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 { "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" },
66 { "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" },
67 { "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" },
68 { "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" },
69 { "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" },
70 { "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" },
71 { "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" },
72 { "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" },
73 { "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" },
74 { "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" },
75 { "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" },
76 { "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" },
77 { "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" },
78 { "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" },
79 { "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" },
80 { "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" },
81 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
82 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
83 { "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},
84 { "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},
85 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
86 { "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},
87 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
88 { "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},
89 { "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},
90 { "brand", "Override major brand", offsetof(MOVMuxContext, major_brand), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
91 { "use_editlist", "use edit list", offsetof(MOVMuxContext, use_editlist), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
92 { "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},
93 { "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},
94 { "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 },
95 { "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 },
96 { "encryption_key", "The media encryption key (hex)", offsetof(MOVMuxContext, encryption_key), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_ENCODING_PARAM },
97 { "encryption_kid", "The media encryption key identifier (hex)", offsetof(MOVMuxContext, encryption_kid), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_ENCODING_PARAM },
98 { "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},
99 { "write_tmcd", "force or disable writing tmcd", offsetof(MOVMuxContext, write_tmcd), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
103 #define MOV_CLASS(flavor)\
104 static const AVClass flavor ## _muxer_class = {\
105 .class_name = #flavor " muxer",\
106 .item_name = av_default_item_name,\
108 .version = LIBAVUTIL_VERSION_INT,\
111 static int get_moov_size(AVFormatContext *s);
113 static int utf8len(const uint8_t *b)
118 GET_UTF8(val, *b++, return -1;)
124 //FIXME support 64 bit variant with wide placeholders
125 static int64_t update_size(AVIOContext *pb, int64_t pos)
127 int64_t curpos = avio_tell(pb);
128 avio_seek(pb, pos, SEEK_SET);
129 avio_wb32(pb, curpos - pos); /* rewrite size */
130 avio_seek(pb, curpos, SEEK_SET);
135 static int co64_required(const MOVTrack *track)
137 if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX)
142 /* Chunk offset atom */
143 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
146 int mode64 = co64_required(track); // use 32 bit size variant if possible
147 int64_t pos = avio_tell(pb);
148 avio_wb32(pb, 0); /* size */
150 ffio_wfourcc(pb, "co64");
152 ffio_wfourcc(pb, "stco");
153 avio_wb32(pb, 0); /* version & flags */
154 avio_wb32(pb, track->chunkCount); /* entry count */
155 for (i = 0; i < track->entry; i++) {
156 if (!track->cluster[i].chunkNum)
159 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
161 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
163 return update_size(pb, pos);
166 /* Sample size atom */
167 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
170 int i, j, entries = 0, tst = -1, oldtst = -1;
172 int64_t pos = avio_tell(pb);
173 avio_wb32(pb, 0); /* size */
174 ffio_wfourcc(pb, "stsz");
175 avio_wb32(pb, 0); /* version & flags */
177 for (i = 0; i < track->entry; i++) {
178 tst = track->cluster[i].size / track->cluster[i].entries;
179 if (oldtst != -1 && tst != oldtst)
182 entries += track->cluster[i].entries;
184 if (equalChunks && track->entry) {
185 int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0;
186 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
187 avio_wb32(pb, sSize); // sample size
188 avio_wb32(pb, entries); // sample count
190 avio_wb32(pb, 0); // sample size
191 avio_wb32(pb, entries); // sample count
192 for (i = 0; i < track->entry; i++) {
193 for (j = 0; j < track->cluster[i].entries; j++) {
194 avio_wb32(pb, track->cluster[i].size /
195 track->cluster[i].entries);
199 return update_size(pb, pos);
202 /* Sample to chunk atom */
203 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
205 int index = 0, oldval = -1, i;
206 int64_t entryPos, curpos;
208 int64_t pos = avio_tell(pb);
209 avio_wb32(pb, 0); /* size */
210 ffio_wfourcc(pb, "stsc");
211 avio_wb32(pb, 0); // version & flags
212 entryPos = avio_tell(pb);
213 avio_wb32(pb, track->chunkCount); // entry count
214 for (i = 0; i < track->entry; i++) {
215 if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum) {
216 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
217 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
218 avio_wb32(pb, 0x1); // sample description index
219 oldval = track->cluster[i].samples_in_chunk;
223 curpos = avio_tell(pb);
224 avio_seek(pb, entryPos, SEEK_SET);
225 avio_wb32(pb, index); // rewrite size
226 avio_seek(pb, curpos, SEEK_SET);
228 return update_size(pb, pos);
231 /* Sync sample atom */
232 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
234 int64_t curpos, entryPos;
236 int64_t pos = avio_tell(pb);
237 avio_wb32(pb, 0); // size
238 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
239 avio_wb32(pb, 0); // version & flags
240 entryPos = avio_tell(pb);
241 avio_wb32(pb, track->entry); // entry count
242 for (i = 0; i < track->entry; i++) {
243 if (track->cluster[i].flags & flag) {
244 avio_wb32(pb, i + 1);
248 curpos = avio_tell(pb);
249 avio_seek(pb, entryPos, SEEK_SET);
250 avio_wb32(pb, index); // rewrite size
251 avio_seek(pb, curpos, SEEK_SET);
252 return update_size(pb, pos);
255 /* Sample dependency atom */
256 static int mov_write_sdtp_tag(AVIOContext *pb, MOVTrack *track)
259 uint8_t leading, dependent, reference, redundancy;
260 int64_t pos = avio_tell(pb);
261 avio_wb32(pb, 0); // size
262 ffio_wfourcc(pb, "sdtp");
263 avio_wb32(pb, 0); // version & flags
264 for (i = 0; i < track->entry; i++) {
265 dependent = MOV_SAMPLE_DEPENDENCY_YES;
266 leading = reference = redundancy = MOV_SAMPLE_DEPENDENCY_UNKNOWN;
267 if (track->cluster[i].flags & MOV_DISPOSABLE_SAMPLE) {
268 reference = MOV_SAMPLE_DEPENDENCY_NO;
270 if (track->cluster[i].flags & MOV_SYNC_SAMPLE) {
271 dependent = MOV_SAMPLE_DEPENDENCY_NO;
273 avio_w8(pb, (leading << 6) | (dependent << 4) |
274 (reference << 2) | redundancy);
276 return update_size(pb, pos);
279 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
281 avio_wb32(pb, 0x11); /* size */
282 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
283 else ffio_wfourcc(pb, "damr");
284 ffio_wfourcc(pb, "FFMP");
285 avio_w8(pb, 0); /* decoder version */
287 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
288 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
289 avio_w8(pb, 0x01); /* Frames per sample */
293 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
298 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
300 if (track->vos_len < 7)
304 ffio_wfourcc(pb, "dac3");
306 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
307 fscod = get_bits(&gbc, 2);
308 frmsizecod = get_bits(&gbc, 6);
309 bsid = get_bits(&gbc, 5);
310 bsmod = get_bits(&gbc, 3);
311 acmod = get_bits(&gbc, 3);
313 skip_bits(&gbc, 2); // dsurmod
315 if ((acmod & 1) && acmod != 1)
316 skip_bits(&gbc, 2); // cmixlev
318 skip_bits(&gbc, 2); // surmixlev
320 lfeon = get_bits1(&gbc);
322 init_put_bits(&pbc, buf, sizeof(buf));
323 put_bits(&pbc, 2, fscod);
324 put_bits(&pbc, 5, bsid);
325 put_bits(&pbc, 3, bsmod);
326 put_bits(&pbc, 3, acmod);
327 put_bits(&pbc, 1, lfeon);
328 put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code
329 put_bits(&pbc, 5, 0); // reserved
331 flush_put_bits(&pbc);
332 avio_write(pb, buf, sizeof(buf));
342 /* Layout of the EC3SpecificBox */
343 /* maximum bitrate */
345 /* number of independent substreams */
348 /* sample rate code (see ff_ac3_sample_rate_tab) 2 bits */
350 /* bit stream identification 5 bits */
352 /* one bit reserved */
353 /* audio service mixing (not supported yet) 1 bit */
354 /* bit stream mode 3 bits */
356 /* audio coding mode 3 bits */
358 /* sub woofer on 1 bit */
360 /* 3 bits reserved */
361 /* number of dependent substreams associated with this substream 4 bits */
363 /* channel locations of the dependent substream(s), if any, 9 bits */
365 /* if there is no dependent substream, then one bit reserved instead */
366 } substream[1]; /* TODO: support 8 independent substreams */
369 #if CONFIG_AC3_PARSER
370 static int handle_eac3(MOVMuxContext *mov, AVPacket *pkt, MOVTrack *track)
372 AC3HeaderInfo *hdr = NULL;
373 struct eac3_info *info;
376 if (!track->eac3_priv && !(track->eac3_priv = av_mallocz(sizeof(*info))))
377 return AVERROR(ENOMEM);
378 info = track->eac3_priv;
380 if (avpriv_ac3_parse_header(&hdr, pkt->data, pkt->size) < 0) {
381 /* drop the packets until we see a good one */
383 av_log(mov, AV_LOG_WARNING, "Dropping invalid packet from start of the stream\n");
386 ret = AVERROR_INVALIDDATA;
390 info->data_rate = FFMAX(info->data_rate, hdr->bit_rate / 1000);
391 num_blocks = hdr->num_blocks;
393 if (!info->ec3_done) {
394 /* AC-3 substream must be the first one */
395 if (hdr->bitstream_id <= 10 && hdr->substreamid != 0) {
396 ret = AVERROR(EINVAL);
400 /* this should always be the case, given that our AC-3 parser
401 * concatenates dependent frames to their independent parent */
402 if (hdr->frame_type == EAC3_FRAME_TYPE_INDEPENDENT) {
403 /* substream ids must be incremental */
404 if (hdr->substreamid > info->num_ind_sub + 1) {
405 ret = AVERROR(EINVAL);
409 if (hdr->substreamid == info->num_ind_sub + 1) {
410 //info->num_ind_sub++;
411 avpriv_request_sample(track->par, "Multiple independent substreams");
412 ret = AVERROR_PATCHWELCOME;
414 } else if (hdr->substreamid < info->num_ind_sub ||
415 hdr->substreamid == 0 && info->substream[0].bsid) {
421 /* fill the info needed for the "dec3" atom */
422 info->substream[hdr->substreamid].fscod = hdr->sr_code;
423 info->substream[hdr->substreamid].bsid = hdr->bitstream_id;
424 info->substream[hdr->substreamid].bsmod = hdr->bitstream_mode;
425 info->substream[hdr->substreamid].acmod = hdr->channel_mode;
426 info->substream[hdr->substreamid].lfeon = hdr->lfe_on;
428 /* Parse dependent substream(s), if any */
429 if (pkt->size != hdr->frame_size) {
430 int cumul_size = hdr->frame_size;
431 int parent = hdr->substreamid;
433 while (cumul_size != pkt->size) {
436 ret = avpriv_ac3_parse_header(&hdr, pkt->data + cumul_size, pkt->size - cumul_size);
439 if (hdr->frame_type != EAC3_FRAME_TYPE_DEPENDENT) {
440 ret = AVERROR(EINVAL);
443 info->substream[parent].num_dep_sub++;
446 /* header is parsed up to lfeon, but custom channel map may be needed */
447 init_get_bits8(&gbc, pkt->data + cumul_size + ret, pkt->size - cumul_size - ret);
450 /* skip volume control params */
451 for (i = 0; i < (hdr->channel_mode ? 1 : 2); i++) {
452 skip_bits(&gbc, 5); // skip dialog normalization
453 if (get_bits1(&gbc)) {
454 skip_bits(&gbc, 8); // skip compression gain word
457 /* get the dependent stream channel map, if exists */
459 info->substream[parent].chan_loc |= (get_bits(&gbc, 16) >> 5) & 0x1f;
461 info->substream[parent].chan_loc |= hdr->channel_mode;
462 cumul_size += hdr->frame_size;
468 if (!info->num_blocks && num_blocks == 6) {
472 else if (info->num_blocks + num_blocks > 6) {
473 ret = AVERROR_INVALIDDATA;
477 if (!info->num_blocks) {
478 ret = av_packet_ref(&info->pkt, pkt);
480 info->num_blocks = num_blocks;
483 if ((ret = av_grow_packet(&info->pkt, pkt->size)) < 0)
485 memcpy(info->pkt.data + info->pkt.size - pkt->size, pkt->data, pkt->size);
486 info->num_blocks += num_blocks;
487 info->pkt.duration += pkt->duration;
488 if ((ret = av_copy_packet_side_data(&info->pkt, pkt)) < 0)
490 if (info->num_blocks != 6)
492 av_packet_unref(pkt);
493 ret = av_packet_ref(pkt, &info->pkt);
496 av_packet_unref(&info->pkt);
497 info->num_blocks = 0;
508 static int mov_write_eac3_tag(AVIOContext *pb, MOVTrack *track)
512 struct eac3_info *info;
515 if (!track->eac3_priv)
516 return AVERROR(EINVAL);
518 info = track->eac3_priv;
519 size = 2 + 4 * (info->num_ind_sub + 1);
520 buf = av_malloc(size);
522 size = AVERROR(ENOMEM);
526 init_put_bits(&pbc, buf, size);
527 put_bits(&pbc, 13, info->data_rate);
528 put_bits(&pbc, 3, info->num_ind_sub);
529 for (i = 0; i <= info->num_ind_sub; i++) {
530 put_bits(&pbc, 2, info->substream[i].fscod);
531 put_bits(&pbc, 5, info->substream[i].bsid);
532 put_bits(&pbc, 1, 0); /* reserved */
533 put_bits(&pbc, 1, 0); /* asvc */
534 put_bits(&pbc, 3, info->substream[i].bsmod);
535 put_bits(&pbc, 3, info->substream[i].acmod);
536 put_bits(&pbc, 1, info->substream[i].lfeon);
537 put_bits(&pbc, 5, 0); /* reserved */
538 put_bits(&pbc, 4, info->substream[i].num_dep_sub);
539 if (!info->substream[i].num_dep_sub) {
540 put_bits(&pbc, 1, 0); /* reserved */
543 put_bits(&pbc, 9, info->substream[i].chan_loc);
546 flush_put_bits(&pbc);
548 avio_wb32(pb, size + 8);
549 ffio_wfourcc(pb, "dec3");
550 avio_write(pb, buf, size);
555 av_packet_unref(&info->pkt);
556 av_freep(&track->eac3_priv);
562 * This function writes extradata "as is".
563 * Extradata must be formatted like a valid atom (with size and tag).
565 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
567 avio_write(pb, track->par->extradata, track->par->extradata_size);
568 return track->par->extradata_size;
571 static int mov_write_enda_tag(AVIOContext *pb)
574 ffio_wfourcc(pb, "enda");
575 avio_wb16(pb, 1); /* little endian */
579 static int mov_write_enda_tag_be(AVIOContext *pb)
582 ffio_wfourcc(pb, "enda");
583 avio_wb16(pb, 0); /* big endian */
587 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
592 avio_w8(pb, (size >> (7 * i)) | 0x80);
593 avio_w8(pb, size & 0x7F);
596 static unsigned compute_avg_bitrate(MOVTrack *track)
600 if (!track->track_duration)
602 for (i = 0; i < track->entry; i++)
603 size += track->cluster[i].size;
604 return size * 8 * track->timescale / track->track_duration;
607 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
609 AVCPBProperties *props;
610 int64_t pos = avio_tell(pb);
611 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
612 unsigned avg_bitrate;
614 avio_wb32(pb, 0); // size
615 ffio_wfourcc(pb, "esds");
616 avio_wb32(pb, 0); // Version
619 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
620 avio_wb16(pb, track->track_id);
621 avio_w8(pb, 0x00); // flags (= no flags)
623 // DecoderConfig descriptor
624 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
626 // Object type indication
627 if ((track->par->codec_id == AV_CODEC_ID_MP2 ||
628 track->par->codec_id == AV_CODEC_ID_MP3) &&
629 track->par->sample_rate > 24000)
630 avio_w8(pb, 0x6B); // 11172-3
632 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->par->codec_id));
634 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
635 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
636 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
637 avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
638 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
639 avio_w8(pb, 0x15); // flags (= Audiostream)
641 avio_w8(pb, 0x11); // flags (= Visualstream)
643 props = (AVCPBProperties*)av_stream_get_side_data(track->st, AV_PKT_DATA_CPB_PROPERTIES,
646 avio_wb24(pb, props ? props->buffer_size / 8 : 0); // Buffersize DB
648 avg_bitrate = compute_avg_bitrate(track);
649 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)
650 avio_wb32(pb, avg_bitrate);
652 if (track->vos_len) {
653 // DecoderSpecific info descriptor
654 put_descr(pb, 0x05, track->vos_len);
655 avio_write(pb, track->vos_data, track->vos_len);
659 put_descr(pb, 0x06, 1);
661 return update_size(pb, pos);
664 static int mov_pcm_le_gt16(enum AVCodecID codec_id)
666 return codec_id == AV_CODEC_ID_PCM_S24LE ||
667 codec_id == AV_CODEC_ID_PCM_S32LE ||
668 codec_id == AV_CODEC_ID_PCM_F32LE ||
669 codec_id == AV_CODEC_ID_PCM_F64LE;
672 static int mov_pcm_be_gt16(enum AVCodecID codec_id)
674 return codec_id == AV_CODEC_ID_PCM_S24BE ||
675 codec_id == AV_CODEC_ID_PCM_S32BE ||
676 codec_id == AV_CODEC_ID_PCM_F32BE ||
677 codec_id == AV_CODEC_ID_PCM_F64BE;
680 static int mov_write_ms_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
683 int64_t pos = avio_tell(pb);
685 avio_wl32(pb, track->tag); // store it byteswapped
686 track->par->codec_tag = av_bswap16(track->tag >> 16);
687 if ((ret = ff_put_wav_header(s, pb, track->par, 0)) < 0)
689 return update_size(pb, pos);
692 static int mov_write_wfex_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
695 int64_t pos = avio_tell(pb);
697 ffio_wfourcc(pb, "wfex");
698 if ((ret = ff_put_wav_header(s, pb, track->st->codecpar, FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX)) < 0)
700 return update_size(pb, pos);
703 static int mov_write_dfla_tag(AVIOContext *pb, MOVTrack *track)
705 int64_t pos = avio_tell(pb);
707 ffio_wfourcc(pb, "dfLa");
708 avio_w8(pb, 0); /* version */
709 avio_wb24(pb, 0); /* flags */
711 /* Expect the encoder to pass a METADATA_BLOCK_TYPE_STREAMINFO. */
712 if (track->par->extradata_size != FLAC_STREAMINFO_SIZE)
713 return AVERROR_INVALIDDATA;
715 /* TODO: Write other METADATA_BLOCK_TYPEs if the encoder makes them available. */
716 avio_w8(pb, 1 << 7 | FLAC_METADATA_TYPE_STREAMINFO); /* LastMetadataBlockFlag << 7 | BlockType */
717 avio_wb24(pb, track->par->extradata_size); /* Length */
718 avio_write(pb, track->par->extradata, track->par->extradata_size); /* BlockData[Length] */
720 return update_size(pb, pos);
723 static int mov_write_dops_tag(AVIOContext *pb, MOVTrack *track)
725 int64_t pos = avio_tell(pb);
727 ffio_wfourcc(pb, "dOps");
728 avio_w8(pb, 0); /* Version */
729 if (track->par->extradata_size < 19) {
730 av_log(pb, AV_LOG_ERROR, "invalid extradata size\n");
731 return AVERROR_INVALIDDATA;
733 /* extradata contains an Ogg OpusHead, other than byte-ordering and
734 OpusHead's preceeding magic/version, OpusSpecificBox is currently
736 avio_w8(pb, AV_RB8(track->par->extradata + 9)); /* OuputChannelCount */
737 avio_wb16(pb, AV_RL16(track->par->extradata + 10)); /* PreSkip */
738 avio_wb32(pb, AV_RL32(track->par->extradata + 12)); /* InputSampleRate */
739 avio_wb16(pb, AV_RL16(track->par->extradata + 16)); /* OutputGain */
740 /* Write the rest of the header out without byte-swapping. */
741 avio_write(pb, track->par->extradata + 18, track->par->extradata_size - 18);
743 return update_size(pb, pos);
746 static int mov_write_chan_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
748 uint32_t layout_tag, bitmap;
749 int64_t pos = avio_tell(pb);
751 layout_tag = ff_mov_get_channel_layout_tag(track->par->codec_id,
752 track->par->channel_layout,
755 av_log(s, AV_LOG_WARNING, "not writing 'chan' tag due to "
756 "lack of channel information\n");
760 if (track->multichannel_as_mono)
763 avio_wb32(pb, 0); // Size
764 ffio_wfourcc(pb, "chan"); // Type
765 avio_w8(pb, 0); // Version
766 avio_wb24(pb, 0); // Flags
767 avio_wb32(pb, layout_tag); // mChannelLayoutTag
768 avio_wb32(pb, bitmap); // mChannelBitmap
769 avio_wb32(pb, 0); // mNumberChannelDescriptions
771 return update_size(pb, pos);
774 static int mov_write_wave_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
776 int64_t pos = avio_tell(pb);
778 avio_wb32(pb, 0); /* size */
779 ffio_wfourcc(pb, "wave");
781 if (track->par->codec_id != AV_CODEC_ID_QDM2) {
782 avio_wb32(pb, 12); /* size */
783 ffio_wfourcc(pb, "frma");
784 avio_wl32(pb, track->tag);
787 if (track->par->codec_id == AV_CODEC_ID_AAC) {
788 /* useless atom needed by mplayer, ipod, not needed by quicktime */
789 avio_wb32(pb, 12); /* size */
790 ffio_wfourcc(pb, "mp4a");
792 mov_write_esds_tag(pb, track);
793 } else if (mov_pcm_le_gt16(track->par->codec_id)) {
794 mov_write_enda_tag(pb);
795 } else if (mov_pcm_be_gt16(track->par->codec_id)) {
796 mov_write_enda_tag_be(pb);
797 } else if (track->par->codec_id == AV_CODEC_ID_AMR_NB) {
798 mov_write_amr_tag(pb, track);
799 } else if (track->par->codec_id == AV_CODEC_ID_AC3) {
800 mov_write_ac3_tag(pb, track);
801 } else if (track->par->codec_id == AV_CODEC_ID_EAC3) {
802 mov_write_eac3_tag(pb, track);
803 } else if (track->par->codec_id == AV_CODEC_ID_ALAC ||
804 track->par->codec_id == AV_CODEC_ID_QDM2) {
805 mov_write_extradata_tag(pb, track);
806 } else if (track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
807 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
808 mov_write_ms_tag(s, pb, track);
811 avio_wb32(pb, 8); /* size */
812 avio_wb32(pb, 0); /* null tag */
814 return update_size(pb, pos);
817 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
820 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
821 int unescaped_size, seq_found = 0;
822 int level = 0, interlace = 0;
823 int packet_seq = track->vc1_info.packet_seq;
824 int packet_entry = track->vc1_info.packet_entry;
825 int slices = track->vc1_info.slices;
828 if (track->start_dts == AV_NOPTS_VALUE) {
829 /* No packets written yet, vc1_info isn't authoritative yet. */
830 /* Assume inline sequence and entry headers. */
831 packet_seq = packet_entry = 1;
832 av_log(NULL, AV_LOG_WARNING,
833 "moov atom written before any packets, unable to write correct "
834 "dvc1 atom. Set the delay_moov flag to fix this.\n");
837 unescaped = av_mallocz(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
839 return AVERROR(ENOMEM);
840 start = find_next_marker(track->vos_data, end);
841 for (next = start; next < end; start = next) {
844 next = find_next_marker(start + 4, end);
845 size = next - start - 4;
848 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
849 init_get_bits(&gb, unescaped, 8 * unescaped_size);
850 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
851 int profile = get_bits(&gb, 2);
852 if (profile != PROFILE_ADVANCED) {
854 return AVERROR(ENOSYS);
857 level = get_bits(&gb, 3);
858 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
860 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
861 skip_bits(&gb, 1); /* broadcast */
862 interlace = get_bits1(&gb);
863 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
868 return AVERROR(ENOSYS);
871 init_put_bits(&pbc, buf, 7);
872 /* VC1DecSpecStruc */
873 put_bits(&pbc, 4, 12); /* profile - advanced */
874 put_bits(&pbc, 3, level);
875 put_bits(&pbc, 1, 0); /* reserved */
876 /* VC1AdvDecSpecStruc */
877 put_bits(&pbc, 3, level);
878 put_bits(&pbc, 1, 0); /* cbr */
879 put_bits(&pbc, 6, 0); /* reserved */
880 put_bits(&pbc, 1, !interlace); /* no interlace */
881 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
882 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
883 put_bits(&pbc, 1, !slices); /* no slice code */
884 put_bits(&pbc, 1, 0); /* no bframe */
885 put_bits(&pbc, 1, 0); /* reserved */
888 if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0)
889 put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den);
891 put_bits32(&pbc, 0xffffffff);
893 flush_put_bits(&pbc);
900 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
902 uint8_t buf[7] = { 0 };
905 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
908 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
909 ffio_wfourcc(pb, "dvc1");
910 avio_write(pb, buf, sizeof(buf));
911 avio_write(pb, track->vos_data, track->vos_len);
916 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
918 avio_wb32(pb, track->vos_len + 8);
919 ffio_wfourcc(pb, "glbl");
920 avio_write(pb, track->vos_data, track->vos_len);
921 return 8 + track->vos_len;
925 * Compute flags for 'lpcm' tag.
926 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
928 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
931 case AV_CODEC_ID_PCM_F32BE:
932 case AV_CODEC_ID_PCM_F64BE:
934 case AV_CODEC_ID_PCM_F32LE:
935 case AV_CODEC_ID_PCM_F64LE:
937 case AV_CODEC_ID_PCM_U8:
939 case AV_CODEC_ID_PCM_S16BE:
940 case AV_CODEC_ID_PCM_S24BE:
941 case AV_CODEC_ID_PCM_S32BE:
943 case AV_CODEC_ID_PCM_S8:
944 case AV_CODEC_ID_PCM_S16LE:
945 case AV_CODEC_ID_PCM_S24LE:
946 case AV_CODEC_ID_PCM_S32LE:
953 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
957 if (cluster_idx >= track->entry)
960 if (cluster_idx + 1 == track->entry)
961 next_dts = track->track_duration + track->start_dts;
963 next_dts = track->cluster[cluster_idx + 1].dts;
965 next_dts -= track->cluster[cluster_idx].dts;
967 av_assert0(next_dts >= 0);
968 av_assert0(next_dts <= INT_MAX);
973 static int get_samples_per_packet(MOVTrack *track)
975 int i, first_duration;
977 // return track->par->frame_size;
979 /* use 1 for raw PCM */
980 if (!track->audio_vbr)
983 /* check to see if duration is constant for all clusters */
986 first_duration = get_cluster_duration(track, 0);
987 for (i = 1; i < track->entry; i++) {
988 if (get_cluster_duration(track, i) != first_duration)
991 return first_duration;
994 static int mov_write_audio_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
996 int64_t pos = avio_tell(pb);
998 uint32_t tag = track->tag;
1000 if (track->mode == MODE_MOV) {
1001 if (track->timescale > UINT16_MAX) {
1002 if (mov_get_lpcm_flags(track->par->codec_id))
1003 tag = AV_RL32("lpcm");
1005 } else if (track->audio_vbr || mov_pcm_le_gt16(track->par->codec_id) ||
1006 mov_pcm_be_gt16(track->par->codec_id) ||
1007 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
1008 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
1009 track->par->codec_id == AV_CODEC_ID_QDM2) {
1014 avio_wb32(pb, 0); /* size */
1015 if (mov->encryption_scheme != MOV_ENC_NONE) {
1016 ffio_wfourcc(pb, "enca");
1018 avio_wl32(pb, tag); // store it byteswapped
1020 avio_wb32(pb, 0); /* Reserved */
1021 avio_wb16(pb, 0); /* Reserved */
1022 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
1024 /* SoundDescription */
1025 avio_wb16(pb, version); /* Version */
1026 avio_wb16(pb, 0); /* Revision level */
1027 avio_wb32(pb, 0); /* Reserved */
1032 avio_wb16(pb, 0xfffe);
1034 avio_wb32(pb, 0x00010000);
1036 avio_wb64(pb, av_double2int(track->par->sample_rate));
1037 avio_wb32(pb, track->par->channels);
1038 avio_wb32(pb, 0x7F000000);
1039 avio_wb32(pb, av_get_bits_per_sample(track->par->codec_id));
1040 avio_wb32(pb, mov_get_lpcm_flags(track->par->codec_id));
1041 avio_wb32(pb, track->sample_size);
1042 avio_wb32(pb, get_samples_per_packet(track));
1044 if (track->mode == MODE_MOV) {
1045 avio_wb16(pb, track->par->channels);
1046 if (track->par->codec_id == AV_CODEC_ID_PCM_U8 ||
1047 track->par->codec_id == AV_CODEC_ID_PCM_S8)
1048 avio_wb16(pb, 8); /* bits per sample */
1049 else if (track->par->codec_id == AV_CODEC_ID_ADPCM_G726)
1050 avio_wb16(pb, track->par->bits_per_coded_sample);
1053 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
1054 } else { /* reserved for mp4/3gp */
1055 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
1056 track->par->codec_id == AV_CODEC_ID_OPUS) {
1057 avio_wb16(pb, track->par->channels);
1061 if (track->par->codec_id == AV_CODEC_ID_FLAC) {
1062 avio_wb16(pb, track->par->bits_per_raw_sample);
1069 avio_wb16(pb, 0); /* packet size (= 0) */
1070 if (track->par->codec_id == AV_CODEC_ID_OPUS)
1071 avio_wb16(pb, 48000);
1073 avio_wb16(pb, track->par->sample_rate <= UINT16_MAX ?
1074 track->par->sample_rate : 0);
1075 avio_wb16(pb, 0); /* Reserved */
1078 if (version == 1) { /* SoundDescription V1 extended info */
1079 if (mov_pcm_le_gt16(track->par->codec_id) ||
1080 mov_pcm_be_gt16(track->par->codec_id))
1081 avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
1083 avio_wb32(pb, track->par->frame_size); /* Samples per packet */
1084 avio_wb32(pb, track->sample_size / track->par->channels); /* Bytes per packet */
1085 avio_wb32(pb, track->sample_size); /* Bytes per frame */
1086 avio_wb32(pb, 2); /* Bytes per sample */
1089 if (track->mode == MODE_MOV &&
1090 (track->par->codec_id == AV_CODEC_ID_AAC ||
1091 track->par->codec_id == AV_CODEC_ID_AC3 ||
1092 track->par->codec_id == AV_CODEC_ID_EAC3 ||
1093 track->par->codec_id == AV_CODEC_ID_AMR_NB ||
1094 track->par->codec_id == AV_CODEC_ID_ALAC ||
1095 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
1096 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
1097 track->par->codec_id == AV_CODEC_ID_QDM2 ||
1098 (mov_pcm_le_gt16(track->par->codec_id) && version==1) ||
1099 (mov_pcm_be_gt16(track->par->codec_id) && version==1)))
1100 mov_write_wave_tag(s, pb, track);
1101 else if (track->tag == MKTAG('m','p','4','a'))
1102 mov_write_esds_tag(pb, track);
1103 else if (track->par->codec_id == AV_CODEC_ID_AMR_NB)
1104 mov_write_amr_tag(pb, track);
1105 else if (track->par->codec_id == AV_CODEC_ID_AC3)
1106 mov_write_ac3_tag(pb, track);
1107 else if (track->par->codec_id == AV_CODEC_ID_EAC3)
1108 mov_write_eac3_tag(pb, track);
1109 else if (track->par->codec_id == AV_CODEC_ID_ALAC)
1110 mov_write_extradata_tag(pb, track);
1111 else if (track->par->codec_id == AV_CODEC_ID_WMAPRO)
1112 mov_write_wfex_tag(s, pb, track);
1113 else if (track->par->codec_id == AV_CODEC_ID_FLAC)
1114 mov_write_dfla_tag(pb, track);
1115 else if (track->par->codec_id == AV_CODEC_ID_OPUS)
1116 mov_write_dops_tag(pb, track);
1117 else if (track->vos_len > 0)
1118 mov_write_glbl_tag(pb, track);
1120 if (track->mode == MODE_MOV && track->par->codec_type == AVMEDIA_TYPE_AUDIO)
1121 mov_write_chan_tag(s, pb, track);
1123 if (mov->encryption_scheme != MOV_ENC_NONE) {
1124 ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid);
1127 return update_size(pb, pos);
1130 static int mov_write_d263_tag(AVIOContext *pb)
1132 avio_wb32(pb, 0xf); /* size */
1133 ffio_wfourcc(pb, "d263");
1134 ffio_wfourcc(pb, "FFMP");
1135 avio_w8(pb, 0); /* decoder version */
1136 /* FIXME use AVCodecContext level/profile, when encoder will set values */
1137 avio_w8(pb, 0xa); /* level */
1138 avio_w8(pb, 0); /* profile */
1142 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
1144 int64_t pos = avio_tell(pb);
1147 ffio_wfourcc(pb, "avcC");
1148 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
1149 return update_size(pb, pos);
1152 static int mov_write_vpcc_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
1154 int64_t pos = avio_tell(pb);
1157 ffio_wfourcc(pb, "vpcC");
1158 avio_w8(pb, 1); /* version */
1159 avio_wb24(pb, 0); /* flags */
1160 ff_isom_write_vpcc(s, pb, track->par);
1161 return update_size(pb, pos);
1164 static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
1166 int64_t pos = avio_tell(pb);
1169 ffio_wfourcc(pb, "hvcC");
1170 if (track->tag == MKTAG('h','v','c','1'))
1171 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 1);
1173 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
1174 return update_size(pb, pos);
1177 /* also used by all avid codecs (dv, imx, meridien) and their variants */
1178 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
1183 int display_width = track->par->width;
1185 if (track->vos_data && track->vos_len > 0x29) {
1186 if (ff_dnxhd_parse_header_prefix(track->vos_data) != 0) {
1187 /* looks like a DNxHD bit stream */
1188 interlaced = (track->vos_data[5] & 2);
1189 cid = AV_RB32(track->vos_data + 0x28);
1191 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream in vos_data\n");
1195 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream, vos_data too small\n");
1199 avio_wb32(pb, 24); /* size */
1200 ffio_wfourcc(pb, "ACLR");
1201 ffio_wfourcc(pb, "ACLR");
1202 ffio_wfourcc(pb, "0001");
1203 if (track->par->color_range == AVCOL_RANGE_MPEG || /* Legal range (16-235) */
1204 track->par->color_range == AVCOL_RANGE_UNSPECIFIED) {
1205 avio_wb32(pb, 1); /* Corresponds to 709 in official encoder */
1206 } else { /* Full range (0-255) */
1207 avio_wb32(pb, 2); /* Corresponds to RGB in official encoder */
1209 avio_wb32(pb, 0); /* unknown */
1211 if (track->tag == MKTAG('A','V','d','h')) {
1213 ffio_wfourcc(pb, "ADHR");
1214 ffio_wfourcc(pb, "0001");
1216 avio_wb32(pb, 0); /* unknown */
1217 avio_wb32(pb, 1); /* unknown */
1218 avio_wb32(pb, 0); /* unknown */
1219 avio_wb32(pb, 0); /* unknown */
1223 avio_wb32(pb, 24); /* size */
1224 ffio_wfourcc(pb, "APRG");
1225 ffio_wfourcc(pb, "APRG");
1226 ffio_wfourcc(pb, "0001");
1227 avio_wb32(pb, 1); /* unknown */
1228 avio_wb32(pb, 0); /* unknown */
1230 avio_wb32(pb, 120); /* size */
1231 ffio_wfourcc(pb, "ARES");
1232 ffio_wfourcc(pb, "ARES");
1233 ffio_wfourcc(pb, "0001");
1234 avio_wb32(pb, cid); /* dnxhd cid, some id ? */
1235 if ( track->par->sample_aspect_ratio.num > 0
1236 && track->par->sample_aspect_ratio.den > 0)
1237 display_width = display_width * track->par->sample_aspect_ratio.num / track->par->sample_aspect_ratio.den;
1238 avio_wb32(pb, display_width);
1239 /* values below are based on samples created with quicktime and avid codecs */
1241 avio_wb32(pb, track->par->height / 2);
1242 avio_wb32(pb, 2); /* unknown */
1243 avio_wb32(pb, 0); /* unknown */
1244 avio_wb32(pb, 4); /* unknown */
1246 avio_wb32(pb, track->par->height);
1247 avio_wb32(pb, 1); /* unknown */
1248 avio_wb32(pb, 0); /* unknown */
1249 if (track->par->height == 1080)
1250 avio_wb32(pb, 5); /* unknown */
1252 avio_wb32(pb, 6); /* unknown */
1255 for (i = 0; i < 10; i++)
1261 static int mov_write_dpxe_tag(AVIOContext *pb, MOVTrack *track)
1264 ffio_wfourcc(pb, "DpxE");
1265 if (track->par->extradata_size >= 12 &&
1266 !memcmp(&track->par->extradata[4], "DpxE", 4)) {
1267 avio_wb32(pb, track->par->extradata[11]);
1274 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
1278 if (track->par->width == 720) { /* SD */
1279 if (track->par->height == 480) { /* NTSC */
1280 if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
1281 else tag = MKTAG('d','v','c',' ');
1282 }else if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
1283 else if (track->par->format == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
1284 else tag = MKTAG('d','v','p','p');
1285 } else if (track->par->height == 720) { /* HD 720 line */
1286 if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q');
1287 else tag = MKTAG('d','v','h','p');
1288 } else if (track->par->height == 1080) { /* HD 1080 line */
1289 if (track->st->time_base.den == 25) tag = MKTAG('d','v','h','5');
1290 else tag = MKTAG('d','v','h','6');
1292 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
1299 static AVRational find_fps(AVFormatContext *s, AVStream *st)
1301 AVRational rate = st->avg_frame_rate;
1303 #if FF_API_LAVF_AVCTX
1304 FF_DISABLE_DEPRECATION_WARNINGS
1305 rate = av_inv_q(st->codec->time_base);
1306 if (av_timecode_check_frame_rate(rate) < 0) {
1307 av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
1308 rate.num, rate.den, st->avg_frame_rate.num, st->avg_frame_rate.den);
1309 rate = st->avg_frame_rate;
1311 FF_ENABLE_DEPRECATION_WARNINGS
1317 static int defined_frame_rate(AVFormatContext *s, AVStream *st)
1319 AVRational rational_framerate = find_fps(s, st);
1321 if (rational_framerate.den != 0)
1322 rate = av_q2d(rational_framerate);
1326 static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext *s, MOVTrack *track)
1328 int tag = track->par->codec_tag;
1329 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1330 AVStream *st = track->st;
1331 int rate = defined_frame_rate(s, st);
1334 tag = MKTAG('m', '2', 'v', '1'); //fallback tag
1336 if (track->par->format == AV_PIX_FMT_YUV420P) {
1337 if (track->par->width == 1280 && track->par->height == 720) {
1339 if (rate == 24) tag = MKTAG('x','d','v','4');
1340 else if (rate == 25) tag = MKTAG('x','d','v','5');
1341 else if (rate == 30) tag = MKTAG('x','d','v','1');
1342 else if (rate == 50) tag = MKTAG('x','d','v','a');
1343 else if (rate == 60) tag = MKTAG('x','d','v','9');
1345 } else if (track->par->width == 1440 && track->par->height == 1080) {
1347 if (rate == 24) tag = MKTAG('x','d','v','6');
1348 else if (rate == 25) tag = MKTAG('x','d','v','7');
1349 else if (rate == 30) tag = MKTAG('x','d','v','8');
1351 if (rate == 25) tag = MKTAG('x','d','v','3');
1352 else if (rate == 30) tag = MKTAG('x','d','v','2');
1354 } else if (track->par->width == 1920 && track->par->height == 1080) {
1356 if (rate == 24) tag = MKTAG('x','d','v','d');
1357 else if (rate == 25) tag = MKTAG('x','d','v','e');
1358 else if (rate == 30) tag = MKTAG('x','d','v','f');
1360 if (rate == 25) tag = MKTAG('x','d','v','c');
1361 else if (rate == 30) tag = MKTAG('x','d','v','b');
1364 } else if (track->par->format == AV_PIX_FMT_YUV422P) {
1365 if (track->par->width == 1280 && track->par->height == 720) {
1367 if (rate == 24) tag = MKTAG('x','d','5','4');
1368 else if (rate == 25) tag = MKTAG('x','d','5','5');
1369 else if (rate == 30) tag = MKTAG('x','d','5','1');
1370 else if (rate == 50) tag = MKTAG('x','d','5','a');
1371 else if (rate == 60) tag = MKTAG('x','d','5','9');
1373 } else if (track->par->width == 1920 && track->par->height == 1080) {
1375 if (rate == 24) tag = MKTAG('x','d','5','d');
1376 else if (rate == 25) tag = MKTAG('x','d','5','e');
1377 else if (rate == 30) tag = MKTAG('x','d','5','f');
1379 if (rate == 25) tag = MKTAG('x','d','5','c');
1380 else if (rate == 30) tag = MKTAG('x','d','5','b');
1388 static int mov_get_h264_codec_tag(AVFormatContext *s, MOVTrack *track)
1390 int tag = track->par->codec_tag;
1391 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1392 AVStream *st = track->st;
1393 int rate = defined_frame_rate(s, st);
1396 tag = MKTAG('a', 'v', 'c', 'i'); //fallback tag
1398 if (track->par->format == AV_PIX_FMT_YUV420P10) {
1399 if (track->par->width == 960 && track->par->height == 720) {
1401 if (rate == 24) tag = MKTAG('a','i','5','p');
1402 else if (rate == 25) tag = MKTAG('a','i','5','q');
1403 else if (rate == 30) tag = MKTAG('a','i','5','p');
1404 else if (rate == 50) tag = MKTAG('a','i','5','q');
1405 else if (rate == 60) tag = MKTAG('a','i','5','p');
1407 } else if (track->par->width == 1440 && track->par->height == 1080) {
1409 if (rate == 24) tag = MKTAG('a','i','5','3');
1410 else if (rate == 25) tag = MKTAG('a','i','5','2');
1411 else if (rate == 30) tag = MKTAG('a','i','5','3');
1413 if (rate == 50) tag = MKTAG('a','i','5','5');
1414 else if (rate == 60) tag = MKTAG('a','i','5','6');
1417 } else if (track->par->format == AV_PIX_FMT_YUV422P10) {
1418 if (track->par->width == 1280 && track->par->height == 720) {
1420 if (rate == 24) tag = MKTAG('a','i','1','p');
1421 else if (rate == 25) tag = MKTAG('a','i','1','q');
1422 else if (rate == 30) tag = MKTAG('a','i','1','p');
1423 else if (rate == 50) tag = MKTAG('a','i','1','q');
1424 else if (rate == 60) tag = MKTAG('a','i','1','p');
1426 } else if (track->par->width == 1920 && track->par->height == 1080) {
1428 if (rate == 24) tag = MKTAG('a','i','1','3');
1429 else if (rate == 25) tag = MKTAG('a','i','1','2');
1430 else if (rate == 30) tag = MKTAG('a','i','1','3');
1432 if (rate == 25) tag = MKTAG('a','i','1','5');
1433 else if (rate == 50) tag = MKTAG('a','i','1','5');
1434 else if (rate == 60) tag = MKTAG('a','i','1','6');
1436 } else if ( track->par->width == 4096 && track->par->height == 2160
1437 || track->par->width == 3840 && track->par->height == 2160
1438 || track->par->width == 2048 && track->par->height == 1080) {
1439 tag = MKTAG('a','i','v','x');
1446 static const struct {
1447 enum AVPixelFormat pix_fmt;
1450 } mov_pix_fmt_tags[] = {
1451 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
1452 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
1453 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
1454 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
1455 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
1456 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
1457 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
1458 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
1459 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
1460 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
1461 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
1462 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
1463 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
1464 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
1465 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
1468 static int mov_get_dnxhd_codec_tag(AVFormatContext *s, MOVTrack *track)
1470 int tag = MKTAG('A','V','d','n');
1471 if (track->par->profile != FF_PROFILE_UNKNOWN &&
1472 track->par->profile != FF_PROFILE_DNXHD)
1473 tag = MKTAG('A','V','d','h');
1477 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
1479 int tag = track->par->codec_tag;
1481 enum AVPixelFormat pix_fmt;
1483 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
1484 if (track->par->format == mov_pix_fmt_tags[i].pix_fmt) {
1485 tag = mov_pix_fmt_tags[i].tag;
1486 track->par->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
1487 if (track->par->codec_tag == mov_pix_fmt_tags[i].tag)
1492 pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_mov,
1493 track->par->bits_per_coded_sample);
1494 if (tag == MKTAG('r','a','w',' ') &&
1495 track->par->format != pix_fmt &&
1496 track->par->format != AV_PIX_FMT_GRAY8 &&
1497 track->par->format != AV_PIX_FMT_NONE)
1498 av_log(s, AV_LOG_ERROR, "%s rawvideo cannot be written to mov, output file will be unreadable\n",
1499 av_get_pix_fmt_name(track->par->format));
1503 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1505 int tag = track->par->codec_tag;
1507 if (!tag || (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
1508 (track->par->codec_id == AV_CODEC_ID_DVVIDEO ||
1509 track->par->codec_id == AV_CODEC_ID_RAWVIDEO ||
1510 track->par->codec_id == AV_CODEC_ID_H263 ||
1511 track->par->codec_id == AV_CODEC_ID_H264 ||
1512 track->par->codec_id == AV_CODEC_ID_DNXHD ||
1513 track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
1514 av_get_bits_per_sample(track->par->codec_id)))) { // pcm audio
1515 if (track->par->codec_id == AV_CODEC_ID_DVVIDEO)
1516 tag = mov_get_dv_codec_tag(s, track);
1517 else if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO)
1518 tag = mov_get_rawvideo_codec_tag(s, track);
1519 else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO)
1520 tag = mov_get_mpeg2_xdcam_codec_tag(s, track);
1521 else if (track->par->codec_id == AV_CODEC_ID_H264)
1522 tag = mov_get_h264_codec_tag(s, track);
1523 else if (track->par->codec_id == AV_CODEC_ID_DNXHD)
1524 tag = mov_get_dnxhd_codec_tag(s, track);
1525 else if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
1526 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->par->codec_id);
1527 if (!tag) { // if no mac fcc found, try with Microsoft tags
1528 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->par->codec_id);
1530 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
1531 "the file may be unplayable!\n");
1533 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
1534 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->par->codec_id);
1535 if (!tag) { // if no mac fcc found, try with Microsoft tags
1536 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->par->codec_id);
1538 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
1539 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
1540 "the file may be unplayable!\n");
1543 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
1544 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->par->codec_id);
1550 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
1554 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
1555 tag = track->par->codec_tag;
1556 else if (track->mode == MODE_ISM)
1557 tag = track->par->codec_tag;
1558 else if (track->mode == MODE_IPOD) {
1559 if (!av_match_ext(s->url, "m4a") &&
1560 !av_match_ext(s->url, "m4v") &&
1561 !av_match_ext(s->url, "m4b"))
1562 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
1563 "Quicktime/Ipod might not play the file\n");
1564 tag = track->par->codec_tag;
1565 } else if (track->mode & MODE_3GP)
1566 tag = track->par->codec_tag;
1567 else if (track->mode == MODE_F4V)
1568 tag = track->par->codec_tag;
1570 tag = mov_get_codec_tag(s, track);
1575 /** Write uuid atom.
1576 * Needed to make file play in iPods running newest firmware
1577 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1579 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1582 ffio_wfourcc(pb, "uuid");
1583 avio_wb32(pb, 0x6b6840f2);
1584 avio_wb32(pb, 0x5f244fc5);
1585 avio_wb32(pb, 0xba39a51b);
1586 avio_wb32(pb, 0xcf0323f3);
1591 static const uint16_t fiel_data[] = {
1592 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1595 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track, int field_order)
1597 unsigned mov_field_order = 0;
1598 if (field_order < FF_ARRAY_ELEMS(fiel_data))
1599 mov_field_order = fiel_data[field_order];
1603 ffio_wfourcc(pb, "fiel");
1604 avio_wb16(pb, mov_field_order);
1608 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1610 int64_t pos = avio_tell(pb);
1611 avio_wb32(pb, 0); /* size */
1612 avio_wl32(pb, track->tag); // store it byteswapped
1613 avio_wb32(pb, 0); /* Reserved */
1614 avio_wb16(pb, 0); /* Reserved */
1615 avio_wb16(pb, 1); /* Data-reference index */
1617 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
1618 mov_write_esds_tag(pb, track);
1619 else if (track->par->extradata_size)
1620 avio_write(pb, track->par->extradata, track->par->extradata_size);
1622 return update_size(pb, pos);
1625 static int mov_write_st3d_tag(AVIOContext *pb, AVStereo3D *stereo_3d)
1629 if (stereo_3d->flags != 0) {
1630 av_log(pb, AV_LOG_WARNING, "Unsupported stereo_3d flags %x. st3d not written.\n", stereo_3d->flags);
1634 switch (stereo_3d->type) {
1635 case AV_STEREO3D_2D:
1638 case AV_STEREO3D_TOPBOTTOM:
1641 case AV_STEREO3D_SIDEBYSIDE:
1645 av_log(pb, AV_LOG_WARNING, "Unsupported stereo_3d type %s. st3d not written.\n", av_stereo3d_type_name(stereo_3d->type));
1648 avio_wb32(pb, 13); /* size */
1649 ffio_wfourcc(pb, "st3d");
1650 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1651 avio_w8(pb, stereo_mode);
1655 static int mov_write_sv3d_tag(AVFormatContext *s, AVIOContext *pb, AVSphericalMapping *spherical_mapping)
1657 int64_t sv3d_pos, svhd_pos, proj_pos;
1658 const char* metadata_source = s->flags & AVFMT_FLAG_BITEXACT ? "Lavf" : LIBAVFORMAT_IDENT;
1660 if (spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR &&
1661 spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR_TILE &&
1662 spherical_mapping->projection != AV_SPHERICAL_CUBEMAP) {
1663 av_log(pb, AV_LOG_WARNING, "Unsupported projection %d. sv3d not written.\n", spherical_mapping->projection);
1667 sv3d_pos = avio_tell(pb);
1668 avio_wb32(pb, 0); /* size */
1669 ffio_wfourcc(pb, "sv3d");
1671 svhd_pos = avio_tell(pb);
1672 avio_wb32(pb, 0); /* size */
1673 ffio_wfourcc(pb, "svhd");
1674 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1675 avio_put_str(pb, metadata_source);
1676 update_size(pb, svhd_pos);
1678 proj_pos = avio_tell(pb);
1679 avio_wb32(pb, 0); /* size */
1680 ffio_wfourcc(pb, "proj");
1682 avio_wb32(pb, 24); /* size */
1683 ffio_wfourcc(pb, "prhd");
1684 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1685 avio_wb32(pb, spherical_mapping->yaw);
1686 avio_wb32(pb, spherical_mapping->pitch);
1687 avio_wb32(pb, spherical_mapping->roll);
1689 switch (spherical_mapping->projection) {
1690 case AV_SPHERICAL_EQUIRECTANGULAR:
1691 case AV_SPHERICAL_EQUIRECTANGULAR_TILE:
1692 avio_wb32(pb, 28); /* size */
1693 ffio_wfourcc(pb, "equi");
1694 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1695 avio_wb32(pb, spherical_mapping->bound_top);
1696 avio_wb32(pb, spherical_mapping->bound_bottom);
1697 avio_wb32(pb, spherical_mapping->bound_left);
1698 avio_wb32(pb, spherical_mapping->bound_right);
1700 case AV_SPHERICAL_CUBEMAP:
1701 avio_wb32(pb, 20); /* size */
1702 ffio_wfourcc(pb, "cbmp");
1703 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1704 avio_wb32(pb, 0); /* layout */
1705 avio_wb32(pb, spherical_mapping->padding); /* padding */
1708 update_size(pb, proj_pos);
1710 return update_size(pb, sv3d_pos);
1713 static int mov_write_clap_tag(AVIOContext *pb, MOVTrack *track)
1716 ffio_wfourcc(pb, "clap");
1717 avio_wb32(pb, track->par->width); /* apertureWidth_N */
1718 avio_wb32(pb, 1); /* apertureWidth_D (= 1) */
1719 avio_wb32(pb, track->height); /* apertureHeight_N */
1720 avio_wb32(pb, 1); /* apertureHeight_D (= 1) */
1721 avio_wb32(pb, 0); /* horizOff_N (= 0) */
1722 avio_wb32(pb, 1); /* horizOff_D (= 1) */
1723 avio_wb32(pb, 0); /* vertOff_N (= 0) */
1724 avio_wb32(pb, 1); /* vertOff_D (= 1) */
1728 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1731 av_reduce(&sar.num, &sar.den, track->par->sample_aspect_ratio.num,
1732 track->par->sample_aspect_ratio.den, INT_MAX);
1735 ffio_wfourcc(pb, "pasp");
1736 avio_wb32(pb, sar.num);
1737 avio_wb32(pb, sar.den);
1741 static int mov_write_gama_tag(AVIOContext *pb, MOVTrack *track, double gamma)
1746 gamma = avpriv_get_gamma_from_trc(track->par->color_trc);
1748 av_log(pb, AV_LOG_DEBUG, "gamma value %g\n", gamma);
1751 gama = (uint32_t)lrint((double)(1<<16) * gamma);
1752 av_log(pb, AV_LOG_DEBUG, "writing gama value %"PRId32"\n", gama);
1754 av_assert0(track->mode == MODE_MOV);
1756 ffio_wfourcc(pb, "gama");
1757 avio_wb32(pb, gama);
1761 av_log(pb, AV_LOG_WARNING, "gamma value unknown, unable to write gama atom\n");
1766 static int mov_write_colr_tag(AVIOContext *pb, MOVTrack *track)
1768 // Ref (MOV): https://developer.apple.com/library/mac/technotes/tn2162/_index.html#//apple_ref/doc/uid/DTS40013070-CH1-TNTAG9
1769 // Ref (MP4): ISO/IEC 14496-12:2012
1771 if (track->par->color_primaries == AVCOL_PRI_UNSPECIFIED &&
1772 track->par->color_trc == AVCOL_TRC_UNSPECIFIED &&
1773 track->par->color_space == AVCOL_SPC_UNSPECIFIED) {
1774 if ((track->par->width >= 1920 && track->par->height >= 1080)
1775 || (track->par->width == 1280 && track->par->height == 720)) {
1776 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming bt709\n");
1777 track->par->color_primaries = AVCOL_PRI_BT709;
1778 } else if (track->par->width == 720 && track->height == 576) {
1779 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming bt470bg\n");
1780 track->par->color_primaries = AVCOL_PRI_BT470BG;
1781 } else if (track->par->width == 720 &&
1782 (track->height == 486 || track->height == 480)) {
1783 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming smpte170\n");
1784 track->par->color_primaries = AVCOL_PRI_SMPTE170M;
1786 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, unable to assume anything\n");
1788 switch (track->par->color_primaries) {
1789 case AVCOL_PRI_BT709:
1790 track->par->color_trc = AVCOL_TRC_BT709;
1791 track->par->color_space = AVCOL_SPC_BT709;
1793 case AVCOL_PRI_SMPTE170M:
1794 case AVCOL_PRI_BT470BG:
1795 track->par->color_trc = AVCOL_TRC_BT709;
1796 track->par->color_space = AVCOL_SPC_SMPTE170M;
1801 /* We should only ever be called by MOV or MP4. */
1802 av_assert0(track->mode == MODE_MOV || track->mode == MODE_MP4);
1804 avio_wb32(pb, 18 + (track->mode == MODE_MP4));
1805 ffio_wfourcc(pb, "colr");
1806 if (track->mode == MODE_MP4)
1807 ffio_wfourcc(pb, "nclx");
1809 ffio_wfourcc(pb, "nclc");
1810 switch (track->par->color_primaries) {
1811 case AVCOL_PRI_BT709: avio_wb16(pb, 1); break;
1812 case AVCOL_PRI_BT470BG: avio_wb16(pb, 5); break;
1813 case AVCOL_PRI_SMPTE170M:
1814 case AVCOL_PRI_SMPTE240M: avio_wb16(pb, 6); break;
1815 case AVCOL_PRI_BT2020: avio_wb16(pb, 9); break;
1816 case AVCOL_PRI_SMPTE431: avio_wb16(pb, 11); break;
1817 case AVCOL_PRI_SMPTE432: avio_wb16(pb, 12); break;
1818 default: avio_wb16(pb, 2);
1820 switch (track->par->color_trc) {
1821 case AVCOL_TRC_BT709: avio_wb16(pb, 1); break;
1822 case AVCOL_TRC_SMPTE170M: avio_wb16(pb, 1); break; // remapped
1823 case AVCOL_TRC_SMPTE240M: avio_wb16(pb, 7); break;
1824 case AVCOL_TRC_SMPTEST2084: avio_wb16(pb, 16); break;
1825 case AVCOL_TRC_SMPTE428: avio_wb16(pb, 17); break;
1826 case AVCOL_TRC_ARIB_STD_B67: avio_wb16(pb, 18); break;
1827 default: avio_wb16(pb, 2);
1829 switch (track->par->color_space) {
1830 case AVCOL_SPC_BT709: avio_wb16(pb, 1); break;
1831 case AVCOL_SPC_BT470BG:
1832 case AVCOL_SPC_SMPTE170M: avio_wb16(pb, 6); break;
1833 case AVCOL_SPC_SMPTE240M: avio_wb16(pb, 7); break;
1834 case AVCOL_SPC_BT2020_NCL: avio_wb16(pb, 9); break;
1835 default: avio_wb16(pb, 2);
1838 if (track->mode == MODE_MP4) {
1839 int full_range = track->par->color_range == AVCOL_RANGE_JPEG;
1840 avio_w8(pb, full_range << 7);
1847 static void find_compressor(char * compressor_name, int len, MOVTrack *track)
1849 AVDictionaryEntry *encoder;
1850 int xdcam_res = (track->par->width == 1280 && track->par->height == 720)
1851 || (track->par->width == 1440 && track->par->height == 1080)
1852 || (track->par->width == 1920 && track->par->height == 1080);
1854 if (track->mode == MODE_MOV &&
1855 (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0))) {
1856 av_strlcpy(compressor_name, encoder->value, 32);
1857 } else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) {
1858 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1859 AVStream *st = track->st;
1860 int rate = defined_frame_rate(NULL, st);
1861 av_strlcatf(compressor_name, len, "XDCAM");
1862 if (track->par->format == AV_PIX_FMT_YUV422P) {
1863 av_strlcatf(compressor_name, len, " HD422");
1864 } else if(track->par->width == 1440) {
1865 av_strlcatf(compressor_name, len, " HD");
1867 av_strlcatf(compressor_name, len, " EX");
1869 av_strlcatf(compressor_name, len, " %d%c", track->par->height, interlaced ? 'i' : 'p');
1871 av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1));
1875 static int mov_write_video_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1877 int64_t pos = avio_tell(pb);
1878 char compressor_name[32] = { 0 };
1881 int uncompressed_ycbcr = ((track->par->codec_id == AV_CODEC_ID_RAWVIDEO && track->par->format == AV_PIX_FMT_UYVY422)
1882 || (track->par->codec_id == AV_CODEC_ID_RAWVIDEO && track->par->format == AV_PIX_FMT_YUYV422)
1883 || track->par->codec_id == AV_CODEC_ID_V308
1884 || track->par->codec_id == AV_CODEC_ID_V408
1885 || track->par->codec_id == AV_CODEC_ID_V410
1886 || track->par->codec_id == AV_CODEC_ID_V210);
1888 avio_wb32(pb, 0); /* size */
1889 if (mov->encryption_scheme != MOV_ENC_NONE) {
1890 ffio_wfourcc(pb, "encv");
1892 avio_wl32(pb, track->tag); // store it byteswapped
1894 avio_wb32(pb, 0); /* Reserved */
1895 avio_wb16(pb, 0); /* Reserved */
1896 avio_wb16(pb, 1); /* Data-reference index */
1898 if (uncompressed_ycbcr) {
1899 avio_wb16(pb, 2); /* Codec stream version */
1901 avio_wb16(pb, 0); /* Codec stream version */
1903 avio_wb16(pb, 0); /* Codec stream revision (=0) */
1904 if (track->mode == MODE_MOV) {
1905 ffio_wfourcc(pb, "FFMP"); /* Vendor */
1906 if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO || uncompressed_ycbcr) {
1907 avio_wb32(pb, 0); /* Temporal Quality */
1908 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1910 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1911 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1914 avio_wb32(pb, 0); /* Reserved */
1915 avio_wb32(pb, 0); /* Reserved */
1916 avio_wb32(pb, 0); /* Reserved */
1918 avio_wb16(pb, track->par->width); /* Video width */
1919 avio_wb16(pb, track->height); /* Video height */
1920 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1921 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1922 avio_wb32(pb, 0); /* Data size (= 0) */
1923 avio_wb16(pb, 1); /* Frame count (= 1) */
1925 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1926 find_compressor(compressor_name, 32, track);
1927 avio_w8(pb, strlen(compressor_name));
1928 avio_write(pb, compressor_name, 31);
1930 if (track->mode == MODE_MOV &&
1931 (track->par->codec_id == AV_CODEC_ID_V410 || track->par->codec_id == AV_CODEC_ID_V210))
1932 avio_wb16(pb, 0x18);
1933 else if (track->mode == MODE_MOV && track->par->bits_per_coded_sample)
1934 avio_wb16(pb, track->par->bits_per_coded_sample |
1935 (track->par->format == AV_PIX_FMT_GRAY8 ? 0x20 : 0));
1937 avio_wb16(pb, 0x18); /* Reserved */
1939 if (track->mode == MODE_MOV && track->par->format == AV_PIX_FMT_PAL8) {
1940 int pal_size = 1 << track->par->bits_per_coded_sample;
1942 avio_wb16(pb, 0); /* Color table ID */
1943 avio_wb32(pb, 0); /* Color table seed */
1944 avio_wb16(pb, 0x8000); /* Color table flags */
1945 avio_wb16(pb, pal_size - 1); /* Color table size (zero-relative) */
1946 for (i = 0; i < pal_size; i++) {
1947 uint32_t rgb = track->palette[i];
1948 uint16_t r = (rgb >> 16) & 0xff;
1949 uint16_t g = (rgb >> 8) & 0xff;
1950 uint16_t b = rgb & 0xff;
1952 avio_wb16(pb, (r << 8) | r);
1953 avio_wb16(pb, (g << 8) | g);
1954 avio_wb16(pb, (b << 8) | b);
1957 avio_wb16(pb, 0xffff); /* Reserved */
1959 if (track->tag == MKTAG('m','p','4','v'))
1960 mov_write_esds_tag(pb, track);
1961 else if (track->par->codec_id == AV_CODEC_ID_H263)
1962 mov_write_d263_tag(pb);
1963 else if (track->par->codec_id == AV_CODEC_ID_AVUI ||
1964 track->par->codec_id == AV_CODEC_ID_SVQ3) {
1965 mov_write_extradata_tag(pb, track);
1967 } else if (track->par->codec_id == AV_CODEC_ID_DNXHD) {
1968 mov_write_avid_tag(pb, track);
1970 } else if (track->par->codec_id == AV_CODEC_ID_HEVC)
1971 mov_write_hvcc_tag(pb, track);
1972 else if (track->par->codec_id == AV_CODEC_ID_H264 && !TAG_IS_AVCI(track->tag)) {
1973 mov_write_avcc_tag(pb, track);
1974 if (track->mode == MODE_IPOD)
1975 mov_write_uuid_tag_ipod(pb);
1976 } else if (track->par->codec_id == AV_CODEC_ID_VP9) {
1977 mov_write_vpcc_tag(mov->fc, pb, track);
1978 } else if (track->par->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
1979 mov_write_dvc1_tag(pb, track);
1980 else if (track->par->codec_id == AV_CODEC_ID_VP6F ||
1981 track->par->codec_id == AV_CODEC_ID_VP6A) {
1982 /* Don't write any potential extradata here - the cropping
1983 * is signalled via the normal width/height fields. */
1984 } else if (track->par->codec_id == AV_CODEC_ID_R10K) {
1985 if (track->par->codec_tag == MKTAG('R','1','0','k'))
1986 mov_write_dpxe_tag(pb, track);
1987 } else if (track->vos_len > 0)
1988 mov_write_glbl_tag(pb, track);
1990 if (track->par->codec_id != AV_CODEC_ID_H264 &&
1991 track->par->codec_id != AV_CODEC_ID_MPEG4 &&
1992 track->par->codec_id != AV_CODEC_ID_DNXHD) {
1993 int field_order = track->par->field_order;
1995 #if FF_API_LAVF_AVCTX
1996 FF_DISABLE_DEPRECATION_WARNINGS
1997 if (field_order != track->st->codec->field_order && track->st->codec->field_order != AV_FIELD_UNKNOWN)
1998 field_order = track->st->codec->field_order;
1999 FF_ENABLE_DEPRECATION_WARNINGS
2002 if (field_order != AV_FIELD_UNKNOWN)
2003 mov_write_fiel_tag(pb, track, field_order);
2006 if (mov->flags & FF_MOV_FLAG_WRITE_GAMA) {
2007 if (track->mode == MODE_MOV)
2008 mov_write_gama_tag(pb, track, mov->gamma);
2010 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'gama' atom. Format is not MOV.\n");
2012 if (mov->flags & FF_MOV_FLAG_WRITE_COLR) {
2013 if (track->mode == MODE_MOV || track->mode == MODE_MP4)
2014 mov_write_colr_tag(pb, track);
2016 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'colr' atom. Format is not MOV or MP4.\n");
2019 if (track->mode == MODE_MP4 && mov->fc->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
2020 AVStereo3D* stereo_3d = (AVStereo3D*) av_stream_get_side_data(track->st, AV_PKT_DATA_STEREO3D, NULL);
2021 AVSphericalMapping* spherical_mapping = (AVSphericalMapping*)av_stream_get_side_data(track->st, AV_PKT_DATA_SPHERICAL, NULL);
2024 mov_write_st3d_tag(pb, stereo_3d);
2025 if (spherical_mapping)
2026 mov_write_sv3d_tag(mov->fc, pb, spherical_mapping);
2029 if (track->par->sample_aspect_ratio.den && track->par->sample_aspect_ratio.num) {
2030 mov_write_pasp_tag(pb, track);
2033 if (uncompressed_ycbcr){
2034 mov_write_clap_tag(pb, track);
2037 if (mov->encryption_scheme != MOV_ENC_NONE) {
2038 ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid);
2041 /* extra padding for avid stsd */
2042 /* https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/QTFFChap2/qtff2.html#//apple_ref/doc/uid/TP40000939-CH204-61112 */
2046 return update_size(pb, pos);
2049 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
2051 int64_t pos = avio_tell(pb);
2052 avio_wb32(pb, 0); /* size */
2053 ffio_wfourcc(pb, "rtp ");
2054 avio_wb32(pb, 0); /* Reserved */
2055 avio_wb16(pb, 0); /* Reserved */
2056 avio_wb16(pb, 1); /* Data-reference index */
2058 avio_wb16(pb, 1); /* Hint track version */
2059 avio_wb16(pb, 1); /* Highest compatible version */
2060 avio_wb32(pb, track->max_packet_size); /* Max packet size */
2062 avio_wb32(pb, 12); /* size */
2063 ffio_wfourcc(pb, "tims");
2064 avio_wb32(pb, track->timescale);
2066 return update_size(pb, pos);
2069 static int mov_write_source_reference_tag(AVIOContext *pb, MOVTrack *track, const char *reel_name)
2071 uint64_t str_size =strlen(reel_name);
2072 int64_t pos = avio_tell(pb);
2074 if (str_size >= UINT16_MAX){
2075 av_log(NULL, AV_LOG_ERROR, "reel_name length %"PRIu64" is too large\n", str_size);
2077 return AVERROR(EINVAL);
2080 avio_wb32(pb, 0); /* size */
2081 ffio_wfourcc(pb, "name"); /* Data format */
2082 avio_wb16(pb, str_size); /* string size */
2083 avio_wb16(pb, track->language); /* langcode */
2084 avio_write(pb, reel_name, str_size); /* reel name */
2085 return update_size(pb,pos);
2088 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
2090 int64_t pos = avio_tell(pb);
2094 AVDictionaryEntry *t = NULL;
2096 if (!track->st->avg_frame_rate.num || !track->st->avg_frame_rate.den) {
2097 #if FF_API_LAVF_AVCTX
2098 FF_DISABLE_DEPRECATION_WARNINGS
2099 frame_duration = av_rescale(track->timescale, track->st->codec->time_base.num, track->st->codec->time_base.den);
2100 nb_frames = ROUNDED_DIV(track->st->codec->time_base.den, track->st->codec->time_base.num);
2101 FF_ENABLE_DEPRECATION_WARNINGS
2103 av_log(NULL, AV_LOG_ERROR, "avg_frame_rate not set for tmcd track.\n");
2104 return AVERROR(EINVAL);
2107 frame_duration = av_rescale(track->timescale, track->st->avg_frame_rate.num, track->st->avg_frame_rate.den);
2108 nb_frames = ROUNDED_DIV(track->st->avg_frame_rate.den, track->st->avg_frame_rate.num);
2111 if (nb_frames > 255) {
2112 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
2113 return AVERROR(EINVAL);
2116 avio_wb32(pb, 0); /* size */
2117 ffio_wfourcc(pb, "tmcd"); /* Data format */
2118 avio_wb32(pb, 0); /* Reserved */
2119 avio_wb32(pb, 1); /* Data reference index */
2120 avio_wb32(pb, 0); /* Flags */
2121 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
2122 avio_wb32(pb, track->timescale); /* Timescale */
2123 avio_wb32(pb, frame_duration); /* Frame duration */
2124 avio_w8(pb, nb_frames); /* Number of frames */
2125 avio_w8(pb, 0); /* Reserved */
2127 t = av_dict_get(track->st->metadata, "reel_name", NULL, 0);
2128 if (t && utf8len(t->value) && track->mode != MODE_MP4)
2129 mov_write_source_reference_tag(pb, track, t->value);
2131 avio_wb16(pb, 0); /* zero size */
2134 avio_wb32(pb, 0); /* size */
2135 ffio_wfourcc(pb, "tmcd"); /* Data format */
2136 avio_wb32(pb, 0); /* Reserved */
2137 avio_wb32(pb, 1); /* Data reference index */
2138 if (track->par->extradata_size)
2139 avio_write(pb, track->par->extradata, track->par->extradata_size);
2141 return update_size(pb, pos);
2144 static int mov_write_gpmd_tag(AVIOContext *pb, const MOVTrack *track)
2146 int64_t pos = avio_tell(pb);
2147 avio_wb32(pb, 0); /* size */
2148 ffio_wfourcc(pb, "gpmd");
2149 avio_wb32(pb, 0); /* Reserved */
2150 avio_wb16(pb, 0); /* Reserved */
2151 avio_wb16(pb, 1); /* Data-reference index */
2152 avio_wb32(pb, 0); /* Reserved */
2153 return update_size(pb, pos);
2156 static int mov_write_stsd_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2158 int64_t pos = avio_tell(pb);
2159 avio_wb32(pb, 0); /* size */
2160 ffio_wfourcc(pb, "stsd");
2161 avio_wb32(pb, 0); /* version & flags */
2162 avio_wb32(pb, 1); /* entry count */
2163 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2164 mov_write_video_tag(pb, mov, track);
2165 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2166 mov_write_audio_tag(s, pb, mov, track);
2167 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
2168 mov_write_subtitle_tag(pb, track);
2169 else if (track->par->codec_tag == MKTAG('r','t','p',' '))
2170 mov_write_rtp_tag(pb, track);
2171 else if (track->par->codec_tag == MKTAG('t','m','c','d'))
2172 mov_write_tmcd_tag(pb, track);
2173 else if (track->par->codec_tag == MKTAG('g','p','m','d'))
2174 mov_write_gpmd_tag(pb, track);
2175 return update_size(pb, pos);
2178 static int mov_write_ctts_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
2180 MOVMuxContext *mov = s->priv_data;
2181 MOVStts *ctts_entries;
2182 uint32_t entries = 0;
2186 ctts_entries = av_malloc_array((track->entry + 1), sizeof(*ctts_entries)); /* worst case */
2188 return AVERROR(ENOMEM);
2189 ctts_entries[0].count = 1;
2190 ctts_entries[0].duration = track->cluster[0].cts;
2191 for (i = 1; i < track->entry; i++) {
2192 if (track->cluster[i].cts == ctts_entries[entries].duration) {
2193 ctts_entries[entries].count++; /* compress */
2196 ctts_entries[entries].duration = track->cluster[i].cts;
2197 ctts_entries[entries].count = 1;
2200 entries++; /* last one */
2201 atom_size = 16 + (entries * 8);
2202 avio_wb32(pb, atom_size); /* size */
2203 ffio_wfourcc(pb, "ctts");
2204 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
2205 avio_w8(pb, 1); /* version */
2207 avio_w8(pb, 0); /* version */
2208 avio_wb24(pb, 0); /* flags */
2209 avio_wb32(pb, entries); /* entry count */
2210 for (i = 0; i < entries; i++) {
2211 avio_wb32(pb, ctts_entries[i].count);
2212 avio_wb32(pb, ctts_entries[i].duration);
2214 av_free(ctts_entries);
2218 /* Time to sample atom */
2219 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
2221 MOVStts *stts_entries = NULL;
2222 uint32_t entries = -1;
2226 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
2227 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
2229 return AVERROR(ENOMEM);
2230 stts_entries[0].count = track->sample_count;
2231 stts_entries[0].duration = 1;
2235 stts_entries = av_malloc_array(track->entry, sizeof(*stts_entries)); /* worst case */
2237 return AVERROR(ENOMEM);
2239 for (i = 0; i < track->entry; i++) {
2240 int duration = get_cluster_duration(track, i);
2241 if (i && duration == stts_entries[entries].duration) {
2242 stts_entries[entries].count++; /* compress */
2245 stts_entries[entries].duration = duration;
2246 stts_entries[entries].count = 1;
2249 entries++; /* last one */
2251 atom_size = 16 + (entries * 8);
2252 avio_wb32(pb, atom_size); /* size */
2253 ffio_wfourcc(pb, "stts");
2254 avio_wb32(pb, 0); /* version & flags */
2255 avio_wb32(pb, entries); /* entry count */
2256 for (i = 0; i < entries; i++) {
2257 avio_wb32(pb, stts_entries[i].count);
2258 avio_wb32(pb, stts_entries[i].duration);
2260 av_free(stts_entries);
2264 static int mov_write_dref_tag(AVIOContext *pb)
2266 avio_wb32(pb, 28); /* size */
2267 ffio_wfourcc(pb, "dref");
2268 avio_wb32(pb, 0); /* version & flags */
2269 avio_wb32(pb, 1); /* entry count */
2271 avio_wb32(pb, 0xc); /* size */
2272 //FIXME add the alis and rsrc atom
2273 ffio_wfourcc(pb, "url ");
2274 avio_wb32(pb, 1); /* version & flags */
2279 static int mov_preroll_write_stbl_atoms(AVIOContext *pb, MOVTrack *track)
2283 int16_t roll_distance;
2284 int group_description_index;
2287 struct sgpd_entry *sgpd_entries = NULL;
2292 const int OPUS_SEEK_PREROLL_MS = 80;
2293 int roll_samples = av_rescale_q(OPUS_SEEK_PREROLL_MS,
2294 (AVRational){1, 1000},
2295 (AVRational){1, 48000});
2300 sgpd_entries = av_malloc_array(track->entry, sizeof(*sgpd_entries));
2302 return AVERROR(ENOMEM);
2304 av_assert0(track->par->codec_id == AV_CODEC_ID_OPUS || track->par->codec_id == AV_CODEC_ID_AAC);
2306 if (track->par->codec_id == AV_CODEC_ID_OPUS) {
2307 for (i = 0; i < track->entry; i++) {
2308 int roll_samples_remaining = roll_samples;
2310 for (j = i - 1; j >= 0; j--) {
2311 roll_samples_remaining -= get_cluster_duration(track, j);
2313 if (roll_samples_remaining <= 0)
2316 /* We don't have enough preceeding samples to compute a valid
2317 roll_distance here, so this sample can't be independently
2319 if (roll_samples_remaining > 0)
2321 /* Verify distance is a minimum of 2 (60ms) packets and a maximum of
2322 32 (2.5ms) packets. */
2323 av_assert0(distance == 0 || (distance >= 2 && distance <= 32));
2324 if (i && distance == sgpd_entries[entries].roll_distance) {
2325 sgpd_entries[entries].count++;
2328 sgpd_entries[entries].count = 1;
2329 sgpd_entries[entries].roll_distance = distance;
2330 sgpd_entries[entries].group_description_index = distance ? ++group : 0;
2335 sgpd_entries[entries].count = track->sample_count;
2336 sgpd_entries[entries].roll_distance = 1;
2337 sgpd_entries[entries].group_description_index = ++group;
2342 av_free(sgpd_entries);
2346 /* Write sgpd tag */
2347 avio_wb32(pb, 24 + (group * 2)); /* size */
2348 ffio_wfourcc(pb, "sgpd");
2349 avio_wb32(pb, 1 << 24); /* fullbox */
2350 ffio_wfourcc(pb, "roll");
2351 avio_wb32(pb, 2); /* default_length */
2352 avio_wb32(pb, group); /* entry_count */
2353 for (i = 0; i < entries; i++) {
2354 if (sgpd_entries[i].group_description_index) {
2355 avio_wb16(pb, -sgpd_entries[i].roll_distance); /* roll_distance */
2359 /* Write sbgp tag */
2360 avio_wb32(pb, 20 + (entries * 8)); /* size */
2361 ffio_wfourcc(pb, "sbgp");
2362 avio_wb32(pb, 0); /* fullbox */
2363 ffio_wfourcc(pb, "roll");
2364 avio_wb32(pb, entries); /* entry_count */
2365 for (i = 0; i < entries; i++) {
2366 avio_wb32(pb, sgpd_entries[i].count); /* sample_count */
2367 avio_wb32(pb, sgpd_entries[i].group_description_index); /* group_description_index */
2370 av_free(sgpd_entries);
2374 static int mov_write_stbl_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2376 int64_t pos = avio_tell(pb);
2379 avio_wb32(pb, 0); /* size */
2380 ffio_wfourcc(pb, "stbl");
2381 mov_write_stsd_tag(s, pb, mov, track);
2382 mov_write_stts_tag(pb, track);
2383 if ((track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2384 track->par->codec_tag == MKTAG('r','t','p',' ')) &&
2385 track->has_keyframes && track->has_keyframes < track->entry)
2386 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
2387 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO && track->has_disposable)
2388 mov_write_sdtp_tag(pb, track);
2389 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
2390 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
2391 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO &&
2392 track->flags & MOV_TRACK_CTTS && track->entry) {
2394 if ((ret = mov_write_ctts_tag(s, pb, track)) < 0)
2397 mov_write_stsc_tag(pb, track);
2398 mov_write_stsz_tag(pb, track);
2399 mov_write_stco_tag(pb, track);
2400 if (track->cenc.aes_ctr) {
2401 ff_mov_cenc_write_stbl_atoms(&track->cenc, pb);
2403 if (track->par->codec_id == AV_CODEC_ID_OPUS || track->par->codec_id == AV_CODEC_ID_AAC) {
2404 mov_preroll_write_stbl_atoms(pb, track);
2406 return update_size(pb, pos);
2409 static int mov_write_dinf_tag(AVIOContext *pb)
2411 int64_t pos = avio_tell(pb);
2412 avio_wb32(pb, 0); /* size */
2413 ffio_wfourcc(pb, "dinf");
2414 mov_write_dref_tag(pb);
2415 return update_size(pb, pos);
2418 static int mov_write_nmhd_tag(AVIOContext *pb)
2421 ffio_wfourcc(pb, "nmhd");
2426 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
2428 int64_t pos = avio_tell(pb);
2429 const char *font = "Lucida Grande";
2430 avio_wb32(pb, 0); /* size */
2431 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
2432 avio_wb32(pb, 0); /* version & flags */
2433 avio_wb16(pb, 0); /* text font */
2434 avio_wb16(pb, 0); /* text face */
2435 avio_wb16(pb, 12); /* text size */
2436 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
2437 avio_wb16(pb, 0x0000); /* text color (red) */
2438 avio_wb16(pb, 0x0000); /* text color (green) */
2439 avio_wb16(pb, 0x0000); /* text color (blue) */
2440 avio_wb16(pb, 0xffff); /* background color (red) */
2441 avio_wb16(pb, 0xffff); /* background color (green) */
2442 avio_wb16(pb, 0xffff); /* background color (blue) */
2443 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
2444 avio_write(pb, font, strlen(font)); /* font name */
2445 return update_size(pb, pos);
2448 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
2450 int64_t pos = avio_tell(pb);
2451 avio_wb32(pb, 0); /* size */
2452 ffio_wfourcc(pb, "gmhd");
2453 avio_wb32(pb, 0x18); /* gmin size */
2454 ffio_wfourcc(pb, "gmin");/* generic media info */
2455 avio_wb32(pb, 0); /* version & flags */
2456 avio_wb16(pb, 0x40); /* graphics mode = */
2457 avio_wb16(pb, 0x8000); /* opColor (r?) */
2458 avio_wb16(pb, 0x8000); /* opColor (g?) */
2459 avio_wb16(pb, 0x8000); /* opColor (b?) */
2460 avio_wb16(pb, 0); /* balance */
2461 avio_wb16(pb, 0); /* reserved */
2464 * This special text atom is required for
2465 * Apple Quicktime chapters. The contents
2466 * don't appear to be documented, so the
2467 * bytes are copied verbatim.
2469 if (track->tag != MKTAG('c','6','0','8')) {
2470 avio_wb32(pb, 0x2C); /* size */
2471 ffio_wfourcc(pb, "text");
2472 avio_wb16(pb, 0x01);
2473 avio_wb32(pb, 0x00);
2474 avio_wb32(pb, 0x00);
2475 avio_wb32(pb, 0x00);
2476 avio_wb32(pb, 0x01);
2477 avio_wb32(pb, 0x00);
2478 avio_wb32(pb, 0x00);
2479 avio_wb32(pb, 0x00);
2480 avio_wb32(pb, 0x00004000);
2481 avio_wb16(pb, 0x0000);
2484 if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2485 int64_t tmcd_pos = avio_tell(pb);
2486 avio_wb32(pb, 0); /* size */
2487 ffio_wfourcc(pb, "tmcd");
2488 mov_write_tcmi_tag(pb, track);
2489 update_size(pb, tmcd_pos);
2490 } else if (track->par->codec_tag == MKTAG('g','p','m','d')) {
2491 int64_t gpmd_pos = avio_tell(pb);
2492 avio_wb32(pb, 0); /* size */
2493 ffio_wfourcc(pb, "gpmd");
2494 avio_wb32(pb, 0); /* version */
2495 update_size(pb, gpmd_pos);
2497 return update_size(pb, pos);
2500 static int mov_write_smhd_tag(AVIOContext *pb)
2502 avio_wb32(pb, 16); /* size */
2503 ffio_wfourcc(pb, "smhd");
2504 avio_wb32(pb, 0); /* version & flags */
2505 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
2506 avio_wb16(pb, 0); /* reserved */
2510 static int mov_write_vmhd_tag(AVIOContext *pb)
2512 avio_wb32(pb, 0x14); /* size (always 0x14) */
2513 ffio_wfourcc(pb, "vmhd");
2514 avio_wb32(pb, 0x01); /* version & flags */
2515 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
2519 static int is_clcp_track(MOVTrack *track)
2521 return track->tag == MKTAG('c','7','0','8') ||
2522 track->tag == MKTAG('c','6','0','8');
2525 static int mov_write_hdlr_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
2527 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
2528 int64_t pos = avio_tell(pb);
2532 descr = "DataHandler";
2535 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
2536 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
2538 descr = "VideoHandler";
2539 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
2541 descr = "SoundHandler";
2542 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2543 if (is_clcp_track(track)) {
2545 descr = "ClosedCaptionHandler";
2547 if (track->tag == MKTAG('t','x','3','g')) {
2549 } else if (track->tag == MKTAG('m','p','4','s')) {
2554 descr = "SubtitleHandler";
2556 } else if (track->par->codec_tag == MKTAG('r','t','p',' ')) {
2558 descr = "HintHandler";
2559 } else if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2561 descr = "TimeCodeHandler";
2562 } else if (track->par->codec_tag == MKTAG('g','p','m','d')) {
2564 descr = "GoPro MET"; // GoPro Metadata
2566 av_log(s, AV_LOG_WARNING,
2567 "Unknown hldr_type for %s, writing dummy values\n",
2568 av_fourcc2str(track->par->codec_tag));
2571 // hdlr.name is used by some players to identify the content title
2572 // of the track. So if an alternate handler description is
2573 // specified, use it.
2574 AVDictionaryEntry *t;
2575 t = av_dict_get(track->st->metadata, "handler", NULL, 0);
2576 if (t && utf8len(t->value))
2581 avio_wb32(pb, 0); /* size */
2582 ffio_wfourcc(pb, "hdlr");
2583 avio_wb32(pb, 0); /* Version & flags */
2584 avio_write(pb, hdlr, 4); /* handler */
2585 ffio_wfourcc(pb, hdlr_type); /* handler type */
2586 avio_wb32(pb, 0); /* reserved */
2587 avio_wb32(pb, 0); /* reserved */
2588 avio_wb32(pb, 0); /* reserved */
2589 if (!track || track->mode == MODE_MOV)
2590 avio_w8(pb, strlen(descr)); /* pascal string */
2591 avio_write(pb, descr, strlen(descr)); /* handler description */
2592 if (track && track->mode != MODE_MOV)
2593 avio_w8(pb, 0); /* c string */
2594 return update_size(pb, pos);
2597 static int mov_write_hmhd_tag(AVIOContext *pb)
2599 /* This atom must be present, but leaving the values at zero
2600 * seems harmless. */
2601 avio_wb32(pb, 28); /* size */
2602 ffio_wfourcc(pb, "hmhd");
2603 avio_wb32(pb, 0); /* version, flags */
2604 avio_wb16(pb, 0); /* maxPDUsize */
2605 avio_wb16(pb, 0); /* avgPDUsize */
2606 avio_wb32(pb, 0); /* maxbitrate */
2607 avio_wb32(pb, 0); /* avgbitrate */
2608 avio_wb32(pb, 0); /* reserved */
2612 static int mov_write_minf_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2614 int64_t pos = avio_tell(pb);
2617 avio_wb32(pb, 0); /* size */
2618 ffio_wfourcc(pb, "minf");
2619 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2620 mov_write_vmhd_tag(pb);
2621 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2622 mov_write_smhd_tag(pb);
2623 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2624 if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
2625 mov_write_gmhd_tag(pb, track);
2627 mov_write_nmhd_tag(pb);
2629 } else if (track->tag == MKTAG('r','t','p',' ')) {
2630 mov_write_hmhd_tag(pb);
2631 } else if (track->tag == MKTAG('t','m','c','d')) {
2632 if (track->mode != MODE_MOV)
2633 mov_write_nmhd_tag(pb);
2635 mov_write_gmhd_tag(pb, track);
2636 } else if (track->tag == MKTAG('g','p','m','d')) {
2637 mov_write_gmhd_tag(pb, track);
2639 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
2640 mov_write_hdlr_tag(s, pb, NULL);
2641 mov_write_dinf_tag(pb);
2642 if ((ret = mov_write_stbl_tag(s, pb, mov, track)) < 0)
2644 return update_size(pb, pos);
2647 static int mov_write_mdhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2650 int version = track->track_duration < INT32_MAX ? 0 : 1;
2652 if (track->mode == MODE_ISM)
2655 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
2656 ffio_wfourcc(pb, "mdhd");
2657 avio_w8(pb, version);
2658 avio_wb24(pb, 0); /* flags */
2660 avio_wb64(pb, track->time);
2661 avio_wb64(pb, track->time);
2663 avio_wb32(pb, track->time); /* creation time */
2664 avio_wb32(pb, track->time); /* modification time */
2666 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
2667 if (!track->entry && mov->mode == MODE_ISM)
2668 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2669 else if (!track->entry)
2670 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2672 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
2673 avio_wb16(pb, track->language); /* language */
2674 avio_wb16(pb, 0); /* reserved (quality) */
2676 if (version != 0 && track->mode == MODE_MOV) {
2677 av_log(NULL, AV_LOG_ERROR,
2678 "FATAL error, file duration too long for timebase, this file will not be\n"
2679 "playable with quicktime. Choose a different timebase or a different\n"
2680 "container format\n");
2686 static int mov_write_mdia_tag(AVFormatContext *s, AVIOContext *pb,
2687 MOVMuxContext *mov, MOVTrack *track)
2689 int64_t pos = avio_tell(pb);
2692 avio_wb32(pb, 0); /* size */
2693 ffio_wfourcc(pb, "mdia");
2694 mov_write_mdhd_tag(pb, mov, track);
2695 mov_write_hdlr_tag(s, pb, track);
2696 if ((ret = mov_write_minf_tag(s, pb, mov, track)) < 0)
2698 return update_size(pb, pos);
2701 /* transformation matrix
2705 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
2706 int16_t d, int16_t tx, int16_t ty)
2708 avio_wb32(pb, a << 16); /* 16.16 format */
2709 avio_wb32(pb, b << 16); /* 16.16 format */
2710 avio_wb32(pb, 0); /* u in 2.30 format */
2711 avio_wb32(pb, c << 16); /* 16.16 format */
2712 avio_wb32(pb, d << 16); /* 16.16 format */
2713 avio_wb32(pb, 0); /* v in 2.30 format */
2714 avio_wb32(pb, tx << 16); /* 16.16 format */
2715 avio_wb32(pb, ty << 16); /* 16.16 format */
2716 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
2719 static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2720 MOVTrack *track, AVStream *st)
2722 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
2723 track->timescale, AV_ROUND_UP);
2724 int version = duration < INT32_MAX ? 0 : 1;
2725 int flags = MOV_TKHD_FLAG_IN_MOVIE;
2729 uint32_t *display_matrix = NULL;
2730 int display_matrix_size, i;
2733 if (mov->per_stream_grouping)
2736 group = st->codecpar->codec_type;
2738 display_matrix = (uint32_t*)av_stream_get_side_data(st, AV_PKT_DATA_DISPLAYMATRIX,
2739 &display_matrix_size);
2740 if (display_matrix && display_matrix_size < 9 * sizeof(*display_matrix))
2741 display_matrix = NULL;
2744 if (track->flags & MOV_TRACK_ENABLED)
2745 flags |= MOV_TKHD_FLAG_ENABLED;
2747 if (track->mode == MODE_ISM)
2750 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
2751 ffio_wfourcc(pb, "tkhd");
2752 avio_w8(pb, version);
2753 avio_wb24(pb, flags);
2755 avio_wb64(pb, track->time);
2756 avio_wb64(pb, track->time);
2758 avio_wb32(pb, track->time); /* creation time */
2759 avio_wb32(pb, track->time); /* modification time */
2761 avio_wb32(pb, track->track_id); /* track-id */
2762 avio_wb32(pb, 0); /* reserved */
2763 if (!track->entry && mov->mode == MODE_ISM)
2764 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2765 else if (!track->entry)
2766 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2768 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
2770 avio_wb32(pb, 0); /* reserved */
2771 avio_wb32(pb, 0); /* reserved */
2772 avio_wb16(pb, 0); /* layer */
2773 avio_wb16(pb, group); /* alternate group) */
2774 /* Volume, only for audio */
2775 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2776 avio_wb16(pb, 0x0100);
2779 avio_wb16(pb, 0); /* reserved */
2781 /* Matrix structure */
2782 #if FF_API_OLD_ROTATE_API
2783 if (st && st->metadata) {
2784 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
2785 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
2788 if (display_matrix) {
2789 for (i = 0; i < 9; i++)
2790 avio_wb32(pb, display_matrix[i]);
2791 #if FF_API_OLD_ROTATE_API
2792 } else if (rotation == 90) {
2793 write_matrix(pb, 0, 1, -1, 0, track->par->height, 0);
2794 } else if (rotation == 180) {
2795 write_matrix(pb, -1, 0, 0, -1, track->par->width, track->par->height);
2796 } else if (rotation == 270) {
2797 write_matrix(pb, 0, -1, 1, 0, 0, track->par->width);
2800 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2802 /* Track width and height, for visual only */
2803 if (st && (track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2804 track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
2805 int64_t track_width_1616;
2806 if (track->mode == MODE_MOV) {
2807 track_width_1616 = track->par->width * 0x10000ULL;
2809 track_width_1616 = av_rescale(st->sample_aspect_ratio.num,
2810 track->par->width * 0x10000LL,
2811 st->sample_aspect_ratio.den);
2812 if (!track_width_1616 ||
2813 track->height != track->par->height ||
2814 track_width_1616 > UINT32_MAX)
2815 track_width_1616 = track->par->width * 0x10000ULL;
2817 if (track_width_1616 > UINT32_MAX) {
2818 av_log(mov->fc, AV_LOG_WARNING, "track width is too large\n");
2819 track_width_1616 = 0;
2821 avio_wb32(pb, track_width_1616);
2822 if (track->height > 0xFFFF) {
2823 av_log(mov->fc, AV_LOG_WARNING, "track height is too large\n");
2826 avio_wb32(pb, track->height * 0x10000U);
2834 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
2836 int32_t width = av_rescale(track->par->sample_aspect_ratio.num, track->par->width,
2837 track->par->sample_aspect_ratio.den);
2839 int64_t pos = avio_tell(pb);
2841 avio_wb32(pb, 0); /* size */
2842 ffio_wfourcc(pb, "tapt");
2845 ffio_wfourcc(pb, "clef");
2847 avio_wb32(pb, width << 16);
2848 avio_wb32(pb, track->par->height << 16);
2851 ffio_wfourcc(pb, "prof");
2853 avio_wb32(pb, width << 16);
2854 avio_wb32(pb, track->par->height << 16);
2857 ffio_wfourcc(pb, "enof");
2859 avio_wb32(pb, track->par->width << 16);
2860 avio_wb32(pb, track->par->height << 16);
2862 return update_size(pb, pos);
2865 // This box seems important for the psp playback ... without it the movie seems to hang
2866 static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov,
2869 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
2870 track->timescale, AV_ROUND_UP);
2871 int version = duration < INT32_MAX ? 0 : 1;
2872 int entry_size, entry_count, size;
2873 int64_t delay, start_ct = track->start_cts;
2874 int64_t start_dts = track->start_dts;
2877 if (start_dts != track->cluster[0].dts || start_ct != track->cluster[0].cts) {
2879 av_log(mov->fc, AV_LOG_DEBUG,
2880 "EDTS using dts:%"PRId64" cts:%d instead of dts:%"PRId64" cts:%"PRId64" tid:%d\n",
2881 track->cluster[0].dts, track->cluster[0].cts,
2882 start_dts, start_ct, track->track_id);
2883 start_dts = track->cluster[0].dts;
2884 start_ct = track->cluster[0].cts;
2888 delay = av_rescale_rnd(start_dts + start_ct, MOV_TIMESCALE,
2889 track->timescale, AV_ROUND_DOWN);
2890 version |= delay < INT32_MAX ? 0 : 1;
2892 entry_size = (version == 1) ? 20 : 12;
2893 entry_count = 1 + (delay > 0);
2894 size = 24 + entry_count * entry_size;
2896 /* write the atom data */
2897 avio_wb32(pb, size);
2898 ffio_wfourcc(pb, "edts");
2899 avio_wb32(pb, size - 8);
2900 ffio_wfourcc(pb, "elst");
2901 avio_w8(pb, version);
2902 avio_wb24(pb, 0); /* flags */
2904 avio_wb32(pb, entry_count);
2905 if (delay > 0) { /* add an empty edit to delay presentation */
2906 /* In the positive delay case, the delay includes the cts
2907 * offset, and the second edit list entry below trims out
2908 * the same amount from the actual content. This makes sure
2909 * that the offset last sample is included in the edit
2910 * list duration as well. */
2912 avio_wb64(pb, delay);
2915 avio_wb32(pb, delay);
2918 avio_wb32(pb, 0x00010000);
2920 /* Avoid accidentally ending up with start_ct = -1 which has got a
2921 * special meaning. Normally start_ct should end up positive or zero
2922 * here, but use FFMIN in case dts is a small positive integer
2923 * rounded to 0 when represented in MOV_TIMESCALE units. */
2924 av_assert0(av_rescale_rnd(start_dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
2925 start_ct = -FFMIN(start_dts, 0);
2926 /* Note, this delay is calculated from the pts of the first sample,
2927 * ensuring that we don't reduce the duration for cases with
2932 /* For fragmented files, we don't know the full length yet. Setting
2933 * duration to 0 allows us to only specify the offset, including
2934 * the rest of the content (from all future fragments) without specifying
2935 * an explicit duration. */
2936 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2941 avio_wb64(pb, duration);
2942 avio_wb64(pb, start_ct);
2944 avio_wb32(pb, duration);
2945 avio_wb32(pb, start_ct);
2947 avio_wb32(pb, 0x00010000);
2951 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
2953 avio_wb32(pb, 20); // size
2954 ffio_wfourcc(pb, "tref");
2955 avio_wb32(pb, 12); // size (subatom)
2956 avio_wl32(pb, track->tref_tag);
2957 avio_wb32(pb, track->tref_id);
2961 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
2962 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
2964 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
2965 ffio_wfourcc(pb, "uuid");
2966 ffio_wfourcc(pb, "USMT");
2967 avio_wb32(pb, 0x21d24fce);
2968 avio_wb32(pb, 0xbb88695c);
2969 avio_wb32(pb, 0xfac9c740);
2970 avio_wb32(pb, 0x1c); // another size here!
2971 ffio_wfourcc(pb, "MTDT");
2972 avio_wb32(pb, 0x00010012);
2973 avio_wb32(pb, 0x0a);
2974 avio_wb32(pb, 0x55c40000);
2980 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
2982 AVFormatContext *ctx = track->rtp_ctx;
2983 char buf[1000] = "";
2986 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
2987 NULL, NULL, 0, 0, ctx);
2988 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
2991 avio_wb32(pb, len + 24);
2992 ffio_wfourcc(pb, "udta");
2993 avio_wb32(pb, len + 16);
2994 ffio_wfourcc(pb, "hnti");
2995 avio_wb32(pb, len + 8);
2996 ffio_wfourcc(pb, "sdp ");
2997 avio_write(pb, buf, len);
3001 static int mov_write_track_metadata(AVIOContext *pb, AVStream *st,
3002 const char *tag, const char *str)
3004 int64_t pos = avio_tell(pb);
3005 AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
3006 if (!t || !utf8len(t->value))
3009 avio_wb32(pb, 0); /* size */
3010 ffio_wfourcc(pb, tag); /* type */
3011 avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
3012 return update_size(pb, pos);
3015 static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3018 AVIOContext *pb_buf;
3025 ret = avio_open_dyn_buf(&pb_buf);
3029 if (mov->mode & MODE_MP4)
3030 mov_write_track_metadata(pb_buf, st, "name", "title");
3032 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
3033 avio_wb32(pb, size + 8);
3034 ffio_wfourcc(pb, "udta");
3035 avio_write(pb, buf, size);
3042 static int mov_write_trak_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov,
3043 MOVTrack *track, AVStream *st)
3045 int64_t pos = avio_tell(pb);
3046 int entry_backup = track->entry;
3047 int chunk_backup = track->chunkCount;
3050 /* If we want to have an empty moov, but some samples already have been
3051 * buffered (delay_moov), pretend that no samples have been written yet. */
3052 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV)
3053 track->chunkCount = track->entry = 0;
3055 avio_wb32(pb, 0); /* size */
3056 ffio_wfourcc(pb, "trak");
3057 mov_write_tkhd_tag(pb, mov, track, st);
3059 av_assert2(mov->use_editlist >= 0);
3061 if (track->start_dts != AV_NOPTS_VALUE) {
3062 if (mov->use_editlist)
3063 mov_write_edts_tag(pb, mov, track); // PSP Movies and several other cases require edts box
3064 else if ((track->entry && track->cluster[0].dts) || track->mode == MODE_PSP || is_clcp_track(track))
3065 av_log(mov->fc, AV_LOG_WARNING,
3066 "Not writing any edit list even though one would have been required\n");
3069 if (track->tref_tag)
3070 mov_write_tref_tag(pb, track);
3072 if ((ret = mov_write_mdia_tag(s, pb, mov, track)) < 0)
3074 if (track->mode == MODE_PSP)
3075 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
3076 if (track->tag == MKTAG('r','t','p',' '))
3077 mov_write_udta_sdp(pb, track);
3078 if (track->mode == MODE_MOV) {
3079 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
3080 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
3081 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio) {
3082 mov_write_tapt_tag(pb, track);
3085 if (is_clcp_track(track) && st->sample_aspect_ratio.num) {
3086 mov_write_tapt_tag(pb, track);
3089 mov_write_track_udta_tag(pb, mov, st);
3090 track->entry = entry_backup;
3091 track->chunkCount = chunk_backup;
3092 return update_size(pb, pos);
3095 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
3097 int i, has_audio = 0, has_video = 0;
3098 int64_t pos = avio_tell(pb);
3099 int audio_profile = mov->iods_audio_profile;
3100 int video_profile = mov->iods_video_profile;
3101 for (i = 0; i < mov->nb_streams; i++) {
3102 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3103 has_audio |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_AUDIO;
3104 has_video |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_VIDEO;
3107 if (audio_profile < 0)
3108 audio_profile = 0xFF - has_audio;
3109 if (video_profile < 0)
3110 video_profile = 0xFF - has_video;
3111 avio_wb32(pb, 0x0); /* size */
3112 ffio_wfourcc(pb, "iods");
3113 avio_wb32(pb, 0); /* version & flags */
3114 put_descr(pb, 0x10, 7);
3115 avio_wb16(pb, 0x004f);
3118 avio_w8(pb, audio_profile);
3119 avio_w8(pb, video_profile);
3121 return update_size(pb, pos);
3124 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
3126 avio_wb32(pb, 0x20); /* size */
3127 ffio_wfourcc(pb, "trex");
3128 avio_wb32(pb, 0); /* version & flags */
3129 avio_wb32(pb, track->track_id); /* track ID */
3130 avio_wb32(pb, 1); /* default sample description index */
3131 avio_wb32(pb, 0); /* default sample duration */
3132 avio_wb32(pb, 0); /* default sample size */
3133 avio_wb32(pb, 0); /* default sample flags */
3137 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
3139 int64_t pos = avio_tell(pb);
3141 avio_wb32(pb, 0x0); /* size */
3142 ffio_wfourcc(pb, "mvex");
3143 for (i = 0; i < mov->nb_streams; i++)
3144 mov_write_trex_tag(pb, &mov->tracks[i]);
3145 return update_size(pb, pos);
3148 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
3150 int max_track_id = 1, i;
3151 int64_t max_track_len = 0;
3154 for (i = 0; i < mov->nb_streams; i++) {
3155 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
3156 int64_t max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
3158 mov->tracks[i].timescale,
3160 if (max_track_len < max_track_len_temp)
3161 max_track_len = max_track_len_temp;
3162 if (max_track_id < mov->tracks[i].track_id)
3163 max_track_id = mov->tracks[i].track_id;
3166 /* If using delay_moov, make sure the output is the same as if no
3167 * samples had been written yet. */
3168 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3173 version = max_track_len < UINT32_MAX ? 0 : 1;
3174 avio_wb32(pb, version == 1 ? 120 : 108); /* size */
3176 ffio_wfourcc(pb, "mvhd");
3177 avio_w8(pb, version);
3178 avio_wb24(pb, 0); /* flags */
3180 avio_wb64(pb, mov->time);
3181 avio_wb64(pb, mov->time);
3183 avio_wb32(pb, mov->time); /* creation time */
3184 avio_wb32(pb, mov->time); /* modification time */
3186 avio_wb32(pb, MOV_TIMESCALE);
3187 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
3189 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
3190 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
3191 avio_wb16(pb, 0); /* reserved */
3192 avio_wb32(pb, 0); /* reserved */
3193 avio_wb32(pb, 0); /* reserved */
3195 /* Matrix structure */
3196 write_matrix(pb, 1, 0, 0, 1, 0, 0);
3198 avio_wb32(pb, 0); /* reserved (preview time) */
3199 avio_wb32(pb, 0); /* reserved (preview duration) */
3200 avio_wb32(pb, 0); /* reserved (poster time) */
3201 avio_wb32(pb, 0); /* reserved (selection time) */
3202 avio_wb32(pb, 0); /* reserved (selection duration) */
3203 avio_wb32(pb, 0); /* reserved (current time) */
3204 avio_wb32(pb, max_track_id + 1); /* Next track id */
3208 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3211 avio_wb32(pb, 33); /* size */
3212 ffio_wfourcc(pb, "hdlr");
3215 ffio_wfourcc(pb, "mdir");
3216 ffio_wfourcc(pb, "appl");
3223 /* helper function to write a data tag with the specified string as data */
3224 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
3227 int size = 16 + strlen(data);
3228 avio_wb32(pb, size); /* size */
3229 ffio_wfourcc(pb, "data");
3232 avio_write(pb, data, strlen(data));
3236 lang = ff_mov_iso639_to_lang("und", 1);
3237 avio_wb16(pb, strlen(data)); /* string length */
3238 avio_wb16(pb, lang);
3239 avio_write(pb, data, strlen(data));
3240 return strlen(data) + 4;
3244 static int mov_write_string_tag(AVIOContext *pb, const char *name,
3245 const char *value, int lang, int long_style)
3248 if (value && value[0]) {
3249 int64_t pos = avio_tell(pb);
3250 avio_wb32(pb, 0); /* size */
3251 ffio_wfourcc(pb, name);
3252 mov_write_string_data_tag(pb, value, lang, long_style);
3253 size = update_size(pb, pos);
3258 static AVDictionaryEntry *get_metadata_lang(AVFormatContext *s,
3259 const char *tag, int *lang)
3262 AVDictionaryEntry *t, *t2 = NULL;
3267 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3270 len = strlen(t->key);
3271 snprintf(tag2, sizeof(tag2), "%s-", tag);
3272 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
3273 len2 = strlen(t2->key);
3274 if (len2 == len + 4 && !strcmp(t->value, t2->value)
3275 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
3283 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
3284 const char *name, const char *tag,
3288 AVDictionaryEntry *t = get_metadata_lang(s, tag, &lang);
3291 return mov_write_string_tag(pb, name, t->value, lang, long_style);
3294 /* iTunes bpm number */
3295 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
3297 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
3298 int size = 0, tmpo = t ? atoi(t->value) : 0;
3301 avio_wb32(pb, size);
3302 ffio_wfourcc(pb, "tmpo");
3303 avio_wb32(pb, size-8); /* size */
3304 ffio_wfourcc(pb, "data");
3305 avio_wb32(pb, 0x15); //type specifier
3307 avio_wb16(pb, tmpo); // data
3312 /* 3GPP TS 26.244 */
3313 static int mov_write_loci_tag(AVFormatContext *s, AVIOContext *pb)
3316 int64_t pos = avio_tell(pb);
3317 double latitude, longitude, altitude;
3318 int32_t latitude_fix, longitude_fix, altitude_fix;
3319 AVDictionaryEntry *t = get_metadata_lang(s, "location", &lang);
3320 const char *ptr, *place = "";
3322 static const char *astronomical_body = "earth";
3327 longitude = strtod(ptr, &end);
3329 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3333 latitude = strtod(ptr, &end);
3335 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3339 altitude = strtod(ptr, &end);
3340 /* If no altitude was present, the default 0 should be fine */
3344 latitude_fix = (int32_t) ((1 << 16) * latitude);
3345 longitude_fix = (int32_t) ((1 << 16) * longitude);
3346 altitude_fix = (int32_t) ((1 << 16) * altitude);
3348 avio_wb32(pb, 0); /* size */
3349 ffio_wfourcc(pb, "loci"); /* type */
3350 avio_wb32(pb, 0); /* version + flags */
3351 avio_wb16(pb, lang);
3352 avio_write(pb, place, strlen(place) + 1);
3353 avio_w8(pb, 0); /* role of place (0 == shooting location, 1 == real location, 2 == fictional location) */
3354 avio_wb32(pb, latitude_fix);
3355 avio_wb32(pb, longitude_fix);
3356 avio_wb32(pb, altitude_fix);
3357 avio_write(pb, astronomical_body, strlen(astronomical_body) + 1);
3358 avio_w8(pb, 0); /* additional notes, null terminated string */
3360 return update_size(pb, pos);
3363 /* iTunes track or disc number */
3364 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
3365 AVFormatContext *s, int disc)
3367 AVDictionaryEntry *t = av_dict_get(s->metadata,
3368 disc ? "disc" : "track",
3370 int size = 0, track = t ? atoi(t->value) : 0;
3373 char *slash = strchr(t->value, '/');
3375 tracks = atoi(slash + 1);
3376 avio_wb32(pb, 32); /* size */
3377 ffio_wfourcc(pb, disc ? "disk" : "trkn");
3378 avio_wb32(pb, 24); /* size */
3379 ffio_wfourcc(pb, "data");
3380 avio_wb32(pb, 0); // 8 bytes empty
3382 avio_wb16(pb, 0); // empty
3383 avio_wb16(pb, track); // track / disc number
3384 avio_wb16(pb, tracks); // total track / disc number
3385 avio_wb16(pb, 0); // empty
3391 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
3392 const char *name, const char *tag,
3395 AVDictionaryEntry *t = NULL;
3397 int size = 24 + len;
3399 if (len != 1 && len != 4)
3402 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3404 num = atoi(t->value);
3406 avio_wb32(pb, size);
3407 ffio_wfourcc(pb, name);
3408 avio_wb32(pb, size - 8);
3409 ffio_wfourcc(pb, "data");
3410 avio_wb32(pb, 0x15);
3412 if (len==4) avio_wb32(pb, num);
3413 else avio_w8 (pb, num);
3418 /* iTunes meta data list */
3419 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3422 int64_t pos = avio_tell(pb);
3423 avio_wb32(pb, 0); /* size */
3424 ffio_wfourcc(pb, "ilst");
3425 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
3426 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
3427 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
3428 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
3429 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
3430 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
3431 if (!mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1)) {
3432 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3433 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
3435 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
3436 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
3437 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
3438 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
3439 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
3440 mov_write_string_metadata(s, pb, "desc", "description",1);
3441 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
3442 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
3443 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
3444 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
3445 mov_write_string_metadata(s, pb, "keyw", "keywords" , 1);
3446 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
3447 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
3448 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
3449 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
3450 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
3451 mov_write_int8_metadata (s, pb, "cpil", "compilation", 1);
3452 mov_write_trkn_tag(pb, mov, s, 0); // track number
3453 mov_write_trkn_tag(pb, mov, s, 1); // disc number
3454 mov_write_tmpo_tag(pb, s);
3455 return update_size(pb, pos);
3458 static int mov_write_mdta_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3461 avio_wb32(pb, 33); /* size */
3462 ffio_wfourcc(pb, "hdlr");
3465 ffio_wfourcc(pb, "mdta");
3473 static int mov_write_mdta_keys_tag(AVIOContext *pb, MOVMuxContext *mov,
3476 AVDictionaryEntry *t = NULL;
3477 int64_t pos = avio_tell(pb);
3478 int64_t curpos, entry_pos;
3481 avio_wb32(pb, 0); /* size */
3482 ffio_wfourcc(pb, "keys");
3484 entry_pos = avio_tell(pb);
3485 avio_wb32(pb, 0); /* entry count */
3487 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3488 avio_wb32(pb, strlen(t->key) + 8);
3489 ffio_wfourcc(pb, "mdta");
3490 avio_write(pb, t->key, strlen(t->key));
3493 curpos = avio_tell(pb);
3494 avio_seek(pb, entry_pos, SEEK_SET);
3495 avio_wb32(pb, count); // rewrite entry count
3496 avio_seek(pb, curpos, SEEK_SET);
3498 return update_size(pb, pos);
3501 static int mov_write_mdta_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3504 AVDictionaryEntry *t = NULL;
3505 int64_t pos = avio_tell(pb);
3506 int count = 1; /* keys are 1-index based */
3508 avio_wb32(pb, 0); /* size */
3509 ffio_wfourcc(pb, "ilst");
3511 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3512 int64_t entry_pos = avio_tell(pb);
3513 avio_wb32(pb, 0); /* size */
3514 avio_wb32(pb, count); /* key */
3515 mov_write_string_data_tag(pb, t->value, 0, 1);
3516 update_size(pb, entry_pos);
3519 return update_size(pb, pos);
3522 /* meta data tags */
3523 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
3527 int64_t pos = avio_tell(pb);
3528 avio_wb32(pb, 0); /* size */
3529 ffio_wfourcc(pb, "meta");
3531 if (mov->flags & FF_MOV_FLAG_USE_MDTA) {
3532 mov_write_mdta_hdlr_tag(pb, mov, s);
3533 mov_write_mdta_keys_tag(pb, mov, s);
3534 mov_write_mdta_ilst_tag(pb, mov, s);
3537 /* iTunes metadata tag */
3538 mov_write_itunes_hdlr_tag(pb, mov, s);
3539 mov_write_ilst_tag(pb, mov, s);
3541 size = update_size(pb, pos);
3545 static int mov_write_raw_metadata_tag(AVFormatContext *s, AVIOContext *pb,
3546 const char *name, const char *key)
3549 AVDictionaryEntry *t;
3551 if (!(t = av_dict_get(s->metadata, key, NULL, 0)))
3554 len = strlen(t->value);
3557 avio_wb32(pb, size);
3558 ffio_wfourcc(pb, name);
3559 avio_write(pb, t->value, len);
3565 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
3569 GET_UTF8(val, *b++, return -1;)
3572 avio_wb16(pb, 0x00);
3576 static uint16_t language_code(const char *str)
3578 return (((str[0] - 0x60) & 0x1F) << 10) +
3579 (((str[1] - 0x60) & 0x1F) << 5) +
3580 (( str[2] - 0x60) & 0x1F);
3583 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
3584 const char *tag, const char *str)
3586 int64_t pos = avio_tell(pb);
3587 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
3588 if (!t || !utf8len(t->value))
3590 avio_wb32(pb, 0); /* size */
3591 ffio_wfourcc(pb, tag); /* type */
3592 avio_wb32(pb, 0); /* version + flags */
3593 if (!strcmp(tag, "yrrc"))
3594 avio_wb16(pb, atoi(t->value));
3596 avio_wb16(pb, language_code("eng")); /* language */
3597 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
3598 if (!strcmp(tag, "albm") &&
3599 (t = av_dict_get(s->metadata, "track", NULL, 0)))
3600 avio_w8(pb, atoi(t->value));
3602 return update_size(pb, pos);
3605 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
3607 int64_t pos = avio_tell(pb);
3608 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
3610 avio_wb32(pb, 0); // size
3611 ffio_wfourcc(pb, "chpl");
3612 avio_wb32(pb, 0x01000000); // version + flags
3613 avio_wb32(pb, 0); // unknown
3614 avio_w8(pb, nb_chapters);
3616 for (i = 0; i < nb_chapters; i++) {
3617 AVChapter *c = s->chapters[i];
3618 AVDictionaryEntry *t;
3619 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
3621 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3622 int len = FFMIN(strlen(t->value), 255);
3624 avio_write(pb, t->value, len);
3628 return update_size(pb, pos);
3631 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3634 AVIOContext *pb_buf;
3638 ret = avio_open_dyn_buf(&pb_buf);
3642 if (mov->mode & MODE_3GP) {
3643 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
3644 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
3645 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
3646 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
3647 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
3648 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
3649 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
3650 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
3651 mov_write_loci_tag(s, pb_buf);
3652 } 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
3653 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
3654 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
3655 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
3656 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
3657 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
3658 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
3659 // currently ignored by mov.c
3660 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
3661 // add support for libquicktime, this atom is also actually read by mov.c
3662 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
3663 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
3664 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
3665 mov_write_string_metadata(s, pb_buf, "\251mak", "make", 0);
3666 mov_write_string_metadata(s, pb_buf, "\251mod", "model", 0);
3667 mov_write_string_metadata(s, pb_buf, "\251xyz", "location", 0);
3668 mov_write_string_metadata(s, pb_buf, "\251key", "keywords", 0);
3669 mov_write_raw_metadata_tag(s, pb_buf, "XMP_", "xmp");
3671 /* iTunes meta data */
3672 mov_write_meta_tag(pb_buf, mov, s);
3673 mov_write_loci_tag(s, pb_buf);
3676 if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
3677 mov_write_chpl_tag(pb_buf, s);
3679 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
3680 avio_wb32(pb, size + 8);
3681 ffio_wfourcc(pb, "udta");
3682 avio_write(pb, buf, size);
3689 static void mov_write_psp_udta_tag(AVIOContext *pb,
3690 const char *str, const char *lang, int type)
3692 int len = utf8len(str) + 1;
3695 avio_wb16(pb, len * 2 + 10); /* size */
3696 avio_wb32(pb, type); /* type */
3697 avio_wb16(pb, language_code(lang)); /* language */
3698 avio_wb16(pb, 0x01); /* ? */
3699 ascii_to_wc(pb, str);
3702 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
3704 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
3708 pos = avio_tell(pb);
3709 avio_wb32(pb, 0); /* size placeholder*/
3710 ffio_wfourcc(pb, "uuid");
3711 ffio_wfourcc(pb, "USMT");
3712 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
3713 avio_wb32(pb, 0xbb88695c);
3714 avio_wb32(pb, 0xfac9c740);
3716 pos2 = avio_tell(pb);
3717 avio_wb32(pb, 0); /* size placeholder*/
3718 ffio_wfourcc(pb, "MTDT");
3722 avio_wb16(pb, 0x0C); /* size */
3723 avio_wb32(pb, 0x0B); /* type */
3724 avio_wb16(pb, language_code("und")); /* language */
3725 avio_wb16(pb, 0x0); /* ? */
3726 avio_wb16(pb, 0x021C); /* data */
3728 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3729 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
3730 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
3731 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
3733 update_size(pb, pos2);
3734 return update_size(pb, pos);
3740 static void build_chunks(MOVTrack *trk)
3743 MOVIentry *chunk = &trk->cluster[0];
3744 uint64_t chunkSize = chunk->size;
3745 chunk->chunkNum = 1;
3746 if (trk->chunkCount)
3748 trk->chunkCount = 1;
3749 for (i = 1; i<trk->entry; i++){
3750 if (chunk->pos + chunkSize == trk->cluster[i].pos &&
3751 chunkSize + trk->cluster[i].size < (1<<20)){
3752 chunkSize += trk->cluster[i].size;
3753 chunk->samples_in_chunk += trk->cluster[i].entries;
3755 trk->cluster[i].chunkNum = chunk->chunkNum+1;
3756 chunk=&trk->cluster[i];
3757 chunkSize = chunk->size;
3764 * Assign track ids. If option "use_stream_ids_as_track_ids" is set,
3765 * the stream ids are used as track ids.
3767 * This assumes mov->tracks and s->streams are in the same order and
3768 * there are no gaps in either of them (so mov->tracks[n] refers to
3771 * As an exception, there can be more entries in
3772 * s->streams than in mov->tracks, in which case new track ids are
3773 * generated (starting after the largest found stream id).
3775 static int mov_setup_track_ids(MOVMuxContext *mov, AVFormatContext *s)
3779 if (mov->track_ids_ok)
3782 if (mov->use_stream_ids_as_track_ids) {
3783 int next_generated_track_id = 0;
3784 for (i = 0; i < s->nb_streams; i++) {
3785 if (s->streams[i]->id > next_generated_track_id)
3786 next_generated_track_id = s->streams[i]->id;
3789 for (i = 0; i < mov->nb_streams; i++) {
3790 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3793 mov->tracks[i].track_id = i >= s->nb_streams ? ++next_generated_track_id : s->streams[i]->id;
3796 for (i = 0; i < mov->nb_streams; i++) {
3797 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3800 mov->tracks[i].track_id = i + 1;
3804 mov->track_ids_ok = 1;
3809 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
3813 int64_t pos = avio_tell(pb);
3814 avio_wb32(pb, 0); /* size placeholder*/
3815 ffio_wfourcc(pb, "moov");
3817 mov_setup_track_ids(mov, s);
3819 for (i = 0; i < mov->nb_streams; i++) {
3820 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3823 mov->tracks[i].time = mov->time;
3825 if (mov->tracks[i].entry)
3826 build_chunks(&mov->tracks[i]);
3829 if (mov->chapter_track)
3830 for (i = 0; i < s->nb_streams; i++) {
3831 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
3832 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
3834 for (i = 0; i < mov->nb_streams; i++) {
3835 MOVTrack *track = &mov->tracks[i];
3836 if (track->tag == MKTAG('r','t','p',' ')) {
3837 track->tref_tag = MKTAG('h','i','n','t');
3838 track->tref_id = mov->tracks[track->src_track].track_id;
3839 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
3840 int * fallback, size;
3841 fallback = (int*)av_stream_get_side_data(track->st,
3842 AV_PKT_DATA_FALLBACK_TRACK,
3844 if (fallback != NULL && size == sizeof(int)) {
3845 if (*fallback >= 0 && *fallback < mov->nb_streams) {
3846 track->tref_tag = MKTAG('f','a','l','l');
3847 track->tref_id = mov->tracks[*fallback].track_id;
3852 for (i = 0; i < mov->nb_streams; i++) {
3853 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
3854 int src_trk = mov->tracks[i].src_track;
3855 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
3856 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
3857 //src_trk may have a different timescale than the tmcd track
3858 mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration,
3859 mov->tracks[i].timescale,
3860 mov->tracks[src_trk].timescale);
3864 mov_write_mvhd_tag(pb, mov);
3865 if (mov->mode != MODE_MOV && !mov->iods_skip)
3866 mov_write_iods_tag(pb, mov);
3867 for (i = 0; i < mov->nb_streams; i++) {
3868 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
3869 int ret = mov_write_trak_tag(s, pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
3874 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
3875 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
3877 if (mov->mode == MODE_PSP)
3878 mov_write_uuidusmt_tag(pb, s);
3880 mov_write_udta_tag(pb, mov, s);
3882 return update_size(pb, pos);
3885 static void param_write_int(AVIOContext *pb, const char *name, int value)
3887 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
3890 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
3892 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
3895 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
3898 len = FFMIN(sizeof(buf) / 2 - 1, len);
3899 ff_data_to_hex(buf, value, len, 0);
3900 buf[2 * len] = '\0';
3901 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
3904 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
3906 int64_t pos = avio_tell(pb);
3908 int64_t manifest_bit_rate = 0;
3909 AVCPBProperties *props = NULL;
3911 static const uint8_t uuid[] = {
3912 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
3913 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
3917 ffio_wfourcc(pb, "uuid");
3918 avio_write(pb, uuid, sizeof(uuid));
3921 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
3922 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
3923 avio_printf(pb, "<head>\n");
3924 if (!(mov->fc->flags & AVFMT_FLAG_BITEXACT))
3925 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
3927 avio_printf(pb, "</head>\n");
3928 avio_printf(pb, "<body>\n");
3929 avio_printf(pb, "<switch>\n");
3931 mov_setup_track_ids(mov, s);
3933 for (i = 0; i < mov->nb_streams; i++) {
3934 MOVTrack *track = &mov->tracks[i];
3936 int track_id = track->track_id;
3937 char track_name_buf[32] = { 0 };
3939 AVStream *st = track->st;
3940 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
3942 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
3944 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
3950 props = (AVCPBProperties*)av_stream_get_side_data(track->st, AV_PKT_DATA_CPB_PROPERTIES, NULL);
3952 if (track->par->bit_rate) {
3953 manifest_bit_rate = track->par->bit_rate;
3955 manifest_bit_rate = props->max_bitrate;
3958 avio_printf(pb, "<%s systemBitrate=\"%"PRId64"\">\n", type,
3960 param_write_int(pb, "systemBitrate", manifest_bit_rate);
3961 param_write_int(pb, "trackID", track_id);
3962 param_write_string(pb, "systemLanguage", lang ? lang->value : "und");
3964 /* Build track name piece by piece: */
3966 av_strlcat(track_name_buf, type, sizeof(track_name_buf));
3967 /* 2. track language, if available */
3969 av_strlcatf(track_name_buf, sizeof(track_name_buf),
3970 "_%s", lang->value);
3971 /* 3. special type suffix */
3972 /* "_cc" = closed captions, "_ad" = audio_description */
3973 if (st->disposition & AV_DISPOSITION_HEARING_IMPAIRED)
3974 av_strlcat(track_name_buf, "_cc", sizeof(track_name_buf));
3975 else if (st->disposition & AV_DISPOSITION_VISUAL_IMPAIRED)
3976 av_strlcat(track_name_buf, "_ad", sizeof(track_name_buf));
3978 param_write_string(pb, "trackName", track_name_buf);
3980 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
3981 if (track->par->codec_id == AV_CODEC_ID_H264) {
3983 int size = track->par->extradata_size;
3984 if (!ff_avc_write_annexb_extradata(track->par->extradata, &ptr,
3986 param_write_hex(pb, "CodecPrivateData",
3987 ptr ? ptr : track->par->extradata,
3991 param_write_string(pb, "FourCC", "H264");
3992 } else if (track->par->codec_id == AV_CODEC_ID_VC1) {
3993 param_write_string(pb, "FourCC", "WVC1");
3994 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
3995 track->par->extradata_size);
3997 param_write_int(pb, "MaxWidth", track->par->width);
3998 param_write_int(pb, "MaxHeight", track->par->height);
3999 param_write_int(pb, "DisplayWidth", track->par->width);
4000 param_write_int(pb, "DisplayHeight", track->par->height);
4002 if (track->par->codec_id == AV_CODEC_ID_AAC) {
4003 switch (track->par->profile)
4005 case FF_PROFILE_AAC_HE_V2:
4006 param_write_string(pb, "FourCC", "AACP");
4008 case FF_PROFILE_AAC_HE:
4009 param_write_string(pb, "FourCC", "AACH");
4012 param_write_string(pb, "FourCC", "AACL");
4014 } else if (track->par->codec_id == AV_CODEC_ID_WMAPRO) {
4015 param_write_string(pb, "FourCC", "WMAP");
4017 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
4018 track->par->extradata_size);
4019 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
4020 track->par->codec_id));
4021 param_write_int(pb, "Channels", track->par->channels);
4022 param_write_int(pb, "SamplingRate", track->par->sample_rate);
4023 param_write_int(pb, "BitsPerSample", 16);
4024 param_write_int(pb, "PacketSize", track->par->block_align ?
4025 track->par->block_align : 4);
4027 avio_printf(pb, "</%s>\n", type);
4029 avio_printf(pb, "</switch>\n");
4030 avio_printf(pb, "</body>\n");
4031 avio_printf(pb, "</smil>\n");
4033 return update_size(pb, pos);
4036 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
4039 ffio_wfourcc(pb, "mfhd");
4041 avio_wb32(pb, mov->fragments);
4045 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
4047 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
4048 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
4051 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
4052 MOVTrack *track, int64_t moof_offset)
4054 int64_t pos = avio_tell(pb);
4055 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
4056 MOV_TFHD_BASE_DATA_OFFSET;
4057 if (!track->entry) {
4058 flags |= MOV_TFHD_DURATION_IS_EMPTY;
4060 flags |= MOV_TFHD_DEFAULT_FLAGS;
4062 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
4063 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
4064 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) {
4065 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
4066 flags |= MOV_TFHD_DEFAULT_BASE_IS_MOOF;
4069 /* Don't set a default sample size, the silverlight player refuses
4070 * to play files with that set. Don't set a default sample duration,
4071 * WMP freaks out if it is set. Don't set a base data offset, PIFF
4072 * file format says it MUST NOT be set. */
4073 if (track->mode == MODE_ISM)
4074 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
4075 MOV_TFHD_BASE_DATA_OFFSET);
4077 avio_wb32(pb, 0); /* size placeholder */
4078 ffio_wfourcc(pb, "tfhd");
4079 avio_w8(pb, 0); /* version */
4080 avio_wb24(pb, flags);
4082 avio_wb32(pb, track->track_id); /* track-id */
4083 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
4084 avio_wb64(pb, moof_offset);
4085 if (flags & MOV_TFHD_DEFAULT_DURATION) {
4086 track->default_duration = get_cluster_duration(track, 0);
4087 avio_wb32(pb, track->default_duration);
4089 if (flags & MOV_TFHD_DEFAULT_SIZE) {
4090 track->default_size = track->entry ? track->cluster[0].size : 1;
4091 avio_wb32(pb, track->default_size);
4093 track->default_size = -1;
4095 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
4096 /* Set the default flags based on the second sample, if available.
4097 * If the first sample is different, that can be signaled via a separate field. */
4098 if (track->entry > 1)
4099 track->default_sample_flags = get_sample_flags(track, &track->cluster[1]);
4101 track->default_sample_flags =
4102 track->par->codec_type == AVMEDIA_TYPE_VIDEO ?
4103 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
4104 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
4105 avio_wb32(pb, track->default_sample_flags);
4108 return update_size(pb, pos);
4111 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
4112 MOVTrack *track, int moof_size,
4115 int64_t pos = avio_tell(pb);
4116 uint32_t flags = MOV_TRUN_DATA_OFFSET;
4119 for (i = first; i < end; i++) {
4120 if (get_cluster_duration(track, i) != track->default_duration)
4121 flags |= MOV_TRUN_SAMPLE_DURATION;
4122 if (track->cluster[i].size != track->default_size)
4123 flags |= MOV_TRUN_SAMPLE_SIZE;
4124 if (i > first && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
4125 flags |= MOV_TRUN_SAMPLE_FLAGS;
4127 if (!(flags & MOV_TRUN_SAMPLE_FLAGS) && track->entry > 0 &&
4128 get_sample_flags(track, &track->cluster[0]) != track->default_sample_flags)
4129 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
4130 if (track->flags & MOV_TRACK_CTTS)
4131 flags |= MOV_TRUN_SAMPLE_CTS;
4133 avio_wb32(pb, 0); /* size placeholder */
4134 ffio_wfourcc(pb, "trun");
4135 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4136 avio_w8(pb, 1); /* version */
4138 avio_w8(pb, 0); /* version */
4139 avio_wb24(pb, flags);
4141 avio_wb32(pb, end - first); /* sample count */
4142 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
4143 !(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) &&
4145 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
4147 avio_wb32(pb, moof_size + 8 + track->data_offset +
4148 track->cluster[first].pos); /* data offset */
4149 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
4150 avio_wb32(pb, get_sample_flags(track, &track->cluster[first]));
4152 for (i = first; i < end; i++) {
4153 if (flags & MOV_TRUN_SAMPLE_DURATION)
4154 avio_wb32(pb, get_cluster_duration(track, i));
4155 if (flags & MOV_TRUN_SAMPLE_SIZE)
4156 avio_wb32(pb, track->cluster[i].size);
4157 if (flags & MOV_TRUN_SAMPLE_FLAGS)
4158 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
4159 if (flags & MOV_TRUN_SAMPLE_CTS)
4160 avio_wb32(pb, track->cluster[i].cts);
4163 mov->first_trun = 0;
4164 return update_size(pb, pos);
4167 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
4169 int64_t pos = avio_tell(pb);
4170 static const uint8_t uuid[] = {
4171 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
4172 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
4175 avio_wb32(pb, 0); /* size placeholder */
4176 ffio_wfourcc(pb, "uuid");
4177 avio_write(pb, uuid, sizeof(uuid));
4180 avio_wb64(pb, track->start_dts + track->frag_start +
4181 track->cluster[0].cts);
4182 avio_wb64(pb, track->end_pts -
4183 (track->cluster[0].dts + track->cluster[0].cts));
4185 return update_size(pb, pos);
4188 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
4189 MOVTrack *track, int entry)
4191 int n = track->nb_frag_info - 1 - entry, i;
4192 int size = 8 + 16 + 4 + 1 + 16*n;
4193 static const uint8_t uuid[] = {
4194 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
4195 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
4201 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
4202 avio_wb32(pb, size);
4203 ffio_wfourcc(pb, "uuid");
4204 avio_write(pb, uuid, sizeof(uuid));
4208 for (i = 0; i < n; i++) {
4209 int index = entry + 1 + i;
4210 avio_wb64(pb, track->frag_info[index].time);
4211 avio_wb64(pb, track->frag_info[index].duration);
4213 if (n < mov->ism_lookahead) {
4214 int free_size = 16 * (mov->ism_lookahead - n);
4215 avio_wb32(pb, free_size);
4216 ffio_wfourcc(pb, "free");
4217 ffio_fill(pb, 0, free_size - 8);
4223 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
4226 int64_t pos = avio_tell(pb);
4228 for (i = 0; i < mov->ism_lookahead; i++) {
4229 /* Update the tfrf tag for the last ism_lookahead fragments,
4230 * nb_frag_info - 1 is the next fragment to be written. */
4231 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
4233 avio_seek(pb, pos, SEEK_SET);
4237 static int mov_add_tfra_entries(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4241 for (i = 0; i < mov->nb_streams; i++) {
4242 MOVTrack *track = &mov->tracks[i];
4243 MOVFragmentInfo *info;
4244 if ((tracks >= 0 && i != tracks) || !track->entry)
4246 track->nb_frag_info++;
4247 if (track->nb_frag_info >= track->frag_info_capacity) {
4248 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
4249 if (av_reallocp_array(&track->frag_info,
4251 sizeof(*track->frag_info)))
4252 return AVERROR(ENOMEM);
4253 track->frag_info_capacity = new_capacity;
4255 info = &track->frag_info[track->nb_frag_info - 1];
4256 info->offset = avio_tell(pb);
4258 // Try to recreate the original pts for the first packet
4259 // from the fields we have stored
4260 info->time = track->start_dts + track->frag_start +
4261 track->cluster[0].cts;
4262 info->duration = track->end_pts -
4263 (track->cluster[0].dts + track->cluster[0].cts);
4264 // If the pts is less than zero, we will have trimmed
4265 // away parts of the media track using an edit list,
4266 // and the corresponding start presentation time is zero.
4267 if (info->time < 0) {
4268 info->duration += info->time;
4271 info->tfrf_offset = 0;
4272 mov_write_tfrf_tags(pb, mov, track);
4277 static void mov_prune_frag_info(MOVMuxContext *mov, int tracks, int max)
4280 for (i = 0; i < mov->nb_streams; i++) {
4281 MOVTrack *track = &mov->tracks[i];
4282 if ((tracks >= 0 && i != tracks) || !track->entry)
4284 if (track->nb_frag_info > max) {
4285 memmove(track->frag_info, track->frag_info + (track->nb_frag_info - max), max * sizeof(*track->frag_info));
4286 track->nb_frag_info = max;
4291 static int mov_write_tfdt_tag(AVIOContext *pb, MOVTrack *track)
4293 int64_t pos = avio_tell(pb);
4295 avio_wb32(pb, 0); /* size */
4296 ffio_wfourcc(pb, "tfdt");
4297 avio_w8(pb, 1); /* version */
4299 avio_wb64(pb, track->frag_start);
4300 return update_size(pb, pos);
4303 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
4304 MOVTrack *track, int64_t moof_offset,
4307 int64_t pos = avio_tell(pb);
4309 avio_wb32(pb, 0); /* size placeholder */
4310 ffio_wfourcc(pb, "traf");
4312 mov_write_tfhd_tag(pb, mov, track, moof_offset);
4313 if (mov->mode != MODE_ISM)
4314 mov_write_tfdt_tag(pb, track);
4315 for (i = 1; i < track->entry; i++) {
4316 if (track->cluster[i].pos != track->cluster[i - 1].pos + track->cluster[i - 1].size) {
4317 mov_write_trun_tag(pb, mov, track, moof_size, start, i);
4321 mov_write_trun_tag(pb, mov, track, moof_size, start, track->entry);
4322 if (mov->mode == MODE_ISM) {
4323 mov_write_tfxd_tag(pb, track);
4325 if (mov->ism_lookahead) {
4326 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
4328 if (track->nb_frag_info > 0) {
4329 MOVFragmentInfo *info = &track->frag_info[track->nb_frag_info - 1];
4330 if (!info->tfrf_offset)
4331 info->tfrf_offset = avio_tell(pb);
4333 avio_wb32(pb, 8 + size);
4334 ffio_wfourcc(pb, "free");
4335 for (i = 0; i < size; i++)
4340 return update_size(pb, pos);
4343 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
4344 int tracks, int moof_size)
4346 int64_t pos = avio_tell(pb);
4349 avio_wb32(pb, 0); /* size placeholder */
4350 ffio_wfourcc(pb, "moof");
4351 mov->first_trun = 1;
4353 mov_write_mfhd_tag(pb, mov);
4354 for (i = 0; i < mov->nb_streams; i++) {
4355 MOVTrack *track = &mov->tracks[i];
4356 if (tracks >= 0 && i != tracks)
4360 mov_write_traf_tag(pb, mov, track, pos, moof_size);
4363 return update_size(pb, pos);
4366 static int mov_write_sidx_tag(AVIOContext *pb,
4367 MOVTrack *track, int ref_size, int total_sidx_size)
4369 int64_t pos = avio_tell(pb), offset_pos, end_pos;
4370 int64_t presentation_time, duration, offset;
4371 int starts_with_SAP, i, entries;
4375 presentation_time = track->start_dts + track->frag_start +
4376 track->cluster[0].cts;
4377 duration = track->end_pts -
4378 (track->cluster[0].dts + track->cluster[0].cts);
4379 starts_with_SAP = track->cluster[0].flags & MOV_SYNC_SAMPLE;
4381 // pts<0 should be cut away using edts
4382 if (presentation_time < 0) {
4383 duration += presentation_time;
4384 presentation_time = 0;
4387 entries = track->nb_frag_info;
4390 presentation_time = track->frag_info[0].time;
4393 avio_wb32(pb, 0); /* size */
4394 ffio_wfourcc(pb, "sidx");
4395 avio_w8(pb, 1); /* version */
4397 avio_wb32(pb, track->track_id); /* reference_ID */
4398 avio_wb32(pb, track->timescale); /* timescale */
4399 avio_wb64(pb, presentation_time); /* earliest_presentation_time */
4400 offset_pos = avio_tell(pb);
4401 avio_wb64(pb, 0); /* first_offset (offset to referenced moof) */
4402 avio_wb16(pb, 0); /* reserved */
4404 avio_wb16(pb, entries); /* reference_count */
4405 for (i = 0; i < entries; i++) {
4406 if (!track->entry) {
4407 if (i > 1 && track->frag_info[i].offset != track->frag_info[i - 1].offset + track->frag_info[i - 1].size) {
4408 av_log(NULL, AV_LOG_ERROR, "Non-consecutive fragments, writing incorrect sidx\n");
4410 duration = track->frag_info[i].duration;
4411 ref_size = track->frag_info[i].size;
4412 starts_with_SAP = 1;
4414 avio_wb32(pb, (0 << 31) | (ref_size & 0x7fffffff)); /* reference_type (0 = media) | referenced_size */
4415 avio_wb32(pb, duration); /* subsegment_duration */
4416 avio_wb32(pb, (starts_with_SAP << 31) | (0 << 28) | 0); /* starts_with_SAP | SAP_type | SAP_delta_time */
4419 end_pos = avio_tell(pb);
4420 offset = pos + total_sidx_size - end_pos;
4421 avio_seek(pb, offset_pos, SEEK_SET);
4422 avio_wb64(pb, offset);
4423 avio_seek(pb, end_pos, SEEK_SET);
4424 return update_size(pb, pos);
4427 static int mov_write_sidx_tags(AVIOContext *pb, MOVMuxContext *mov,
4428 int tracks, int ref_size)
4431 AVIOContext *avio_buf;
4433 for (round = 0; round < 2; round++) {
4434 // First run one round to calculate the total size of all
4436 // This would be much simpler if we'd only write one sidx
4437 // atom, for the first track in the moof.
4439 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4444 for (i = 0; i < mov->nb_streams; i++) {
4445 MOVTrack *track = &mov->tracks[i];
4446 if (tracks >= 0 && i != tracks)
4448 // When writing a sidx for the full file, entry is 0, but
4449 // we want to include all tracks. ref_size is 0 in this case,
4450 // since we read it from frag_info instead.
4451 if (!track->entry && ref_size > 0)
4453 total_size -= mov_write_sidx_tag(avio_buf, track, ref_size,
4457 total_size = ffio_close_null_buf(avio_buf);
4462 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4465 AVIOContext *avio_buf;
4468 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4470 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
4471 moof_size = ffio_close_null_buf(avio_buf);
4473 if (mov->flags & FF_MOV_FLAG_DASH && !(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX))
4474 mov_write_sidx_tags(pb, mov, tracks, moof_size + 8 + mdat_size);
4476 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX ||
4477 !(mov->flags & FF_MOV_FLAG_SKIP_TRAILER) ||
4478 mov->ism_lookahead) {
4479 if ((ret = mov_add_tfra_entries(pb, mov, tracks, moof_size + 8 + mdat_size)) < 0)
4481 if (!(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) &&
4482 mov->flags & FF_MOV_FLAG_SKIP_TRAILER) {
4483 mov_prune_frag_info(mov, tracks, mov->ism_lookahead + 1);
4487 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
4490 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
4492 int64_t pos = avio_tell(pb);
4495 avio_wb32(pb, 0); /* size placeholder */
4496 ffio_wfourcc(pb, "tfra");
4497 avio_w8(pb, 1); /* version */
4500 avio_wb32(pb, track->track_id);
4501 avio_wb32(pb, 0); /* length of traf/trun/sample num */
4502 avio_wb32(pb, track->nb_frag_info);
4503 for (i = 0; i < track->nb_frag_info; i++) {
4504 avio_wb64(pb, track->frag_info[i].time);
4505 avio_wb64(pb, track->frag_info[i].offset + track->data_offset);
4506 avio_w8(pb, 1); /* traf number */
4507 avio_w8(pb, 1); /* trun number */
4508 avio_w8(pb, 1); /* sample number */
4511 return update_size(pb, pos);
4514 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
4516 int64_t pos = avio_tell(pb);
4519 avio_wb32(pb, 0); /* size placeholder */
4520 ffio_wfourcc(pb, "mfra");
4521 /* An empty mfra atom is enough to indicate to the publishing point that
4522 * the stream has ended. */
4523 if (mov->flags & FF_MOV_FLAG_ISML)
4524 return update_size(pb, pos);
4526 for (i = 0; i < mov->nb_streams; i++) {
4527 MOVTrack *track = &mov->tracks[i];
4528 if (track->nb_frag_info)
4529 mov_write_tfra_tag(pb, track);
4533 ffio_wfourcc(pb, "mfro");
4534 avio_wb32(pb, 0); /* version + flags */
4535 avio_wb32(pb, avio_tell(pb) + 4 - pos);
4537 return update_size(pb, pos);
4540 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
4542 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
4543 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
4545 mov->mdat_pos = avio_tell(pb);
4546 avio_wb32(pb, 0); /* size placeholder*/
4547 ffio_wfourcc(pb, "mdat");
4551 /* TODO: This needs to be more general */
4552 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
4554 MOVMuxContext *mov = s->priv_data;
4555 int64_t pos = avio_tell(pb);
4556 int has_h264 = 0, has_video = 0;
4560 for (i = 0; i < s->nb_streams; i++) {
4561 AVStream *st = s->streams[i];
4562 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
4564 if (st->codecpar->codec_id == AV_CODEC_ID_H264)
4568 avio_wb32(pb, 0); /* size */
4569 ffio_wfourcc(pb, "ftyp");
4571 if (mov->major_brand && strlen(mov->major_brand) >= 4)
4572 ffio_wfourcc(pb, mov->major_brand);
4573 else if (mov->mode == MODE_3GP) {
4574 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
4575 minor = has_h264 ? 0x100 : 0x200;
4576 } else if (mov->mode & MODE_3G2) {
4577 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
4578 minor = has_h264 ? 0x20000 : 0x10000;
4579 } else if (mov->mode == MODE_PSP)
4580 ffio_wfourcc(pb, "MSNV");
4581 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
4582 ffio_wfourcc(pb, "iso5"); // Required when using default-base-is-moof
4583 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4584 ffio_wfourcc(pb, "iso4");
4585 else if (mov->mode == MODE_MP4)
4586 ffio_wfourcc(pb, "isom");
4587 else if (mov->mode == MODE_IPOD)
4588 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
4589 else if (mov->mode == MODE_ISM)
4590 ffio_wfourcc(pb, "isml");
4591 else if (mov->mode == MODE_F4V)
4592 ffio_wfourcc(pb, "f4v ");
4594 ffio_wfourcc(pb, "qt ");
4596 avio_wb32(pb, minor);
4598 if (mov->mode == MODE_MOV)
4599 ffio_wfourcc(pb, "qt ");
4600 else if (mov->mode == MODE_ISM) {
4601 ffio_wfourcc(pb, "piff");
4602 } else if (!(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)) {
4603 ffio_wfourcc(pb, "isom");
4604 ffio_wfourcc(pb, "iso2");
4606 ffio_wfourcc(pb, "avc1");
4609 // We add tfdt atoms when fragmenting, signal this with the iso6 compatible
4610 // brand. This is compatible with users that don't understand tfdt.
4611 if (mov->flags & FF_MOV_FLAG_FRAGMENT && mov->mode != MODE_ISM)
4612 ffio_wfourcc(pb, "iso6");
4614 if (mov->mode == MODE_3GP)
4615 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
4616 else if (mov->mode & MODE_3G2)
4617 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
4618 else if (mov->mode == MODE_PSP)
4619 ffio_wfourcc(pb, "MSNV");
4620 else if (mov->mode == MODE_MP4)
4621 ffio_wfourcc(pb, "mp41");
4623 if (mov->flags & FF_MOV_FLAG_DASH && mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
4624 ffio_wfourcc(pb, "dash");
4626 return update_size(pb, pos);
4629 static int mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
4631 AVStream *video_st = s->streams[0];
4632 AVCodecParameters *video_par = s->streams[0]->codecpar;
4633 AVCodecParameters *audio_par = s->streams[1]->codecpar;
4634 int audio_rate = audio_par->sample_rate;
4635 int64_t frame_rate = video_st->avg_frame_rate.den ?
4636 (video_st->avg_frame_rate.num * 0x10000LL) / video_st->avg_frame_rate.den :
4638 int audio_kbitrate = audio_par->bit_rate / 1000;
4639 int video_kbitrate = FFMIN(video_par->bit_rate / 1000, 800 - audio_kbitrate);
4641 if (frame_rate < 0 || frame_rate > INT32_MAX) {
4642 av_log(s, AV_LOG_ERROR, "Frame rate %f outside supported range\n", frame_rate / (double)0x10000);
4643 return AVERROR(EINVAL);
4646 avio_wb32(pb, 0x94); /* size */
4647 ffio_wfourcc(pb, "uuid");
4648 ffio_wfourcc(pb, "PROF");
4650 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
4651 avio_wb32(pb, 0xbb88695c);
4652 avio_wb32(pb, 0xfac9c740);
4654 avio_wb32(pb, 0x0); /* ? */
4655 avio_wb32(pb, 0x3); /* 3 sections ? */
4657 avio_wb32(pb, 0x14); /* size */
4658 ffio_wfourcc(pb, "FPRF");
4659 avio_wb32(pb, 0x0); /* ? */
4660 avio_wb32(pb, 0x0); /* ? */
4661 avio_wb32(pb, 0x0); /* ? */
4663 avio_wb32(pb, 0x2c); /* size */
4664 ffio_wfourcc(pb, "APRF"); /* audio */
4666 avio_wb32(pb, 0x2); /* TrackID */
4667 ffio_wfourcc(pb, "mp4a");
4668 avio_wb32(pb, 0x20f);
4670 avio_wb32(pb, audio_kbitrate);
4671 avio_wb32(pb, audio_kbitrate);
4672 avio_wb32(pb, audio_rate);
4673 avio_wb32(pb, audio_par->channels);
4675 avio_wb32(pb, 0x34); /* size */
4676 ffio_wfourcc(pb, "VPRF"); /* video */
4678 avio_wb32(pb, 0x1); /* TrackID */
4679 if (video_par->codec_id == AV_CODEC_ID_H264) {
4680 ffio_wfourcc(pb, "avc1");
4681 avio_wb16(pb, 0x014D);
4682 avio_wb16(pb, 0x0015);
4684 ffio_wfourcc(pb, "mp4v");
4685 avio_wb16(pb, 0x0000);
4686 avio_wb16(pb, 0x0103);
4689 avio_wb32(pb, video_kbitrate);
4690 avio_wb32(pb, video_kbitrate);
4691 avio_wb32(pb, frame_rate);
4692 avio_wb32(pb, frame_rate);
4693 avio_wb16(pb, video_par->width);
4694 avio_wb16(pb, video_par->height);
4695 avio_wb32(pb, 0x010001); /* ? */
4700 static int mov_write_identification(AVIOContext *pb, AVFormatContext *s)
4702 MOVMuxContext *mov = s->priv_data;
4705 mov_write_ftyp_tag(pb,s);
4706 if (mov->mode == MODE_PSP) {
4707 int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
4708 for (i = 0; i < s->nb_streams; i++) {
4709 AVStream *st = s->streams[i];
4710 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
4712 else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
4718 if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
4719 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
4720 return AVERROR(EINVAL);
4722 return mov_write_uuidprof_tag(pb, s);
4727 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
4730 int i, closed_gop = 0;
4732 for (i = 0; i < pkt->size - 4; i++) {
4733 c = (c << 8) + pkt->data[i];
4734 if (c == 0x1b8) { // gop
4735 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
4736 } else if (c == 0x100) { // pic
4737 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
4738 if (!temp_ref || closed_gop) // I picture is not reordered
4739 *flags = MOV_SYNC_SAMPLE;
4741 *flags = MOV_PARTIAL_SYNC_SAMPLE;
4748 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk)
4750 const uint8_t *start, *next, *end = pkt->data + pkt->size;
4751 int seq = 0, entry = 0;
4752 int key = pkt->flags & AV_PKT_FLAG_KEY;
4753 start = find_next_marker(pkt->data, end);
4754 for (next = start; next < end; start = next) {
4755 next = find_next_marker(start + 4, end);
4756 switch (AV_RB32(start)) {
4757 case VC1_CODE_SEQHDR:
4760 case VC1_CODE_ENTRYPOINT:
4763 case VC1_CODE_SLICE:
4764 trk->vc1_info.slices = 1;
4768 if (!trk->entry && trk->vc1_info.first_packet_seen)
4769 trk->vc1_info.first_frag_written = 1;
4770 if (!trk->entry && !trk->vc1_info.first_frag_written) {
4771 /* First packet in first fragment */
4772 trk->vc1_info.first_packet_seq = seq;
4773 trk->vc1_info.first_packet_entry = entry;
4774 trk->vc1_info.first_packet_seen = 1;
4775 } else if ((seq && !trk->vc1_info.packet_seq) ||
4776 (entry && !trk->vc1_info.packet_entry)) {
4778 for (i = 0; i < trk->entry; i++)
4779 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
4780 trk->has_keyframes = 0;
4782 trk->vc1_info.packet_seq = 1;
4784 trk->vc1_info.packet_entry = 1;
4785 if (!trk->vc1_info.first_frag_written) {
4786 /* First fragment */
4787 if ((!seq || trk->vc1_info.first_packet_seq) &&
4788 (!entry || trk->vc1_info.first_packet_entry)) {
4789 /* First packet had the same headers as this one, readd the
4790 * sync sample flag. */
4791 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
4792 trk->has_keyframes = 1;
4796 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
4798 else if (trk->vc1_info.packet_seq)
4800 else if (trk->vc1_info.packet_entry)
4803 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
4804 trk->has_keyframes++;
4808 static int mov_flush_fragment_interleaving(AVFormatContext *s, MOVTrack *track)
4810 MOVMuxContext *mov = s->priv_data;
4815 if (!track->mdat_buf)
4817 if (!mov->mdat_buf) {
4818 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
4821 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
4822 track->mdat_buf = NULL;
4824 offset = avio_tell(mov->mdat_buf);
4825 avio_write(mov->mdat_buf, buf, buf_size);
4828 for (i = track->entries_flushed; i < track->entry; i++)
4829 track->cluster[i].pos += offset;
4830 track->entries_flushed = track->entry;
4834 static int mov_flush_fragment(AVFormatContext *s, int force)
4836 MOVMuxContext *mov = s->priv_data;
4837 int i, first_track = -1;
4838 int64_t mdat_size = 0;
4840 int has_video = 0, starts_with_key = 0, first_video_track = 1;
4842 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
4845 // Try to fill in the duration of the last packet in each stream
4846 // from queued packets in the interleave queues. If the flushing
4847 // of fragments was triggered automatically by an AVPacket, we
4848 // already have reliable info for the end of that track, but other
4849 // tracks may need to be filled in.
4850 for (i = 0; i < s->nb_streams; i++) {
4851 MOVTrack *track = &mov->tracks[i];
4852 if (!track->end_reliable) {
4854 if (!ff_interleaved_peek(s, i, &pkt, 1)) {
4855 if (track->dts_shift != AV_NOPTS_VALUE)
4856 pkt.dts += track->dts_shift;
4857 track->track_duration = pkt.dts - track->start_dts;
4858 if (pkt.pts != AV_NOPTS_VALUE)
4859 track->end_pts = pkt.pts;
4861 track->end_pts = pkt.dts;
4866 for (i = 0; i < mov->nb_streams; i++) {
4867 MOVTrack *track = &mov->tracks[i];
4868 if (track->entry <= 1)
4870 // Sample durations are calculated as the diff of dts values,
4871 // but for the last sample in a fragment, we don't know the dts
4872 // of the first sample in the next fragment, so we have to rely
4873 // on what was set as duration in the AVPacket. Not all callers
4874 // set this though, so we might want to replace it with an
4875 // estimate if it currently is zero.
4876 if (get_cluster_duration(track, track->entry - 1) != 0)
4878 // Use the duration (i.e. dts diff) of the second last sample for
4879 // the last one. This is a wild guess (and fatal if it turns out
4880 // to be too long), but probably the best we can do - having a zero
4881 // duration is bad as well.
4882 track->track_duration += get_cluster_duration(track, track->entry - 2);
4883 track->end_pts += get_cluster_duration(track, track->entry - 2);
4884 if (!mov->missing_duration_warned) {
4885 av_log(s, AV_LOG_WARNING,
4886 "Estimating the duration of the last packet in a "
4887 "fragment, consider setting the duration field in "
4888 "AVPacket instead.\n");
4889 mov->missing_duration_warned = 1;
4893 if (!mov->moov_written) {
4894 int64_t pos = avio_tell(s->pb);
4896 int buf_size, moov_size;
4898 for (i = 0; i < mov->nb_streams; i++)
4899 if (!mov->tracks[i].entry)
4901 /* Don't write the initial moov unless all tracks have data */
4902 if (i < mov->nb_streams && !force)
4905 moov_size = get_moov_size(s);
4906 for (i = 0; i < mov->nb_streams; i++)
4907 mov->tracks[i].data_offset = pos + moov_size + 8;
4909 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_HEADER);
4910 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
4911 mov_write_identification(s->pb, s);
4912 if ((ret = mov_write_moov_tag(s->pb, mov, s)) < 0)
4915 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV) {
4916 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
4917 mov->reserved_header_pos = avio_tell(s->pb);
4919 mov->moov_written = 1;
4923 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
4924 mov->mdat_buf = NULL;
4925 avio_wb32(s->pb, buf_size + 8);
4926 ffio_wfourcc(s->pb, "mdat");
4927 avio_write(s->pb, buf, buf_size);
4930 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
4931 mov->reserved_header_pos = avio_tell(s->pb);
4933 mov->moov_written = 1;
4935 for (i = 0; i < mov->nb_streams; i++) {
4936 if (mov->tracks[i].entry)
4937 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
4938 mov->tracks[i].track_duration -
4939 mov->tracks[i].cluster[0].dts;
4940 mov->tracks[i].entry = 0;
4941 mov->tracks[i].end_reliable = 0;
4947 if (mov->frag_interleave) {
4948 for (i = 0; i < mov->nb_streams; i++) {
4949 MOVTrack *track = &mov->tracks[i];
4951 if ((ret = mov_flush_fragment_interleaving(s, track)) < 0)
4957 mdat_size = avio_tell(mov->mdat_buf);
4960 for (i = 0; i < mov->nb_streams; i++) {
4961 MOVTrack *track = &mov->tracks[i];
4962 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF || mov->frag_interleave)
4963 track->data_offset = 0;
4965 track->data_offset = mdat_size;
4966 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
4968 if (first_video_track) {
4970 starts_with_key = track->cluster[0].flags & MOV_SYNC_SAMPLE;
4971 first_video_track = 0;
4976 if (track->mdat_buf)
4977 mdat_size += avio_tell(track->mdat_buf);
4978 if (first_track < 0)
4985 avio_write_marker(s->pb,
4986 av_rescale(mov->tracks[first_track].cluster[0].dts, AV_TIME_BASE, mov->tracks[first_track].timescale),
4987 (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);
4989 for (i = 0; i < mov->nb_streams; i++) {
4990 MOVTrack *track = &mov->tracks[i];
4991 int buf_size, write_moof = 1, moof_tracks = -1;
4993 int64_t duration = 0;
4996 duration = track->start_dts + track->track_duration -
4997 track->cluster[0].dts;
4998 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
4999 if (!track->mdat_buf)
5001 mdat_size = avio_tell(track->mdat_buf);
5004 write_moof = i == first_track;
5010 mov_write_moof_tag(s->pb, mov, moof_tracks, mdat_size);
5013 avio_wb32(s->pb, mdat_size + 8);
5014 ffio_wfourcc(s->pb, "mdat");
5018 track->frag_start += duration;
5020 track->entries_flushed = 0;
5021 track->end_reliable = 0;
5022 if (!mov->frag_interleave) {
5023 if (!track->mdat_buf)
5025 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
5026 track->mdat_buf = NULL;
5030 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
5031 mov->mdat_buf = NULL;
5034 avio_write(s->pb, buf, buf_size);
5044 static int mov_auto_flush_fragment(AVFormatContext *s, int force)
5046 MOVMuxContext *mov = s->priv_data;
5047 int had_moov = mov->moov_written;
5048 int ret = mov_flush_fragment(s, force);
5051 // If using delay_moov, the first flush only wrote the moov,
5052 // not the actual moof+mdat pair, thus flush once again.
5053 if (!had_moov && mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5054 ret = mov_flush_fragment(s, force);
5058 static int check_pkt(AVFormatContext *s, AVPacket *pkt)
5060 MOVMuxContext *mov = s->priv_data;
5061 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5066 ref = trk->cluster[trk->entry - 1].dts;
5067 } else if ( trk->start_dts != AV_NOPTS_VALUE
5068 && !trk->frag_discont) {
5069 ref = trk->start_dts + trk->track_duration;
5071 ref = pkt->dts; // Skip tests for the first packet
5073 if (trk->dts_shift != AV_NOPTS_VALUE) {
5074 /* With negative CTS offsets we have set an offset to the DTS,
5075 * reverse this for the check. */
5076 ref -= trk->dts_shift;
5079 duration = pkt->dts - ref;
5080 if (pkt->dts < ref || duration >= INT_MAX) {
5081 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n",
5086 pkt->pts = AV_NOPTS_VALUE;
5089 if (pkt->duration < 0 || pkt->duration > INT_MAX) {
5090 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" is invalid\n", pkt->duration);
5091 return AVERROR(EINVAL);
5096 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
5098 MOVMuxContext *mov = s->priv_data;
5099 AVIOContext *pb = s->pb;
5100 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5101 AVCodecParameters *par = trk->par;
5102 unsigned int samples_in_chunk = 0;
5103 int size = pkt->size, ret = 0;
5104 uint8_t *reformatted_data = NULL;
5106 ret = check_pkt(s, pkt);
5110 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
5112 if (mov->moov_written || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
5113 if (mov->frag_interleave && mov->fragments > 0) {
5114 if (trk->entry - trk->entries_flushed >= mov->frag_interleave) {
5115 if ((ret = mov_flush_fragment_interleaving(s, trk)) < 0)
5120 if (!trk->mdat_buf) {
5121 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
5126 if (!mov->mdat_buf) {
5127 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
5134 if (par->codec_id == AV_CODEC_ID_AMR_NB) {
5135 /* We must find out how many AMR blocks there are in one packet */
5136 static const uint16_t packed_size[16] =
5137 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
5140 while (len < size && samples_in_chunk < 100) {
5141 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
5144 if (samples_in_chunk > 1) {
5145 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
5148 } else if (par->codec_id == AV_CODEC_ID_ADPCM_MS ||
5149 par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
5150 samples_in_chunk = trk->par->frame_size;
5151 } else if (trk->sample_size)
5152 samples_in_chunk = size / trk->sample_size;
5154 samples_in_chunk = 1;
5156 /* copy extradata if it exists */
5157 if (trk->vos_len == 0 && par->extradata_size > 0 &&
5158 !TAG_IS_AVCI(trk->tag) &&
5159 (par->codec_id != AV_CODEC_ID_DNXHD)) {
5160 trk->vos_len = par->extradata_size;
5161 trk->vos_data = av_malloc(trk->vos_len);
5162 if (!trk->vos_data) {
5163 ret = AVERROR(ENOMEM);
5166 memcpy(trk->vos_data, par->extradata, trk->vos_len);
5169 if (par->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
5170 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
5171 if (!s->streams[pkt->stream_index]->nb_frames) {
5172 av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
5173 "use the audio bitstream filter 'aac_adtstoasc' to fix it "
5174 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
5177 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
5179 if (par->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1 && !TAG_IS_AVCI(trk->tag)) {
5180 /* from x264 or from bytestream H.264 */
5181 /* NAL reformatting needed */
5182 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5183 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
5185 avio_write(pb, reformatted_data, size);
5187 if (trk->cenc.aes_ctr) {
5188 size = ff_mov_cenc_avc_parse_nal_units(&trk->cenc, pb, pkt->data, size);
5194 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
5197 } else if (par->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
5198 (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
5199 /* extradata is Annex B, assume the bitstream is too and convert it */
5200 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5201 ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data, &size, 0, NULL);
5202 avio_write(pb, reformatted_data, size);
5204 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
5206 #if CONFIG_AC3_PARSER
5207 } else if (par->codec_id == AV_CODEC_ID_EAC3) {
5208 size = handle_eac3(mov, pkt, trk);
5213 avio_write(pb, pkt->data, size);
5216 if (trk->cenc.aes_ctr) {
5217 if (par->codec_id == AV_CODEC_ID_H264 && par->extradata_size > 4) {
5218 int nal_size_length = (par->extradata[4] & 0x3) + 1;
5219 ret = ff_mov_cenc_avc_write_nal_units(s, &trk->cenc, nal_size_length, pb, pkt->data, size);
5221 ret = ff_mov_cenc_write_packet(&trk->cenc, pb, pkt->data, size);
5228 avio_write(pb, pkt->data, size);
5232 if ((par->codec_id == AV_CODEC_ID_DNXHD ||
5233 par->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
5234 /* copy frame to create needed atoms */
5235 trk->vos_len = size;
5236 trk->vos_data = av_malloc(size);
5237 if (!trk->vos_data) {
5238 ret = AVERROR(ENOMEM);
5241 memcpy(trk->vos_data, pkt->data, size);
5244 if (trk->entry >= trk->cluster_capacity) {
5245 unsigned new_capacity = 2 * (trk->entry + MOV_INDEX_CLUSTER_SIZE);
5246 if (av_reallocp_array(&trk->cluster, new_capacity,
5247 sizeof(*trk->cluster))) {
5248 ret = AVERROR(ENOMEM);
5251 trk->cluster_capacity = new_capacity;
5254 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
5255 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
5256 trk->cluster[trk->entry].chunkNum = 0;
5257 trk->cluster[trk->entry].size = size;
5258 trk->cluster[trk->entry].entries = samples_in_chunk;
5259 trk->cluster[trk->entry].dts = pkt->dts;
5260 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
5261 if (!trk->frag_discont) {
5262 /* First packet of a new fragment. We already wrote the duration
5263 * of the last packet of the previous fragment based on track_duration,
5264 * which might not exactly match our dts. Therefore adjust the dts
5265 * of this packet to be what the previous packets duration implies. */
5266 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
5267 /* We also may have written the pts and the corresponding duration
5268 * in sidx/tfrf/tfxd tags; make sure the sidx pts and duration match up with
5269 * the next fragment. This means the cts of the first sample must
5270 * be the same in all fragments, unless end_pts was updated by
5271 * the packet causing the fragment to be written. */
5272 if ((mov->flags & FF_MOV_FLAG_DASH && !(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)) ||
5273 mov->mode == MODE_ISM)
5274 pkt->pts = pkt->dts + trk->end_pts - trk->cluster[trk->entry].dts;
5276 /* New fragment, but discontinuous from previous fragments.
5277 * Pretend the duration sum of the earlier fragments is
5278 * pkt->dts - trk->start_dts. */
5279 trk->frag_start = pkt->dts - trk->start_dts;
5280 trk->end_pts = AV_NOPTS_VALUE;
5281 trk->frag_discont = 0;
5285 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !mov->use_editlist &&
5286 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO) {
5287 /* Not using edit lists and shifting the first track to start from zero.
5288 * If the other streams start from a later timestamp, we won't be able
5289 * to signal the difference in starting time without an edit list.
5290 * Thus move the timestamp for this first sample to 0, increasing
5291 * its duration instead. */
5292 trk->cluster[trk->entry].dts = trk->start_dts = 0;
5294 if (trk->start_dts == AV_NOPTS_VALUE) {
5295 trk->start_dts = pkt->dts;
5296 if (trk->frag_discont) {
5297 if (mov->use_editlist) {
5298 /* Pretend the whole stream started at pts=0, with earlier fragments
5299 * already written. If the stream started at pts=0, the duration sum
5300 * of earlier fragments would have been pkt->pts. */
5301 trk->frag_start = pkt->pts;
5302 trk->start_dts = pkt->dts - pkt->pts;
5304 /* Pretend the whole stream started at dts=0, with earlier fragments
5305 * already written, with a duration summing up to pkt->dts. */
5306 trk->frag_start = pkt->dts;
5309 trk->frag_discont = 0;
5310 } else if (pkt->dts && mov->moov_written)
5311 av_log(s, AV_LOG_WARNING,
5312 "Track %d starts with a nonzero dts %"PRId64", while the moov "
5313 "already has been written. Set the delay_moov flag to handle "
5315 pkt->stream_index, pkt->dts);
5317 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
5318 trk->last_sample_is_subtitle_end = 0;
5320 if (pkt->pts == AV_NOPTS_VALUE) {
5321 av_log(s, AV_LOG_WARNING, "pts has no value\n");
5322 pkt->pts = pkt->dts;
5324 if (pkt->dts != pkt->pts)
5325 trk->flags |= MOV_TRACK_CTTS;
5326 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
5327 trk->cluster[trk->entry].flags = 0;
5328 if (trk->start_cts == AV_NOPTS_VALUE)
5329 trk->start_cts = pkt->pts - pkt->dts;
5330 if (trk->end_pts == AV_NOPTS_VALUE)
5331 trk->end_pts = trk->cluster[trk->entry].dts +
5332 trk->cluster[trk->entry].cts + pkt->duration;
5334 trk->end_pts = FFMAX(trk->end_pts, trk->cluster[trk->entry].dts +
5335 trk->cluster[trk->entry].cts +
5338 if (par->codec_id == AV_CODEC_ID_VC1) {
5339 mov_parse_vc1_frame(pkt, trk);
5340 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
5341 if (mov->mode == MODE_MOV && par->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
5342 trk->entry > 0) { // force sync sample for the first key frame
5343 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
5344 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
5345 trk->flags |= MOV_TRACK_STPS;
5347 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
5349 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
5350 trk->has_keyframes++;
5352 if (pkt->flags & AV_PKT_FLAG_DISPOSABLE) {
5353 trk->cluster[trk->entry].flags |= MOV_DISPOSABLE_SAMPLE;
5354 trk->has_disposable++;
5357 trk->sample_count += samples_in_chunk;
5358 mov->mdat_size += size;
5360 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
5361 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
5362 reformatted_data, size);
5367 av_free(reformatted_data);
5371 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
5373 MOVMuxContext *mov = s->priv_data;
5374 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5375 AVCodecParameters *par = trk->par;
5376 int64_t frag_duration = 0;
5377 int size = pkt->size;
5379 int ret = check_pkt(s, pkt);
5383 if (mov->flags & FF_MOV_FLAG_FRAG_DISCONT) {
5385 for (i = 0; i < s->nb_streams; i++)
5386 mov->tracks[i].frag_discont = 1;
5387 mov->flags &= ~FF_MOV_FLAG_FRAG_DISCONT;
5390 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS) {
5391 if (trk->dts_shift == AV_NOPTS_VALUE)
5392 trk->dts_shift = pkt->pts - pkt->dts;
5393 pkt->dts += trk->dts_shift;
5396 if (trk->par->codec_id == AV_CODEC_ID_MP4ALS ||
5397 trk->par->codec_id == AV_CODEC_ID_AAC ||
5398 trk->par->codec_id == AV_CODEC_ID_FLAC) {
5400 uint8_t *side = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, &side_size);
5401 if (side && side_size > 0 && (side_size != par->extradata_size || memcmp(side, par->extradata, side_size))) {
5402 void *newextra = av_mallocz(side_size + AV_INPUT_BUFFER_PADDING_SIZE);
5404 return AVERROR(ENOMEM);
5405 av_free(par->extradata);
5406 par->extradata = newextra;
5407 memcpy(par->extradata, side, side_size);
5408 par->extradata_size = side_size;
5409 if (!pkt->size) // Flush packet
5410 mov->need_rewrite_extradata = 1;
5415 if (trk->start_dts == AV_NOPTS_VALUE && trk->frag_discont) {
5416 trk->start_dts = pkt->dts;
5417 if (pkt->pts != AV_NOPTS_VALUE)
5418 trk->start_cts = pkt->pts - pkt->dts;
5423 return 0; /* Discard 0 sized packets */
5426 if (trk->entry && pkt->stream_index < s->nb_streams)
5427 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
5428 s->streams[pkt->stream_index]->time_base,
5430 if ((mov->max_fragment_duration &&
5431 frag_duration >= mov->max_fragment_duration) ||
5432 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
5433 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
5434 par->codec_type == AVMEDIA_TYPE_VIDEO &&
5435 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
5436 if (frag_duration >= mov->min_fragment_duration) {
5437 // Set the duration of this track to line up with the next
5438 // sample in this track. This avoids relying on AVPacket
5439 // duration, but only helps for this particular track, not
5440 // for the other ones that are flushed at the same time.
5441 trk->track_duration = pkt->dts - trk->start_dts;
5442 if (pkt->pts != AV_NOPTS_VALUE)
5443 trk->end_pts = pkt->pts;
5445 trk->end_pts = pkt->dts;
5446 trk->end_reliable = 1;
5447 mov_auto_flush_fragment(s, 0);
5451 return ff_mov_write_packet(s, pkt);
5454 static int mov_write_subtitle_end_packet(AVFormatContext *s,
5458 uint8_t data[2] = {0};
5461 av_init_packet(&end);
5462 end.size = sizeof(data);
5467 end.stream_index = stream_index;
5469 ret = mov_write_single_packet(s, &end);
5470 av_packet_unref(&end);
5475 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
5478 mov_flush_fragment(s, 1);
5482 MOVMuxContext *mov = s->priv_data;
5483 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5486 return mov_write_single_packet(s, pkt); /* Passthrough. */
5489 * Subtitles require special handling.
5491 * 1) For full complaince, every track must have a sample at
5492 * dts == 0, which is rarely true for subtitles. So, as soon
5493 * as we see any packet with dts > 0, write an empty subtitle
5494 * at dts == 0 for any subtitle track with no samples in it.
5496 * 2) For each subtitle track, check if the current packet's
5497 * dts is past the duration of the last subtitle sample. If
5498 * so, we now need to write an end sample for that subtitle.
5500 * This must be done conditionally to allow for subtitles that
5501 * immediately replace each other, in which case an end sample
5502 * is not needed, and is, in fact, actively harmful.
5504 * 3) See mov_write_trailer for how the final end sample is
5507 for (i = 0; i < mov->nb_streams; i++) {
5508 MOVTrack *trk = &mov->tracks[i];
5511 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
5512 trk->track_duration < pkt->dts &&
5513 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
5514 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
5515 if (ret < 0) return ret;
5516 trk->last_sample_is_subtitle_end = 1;
5520 if (trk->mode == MODE_MOV && trk->par->codec_type == AVMEDIA_TYPE_VIDEO) {
5521 AVPacket *opkt = pkt;
5522 int reshuffle_ret, ret;
5523 if (trk->is_unaligned_qt_rgb) {
5524 int64_t bpc = trk->par->bits_per_coded_sample != 15 ? trk->par->bits_per_coded_sample : 16;
5525 int expected_stride = ((trk->par->width * bpc + 15) >> 4)*2;
5526 reshuffle_ret = ff_reshuffle_raw_rgb(s, &pkt, trk->par, expected_stride);
5527 if (reshuffle_ret < 0)
5528 return reshuffle_ret;
5531 if (trk->par->format == AV_PIX_FMT_PAL8 && !trk->pal_done) {
5532 ret = ff_get_packet_palette(s, opkt, reshuffle_ret, trk->palette);
5537 } else if (trk->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
5538 (trk->par->format == AV_PIX_FMT_GRAY8 ||
5539 trk->par->format == AV_PIX_FMT_MONOBLACK)) {
5540 for (i = 0; i < pkt->size; i++)
5541 pkt->data[i] = ~pkt->data[i];
5543 if (reshuffle_ret) {
5544 ret = mov_write_single_packet(s, pkt);
5547 av_packet_free(&pkt);
5552 return mov_write_single_packet(s, pkt);
5556 // QuickTime chapters involve an additional text track with the chapter names
5557 // as samples, and a tref pointing from the other tracks to the chapter one.
5558 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
5562 MOVMuxContext *mov = s->priv_data;
5563 MOVTrack *track = &mov->tracks[tracknum];
5564 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
5567 track->mode = mov->mode;
5568 track->tag = MKTAG('t','e','x','t');
5569 track->timescale = MOV_TIMESCALE;
5570 track->par = avcodec_parameters_alloc();
5572 return AVERROR(ENOMEM);
5573 track->par->codec_type = AVMEDIA_TYPE_SUBTITLE;
5575 // These properties are required to make QT recognize the chapter track
5576 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
5577 if (ff_alloc_extradata(track->par, sizeof(chapter_properties)))
5578 return AVERROR(ENOMEM);
5579 memcpy(track->par->extradata, chapter_properties, sizeof(chapter_properties));
5581 if (avio_open_dyn_buf(&pb) >= 0) {
5585 /* Stub header (usually for Quicktime chapter track) */
5587 avio_wb32(pb, 0x01); // displayFlags
5588 avio_w8(pb, 0x00); // horizontal justification
5589 avio_w8(pb, 0x00); // vertical justification
5590 avio_w8(pb, 0x00); // bgColourRed
5591 avio_w8(pb, 0x00); // bgColourGreen
5592 avio_w8(pb, 0x00); // bgColourBlue
5593 avio_w8(pb, 0x00); // bgColourAlpha
5595 avio_wb16(pb, 0x00); // defTextBoxTop
5596 avio_wb16(pb, 0x00); // defTextBoxLeft
5597 avio_wb16(pb, 0x00); // defTextBoxBottom
5598 avio_wb16(pb, 0x00); // defTextBoxRight
5600 avio_wb16(pb, 0x00); // startChar
5601 avio_wb16(pb, 0x00); // endChar
5602 avio_wb16(pb, 0x01); // fontID
5603 avio_w8(pb, 0x00); // fontStyleFlags
5604 avio_w8(pb, 0x00); // fontSize
5605 avio_w8(pb, 0x00); // fgColourRed
5606 avio_w8(pb, 0x00); // fgColourGreen
5607 avio_w8(pb, 0x00); // fgColourBlue
5608 avio_w8(pb, 0x00); // fgColourAlpha
5610 avio_wb32(pb, 0x0D); // box size
5611 ffio_wfourcc(pb, "ftab"); // box atom name
5612 avio_wb16(pb, 0x01); // entry count
5614 avio_wb16(pb, 0x01); // font ID
5615 avio_w8(pb, 0x00); // font name length
5617 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
5618 track->par->extradata = buf;
5619 track->par->extradata_size = size;
5626 for (i = 0; i < s->nb_chapters; i++) {
5627 AVChapter *c = s->chapters[i];
5628 AVDictionaryEntry *t;
5630 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
5631 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
5632 pkt.duration = end - pkt.dts;
5634 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
5635 static const char encd[12] = {
5636 0x00, 0x00, 0x00, 0x0C,
5638 0x00, 0x00, 0x01, 0x00 };
5639 len = strlen(t->value);
5640 pkt.size = len + 2 + 12;
5641 pkt.data = av_malloc(pkt.size);
5643 return AVERROR(ENOMEM);
5644 AV_WB16(pkt.data, len);
5645 memcpy(pkt.data + 2, t->value, len);
5646 memcpy(pkt.data + len + 2, encd, sizeof(encd));
5647 ff_mov_write_packet(s, &pkt);
5648 av_freep(&pkt.data);
5656 static int mov_check_timecode_track(AVFormatContext *s, AVTimecode *tc, int src_index, const char *tcstr)
5660 /* compute the frame number */
5661 ret = av_timecode_init_from_string(tc, find_fps(s, s->streams[src_index]), tcstr, s);
5665 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, AVTimecode tc)
5668 MOVMuxContext *mov = s->priv_data;
5669 MOVTrack *track = &mov->tracks[index];
5670 AVStream *src_st = s->streams[src_index];
5671 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
5672 AVRational rate = find_fps(s, src_st);
5674 /* tmcd track based on video stream */
5675 track->mode = mov->mode;
5676 track->tag = MKTAG('t','m','c','d');
5677 track->src_track = src_index;
5678 track->timescale = mov->tracks[src_index].timescale;
5679 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
5680 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
5682 /* set st to src_st for metadata access*/
5685 /* encode context: tmcd data stream */
5686 track->par = avcodec_parameters_alloc();
5688 return AVERROR(ENOMEM);
5689 track->par->codec_type = AVMEDIA_TYPE_DATA;
5690 track->par->codec_tag = track->tag;
5691 track->st->avg_frame_rate = av_inv_q(rate);
5693 /* the tmcd track just contains one packet with the frame number */
5694 pkt.data = av_malloc(pkt.size);
5696 return AVERROR(ENOMEM);
5697 AV_WB32(pkt.data, tc.start);
5698 ret = ff_mov_write_packet(s, &pkt);
5704 * st->disposition controls the "enabled" flag in the tkhd tag.
5705 * QuickTime will not play a track if it is not enabled. So make sure
5706 * that one track of each type (audio, video, subtitle) is enabled.
5708 * Subtitles are special. For audio and video, setting "enabled" also
5709 * makes the track "default" (i.e. it is rendered when played). For
5710 * subtitles, an "enabled" subtitle is not rendered by default, but
5711 * if no subtitle is enabled, the subtitle menu in QuickTime will be
5714 static void enable_tracks(AVFormatContext *s)
5716 MOVMuxContext *mov = s->priv_data;
5718 int enabled[AVMEDIA_TYPE_NB];
5719 int first[AVMEDIA_TYPE_NB];
5721 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
5726 for (i = 0; i < s->nb_streams; i++) {
5727 AVStream *st = s->streams[i];
5729 if (st->codecpar->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
5730 st->codecpar->codec_type >= AVMEDIA_TYPE_NB)
5733 if (first[st->codecpar->codec_type] < 0)
5734 first[st->codecpar->codec_type] = i;
5735 if (st->disposition & AV_DISPOSITION_DEFAULT) {
5736 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
5737 enabled[st->codecpar->codec_type]++;
5741 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
5743 case AVMEDIA_TYPE_VIDEO:
5744 case AVMEDIA_TYPE_AUDIO:
5745 case AVMEDIA_TYPE_SUBTITLE:
5747 mov->per_stream_grouping = 1;
5748 if (!enabled[i] && first[i] >= 0)
5749 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
5755 static void mov_free(AVFormatContext *s)
5757 MOVMuxContext *mov = s->priv_data;
5760 if (mov->chapter_track) {
5761 if (mov->tracks[mov->chapter_track].par)
5762 av_freep(&mov->tracks[mov->chapter_track].par->extradata);
5763 av_freep(&mov->tracks[mov->chapter_track].par);
5766 for (i = 0; i < mov->nb_streams; i++) {
5767 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
5768 ff_mov_close_hinting(&mov->tracks[i]);
5769 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
5770 av_freep(&mov->tracks[i].par);
5771 av_freep(&mov->tracks[i].cluster);
5772 av_freep(&mov->tracks[i].frag_info);
5774 if (mov->tracks[i].vos_len)
5775 av_freep(&mov->tracks[i].vos_data);
5777 ff_mov_cenc_free(&mov->tracks[i].cenc);
5780 av_freep(&mov->tracks);
5783 static uint32_t rgb_to_yuv(uint32_t rgb)
5788 r = (rgb >> 16) & 0xFF;
5789 g = (rgb >> 8) & 0xFF;
5792 y = av_clip_uint8(( 16000 + 257 * r + 504 * g + 98 * b)/1000);
5793 cb = av_clip_uint8((128000 - 148 * r - 291 * g + 439 * b)/1000);
5794 cr = av_clip_uint8((128000 + 439 * r - 368 * g - 71 * b)/1000);
5796 return (y << 16) | (cr << 8) | cb;
5799 static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track,
5802 int i, width = 720, height = 480;
5803 int have_palette = 0, have_size = 0;
5804 uint32_t palette[16];
5805 char *cur = st->codecpar->extradata;
5807 while (cur && *cur) {
5808 if (strncmp("palette:", cur, 8) == 0) {
5810 count = sscanf(cur + 8,
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 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
5815 &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
5816 &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
5817 &palette[ 8], &palette[ 9], &palette[10], &palette[11],
5818 &palette[12], &palette[13], &palette[14], &palette[15]);
5820 for (i = 0; i < count; i++) {
5821 palette[i] = rgb_to_yuv(palette[i]);
5824 } else if (!strncmp("size:", cur, 5)) {
5825 sscanf(cur + 5, "%dx%d", &width, &height);
5828 if (have_palette && have_size)
5830 cur += strcspn(cur, "\n\r");
5831 cur += strspn(cur, "\n\r");
5834 track->vos_data = av_malloc(16*4);
5835 if (!track->vos_data)
5836 return AVERROR(ENOMEM);
5837 for (i = 0; i < 16; i++) {
5838 AV_WB32(track->vos_data + i * 4, palette[i]);
5840 track->vos_len = 16 * 4;
5842 st->codecpar->width = width;
5843 st->codecpar->height = track->height = height;
5848 static int mov_init(AVFormatContext *s)
5850 MOVMuxContext *mov = s->priv_data;
5851 AVDictionaryEntry *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
5856 /* Default mode == MP4 */
5857 mov->mode = MODE_MP4;
5860 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
5861 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
5862 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
5863 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
5864 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
5865 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
5866 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
5869 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5870 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV;
5872 /* Set the FRAGMENT flag if any of the fragmentation methods are
5874 if (mov->max_fragment_duration || mov->max_fragment_size ||
5875 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
5876 FF_MOV_FLAG_FRAG_KEYFRAME |
5877 FF_MOV_FLAG_FRAG_CUSTOM))
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 !mov->max_fragment_duration && !mov->max_fragment_size)
6243 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
6245 if (mov->flags & FF_MOV_FLAG_FASTSTART)
6246 mov->reserved_header_pos = avio_tell(pb);
6247 mov_write_mdat_tag(pb, mov);
6250 ff_parse_creation_time_metadata(s, &mov->time, 1);
6252 mov->time += 0x7C25B080; // 1970 based -> 1904 based
6254 if (mov->chapter_track)
6255 if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0)
6258 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6259 /* Initialize the hint tracks for each audio and video stream */
6260 for (i = 0; i < s->nb_streams; i++) {
6261 AVStream *st = s->streams[i];
6262 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
6263 st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
6264 if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0)
6271 if (mov->nb_meta_tmcd) {
6272 /* Initialize the tmcd tracks */
6273 for (i = 0; i < s->nb_streams; i++) {
6274 AVStream *st = s->streams[i];
6277 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
6280 t = av_dict_get(st->metadata, "timecode", NULL, 0);
6283 if (mov_check_timecode_track(s, &tc, i, t->value) < 0)
6285 if ((ret = mov_create_timecode_track(s, tmcd_track, i, tc)) < 0)
6294 if (mov->flags & FF_MOV_FLAG_ISML)
6295 mov_write_isml_manifest(pb, mov, s);
6297 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
6298 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6299 if ((ret = mov_write_moov_tag(pb, mov, s)) < 0)
6302 mov->moov_written = 1;
6303 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
6304 mov->reserved_header_pos = avio_tell(pb);
6310 static int get_moov_size(AVFormatContext *s)
6313 AVIOContext *moov_buf;
6314 MOVMuxContext *mov = s->priv_data;
6316 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
6318 if ((ret = mov_write_moov_tag(moov_buf, mov, s)) < 0)
6320 return ffio_close_null_buf(moov_buf);
6323 static int get_sidx_size(AVFormatContext *s)
6327 MOVMuxContext *mov = s->priv_data;
6329 if ((ret = ffio_open_null_buf(&buf)) < 0)
6331 mov_write_sidx_tags(buf, mov, -1, 0);
6332 return ffio_close_null_buf(buf);
6336 * This function gets the moov size if moved to the top of the file: the chunk
6337 * offset table can switch between stco (32-bit entries) to co64 (64-bit
6338 * entries) when the moov is moved to the beginning, so the size of the moov
6339 * would change. It also updates the chunk offset tables.
6341 static int compute_moov_size(AVFormatContext *s)
6343 int i, moov_size, moov_size2;
6344 MOVMuxContext *mov = s->priv_data;
6346 moov_size = get_moov_size(s);
6350 for (i = 0; i < mov->nb_streams; i++)
6351 mov->tracks[i].data_offset += moov_size;
6353 moov_size2 = get_moov_size(s);
6357 /* if the size changed, we just switched from stco to co64 and need to
6358 * update the offsets */
6359 if (moov_size2 != moov_size)
6360 for (i = 0; i < mov->nb_streams; i++)
6361 mov->tracks[i].data_offset += moov_size2 - moov_size;
6366 static int compute_sidx_size(AVFormatContext *s)
6369 MOVMuxContext *mov = s->priv_data;
6371 sidx_size = get_sidx_size(s);
6375 for (i = 0; i < mov->nb_streams; i++)
6376 mov->tracks[i].data_offset += sidx_size;
6381 static int shift_data(AVFormatContext *s)
6383 int ret = 0, moov_size;
6384 MOVMuxContext *mov = s->priv_data;
6385 int64_t pos, pos_end = avio_tell(s->pb);
6386 uint8_t *buf, *read_buf[2];
6387 int read_buf_id = 0;
6389 AVIOContext *read_pb;
6391 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
6392 moov_size = compute_sidx_size(s);
6394 moov_size = compute_moov_size(s);
6398 buf = av_malloc(moov_size * 2);
6400 return AVERROR(ENOMEM);
6402 read_buf[1] = buf + moov_size;
6404 /* Shift the data: the AVIO context of the output can only be used for
6405 * writing, so we re-open the same output, but for reading. It also avoids
6406 * a read/seek/write/seek back and forth. */
6408 ret = s->io_open(s, &read_pb, s->url, AVIO_FLAG_READ, NULL);
6410 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
6411 "the second pass (faststart)\n", s->url);
6415 /* mark the end of the shift to up to the last data we wrote, and get ready
6417 pos_end = avio_tell(s->pb);
6418 avio_seek(s->pb, mov->reserved_header_pos + moov_size, SEEK_SET);
6420 /* start reading at where the new moov will be placed */
6421 avio_seek(read_pb, mov->reserved_header_pos, SEEK_SET);
6422 pos = avio_tell(read_pb);
6424 #define READ_BLOCK do { \
6425 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
6429 /* shift data by chunk of at most moov_size */
6434 n = read_size[read_buf_id];
6437 avio_write(s->pb, read_buf[read_buf_id], n);
6439 } while (pos < pos_end);
6440 ff_format_io_close(s, &read_pb);
6447 static int mov_write_trailer(AVFormatContext *s)
6449 MOVMuxContext *mov = s->priv_data;
6450 AVIOContext *pb = s->pb;
6455 if (mov->need_rewrite_extradata) {
6456 for (i = 0; i < s->nb_streams; i++) {
6457 MOVTrack *track = &mov->tracks[i];
6458 AVCodecParameters *par = track->par;
6460 track->vos_len = par->extradata_size;
6461 track->vos_data = av_malloc(track->vos_len);
6462 if (!track->vos_data)
6463 return AVERROR(ENOMEM);
6464 memcpy(track->vos_data, par->extradata, track->vos_len);
6466 mov->need_rewrite_extradata = 0;
6470 * Before actually writing the trailer, make sure that there are no
6471 * dangling subtitles, that need a terminating sample.
6473 for (i = 0; i < mov->nb_streams; i++) {
6474 MOVTrack *trk = &mov->tracks[i];
6475 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
6476 !trk->last_sample_is_subtitle_end) {
6477 mov_write_subtitle_end_packet(s, i, trk->track_duration);
6478 trk->last_sample_is_subtitle_end = 1;
6482 // If there were no chapters when the header was written, but there
6483 // are chapters now, write them in the trailer. This only works
6484 // when we are not doing fragments.
6485 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
6486 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
6487 mov->chapter_track = mov->nb_streams++;
6488 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
6493 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
6494 moov_pos = avio_tell(pb);
6496 /* Write size of mdat tag */
6497 if (mov->mdat_size + 8 <= UINT32_MAX) {
6498 avio_seek(pb, mov->mdat_pos, SEEK_SET);
6499 avio_wb32(pb, mov->mdat_size + 8);
6501 /* overwrite 'wide' placeholder atom */
6502 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
6503 /* special value: real atom size will be 64 bit value after
6506 ffio_wfourcc(pb, "mdat");
6507 avio_wb64(pb, mov->mdat_size + 16);
6509 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_header_pos : moov_pos, SEEK_SET);
6511 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
6512 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
6513 res = shift_data(s);
6516 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
6517 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6519 } else if (mov->reserved_moov_size > 0) {
6521 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6523 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_header_pos);
6525 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
6526 return AVERROR(EINVAL);
6528 avio_wb32(pb, size);
6529 ffio_wfourcc(pb, "free");
6530 ffio_fill(pb, 0, size - 8);
6531 avio_seek(pb, moov_pos, SEEK_SET);
6533 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6538 mov_auto_flush_fragment(s, 1);
6539 for (i = 0; i < mov->nb_streams; i++)
6540 mov->tracks[i].data_offset = 0;
6541 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) {
6543 av_log(s, AV_LOG_INFO, "Starting second pass: inserting sidx atoms\n");
6544 res = shift_data(s);
6547 end = avio_tell(pb);
6548 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
6549 mov_write_sidx_tags(pb, mov, -1, 0);
6550 avio_seek(pb, end, SEEK_SET);
6551 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_TRAILER);
6552 mov_write_mfra_tag(pb, mov);
6553 } else if (!(mov->flags & FF_MOV_FLAG_SKIP_TRAILER)) {
6554 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_TRAILER);
6555 mov_write_mfra_tag(pb, mov);
6562 static int mov_check_bitstream(struct AVFormatContext *s, const AVPacket *pkt)
6565 AVStream *st = s->streams[pkt->stream_index];
6567 if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
6568 if (pkt->size > 2 && (AV_RB16(pkt->data) & 0xfff0) == 0xfff0)
6569 ret = ff_stream_add_bitstream_filter(st, "aac_adtstoasc", NULL);
6570 } else if (st->codecpar->codec_id == AV_CODEC_ID_VP9) {
6571 ret = ff_stream_add_bitstream_filter(st, "vp9_superframe", NULL);
6577 static const AVCodecTag codec_3gp_tags[] = {
6578 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
6579 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
6580 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
6581 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
6582 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
6583 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
6584 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
6585 { AV_CODEC_ID_NONE, 0 },
6588 const AVCodecTag codec_mp4_tags[] = {
6589 { AV_CODEC_ID_MPEG4 , MKTAG('m', 'p', '4', 'v') },
6590 { AV_CODEC_ID_H264 , MKTAG('a', 'v', 'c', '1') },
6591 { AV_CODEC_ID_H264 , MKTAG('a', 'v', 'c', '3') },
6592 { AV_CODEC_ID_HEVC , MKTAG('h', 'e', 'v', '1') },
6593 { AV_CODEC_ID_HEVC , MKTAG('h', 'v', 'c', '1') },
6594 { AV_CODEC_ID_MPEG2VIDEO , MKTAG('m', 'p', '4', 'v') },
6595 { AV_CODEC_ID_MPEG1VIDEO , MKTAG('m', 'p', '4', 'v') },
6596 { AV_CODEC_ID_MJPEG , MKTAG('m', 'p', '4', 'v') },
6597 { AV_CODEC_ID_PNG , MKTAG('m', 'p', '4', 'v') },
6598 { AV_CODEC_ID_JPEG2000 , MKTAG('m', 'p', '4', 'v') },
6599 { AV_CODEC_ID_VC1 , MKTAG('v', 'c', '-', '1') },
6600 { AV_CODEC_ID_DIRAC , MKTAG('d', 'r', 'a', 'c') },
6601 { AV_CODEC_ID_TSCC2 , MKTAG('m', 'p', '4', 'v') },
6602 { AV_CODEC_ID_VP9 , MKTAG('v', 'p', '0', '9') },
6603 { AV_CODEC_ID_AAC , MKTAG('m', 'p', '4', 'a') },
6604 { AV_CODEC_ID_MP4ALS , MKTAG('m', 'p', '4', 'a') },
6605 { AV_CODEC_ID_MP3 , MKTAG('m', 'p', '4', 'a') },
6606 { AV_CODEC_ID_MP2 , MKTAG('m', 'p', '4', 'a') },
6607 { AV_CODEC_ID_AC3 , MKTAG('a', 'c', '-', '3') },
6608 { AV_CODEC_ID_EAC3 , MKTAG('e', 'c', '-', '3') },
6609 { AV_CODEC_ID_DTS , MKTAG('m', 'p', '4', 'a') },
6610 { AV_CODEC_ID_FLAC , MKTAG('f', 'L', 'a', 'C') },
6611 { AV_CODEC_ID_OPUS , MKTAG('O', 'p', 'u', 's') },
6612 { AV_CODEC_ID_VORBIS , MKTAG('m', 'p', '4', 'a') },
6613 { AV_CODEC_ID_QCELP , MKTAG('m', 'p', '4', 'a') },
6614 { AV_CODEC_ID_EVRC , MKTAG('m', 'p', '4', 'a') },
6615 { AV_CODEC_ID_DVD_SUBTITLE, MKTAG('m', 'p', '4', 's') },
6616 { AV_CODEC_ID_MOV_TEXT , MKTAG('t', 'x', '3', 'g') },
6617 { AV_CODEC_ID_NONE , 0 },
6620 const AVCodecTag codec_ism_tags[] = {
6621 { AV_CODEC_ID_WMAPRO , MKTAG('w', 'm', 'a', ' ') },
6622 { AV_CODEC_ID_NONE , 0 },
6625 static const AVCodecTag codec_ipod_tags[] = {
6626 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
6627 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
6628 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
6629 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
6630 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
6631 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
6632 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
6633 { AV_CODEC_ID_NONE, 0 },
6636 static const AVCodecTag codec_f4v_tags[] = {
6637 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
6638 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
6639 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
6640 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
6641 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
6642 { AV_CODEC_ID_NONE, 0 },
6645 #if CONFIG_MOV_MUXER
6647 AVOutputFormat ff_mov_muxer = {
6649 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
6650 .extensions = "mov",
6651 .priv_data_size = sizeof(MOVMuxContext),
6652 .audio_codec = AV_CODEC_ID_AAC,
6653 .video_codec = CONFIG_LIBX264_ENCODER ?
6654 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
6656 .write_header = mov_write_header,
6657 .write_packet = mov_write_packet,
6658 .write_trailer = mov_write_trailer,
6660 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6661 .codec_tag = (const AVCodecTag* const []){
6662 ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0
6664 .check_bitstream = mov_check_bitstream,
6665 .priv_class = &mov_muxer_class,
6668 #if CONFIG_TGP_MUXER
6670 AVOutputFormat ff_tgp_muxer = {
6672 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
6673 .extensions = "3gp",
6674 .priv_data_size = sizeof(MOVMuxContext),
6675 .audio_codec = AV_CODEC_ID_AMR_NB,
6676 .video_codec = AV_CODEC_ID_H263,
6678 .write_header = mov_write_header,
6679 .write_packet = mov_write_packet,
6680 .write_trailer = mov_write_trailer,
6682 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6683 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
6684 .check_bitstream = mov_check_bitstream,
6685 .priv_class = &tgp_muxer_class,
6688 #if CONFIG_MP4_MUXER
6690 AVOutputFormat ff_mp4_muxer = {
6692 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
6693 .mime_type = "video/mp4",
6694 .extensions = "mp4",
6695 .priv_data_size = sizeof(MOVMuxContext),
6696 .audio_codec = AV_CODEC_ID_AAC,
6697 .video_codec = CONFIG_LIBX264_ENCODER ?
6698 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
6700 .write_header = mov_write_header,
6701 .write_packet = mov_write_packet,
6702 .write_trailer = mov_write_trailer,
6704 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6705 .codec_tag = (const AVCodecTag* const []){ codec_mp4_tags, 0 },
6706 .check_bitstream = mov_check_bitstream,
6707 .priv_class = &mp4_muxer_class,
6710 #if CONFIG_PSP_MUXER
6712 AVOutputFormat ff_psp_muxer = {
6714 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
6715 .extensions = "mp4,psp",
6716 .priv_data_size = sizeof(MOVMuxContext),
6717 .audio_codec = AV_CODEC_ID_AAC,
6718 .video_codec = CONFIG_LIBX264_ENCODER ?
6719 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
6721 .write_header = mov_write_header,
6722 .write_packet = mov_write_packet,
6723 .write_trailer = mov_write_trailer,
6725 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6726 .codec_tag = (const AVCodecTag* const []){ codec_mp4_tags, 0 },
6727 .check_bitstream = mov_check_bitstream,
6728 .priv_class = &psp_muxer_class,
6731 #if CONFIG_TG2_MUXER
6733 AVOutputFormat ff_tg2_muxer = {
6735 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
6736 .extensions = "3g2",
6737 .priv_data_size = sizeof(MOVMuxContext),
6738 .audio_codec = AV_CODEC_ID_AMR_NB,
6739 .video_codec = AV_CODEC_ID_H263,
6741 .write_header = mov_write_header,
6742 .write_packet = mov_write_packet,
6743 .write_trailer = mov_write_trailer,
6745 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6746 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
6747 .check_bitstream = mov_check_bitstream,
6748 .priv_class = &tg2_muxer_class,
6751 #if CONFIG_IPOD_MUXER
6753 AVOutputFormat ff_ipod_muxer = {
6755 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
6756 .mime_type = "video/mp4",
6757 .extensions = "m4v,m4a,m4b",
6758 .priv_data_size = sizeof(MOVMuxContext),
6759 .audio_codec = AV_CODEC_ID_AAC,
6760 .video_codec = AV_CODEC_ID_H264,
6762 .write_header = mov_write_header,
6763 .write_packet = mov_write_packet,
6764 .write_trailer = mov_write_trailer,
6766 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6767 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
6768 .check_bitstream = mov_check_bitstream,
6769 .priv_class = &ipod_muxer_class,
6772 #if CONFIG_ISMV_MUXER
6774 AVOutputFormat ff_ismv_muxer = {
6776 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
6777 .mime_type = "video/mp4",
6778 .extensions = "ismv,isma",
6779 .priv_data_size = sizeof(MOVMuxContext),
6780 .audio_codec = AV_CODEC_ID_AAC,
6781 .video_codec = AV_CODEC_ID_H264,
6783 .write_header = mov_write_header,
6784 .write_packet = mov_write_packet,
6785 .write_trailer = mov_write_trailer,
6787 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6788 .codec_tag = (const AVCodecTag* const []){
6789 codec_mp4_tags, codec_ism_tags, 0 },
6790 .check_bitstream = mov_check_bitstream,
6791 .priv_class = &ismv_muxer_class,
6794 #if CONFIG_F4V_MUXER
6796 AVOutputFormat ff_f4v_muxer = {
6798 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
6799 .mime_type = "application/f4v",
6800 .extensions = "f4v",
6801 .priv_data_size = sizeof(MOVMuxContext),
6802 .audio_codec = AV_CODEC_ID_AAC,
6803 .video_codec = AV_CODEC_ID_H264,
6805 .write_header = mov_write_header,
6806 .write_packet = mov_write_packet,
6807 .write_trailer = mov_write_trailer,
6809 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
6810 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
6811 .check_bitstream = mov_check_bitstream,
6812 .priv_class = &f4v_muxer_class,