio_write(pb, track->par->extradata + 18, track->par->extradata_size - 18);
741 return update_size(pb, pos);
744 static int mov_write_chan_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
746 uint32_t layout_tag, bitmap;
747 int64_t pos = avio_tell(pb);
749 layout_tag = ff_mov_get_channel_layout_tag(track->par->codec_id,
750 track->par->channel_layout,
753 av_log(s, AV_LOG_WARNING, "not writing 'chan' tag due to "
754 "lack of channel information\n");
758 if (track->multichannel_as_mono)
761 avio_wb32(pb, 0); // Size
762 ffio_wfourcc(pb, "chan"); // Type
763 avio_w8(pb, 0); // Version
764 avio_wb24(pb, 0); // Flags
765 avio_wb32(pb, layout_tag); // mChannelLayoutTag
766 avio_wb32(pb, bitmap); // mChannelBitmap
767 avio_wb32(pb, 0); // mNumberChannelDescriptions
769 return update_size(pb, pos);
772 static int mov_write_wave_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
774 int64_t pos = avio_tell(pb);
776 avio_wb32(pb, 0); /* size */
777 ffio_wfourcc(pb, "wave");
779 if (track->par->codec_id != AV_CODEC_ID_QDM2) {
780 avio_wb32(pb, 12); /* size */
781 ffio_wfourcc(pb, "frma");
782 avio_wl32(pb, track->tag);
785 if (track->par->codec_id == AV_CODEC_ID_AAC) {
786 /* useless atom needed by mplayer, ipod, not needed by quicktime */
787 avio_wb32(pb, 12); /* size */
788 ffio_wfourcc(pb, "mp4a");
790 mov_write_esds_tag(pb, track);
791 } else if (mov_pcm_le_gt16(track->par->codec_id)) {
792 mov_write_enda_tag(pb);
793 } else if (mov_pcm_be_gt16(track->par->codec_id)) {
794 mov_write_enda_tag_be(pb);
795 } else if (track->par->codec_id == AV_CODEC_ID_AMR_NB) {
796 mov_write_amr_tag(pb, track);
797 } else if (track->par->codec_id == AV_CODEC_ID_AC3) {
798 mov_write_ac3_tag(pb, track);
799 } else if (track->par->codec_id == AV_CODEC_ID_EAC3) {
800 mov_write_eac3_tag(pb, track);
801 } else if (track->par->codec_id == AV_CODEC_ID_ALAC ||
802 track->par->codec_id == AV_CODEC_ID_QDM2) {
803 mov_write_extradata_tag(pb, track);
804 } else if (track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
805 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
806 mov_write_ms_tag(s, pb, track);
809 avio_wb32(pb, 8); /* size */
810 avio_wb32(pb, 0); /* null tag */
812 return update_size(pb, pos);
815 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
818 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
819 int unescaped_size, seq_found = 0;
820 int level = 0, interlace = 0;
821 int packet_seq = track->vc1_info.packet_seq;
822 int packet_entry = track->vc1_info.packet_entry;
823 int slices = track->vc1_info.slices;
826 if (track->start_dts == AV_NOPTS_VALUE) {
827 /* No packets written yet, vc1_info isn't authoritative yet. */
828 /* Assume inline sequence and entry headers. */
829 packet_seq = packet_entry = 1;
830 av_log(NULL, AV_LOG_WARNING,
831 "moov atom written before any packets, unable to write correct "
832 "dvc1 atom. Set the delay_moov flag to fix this.\n");
835 unescaped = av_mallocz(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
837 return AVERROR(ENOMEM);
838 start = find_next_marker(track->vos_data, end);
839 for (next = start; next < end; start = next) {
842 next = find_next_marker(start + 4, end);
843 size = next - start - 4;
846 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
847 init_get_bits(&gb, unescaped, 8 * unescaped_size);
848 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
849 int profile = get_bits(&gb, 2);
850 if (profile != PROFILE_ADVANCED) {
852 return AVERROR(ENOSYS);
855 level = get_bits(&gb, 3);
856 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
858 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
859 skip_bits(&gb, 1); /* broadcast */
860 interlace = get_bits1(&gb);
861 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
866 return AVERROR(ENOSYS);
869 init_put_bits(&pbc, buf, 7);
870 /* VC1DecSpecStruc */
871 put_bits(&pbc, 4, 12); /* profile - advanced */
872 put_bits(&pbc, 3, level);
873 put_bits(&pbc, 1, 0); /* reserved */
874 /* VC1AdvDecSpecStruc */
875 put_bits(&pbc, 3, level);
876 put_bits(&pbc, 1, 0); /* cbr */
877 put_bits(&pbc, 6, 0); /* reserved */
878 put_bits(&pbc, 1, !interlace); /* no interlace */
879 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
880 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
881 put_bits(&pbc, 1, !slices); /* no slice code */
882 put_bits(&pbc, 1, 0); /* no bframe */
883 put_bits(&pbc, 1, 0); /* reserved */
886 if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0)
887 put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den);
889 put_bits32(&pbc, 0xffffffff);
891 flush_put_bits(&pbc);
898 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
900 uint8_t buf[7] = { 0 };
903 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
906 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
907 ffio_wfourcc(pb, "dvc1");
908 avio_write(pb, buf, sizeof(buf));
909 avio_write(pb, track->vos_data, track->vos_len);
914 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
916 avio_wb32(pb, track->vos_len + 8);
917 ffio_wfourcc(pb, "glbl");
918 avio_write(pb, track->vos_data, track->vos_len);
919 return 8 + track->vos_len;
923 * Compute flags for 'lpcm' tag.
924 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
926 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
929 case AV_CODEC_ID_PCM_F32BE:
930 case AV_CODEC_ID_PCM_F64BE:
932 case AV_CODEC_ID_PCM_F32LE:
933 case AV_CODEC_ID_PCM_F64LE:
935 case AV_CODEC_ID_PCM_U8:
937 case AV_CODEC_ID_PCM_S16BE:
938 case AV_CODEC_ID_PCM_S24BE:
939 case AV_CODEC_ID_PCM_S32BE:
941 case AV_CODEC_ID_PCM_S8:
942 case AV_CODEC_ID_PCM_S16LE:
943 case AV_CODEC_ID_PCM_S24LE:
944 case AV_CODEC_ID_PCM_S32LE:
951 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
955 if (cluster_idx >= track->entry)
958 if (cluster_idx + 1 == track->entry)
959 next_dts = track->track_duration + track->start_dts;
961 next_dts = track->cluster[cluster_idx + 1].dts;
963 next_dts -= track->cluster[cluster_idx].dts;
965 av_assert0(next_dts >= 0);
966 av_assert0(next_dts <= INT_MAX);
971 static int get_samples_per_packet(MOVTrack *track)
973 int i, first_duration;
975 // return track->par->frame_size;
977 /* use 1 for raw PCM */
978 if (!track->audio_vbr)
981 /* check to see if duration is constant for all clusters */
984 first_duration = get_cluster_duration(track, 0);
985 for (i = 1; i < track->entry; i++) {
986 if (get_cluster_duration(track, i) != first_duration)
989 return first_duration;
992 static int mov_write_audio_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
994 int64_t pos = avio_tell(pb);
996 uint32_t tag = track->tag;
998 if (track->mode == MODE_MOV) {
999 if (track->timescale > UINT16_MAX) {
1000 if (mov_get_lpcm_flags(track->par->codec_id))
1001 tag = AV_RL32("lpcm");
1003 } else if (track->audio_vbr || mov_pcm_le_gt16(track->par->codec_id) ||
1004 mov_pcm_be_gt16(track->par->codec_id) ||
1005 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
1006 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
1007 track->par->codec_id == AV_CODEC_ID_QDM2) {
1012 avio_wb32(pb, 0); /* size */
1013 if (mov->encryption_scheme != MOV_ENC_NONE) {
1014 ffio_wfourcc(pb, "enca");
1016 avio_wl32(pb, tag); // store it byteswapped
1018 avio_wb32(pb, 0); /* Reserved */
1019 avio_wb16(pb, 0); /* Reserved */
1020 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
1022 /* SoundDescription */
1023 avio_wb16(pb, version); /* Version */
1024 avio_wb16(pb, 0); /* Revision level */
1025 avio_wb32(pb, 0); /* Reserved */
1030 avio_wb16(pb, 0xfffe);
1032 avio_wb32(pb, 0x00010000);
1034 avio_wb64(pb, av_double2int(track->par->sample_rate));
1035 avio_wb32(pb, track->par->channels);
1036 avio_wb32(pb, 0x7F000000);
1037 avio_wb32(pb, av_get_bits_per_sample(track->par->codec_id));
1038 avio_wb32(pb, mov_get_lpcm_flags(track->par->codec_id));
1039 avio_wb32(pb, track->sample_size);
1040 avio_wb32(pb, get_samples_per_packet(track));
1042 if (track->mode == MODE_MOV) {
1043 avio_wb16(pb, track->par->channels);
1044 if (track->par->codec_id == AV_CODEC_ID_PCM_U8 ||
1045 track->par->codec_id == AV_CODEC_ID_PCM_S8)
1046 avio_wb16(pb, 8); /* bits per sample */
1047 else if (track->par->codec_id == AV_CODEC_ID_ADPCM_G726)
1048 avio_wb16(pb, track->par->bits_per_coded_sample);
1051 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
1052 } else { /* reserved for mp4/3gp */
1053 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
1054 track->par->codec_id == AV_CODEC_ID_OPUS) {
1055 avio_wb16(pb, track->par->channels);
1059 if (track->par->codec_id == AV_CODEC_ID_FLAC) {
1060 avio_wb16(pb, track->par->bits_per_raw_sample);
1067 avio_wb16(pb, 0); /* packet size (= 0) */
1068 if (track->par->codec_id == AV_CODEC_ID_OPUS)
1069 avio_wb16(pb, 48000);
1071 avio_wb16(pb, track->par->sample_rate <= UINT16_MAX ?
1072 track->par->sample_rate : 0);
1073 avio_wb16(pb, 0); /* Reserved */
1076 if (version == 1) { /* SoundDescription V1 extended info */
1077 if (mov_pcm_le_gt16(track->par->codec_id) ||
1078 mov_pcm_be_gt16(track->par->codec_id))
1079 avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
1081 avio_wb32(pb, track->par->frame_size); /* Samples per packet */
1082 avio_wb32(pb, track->sample_size / track->par->channels); /* Bytes per packet */
1083 avio_wb32(pb, track->sample_size); /* Bytes per frame */
1084 avio_wb32(pb, 2); /* Bytes per sample */
1087 if (track->mode == MODE_MOV &&
1088 (track->par->codec_id == AV_CODEC_ID_AAC ||
1089 track->par->codec_id == AV_CODEC_ID_AC3 ||
1090 track->par->codec_id == AV_CODEC_ID_EAC3 ||
1091 track->par->codec_id == AV_CODEC_ID_AMR_NB ||
1092 track->par->codec_id == AV_CODEC_ID_ALAC ||
1093 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
1094 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
1095 track->par->codec_id == AV_CODEC_ID_QDM2 ||
1096 (mov_pcm_le_gt16(track->par->codec_id) && version==1) ||
1097 (mov_pcm_be_gt16(track->par->codec_id) && version==1)))
1098 mov_write_wave_tag(s, pb, track);
1099 else if (track->tag == MKTAG('m','p','4','a'))
1100 mov_write_esds_tag(pb, track);
1101 else if (track->par->codec_id == AV_CODEC_ID_AMR_NB)
1102 mov_write_amr_tag(pb, track);
1103 else if (track->par->codec_id == AV_CODEC_ID_AC3)
1104 mov_write_ac3_tag(pb, track);
1105 else if (track->par->codec_id == AV_CODEC_ID_EAC3)
1106 mov_write_eac3_tag(pb, track);
1107 else if (track->par->codec_id == AV_CODEC_ID_ALAC)
1108 mov_write_extradata_tag(pb, track);
1109 else if (track->par->codec_id == AV_CODEC_ID_WMAPRO)
1110 mov_write_wfex_tag(s, pb, track);
1111 else if (track->par->codec_id == AV_CODEC_ID_FLAC)
1112 mov_write_dfla_tag(pb, track);
1113 else if (track->par->codec_id == AV_CODEC_ID_OPUS)
1114 mov_write_dops_tag(pb, track);
1115 else if (track->vos_len > 0)
1116 mov_write_glbl_tag(pb, track);
1118 if (track->mode == MODE_MOV && track->par->codec_type == AVMEDIA_TYPE_AUDIO)
1119 mov_write_chan_tag(s, pb, track);
1121 if (mov->encryption_scheme != MOV_ENC_NONE) {
1122 ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid);
1125 return update_size(pb, pos);
1128 static int mov_write_d263_tag(AVIOContext *pb)
1130 avio_wb32(pb, 0xf); /* size */
1131 ffio_wfourcc(pb, "d263");
1132 ffio_wfourcc(pb, "FFMP");
1133 avio_w8(pb, 0); /* decoder version */
1134 /* FIXME use AVCodecContext level/profile, when encoder will set values */
1135 avio_w8(pb, 0xa); /* level */
1136 avio_w8(pb, 0); /* profile */
1140 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
1142 int64_t pos = avio_tell(pb);
1145 ffio_wfourcc(pb, "avcC");
1146 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
1147 return update_size(pb, pos);
1150 static int mov_write_vpcc_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
1152 int64_t pos = avio_tell(pb);
1155 ffio_wfourcc(pb, "vpcC");
1156 avio_w8(pb, 1); /* version */
1157 avio_wb24(pb, 0); /* flags */
1158 ff_isom_write_vpcc(s, pb, track->par);
1159 return update_size(pb, pos);
1162 static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
1164 int64_t pos = avio_tell(pb);
1167 ffio_wfourcc(pb, "hvcC");
1168 if (track->tag == MKTAG('h','v','c','1'))
1169 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 1);
1171 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
1172 return update_size(pb, pos);
1175 /* also used by all avid codecs (dv, imx, meridien) and their variants */
1176 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
1181 int display_width = track->par->width;
1183 if (track->vos_data && track->vos_len > 0x29) {
1184 if (ff_dnxhd_parse_header_prefix(track->vos_data) != 0) {
1185 /* looks like a DNxHD bit stream */
1186 interlaced = (track->vos_data[5] & 2);
1187 cid = AV_RB32(track->vos_data + 0x28);
1189 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream in vos_data\n");
1193 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream, vos_data too small\n");
1197 avio_wb32(pb, 24); /* size */
1198 ffio_wfourcc(pb, "ACLR");
1199 ffio_wfourcc(pb, "ACLR");
1200 ffio_wfourcc(pb, "0001");
1201 if (track->par->color_range == AVCOL_RANGE_MPEG || /* Legal range (16-235) */
1202 track->par->color_range == AVCOL_RANGE_UNSPECIFIED) {
1203 avio_wb32(pb, 1); /* Corresponds to 709 in official encoder */
1204 } else { /* Full range (0-255) */
1205 avio_wb32(pb, 2); /* Corresponds to RGB in official encoder */
1207 avio_wb32(pb, 0); /* unknown */
1209 if (track->tag == MKTAG('A','V','d','h')) {
1211 ffio_wfourcc(pb, "ADHR");
1212 ffio_wfourcc(pb, "0001");
1214 avio_wb32(pb, 0); /* unknown */
1215 avio_wb32(pb, 1); /* unknown */
1216 avio_wb32(pb, 0); /* unknown */
1217 avio_wb32(pb, 0); /* unknown */
1221 avio_wb32(pb, 24); /* size */
1222 ffio_wfourcc(pb, "APRG");
1223 ffio_wfourcc(pb, "APRG");
1224 ffio_wfourcc(pb, "0001");
1225 avio_wb32(pb, 1); /* unknown */
1226 avio_wb32(pb, 0); /* unknown */
1228 avio_wb32(pb, 120); /* size */
1229 ffio_wfourcc(pb, "ARES");
1230 ffio_wfourcc(pb, "ARES");
1231 ffio_wfourcc(pb, "0001");
1232 avio_wb32(pb, cid); /* dnxhd cid, some id ? */
1233 if ( track->par->sample_aspect_ratio.num > 0
1234 && track->par->sample_aspect_ratio.den > 0)
1235 display_width = display_width * track->par->sample_aspect_ratio.num / track->par->sample_aspect_ratio.den;
1236 avio_wb32(pb, display_width);
1237 /* values below are based on samples created with quicktime and avid codecs */
1239 avio_wb32(pb, track->par->height / 2);
1240 avio_wb32(pb, 2); /* unknown */
1241 avio_wb32(pb, 0); /* unknown */
1242 avio_wb32(pb, 4); /* unknown */
1244 avio_wb32(pb, track->par->height);
1245 avio_wb32(pb, 1); /* unknown */
1246 avio_wb32(pb, 0); /* unknown */
1247 if (track->par->height == 1080)
1248 avio_wb32(pb, 5); /* unknown */
1250 avio_wb32(pb, 6); /* unknown */
1253 for (i = 0; i < 10; i++)
1259 static int mov_write_dpxe_tag(AVIOContext *pb, MOVTrack *track)
1262 ffio_wfourcc(pb, "DpxE");
1263 if (track->par->extradata_size >= 12 &&
1264 !memcmp(&track->par->extradata[4], "DpxE", 4)) {
1265 avio_wb32(pb, track->par->extradata[11]);
1272 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
1276 if (track->par->width == 720) { /* SD */
1277 if (track->par->height == 480) { /* NTSC */
1278 if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
1279 else tag = MKTAG('d','v','c',' ');
1280 }else if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
1281 else if (track->par->format == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
1282 else tag = MKTAG('d','v','p','p');
1283 } else if (track->par->height == 720) { /* HD 720 line */
1284 if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q');
1285 else tag = MKTAG('d','v','h','p');
1286 } else if (track->par->height == 1080) { /* HD 1080 line */
1287 if (track->st->time_base.den == 25) tag = MKTAG('d','v','h','5');
1288 else tag = MKTAG('d','v','h','6');
1290 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
1297 static AVRational find_fps(AVFormatContext *s, AVStream *st)
1299 AVRational rate = st->avg_frame_rate;
1301 #if FF_API_LAVF_AVCTX
1302 FF_DISABLE_DEPRECATION_WARNINGS
1303 rate = av_inv_q(st->codec->time_base);
1304 if (av_timecode_check_frame_rate(rate) < 0) {
1305 av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
1306 rate.num, rate.den, st->avg_frame_rate.num, st->avg_frame_rate.den);
1307 rate = st->avg_frame_rate;
1309 FF_ENABLE_DEPRECATION_WARNINGS
1315 static int defined_frame_rate(AVFormatContext *s, AVStream *st)
1317 AVRational rational_framerate = find_fps(s, st);
1319 if (rational_framerate.den != 0)
1320 rate = av_q2d(rational_framerate);
1324 static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext *s, MOVTrack *track)
1326 int tag = track->par->codec_tag;
1327 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1328 AVStream *st = track->st;
1329 int rate = defined_frame_rate(s, st);
1332 tag = MKTAG('m', '2', 'v', '1'); //fallback tag
1334 if (track->par->format == AV_PIX_FMT_YUV420P) {
1335 if (track->par->width == 1280 && track->par->height == 720) {
1337 if (rate == 24) tag = MKTAG('x','d','v','4');
1338 else if (rate == 25) tag = MKTAG('x','d','v','5');
1339 else if (rate == 30) tag = MKTAG('x','d','v','1');
1340 else if (rate == 50) tag = MKTAG('x','d','v','a');
1341 else if (rate == 60) tag = MKTAG('x','d','v','9');
1343 } else if (track->par->width == 1440 && track->par->height == 1080) {
1345 if (rate == 24) tag = MKTAG('x','d','v','6');
1346 else if (rate == 25) tag = MKTAG('x','d','v','7');
1347 else if (rate == 30) tag = MKTAG('x','d','v','8');
1349 if (rate == 25) tag = MKTAG('x','d','v','3');
1350 else if (rate == 30) tag = MKTAG('x','d','v','2');
1352 } else if (track->par->width == 1920 && track->par->height == 1080) {
1354 if (rate == 24) tag = MKTAG('x','d','v','d');
1355 else if (rate == 25) tag = MKTAG('x','d','v','e');
1356 else if (rate == 30) tag = MKTAG('x','d','v','f');
1358 if (rate == 25) tag = MKTAG('x','d','v','c');
1359 else if (rate == 30) tag = MKTAG('x','d','v','b');
1362 } else if (track->par->format == AV_PIX_FMT_YUV422P) {
1363 if (track->par->width == 1280 && track->par->height == 720) {
1365 if (rate == 24) tag = MKTAG('x','d','5','4');
1366 else if (rate == 25) tag = MKTAG('x','d','5','5');
1367 else if (rate == 30) tag = MKTAG('x','d','5','1');
1368 else if (rate == 50) tag = MKTAG('x','d','5','a');
1369 else if (rate == 60) tag = MKTAG('x','d','5','9');
1371 } else if (track->par->width == 1920 && track->par->height == 1080) {
1373 if (rate == 24) tag = MKTAG('x','d','5','d');
1374 else if (rate == 25) tag = MKTAG('x','d','5','e');
1375 else if (rate == 30) tag = MKTAG('x','d','5','f');
1377 if (rate == 25) tag = MKTAG('x','d','5','c');
1378 else if (rate == 30) tag = MKTAG('x','d','5','b');
1386 static int mov_get_h264_codec_tag(AVFormatContext *s, MOVTrack *track)
1388 int tag = track->par->codec_tag;
1389 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1390 AVStream *st = track->st;
1391 int rate = defined_frame_rate(s, st);
1394 tag = MKTAG('a', 'v', 'c', 'i'); //fallback tag
1396 if (track->par->format == AV_PIX_FMT_YUV420P10) {
1397 if (track->par->width == 960 && track->par->height == 720) {
1399 if (rate == 24) tag = MKTAG('a','i','5','p');
1400 else if (rate == 25) tag = MKTAG('a','i','5','q');
1401 else if (rate == 30) tag = MKTAG('a','i','5','p');
1402 else if (rate == 50) tag = MKTAG('a','i','5','q');
1403 else if (rate == 60) tag = MKTAG('a','i','5','p');
1405 } else if (track->par->width == 1440 && track->par->height == 1080) {
1407 if (rate == 24) tag = MKTAG('a','i','5','3');
1408 else if (rate == 25) tag = MKTAG('a','i','5','2');
1409 else if (rate == 30) tag = MKTAG('a','i','5','3');
1411 if (rate == 50) tag = MKTAG('a','i','5','5');
1412 else if (rate == 60) tag = MKTAG('a','i','5','6');
1415 } else if (track->par->format == AV_PIX_FMT_YUV422P10) {
1416 if (track->par->width == 1280 && track->par->height == 720) {
1418 if (rate == 24) tag = MKTAG('a','i','1','p');
1419 else if (rate == 25) tag = MKTAG('a','i','1','q');
1420 else if (rate == 30) tag = MKTAG('a','i','1','p');
1421 else if (rate == 50) tag = MKTAG('a','i','1','q');
1422 else if (rate == 60) tag = MKTAG('a','i','1','p');
1424 } else if (track->par->width == 1920 && track->par->height == 1080) {
1426 if (rate == 24) tag = MKTAG('a','i','1','3');
1427 else if (rate == 25) tag = MKTAG('a','i','1','2');
1428 else if (rate == 30) tag = MKTAG('a','i','1','3');
1430 if (rate == 25) tag = MKTAG('a','i','1','5');
1431 else if (rate == 50) tag = MKTAG('a','i','1','5');
1432 else if (rate == 60) tag = MKTAG('a','i','1','6');
1434 } else if ( track->par->width == 4096 && track->par->height == 2160
1435 || track->par->width == 3840 && track->par->height == 2160
1436 || track->par->width == 2048 && track->par->height == 1080) {
1437 tag = MKTAG('a','i','v','x');
1444 static const struct {
1445 enum AVPixelFormat pix_fmt;
1448 } mov_pix_fmt_tags[] = {
1449 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
1450 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
1451 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
1452 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
1453 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
1454 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
1455 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
1456 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
1457 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
1458 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
1459 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
1460 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
1461 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
1462 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
1463 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
1466 static int mov_get_dnxhd_codec_tag(AVFormatContext *s, MOVTrack *track)
1468 int tag = MKTAG('A','V','d','n');
1469 if (track->par->profile != FF_PROFILE_UNKNOWN &&
1470 track->par->profile != FF_PROFILE_DNXHD)
1471 tag = MKTAG('A','V','d','h');
1475 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
1477 int tag = track->par->codec_tag;
1479 enum AVPixelFormat pix_fmt;
1481 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
1482 if (track->par->format == mov_pix_fmt_tags[i].pix_fmt) {
1483 tag = mov_pix_fmt_tags[i].tag;
1484 track->par->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
1485 if (track->par->codec_tag == mov_pix_fmt_tags[i].tag)
1490 pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_mov,
1491 track->par->bits_per_coded_sample);
1492 if (tag == MKTAG('r','a','w',' ') &&
1493 track->par->format != pix_fmt &&
1494 track->par->format != AV_PIX_FMT_GRAY8 &&
1495 track->par->format != AV_PIX_FMT_NONE)
1496 av_log(s, AV_LOG_ERROR, "%s rawvideo cannot be written to mov, output file will be unreadable\n",
1497 av_get_pix_fmt_name(track->par->format));
1501 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1503 int tag = track->par->codec_tag;
1505 if (!tag || (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
1506 (track->par->codec_id == AV_CODEC_ID_DVVIDEO ||
1507 track->par->codec_id == AV_CODEC_ID_RAWVIDEO ||
1508 track->par->codec_id == AV_CODEC_ID_H263 ||
1509 track->par->codec_id == AV_CODEC_ID_H264 ||
1510 track->par->codec_id == AV_CODEC_ID_DNXHD ||
1511 track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
1512 av_get_bits_per_sample(track->par->codec_id)))) { // pcm audio
1513 if (track->par->codec_id == AV_CODEC_ID_DVVIDEO)
1514 tag = mov_get_dv_codec_tag(s, track);
1515 else if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO)
1516 tag = mov_get_rawvideo_codec_tag(s, track);
1517 else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO)
1518 tag = mov_get_mpeg2_xdcam_codec_tag(s, track);
1519 else if (track->par->codec_id == AV_CODEC_ID_H264)
1520 tag = mov_get_h264_codec_tag(s, track);
1521 else if (track->par->codec_id == AV_CODEC_ID_DNXHD)
1522 tag = mov_get_dnxhd_codec_tag(s, track);
1523 else if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
1524 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->par->codec_id);
1525 if (!tag) { // if no mac fcc found, try with Microsoft tags
1526 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->par->codec_id);
1528 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
1529 "the file may be unplayable!\n");
1531 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
1532 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->par->codec_id);
1533 if (!tag) { // if no mac fcc found, try with Microsoft tags
1534 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->par->codec_id);
1536 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
1537 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
1538 "the file may be unplayable!\n");
1541 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
1542 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->par->codec_id);
1548 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
1552 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
1553 tag = track->par->codec_tag;
1554 else if (track->mode == MODE_ISM)
1555 tag = track->par->codec_tag;
1556 else if (track->mode == MODE_IPOD) {
1557 if (!av_match_ext(s->url, "m4a") &&
1558 !av_match_ext(s->url, "m4v") &&
1559 !av_match_ext(s->url, "m4b"))
1560 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
1561 "Quicktime/Ipod might not play the file\n");
1562 tag = track->par->codec_tag;
1563 } else if (track->mode & MODE_3GP)
1564 tag = track->par->codec_tag;
1565 else if (track->mode == MODE_F4V)
1566 tag = track->par->codec_tag;
1568 tag = mov_get_codec_tag(s, track);
1573 /** Write uuid atom.
1574 * Needed to make file play in iPods running newest firmware
1575 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1577 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1580 ffio_wfourcc(pb, "uuid");
1581 avio_wb32(pb, 0x6b6840f2);
1582 avio_wb32(pb, 0x5f244fc5);
1583 avio_wb32(pb, 0xba39a51b);
1584 avio_wb32(pb, 0xcf0323f3);
1589 static const uint16_t fiel_data[] = {
1590 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1593 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track, int field_order)
1595 unsigned mov_field_order = 0;
1596 if (field_order < FF_ARRAY_ELEMS(fiel_data))
1597 mov_field_order = fiel_data[field_order];
1601 ffio_wfourcc(pb, "fiel");
1602 avio_wb16(pb, mov_field_order);
1606 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1608 int64_t pos = avio_tell(pb);
1609 avio_wb32(pb, 0); /* size */
1610 avio_wl32(pb, track->tag); // store it byteswapped
1611 avio_wb32(pb, 0); /* Reserved */
1612 avio_wb16(pb, 0); /* Reserved */
1613 avio_wb16(pb, 1); /* Data-reference index */
1615 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
1616 mov_write_esds_tag(pb, track);
1617 else if (track->par->extradata_size)
1618 avio_write(pb, track->par->extradata, track->par->extradata_size);
1620 return update_size(pb, pos);
1623 static int mov_write_st3d_tag(AVIOContext *pb, AVStereo3D *stereo_3d)
1627 if (stereo_3d->flags != 0) {
1628 av_log(pb, AV_LOG_WARNING, "Unsupported stereo_3d flags %x. st3d not written.\n", stereo_3d->flags);
1632 switch (stereo_3d->type) {
1633 case AV_STEREO3D_2D:
1636 case AV_STEREO3D_TOPBOTTOM:
1639 case AV_STEREO3D_SIDEBYSIDE:
1643 av_log(pb, AV_LOG_WARNING, "Unsupported stereo_3d type %s. st3d not written.\n", av_stereo3d_type_name(stereo_3d->type));
1646 avio_wb32(pb, 13); /* size */
1647 ffio_wfourcc(pb, "st3d");
1648 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1649 avio_w8(pb, stereo_mode);
1653 static int mov_write_sv3d_tag(AVFormatContext *s, AVIOContext *pb, AVSphericalMapping *spherical_mapping)
1655 int64_t sv3d_pos, svhd_pos, proj_pos;
1656 const char* metadata_source = s->flags & AVFMT_FLAG_BITEXACT ? "Lavf" : LIBAVFORMAT_IDENT;
1658 if (spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR &&
1659 spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR_TILE &&
1660 spherical_mapping->projection != AV_SPHERICAL_CUBEMAP) {
1661 av_log(pb, AV_LOG_WARNING, "Unsupported projection %d. sv3d not written.\n", spherical_mapping->projection);
1665 sv3d_pos = avio_tell(pb);
1666 avio_wb32(pb, 0); /* size */
1667 ffio_wfourcc(pb, "sv3d");
1669 svhd_pos = avio_tell(pb);
1670 avio_wb32(pb, 0); /* size */
1671 ffio_wfourcc(pb, "svhd");
1672 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1673 avio_put_str(pb, metadata_source);
1674 update_size(pb, svhd_pos);
1676 proj_pos = avio_tell(pb);
1677 avio_wb32(pb, 0); /* size */
1678 ffio_wfourcc(pb, "proj");
1680 avio_wb32(pb, 24); /* size */
1681 ffio_wfourcc(pb, "prhd");
1682 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1683 avio_wb32(pb, spherical_mapping->yaw);
1684 avio_wb32(pb, spherical_mapping->pitch);
1685 avio_wb32(pb, spherical_mapping->roll);
1687 switch (spherical_mapping->projection) {
1688 case AV_SPHERICAL_EQUIRECTANGULAR:
1689 case AV_SPHERICAL_EQUIRECTANGULAR_TILE:
1690 avio_wb32(pb, 28); /* size */
1691 ffio_wfourcc(pb, "equi");
1692 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1693 avio_wb32(pb, spherical_mapping->bound_top);
1694 avio_wb32(pb, spherical_mapping->bound_bottom);
1695 avio_wb32(pb, spherical_mapping->bound_left);
1696 avio_wb32(pb, spherical_mapping->bound_right);
1698 case AV_SPHERICAL_CUBEMAP:
1699 avio_wb32(pb, 20); /* size */
1700 ffio_wfourcc(pb, "cbmp");
1701 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1702 avio_wb32(pb, 0); /* layout */
1703 avio_wb32(pb, spherical_mapping->padding); /* padding */
1706 update_size(pb, proj_pos);
1708 return update_size(pb, sv3d_pos);
1711 static int mov_write_clap_tag(AVIOContext *pb, MOVTrack *track)
1714 ffio_wfourcc(pb, "clap");
1715 avio_wb32(pb, track->par->width); /* apertureWidth_N */
1716 avio_wb32(pb, 1); /* apertureWidth_D (= 1) */
1717 avio_wb32(pb, track->height); /* apertureHeight_N */
1718 avio_wb32(pb, 1); /* apertureHeight_D (= 1) */
1719 avio_wb32(pb, 0); /* horizOff_N (= 0) */
1720 avio_wb32(pb, 1); /* horizOff_D (= 1) */
1721 avio_wb32(pb, 0); /* vertOff_N (= 0) */
1722 avio_wb32(pb, 1); /* vertOff_D (= 1) */
1726 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1729 av_reduce(&sar.num, &sar.den, track->par->sample_aspect_ratio.num,
1730 track->par->sample_aspect_ratio.den, INT_MAX);
1733 ffio_wfourcc(pb, "pasp");
1734 avio_wb32(pb, sar.num);
1735 avio_wb32(pb, sar.den);
1739 static int mov_write_gama_tag(AVIOContext *pb, MOVTrack *track, double gamma)
1744 gamma = avpriv_get_gamma_from_trc(track->par->color_trc);
1746 av_log(pb, AV_LOG_DEBUG, "gamma value %g\n", gamma);
1749 gama = (uint32_t)lrint((double)(1<<16) * gamma);
1750 av_log(pb, AV_LOG_DEBUG, "writing gama value %"PRId32"\n", gama);
1752 av_assert0(track->mode == MODE_MOV);
1754 ffio_wfourcc(pb, "gama");
1755 avio_wb32(pb, gama);
1759 av_log(pb, AV_LOG_WARNING, "gamma value unknown, unable to write gama atom\n");
1764 static int mov_write_colr_tag(AVIOContext *pb, MOVTrack *track)
1766 // Ref (MOV): https://developer.apple.com/library/mac/technotes/tn2162/_index.html#//apple_ref/doc/uid/DTS40013070-CH1-TNTAG9
1767 // Ref (MP4): ISO/IEC 14496-12:2012
1769 if (track->par->color_primaries == AVCOL_PRI_UNSPECIFIED &&
1770 track->par->color_trc == AVCOL_TRC_UNSPECIFIED &&
1771 track->par->color_space == AVCOL_SPC_UNSPECIFIED) {
1772 if ((track->par->width >= 1920 && track->par->height >= 1080)
1773 || (track->par->width == 1280 && track->par->height == 720)) {
1774 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming bt709\n");
1775 track->par->color_primaries = AVCOL_PRI_BT709;
1776 } else if (track->par->width == 720 && track->height == 576) {
1777 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming bt470bg\n");
1778 track->par->color_primaries = AVCOL_PRI_BT470BG;
1779 } else if (track->par->width == 720 &&
1780 (track->height == 486 || track->height == 480)) {
1781 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming smpte170\n");
1782 track->par->color_primaries = AVCOL_PRI_SMPTE170M;
1784 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, unable to assume anything\n");
1786 switch (track->par->color_primaries) {
1787 case AVCOL_PRI_BT709:
1788 track->par->color_trc = AVCOL_TRC_BT709;
1789 track->par->color_space = AVCOL_SPC_BT709;
1791 case AVCOL_PRI_SMPTE170M:
1792 case AVCOL_PRI_BT470BG:
1793 track->par->color_trc = AVCOL_TRC_BT709;
1794 track->par->color_space = AVCOL_SPC_SMPTE170M;
1799 /* We should only ever be called by MOV or MP4. */
1800 av_assert0(track->mode == MODE_MOV || track->mode == MODE_MP4);
1802 avio_wb32(pb, 18 + (track->mode == MODE_MP4));
1803 ffio_wfourcc(pb, "colr");
1804 if (track->mode == MODE_MP4)
1805 ffio_wfourcc(pb, "nclx");
1807 ffio_wfourcc(pb, "nclc");
1808 switch (track->par->color_primaries) {
1809 case AVCOL_PRI_BT709: avio_wb16(pb, 1); break;
1810 case AVCOL_PRI_BT470BG: avio_wb16(pb, 5); break;
1811 case AVCOL_PRI_SMPTE170M:
1812 case AVCOL_PRI_SMPTE240M: avio_wb16(pb, 6); break;
1813 case AVCOL_PRI_BT2020: avio_wb16(pb, 9); break;
1814 case AVCOL_PRI_SMPTE431: avio_wb16(pb, 11); break;
1815 case AVCOL_PRI_SMPTE432: avio_wb16(pb, 12); break;
1816 default: avio_wb16(pb, 2);
1818 switch (track->par->color_trc) {
1819 case AVCOL_TRC_BT709: avio_wb16(pb, 1); break;
1820 case AVCOL_TRC_SMPTE170M: avio_wb16(pb, 1); break; // remapped
1821 case AVCOL_TRC_SMPTE240M: avio_wb16(pb, 7); break;
1822 case AVCOL_TRC_SMPTEST2084: avio_wb16(pb, 16); break;
1823 case AVCOL_TRC_SMPTE428: avio_wb16(pb, 17); break;
1824 case AVCOL_TRC_ARIB_STD_B67: avio_wb16(pb, 18); break;
1825 default: avio_wb16(pb, 2);
1827 switch (track->par->color_space) {
1828 case AVCOL_SPC_BT709: avio_wb16(pb, 1); break;
1829 case AVCOL_SPC_BT470BG:
1830 case AVCOL_SPC_SMPTE170M: avio_wb16(pb, 6); break;
1831 case AVCOL_SPC_SMPTE240M: avio_wb16(pb, 7); break;
1832 case AVCOL_SPC_BT2020_NCL: avio_wb16(pb, 9); break;
1833 default: avio_wb16(pb, 2);
1836 if (track->mode == MODE_MP4) {
1837 int full_range = track->par->color_range == AVCOL_RANGE_JPEG;
1838 avio_w8(pb, full_range << 7);
1845 static void find_compressor(char * compressor_name, int len, MOVTrack *track)
1847 AVDictionaryEntry *encoder;
1848 int xdcam_res = (track->par->width == 1280 && track->par->height == 720)
1849 || (track->par->width == 1440 && track->par->height == 1080)
1850 || (track->par->width == 1920 && track->par->height == 1080);
1852 if (track->mode == MODE_MOV &&
1853 (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0))) {
1854 av_strlcpy(compressor_name, encoder->value, 32);
1855 } else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) {
1856 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1857 AVStream *st = track->st;
1858 int rate = defined_frame_rate(NULL, st);
1859 av_strlcatf(compressor_name, len, "XDCAM");
1860 if (track->par->format == AV_PIX_FMT_YUV422P) {
1861 av_strlcatf(compressor_name, len, " HD422");
1862 } else if(track->par->width == 1440) {
1863 av_strlcatf(compressor_name, len, " HD");
1865 av_strlcatf(compressor_name, len, " EX");
1867 av_strlcatf(compressor_name, len, " %d%c", track->par->height, interlaced ? 'i' : 'p');
1869 av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1));
1873 static int mov_write_video_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1875 int64_t pos = avio_tell(pb);
1876 char compressor_name[32] = { 0 };
1879 int uncompressed_ycbcr = ((track->par->codec_id == AV_CODEC_ID_RAWVIDEO && track->par->format == AV_PIX_FMT_UYVY422)
1880 || (track->par->codec_id == AV_CODEC_ID_RAWVIDEO && track->par->format == AV_PIX_FMT_YUYV422)
1881 || track->par->codec_id == AV_CODEC_ID_V308
1882 || track->par->codec_id == AV_CODEC_ID_V408
1883 || track->par->codec_id == AV_CODEC_ID_V410
1884 || track->par->codec_id == AV_CODEC_ID_V210);
1886 avio_wb32(pb, 0); /* size */
1887 if (mov->encryption_scheme != MOV_ENC_NONE) {
1888 ffio_wfourcc(pb, "encv");
1890 avio_wl32(pb, track->tag); // store it byteswapped
1892 avio_wb32(pb, 0); /* Reserved */
1893 avio_wb16(pb, 0); /* Reserved */
1894 avio_wb16(pb, 1); /* Data-reference index */
1896 if (uncompressed_ycbcr) {
1897 avio_wb16(pb, 2); /* Codec stream version */
1899 avio_wb16(pb, 0); /* Codec stream version */
1901 avio_wb16(pb, 0); /* Codec stream revision (=0) */
1902 if (track->mode == MODE_MOV) {
1903 ffio_wfourcc(pb, "FFMP"); /* Vendor */
1904 if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO || uncompressed_ycbcr) {
1905 avio_wb32(pb, 0); /* Temporal Quality */
1906 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1908 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1909 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1912 avio_wb32(pb, 0); /* Reserved */
1913 avio_wb32(pb, 0); /* Reserved */
1914 avio_wb32(pb, 0); /* Reserved */
1916 avio_wb16(pb, track->par->width); /* Video width */
1917 avio_wb16(pb, track->height); /* Video height */
1918 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1919 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1920 avio_wb32(pb, 0); /* Data size (= 0) */
1921 avio_wb16(pb, 1); /* Frame count (= 1) */
1923 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1924 find_compressor(compressor_name, 32, track);
1925 avio_w8(pb, strlen(compressor_name));
1926 avio_write(pb, compressor_name, 31);
1928 if (track->mode == MODE_MOV &&
1929 (track->par->codec_id == AV_CODEC_ID_V410 || track->par->codec_id == AV_CODEC_ID_V210))
1930 avio_wb16(pb, 0x18);
1931 else if (track->mode == MODE_MOV && track->par->bits_per_coded_sample)
1932 avio_wb16(pb, track->par->bits_per_coded_sample |
1933 (track->par->format == AV_PIX_FMT_GRAY8 ? 0x20 : 0));
1935 avio_wb16(pb, 0x18); /* Reserved */
1937 if (track->mode == MODE_MOV && track->par->format == AV_PIX_FMT_PAL8) {
1938 int pal_size = 1 << track->par->bits_per_coded_sample;
1940 avio_wb16(pb, 0); /* Color table ID */
1941 avio_wb32(pb, 0); /* Color table seed */
1942 avio_wb16(pb, 0x8000); /* Color table flags */
1943 avio_wb16(pb, pal_size - 1); /* Color table size (zero-relative) */
1944 for (i = 0; i < pal_size; i++) {
1945 uint32_t rgb = track->palette[i];
1946 uint16_t r = (rgb >> 16) & 0xff;
1947 uint16_t g = (rgb >> 8) & 0xff;
1948 uint16_t b = rgb & 0xff;
1950 avio_wb16(pb, (r << 8) | r);
1951 avio_wb16(pb, (g << 8) | g);
1952 avio_wb16(pb, (b << 8) | b);
1955 avio_wb16(pb, 0xffff); /* Reserved */
1957 if (track->tag == MKTAG('m','p','4','v'))
1958 mov_write_esds_tag(pb, track);
1959 else if (track->par->codec_id == AV_CODEC_ID_H263)
1960 mov_write_d263_tag(pb);
1961 else if (track->par->codec_id == AV_CODEC_ID_AVUI ||
1962 track->par->codec_id == AV_CODEC_ID_SVQ3) {
1963 mov_write_extradata_tag(pb, track);
1965 } else if (track->par->codec_id == AV_CODEC_ID_DNXHD) {
1966 mov_write_avid_tag(pb, track);
1968 } else if (track->par->codec_id == AV_CODEC_ID_HEVC)
1969 mov_write_hvcc_tag(pb, track);
1970 else if (track->par->codec_id == AV_CODEC_ID_H264 && !TAG_IS_AVCI(track->tag)) {
1971 mov_write_avcc_tag(pb, track);
1972 if (track->mode == MODE_IPOD)
1973 mov_write_uuid_tag_ipod(pb);
1974 } else if (track->par->codec_id == AV_CODEC_ID_VP9) {
1975 mov_write_vpcc_tag(mov->fc, pb, track);
1976 } else if (track->par->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
1977 mov_write_dvc1_tag(pb, track);
1978 else if (track->par->codec_id == AV_CODEC_ID_VP6F ||
1979 track->par->codec_id == AV_CODEC_ID_VP6A) {
1980 /* Don't write any potential extradata here - the cropping
1981 * is signalled via the normal width/height fields. */
1982 } else if (track->par->codec_id == AV_CODEC_ID_R10K) {
1983 if (track->par->codec_tag == MKTAG('R','1','0','k'))
1984 mov_write_dpxe_tag(pb, track);
1985 } else if (track->vos_len > 0)
1986 mov_write_glbl_tag(pb, track);
1988 if (track->par->codec_id != AV_CODEC_ID_H264 &&
1989 track->par->codec_id != AV_CODEC_ID_MPEG4 &&
1990 track->par->codec_id != AV_CODEC_ID_DNXHD) {
1991 int field_order = track->par->field_order;
1993 #if FF_API_LAVF_AVCTX
1994 FF_DISABLE_DEPRECATION_WARNINGS
1995 if (field_order != track->st->codec->field_order && track->st->codec->field_order != AV_FIELD_UNKNOWN)
1996 field_order = track->st->codec->field_order;
1997 FF_ENABLE_DEPRECATION_WARNINGS
2000 if (field_order != AV_FIELD_UNKNOWN)
2001 mov_write_fiel_tag(pb, track, field_order);
2004 if (mov->flags & FF_MOV_FLAG_WRITE_GAMA) {
2005 if (track->mode == MODE_MOV)
2006 mov_write_gama_tag(pb, track, mov->gamma);
2008 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'gama' atom. Format is not MOV.\n");
2010 if (mov->flags & FF_MOV_FLAG_WRITE_COLR) {
2011 if (track->mode == MODE_MOV || track->mode == MODE_MP4)
2012 mov_write_colr_tag(pb, track);
2014 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'colr' atom. Format is not MOV or MP4.\n");
2017 if (track->mode == MODE_MP4 && mov->fc->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
2018 AVStereo3D* stereo_3d = (AVStereo3D*) av_stream_get_side_data(track->st, AV_PKT_DATA_STEREO3D, NULL);
2019 AVSphericalMapping* spherical_mapping = (AVSphericalMapping*)av_stream_get_side_data(track->st, AV_PKT_DATA_SPHERICAL, NULL);
2022 mov_write_st3d_tag(pb, stereo_3d);
2023 if (spherical_mapping)
2024 mov_write_sv3d_tag(mov->fc, pb, spherical_mapping);
2027 if (track->par->sample_aspect_ratio.den && track->par->sample_aspect_ratio.num) {
2028 mov_write_pasp_tag(pb, track);
2031 if (uncompressed_ycbcr){
2032 mov_write_clap_tag(pb, track);
2035 if (mov->encryption_scheme != MOV_ENC_NONE) {
2036 ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid);
2039 /* extra padding for avid stsd */
2040 /* https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/QTFFChap2/qtff2.html#//apple_ref/doc/uid/TP40000939-CH204-61112 */
2044 return update_size(pb, pos);
2047 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
2049 int64_t pos = avio_tell(pb);
2050 avio_wb32(pb, 0); /* size */
2051 ffio_wfourcc(pb, "rtp ");
2052 avio_wb32(pb, 0); /* Reserved */
2053 avio_wb16(pb, 0); /* Reserved */
2054 avio_wb16(pb, 1); /* Data-reference index */
2056 avio_wb16(pb, 1); /* Hint track version */
2057 avio_wb16(pb, 1); /* Highest compatible version */
2058 avio_wb32(pb, track->max_packet_size); /* Max packet size */
2060 avio_wb32(pb, 12); /* size */
2061 ffio_wfourcc(pb, "tims");
2062 avio_wb32(pb, track->timescale);
2064 return update_size(pb, pos);
2067 static int mov_write_source_reference_tag(AVIOContext *pb, MOVTrack *track, const char *reel_name)
2069 uint64_t str_size =strlen(reel_name);
2070 int64_t pos = avio_tell(pb);
2072 if (str_size >= UINT16_MAX){
2073 av_log(NULL, AV_LOG_ERROR, "reel_name length %"PRIu64" is too large\n", str_size);
2075 return AVERROR(EINVAL);
2078 avio_wb32(pb, 0); /* size */
2079 ffio_wfourcc(pb, "name"); /* Data format */
2080 avio_wb16(pb, str_size); /* string size */
2081 avio_wb16(pb, track->language); /* langcode */
2082 avio_write(pb, reel_name, str_size); /* reel name */
2083 return update_size(pb,pos);
2086 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
2088 int64_t pos = avio_tell(pb);
2092 AVDictionaryEntry *t = NULL;
2094 if (!track->st->avg_frame_rate.num || !track->st->avg_frame_rate.den) {
2095 #if FF_API_LAVF_AVCTX
2096 FF_DISABLE_DEPRECATION_WARNINGS
2097 frame_duration = av_rescale(track->timescale, track->st->codec->time_base.num, track->st->codec->time_base.den);
2098 nb_frames = ROUNDED_DIV(track->st->codec->time_base.den, track->st->codec->time_base.num);
2099 FF_ENABLE_DEPRECATION_WARNINGS
2101 av_log(NULL, AV_LOG_ERROR, "avg_frame_rate not set for tmcd track.\n");
2102 return AVERROR(EINVAL);
2105 frame_duration = av_rescale(track->timescale, track->st->avg_frame_rate.num, track->st->avg_frame_rate.den);
2106 nb_frames = ROUNDED_DIV(track->st->avg_frame_rate.den, track->st->avg_frame_rate.num);
2109 if (nb_frames > 255) {
2110 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
2111 return AVERROR(EINVAL);
2114 avio_wb32(pb, 0); /* size */
2115 ffio_wfourcc(pb, "tmcd"); /* Data format */
2116 avio_wb32(pb, 0); /* Reserved */
2117 avio_wb32(pb, 1); /* Data reference index */
2118 avio_wb32(pb, 0); /* Flags */
2119 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
2120 avio_wb32(pb, track->timescale); /* Timescale */
2121 avio_wb32(pb, frame_duration); /* Frame duration */
2122 avio_w8(pb, nb_frames); /* Number of frames */
2123 avio_w8(pb, 0); /* Reserved */
2125 t = av_dict_get(track->st->metadata, "reel_name", NULL, 0);
2126 if (t && utf8len(t->value) && track->mode != MODE_MP4)
2127 mov_write_source_reference_tag(pb, track, t->value);
2129 avio_wb16(pb, 0); /* zero size */
2132 avio_wb32(pb, 0); /* size */
2133 ffio_wfourcc(pb, "tmcd"); /* Data format */
2134 avio_wb32(pb, 0); /* Reserved */
2135 avio_wb32(pb, 1); /* Data reference index */
2136 if (track->par->extradata_size)
2137 avio_write(pb, track->par->extradata, track->par->extradata_size);
2139 return update_size(pb, pos);
2142 static int mov_write_gpmd_tag(AVIOContext *pb, const MOVTrack *track)
2144 int64_t pos = avio_tell(pb);
2145 avio_wb32(pb, 0); /* size */
2146 ffio_wfourcc(pb, "gpmd");
2147 avio_wb32(pb, 0); /* Reserved */
2148 avio_wb16(pb, 0); /* Reserved */
2149 avio_wb16(pb, 1); /* Data-reference index */
2150 avio_wb32(pb, 0); /* Reserved */
2151 return update_size(pb, pos);
2154 static int mov_write_stsd_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2156 int64_t pos = avio_tell(pb);
2157 avio_wb32(pb, 0); /* size */
2158 ffio_wfourcc(pb, "stsd");
2159 avio_wb32(pb, 0); /* version & flags */
2160 avio_wb32(pb, 1); /* entry count */
2161 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2162 mov_write_video_tag(pb, mov, track);
2163 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2164 mov_write_audio_tag(s, pb, mov, track);
2165 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
2166 mov_write_subtitle_tag(pb, track);
2167 else if (track->par->codec_tag == MKTAG('r','t','p',' '))
2168 mov_write_rtp_tag(pb, track);
2169 else if (track->par->codec_tag == MKTAG('t','m','c','d'))
2170 mov_write_tmcd_tag(pb, track);
2171 else if (track->par->codec_tag == MKTAG('g','p','m','d'))
2172 mov_write_gpmd_tag(pb, track);
2173 return update_size(pb, pos);
2176 static int mov_write_ctts_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
2178 MOVMuxContext *mov = s->priv_data;
2179 MOVStts *ctts_entries;
2180 uint32_t entries = 0;
2184 ctts_entries = av_malloc_array((track->entry + 1), sizeof(*ctts_entries)); /* worst case */
2186 return AVERROR(ENOMEM);
2187 ctts_entries[0].count = 1;
2188 ctts_entries[0].duration = track->cluster[0].cts;
2189 for (i = 1; i < track->entry; i++) {
2190 if (track->cluster[i].cts == ctts_entries[entries].duration) {
2191 ctts_entries[entries].count++; /* compress */
2194 ctts_entries[entries].duration = track->cluster[i].cts;
2195 ctts_entries[entries].count = 1;
2198 entries++; /* last one */
2199 atom_size = 16 + (entries * 8);
2200 avio_wb32(pb, atom_size); /* size */
2201 ffio_wfourcc(pb, "ctts");
2202 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
2203 avio_w8(pb, 1); /* version */
2205 avio_w8(pb, 0); /* version */
2206 avio_wb24(pb, 0); /* flags */
2207 avio_wb32(pb, entries); /* entry count */
2208 for (i = 0; i < entries; i++) {
2209 avio_wb32(pb, ctts_entries[i].count);
2210 avio_wb32(pb, ctts_entries[i].duration);
2212 av_free(ctts_entries);
2216 /* Time to sample atom */
2217 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
2219 MOVStts *stts_entries = NULL;
2220 uint32_t entries = -1;
2224 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
2225 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
2227 return AVERROR(ENOMEM);
2228 stts_entries[0].count = track->sample_count;
2229 stts_entries[0].duration = 1;
2233 stts_entries = av_malloc_array(track->entry, sizeof(*stts_entries)); /* worst case */
2235 return AVERROR(ENOMEM);
2237 for (i = 0; i < track->entry; i++) {
2238 int duration = get_cluster_duration(track, i);
2239 if (i && duration == stts_entries[entries].duration) {
2240 stts_entries[entries].count++; /* compress */
2243 stts_entries[entries].duration = duration;
2244 stts_entries[entries].count = 1;
2247 entries++; /* last one */
2249 atom_size = 16 + (entries * 8);
2250 avio_wb32(pb, atom_size); /* size */
2251 ffio_wfourcc(pb, "stts");
2252 avio_wb32(pb, 0); /* version & flags */
2253 avio_wb32(pb, entries); /* entry count */
2254 for (i = 0; i < entries; i++) {
2255 avio_wb32(pb, stts_entries[i].count);
2256 avio_wb32(pb, stts_entries[i].duration);
2258 av_free(stts_entries);
2262 static int mov_write_dref_tag(AVIOContext *pb)
2264 avio_wb32(pb, 28); /* size */
2265 ffio_wfourcc(pb, "dref");
2266 avio_wb32(pb, 0); /* version & flags */
2267 avio_wb32(pb, 1); /* entry count */
2269 avio_wb32(pb, 0xc); /* size */
2270 //FIXME add the alis and rsrc atom
2271 ffio_wfourcc(pb, "url ");
2272 avio_wb32(pb, 1); /* version & flags */
2277 static int mov_preroll_write_stbl_atoms(AVIOContext *pb, MOVTrack *track)
2281 int16_t roll_distance;
2282 int group_description_index;
2285 struct sgpd_entry *sgpd_entries = NULL;
2290 const int OPUS_SEEK_PREROLL_MS = 80;
2291 int roll_samples = av_rescale_q(OPUS_SEEK_PREROLL_MS,
2292 (AVRational){1, 1000},
2293 (AVRational){1, 48000});
2298 sgpd_entries = av_malloc_array(track->entry, sizeof(*sgpd_entries));
2300 return AVERROR(ENOMEM);
2302 av_assert0(track->par->codec_id == AV_CODEC_ID_OPUS || track->par->codec_id == AV_CODEC_ID_AAC);
2304 if (track->par->codec_id == AV_CODEC_ID_OPUS) {
2305 for (i = 0; i < track->entry; i++) {
2306 int roll_samples_remaining = roll_samples;
2308 for (j = i - 1; j >= 0; j--) {
2309 roll_samples_remaining -= get_cluster_duration(track, j);
2311 if (roll_samples_remaining <= 0)
2314 /* We don't have enough preceeding samples to compute a valid
2315 roll_distance here, so this sample can't be independently
2317 if (roll_samples_remaining > 0)
2319 /* Verify distance is a minimum of 2 (60ms) packets and a maximum of
2320 32 (2.5ms) packets. */
2321 av_assert0(distance == 0 || (distance >= 2 && distance <= 32));
2322 if (i && distance == sgpd_entries[entries].roll_distance) {
2323 sgpd_entries[entries].count++;
2326 sgpd_entries[entries].count = 1;
2327 sgpd_entries[entries].roll_distance = distance;
2328 sgpd_entries[entries].group_description_index = distance ? ++group : 0;
2333 sgpd_entries[entries].count = track->sample_count;
2334 sgpd_entries[entries].roll_distance = 1;
2335 sgpd_entries[entries].group_description_index = ++group;
2340 av_free(sgpd_entries);
2344 /* Write sgpd tag */
2345 avio_wb32(pb, 24 + (group * 2)); /* size */
2346 ffio_wfourcc(pb, "sgpd");
2347 avio_wb32(pb, 1 << 24); /* fullbox */
2348 ffio_wfourcc(pb, "roll");
2349 avio_wb32(pb, 2); /* default_length */
2350 avio_wb32(pb, group); /* entry_count */
2351 for (i = 0; i < entries; i++) {
2352 if (sgpd_entries[i].group_description_index) {
2353 avio_wb16(pb, -sgpd_entries[i].roll_distance); /* roll_distance */
2357 /* Write sbgp tag */
2358 avio_wb32(pb, 20 + (entries * 8)); /* size */
2359 ffio_wfourcc(pb, "sbgp");
2360 avio_wb32(pb, 0); /* fullbox */
2361 ffio_wfourcc(pb, "roll");
2362 avio_wb32(pb, entries); /* entry_count */
2363 for (i = 0; i < entries; i++) {
2364 avio_wb32(pb, sgpd_entries[i].count); /* sample_count */
2365 avio_wb32(pb, sgpd_entries[i].group_description_index); /* group_description_index */
2368 av_free(sgpd_entries);
2372 static int mov_write_stbl_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2374 int64_t pos = avio_tell(pb);
2377 avio_wb32(pb, 0); /* size */
2378 ffio_wfourcc(pb, "stbl");
2379 mov_write_stsd_tag(s, pb, mov, track);
2380 mov_write_stts_tag(pb, track);
2381 if ((track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2382 track->par->codec_tag == MKTAG('r','t','p',' ')) &&
2383 track->has_keyframes && track->has_keyframes < track->entry)
2384 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
2385 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO && track->has_disposable)
2386 mov_write_sdtp_tag(pb, track);
2387 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
2388 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
2389 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO &&
2390 track->flags & MOV_TRACK_CTTS && track->entry) {
2392 if ((ret = mov_write_ctts_tag(s, pb, track)) < 0)
2395 mov_write_stsc_tag(pb, track);
2396 mov_write_stsz_tag(pb, track);
2397 mov_write_stco_tag(pb, track);
2398 if (track->cenc.aes_ctr) {
2399 ff_mov_cenc_write_stbl_atoms(&track->cenc, pb);
2401 if (track->par->codec_id == AV_CODEC_ID_OPUS || track->par->codec_id == AV_CODEC_ID_AAC) {
2402 mov_preroll_write_stbl_atoms(pb, track);
2404 return update_size(pb, pos);
2407 static int mov_write_dinf_tag(AVIOContext *pb)
2409 int64_t pos = avio_tell(pb);
2410 avio_wb32(pb, 0); /* size */
2411 ffio_wfourcc(pb, "dinf");
2412 mov_write_dref_tag(pb);
2413 return update_size(pb, pos);
2416 static int mov_write_nmhd_tag(AVIOContext *pb)
2419 ffio_wfourcc(pb, "nmhd");
2424 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
2426 int64_t pos = avio_tell(pb);
2427 const char *font = "Lucida Grande";
2428 avio_wb32(pb, 0); /* size */
2429 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
2430 avio_wb32(pb, 0); /* version & flags */
2431 avio_wb16(pb, 0); /* text font */
2432 avio_wb16(pb, 0); /* text face */
2433 avio_wb16(pb, 12); /* text size */
2434 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
2435 avio_wb16(pb, 0x0000); /* text color (red) */
2436 avio_wb16(pb, 0x0000); /* text color (green) */
2437 avio_wb16(pb, 0x0000); /* text color (blue) */
2438 avio_wb16(pb, 0xffff); /* background color (red) */
2439 avio_wb16(pb, 0xffff); /* background color (green) */
2440 avio_wb16(pb, 0xffff); /* background color (blue) */
2441 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
2442 avio_write(pb, font, strlen(font)); /* font name */
2443 return update_size(pb, pos);
2446 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
2448 int64_t pos = avio_tell(pb);
2449 avio_wb32(pb, 0); /* size */
2450 ffio_wfourcc(pb, "gmhd");
2451 avio_wb32(pb, 0x18); /* gmin size */
2452 ffio_wfourcc(pb, "gmin");/* generic media info */
2453 avio_wb32(pb, 0); /* version & flags */
2454 avio_wb16(pb, 0x40); /* graphics mode = */
2455 avio_wb16(pb, 0x8000); /* opColor (r?) */
2456 avio_wb16(pb, 0x8000); /* opColor (g?) */
2457 avio_wb16(pb, 0x8000); /* opColor (b?) */
2458 avio_wb16(pb, 0); /* balance */
2459 avio_wb16(pb, 0); /* reserved */
2462 * This special text atom is required for
2463 * Apple Quicktime chapters. The contents
2464 * don't appear to be documented, so the
2465 * bytes are copied verbatim.
2467 if (track->tag != MKTAG('c','6','0','8')) {
2468 avio_wb32(pb, 0x2C); /* size */
2469 ffio_wfourcc(pb, "text");
2470 avio_wb16(pb, 0x01);
2471 avio_wb32(pb, 0x00);
2472 avio_wb32(pb, 0x00);
2473 avio_wb32(pb, 0x00);
2474 avio_wb32(pb, 0x01);
2475 avio_wb32(pb, 0x00);
2476 avio_wb32(pb, 0x00);
2477 avio_wb32(pb, 0x00);
2478 avio_wb32(pb, 0x00004000);
2479 avio_wb16(pb, 0x0000);
2482 if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2483 int64_t tmcd_pos = avio_tell(pb);
2484 avio_wb32(pb, 0); /* size */
2485 ffio_wfourcc(pb, "tmcd");
2486 mov_write_tcmi_tag(pb, track);
2487 update_size(pb, tmcd_pos);
2488 } else if (track->par->codec_tag == MKTAG('g','p','m','d')) {
2489 int64_t gpmd_pos = avio_tell(pb);
2490 avio_wb32(pb, 0); /* size */
2491 ffio_wfourcc(pb, "gpmd");
2492 avio_wb32(pb, 0); /* version */
2493 update_size(pb, gpmd_pos);
2495 return update_size(pb, pos);
2498 static int mov_write_smhd_tag(AVIOContext *pb)
2500 avio_wb32(pb, 16); /* size */
2501 ffio_wfourcc(pb, "smhd");
2502 avio_wb32(pb, 0); /* version & flags */
2503 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
2504 avio_wb16(pb, 0); /* reserved */
2508 static int mov_write_vmhd_tag(AVIOContext *pb)
2510 avio_wb32(pb, 0x14); /* size (always 0x14) */
2511 ffio_wfourcc(pb, "vmhd");
2512 avio_wb32(pb, 0x01); /* version & flags */
2513 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
2517 static int is_clcp_track(MOVTrack *track)
2519 return track->tag == MKTAG('c','7','0','8') ||
2520 track->tag == MKTAG('c','6','0','8');
2523 static int mov_write_hdlr_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
2525 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
2526 int64_t pos = avio_tell(pb);
2530 descr = "DataHandler";
2533 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
2534 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
2536 descr = "VideoHandler";
2537 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
2539 descr = "SoundHandler";
2540 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2541 if (is_clcp_track(track)) {
2543 descr = "ClosedCaptionHandler";
2545 if (track->tag == MKTAG('t','x','3','g')) {
2547 } else if (track->tag == MKTAG('m','p','4','s')) {
2552 descr = "SubtitleHandler";
2554 } else if (track->par->codec_tag == MKTAG('r','t','p',' ')) {
2556 descr = "HintHandler";
2557 } else if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2559 descr = "TimeCodeHandler";
2560 } else if (track->par->codec_tag == MKTAG('g','p','m','d')) {
2562 descr = "GoPro MET"; // GoPro Metadata
2564 av_log(s, AV_LOG_WARNING,
2565 "Unknown hldr_type for %s, writing dummy values\n",
2566 av_fourcc2str(track->par->codec_tag));
2569 // hdlr.name is used by some players to identify the content title
2570 // of the track. So if an alternate handler description is
2571 // specified, use it.
2572 AVDictionaryEntry *t;
2573 t = av_dict_get(track->st->metadata, "handler", NULL, 0);
2574 if (t && utf8len(t->value))
2579 avio_wb32(pb, 0); /* size */
2580 ffio_wfourcc(pb, "hdlr");
2581 avio_wb32(pb, 0); /* Version & flags */
2582 avio_write(pb, hdlr, 4); /* handler */
2583 ffio_wfourcc(pb, hdlr_type); /* handler type */
2584 avio_wb32(pb, 0); /* reserved */
2585 avio_wb32(pb, 0); /* reserved */
2586 avio_wb32(pb, 0); /* reserved */
2587 if (!track || track->mode == MODE_MOV)
2588 avio_w8(pb, strlen(descr)); /* pascal string */
2589 avio_write(pb, descr, strlen(descr)); /* handler description */
2590 if (track && track->mode != MODE_MOV)
2591 avio_w8(pb, 0); /* c string */
2592 return update_size(pb, pos);
2595 static int mov_write_hmhd_tag(AVIOContext *pb)
2597 /* This atom must be present, but leaving the values at zero
2598 * seems harmless. */
2599 avio_wb32(pb, 28); /* size */
2600 ffio_wfourcc(pb, "hmhd");
2601 avio_wb32(pb, 0); /* version, flags */
2602 avio_wb16(pb, 0); /* maxPDUsize */
2603 avio_wb16(pb, 0); /* avgPDUsize */
2604 avio_wb32(pb, 0); /* maxbitrate */
2605 avio_wb32(pb, 0); /* avgbitrate */
2606 avio_wb32(pb, 0); /* reserved */
2610 static int mov_write_minf_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2612 int64_t pos = avio_tell(pb);
2615 avio_wb32(pb, 0); /* size */
2616 ffio_wfourcc(pb, "minf");
2617 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2618 mov_write_vmhd_tag(pb);
2619 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2620 mov_write_smhd_tag(pb);
2621 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2622 if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
2623 mov_write_gmhd_tag(pb, track);
2625 mov_write_nmhd_tag(pb);
2627 } else if (track->tag == MKTAG('r','t','p',' ')) {
2628 mov_write_hmhd_tag(pb);
2629 } else if (track->tag == MKTAG('t','m','c','d')) {
2630 if (track->mode != MODE_MOV)
2631 mov_write_nmhd_tag(pb);
2633 mov_write_gmhd_tag(pb, track);
2634 } else if (track->tag == MKTAG('g','p','m','d')) {
2635 mov_write_gmhd_tag(pb, track);
2637 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
2638 mov_write_hdlr_tag(s, pb, NULL);
2639 mov_write_dinf_tag(pb);
2640 if ((ret = mov_write_stbl_tag(s, pb, mov, track)) < 0)
2642 return update_size(pb, pos);
2645 static int mov_write_mdhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2648 int version = track->track_duration < INT32_MAX ? 0 : 1;
2650 if (track->mode == MODE_ISM)
2653 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
2654 ffio_wfourcc(pb, "mdhd");
2655 avio_w8(pb, version);
2656 avio_wb24(pb, 0); /* flags */
2658 avio_wb64(pb, track->time);
2659 avio_wb64(pb, track->time);
2661 avio_wb32(pb, track->time); /* creation time */
2662 avio_wb32(pb, track->time); /* modification time */
2664 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
2665 if (!track->entry && mov->mode == MODE_ISM)
2666 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2667 else if (!track->entry)
2668 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2670 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
2671 avio_wb16(pb, track->language); /* language */
2672 avio_wb16(pb, 0); /* reserved (quality) */
2674 if (version != 0 && track->mode == MODE_MOV) {
2675 av_log(NULL, AV_LOG_ERROR,
2676 "FATAL error, file duration too long for timebase, this file will not be\n"
2677 "playable with quicktime. Choose a different timebase or a different\n"
2678 "container format\n");
2684 static int mov_write_mdia_tag(AVFormatContext *s, AVIOContext *pb,
2685 MOVMuxContext *mov, MOVTrack *track)
2687 int64_t pos = avio_tell(pb);
2690 avio_wb32(pb, 0); /* size */
2691 ffio_wfourcc(pb, "mdia");
2692 mov_write_mdhd_tag(pb, mov, track);
2693 mov_write_hdlr_tag(s, pb, track);
2694 if ((ret = mov_write_minf_tag(s, pb, mov, track)) < 0)
2696 return update_size(pb, pos);
2699 /* transformation matrix
2703 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
2704 int16_t d, int16_t tx, int16_t ty)
2706 avio_wb32(pb, a << 16); /* 16.16 format */
2707 avio_wb32(pb, b << 16); /* 16.16 format */
2708 avio_wb32(pb, 0); /* u in 2.30 format */
2709 avio_wb32(pb, c << 16); /* 16.16 format */
2710 avio_wb32(pb, d << 16); /* 16.16 format */
2711 avio_wb32(pb, 0); /* v in 2.30 format */
2712 avio_wb32(pb, tx << 16); /* 16.16 format */
2713 avio_wb32(pb, ty << 16); /* 16.16 format */
2714 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
2717 static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2718 MOVTrack *track, AVStream *st)
2720 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
2721 track->timescale, AV_ROUND_UP);
2722 int version = duration < INT32_MAX ? 0 : 1;
2723 int flags = MOV_TKHD_FLAG_IN_MOVIE;
2727 uint32_t *display_matrix = NULL;
2728 int display_matrix_size, i;
2731 if (mov->per_stream_grouping)
2734 group = st->codecpar->codec_type;
2736 display_matrix = (uint32_t*)av_stream_get_side_data(st, AV_PKT_DATA_DISPLAYMATRIX,
2737 &display_matrix_size);
2738 if (display_matrix && display_matrix_size < 9 * sizeof(*display_matrix))
2739 display_matrix = NULL;
2742 if (track->flags & MOV_TRACK_ENABLED)
2743 flags |= MOV_TKHD_FLAG_ENABLED;
2745 if (track->mode == MODE_ISM)
2748 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
2749 ffio_wfourcc(pb, "tkhd");
2750 avio_w8(pb, version);
2751 avio_wb24(pb, flags);
2753 avio_wb64(pb, track->time);
2754 avio_wb64(pb, track->time);
2756 avio_wb32(pb, track->time); /* creation time */
2757 avio_wb32(pb, track->time); /* modification time */
2759 avio_wb32(pb, track->track_id); /* track-id */
2760 avio_wb32(pb, 0); /* reserved */
2761 if (!track->entry && mov->mode == MODE_ISM)
2762 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2763 else if (!track->entry)
2764 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2766 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
2768 avio_wb32(pb, 0); /* reserved */
2769 avio_wb32(pb, 0); /* reserved */
2770 avio_wb16(pb, 0); /* layer */
2771 avio_wb16(pb, group); /* alternate group) */
2772 /* Volume, only for audio */
2773 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2774 avio_wb16(pb, 0x0100);
2777 avio_wb16(pb, 0); /* reserved */
2779 /* Matrix structure */
2780 #if FF_API_OLD_ROTATE_API
2781 if (st && st->metadata) {
2782 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
2783 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
2786 if (display_matrix) {
2787 for (i = 0; i < 9; i++)
2788 avio_wb32(pb, display_matrix[i]);
2789 #if FF_API_OLD_ROTATE_API
2790 } else if (rotation == 90) {
2791 write_matrix(pb, 0, 1, -1, 0, track->par->height, 0);
2792 } else if (rotation == 180) {
2793 write_matrix(pb, -1, 0, 0, -1, track->par->width, track->par->height);
2794 } else if (rotation == 270) {
2795 write_matrix(pb, 0, -1, 1, 0, 0, track->par->width);
2798 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2800 /* Track width and height, for visual only */
2801 if (st && (track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2802 track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
2803 int64_t track_width_1616;
2804 if (track->mode == MODE_MOV) {
2805 track_width_1616 = track->par->width * 0x10000ULL;
2807 track_width_1616 = av_rescale(st->sample_aspect_ratio.num,
2808 track->par->width * 0x10000LL,
2809 st->sample_aspect_ratio.den);
2810 if (!track_width_1616 ||
2811 track->height != track->par->height ||
2812 track_width_1616 > UINT32_MAX)
2813 track_width_1616 = track->par->width * 0x10000ULL;
2815 if (track_width_1616 > UINT32_MAX) {
2816 av_log(mov->fc, AV_LOG_WARNING, "track width is too large\n");
2817 track_width_1616 = 0;
2819 avio_wb32(pb, track_width_1616);
2820 if (track->height > 0xFFFF) {
2821 av_log(mov->fc, AV_LOG_WARNING, "track height is too large\n");
2824 avio_wb32(pb, track->height * 0x10000U);
2832 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
2834 int32_t width = av_rescale(track->par->sample_aspect_ratio.num, track->par->width,
2835 track->par->sample_aspect_ratio.den);
2837 int64_t pos = avio_tell(pb);
2839 avio_wb32(pb, 0); /* size */
2840 ffio_wfourcc(pb, "tapt");
2843 ffio_wfourcc(pb, "clef");
2845 avio_wb32(pb, width << 16);
2846 avio_wb32(pb, track->par->height << 16);
2849 ffio_wfourcc(pb, "prof");
2851 avio_wb32(pb, width << 16);
2852 avio_wb32(pb, track->par->height << 16);
2855 ffio_wfourcc(pb, "enof");
2857 avio_wb32(pb, track->par->width << 16);
2858 avio_wb32(pb, track->par->height << 16);
2860 return update_size(pb, pos);
2863 // This box seems important for the psp playback ... without it the movie seems to hang
2864 static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov,
2867 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
2868 track->timescale, AV_ROUND_UP);
2869 int version = duration < INT32_MAX ? 0 : 1;
2870 int entry_size, entry_count, size;
2871 int64_t delay, start_ct = track->start_cts;
2872 int64_t start_dts = track->start_dts;
2875 if (start_dts != track->cluster[0].dts || start_ct != track->cluster[0].cts) {
2877 av_log(mov->fc, AV_LOG_DEBUG,
2878 "EDTS using dts:%"PRId64" cts:%d instead of dts:%"PRId64" cts:%"PRId64" tid:%d\n",
2879 track->cluster[0].dts, track->cluster[0].cts,
2880 start_dts, start_ct, track->track_id);
2881 start_dts = track->cluster[0].dts;
2882 start_ct = track->cluster[0].cts;
2886 delay = av_rescale_rnd(start_dts + start_ct, MOV_TIMESCALE,
2887 track->timescale, AV_ROUND_DOWN);
2888 version |= delay < INT32_MAX ? 0 : 1;
2890 entry_size = (version == 1) ? 20 : 12;
2891 entry_count = 1 + (delay > 0);
2892 size = 24 + entry_count * entry_size;
2894 /* write the atom data */
2895 avio_wb32(pb, size);
2896 ffio_wfourcc(pb, "edts");
2897 avio_wb32(pb, size - 8);
2898 ffio_wfourcc(pb, "elst");
2899 avio_w8(pb, version);
2900 avio_wb24(pb, 0); /* flags */
2902 avio_wb32(pb, entry_count);
2903 if (delay > 0) { /* add an empty edit to delay presentation */
2904 /* In the positive delay case, the delay includes the cts
2905 * offset, and the second edit list entry below trims out
2906 * the same amount from the actual content. This makes sure
2907 * that the offset last sample is included in the edit
2908 * list duration as well. */
2910 avio_wb64(pb, delay);
2913 avio_wb32(pb, delay);
2916 avio_wb32(pb, 0x00010000);
2918 /* Avoid accidentally ending up with start_ct = -1 which has got a
2919 * special meaning. Normally start_ct should end up positive or zero
2920 * here, but use FFMIN in case dts is a small positive integer
2921 * rounded to 0 when represented in MOV_TIMESCALE units. */
2922 av_assert0(av_rescale_rnd(start_dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
2923 start_ct = -FFMIN(start_dts, 0);
2924 /* Note, this delay is calculated from the pts of the first sample,
2925 * ensuring that we don't reduce the duration for cases with
2930 /* For fragmented files, we don't know the full length yet. Setting
2931 * duration to 0 allows us to only specify the offset, including
2932 * the rest of the content (from all future fragments) without specifying
2933 * an explicit duration. */
2934 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2939 avio_wb64(pb, duration);
2940 avio_wb64(pb, start_ct);
2942 avio_wb32(pb, duration);
2943 avio_wb32(pb, start_ct);
2945 avio_wb32(pb, 0x00010000);
2949 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
2951 avio_wb32(pb, 20); // size
2952 ffio_wfourcc(pb, "tref");
2953 avio_wb32(pb, 12); // size (subatom)
2954 avio_wl32(pb, track->tref_tag);
2955 avio_wb32(pb, track->tref_id);
2959 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
2960 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
2962 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
2963 ffio_wfourcc(pb, "uuid");
2964 ffio_wfourcc(pb, "USMT");
2965 avio_wb32(pb, 0x21d24fce);
2966 avio_wb32(pb, 0xbb88695c);
2967 avio_wb32(pb, 0xfac9c740);
2968 avio_wb32(pb, 0x1c); // another size here!
2969 ffio_wfourcc(pb, "MTDT");
2970 avio_wb32(pb, 0x00010012);
2971 avio_wb32(pb, 0x0a);
2972 avio_wb32(pb, 0x55c40000);
2978 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
2980 AVFormatContext *ctx = track->rtp_ctx;
2981 char buf[1000] = "";
2984 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
2985 NULL, NULL, 0, 0, ctx);
2986 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
2989 avio_wb32(pb, len + 24);
2990 ffio_wfourcc(pb, "udta");
2991 avio_wb32(pb, len + 16);
2992 ffio_wfourcc(pb, "hnti");
2993 avio_wb32(pb, len + 8);
2994 ffio_wfourcc(pb, "sdp ");
2995 avio_write(pb, buf, len);
2999 static int mov_write_track_metadata(AVIOContext *pb, AVStream *st,
3000 const char *tag, const char *str)
3002 int64_t pos = avio_tell(pb);
3003 AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
3004 if (!t || !utf8len(t->value))
3007 avio_wb32(pb, 0); /* size */
3008 ffio_wfourcc(pb, tag); /* type */
3009 avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
3010 return update_size(pb, pos);
3013 static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3016 AVIOContext *pb_buf;
3023 ret = avio_open_dyn_buf(&pb_buf);
3027 if (mov->mode & (MODE_MP4|MODE_MOV))
3028 mov_write_track_metadata(pb_buf, st, "name", "title");
3030 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
3031 avio_wb32(pb, size + 8);
3032 ffio_wfourcc(pb, "udta");
3033 avio_write(pb, buf, size);
3040 static int mov_write_trak_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov,
3041 MOVTrack *track, AVStream *st)
3043 int64_t pos = avio_tell(pb);
3044 int entry_backup = track->entry;
3045 int chunk_backup = track->chunkCount;
3048 /* If we want to have an empty moov, but some samples already have been
3049 * buffered (delay_moov), pretend that no samples have been written yet. */
3050 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV)
3051 track->chunkCount = track->entry = 0;
3053 avio_wb32(pb, 0); /* size */
3054 ffio_wfourcc(pb, "trak");
3055 mov_write_tkhd_tag(pb, mov, track, st);
3057 av_assert2(mov->use_editlist >= 0);
3059 if (track->start_dts != AV_NOPTS_VALUE) {
3060 if (mov->use_editlist)
3061 mov_write_edts_tag(pb, mov, track); // PSP Movies and several other cases require edts box
3062 else if ((track->entry && track->cluster[0].dts) || track->mode == MODE_PSP || is_clcp_track(track))
3063 av_log(mov->fc, AV_LOG_WARNING,
3064 "Not writing any edit list even though one would have been required\n");
3067 if (track->tref_tag)
3068 mov_write_tref_tag(pb, track);
3070 if ((ret = mov_write_mdia_tag(s, pb, mov, track)) < 0)
3072 if (track->mode == MODE_PSP)
3073 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
3074 if (track->tag == MKTAG('r','t','p',' '))
3075 mov_write_udta_sdp(pb, track);
3076 if (track->mode == MODE_MOV) {
3077 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
3078 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
3079 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio) {
3080 mov_write_tapt_tag(pb, track);
3083 if (is_clcp_track(track) && st->sample_aspect_ratio.num) {
3084 mov_write_tapt_tag(pb, track);
3087 mov_write_track_udta_tag(pb, mov, st);
3088 track->entry = entry_backup;
3089 track->chunkCount = chunk_backup;
3090 return update_size(pb, pos);
3093 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
3095 int i, has_audio = 0, has_video = 0;
3096 int64_t pos = avio_tell(pb);
3097 int audio_profile = mov->iods_audio_profile;
3098 int video_profile = mov->iods_video_profile;
3099 for (i = 0; i < mov->nb_streams; i++) {
3100 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3101 has_audio |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_AUDIO;
3102 has_video |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_VIDEO;
3105 if (audio_profile < 0)
3106 audio_profile = 0xFF - has_audio;
3107 if (video_profile < 0)
3108 video_profile = 0xFF - has_video;
3109 avio_wb32(pb, 0x0); /* size */
3110 ffio_wfourcc(pb, "iods");
3111 avio_wb32(pb, 0); /* version & flags */
3112 put_descr(pb, 0x10, 7);
3113 avio_wb16(pb, 0x004f);
3116 avio_w8(pb, audio_profile);
3117 avio_w8(pb, video_profile);
3119 return update_size(pb, pos);
3122 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
3124 avio_wb32(pb, 0x20); /* size */
3125 ffio_wfourcc(pb, "trex");
3126 avio_wb32(pb, 0); /* version & flags */
3127 avio_wb32(pb, track->track_id); /* track ID */
3128 avio_wb32(pb, 1); /* default sample description index */
3129 avio_wb32(pb, 0); /* default sample duration */
3130 avio_wb32(pb, 0); /* default sample size */
3131 avio_wb32(pb, 0); /* default sample flags */
3135 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
3137 int64_t pos = avio_tell(pb);
3139 avio_wb32(pb, 0x0); /* size */
3140 ffio_wfourcc(pb, "mvex");
3141 for (i = 0; i < mov->nb_streams; i++)
3142 mov_write_trex_tag(pb, &mov->tracks[i]);
3143 return update_size(pb, pos);
3146 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
3148 int max_track_id = 1, i;
3149 int64_t max_track_len = 0;
3152 for (i = 0; i < mov->nb_streams; i++) {
3153 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
3154 int64_t max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
3156 mov->tracks[i].timescale,
3158 if (max_track_len < max_track_len_temp)
3159 max_track_len = max_track_len_temp;
3160 if (max_track_id < mov->tracks[i].track_id)
3161 max_track_id = mov->tracks[i].track_id;
3164 /* If using delay_moov, make sure the output is the same as if no
3165 * samples had been written yet. */
3166 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3171 version = max_track_len < UINT32_MAX ? 0 : 1;
3172 avio_wb32(pb, version == 1 ? 120 : 108); /* size */
3174 ffio_wfourcc(pb, "mvhd");
3175 avio_w8(pb, version);
3176 avio_wb24(pb, 0); /* flags */
3178 avio_wb64(pb, mov->time);
3179 avio_wb64(pb, mov->time);
3181 avio_wb32(pb, mov->time); /* creation time */
3182 avio_wb32(pb, mov->time); /* modification time */
3184 avio_wb32(pb, MOV_TIMESCALE);
3185 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
3187 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
3188 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
3189 avio_wb16(pb, 0); /* reserved */
3190 avio_wb32(pb, 0); /* reserved */
3191 avio_wb32(pb, 0); /* reserved */
3193 /* Matrix structure */
3194 write_matrix(pb, 1, 0, 0, 1, 0, 0);
3196 avio_wb32(pb, 0); /* reserved (preview time) */
3197 avio_wb32(pb, 0); /* reserved (preview duration) */
3198 avio_wb32(pb, 0); /* reserved (poster time) */
3199 avio_wb32(pb, 0); /* reserved (selection time) */
3200 avio_wb32(pb, 0); /* reserved (selection duration) */
3201 avio_wb32(pb, 0); /* reserved (current time) */
3202 avio_wb32(pb, max_track_id + 1); /* Next track id */
3206 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3209 avio_wb32(pb, 33); /* size */
3210 ffio_wfourcc(pb, "hdlr");
3213 ffio_wfourcc(pb, "mdir");
3214 ffio_wfourcc(pb, "appl");
3221 /* helper function to write a data tag with the specified string as data */
3222 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
3225 int size = 16 + strlen(data);
3226 avio_wb32(pb, size); /* size */
3227 ffio_wfourcc(pb, "data");
3230 avio_write(pb, data, strlen(data));
3234 lang = ff_mov_iso639_to_lang("und", 1);
3235 avio_wb16(pb, strlen(data)); /* string length */
3236 avio_wb16(pb, lang);
3237 avio_write(pb, data, strlen(data));
3238 return strlen(data) + 4;
3242 static int mov_write_string_tag(AVIOContext *pb, const char *name,
3243 const char *value, int lang, int long_style)
3246 if (value && value[0]) {
3247 int64_t pos = avio_tell(pb);
3248 avio_wb32(pb, 0); /* size */
3249 ffio_wfourcc(pb, name);
3250 mov_write_string_data_tag(pb, value, lang, long_style);
3251 size = update_size(pb, pos);
3256 static AVDictionaryEntry *get_metadata_lang(AVFormatContext *s,
3257 const char *tag, int *lang)
3260 AVDictionaryEntry *t, *t2 = NULL;
3265 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3268 len = strlen(t->key);
3269 snprintf(tag2, sizeof(tag2), "%s-", tag);
3270 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
3271 len2 = strlen(t2->key);
3272 if (len2 == len + 4 && !strcmp(t->value, t2->value)
3273 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
3281 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
3282 const char *name, const char *tag,
3286 AVDictionaryEntry *t = get_metadata_lang(s, tag, &lang);
3289 return mov_write_string_tag(pb, name, t->value, lang, long_style);
3292 /* iTunes bpm number */
3293 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
3295 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
3296 int size = 0, tmpo = t ? atoi(t->value) : 0;
3299 avio_wb32(pb, size);
3300 ffio_wfourcc(pb, "tmpo");
3301 avio_wb32(pb, size-8); /* size */
3302 ffio_wfourcc(pb, "data");
3303 avio_wb32(pb, 0x15); //type specifier
3305 avio_wb16(pb, tmpo); // data
3310 /* 3GPP TS 26.244 */
3311 static int mov_write_loci_tag(AVFormatContext *s, AVIOContext *pb)
3314 int64_t pos = avio_tell(pb);
3315 double latitude, longitude, altitude;
3316 int32_t latitude_fix, longitude_fix, altitude_fix;
3317 AVDictionaryEntry *t = get_metadata_lang(s, "location", &lang);
3318 const char *ptr, *place = "";
3320 static const char *astronomical_body = "earth";
3325 longitude = strtod(ptr, &end);
3327 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3331 latitude = strtod(ptr, &end);
3333 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3337 altitude = strtod(ptr, &end);
3338 /* If no altitude was present, the default 0 should be fine */
3342 latitude_fix = (int32_t) ((1 << 16) * latitude);
3343 longitude_fix = (int32_t) ((1 << 16) * longitude);
3344 altitude_fix = (int32_t) ((1 << 16) * altitude);
3346 avio_wb32(pb, 0); /* size */
3347 ffio_wfourcc(pb, "loci"); /* type */
3348 avio_wb32(pb, 0); /* version + flags */
3349 avio_wb16(pb, lang);
3350 avio_write(pb, place, strlen(place) + 1);
3351 avio_w8(pb, 0); /* role of place (0 == shooting location, 1 == real location, 2 == fictional location) */
3352 avio_wb32(pb, latitude_fix);
3353 avio_wb32(pb, longitude_fix);
3354 avio_wb32(pb, altitude_fix);
3355 avio_write(pb, astronomical_body, strlen(astronomical_body) + 1);
3356 avio_w8(pb, 0); /* additional notes, null terminated string */
3358 return update_size(pb, pos);
3361 /* iTunes track or disc number */
3362 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
3363 AVFormatContext *s, int disc)
3365 AVDictionaryEntry *t = av_dict_get(s->metadata,
3366 disc ? "disc" : "track",
3368 int size = 0, track = t ? atoi(t->value) : 0;
3371 char *slash = strchr(t->value, '/');
3373 tracks = atoi(slash + 1);
3374 avio_wb32(pb, 32); /* size */
3375 ffio_wfourcc(pb, disc ? "disk" : "trkn");
3376 avio_wb32(pb, 24); /* size */
3377 ffio_wfourcc(pb, "data");
3378 avio_wb32(pb, 0); // 8 bytes empty
3380 avio_wb16(pb, 0); // empty
3381 avio_wb16(pb, track); // track / disc number
3382 avio_wb16(pb, tracks); // total track / disc number
3383 avio_wb16(pb, 0); // empty
3389 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
3390 const char *name, const char *tag,
3393 AVDictionaryEntry *t = NULL;
3395 int size = 24 + len;
3397 if (len != 1 && len != 4)
3400 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3402 num = atoi(t->value);
3404 avio_wb32(pb, size);
3405 ffio_wfourcc(pb, name);
3406 avio_wb32(pb, size - 8);
3407 ffio_wfourcc(pb, "data");
3408 avio_wb32(pb, 0x15);
3410 if (len==4) avio_wb32(pb, num);
3411 else avio_w8 (pb, num);
3416 /* iTunes meta data list */
3417 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3420 int64_t pos = avio_tell(pb);
3421 avio_wb32(pb, 0); /* size */
3422 ffio_wfourcc(pb, "ilst");
3423 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
3424 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
3425 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
3426 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
3427 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
3428 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
3429 if (!mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1)) {
3430 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3431 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
3433 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
3434 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
3435 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
3436 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
3437 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
3438 mov_write_string_metadata(s, pb, "desc", "description",1);
3439 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
3440 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
3441 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
3442 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
3443 mov_write_string_metadata(s, pb, "keyw", "keywords" , 1);
3444 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
3445 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
3446 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
3447 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
3448 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
3449 mov_write_int8_metadata (s, pb, "cpil", "compilation", 1);
3450 mov_write_trkn_tag(pb, mov, s, 0); // track number
3451 mov_write_trkn_tag(pb, mov, s, 1); // disc number
3452 mov_write_tmpo_tag(pb, s);
3453 return update_size(pb, pos);
3456 static int mov_write_mdta_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3459 avio_wb32(pb, 33); /* size */
3460 ffio_wfourcc(pb, "hdlr");
3463 ffio_wfourcc(pb, "mdta");
3471 static int mov_write_mdta_keys_tag(AVIOContext *pb, MOVMuxContext *mov,
3474 AVDictionaryEntry *t = NULL;
3475 int64_t pos = avio_tell(pb);
3476 int64_t curpos, entry_pos;
3479 avio_wb32(pb, 0); /* size */
3480 ffio_wfourcc(pb, "keys");
3482 entry_pos = avio_tell(pb);
3483 avio_wb32(pb, 0); /* entry count */
3485 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3486 avio_wb32(pb, strlen(t->key) + 8);
3487 ffio_wfourcc(pb, "mdta");
3488 avio_write(pb, t->key, strlen(t->key));
3491 curpos = avio_tell(pb);
3492 avio_seek(pb, entry_pos, SEEK_SET);
3493 avio_wb32(pb, count); // rewrite entry count
3494 avio_seek(pb, curpos, SEEK_SET);
3496 return update_size(pb, pos);
3499 static int mov_write_mdta_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3502 AVDictionaryEntry *t = NULL;
3503 int64_t pos = avio_tell(pb);
3504 int count = 1; /* keys are 1-index based */
3506 avio_wb32(pb, 0); /* size */
3507 ffio_wfourcc(pb, "ilst");
3509 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3510 int64_t entry_pos = avio_tell(pb);
3511 avio_wb32(pb, 0); /* size */
3512 avio_wb32(pb, count); /* key */
3513 mov_write_string_data_tag(pb, t->value, 0, 1);
3514 update_size(pb, entry_pos);
3517 return update_size(pb, pos);
3520 /* meta data tags */
3521 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
3525 int64_t pos = avio_tell(pb);
3526 avio_wb32(pb, 0); /* size */
3527 ffio_wfourcc(pb, "meta");
3529 if (mov->flags & FF_MOV_FLAG_USE_MDTA) {
3530 mov_write_mdta_hdlr_tag(pb, mov, s);
3531 mov_write_mdta_keys_tag(pb, mov, s);
3532 mov_write_mdta_ilst_tag(pb, mov, s);
3535 /* iTunes metadata tag */
3536 mov_write_itunes_hdlr_tag(pb, mov, s);
3537 mov_write_ilst_tag(pb, mov, s);
3539 size = update_size(pb, pos);
3543 static int mov_write_raw_metadata_tag(AVFormatContext *s, AVIOContext *pb,
3544 const char *name, const char *key)
3547 AVDictionaryEntry *t;
3549 if (!(t = av_dict_get(s->metadata, key, NULL, 0)))
3552 len = strlen(t->value);
3555 avio_wb32(pb, size);
3556 ffio_wfourcc(pb, name);
3557 avio_write(pb, t->value, len);
3563 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
3567 GET_UTF8(val, *b++, return -1;)
3570 avio_wb16(pb, 0x00);
3574 static uint16_t language_code(const char *str)
3576 return (((str[0] - 0x60) & 0x1F) << 10) +
3577 (((str[1] - 0x60) & 0x1F) << 5) +
3578 (( str[2] - 0x60) & 0x1F);
3581 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
3582 const char *tag, const char *str)
3584 int64_t pos = avio_tell(pb);
3585 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
3586 if (!t || !utf8len(t->value))
3588 avio_wb32(pb, 0); /* size */
3589 ffio_wfourcc(pb, tag); /* type */
3590 avio_wb32(pb, 0); /* version + flags */
3591 if (!strcmp(tag, "yrrc"))
3592 avio_wb16(pb, atoi(t->value));
3594 avio_wb16(pb, language_code("eng")); /* language */
3595 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
3596 if (!strcmp(tag, "albm") &&
3597 (t = av_dict_get(s->metadata, "track", NULL, 0)))
3598 avio_w8(pb, atoi(t->value));
3600 return update_size(pb, pos);
3603 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
3605 int64_t pos = avio_tell(pb);
3606 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
3608 avio_wb32(pb, 0); // size
3609 ffio_wfourcc(pb, "chpl");
3610 avio_wb32(pb, 0x01000000); // version + flags
3611 avio_wb32(pb, 0); // unknown
3612 avio_w8(pb, nb_chapters);
3614 for (i = 0; i < nb_chapters; i++) {
3615 AVChapter *c = s->chapters[i];
3616 AVDictionaryEntry *t;
3617 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
3619 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3620 int len = FFMIN(strlen(t->value), 255);
3622 avio_write(pb, t->value, len);
3626 return update_size(pb, pos);
3629 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3632 AVIOContext *pb_buf;
3636 ret = avio_open_dyn_buf(&pb_buf);
3640 if (mov->mode & MODE_3GP) {
3641 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
3642 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
3643 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
3644 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
3645 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
3646 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
3647 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
3648 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
3649 mov_write_loci_tag(s, pb_buf);
3650 } 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
3651 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
3652 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
3653 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
3654 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
3655 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
3656 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
3657 // currently ignored by mov.c
3658 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
3659 // add support for libquicktime, this atom is also actually read by mov.c
3660 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
3661 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
3662 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
3663 mov_write_string_metadata(s, pb_buf, "\251mak", "make", 0);
3664 mov_write_string_metadata(s, pb_buf, "\251mod", "model", 0);
3665 mov_write_string_metadata(s, pb_buf, "\251xyz", "location", 0);
3666 mov_write_string_metadata(s, pb_buf, "\251key", "keywords", 0);
3667 mov_write_raw_metadata_tag(s, pb_buf, "XMP_", "xmp");
3669 /* iTunes meta data */
3670 mov_write_meta_tag(pb_buf, mov, s);
3671 mov_write_loci_tag(s, pb_buf);
3674 if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
3675 mov_write_chpl_tag(pb_buf, s);
3677 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
3678 avio_wb32(pb, size + 8);
3679 ffio_wfourcc(pb, "udta");
3680 avio_write(pb, buf, size);
3687 static void mov_write_psp_udta_tag(AVIOContext *pb,
3688 const char *str, const char *lang, int type)
3690 int len = utf8len(str) + 1;
3693 avio_wb16(pb, len * 2 + 10); /* size */
3694 avio_wb32(pb, type); /* type */
3695 avio_wb16(pb, language_code(lang)); /* language */
3696 avio_wb16(pb, 0x01); /* ? */
3697 ascii_to_wc(pb, str);
3700 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
3702 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
3706 pos = avio_tell(pb);
3707 avio_wb32(pb, 0); /* size placeholder*/
3708 ffio_wfourcc(pb, "uuid");
3709 ffio_wfourcc(pb, "USMT");
3710 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
3711 avio_wb32(pb, 0xbb88695c);
3712 avio_wb32(pb, 0xfac9c740);
3714 pos2 = avio_tell(pb);
3715 avio_wb32(pb, 0); /* size placeholder*/
3716 ffio_wfourcc(pb, "MTDT");
3720 avio_wb16(pb, 0x0C); /* size */
3721 avio_wb32(pb, 0x0B); /* type */
3722 avio_wb16(pb, language_code("und")); /* language */
3723 avio_wb16(pb, 0x0); /* ? */
3724 avio_wb16(pb, 0x021C); /* data */
3726 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3727 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
3728 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
3729 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
3731 update_size(pb, pos2);
3732 return update_size(pb, pos);
3738 static void build_chunks(MOVTrack *trk)
3741 MOVIentry *chunk = &trk->cluster[0];
3742 uint64_t chunkSize = chunk->size;
3743 chunk->chunkNum = 1;
3744 if (trk->chunkCount)
3746 trk->chunkCount = 1;
3747 for (i = 1; i<trk->entry; i++){
3748 if (chunk->pos + chunkSize == trk->cluster[i].pos &&
3749 chunkSize + trk->cluster[i].size < (1<<20)){
3750 chunkSize += trk->cluster[i].size;
3751 chunk->samples_in_chunk += trk->cluster[i].entries;
3753 trk->cluster[i].chunkNum = chunk->chunkNum+1;
3754 chunk=&trk->cluster[i];
3755 chunkSize = chunk->size;
3762 * Assign track ids. If option "use_stream_ids_as_track_ids" is set,
3763 * the stream ids are used as track ids.
3765 * This assumes mov->tracks and s->streams are in the same order and
3766 * there are no gaps in either of them (so mov->tracks[n] refers to
3769 * As an exception, there can be more entries in
3770 * s->streams than in mov->tracks, in which case new track ids are
3771 * generated (starting after the largest found stream id).
3773 static int mov_setup_track_ids(MOVMuxContext *mov, AVFormatContext *s)
3777 if (mov->track_ids_ok)
3780 if (mov->use_stream_ids_as_track_ids) {
3781 int next_generated_track_id = 0;
3782 for (i = 0; i < s->nb_streams; i++) {
3783 if (s->streams[i]->id > next_generated_track_id)
3784 next_generated_track_id = s->streams[i]->id;
3787 for (i = 0; i < mov->nb_streams; i++) {
3788 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3791 mov->tracks[i].track_id = i >= s->nb_streams ? ++next_generated_track_id : s->streams[i]->id;
3794 for (i = 0; i < mov->nb_streams; i++) {
3795 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3798 mov->tracks[i].track_id = i + 1;
3802 mov->track_ids_ok = 1;
3807 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
3811 int64_t pos = avio_tell(pb);
3812 avio_wb32(pb, 0); /* size placeholder*/
3813 ffio_wfourcc(pb, "moov");
3815 mov_setup_track_ids(mov, s);
3817 for (i = 0; i < mov->nb_streams; i++) {
3818 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3821 mov->tracks[i].time = mov->time;
3823 if (mov->tracks[i].entry)
3824 build_chunks(&mov->tracks[i]);
3827 if (mov->chapter_track)
3828 for (i = 0; i < s->nb_streams; i++) {
3829 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
3830 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
3832 for (i = 0; i < mov->nb_streams; i++) {
3833 MOVTrack *track = &mov->tracks[i];
3834 if (track->tag == MKTAG('r','t','p',' ')) {
3835 track->tref_tag = MKTAG('h','i','n','t');
3836 track->tref_id = mov->tracks[track->src_track].track_id;
3837 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
3838 int * fallback, size;
3839 fallback = (int*)av_stream_get_side_data(track->st,
3840 AV_PKT_DATA_FALLBACK_TRACK,
3842 if (fallback != NULL && size == sizeof(int)) {
3843 if (*fallback >= 0 && *fallback < mov->nb_streams) {
3844 track->tref_tag = MKTAG('f','a','l','l');
3845 track->tref_id = mov->tracks[*fallback].track_id;
3850 for (i = 0; i < mov->nb_streams; i++) {
3851 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
3852 int src_trk = mov->tracks[i].src_track;
3853 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
3854 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
3855 //src_trk may have a different timescale than the tmcd track
3856 mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration,
3857 mov->tracks[i].timescale,
3858 mov->tracks[src_trk].timescale);
3862 mov_write_mvhd_tag(pb, mov);
3863 if (mov->mode != MODE_MOV && !mov->iods_skip)
3864 mov_write_iods_tag(pb, mov);
3865 for (i = 0; i < mov->nb_streams; i++) {
3866 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
3867 int ret = mov_write_trak_tag(s, pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
3872 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
3873 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
3875 if (mov->mode == MODE_PSP)
3876 mov_write_uuidusmt_tag(pb, s);
3878 mov_write_udta_tag(pb, mov, s);
3880 return update_size(pb, pos);
3883 static void param_write_int(AVIOContext *pb, const char *name, int value)
3885 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
3888 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
3890 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
3893 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
3896 len = FFMIN(sizeof(buf) / 2 - 1, len);
3897 ff_data_to_hex(buf, value, len, 0);
3898 buf[2 * len] = '\0';
3899 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
3902 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
3904 int64_t pos = avio_tell(pb);
3906 int64_t manifest_bit_rate = 0;
3907 AVCPBProperties *props = NULL;
3909 static const uint8_t uuid[] = {
3910 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
3911 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
3915 ffio_wfourcc(pb, "uuid");
3916 avio_write(pb, uuid, sizeof(uuid));
3919 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
3920 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
3921 avio_printf(pb, "<head>\n");
3922 if (!(mov->fc->flags & AVFMT_FLAG_BITEXACT))
3923 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
3925 avio_printf(pb, "</head>\n");
3926 avio_printf(pb, "<body>\n");
3927 avio_printf(pb, "<switch>\n");
3929 mov_setup_track_ids(mov, s);
3931 for (i = 0; i < mov->nb_streams; i++) {
3932 MOVTrack *track = &mov->tracks[i];
3934 int track_id = track->track_id;
3935 char track_name_buf[32] = { 0 };
3937 AVStream *st = track->st;
3938 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
3940 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
3942 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
3948 props = (AVCPBProperties*)av_stream_get_side_data(track->st, AV_PKT_DATA_CPB_PROPERTIES, NULL);
3950 if (track->par->bit_rate) {
3951 manifest_bit_rate = track->par->bit_rate;
3953 manifest_bit_rate = props->max_bitrate;
3956 avio_printf(pb, "<%s systemBitrate=\"%"PRId64"\">\n", type,
3958 param_write_int(pb, "systemBitrate", manifest_bit_rate);
3959 param_write_int(pb, "trackID", track_id);
3960 param_write_string(pb, "systemLanguage", lang ? lang->value : "und");
3962 /* Build track name piece by piece: */
3964 av_strlcat(track_name_buf, type, sizeof(track_name_buf));
3965 /* 2. track language, if available */
3967 av_strlcatf(track_name_buf, sizeof(track_name_buf),
3968 "_%s", lang->value);
3969 /* 3. special type suffix */
3970 /* "_cc" = closed captions, "_ad" = audio_description */
3971 if (st->disposition & AV_DISPOSITION_HEARING_IMPAIRED)
3972 av_strlcat(track_name_buf, "_cc", sizeof(track_name_buf));
3973 else if (st->disposition & AV_DISPOSITION_VISUAL_IMPAIRED)
3974 av_strlcat(track_name_buf, "_ad", sizeof(track_name_buf));
3976 param_write_string(pb, "trackName", track_name_buf);
3978 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
3979 if (track->par->codec_id == AV_CODEC_ID_H264) {
3981 int size = track->par->extradata_size;
3982 if (!ff_avc_write_annexb_extradata(track->par->extradata, &ptr,
3984 param_write_hex(pb, "CodecPrivateData",
3985 ptr ? ptr : track->par->extradata,
3989 param_write_string(pb, "FourCC", "H264");
3990 } else if (track->par->codec_id == AV_CODEC_ID_VC1) {
3991 param_write_string(pb, "FourCC", "WVC1");
3992 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
3993 track->par->extradata_size);
3995 param_write_int(pb, "MaxWidth", track->par->width);
3996 param_write_int(pb, "MaxHeight", track->par->height);
3997 param_write_int(pb, "DisplayWidth", track->par->width);
3998 param_write_int(pb, "DisplayHeight", track->par->height);
4000 if (track->par->codec_id == AV_CODEC_ID_AAC) {
4001 switch (track->par->profile)
4003 case FF_PROFILE_AAC_HE_V2:
4004 param_write_string(pb, "FourCC", "AACP");
4006 case FF_PROFILE_AAC_HE:
4007 param_write_string(pb, "FourCC", "AACH");
4010 param_write_string(pb, "FourCC", "AACL");
4012 } else if (track->par->codec_id == AV_CODEC_ID_WMAPRO) {
4013 param_write_string(pb, "FourCC", "WMAP");
4015 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
4016 track->par->extradata_size);
4017 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
4018 track->par->codec_id));
4019 param_write_int(pb, "Channels", track->par->channels);
4020 param_write_int(pb, "SamplingRate", track->par->sample_rate);
4021 param_write_int(pb, "BitsPerSample", 16);
4022 param_write_int(pb, "PacketSize", track->par->block_align ?
4023 track->par->block_align : 4);
4025 avio_printf(pb, "</%s>\n", type);
4027 avio_printf(pb, "</switch>\n");
4028 avio_printf(pb, "</body>\n");
4029 avio_printf(pb, "</smil>\n");
4031 return update_size(pb, pos);
4034 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
4037 ffio_wfourcc(pb, "mfhd");
4039 avio_wb32(pb, mov->fragments);
4043 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
4045 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
4046 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
4049 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
4050 MOVTrack *track, int64_t moof_offset)
4052 int64_t pos = avio_tell(pb);
4053 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
4054 MOV_TFHD_BASE_DATA_OFFSET;
4055 if (!track->entry) {
4056 flags |= MOV_TFHD_DURATION_IS_EMPTY;
4058 flags |= MOV_TFHD_DEFAULT_FLAGS;
4060 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
4061 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
4062 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) {
4063 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
4064 flags |= MOV_TFHD_DEFAULT_BASE_IS_MOOF;
4067 /* Don't set a default sample size, the silverlight player refuses
4068 * to play files with that set. Don't set a default sample duration,
4069 * WMP freaks out if it is set. Don't set a base data offset, PIFF
4070 * file format says it MUST NOT be set. */
4071 if (track->mode == MODE_ISM)
4072 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
4073 MOV_TFHD_BASE_DATA_OFFSET);
4075 avio_wb32(pb, 0); /* size placeholder */
4076 ffio_wfourcc(pb, "tfhd");
4077 avio_w8(pb, 0); /* version */
4078 avio_wb24(pb, flags);
4080 avio_wb32(pb, track->track_id); /* track-id */
4081 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
4082 avio_wb64(pb, moof_offset);
4083 if (flags & MOV_TFHD_DEFAULT_DURATION) {
4084 track->default_duration = get_cluster_duration(track, 0);
4085 avio_wb32(pb, track->default_duration);
4087 if (flags & MOV_TFHD_DEFAULT_SIZE) {
4088 track->default_size = track->entry ? track->cluster[0].size : 1;
4089 avio_wb32(pb, track->default_size);
4091 track->default_size = -1;
4093 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
4094 /* Set the default flags based on the second sample, if available.
4095 * If the first sample is different, that can be signaled via a separate field. */
4096 if (track->entry > 1)
4097 track->default_sample_flags = get_sample_flags(track, &track->cluster[1]);
4099 track->default_sample_flags =
4100 track->par->codec_type == AVMEDIA_TYPE_VIDEO ?
4101 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
4102 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
4103 avio_wb32(pb, track->default_sample_flags);
4106 return update_size(pb, pos);
4109 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
4110 MOVTrack *track, int moof_size,
4113 int64_t pos = avio_tell(pb);
4114 uint32_t flags = MOV_TRUN_DATA_OFFSET;
4117 for (i = first; i < end; i++) {
4118 if (get_cluster_duration(track, i) != track->default_duration)
4119 flags |= MOV_TRUN_SAMPLE_DURATION;
4120 if (track->cluster[i].size != track->default_size)
4121 flags |= MOV_TRUN_SAMPLE_SIZE;
4122 if (i > first && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
4123 flags |= MOV_TRUN_SAMPLE_FLAGS;
4125 if (!(flags & MOV_TRUN_SAMPLE_FLAGS) && track->entry > 0 &&
4126 get_sample_flags(track, &track->cluster[0]) != track->default_sample_flags)
4127 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
4128 if (track->flags & MOV_TRACK_CTTS)
4129 flags |= MOV_TRUN_SAMPLE_CTS;
4131 avio_wb32(pb, 0); /* size placeholder */
4132 ffio_wfourcc(pb, "trun");
4133 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4134 avio_w8(pb, 1); /* version */
4136 avio_w8(pb, 0); /* version */
4137 avio_wb24(pb, flags);
4139 avio_wb32(pb, end - first); /* sample count */
4140 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
4141 !(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) &&
4143 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
4145 avio_wb32(pb, moof_size + 8 + track->data_offset +
4146 track->cluster[first].pos); /* data offset */
4147 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
4148 avio_wb32(pb, get_sample_flags(track, &track->cluster[first]));
4150 for (i = first; i < end; i++) {
4151 if (flags & MOV_TRUN_SAMPLE_DURATION)
4152 avio_wb32(pb, get_cluster_duration(track, i));
4153 if (flags & MOV_TRUN_SAMPLE_SIZE)
4154 avio_wb32(pb, track->cluster[i].size);
4155 if (flags & MOV_TRUN_SAMPLE_FLAGS)
4156 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
4157 if (flags & MOV_TRUN_SAMPLE_CTS)
4158 avio_wb32(pb, track->cluster[i].cts);
4161 mov->first_trun = 0;
4162 return update_size(pb, pos);
4165 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
4167 int64_t pos = avio_tell(pb);
4168 static const uint8_t uuid[] = {
4169 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
4170 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
4173 avio_wb32(pb, 0); /* size placeholder */
4174 ffio_wfourcc(pb, "uuid");
4175 avio_write(pb, uuid, sizeof(uuid));
4178 avio_wb64(pb, track->start_dts + track->frag_start +
4179 track->cluster[0].cts);
4180 avio_wb64(pb, track->end_pts -
4181 (track->cluster[0].dts + track->cluster[0].cts));
4183 return update_size(pb, pos);
4186 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
4187 MOVTrack *track, int entry)
4189 int n = track->nb_frag_info - 1 - entry, i;
4190 int size = 8 + 16 + 4 + 1 + 16*n;
4191 static const uint8_t uuid[] = {
4192 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
4193 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
4199 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
4200 avio_wb32(pb, size);
4201 ffio_wfourcc(pb, "uuid");
4202 avio_write(pb, uuid, sizeof(uuid));
4206 for (i = 0; i < n; i++) {
4207 int index = entry + 1 + i;
4208 avio_wb64(pb, track->frag_info[index].time);
4209 avio_wb64(pb, track->frag_info[index].duration);
4211 if (n < mov->ism_lookahead) {
4212 int free_size = 16 * (mov->ism_lookahead - n);
4213 avio_wb32(pb, free_size);
4214 ffio_wfourcc(pb, "free");
4215 ffio_fill(pb, 0, free_size - 8);
4221 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
4224 int64_t pos = avio_tell(pb);
4226 for (i = 0; i < mov->ism_lookahead; i++) {
4227 /* Update the tfrf tag for the last ism_lookahead fragments,
4228 * nb_frag_info - 1 is the next fragment to be written. */
4229 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
4231 avio_seek(pb, pos, SEEK_SET);
4235 static int mov_add_tfra_entries(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4239 for (i = 0; i < mov->nb_streams; i++) {
4240 MOVTrack *track = &mov->tracks[i];
4241 MOVFragmentInfo *info;
4242 if ((tracks >= 0 && i != tracks) || !track->entry)
4244 track->nb_frag_info++;
4245 if (track->nb_frag_info >= track->frag_info_capacity) {
4246 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
4247 if (av_reallocp_array(&track->frag_info,
4249 sizeof(*track->frag_info)))
4250 return AVERROR(ENOMEM);
4251 track->frag_info_capacity = new_capacity;
4253 info = &track->frag_info[track->nb_frag_info - 1];
4254 info->offset = avio_tell(pb);
4256 // Try to recreate the original pts for the first packet
4257 // from the fields we have stored
4258 info->time = track->start_dts + track->frag_start +
4259 track->cluster[0].cts;
4260 info->duration = track->end_pts -
4261 (track->cluster[0].dts + track->cluster[0].cts);
4262 // If the pts is less than zero, we will have trimmed
4263 // away parts of the media track using an edit list,
4264 // and the corresponding start presentation time is zero.
4265 if (info->time < 0) {
4266 info->duration += info->time;
4269 info->tfrf_offset = 0;
4270 mov_write_tfrf_tags(pb, mov, track);
4275 static void mov_prune_frag_info(MOVMuxContext *mov, int tracks, int max)
4278 for (i = 0; i < mov->nb_streams; i++) {
4279 MOVTrack *track = &mov->tracks[i];
4280 if ((tracks >= 0 && i != tracks) || !track->entry)
4282 if (track->nb_frag_info > max) {
4283 memmove(track->frag_info, track->frag_info + (track->nb_frag_info - max), max * sizeof(*track->frag_info));
4284 track->nb_frag_info = max;
4289 static int mov_write_tfdt_tag(AVIOContext *pb, MOVTrack *track)
4291 int64_t pos = avio_tell(pb);
4293 avio_wb32(pb, 0); /* size */
4294 ffio_wfourcc(pb, "tfdt");
4295 avio_w8(pb, 1); /* version */
4297 avio_wb64(pb, track->frag_start);
4298 return update_size(pb, pos);
4301 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
4302 MOVTrack *track, int64_t moof_offset,
4305 int64_t pos = avio_tell(pb);
4307 avio_wb32(pb, 0); /* size placeholder */
4308 ffio_wfourcc(pb, "traf");
4310 mov_write_tfhd_tag(pb, mov, track, moof_offset);
4311 if (mov->mode != MODE_ISM)
4312 mov_write_tfdt_tag(pb, track);
4313 for (i = 1; i < track->entry; i++) {
4314 if (track->cluster[i].pos != track->cluster[i - 1].pos + track->cluster[i - 1].size) {
4315 mov_write_trun_tag(pb, mov, track, moof_size, start, i);
4319 mov_write_trun_tag(pb, mov, track, moof_size, start, track->entry);
4320 if (mov->mode == MODE_ISM) {
4321 mov_write_tfxd_tag(pb, track);
4323 if (mov->ism_lookahead) {
4324 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
4326 if (track->nb_frag_info > 0) {
4327 MOVFragmentInfo *info = &track->frag_info[track->nb_frag_info - 1];
4328 if (!info->tfrf_offset)
4329 info->tfrf_offset = avio_tell(pb);
4331 avio_wb32(pb, 8 + size);
4332 ffio_wfourcc(pb, "free");
4333 for (i = 0; i < size; i++)
4338 return update_size(pb, pos);
4341 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
4342 int tracks, int moof_size)
4344 int64_t pos = avio_tell(pb);
4347 avio_wb32(pb, 0); /* size placeholder */
4348 ffio_wfourcc(pb, "moof");
4349 mov->first_trun = 1;
4351 mov_write_mfhd_tag(pb, mov);
4352 for (i = 0; i < mov->nb_streams; i++) {
4353 MOVTrack *track = &mov->tracks[i];
4354 if (tracks >= 0 && i != tracks)
4358 mov_write_traf_tag(pb, mov, track, pos, moof_size);
4361 return update_size(pb, pos);
4364 static int mov_write_sidx_tag(AVIOContext *pb,
4365 MOVTrack *track, int ref_size, int total_sidx_size)
4367 int64_t pos = avio_tell(pb), offset_pos, end_pos;
4368 int64_t presentation_time, duration, offset;
4369 int starts_with_SAP, i, entries;
4373 presentation_time = track->start_dts + track->frag_start +
4374 track->cluster[0].cts;
4375 duration = track->end_pts -
4376 (track->cluster[0].dts + track->cluster[0].cts);
4377 starts_with_SAP = track->cluster[0].flags & MOV_SYNC_SAMPLE;
4379 // pts<0 should be cut away using edts
4380 if (presentation_time < 0) {
4381 duration += presentation_time;
4382 presentation_time = 0;
4385 entries = track->nb_frag_info;
4388 presentation_time = track->frag_info[0].time;
4391 avio_wb32(pb, 0); /* size */
4392 ffio_wfourcc(pb, "sidx");
4393 avio_w8(pb, 1); /* version */
4395 avio_wb32(pb, track->track_id); /* reference_ID */
4396 avio_wb32(pb, track->timescale); /* timescale */
4397 avio_wb64(pb, presentation_time); /* earliest_presentation_time */
4398 offset_pos = avio_tell(pb);
4399 avio_wb64(pb, 0); /* first_offset (offset to referenced moof) */
4400 avio_wb16(pb, 0); /* reserved */
4402 avio_wb16(pb, entries); /* reference_count */
4403 for (i = 0; i < entries; i++) {
4404 if (!track->entry) {
4405 if (i > 1 && track->frag_info[i].offset != track->frag_info[i - 1].offset + track->frag_info[i - 1].size) {
4406 av_log(NULL, AV_LOG_ERROR, "Non-consecutive fragments, writing incorrect sidx\n");
4408 duration = track->frag_info[i].duration;
4409 ref_size = track->frag_info[i].size;
4410 starts_with_SAP = 1;
4412 avio_wb32(pb, (0 << 31) | (ref_size & 0x7fffffff)); /* reference_type (0 = media) | referenced_size */
4413 avio_wb32(pb, duration); /* subsegment_duration */
4414 avio_wb32(pb, (starts_with_SAP << 31) | (0 << 28) | 0); /* starts_with_SAP | SAP_type | SAP_delta_time */
4417 end_pos = avio_tell(pb);
4418 offset = pos + total_sidx_size - end_pos;
4419 avio_seek(pb, offset_pos, SEEK_SET);
4420 avio_wb64(pb, offset);
4421 avio_seek(pb, end_pos, SEEK_SET);
4422 return update_size(pb, pos);
4425 static int mov_write_sidx_tags(AVIOContext *pb, MOVMuxContext *mov,
4426 int tracks, int ref_size)
4429 AVIOContext *avio_buf;
4431 for (round = 0; round < 2; round++) {
4432 // First run one round to calculate the total size of all
4434 // This would be much simpler if we'd only write one sidx
4435 // atom, for the first track in the moof.
4437 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4442 for (i = 0; i < mov->nb_streams; i++) {
4443 MOVTrack *track = &mov->tracks[i];
4444 if (tracks >= 0 && i != tracks)
4446 // When writing a sidx for the full file, entry is 0, but
4447 // we want to include all tracks. ref_size is 0 in this case,
4448 // since we read it from frag_info instead.
4449 if (!track->entry && ref_size > 0)
4451 total_size -= mov_write_sidx_tag(avio_buf, track, ref_size,
4455 total_size = ffio_close_null_buf(avio_buf);
4460 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4463 AVIOContext *avio_buf;
4466 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4468 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
4469 moof_size = ffio_close_null_buf(avio_buf);
4471 if (mov->flags & FF_MOV_FLAG_DASH && !(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX))
4472 mov_write_sidx_tags(pb, mov, tracks, moof_size + 8 + mdat_size);
4474 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX ||
4475 !(mov->flags & FF_MOV_FLAG_SKIP_TRAILER) ||
4476 mov->ism_lookahead) {
4477 if ((ret = mov_add_tfra_entries(pb, mov, tracks, moof_size + 8 + mdat_size)) < 0)
4479 if (!(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) &&
4480 mov->flags & FF_MOV_FLAG_SKIP_TRAILER) {
4481 mov_prune_frag_info(mov, tracks, mov->ism_lookahead + 1);
4485 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
4488 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
4490 int64_t pos = avio_tell(pb);
4493 avio_wb32(pb, 0); /* size placeholder */
4494 ffio_wfourcc(pb, "tfra");
4495 avio_w8(pb, 1); /* version */
4498 avio_wb32(pb, track->track_id);
4499 avio_wb32(pb, 0); /* length of traf/trun/sample num */
4500 avio_wb32(pb, track->nb_frag_info);
4501 for (i = 0; i < track->nb_frag_info; i++) {
4502 avio_wb64(pb, track->frag_info[i].time);
4503 avio_wb64(pb, track->frag_info[i].offset + track->data_offset);
4504 avio_w8(pb, 1); /* traf number */
4505 avio_w8(pb, 1); /* trun number */
4506 avio_w8(pb, 1); /* sample number */
4509 return update_size(pb, pos);
4512 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
4514 int64_t pos = avio_tell(pb);
4517 avio_wb32(pb, 0); /* size placeholder */
4518 ffio_wfourcc(pb, "mfra");
4519 /* An empty mfra atom is enough to indicate to the publishing point that
4520 * the stream has ended. */
4521 if (mov->flags & FF_MOV_FLAG_ISML)
4522 return update_size(pb, pos);
4524 for (i = 0; i < mov->nb_streams; i++) {
4525 MOVTrack *track = &mov->tracks[i];
4526 if (track->nb_frag_info)
4527 mov_write_tfra_tag(pb, track);
4531 ffio_wfourcc(pb, "mfro");
4532 avio_wb32(pb, 0); /* version + flags */
4533 avio_wb32(pb, avio_tell(pb) + 4 - pos);
4535 return update_size(pb, pos);
4538 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
4540 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
4541 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
4543 mov->mdat_pos = avio_tell(pb);
4544 avio_wb32(pb, 0); /* size placeholder*/
4545 ffio_wfourcc(pb, "mdat");
4549 /* TODO: This needs to be more general */
4550 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
4552 MOVMuxContext *mov = s->priv_data;
4553 int64_t pos = avio_tell(pb);
4554 int has_h264 = 0, has_video = 0;
4558 for (i = 0; i < s->nb_streams; i++) {
4559 AVStream *st = s->streams[i];
4560 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
4562 if (st->codecpar->codec_id == AV_CODEC_ID_H264)
4566 avio_wb32(pb, 0); /* size */
4567 ffio_wfourcc(pb, "ftyp");
4569 if (mov->major_brand && strlen(mov->major_brand) >= 4)
4570 ffio_wfourcc(pb, mov->major_brand);
4571 else if (mov->mode == MODE_3GP) {
4572 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
4573 minor = has_h264 ? 0x100 : 0x200;
4574 } else if (mov->mode & MODE_3G2) {
4575 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
4576 minor = has_h264 ? 0x20000 : 0x10000;
4577 } else if (mov->mode == MODE_PSP)
4578 ffio_wfourcc(pb, "MSNV");
4579 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
4580 ffio_wfourcc(pb, "iso5"); // Required when using default-base-is-moof
4581 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4582 ffio_wfourcc(pb, "iso4");
4583 else if (mov->mode == MODE_MP4)
4584 ffio_wfourcc(pb, "isom");
4585 else if (mov->mode == MODE_IPOD)
4586 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
4587 else if (mov->mode == MODE_ISM)
4588 ffio_wfourcc(pb, "isml");
4589 else if (mov->mode == MODE_F4V)
4590 ffio_wfourcc(pb, "f4v ");
4592 ffio_wfourcc(pb, "qt ");
4594 avio_wb32(pb, minor);
4596 if (mov->mode == MODE_MOV)
4597 ffio_wfourcc(pb, "qt ");
4598 else if (mov->mode == MODE_ISM) {
4599 ffio_wfourcc(pb, "piff");
4600 } else if (!(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)) {
4601 ffio_wfourcc(pb, "isom");
4602 ffio_wfourcc(pb, "iso2");
4604 ffio_wfourcc(pb, "avc1");
4607 // We add tfdt atoms when fragmenting, signal this with the iso6 compatible
4608 // brand. This is compatible with users that don't understand tfdt.
4609 if (mov->flags & FF_MOV_FLAG_FRAGMENT && mov->mode != MODE_ISM)
4610 ffio_wfourcc(pb, "iso6");
4612 if (mov->mode == MODE_3GP)
4613 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
4614 else if (mov->mode & MODE_3G2)
4615 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
4616 else if (mov->mode == MODE_PSP)
4617 ffio_wfourcc(pb, "MSNV");
4618 else if (mov->mode == MODE_MP4)
4619 ffio_wfourcc(pb, "mp41");
4621 if (mov->flags & FF_MOV_FLAG_DASH && mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
4622 ffio_wfourcc(pb, "dash");
4624 return update_size(pb, pos);
4627 static int mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
4629 AVStream *video_st = s->streams[0];
4630 AVCodecParameters *video_par = s->streams[0]->codecpar;
4631 AVCodecParameters *audio_par = s->streams[1]->codecpar;
4632 int audio_rate = audio_par->sample_rate;
4633 int64_t frame_rate = video_st->avg_frame_rate.den ?
4634 (video_st->avg_frame_rate.num * 0x10000LL) / video_st->avg_frame_rate.den :
4636 int audio_kbitrate = audio_par->bit_rate / 1000;
4637 int video_kbitrate = FFMIN(video_par->bit_rate / 1000, 800 - audio_kbitrate);
4639 if (frame_rate < 0 || frame_rate > INT32_MAX) {
4640 av_log(s, AV_LOG_ERROR, "Frame rate %f outside supported range\n", frame_rate / (double)0x10000);
4641 return AVERROR(EINVAL);
4644 avio_wb32(pb, 0x94); /* size */
4645 ffio_wfourcc(pb, "uuid");
4646 ffio_wfourcc(pb, "PROF");
4648 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
4649 avio_wb32(pb, 0xbb88695c);
4650 avio_wb32(pb, 0xfac9c740);
4652 avio_wb32(pb, 0x0); /* ? */
4653 avio_wb32(pb, 0x3); /* 3 sections ? */
4655 avio_wb32(pb, 0x14); /* size */
4656 ffio_wfourcc(pb, "FPRF");
4657 avio_wb32(pb, 0x0); /* ? */
4658 avio_wb32(pb, 0x0); /* ? */
4659 avio_wb32(pb, 0x0); /* ? */
4661 avio_wb32(pb, 0x2c); /* size */
4662 ffio_wfourcc(pb, "APRF"); /* audio */
4664 avio_wb32(pb, 0x2); /* TrackID */
4665 ffio_wfourcc(pb, "mp4a");
4666 avio_wb32(pb, 0x20f);
4668 avio_wb32(pb, audio_kbitrate);
4669 avio_wb32(pb, audio_kbitrate);
4670 avio_wb32(pb, audio_rate);
4671 avio_wb32(pb, audio_par->channels);
4673 avio_wb32(pb, 0x34); /* size */
4674 ffio_wfourcc(pb, "VPRF"); /* video */
4676 avio_wb32(pb, 0x1); /* TrackID */
4677 if (video_par->codec_id == AV_CODEC_ID_H264) {
4678 ffio_wfourcc(pb, "avc1");
4679 avio_wb16(pb, 0x014D);
4680 avio_wb16(pb, 0x0015);
4682 ffio_wfourcc(pb, "mp4v");
4683 avio_wb16(pb, 0x0000);
4684 avio_wb16(pb, 0x0103);
4687 avio_wb32(pb, video_kbitrate);
4688 avio_wb32(pb, video_kbitrate);
4689 avio_wb32(pb, frame_rate);
4690 avio_wb32(pb, frame_rate);
4691 avio_wb16(pb, video_par->width);
4692 avio_wb16(pb, video_par->height);
4693 avio_wb32(pb, 0x010001); /* ? */
4698 static int mov_write_identification(AVIOContext *pb, AVFormatContext *s)
4700 MOVMuxContext *mov = s->priv_data;
4703 mov_write_ftyp_tag(pb,s);
4704 if (mov->mode == MODE_PSP) {
4705 int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
4706 for (i = 0; i < s->nb_streams; i++) {
4707 AVStream *st = s->streams[i];
4708 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
4710 else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
4716 if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
4717 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
4718 return AVERROR(EINVAL);
4720 return mov_write_uuidprof_tag(pb, s);
4725 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
4728 int i, closed_gop = 0;
4730 for (i = 0; i < pkt->size - 4; i++) {
4731 c = (c << 8) + pkt->data[i];
4732 if (c == 0x1b8) { // gop
4733 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
4734 } else if (c == 0x100) { // pic
4735 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
4736 if (!temp_ref || closed_gop) // I picture is not reordered
4737 *flags = MOV_SYNC_SAMPLE;
4739 *flags = MOV_PARTIAL_SYNC_SAMPLE;
4746 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk)
4748 const uint8_t *start, *next, *end = pkt->data + pkt->size;
4749 int seq = 0, entry = 0;
4750 int key = pkt->flags & AV_PKT_FLAG_KEY;
4751 start = find_next_marker(pkt->data, end);
4752 for (next = start; next < end; start = next) {
4753 next = find_next_marker(start + 4, end);
4754 switch (AV_RB32(start)) {
4755 case VC1_CODE_SEQHDR:
4758 case VC1_CODE_ENTRYPOINT:
4761 case VC1_CODE_SLICE:
4762 trk->vc1_info.slices = 1;
4766 if (!trk->entry && trk->vc1_info.first_packet_seen)
4767 trk->vc1_info.first_frag_written = 1;
4768 if (!trk->entry && !trk->vc1_info.first_frag_written) {
4769 /* First packet in first fragment */
4770 trk->vc1_info.first_packet_seq = seq;
4771 trk->vc1_info.first_packet_entry = entry;
4772 trk->vc1_info.first_packet_seen = 1;
4773 } else if ((seq && !trk->vc1_info.packet_seq) ||
4774 (entry && !trk->vc1_info.packet_entry)) {
4776 for (i = 0; i < trk->entry; i++)
4777 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
4778 trk->has_keyframes = 0;
4780 trk->vc1_info.packet_seq = 1;
4782 trk->vc1_info.packet_entry = 1;
4783 if (!trk->vc1_info.first_frag_written) {
4784 /* First fragment */
4785 if ((!seq || trk->vc1_info.first_packet_seq) &&
4786 (!entry || trk->vc1_info.first_packet_entry)) {
4787 /* First packet had the same headers as this one, readd the
4788 * sync sample flag. */
4789 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
4790 trk->has_keyframes = 1;
4794 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
4796 else if (trk->vc1_info.packet_seq)
4798 else if (trk->vc1_info.packet_entry)
4801 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
4802 trk->has_keyframes++;
4806 static int mov_flush_fragment_interleaving(AVFormatContext *s, MOVTrack *track)
4808 MOVMuxContext *mov = s->priv_data;
4813 if (!track->mdat_buf)
4815 if (!mov->mdat_buf) {
4816 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
4819 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
4820 track->mdat_buf = NULL;
4822 offset = avio_tell(mov->mdat_buf);
4823 avio_write(mov->mdat_buf, buf, buf_size);
4826 for (i = track->entries_flushed; i < track->entry; i++)
4827 track->cluster[i].pos += offset;
4828 track->entries_flushed = track->entry;
4832 static int mov_flush_fragment(AVFormatContext *s, int force)
4834 MOVMuxContext *mov = s->priv_data;
4835 int i, first_track = -1;
4836 int64_t mdat_size = 0;
4838 int has_video = 0, starts_with_key = 0, first_video_track = 1;
4840 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
4843 // Try to fill in the duration of the last packet in each stream
4844 // from queued packets in the interleave queues. If the flushing
4845 // of fragments was triggered automatically by an AVPacket, we
4846 // already have reliable info for the end of that track, but other
4847 // tracks may need to be filled in.
4848 for (i = 0; i < s->nb_streams; i++) {
4849 MOVTrack *track = &mov->tracks[i];
4850 if (!track->end_reliable) {
4852 if (!ff_interleaved_peek(s, i, &pkt, 1)) {
4853 if (track->dts_shift != AV_NOPTS_VALUE)
4854 pkt.dts += track->dts_shift;
4855 track->track_duration = pkt.dts - track->start_dts;
4856 if (pkt.pts != AV_NOPTS_VALUE)
4857 track->end_pts = pkt.pts;
4859 track->end_pts = pkt.dts;
4864 for (i = 0; i < mov->nb_streams; i++) {
4865 MOVTrack *track = &mov->tracks[i];
4866 if (track->entry <= 1)
4868 // Sample durations are calculated as the diff of dts values,
4869 // but for the last sample in a fragment, we don't know the dts
4870 // of the first sample in the next fragment, so we have to rely
4871 // on what was set as duration in the AVPacket. Not all callers
4872 // set this though, so we might want to replace it with an
4873 // estimate if it currently is zero.
4874 if (get_cluster_duration(track, track->entry - 1) != 0)
4876 // Use the duration (i.e. dts diff) of the second last sample for
4877 // the last one. This is a wild guess (and fatal if it turns out
4878 // to be too long), but probably the best we can do - having a zero
4879 // duration is bad as well.
4880 track->track_duration += get_cluster_duration(track, track->entry - 2);
4881 track->end_pts += get_cluster_duration(track, track->entry - 2);
4882 if (!mov->missing_duration_warned) {
4883 av_log(s, AV_LOG_WARNING,
4884 "Estimating the duration of the last packet in a "
4885 "fragment, consider setting the duration field in "
4886 "AVPacket instead.\n");
4887 mov->missing_duration_warned = 1;
4891 if (!mov->moov_written) {
4892 int64_t pos = avio_tell(s->pb);
4894 int buf_size, moov_size;
4896 for (i = 0; i < mov->nb_streams; i++)
4897 if (!mov->tracks[i].entry)
4899 /* Don't write the initial moov unless all tracks have data */
4900 if (i < mov->nb_streams && !force)
4903 moov_size = get_moov_size(s);
4904 for (i = 0; i < mov->nb_streams; i++)
4905 mov->tracks[i].data_offset = pos + moov_size + 8;
4907 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_HEADER);
4908 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
4909 mov_write_identification(s->pb, s);
4910 if ((ret = mov_write_moov_tag(s->pb, mov, s)) < 0)
4913 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV) {
4914 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
4915 mov->reserved_header_pos = avio_tell(s->pb);
4917 mov->moov_written = 1;
4921 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
4922 mov->mdat_buf = NULL;
4923 avio_wb32(s->pb, buf_size + 8);
4924 ffio_wfourcc(s->pb, "mdat");
4925 avio_write(s->pb, buf, buf_size);
4928 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
4929 mov->reserved_header_pos = avio_tell(s->pb);
4931 mov->moov_written = 1;
4933 for (i = 0; i < mov->nb_streams; i++) {
4934 if (mov->tracks[i].entry)
4935 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
4936 mov->tracks[i].track_duration -
4937 mov->tracks[i].cluster[0].dts;
4938 mov->tracks[i].entry = 0;
4939 mov->tracks[i].end_reliable = 0;
4945 if (mov->frag_interleave) {
4946 for (i = 0; i < mov->nb_streams; i++) {
4947 MOVTrack *track = &mov->tracks[i];
4949 if ((ret = mov_flush_fragment_interleaving(s, track)) < 0)
4955 mdat_size = avio_tell(mov->mdat_buf);
4958 for (i = 0; i < mov->nb_streams; i++) {
4959 MOVTrack *track = &mov->tracks[i];
4960 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF || mov->frag_interleave)
4961 track->data_offset = 0;
4963 track->data_offset = mdat_size;
4964 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
4966 if (first_video_track) {
4968 starts_with_key = track->cluster[0].flags & MOV_SYNC_SAMPLE;
4969 first_video_track = 0;
4974 if (track->mdat_buf)
4975 mdat_size += avio_tell(track->mdat_buf);
4976 if (first_track < 0)
4983 avio_write_marker(s->pb,
4984 av_rescale(mov->tracks[first_track].cluster[0].dts, AV_TIME_BASE, mov->tracks[first_track].timescale),
4985 (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);
4987 for (i = 0; i < mov->nb_streams; i++) {
4988 MOVTrack *track = &mov->tracks[i];
4989 int buf_size, write_moof = 1, moof_tracks = -1;
4991 int64_t duration = 0;
4994 duration = track->start_dts + track->track_duration -
4995 track->cluster[0].dts;
4996 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
4997 if (!track->mdat_buf)
4999 mdat_size = avio_tell(track->mdat_buf);
5002 write_moof = i == first_track;
5008 mov_write_moof_tag(s->pb, mov, moof_tracks, mdat_size);
5011 avio_wb32(s->pb, mdat_size + 8);
5012 ffio_wfourcc(s->pb, "mdat");
5016 track->frag_start += duration;
5018 track->entries_flushed = 0;
5019 track->end_reliable = 0;
5020 if (!mov->frag_interleave) {
5021 if (!track->mdat_buf)
5023 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
5024 track->mdat_buf = NULL;
5028 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
5029 mov->mdat_buf = NULL;
5032 avio_write(s->pb, buf, buf_size);
5042 static int mov_auto_flush_fragment(AVFormatContext *s, int force)
5044 MOVMuxContext *mov = s->priv_data;
5045 int had_moov = mov->moov_written;
5046 int ret = mov_flush_fragment(s, force);
5049 // If using delay_moov, the first flush only wrote the moov,
5050 // not the actual moof+mdat pair, thus flush once again.
5051 if (!had_moov && mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5052 ret = mov_flush_fragment(s, force);
5056 static int check_pkt(AVFormatContext *s, AVPacket *pkt)
5058 MOVMuxContext *mov = s->priv_data;
5059 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5064 ref = trk->cluster[trk->entry - 1].dts;
5065 } else if ( trk->start_dts != AV_NOPTS_VALUE
5066 && !trk->frag_discont) {
5067 ref = trk->start_dts + trk->track_duration;
5069 ref = pkt->dts; // Skip tests for the first packet
5071 if (trk->dts_shift != AV_NOPTS_VALUE) {
5072 /* With negative CTS offsets we have set an offset to the DTS,
5073 * reverse this for the check. */
5074 ref -= trk->dts_shift;
5077 duration = pkt->dts - ref;
5078 if (pkt->dts < ref || duration >= INT_MAX) {
5079 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n",
5084 pkt->pts = AV_NOPTS_VALUE;
5087 if (pkt->duration < 0 || pkt->duration > INT_MAX) {
5088 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" is invalid\n", pkt->duration);
5089 return AVERROR(EINVAL);
5094 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
5096 MOVMuxContext *mov = s->priv_data;
5097 AVIOContext *pb = s->pb;
5098 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5099 AVCodecParameters *par = trk->par;
5100 unsigned int samples_in_chunk = 0;
5101 int size = pkt->size, ret = 0;
5102 uint8_t *reformatted_data = NULL;
5104 ret = check_pkt(s, pkt);
5108 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
5110 if (mov->moov_written || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
5111 if (mov->frag_interleave && mov->fragments > 0) {
5112 if (trk->entry - trk->entries_flushed >= mov->frag_interleave) {
5113 if ((ret = mov_flush_fragment_interleaving(s, trk)) < 0)
5118 if (!trk->mdat_buf) {
5119 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
5124 if (!mov->mdat_buf) {
5125 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
5132 if (par->codec_id == AV_CODEC_ID_AMR_NB) {
5133 /* We must find out how many AMR blocks there are in one packet */
5134 static const uint16_t packed_size[16] =
5135 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
5138 while (len < size && samples_in_chunk < 100) {
5139 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
5142 if (samples_in_chunk > 1) {
5143 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
5146 } else if (par->codec_id == AV_CODEC_ID_ADPCM_MS ||
5147 par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
5148 samples_in_chunk = trk->par->frame_size;
5149 } else if (trk->sample_size)
5150 samples_in_chunk = size / trk->sample_size;
5152 samples_in_chunk = 1;
5154 /* copy extradata if it exists */
5155 if (trk->vos_len == 0 && par->extradata_size > 0 &&
5156 !TAG_IS_AVCI(trk->tag) &&
5157 (par->codec_id != AV_CODEC_ID_DNXHD)) {
5158 trk->vos_len = par->extradata_size;
5159 trk->vos_data = av_malloc(trk->vos_len);
5160 if (!trk->vos_data) {
5161 ret = AVERROR(ENOMEM);
5164 memcpy(trk->vos_data, par->extradata, trk->vos_len);
5167 if (par->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
5168 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
5169 if (!s->streams[pkt->stream_index]->nb_frames) {
5170 av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
5171 "use the audio bitstream filter 'aac_adtstoasc' to fix it "
5172 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
5175 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
5177 if (par->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1 && !TAG_IS_AVCI(trk->tag)) {
5178 /* from x264 or from bytestream H.264 */
5179 /* NAL reformatting needed */
5180 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5181 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
5183 avio_write(pb, reformatted_data, size);
5185 if (trk->cenc.aes_ctr) {
5186 size = ff_mov_cenc_avc_parse_nal_units(&trk->cenc, pb, pkt->data, size);
5192 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
5195 } else if (par->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
5196 (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
5197 /* extradata is Annex B, assume the bitstream is too and convert it */
5198 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5199 ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data, &size, 0, NULL);
5200 avio_write(pb, reformatted_data, size);
5202 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
5204 #if CONFIG_AC3_PARSER
5205 } else if (par->codec_id == AV_CODEC_ID_EAC3) {
5206 size = handle_eac3(mov, pkt, trk);
5211 avio_write(pb, pkt->data, size);
5214 if (trk->cenc.aes_ctr) {
5215 if (par->codec_id == AV_CODEC_ID_H264 && par->extradata_size > 4) {
5216 int nal_size_length = (par->extradata[4] & 0x3) + 1;
5217 ret = ff_mov_cenc_avc_write_nal_units(s, &trk->cenc, nal_size_length, pb, pkt->data, size);
5219 ret = ff_mov_cenc_write_packet(&trk->cenc, pb, pkt->data, size);
5226 avio_write(pb, pkt->data, size);
5230 if ((par->codec_id == AV_CODEC_ID_DNXHD ||
5231 par->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
5232 /* copy frame to create needed atoms */
5233 trk->vos_len = size;
5234 trk->vos_data = av_malloc(size);
5235 if (!trk->vos_data) {
5236 ret = AVERROR(ENOMEM);
5239 memcpy(trk->vos_data, pkt->data, size);
5242 if (trk->entry >= trk->cluster_capacity) {
5243 unsigned new_capacity = 2 * (trk->entry + MOV_INDEX_CLUSTER_SIZE);
5244 if (av_reallocp_array(&trk->cluster, new_capacity,
5245 sizeof(*trk->cluster))) {
5246 ret = AVERROR(ENOMEM);
5249 trk->cluster_capacity = new_capacity;
5252 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
5253 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
5254 trk->cluster[trk->entry].chunkNum = 0;
5255 trk->cluster[trk->entry].size = size;
5256 trk->cluster[trk->entry].entries = samples_in_chunk;
5257 trk->cluster[trk->entry].dts = pkt->dts;
5258 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
5259 if (!trk->frag_discont) {
5260 /* First packet of a new fragment. We already wrote the duration
5261 * of the last packet of the previous fragment based on track_duration,
5262 * which might not exactly match our dts. Therefore adjust the dts
5263 * of this packet to be what the previous packets duration implies. */
5264 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
5265 /* We also may have written the pts and the corresponding duration
5266 * in sidx/tfrf/tfxd tags; make sure the sidx pts and duration match up with
5267 * the next fragment. This means the cts of the first sample must
5268 * be the same in all fragments, unless end_pts was updated by
5269 * the packet causing the fragment to be written. */
5270 if ((mov->flags & FF_MOV_FLAG_DASH && !(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)) ||
5271 mov->mode == MODE_ISM)
5272 pkt->pts = pkt->dts + trk->end_pts - trk->cluster[trk->entry].dts;
5274 /* New fragment, but discontinuous from previous fragments.
5275 * Pretend the duration sum of the earlier fragments is
5276 * pkt->dts - trk->start_dts. */
5277 trk->frag_start = pkt->dts - trk->start_dts;
5278 trk->end_pts = AV_NOPTS_VALUE;
5279 trk->frag_discont = 0;
5283 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !mov->use_editlist &&
5284 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO) {
5285 /* Not using edit lists and shifting the first track to start from zero.
5286 * If the other streams start from a later timestamp, we won't be able
5287 * to signal the difference in starting time without an edit list.
5288 * Thus move the timestamp for this first sample to 0, increasing
5289 * its duration instead. */
5290 trk->cluster[trk->entry].dts = trk->start_dts = 0;
5292 if (trk->start_dts == AV_NOPTS_VALUE) {
5293 trk->start_dts = pkt->dts;
5294 if (trk->frag_discont) {
5295 if (mov->use_editlist) {
5296 /* Pretend the whole stream started at pts=0, with earlier fragments
5297 * already written. If the stream started at pts=0, the duration sum
5298 * of earlier fragments would have been pkt->pts. */
5299 trk->frag_start = pkt->pts;
5300 trk->start_dts = pkt->dts - pkt->pts;
5302 /* Pretend the whole stream started at dts=0, with earlier fragments
5303 * already written, with a duration summing up to pkt->dts. */
5304 trk->frag_start = pkt->dts;
5307 trk->frag_discont = 0;
5308 } else if (pkt->dts && mov->moov_written)
5309 av_log(s, AV_LOG_WARNING,
5310 "Track %d starts with a nonzero dts %"PRId64", while the moov "
5311 "already has been written. Set the delay_moov flag to handle "
5313 pkt->stream_index, pkt->dts);
5315 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
5316 trk->last_sample_is_subtitle_end = 0;
5318 if (pkt->pts == AV_NOPTS_VALUE) {
5319 av_log(s, AV_LOG_WARNING, "pts has no value\n");
5320 pkt->pts = pkt->dts;
5322 if (pkt->dts != pkt->pts)
5323 trk->flags |= MOV_TRACK_CTTS;
5324 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
5325 trk->cluster[trk->entry].flags = 0;
5326 if (trk->start_cts == AV_NOPTS_VALUE)
5327 trk->start_cts = pkt->pts - pkt->dts;
5328 if (trk->end_pts == AV_NOPTS_VALUE)
5329 trk->end_pts = trk->cluster[trk->entry].dts +
5330 trk->cluster[trk->entry].cts + pkt->duration;
5332 trk->end_pts = FFMAX(trk->end_pts, trk->cluster[trk->entry].dts +
5333 trk->cluster[trk->entry].cts +
5336 if (par->codec_id == AV_CODEC_ID_VC1) {
5337 mov_parse_vc1_frame(pkt, trk);
5338 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
5339 if (mov->mode == MODE_MOV && par->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
5340 trk->entry > 0) { // force sync sample for the first key frame
5341 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
5342 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
5343 trk->flags |= MOV_TRACK_STPS;
5345 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
5347 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
5348 trk->has_keyframes++;
5350 if (pkt->flags & AV_PKT_FLAG_DISPOSABLE) {
5351 trk->cluster[trk->entry].flags |= MOV_DISPOSABLE_SAMPLE;
5352 trk->has_disposable++;
5355 trk->sample_count += samples_in_chunk;
5356 mov->mdat_size += size;
5358 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
5359 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
5360 reformatted_data, size);
5365 av_free(reformatted_data);
5369 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
5371 MOVMuxContext *mov = s->priv_data;
5372 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5373 AVCodecParameters *par = trk->par;
5374 int64_t frag_duration = 0;
5375 int size = pkt->size;
5377 int ret = check_pkt(s, pkt);
5381 if (mov->flags & FF_MOV_FLAG_FRAG_DISCONT) {
5383 for (i = 0; i < s->nb_streams; i++)
5384 mov->tracks[i].frag_discont = 1;
5385 mov->flags &= ~FF_MOV_FLAG_FRAG_DISCONT;
5388 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS) {
5389 if (trk->dts_shift == AV_NOPTS_VALUE)
5390 trk->dts_shift = pkt->pts - pkt->dts;
5391 pkt->dts += trk->dts_shift;
5394 if (trk->par->codec_id == AV_CODEC_ID_MP4ALS ||
5395 trk->par->codec_id == AV_CODEC_ID_AAC ||
5396 trk->par->codec_id == AV_CODEC_ID_FLAC) {
5398 uint8_t *side = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, &side_size);
5399 if (side && side_size > 0 && (side_size != par->extradata_size || memcmp(side, par->extradata, side_size))) {
5400 void *newextra = av_mallocz(side_size + AV_INPUT_BUFFER_PADDING_SIZE);
5402 return AVERROR(ENOMEM);
5403 av_free(par->extradata);
5404 par->extradata = newextra;
5405 memcpy(par->extradata, side, side_size);
5406 par->extradata_size = side_size;
5407 if (!pkt->size) // Flush packet
5408 mov->need_rewrite_extradata = 1;
5413 if (trk->start_dts == AV_NOPTS_VALUE && trk->frag_discont) {
5414 trk->start_dts = pkt->dts;
5415 if (pkt->pts != AV_NOPTS_VALUE)
5416 trk->start_cts = pkt->pts - pkt->dts;
5421 return 0; /* Discard 0 sized packets */
5424 if (trk->entry && pkt->stream_index < s->nb_streams)
5425 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
5426 s->streams[pkt->stream_index]->time_base,
5428 if ((mov->max_fragment_duration &&
5429 frag_duration >= mov->max_fragment_duration) ||
5430 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
5431 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
5432 par->codec_type == AVMEDIA_TYPE_VIDEO &&
5433 trk->entry && pkt->flags & AV_PKT_FLAG_KEY) ||
5434 (mov->flags & FF_MOV_FLAG_FRAG_EVERY_FRAME)) {
5435 if (frag_duration >= mov->min_fragment_duration) {
5436 // Set the duration of this track to line up with the next
5437 // sample in this track. This avoids relying on AVPacket
5438 // duration, but only helps for this particular track, not
5439 // for the other ones that are flushed at the same time.
5440 trk->track_duration = pkt->dts - trk->start_dts;
5441 if (pkt->pts != AV_NOPTS_VALUE)
5442 trk->end_pts = pkt->pts;
5444 trk->end_pts = pkt->dts;
5445 trk->end_reliable = 1;
5446 mov_auto_flush_fragment(s, 0);
5450 return ff_mov_write_packet(s, pkt);
5453 static int mov_write_subtitle_end_packet(AVFormatContext *s,
5457 uint8_t data[2] = {0};
5460 av_init_packet(&end);
5461 end.size = sizeof(data);
5466 end.stream_index = stream_index;
5468 ret = mov_write_single_packet(s, &end);
5469 av_packet_unref(&end);
5474 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
5477 mov_flush_fragment(s, 1);
5481 MOVMuxContext *mov = s->priv_data;
5482 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5485 return mov_write_single_packet(s, pkt); /* Passthrough. */
5488 * Subtitles require special handling.
5490 * 1) For full complaince, every track must have a sample at
5491 * dts == 0, which is rarely true for subtitles. So, as soon
5492 * as we see any packet with dts > 0, write an empty subtitle
5493 * at dts == 0 for any subtitle track with no samples in it.
5495 * 2) For each subtitle track, check if the current packet's
5496 * dts is past the duration of the last subtitle sample. If
5497 * so, we now need to write an end sample for that subtitle.
5499 * This must be done conditionally to allow for subtitles that
5500 * immediately replace each other, in which case an end sample
5501 * is not needed, and is, in fact, actively harmful.
5503 * 3) See mov_write_trailer for how the final end sample is
5506 for (i = 0; i < mov->nb_streams; i++) {
5507 MOVTrack *trk = &mov->tracks[i];
5510 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
5511 trk->track_duration < pkt->dts &&
5512 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
5513 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
5514 if (ret < 0) return ret;
5515 trk->last_sample_is_subtitle_end = 1;
5519 if (trk->mode == MODE_MOV && trk->par->codec_type == AVMEDIA_TYPE_VIDEO) {
5520 AVPacket *opkt = pkt;
5521 int reshuffle_ret, ret;
5522 if (trk->is_unaligned_qt_rgb) {
5523 int64_t bpc = trk->par->bits_per_coded_sample != 15 ? trk->par->bits_per_coded_sample : 16;
5524 int expected_stride = ((trk->par->width * bpc + 15) >> 4)*2;
5525 reshuffle_ret = ff_reshuffle_raw_rgb(s, &pkt, trk->par, expected_stride);
5526 if (reshuffle_ret < 0)
5527 return reshuffle_ret;
5530 if (trk->par->format == AV_PIX_FMT_PAL8 && !trk->pal_done) {
5531 ret = ff_get_packet_palette(s, opkt, reshuffle_ret, trk->palette);
5536 } else if (trk->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
5537 (trk->par->format == AV_PIX_FMT_GRAY8 ||
5538 trk->par->format == AV_PIX_FMT_MONOBLACK)) {
5539 for (i = 0; i < pkt->size; i++)
5540 pkt->data[i] = ~pkt->data[i];
5542 if (reshuffle_ret) {
5543 ret = mov_write_single_packet(s, pkt);
5546 av_packet_free(&pkt);
5551 return mov_write_single_packet(s, pkt);
5555 // QuickTime chapters involve an additional text track with the chapter names
5556 // as samples, and a tref pointing from the other tracks to the chapter one.
5557 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
5561 MOVMuxContext *mov = s->priv_data;
5562 MOVTrack *track = &mov->tracks[tracknum];
5563 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
5566 track->mode = mov->mode;
5567 track->tag = MKTAG('t','e','x','t');
5568 track->timescale = MOV_TIMESCALE;
5569 track->par = avcodec_parameters_alloc();
5571 return AVERROR(ENOMEM);
5572 track->par->codec_type = AVMEDIA_TYPE_SUBTITLE;
5574 // These properties are required to make QT recognize the chapter track
5575 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
5576 if (ff_alloc_extradata(track->par, sizeof(chapter_properties)))
5577 return AVERROR(ENOMEM);
5578 memcpy(track->par->extradata, chapter_properties, sizeof(chapter_properties));
5580 if (avio_open_dyn_buf(&pb) >= 0) {
5584 /* Stub header (usually for Quicktime chapter track) */
5586 avio_wb32(pb, 0x01); // displayFlags
5587 avio_w8(pb, 0x00); // horizontal justification
5588 avio_w8(pb, 0x00); // vertical justification
5589 avio_w8(pb, 0x00); // bgColourRed
5590 avio_w8(pb, 0x00); // bgColourGreen
5591 avio_w8(pb, 0x00); // bgColourBlue
5592 avio_w8(pb, 0x00); // bgColourAlpha
5594 avio_wb16(pb, 0x00); // defTextBoxTop
5595 avio_wb16(pb, 0x00); // defTextBoxLeft
5596 avio_wb16(pb, 0x00); // defTextBoxBottom
5597 avio_wb16(pb, 0x00); // defTextBoxRight
5599 avio_wb16(pb, 0x00); // startChar
5600 avio_wb16(pb, 0x00); // endChar
5601 avio_wb16(pb, 0x01); // fontID
5602 avio_w8(pb, 0x00); // fontStyleFlags
5603 avio_w8(pb, 0x00); // fontSize
5604 avio_w8(pb, 0x00); // fgColourRed
5605 avio_w8(pb, 0x00); // fgColourGreen
5606 avio_w8(pb, 0x00); // fgColourBlue
5607 avio_w8(pb, 0x00); // fgColourAlpha
5609 avio_wb32(pb, 0x0D); // box size
5610 ffio_wfourcc(pb, "ftab"); // box atom name
5611 avio_wb16(pb, 0x01); // entry count
5613 avio_wb16(pb, 0x01); // font ID
5614 avio_w8(pb, 0x00); // font name length
5616 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
5617 track->par->extradata = buf;
5618 track->par->extradata_size = size;
5625 for (i = 0; i < s->nb_chapters; i++) {
5626 AVChapter *c = s->chapters[i];
5627 AVDictionaryEntry *t;
5629 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
5630 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
5631 pkt.duration = end - pkt.dts;
5633 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
5634 static const char encd[12] = {
5635 0x00, 0x00, 0x00, 0x0C,
5637 0x00, 0x00, 0x01, 0x00 };
5638 len = strlen(t->value);
5639 pkt.size = len + 2 + 12;
5640 pkt.data = av_malloc(pkt.size);
5642 return AVERROR(ENOMEM);
5643 AV_WB16(pkt.data, len);
5644 memcpy(pkt.data + 2, t->value, len);
5645 memcpy(pkt.data + len + 2, encd, sizeof(encd));
5646 ff_mov_write_packet(s, &pkt);
5647 av_freep(&pkt.data);
5655 static int mov_check_timecode_track(AVFormatContext *s, AVTimecode *tc, int src_index, const char *tcstr)
5659 /* compute the frame number */
5660 ret = av_timecode_init_from_string(tc, find_fps(s, s->streams[src_index]), tcstr, s);
5664 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, AVTimecode tc)
5667 MOVMuxContext *mov = s->priv_data;
5668 MOVTrack *track = &mov->tracks[index];
5669 AVStream *src_st = s->streams[src_index];
5670 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
5671 AVRational rate = find_fps(s, src_st);
5673 /* tmcd track based on video stream */
5674 track->mode = mov->mode;
5675 track->tag = MKTAG('t','m','c','d');
5676 track->src_track = src_index;
5677 track->timescale = mov->tracks[src_index].timescale;
5678 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
5679 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
5681 /* set st to src_st for metadata access*/
5684 /* encode context: tmcd data stream */
5685 track->par = avcodec_parameters_alloc();
5687 return AVERROR(ENOMEM);
5688 track->par->codec_type = AVMEDIA_TYPE_DATA;
5689 track->par->codec_tag = track->tag;
5690 track->st->avg_frame_rate = av_inv_q(rate);
5692 /* the tmcd track just contains one packet with the frame number */
5693 pkt.data = av_malloc(pkt.size);
5695 return AVERROR(ENOMEM);
5696 AV_WB32(pkt.data, tc.start);
5697 ret = ff_mov_write_packet(s, &pkt);
5703 * st->disposition controls the "enabled" flag in the tkhd tag.
5704 * QuickTime will not play a track if it is not enabled. So make sure
5705 * that one track of each type (audio, video, subtitle) is enabled.
5707 * Subtitles are special. For audio and video, setting "enabled" also
5708 * makes the track "default" (i.e. it is rendered when played). For
5709 * subtitles, an "enabled" subtitle is not rendered by default, but
5710 * if no subtitle is enabled, the subtitle menu in QuickTime will be
5713 static void enable_tracks(AVFormatContext *s)
5715 MOVMuxContext *mov = s->priv_data;
5717 int enabled[AVMEDIA_TYPE_NB];
5718 int first[AVMEDIA_TYPE_NB];
5720 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
5725 for (i = 0; i < s->nb_streams; i++) {
5726 AVStream *st = s->streams[i];
5728 if (st->codecpar->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
5729 st->codecpar->codec_type >= AVMEDIA_TYPE_NB)
5732 if (first[st->codecpar->codec_type] < 0)
5733 first[st->codecpar->codec_type] = i;
5734 if (st->disposition & AV_DISPOSITION_DEFAULT) {
5735 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
5736 enabled[st->codecpar->codec_type]++;
5740 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
5742 case AVMEDIA_TYPE_VIDEO:
5743 case AVMEDIA_TYPE_AUDIO:
5744 case AVMEDIA_TYPE_SUBTITLE:
5746 mov->per_stream_grouping = 1;
5747 if (!enabled[i] && first[i] >= 0)
5748 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
5754 static void mov_free(AVFormatContext *s)
5756 MOVMuxContext *mov = s->priv_data;
5759 if (mov->chapter_track) {
5760 if (mov->tracks[mov->chapter_track].par)
5761 av_freep(&mov->tracks[mov->chapter_track].par->extradata);
5762 av_freep(&mov->tracks[mov->chapter_track].par);
5765 for (i = 0; i < mov->nb_streams; i++) {
5766 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
5767 ff_mov_close_hinting(&mov->tracks[i]);
5768 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
5769 av_freep(&mov->tracks[i].par);
5770 av_freep(&mov->tracks[i].cluster);
5771 av_freep(&mov->tracks[i].frag_info);
5773 if (mov->tracks[i].vos_len)
5774 av_freep(&mov->tracks[i].vos_data);
5776 ff_mov_cenc_free(&mov->tracks[i].cenc);
5779 av_freep(&mov->tracks);
5782 static uint32_t rgb_to_yuv(uint32_t rgb)
5787 r = (rgb >> 16) & 0xFF;
5788 g = (rgb >> 8) & 0xFF;
5791 y = av_clip_uint8(( 16000 + 257 * r + 504 * g + 98 * b)/1000);
5792 cb = av_clip_uint8((128000 - 148 * r - 291 * g + 439 * b)/1000);
5793 cr = av_clip_uint8((128000 + 439 * r - 368 * g - 71 * b)/1000);
5795 return (y << 16) | (cr << 8) | cb;
5798 static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track,
5801 int i, width = 720, height = 480;
5802 int have_palette = 0, have_size = 0;
5803 uint32_t palette[16];
5804 char *cur = st->codecpar->extradata;
5806 while (cur && *cur) {
5807 if (strncmp("palette:", cur, 8) == 0) {
5809 count = sscanf(cur + 8,
5810 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
5811 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
5812 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
5813 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
5814 &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
5815 &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
5816 &palette[ 8], &palette[ 9], &palette[10], &palette[11],
5817 &palette[12], &palette[13], &palette[14], &palette[15]);
5819 for (i = 0; i < count; i++) {
5820 palette[i] = rgb_to_yuv(palette[i]);
5823 } else if (!strncmp("size:", cur, 5)) {
5824 sscanf(cur + 5, "%dx%d", &width, &height);
5827 if (have_palette && have_size)
5829 cur += strcspn(cur, "\n\r");
5830 cur += strspn(cur, "\n\r");
5833 track->vos_data = av_malloc(16*4);
5834 if (!track->vos_data)
5835 return AVERROR(ENOMEM);
5836 for (i = 0; i < 16; i++) {
5837 AV_WB32(track->vos_data + i * 4, palette[i]);
5839 track->vos_len = 16 * 4;
5841 st->codecpar->width = width;
5842 st->codecpar->height = track->height = height;
5847 static int mov_init(AVFormatContext *s)
5849 MOVMuxContext *mov = s->priv_data;
5850 AVDictionaryEntry *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
5855 /* Default mode == MP4 */
5856 mov->mode = MODE_MP4;
5859 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
5860 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
5861 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
5862 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
5863 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
5864 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
5865 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
5868 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5869 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV;
5871 /* Set the FRAGMENT flag if any of the fragmentation methods are
5873 if (mov->max_fragment_duration || mov->max_fragment_size ||
5874 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
5875 FF_MOV_FLAG_FRAG_KEYFRAME |
5876 FF_MOV_FLAG_FRAG_CUSTOM |
5877 FF_MOV_FLAG_FRAG_EVERY_FRAME))
5878 mov->flags |= FF_MOV_FLAG_FRAGMENT;
5880 /* Set other implicit flags immediately */
5881 if (mov->mode == MODE_ISM)
5882 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
5883 FF_MOV_FLAG_FRAGMENT;
5884 if (mov->flags & FF_MOV_FLAG_DASH)
5885 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
5886 FF_MOV_FLAG_DEFAULT_BASE_MOOF;
5888 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV && s->flags & AVFMT_FLAG_AUTO_BSF) {
5889 av_log(s, AV_LOG_VERBOSE, "Empty MOOV enabled; disabling automatic bitstream filtering\n");
5890 s->flags &= ~AVFMT_FLAG_AUTO_BSF;
5893 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
5894 mov->reserved_moov_size = -1;
5897 if (mov->use_editlist < 0) {
5898 mov->use_editlist = 1;
5899 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
5900 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
5901 // If we can avoid needing an edit list by shifting the
5902 // tracks, prefer that over (trying to) write edit lists
5903 // in fragmented output.
5904 if (s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO ||
5905 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO)
5906 mov->use_editlist = 0;
5909 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
5910 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV) && mov->use_editlist)
5911 av_log(s, AV_LOG_WARNING, "No meaningful edit list will be written when using empty_moov without delay_moov\n");
5913 if (!mov->use_editlist && s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO)
5914 s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_ZERO;
5916 /* Clear the omit_tfhd_offset flag if default_base_moof is set;
5917 * if the latter is set that's enough and omit_tfhd_offset doesn't
5918 * add anything extra on top of that. */
5919 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
5920 mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
5921 mov->flags &= ~FF_MOV_FLAG_OMIT_TFHD_OFFSET;
5923 if (mov->frag_interleave &&
5924 mov->flags & (FF_MOV_FLAG_OMIT_TFHD_OFFSET | FF_MOV_FLAG_SEPARATE_MOOF)) {
5925 av_log(s, AV_LOG_ERROR,
5926 "Sample interleaving in fragments is mutually exclusive with "
5927 "omit_tfhd_offset and separate_moof\n");
5928 return AVERROR(EINVAL);
5931 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
5932 * is enabled, we don't support non-seekable output at all. */
5933 if (!(s->pb->seekable & AVIO_SEEKABLE_NORMAL) &&
5934 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
5935 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
5936 return AVERROR(EINVAL);
5939 mov->nb_streams = s->nb_streams;
5940 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
5941 mov->chapter_track = mov->nb_streams++;
5943 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
5944 /* Add hint tracks for each audio and video stream */
5945 for (i = 0; i < s->nb_streams; i++) {
5946 AVStream *st = s->streams[i];
5947 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
5948 st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
5954 if ( mov->write_tmcd == -1 && (mov->mode == MODE_MOV || mov->mode == MODE_MP4)
5955 || mov->write_tmcd == 1) {
5956 /* +1 tmcd track for each video stream with a timecode */
5957 for (i = 0; i < s->nb_streams; i++) {
5958 AVStream *st = s->streams[i];
5959 AVDictionaryEntry *t = global_tcr;
5960 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
5961 (t || (t=av_dict_get(st->metadata, "timecode", NULL, 0)))) {
5963 ret = mov_check_timecode_track(s, &tc, i, t->value);
5965 mov->nb_meta_tmcd++;
5969 /* check if there is already a tmcd track to remux */
5970 if (mov->nb_meta_tmcd) {
5971 for (i = 0; i < s->nb_streams; i++) {
5972 AVStream *st = s->streams[i];
5973 if (st->codecpar->codec_tag == MKTAG('t','m','c','d')) {
5974 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
5975 "so timecode metadata are now ignored\n");
5976 mov->nb_meta_tmcd = 0;
5981 mov->nb_streams += mov->nb_meta_tmcd;
5984 // Reserve an extra stream for chapters for the case where chapters
5985 // are written in the trailer
5986 mov->tracks = av_mallocz_array((mov->nb_streams + 1), sizeof(*mov->tracks));
5988 return AVERROR(ENOMEM);
5990 if (mov->encryption_scheme_str != NULL && strcmp(mov->encryption_scheme_str, "none") != 0) {
5991 if (strcmp(mov->encryption_scheme_str, "cenc-aes-ctr") == 0) {
5992 mov->encryption_scheme = MOV_ENC_CENC_AES_CTR;
5994 if (mov->encryption_key_len != AES_CTR_KEY_SIZE) {
5995 av_log(s, AV_LOG_ERROR, "Invalid encryption key len %d expected %d\n",
5996 mov->encryption_key_len, AES_CTR_KEY_SIZE);
5997 return AVERROR(EINVAL);
6000 if (mov->encryption_kid_len != CENC_KID_SIZE) {
6001 av_log(s, AV_LOG_ERROR, "Invalid encryption kid len %d expected %d\n",
6002 mov->encryption_kid_len, CENC_KID_SIZE);
6003 return AVERROR(EINVAL);
6006 av_log(s, AV_LOG_ERROR, "unsupported encryption scheme %s\n",
6007 mov->encryption_scheme_str);
6008 return AVERROR(EINVAL);
6012 for (i = 0; i < s->nb_streams; i++) {
6013 AVStream *st= s->streams[i];
6014 MOVTrack *track= &mov->tracks[i];
6015 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
6018 track->par = st->codecpar;
6019 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
6020 if (track->language < 0)
6021 track->language = 0;
6022 track->mode = mov->mode;
6023 track->tag = mov_find_codec_tag(s, track);
6025 av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, "
6026 "codec not currently supported in container\n",
6027 avcodec_get_name(st->codecpar->codec_id), i);
6028 return AVERROR(EINVAL);
6030 /* If hinting of this track is enabled by a later hint track,
6031 * this is updated. */
6032 track->hint_track = -1;
6033 track->start_dts = AV_NOPTS_VALUE;
6034 track->start_cts = AV_NOPTS_VALUE;
6035 track->end_pts = AV_NOPTS_VALUE;
6036 track->dts_shift = AV_NOPTS_VALUE;
6037 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
6038 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
6039 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
6040 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
6041 if (st->codecpar->width != 720 || (st->codecpar->height != 608 && st->codecpar->height != 512)) {
6042 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
6043 return AVERROR(EINVAL);
6045 track->height = track->tag >> 24 == 'n' ? 486 : 576;
6047 if (mov->video_track_timescale) {
6048 track->timescale = mov->video_track_timescale;
6050 track->timescale = st->time_base.den;
6051 while(track->timescale < 10000)
6052 track->timescale *= 2;
6054 if (st->codecpar->width > 65535 || st->codecpar->height > 65535) {
6055 av_log(s, AV_LOG_ERROR, "Resolution %dx%d too large for mov/mp4\n", st->codecpar->width, st->codecpar->height);
6056 return AVERROR(EINVAL);
6058 if (track->mode == MODE_MOV && track->timescale > 100000)
6059 av_log(s, AV_LOG_WARNING,
6060 "WARNING codec timebase is very high. If duration is too long,\n"
6061 "file may not be playable by quicktime. Specify a shorter timebase\n"
6062 "or choose different container.\n");
6063 if (track->mode == MODE_MOV &&
6064 track->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
6065 track->tag == MKTAG('r','a','w',' ')) {
6066 enum AVPixelFormat pix_fmt = track->par->format;
6067 if (pix_fmt == AV_PIX_FMT_NONE && track->par->bits_per_coded_sample == 1)
6068 pix_fmt = AV_PIX_FMT_MONOWHITE;
6069 track->is_unaligned_qt_rgb =
6070 pix_fmt == AV_PIX_FMT_RGB24 ||
6071 pix_fmt == AV_PIX_FMT_BGR24 ||
6072 pix_fmt == AV_PIX_FMT_PAL8 ||
6073 pix_fmt == AV_PIX_FMT_GRAY8 ||
6074 pix_fmt == AV_PIX_FMT_MONOWHITE ||
6075 pix_fmt == AV_PIX_FMT_MONOBLACK;
6077 if (track->par->codec_id == AV_CODEC_ID_VP9) {
6078 if (track->mode != MODE_MP4) {
6079 av_log(s, AV_LOG_ERROR, "VP9 only supported in MP4.\n");
6080 return AVERROR(EINVAL);
6082 } else if (track->par->codec_id == AV_CODEC_ID_VP8) {
6083 /* altref frames handling is not defined in the spec as of version v1.0,
6084 * so just forbid muxing VP8 streams altogether until a new version does */
6085 av_log(s, AV_LOG_ERROR, "VP8 muxing is currently not supported.\n");
6086 return AVERROR_PATCHWELCOME;
6088 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
6089 track->timescale = st->codecpar->sample_rate;
6090 if (!st->codecpar->frame_size && !av_get_bits_per_sample(st->codecpar->codec_id)) {
6091 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
6092 track->audio_vbr = 1;
6093 }else if (st->codecpar->codec_id == AV_CODEC_ID_ADPCM_MS ||
6094 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
6095 st->codecpar->codec_id == AV_CODEC_ID_ILBC){
6096 if (!st->codecpar->block_align) {
6097 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
6098 return AVERROR(EINVAL);
6100 track->sample_size = st->codecpar->block_align;
6101 }else if (st->codecpar->frame_size > 1){ /* assume compressed audio */
6102 track->audio_vbr = 1;
6104 track->sample_size = (av_get_bits_per_sample(st->codecpar->codec_id) >> 3) * st->codecpar->channels;
6106 if (st->codecpar->codec_id == AV_CODEC_ID_ILBC ||
6107 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_QT) {
6108 track->audio_vbr = 1;
6110 if (track->mode != MODE_MOV &&
6111 track->par->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
6112 if (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL) {
6113 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not standard, to mux anyway set strict to -1\n",
6114 i, track->par->sample_rate);
6115 return AVERROR(EINVAL);
6117 av_log(s, AV_LOG_WARNING, "track %d: muxing mp3 at %dhz is not standard in MP4\n",
6118 i, track->par->sample_rate);
6121 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
6122 track->par->codec_id == AV_CODEC_ID_OPUS) {
6123 if (track->mode != MODE_MP4) {
6124 av_log(s, AV_LOG_ERROR, "%s only supported in MP4.\n", avcodec_get_name(track->par->codec_id));
6125 return AVERROR(EINVAL);
6127 if (s->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
6128 av_log(s, AV_LOG_ERROR,
6129 "%s in MP4 support is experimental, add "
6130 "'-strict %d' if you want to use it.\n",
6131 avcodec_get_name(track->par->codec_id), FF_COMPLIANCE_EXPERIMENTAL);
6132 return AVERROR_EXPERIMENTAL;
6135 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
6136 track->timescale = st->time_base.den;
6137 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) {
6138 track->timescale = st->time_base.den;
6140 track->timescale = MOV_TIMESCALE;
6143 track->height = st->codecpar->height;
6144 /* The ism specific timescale isn't mandatory, but is assumed by
6145 * some tools, such as mp4split. */
6146 if (mov->mode == MODE_ISM)
6147 track->timescale = 10000000;
6149 avpriv_set_pts_info(st, 64, 1, track->timescale);
6151 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
6152 ret = ff_mov_cenc_init(&track->cenc, mov->encryption_key,
6153 track->par->codec_id == AV_CODEC_ID_H264, s->flags & AVFMT_FLAG_BITEXACT);
6163 static int mov_write_header(AVFormatContext *s)
6165 AVIOContext *pb = s->pb;
6166 MOVMuxContext *mov = s->priv_data;
6167 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
6168 int i, ret, hint_track = 0, tmcd_track = 0, nb_tracks = s->nb_streams;
6170 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
6173 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6174 /* Add hint tracks for each audio and video stream */
6175 hint_track = nb_tracks;
6176 for (i = 0; i < s->nb_streams; i++) {
6177 AVStream *st = s->streams[i];
6178 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
6179 st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
6185 if (mov->mode == MODE_MOV || mov->mode == MODE_MP4)
6186 tmcd_track = nb_tracks;
6188 for (i = 0; i < s->nb_streams; i++) {
6190 AVStream *st= s->streams[i];
6191 MOVTrack *track= &mov->tracks[i];
6193 /* copy extradata if it exists */
6194 if (st->codecpar->extradata_size) {
6195 if (st->codecpar->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
6196 mov_create_dvd_sub_decoder_specific_info(track, st);
6197 else if (!TAG_IS_AVCI(track->tag) && st->codecpar->codec_id != AV_CODEC_ID_DNXHD) {
6198 track->vos_len = st->codecpar->extradata_size;
6199 track->vos_data = av_malloc(track->vos_len);
6200 if (!track->vos_data) {
6201 return AVERROR(ENOMEM);
6203 memcpy(track->vos_data, st->codecpar->extradata, track->vos_len);
6207 if (st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
6208 track->par->channel_layout != AV_CH_LAYOUT_MONO)
6211 for (j = 0; j < s->nb_streams; j++) {
6212 AVStream *stj= s->streams[j];
6213 MOVTrack *trackj= &mov->tracks[j];
6217 if (stj->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
6218 trackj->par->channel_layout != AV_CH_LAYOUT_MONO ||
6219 trackj->language != track->language ||
6220 trackj->tag != track->tag
6223 track->multichannel_as_mono++;
6227 if (!(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6228 if ((ret = mov_write_identification(pb, s)) < 0)
6232 if (mov->reserved_moov_size){
6233 mov->reserved_header_pos = avio_tell(pb);
6234 if (mov->reserved_moov_size > 0)
6235 avio_skip(pb, mov->reserved_moov_size);
6238 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
6239 /* If no fragmentation options have been set, set a default. */
6240 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
6241 FF_MOV_FLAG_FRAG_CUSTOM |
6242 FF_MOV_FLAG_FRAG_EVERY_FRAME)) &&
6243 !mov->max_fragment_duration && !mov->max_fragment_size)
6244 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
6246 if (mov->flags & FF_MOV_FLAG_FASTSTART)
6247 mov->reserved_header_pos = avio_tell(pb);
6248 mov_write_mdat_tag(pb, mov);
6251 ff_parse_creation_time_metadata(s, &mov->time, 1);
6253 mov->time += 0x7C25B080; // 1970 based -> 1904 based
6255 if (mov->chapter_track)
6256 if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0)
6259 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6260 /* Initialize the hint tracks for each audio and video stream */
6261 for (i = 0; i < s->nb_streams; i++) {
6262 AVStream *st = s->streams[i];
6263 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
6264 st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
6265 if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0)
6272 if (mov->nb_meta_tmcd) {
6273 /* Initialize the tmcd tracks */
6274 for (i = 0; i < s->nb_streams; i++) {
6275 AVStream *st = s->streams[i];
6278 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
6281 t = av_dict_get(st->metadata, "timecode", NULL, 0);
6284 if (mov_check_timecode_track(s, &tc, i, t->value) < 0)
6286 if ((ret = mov_create_timecode_track(s, tmcd_track, i, tc)) < 0)
6295 if (mov->flags & FF_MOV_FLAG_ISML)
6296 mov_write_isml_manifest(pb, mov, s);
6298 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
6299 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6300 if ((ret = mov_write_moov_tag(pb, mov, s)) < 0)
6303 mov->moov_written = 1;
6304 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
6305 mov->reserved_header_pos = avio_tell(pb);
6311 static int get_moov_size(AVFormatContext *s)
6314 AVIOContext *moov_buf;
6315 MOVMuxContext *mov = s->priv_data;
6317 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
6319 if ((ret = mov_write_moov_tag(moov_buf, mov, s)) < 0)
6321 return ffio_close_null_buf(moov_buf);
6324 static int get_sidx_size(AVFormatContext *s)
6328 MOVMuxContext *mov = s->priv_data;
6330 if ((ret = ffio_open_null_buf(&buf)) < 0)
6332 mov_write_sidx_tags(buf, mov, -1, 0);
6333 return ffio_close_null_buf(buf);
6337 * This function gets the moov size if moved to the top of the file: the chunk
6338 * offset table can switch between stco (32-bit entries) to co64 (64-bit
6339 * entries) when the moov is moved to the beginning, so the size of the moov
6340 * would change. It also updates the chunk offset tables.
6342 static int compute_moov_size(AVFormatContext *s)
6344 int i, moov_size, moov_size2;
6345 MOVMuxContext *mov = s->priv_data;
6347 moov_size = get_moov_size(s);
6351 for (i = 0; i < mov->nb_streams; i++)
6352 mov->tracks[i].data_offset += moov_size;
6354 moov_size2 = get_moov_size(s);
6358 /* if the size changed, we just switched from stco to co64 and need to
6359 * update the offsets */
6360 if (moov_size2 != moov_size)
6361 for (i = 0; i < mov->nb_streams; i++)
6362 mov->tracks[i].data_offset += moov_size2 - moov_size;
6367 static int compute_sidx_size(AVFormatContext *s)
6370 MOVMuxContext *mov = s->priv_data;
6372 sidx_size = get_sidx_size(s);
6376 for (i = 0; i < mov->nb_streams; i++)
6377 mov->tracks[i].data_offset += sidx_size;
6382 static int shift_data(AVFormatContext *s)
6384 int ret = 0, moov_size;
6385 MOVMuxContext *mov = s->priv_data;
6386 int64_t pos, pos_end = avio_tell(s->pb);
6387 uint8_t *buf, *read_buf[2];
6388 int read_buf_id = 0;
6390 AVIOContext *read_pb;
6392 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
6393 moov_size = compute_sidx_size(s);
6395 moov_size = compute_moov_size(s);
6399 buf = av_malloc(moov_size * 2);
6401 return AVERROR(ENOMEM);
6403 read_buf[1] = buf + moov_size;
6405 /* Shift the data: the AVIO context of the output can only be used for
6406 * writing, so we re-open the same output, but for reading. It also avoids
6407 * a read/seek/write/seek back and forth. */
6409 ret = s->io_open(s, &read_pb, s->url, AVIO_FLAG_READ, NULL);
6411 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
6412 "the second pass (faststart)\n", s->url);
6416 /* mark the end of the shift to up to the last data we wrote, and get ready
6418 pos_end = avio_tell(s->pb);
6419 avio_seek(s->pb, mov->reserved_header_pos + moov_size, SEEK_SET);
6421 /* start reading at where the new moov will be placed */
6422 avio_seek(read_pb, mov->reserved_header_pos, SEEK_SET);
6423 pos = avio_tell(read_pb);
6425 #define READ_BLOCK do { \
6426 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
6430 /* shift data by chunk of at most moov_size */
6435 n = read_size[read_buf_id];
6438 avio_write(s->pb, read_buf[read_buf_id], n);
6440 } while (pos < pos_end);
6441 ff_format_io_close(s, &read_pb);
6448 static int mov_write_trailer(AVFormatContext *s)
6450 MOVMuxContext *mov = s->priv_data;
6451 AVIOContext *pb = s->pb;
6456 if (mov->need_rewrite_extradata) {
6457 for (i = 0; i < s->nb_streams; i++) {
6458 MOVTrack *track = &mov->tracks[i];
6459 AVCodecParameters *par = track->par;
6461 track->vos_len = par->extradata_size;
6462 track->vos_data = av_malloc(track->vos_len);
6463 if (!track->vos_data)
6464 return AVERROR(ENOMEM);
6465 memcpy(track->vos_data, par->extradata, track->vos_len);
6467 mov->need_rewrite_extradata = 0;
6471 * Before actually writing the trailer, make sure that there are no
6472 * dangling subtitles, that need a terminating sample.
6474 for (i = 0; i < mov->nb_streams; i++) {
6475 MOVTrack *trk = &mov->tracks[i];
6476 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
6477 !trk->last_sample_is_subtitle_end) {
6478 mov_write_subtitle_end_packet(s, i, trk->track_duration);
6479 trk->last_sample_is_subtitle_end = 1;
6483 // If there were no chapters when the header was written, but there
6484 // are chapters now, write them in the trailer. This only works
6485 // when we are not doing fragments.
6486 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
6487 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
6488 mov->chapter_track = mov->nb_streams++;
6489 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
6494 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
6495 moov_pos = avio_tell(pb);
6497 /* Write size of mdat tag */
6498 if (mov->mdat_size + 8 <= UINT32_MAX) {
6499 avio_seek(pb, mov->mdat_pos, SEEK_SET);
6500 avio_wb32(pb, mov->mdat_size + 8);
6502 /* overwrite 'wide' placeholder atom */
6503 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
6504 /* special value: real atom size will be 64 bit value after
6507 ffio_wfourcc(pb, "mdat");
6508 avio_wb64(pb, mov->mdat_size + 16);
6510 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_header_pos : moov_pos, SEEK_SET);
6512 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
6513 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
6514 res = shift_data(s);
6517 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
6518 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6520 } else if (mov->reserved_moov_size > 0) {
6522 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6524 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_header_pos);
6526 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
6527 return AVERROR(EINVAL);
6529 avio_wb32(pb, size);
6530 ffio_wfourcc(pb, "free");
6531 ffio_fill(pb, 0, size - 8);
6532 avio_seek(pb, moov_pos, SEEK_SET);
6534 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6539 mov_auto_flush_fragment(s, 1);
6540 for (i = 0; i < mov->nb_streams; i++)
6541 mov->tracks[i].data_offset = 0;
6542 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) {
6544 av_log(s, AV_LOG_INFO, "Starting second pass: inserting sidx atoms\n");
6545 res = shift_data(s);
6548 end = avio_tell(pb);
6549 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
6550 mov_write_sidx_tags(pb, mov, -1, 0);
6551 avio_seek(pb, end, SEEK_SET);
6552 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_TRAILER);
6553 mov_write_mfra_tag(pb, mov);
6554 } else if (!(mov->flags & FF_MOV_FLAG_SKIP_TRAILER)) {
6555 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_TRAILER);
6556 mov_write_mfra_tag(pb, mov);
6563 static int mov_check_bitstream(struct AVFormatContext *s, const AVPacket *pkt)
6566 AVStream *st = s->streams[pkt->stream_index];
6568 if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
6569 if (pkt->size > 2 && (AV_RB16(pkt->data) & 0xfff0) == 0xfff0)
6570 ret = ff_stream_add_bitstream_filter(st, "aac_adtstoasc", NULL);
6571 } else if (st->codecpar->codec_id == AV_CODEC_ID_VP9) {
6572 ret = ff_stream_add_bitstream_filter(st, "vp9_superframe", NULL);
6578 static const AVCodecTag codec_3gp_tags[] = {
6579 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
6580 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
6581 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
6582 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
6583 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
6584 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
6585 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
6586 { AV_CODEC_ID_NONE, 0 },
6589 const AVCodecTag codec_mp4_tags[] = {
6590 { AV_CODEC_ID_MPEG4 , MKTAG('m', 'p', '4', 'v') },
6591 { AV_CODEC_ID_H264 , MKTAG('a', 'v', 'c', '1') },
6592 { AV_CODEC_ID_H264 , MKTAG('a', 'v', 'c', '3') },
6593 { AV_CODEC_ID_HEVC , MKTAG('h', 'e', 'v', '1') },
6594 { AV_CODEC_ID_HEVC , MKTAG('h', 'v', 'c', '1') },
6595 { AV_CODEC_ID_MPEG2VIDEO , MKTAG('m', 'p', '4', 'v') },
6596 { AV_CODEC_ID_MPEG1VIDEO , MKTAG('m', 'p', '4', 'v') },
6597 { AV_CODEC_ID_MJPEG , MKTAG('m', 'p', '4', 'v') },
6598 { AV_CODEC_ID_PNG , MKTAG('m', 'p', '4', 'v') },
6599 { AV_CODEC_ID_JPEG2000 , MKTAG('m', 'p', '4', 'v') },
6600 { AV_CODEC_ID_VC1 , MKTAG('v', 'c', '-', '1') },
6601 { AV_CODEC_ID_DIRAC , MKTAG('d', 'r', 'a', 'c') },
6602 { AV_CODEC_ID_TSCC2 , MKTAG('m', 'p', '4', 'v') },
6603 { AV_CODEC_ID_VP9 , MKTAG('v', 'p', '0', '9') },
6604 { AV_CODEC_ID_AAC , MKTAG('m', 'p', '4', 'a') },
6605 { AV_CODEC_ID_MP4ALS , MKTAG('m', 'p', '4', 'a') },
6606 { AV_CODEC_ID_MP3 , MKTAG('m', 'p', '4', 'a') },
6607 { AV_CODEC_ID_MP2 , MKTAG('m', 'p', '4', 'a') },
6608 { AV_CODEC_ID_AC3 , MKTAG('a', 'c', '-', '3') },
6609 { AV_CODEC_ID_EAC3 , MKTAG('e', 'c', '-', '3') },
6610 { AV_CODEC_ID_DTS , MKTAG('m', 'p', '4', 'a') },
6611 { AV_CODEC_ID_FLAC , MKTAG('f', 'L', 'a', 'C') },
6612 { AV_CODEC_ID_OPUS , MKTAG('O', 'p', 'u', 's') },
6613 { AV_CODEC_ID_VORBIS , MKTAG('m', 'p', '4', 'a') },
6614 { AV_CODEC_ID_QCELP , MKTAG('m', 'p', '4', 'a') },
6615 { AV_CODEC_ID_EVRC , MKTAG('m', 'p', '4', 'a') },
6616 { AV_CODEC_ID_DVD_SUBTITLE, MKTAG('m', 'p', '4', 's') },
6617 { AV_CODEC_ID_MOV_TEXT , MKTAG('t', 'x', '3', 'g') },
6618 { AV_CODEC_ID_NONE , 0 },
6621 const AVCodecTag codec_ism_tags[] = {
6622 { AV_CODEC_ID_WMAPRO , MKTAG('w', 'm', 'a', ' ') },
6623 { AV_CODEC_ID_NONE , 0 },
6626 static const AVCodecTag codec_ipod_tags[] = {
6627 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
6628 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
6629 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
6630 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
6631 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
6632 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
6633 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
6634 { AV_CODEC_ID_NONE, 0 },
6637 static const AVCodecTag codec_f4v_tags[] = {
6638 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
6639 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
6640 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
6641 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
6642 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
6643 { AV_CODEC_ID_NONE, 0 },
6646 #if CONFIG_MOV_MUXER
6648 AVOutputFormat ff_mov_muxer = {
6650 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
6651 .extensions = "mov",
6652 .priv_data_size = sizeof(MOVMuxContext),
6653 .audio_codec = AV_CODEC_ID_AAC,
6654 .video_codec = CONFIG_LIBX264_ENCODER ?
6655 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
6657 .write_header = mov_write_header,
6658 .write_packet = mov_write_packet,
6659 .write_trailer = mov_write_trailer,
6661 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6662 .codec_tag = (const AVCodecTag* const []){
6663 ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0
6665 .check_bitstream = mov_check_bitstream,
6666 .priv_class = &mov_muxer_class,
6669 #if CONFIG_TGP_MUXER
6671 AVOutputFormat ff_tgp_muxer = {
6673 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
6674 .extensions = "3gp",
6675 .priv_data_size = sizeof(MOVMuxContext),
6676 .audio_codec = AV_CODEC_ID_AMR_NB,
6677 .video_codec = AV_CODEC_ID_H263,
6679 .write_header = mov_write_header,
6680 .write_packet = mov_write_packet,
6681 .write_trailer = mov_write_trailer,
6683 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6684 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
6685 .check_bitstream = mov_check_bitstream,
6686 .priv_class = &tgp_muxer_class,
6689 #if CONFIG_MP4_MUXER
6691 AVOutputFormat ff_mp4_muxer = {
6693 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
6694 .mime_type = "video/mp4",
6695 .extensions = "mp4",
6696 .priv_data_size = sizeof(MOVMuxContext),
6697 .audio_codec = AV_CODEC_ID_AAC,
6698 .video_codec = CONFIG_LIBX264_ENCODER ?
6699 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
6701 .write_header = mov_write_header,
6702 .write_packet = mov_write_packet,
6703 .write_trailer = mov_write_trailer,
6705 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6706 .codec_tag = (const AVCodecTag* const []){ codec_mp4_tags, 0 },
6707 .check_bitstream = mov_check_bitstream,
6708 .priv_class = &mp4_muxer_class,
6711 #if CONFIG_PSP_MUXER
6713 AVOutputFormat ff_psp_muxer = {
6715 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
6716 .extensions = "mp4,psp",
6717 .priv_data_size = sizeof(MOVMuxContext),
6718 .audio_codec = AV_CODEC_ID_AAC,
6719 .video_codec = CONFIG_LIBX264_ENCODER ?
6720 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
6722 .write_header = mov_write_header,
6723 .write_packet = mov_write_packet,
6724 .write_trailer = mov_write_trailer,
6726 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6727 .codec_tag = (const AVCodecTag* const []){ codec_mp4_tags, 0 },
6728 .check_bitstream = mov_check_bitstream,
6729 .priv_class = &psp_muxer_class,
6732 #if CONFIG_TG2_MUXER
6734 AVOutputFormat ff_tg2_muxer = {
6736 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
6737 .extensions = "3g2",
6738 .priv_data_size = sizeof(MOVMuxContext),
6739 .audio_codec = AV_CODEC_ID_AMR_NB,
6740 .video_codec = AV_CODEC_ID_H263,
6742 .write_header = mov_write_header,
6743 .write_packet = mov_write_packet,
6744 .write_trailer = mov_write_trailer,
6746 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6747 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
6748 .check_bitstream = mov_check_bitstream,
6749 .priv_class = &tg2_muxer_class,
6752 #if CONFIG_IPOD_MUXER
6754 AVOutputFormat ff_ipod_muxer = {
6756 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
6757 .mime_type = "video/mp4",
6758 .extensions = "m4v,m4a,m4b",
6759 .priv_data_size = sizeof(MOVMuxContext),
6760 .audio_codec = AV_CODEC_ID_AAC,
6761 .video_codec = AV_CODEC_ID_H264,
6763 .write_header = mov_write_header,
6764 .write_packet = mov_write_packet,
6765 .write_trailer = mov_write_trailer,
6767 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6768 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
6769 .check_bitstream = mov_check_bitstream,
6770 .priv_class = &ipod_muxer_class,
6773 #if CONFIG_ISMV_MUXER
6775 AVOutputFormat ff_ismv_muxer = {
6777 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
6778 .mime_type = "video/mp4",
6779 .extensions = "ismv,isma",
6780 .priv_data_size = sizeof(MOVMuxContext),
6781 .audio_codec = AV_CODEC_ID_AAC,
6782 .video_codec = AV_CODEC_ID_H264,
6784 .write_header = mov_write_header,
6785 .write_packet = mov_write_packet,
6786 .write_trailer = mov_write_trailer,
6788 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6789 .codec_tag = (const AVCodecTag* const []){
6790 codec_mp4_tags, codec_ism_tags, 0 },
6791 .check_bitstream = mov_check_bitstream,
6792 .priv_class = &ismv_muxer_class,
6795 #if CONFIG_F4V_MUXER
6797 AVOutputFormat ff_f4v_muxer = {
6799 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
6800 .mime_type = "application/f4v",
6801 .extensions = "f4v",
6802 .priv_data_size = sizeof(MOVMuxContext),
6803 .audio_codec = AV_CODEC_ID_AAC,
6804 .video_codec = AV_CODEC_ID_H264,
6806 .write_header = mov_write_header,
6807 .write_packet = mov_write_packet,
6808 .write_trailer = mov_write_trailer,
6810 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
6811 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
6812 .check_bitstream = mov_check_bitstream,
6813 .priv_class = &f4v_muxer_class,