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.h"
35 #include "libavcodec/get_bits.h"
36 #include "libavcodec/put_bits.h"
37 #include "libavcodec/vc1_common.h"
38 #include "libavcodec/raw.h"
40 #include "libavutil/avstring.h"
41 #include "libavutil/intfloat.h"
42 #include "libavutil/mathematics.h"
43 #include "libavutil/opt.h"
44 #include "libavutil/dict.h"
45 #include "libavutil/pixdesc.h"
46 #include "libavutil/timecode.h"
51 static const AVOption options[] = {
52 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
53 { "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" },
54 { "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 },
55 { "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" },
56 { "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" },
57 { "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" },
58 { "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" },
59 { "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" },
60 { "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" },
61 { "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" },
62 { "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" },
63 { "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" },
64 { "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" },
65 { "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" },
66 { "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" },
67 { "write_colr", "Write colr atom", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_WRITE_COLR}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
68 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
69 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_INT, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
70 { "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},
71 { "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},
72 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
73 { "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},
74 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
75 { "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},
76 { "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},
77 { "brand", "Override major brand", offsetof(MOVMuxContext, major_brand), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
78 { "use_editlist", "use edit list", offsetof(MOVMuxContext, use_editlist), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
79 { "fragment_index", "Fragment number of the next fragment", offsetof(MOVMuxContext, fragments), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
83 #define MOV_CLASS(flavor)\
84 static const AVClass flavor ## _muxer_class = {\
85 .class_name = #flavor " muxer",\
86 .item_name = av_default_item_name,\
88 .version = LIBAVUTIL_VERSION_INT,\
91 static int get_moov_size(AVFormatContext *s);
93 static int utf8len(const uint8_t *b)
98 GET_UTF8(val, *b++, return -1;)
104 //FIXME support 64 bit variant with wide placeholders
105 static int64_t update_size(AVIOContext *pb, int64_t pos)
107 int64_t curpos = avio_tell(pb);
108 avio_seek(pb, pos, SEEK_SET);
109 avio_wb32(pb, curpos - pos); /* rewrite size */
110 avio_seek(pb, curpos, SEEK_SET);
115 static int co64_required(const MOVTrack *track)
117 if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX)
122 /* Chunk offset atom */
123 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
126 int mode64 = co64_required(track); // use 32 bit size variant if possible
127 int64_t pos = avio_tell(pb);
128 avio_wb32(pb, 0); /* size */
130 ffio_wfourcc(pb, "co64");
132 ffio_wfourcc(pb, "stco");
133 avio_wb32(pb, 0); /* version & flags */
134 avio_wb32(pb, track->chunkCount); /* entry count */
135 for (i = 0; i < track->entry; i++) {
136 if (!track->cluster[i].chunkNum)
139 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
141 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
143 return update_size(pb, pos);
146 /* Sample size atom */
147 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
150 int i, j, entries = 0, tst = -1, oldtst = -1;
152 int64_t pos = avio_tell(pb);
153 avio_wb32(pb, 0); /* size */
154 ffio_wfourcc(pb, "stsz");
155 avio_wb32(pb, 0); /* version & flags */
157 for (i = 0; i < track->entry; i++) {
158 tst = track->cluster[i].size / track->cluster[i].entries;
159 if (oldtst != -1 && tst != oldtst)
162 entries += track->cluster[i].entries;
164 if (equalChunks && track->entry) {
165 int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0;
166 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
167 avio_wb32(pb, sSize); // sample size
168 avio_wb32(pb, entries); // sample count
170 avio_wb32(pb, 0); // sample size
171 avio_wb32(pb, entries); // sample count
172 for (i = 0; i < track->entry; i++) {
173 for (j = 0; j < track->cluster[i].entries; j++) {
174 avio_wb32(pb, track->cluster[i].size /
175 track->cluster[i].entries);
179 return update_size(pb, pos);
182 /* Sample to chunk atom */
183 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
185 int index = 0, oldval = -1, i;
186 int64_t entryPos, curpos;
188 int64_t pos = avio_tell(pb);
189 avio_wb32(pb, 0); /* size */
190 ffio_wfourcc(pb, "stsc");
191 avio_wb32(pb, 0); // version & flags
192 entryPos = avio_tell(pb);
193 avio_wb32(pb, track->chunkCount); // entry count
194 for (i = 0; i < track->entry; i++) {
195 if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum) {
196 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
197 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
198 avio_wb32(pb, 0x1); // sample description index
199 oldval = track->cluster[i].samples_in_chunk;
203 curpos = avio_tell(pb);
204 avio_seek(pb, entryPos, SEEK_SET);
205 avio_wb32(pb, index); // rewrite size
206 avio_seek(pb, curpos, SEEK_SET);
208 return update_size(pb, pos);
211 /* Sync sample atom */
212 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
214 int64_t curpos, entryPos;
216 int64_t pos = avio_tell(pb);
217 avio_wb32(pb, 0); // size
218 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
219 avio_wb32(pb, 0); // version & flags
220 entryPos = avio_tell(pb);
221 avio_wb32(pb, track->entry); // entry count
222 for (i = 0; i < track->entry; i++) {
223 if (track->cluster[i].flags & flag) {
224 avio_wb32(pb, i + 1);
228 curpos = avio_tell(pb);
229 avio_seek(pb, entryPos, SEEK_SET);
230 avio_wb32(pb, index); // rewrite size
231 avio_seek(pb, curpos, SEEK_SET);
232 return update_size(pb, pos);
235 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
237 avio_wb32(pb, 0x11); /* size */
238 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
239 else ffio_wfourcc(pb, "damr");
240 ffio_wfourcc(pb, "FFMP");
241 avio_w8(pb, 0); /* decoder version */
243 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
244 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
245 avio_w8(pb, 0x01); /* Frames per sample */
249 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
254 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
256 if (track->vos_len < 7)
260 ffio_wfourcc(pb, "dac3");
262 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
263 fscod = get_bits(&gbc, 2);
264 frmsizecod = get_bits(&gbc, 6);
265 bsid = get_bits(&gbc, 5);
266 bsmod = get_bits(&gbc, 3);
267 acmod = get_bits(&gbc, 3);
269 skip_bits(&gbc, 2); // dsurmod
271 if ((acmod & 1) && acmod != 1)
272 skip_bits(&gbc, 2); // cmixlev
274 skip_bits(&gbc, 2); // surmixlev
276 lfeon = get_bits1(&gbc);
278 init_put_bits(&pbc, buf, sizeof(buf));
279 put_bits(&pbc, 2, fscod);
280 put_bits(&pbc, 5, bsid);
281 put_bits(&pbc, 3, bsmod);
282 put_bits(&pbc, 3, acmod);
283 put_bits(&pbc, 1, lfeon);
284 put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code
285 put_bits(&pbc, 5, 0); // reserved
287 flush_put_bits(&pbc);
288 avio_write(pb, buf, sizeof(buf));
298 /* Layout of the EC3SpecificBox */
299 /* maximum bitrate */
301 /* number of independent substreams */
304 /* sample rate code (see ff_ac3_sample_rate_tab) 2 bits */
306 /* bit stream identification 5 bits */
308 /* one bit reserved */
309 /* audio service mixing (not supported yet) 1 bit */
310 /* bit stream mode 3 bits */
312 /* audio coding mode 3 bits */
314 /* sub woofer on 1 bit */
316 /* 3 bits reserved */
317 /* number of dependent substreams associated with this substream 4 bits */
319 /* channel locations of the dependent substream(s), if any, 9 bits */
321 /* if there is no dependent substream, then one bit reserved instead */
322 } substream[1]; /* TODO: support 8 independent substreams */
325 static int handle_eac3(MOVMuxContext *mov, AVPacket *pkt, MOVTrack *track)
328 AC3HeaderInfo tmp, *hdr = &tmp;
329 struct eac3_info *info;
332 if (!track->eac3_priv && !(track->eac3_priv = av_mallocz(sizeof(*info))))
333 return AVERROR(ENOMEM);
334 info = track->eac3_priv;
336 init_get_bits(&gbc, pkt->data, pkt->size * 8);
337 if (avpriv_ac3_parse_header2(&gbc, &hdr) < 0) {
338 /* drop the packets until we see a good one */
340 av_log(mov, AV_LOG_WARNING, "Dropping invalid packet from start of the stream\n");
343 return AVERROR_INVALIDDATA;
346 info->data_rate = FFMAX(info->data_rate, hdr->bit_rate / 1000);
347 num_blocks = hdr->num_blocks;
349 if (!info->ec3_done) {
350 /* AC-3 substream must be the first one */
351 if (hdr->bitstream_id <= 10 && hdr->substreamid != 0)
352 return AVERROR(EINVAL);
354 /* this should always be the case, given that our AC-3 parser
355 * concatenates dependent frames to their independent parent */
356 if (hdr->frame_type == EAC3_FRAME_TYPE_INDEPENDENT) {
357 /* substream ids must be incremental */
358 if (hdr->substreamid > info->num_ind_sub + 1)
359 return AVERROR(EINVAL);
361 if (hdr->substreamid == info->num_ind_sub + 1) {
362 //info->num_ind_sub++;
363 avpriv_request_sample(track->enc, "Multiple independent substreams");
364 return AVERROR_PATCHWELCOME;
365 } else if (hdr->substreamid < info->num_ind_sub ||
366 hdr->substreamid == 0 && info->substream[0].bsid) {
372 /* fill the info needed for the "dec3" atom */
373 info->substream[hdr->substreamid].fscod = hdr->sr_code;
374 info->substream[hdr->substreamid].bsid = hdr->bitstream_id;
375 info->substream[hdr->substreamid].bsmod = hdr->bitstream_mode;
376 info->substream[hdr->substreamid].acmod = hdr->channel_mode;
377 info->substream[hdr->substreamid].lfeon = hdr->lfe_on;
379 /* Parse dependent substream(s), if any */
380 if (pkt->size != hdr->frame_size) {
381 int cumul_size = hdr->frame_size;
382 int parent = hdr->substreamid;
384 while (cumul_size != pkt->size) {
386 init_get_bits(&gbc, pkt->data + cumul_size, (pkt->size - cumul_size) * 8);
387 if (avpriv_ac3_parse_header2(&gbc, &hdr) < 0)
388 return AVERROR_INVALIDDATA;
389 if (hdr->frame_type != EAC3_FRAME_TYPE_DEPENDENT)
390 return AVERROR(EINVAL);
391 cumul_size += hdr->frame_size;
392 info->substream[parent].num_dep_sub++;
394 /* header is parsed up to lfeon, but custom channel map may be needed */
397 /* skip volume control params */
398 for (i = 0; i < (hdr->channel_mode ? 1 : 2); i++) {
399 skip_bits(&gbc, 5); // skip dialog normalization
400 if (get_bits1(&gbc)) {
401 skip_bits(&gbc, 8); // skip compression gain word
404 /* get the dependent stream channel map, if exists */
406 info->substream[parent].chan_loc |= (get_bits(&gbc, 16) >> 5) & 0x1f;
408 info->substream[parent].chan_loc |= hdr->channel_mode;
414 if (!info->num_blocks && num_blocks == 6)
416 else if (info->num_blocks + num_blocks > 6)
417 return AVERROR_INVALIDDATA;
419 if (!info->num_blocks) {
421 if ((ret = av_copy_packet(&info->pkt, pkt)) < 0)
423 info->num_blocks = num_blocks;
427 if ((ret = av_grow_packet(&info->pkt, pkt->size)) < 0)
429 memcpy(info->pkt.data + info->pkt.size - pkt->size, pkt->data, pkt->size);
430 info->num_blocks += num_blocks;
431 info->pkt.duration += pkt->duration;
432 if ((ret = av_copy_packet_side_data(&info->pkt, pkt)) < 0)
434 if (info->num_blocks != 6)
437 if ((ret = av_copy_packet(pkt, &info->pkt)) < 0)
439 av_free_packet(&info->pkt);
440 info->num_blocks = 0;
446 static int mov_write_eac3_tag(AVIOContext *pb, MOVTrack *track)
450 struct eac3_info *info;
453 if (!track->eac3_priv)
454 return AVERROR(EINVAL);
456 info = track->eac3_priv;
457 size = 2 + 4 * (info->num_ind_sub + 1);
458 buf = av_malloc(size);
460 size = AVERROR(ENOMEM);
464 init_put_bits(&pbc, buf, size);
465 put_bits(&pbc, 13, info->data_rate);
466 put_bits(&pbc, 3, info->num_ind_sub);
467 for (i = 0; i <= info->num_ind_sub; i++) {
468 put_bits(&pbc, 2, info->substream[i].fscod);
469 put_bits(&pbc, 5, info->substream[i].bsid);
470 put_bits(&pbc, 1, 0); /* reserved */
471 put_bits(&pbc, 1, 0); /* asvc */
472 put_bits(&pbc, 3, info->substream[i].bsmod);
473 put_bits(&pbc, 3, info->substream[i].acmod);
474 put_bits(&pbc, 1, info->substream[i].lfeon);
475 put_bits(&pbc, 5, 0); /* reserved */
476 put_bits(&pbc, 4, info->substream[i].num_dep_sub);
477 if (!info->substream[i].num_dep_sub) {
478 put_bits(&pbc, 1, 0); /* reserved */
481 put_bits(&pbc, 9, info->substream[i].chan_loc);
484 flush_put_bits(&pbc);
486 avio_wb32(pb, size + 8);
487 ffio_wfourcc(pb, "dec3");
488 avio_write(pb, buf, size);
493 av_free_packet(&info->pkt);
494 av_freep(&track->eac3_priv);
500 * This function writes extradata "as is".
501 * Extradata must be formatted like a valid atom (with size and tag).
503 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
505 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
506 return track->enc->extradata_size;
509 static int mov_write_enda_tag(AVIOContext *pb)
512 ffio_wfourcc(pb, "enda");
513 avio_wb16(pb, 1); /* little endian */
517 static int mov_write_enda_tag_be(AVIOContext *pb)
520 ffio_wfourcc(pb, "enda");
521 avio_wb16(pb, 0); /* big endian */
525 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
530 avio_w8(pb, (size >> (7 * i)) | 0x80);
531 avio_w8(pb, size & 0x7F);
534 static unsigned compute_avg_bitrate(MOVTrack *track)
538 if (!track->track_duration)
540 for (i = 0; i < track->entry; i++)
541 size += track->cluster[i].size;
542 return size * 8 * track->timescale / track->track_duration;
545 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
547 int64_t pos = avio_tell(pb);
548 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
549 unsigned avg_bitrate;
551 avio_wb32(pb, 0); // size
552 ffio_wfourcc(pb, "esds");
553 avio_wb32(pb, 0); // Version
556 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
557 avio_wb16(pb, track->track_id);
558 avio_w8(pb, 0x00); // flags (= no flags)
560 // DecoderConfig descriptor
561 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
563 // Object type indication
564 if ((track->enc->codec_id == AV_CODEC_ID_MP2 ||
565 track->enc->codec_id == AV_CODEC_ID_MP3) &&
566 track->enc->sample_rate > 24000)
567 avio_w8(pb, 0x6B); // 11172-3
569 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
571 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
572 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
573 if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
574 avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
575 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
576 avio_w8(pb, 0x15); // flags (= Audiostream)
578 avio_w8(pb, 0x11); // flags (= Visualstream)
580 avio_wb24(pb, track->enc->rc_buffer_size >> 3); // Buffersize DB
582 avg_bitrate = compute_avg_bitrate(track);
583 // maxbitrate (FIXME should be max rate in any 1 sec window)
584 avio_wb32(pb, FFMAX3(track->enc->bit_rate, track->enc->rc_max_rate, avg_bitrate));
585 avio_wb32(pb, avg_bitrate);
587 if (track->vos_len) {
588 // DecoderSpecific info descriptor
589 put_descr(pb, 0x05, track->vos_len);
590 avio_write(pb, track->vos_data, track->vos_len);
594 put_descr(pb, 0x06, 1);
596 return update_size(pb, pos);
599 static int mov_pcm_le_gt16(enum AVCodecID codec_id)
601 return codec_id == AV_CODEC_ID_PCM_S24LE ||
602 codec_id == AV_CODEC_ID_PCM_S32LE ||
603 codec_id == AV_CODEC_ID_PCM_F32LE ||
604 codec_id == AV_CODEC_ID_PCM_F64LE;
607 static int mov_pcm_be_gt16(enum AVCodecID codec_id)
609 return codec_id == AV_CODEC_ID_PCM_S24BE ||
610 codec_id == AV_CODEC_ID_PCM_S32BE ||
611 codec_id == AV_CODEC_ID_PCM_F32BE ||
612 codec_id == AV_CODEC_ID_PCM_F64BE;
615 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
618 int64_t pos = avio_tell(pb);
620 avio_wl32(pb, track->tag); // store it byteswapped
621 track->enc->codec_tag = av_bswap16(track->tag >> 16);
622 if ((ret = ff_put_wav_header(pb, track->enc, 0)) < 0)
624 return update_size(pb, pos);
627 static int mov_write_wfex_tag(AVIOContext *pb, MOVTrack *track)
630 int64_t pos = avio_tell(pb);
632 ffio_wfourcc(pb, "wfex");
633 if ((ret = ff_put_wav_header(pb, track->enc, FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX)) < 0)
635 return update_size(pb, pos);
638 static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
640 uint32_t layout_tag, bitmap;
641 int64_t pos = avio_tell(pb);
643 layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
644 track->enc->channel_layout,
647 av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
648 "lack of channel information\n");
652 if (track->multichannel_as_mono)
655 avio_wb32(pb, 0); // Size
656 ffio_wfourcc(pb, "chan"); // Type
657 avio_w8(pb, 0); // Version
658 avio_wb24(pb, 0); // Flags
659 avio_wb32(pb, layout_tag); // mChannelLayoutTag
660 avio_wb32(pb, bitmap); // mChannelBitmap
661 avio_wb32(pb, 0); // mNumberChannelDescriptions
663 return update_size(pb, pos);
666 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
668 int64_t pos = avio_tell(pb);
670 avio_wb32(pb, 0); /* size */
671 ffio_wfourcc(pb, "wave");
673 if (track->enc->codec_id != AV_CODEC_ID_QDM2) {
674 avio_wb32(pb, 12); /* size */
675 ffio_wfourcc(pb, "frma");
676 avio_wl32(pb, track->tag);
679 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
680 /* useless atom needed by mplayer, ipod, not needed by quicktime */
681 avio_wb32(pb, 12); /* size */
682 ffio_wfourcc(pb, "mp4a");
684 mov_write_esds_tag(pb, track);
685 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
686 mov_write_enda_tag(pb);
687 } else if (mov_pcm_be_gt16(track->enc->codec_id)) {
688 mov_write_enda_tag_be(pb);
689 } else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB) {
690 mov_write_amr_tag(pb, track);
691 } else if (track->enc->codec_id == AV_CODEC_ID_AC3) {
692 mov_write_ac3_tag(pb, track);
693 } else if (track->enc->codec_id == AV_CODEC_ID_EAC3) {
694 mov_write_eac3_tag(pb, track);
695 } else if (track->enc->codec_id == AV_CODEC_ID_ALAC ||
696 track->enc->codec_id == AV_CODEC_ID_QDM2) {
697 mov_write_extradata_tag(pb, track);
698 } else if (track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
699 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
700 mov_write_ms_tag(pb, track);
703 avio_wb32(pb, 8); /* size */
704 avio_wb32(pb, 0); /* null tag */
706 return update_size(pb, pos);
709 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
712 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
713 int unescaped_size, seq_found = 0;
714 int level = 0, interlace = 0;
715 int packet_seq = track->vc1_info.packet_seq;
716 int packet_entry = track->vc1_info.packet_entry;
717 int slices = track->vc1_info.slices;
720 if (track->start_dts == AV_NOPTS_VALUE) {
721 /* No packets written yet, vc1_info isn't authoritative yet. */
722 /* Assume inline sequence and entry headers. */
723 packet_seq = packet_entry = 1;
724 av_log(NULL, AV_LOG_WARNING,
725 "moov atom written before any packets, unable to write correct "
726 "dvc1 atom. Set the delay_moov flag to fix this.\n");
729 unescaped = av_mallocz(track->vos_len + FF_INPUT_BUFFER_PADDING_SIZE);
731 return AVERROR(ENOMEM);
732 start = find_next_marker(track->vos_data, end);
733 for (next = start; next < end; start = next) {
736 next = find_next_marker(start + 4, end);
737 size = next - start - 4;
740 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
741 init_get_bits(&gb, unescaped, 8 * unescaped_size);
742 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
743 int profile = get_bits(&gb, 2);
744 if (profile != PROFILE_ADVANCED) {
746 return AVERROR(ENOSYS);
749 level = get_bits(&gb, 3);
750 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
752 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
753 skip_bits(&gb, 1); /* broadcast */
754 interlace = get_bits1(&gb);
755 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
760 return AVERROR(ENOSYS);
763 init_put_bits(&pbc, buf, 7);
764 /* VC1DecSpecStruc */
765 put_bits(&pbc, 4, 12); /* profile - advanced */
766 put_bits(&pbc, 3, level);
767 put_bits(&pbc, 1, 0); /* reserved */
768 /* VC1AdvDecSpecStruc */
769 put_bits(&pbc, 3, level);
770 put_bits(&pbc, 1, 0); /* cbr */
771 put_bits(&pbc, 6, 0); /* reserved */
772 put_bits(&pbc, 1, !interlace); /* no interlace */
773 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
774 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
775 put_bits(&pbc, 1, !slices); /* no slice code */
776 put_bits(&pbc, 1, 0); /* no bframe */
777 put_bits(&pbc, 1, 0); /* reserved */
780 if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0)
781 put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den);
783 put_bits32(&pbc, 0xffffffff);
785 flush_put_bits(&pbc);
792 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
794 uint8_t buf[7] = { 0 };
797 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
800 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
801 ffio_wfourcc(pb, "dvc1");
802 avio_write(pb, buf, sizeof(buf));
803 avio_write(pb, track->vos_data, track->vos_len);
808 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
810 avio_wb32(pb, track->vos_len + 8);
811 ffio_wfourcc(pb, "glbl");
812 avio_write(pb, track->vos_data, track->vos_len);
813 return 8 + track->vos_len;
817 * Compute flags for 'lpcm' tag.
818 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
820 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
823 case AV_CODEC_ID_PCM_F32BE:
824 case AV_CODEC_ID_PCM_F64BE:
826 case AV_CODEC_ID_PCM_F32LE:
827 case AV_CODEC_ID_PCM_F64LE:
829 case AV_CODEC_ID_PCM_U8:
831 case AV_CODEC_ID_PCM_S16BE:
832 case AV_CODEC_ID_PCM_S24BE:
833 case AV_CODEC_ID_PCM_S32BE:
835 case AV_CODEC_ID_PCM_S8:
836 case AV_CODEC_ID_PCM_S16LE:
837 case AV_CODEC_ID_PCM_S24LE:
838 case AV_CODEC_ID_PCM_S32LE:
845 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
849 if (cluster_idx >= track->entry)
852 if (cluster_idx + 1 == track->entry)
853 next_dts = track->track_duration + track->start_dts;
855 next_dts = track->cluster[cluster_idx + 1].dts;
857 next_dts -= track->cluster[cluster_idx].dts;
859 av_assert0(next_dts >= 0);
860 av_assert0(next_dts <= INT_MAX);
865 static int get_samples_per_packet(MOVTrack *track)
867 int i, first_duration;
869 // return track->enc->frame_size;
871 /* use 1 for raw PCM */
872 if (!track->audio_vbr)
875 /* check to see if duration is constant for all clusters */
878 first_duration = get_cluster_duration(track, 0);
879 for (i = 1; i < track->entry; i++) {
880 if (get_cluster_duration(track, i) != first_duration)
883 return first_duration;
886 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
888 int64_t pos = avio_tell(pb);
890 uint32_t tag = track->tag;
892 if (track->mode == MODE_MOV) {
893 if (track->timescale > UINT16_MAX) {
894 if (mov_get_lpcm_flags(track->enc->codec_id))
895 tag = AV_RL32("lpcm");
897 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
898 mov_pcm_be_gt16(track->enc->codec_id) ||
899 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
900 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
901 track->enc->codec_id == AV_CODEC_ID_QDM2) {
906 avio_wb32(pb, 0); /* size */
907 avio_wl32(pb, tag); // store it byteswapped
908 avio_wb32(pb, 0); /* Reserved */
909 avio_wb16(pb, 0); /* Reserved */
910 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
912 /* SoundDescription */
913 avio_wb16(pb, version); /* Version */
914 avio_wb16(pb, 0); /* Revision level */
915 avio_wb32(pb, 0); /* Reserved */
920 avio_wb16(pb, 0xfffe);
922 avio_wb32(pb, 0x00010000);
924 avio_wb64(pb, av_double2int(track->enc->sample_rate));
925 avio_wb32(pb, track->enc->channels);
926 avio_wb32(pb, 0x7F000000);
927 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
928 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
929 avio_wb32(pb, track->sample_size);
930 avio_wb32(pb, get_samples_per_packet(track));
932 if (track->mode == MODE_MOV) {
933 avio_wb16(pb, track->enc->channels);
934 if (track->enc->codec_id == AV_CODEC_ID_PCM_U8 ||
935 track->enc->codec_id == AV_CODEC_ID_PCM_S8)
936 avio_wb16(pb, 8); /* bits per sample */
937 else if (track->enc->codec_id == AV_CODEC_ID_ADPCM_G726)
938 avio_wb16(pb, track->enc->bits_per_coded_sample);
941 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
942 } else { /* reserved for mp4/3gp */
948 avio_wb16(pb, 0); /* packet size (= 0) */
949 avio_wb16(pb, track->enc->sample_rate <= UINT16_MAX ?
950 track->enc->sample_rate : 0);
951 avio_wb16(pb, 0); /* Reserved */
954 if (version == 1) { /* SoundDescription V1 extended info */
955 if (mov_pcm_le_gt16(track->enc->codec_id) ||
956 mov_pcm_be_gt16(track->enc->codec_id))
957 avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
959 avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
960 avio_wb32(pb, track->sample_size / track->enc->channels); /* Bytes per packet */
961 avio_wb32(pb, track->sample_size); /* Bytes per frame */
962 avio_wb32(pb, 2); /* Bytes per sample */
965 if (track->mode == MODE_MOV &&
966 (track->enc->codec_id == AV_CODEC_ID_AAC ||
967 track->enc->codec_id == AV_CODEC_ID_AC3 ||
968 track->enc->codec_id == AV_CODEC_ID_EAC3 ||
969 track->enc->codec_id == AV_CODEC_ID_AMR_NB ||
970 track->enc->codec_id == AV_CODEC_ID_ALAC ||
971 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
972 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
973 track->enc->codec_id == AV_CODEC_ID_QDM2 ||
974 (mov_pcm_le_gt16(track->enc->codec_id) && version==1) ||
975 (mov_pcm_be_gt16(track->enc->codec_id) && version==1)))
976 mov_write_wave_tag(pb, track);
977 else if (track->tag == MKTAG('m','p','4','a'))
978 mov_write_esds_tag(pb, track);
979 else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB)
980 mov_write_amr_tag(pb, track);
981 else if (track->enc->codec_id == AV_CODEC_ID_AC3)
982 mov_write_ac3_tag(pb, track);
983 else if (track->enc->codec_id == AV_CODEC_ID_EAC3)
984 mov_write_eac3_tag(pb, track);
985 else if (track->enc->codec_id == AV_CODEC_ID_ALAC)
986 mov_write_extradata_tag(pb, track);
987 else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO)
988 mov_write_wfex_tag(pb, track);
989 else if (track->vos_len > 0)
990 mov_write_glbl_tag(pb, track);
992 if (track->mode == MODE_MOV && track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
993 mov_write_chan_tag(pb, track);
995 return update_size(pb, pos);
998 static int mov_write_d263_tag(AVIOContext *pb)
1000 avio_wb32(pb, 0xf); /* size */
1001 ffio_wfourcc(pb, "d263");
1002 ffio_wfourcc(pb, "FFMP");
1003 avio_w8(pb, 0); /* decoder version */
1004 /* FIXME use AVCodecContext level/profile, when encoder will set values */
1005 avio_w8(pb, 0xa); /* level */
1006 avio_w8(pb, 0); /* profile */
1010 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
1012 int64_t pos = avio_tell(pb);
1015 ffio_wfourcc(pb, "avcC");
1016 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
1017 return update_size(pb, pos);
1020 static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
1022 int64_t pos = avio_tell(pb);
1025 ffio_wfourcc(pb, "hvcC");
1026 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
1027 return update_size(pb, pos);
1030 /* also used by all avid codecs (dv, imx, meridien) and their variants */
1031 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
1034 avio_wb32(pb, 24); /* size */
1035 ffio_wfourcc(pb, "ACLR");
1036 ffio_wfourcc(pb, "ACLR");
1037 ffio_wfourcc(pb, "0001");
1038 if (track->enc->color_range == AVCOL_RANGE_MPEG) { /* Legal range (16-235) */
1039 avio_wb32(pb, 1); /* Corresponds to 709 in official encoder */
1040 } else { /* Full range (0-255) */
1041 avio_wb32(pb, 2); /* Corresponds to RGB in official encoder */
1043 avio_wb32(pb, 0); /* unknown */
1045 avio_wb32(pb, 24); /* size */
1046 ffio_wfourcc(pb, "APRG");
1047 ffio_wfourcc(pb, "APRG");
1048 ffio_wfourcc(pb, "0001");
1049 avio_wb32(pb, 1); /* unknown */
1050 avio_wb32(pb, 0); /* unknown */
1052 avio_wb32(pb, 120); /* size */
1053 ffio_wfourcc(pb, "ARES");
1054 ffio_wfourcc(pb, "ARES");
1055 ffio_wfourcc(pb, "0001");
1056 avio_wb32(pb, AV_RB32(track->vos_data + 0x28)); /* dnxhd cid, some id ? */
1057 avio_wb32(pb, track->enc->width);
1058 /* values below are based on samples created with quicktime and avid codecs */
1059 if (track->vos_data[5] & 2) { // interlaced
1060 avio_wb32(pb, track->enc->height / 2);
1061 avio_wb32(pb, 2); /* unknown */
1062 avio_wb32(pb, 0); /* unknown */
1063 avio_wb32(pb, 4); /* unknown */
1065 avio_wb32(pb, track->enc->height);
1066 avio_wb32(pb, 1); /* unknown */
1067 avio_wb32(pb, 0); /* unknown */
1068 if (track->enc->height == 1080)
1069 avio_wb32(pb, 5); /* unknown */
1071 avio_wb32(pb, 6); /* unknown */
1074 for (i = 0; i < 10; i++)
1077 /* extra padding for stsd needed */
1082 static int mov_write_dpxe_tag(AVIOContext *pb, MOVTrack *track)
1085 ffio_wfourcc(pb, "DpxE");
1086 if (track->enc->extradata_size >= 12 &&
1087 !memcmp(&track->enc->extradata[4], "DpxE", 4)) {
1088 avio_wb32(pb, track->enc->extradata[11]);
1095 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1097 int tag = track->enc->codec_tag;
1099 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
1102 if (track->enc->codec_id == AV_CODEC_ID_H264) tag = MKTAG('a','v','c','1');
1103 else if (track->enc->codec_id == AV_CODEC_ID_HEVC) tag = MKTAG('h','e','v','1');
1104 else if (track->enc->codec_id == AV_CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
1105 else if (track->enc->codec_id == AV_CODEC_ID_EAC3) tag = MKTAG('e','c','-','3');
1106 else if (track->enc->codec_id == AV_CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
1107 else if (track->enc->codec_id == AV_CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
1108 else if (track->enc->codec_id == AV_CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
1109 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
1110 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
1111 else if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE) tag = MKTAG('m','p','4','s');
1116 static const AVCodecTag codec_ipod_tags[] = {
1117 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1118 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
1119 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1120 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
1121 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
1122 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
1123 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
1124 { AV_CODEC_ID_NONE, 0 },
1127 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1129 int tag = track->enc->codec_tag;
1131 // keep original tag for subs, ipod supports both formats
1132 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
1133 (tag == MKTAG('t', 'x', '3', 'g') ||
1134 tag == MKTAG('t', 'e', 'x', 't'))))
1135 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
1137 if (!av_match_ext(s->filename, "m4a") &&
1138 !av_match_ext(s->filename, "m4b") &&
1139 !av_match_ext(s->filename, "m4v"))
1140 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a, .m4v nor .m4b "
1141 "Quicktime/Ipod might not play the file\n");
1146 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
1150 if (track->enc->width == 720) { /* SD */
1151 if (track->enc->height == 480) { /* NTSC */
1152 if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
1153 else tag = MKTAG('d','v','c',' ');
1154 }else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
1155 else if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
1156 else tag = MKTAG('d','v','p','p');
1157 } else if (track->enc->height == 720) { /* HD 720 line */
1158 if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q');
1159 else tag = MKTAG('d','v','h','p');
1160 } else if (track->enc->height == 1080) { /* HD 1080 line */
1161 if (track->st->time_base.den == 25) tag = MKTAG('d','v','h','5');
1162 else tag = MKTAG('d','v','h','6');
1164 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
1171 static AVRational find_fps(AVFormatContext *s, AVStream *st)
1173 AVRational rate = {st->codec->time_base.den, st->codec->time_base.num};
1174 /* if the codec time base makes no sense, try to fallback on stream frame rate */
1175 if (av_timecode_check_frame_rate(rate) < 0) {
1176 av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
1177 rate.num, rate.den, st->avg_frame_rate.num, st->avg_frame_rate.den);
1178 rate = st->avg_frame_rate;
1184 static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext *s, MOVTrack *track)
1186 int tag = track->enc->codec_tag;
1187 int interlaced = track->enc->field_order > AV_FIELD_PROGRESSIVE;
1188 AVStream *st = track->st;
1189 int rate = av_q2d(find_fps(s, st));
1192 tag = MKTAG('m', '2', 'v', '1'); //fallback tag
1194 if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) {
1195 if (track->enc->width == 1280 && track->enc->height == 720) {
1197 if (rate == 24) tag = MKTAG('x','d','v','4');
1198 else if (rate == 25) tag = MKTAG('x','d','v','5');
1199 else if (rate == 30) tag = MKTAG('x','d','v','1');
1200 else if (rate == 50) tag = MKTAG('x','d','v','a');
1201 else if (rate == 60) tag = MKTAG('x','d','v','9');
1203 } else if (track->enc->width == 1440 && track->enc->height == 1080) {
1205 if (rate == 24) tag = MKTAG('x','d','v','6');
1206 else if (rate == 25) tag = MKTAG('x','d','v','7');
1207 else if (rate == 30) tag = MKTAG('x','d','v','8');
1209 if (rate == 25) tag = MKTAG('x','d','v','3');
1210 else if (rate == 30) tag = MKTAG('x','d','v','2');
1212 } else if (track->enc->width == 1920 && track->enc->height == 1080) {
1214 if (rate == 24) tag = MKTAG('x','d','v','d');
1215 else if (rate == 25) tag = MKTAG('x','d','v','e');
1216 else if (rate == 30) tag = MKTAG('x','d','v','f');
1218 if (rate == 25) tag = MKTAG('x','d','v','c');
1219 else if (rate == 30) tag = MKTAG('x','d','v','b');
1222 } else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) {
1223 if (track->enc->width == 1280 && track->enc->height == 720) {
1225 if (rate == 24) tag = MKTAG('x','d','5','4');
1226 else if (rate == 25) tag = MKTAG('x','d','5','5');
1227 else if (rate == 30) tag = MKTAG('x','d','5','1');
1228 else if (rate == 50) tag = MKTAG('x','d','5','a');
1229 else if (rate == 60) tag = MKTAG('x','d','5','9');
1231 } else if (track->enc->width == 1920 && track->enc->height == 1080) {
1233 if (rate == 24) tag = MKTAG('x','d','5','d');
1234 else if (rate == 25) tag = MKTAG('x','d','5','e');
1235 else if (rate == 30) tag = MKTAG('x','d','5','f');
1237 if (rate == 25) tag = MKTAG('x','d','5','c');
1238 else if (rate == 30) tag = MKTAG('x','d','5','b');
1246 static int mov_get_h264_codec_tag(AVFormatContext *s, MOVTrack *track)
1248 int tag = track->enc->codec_tag;
1249 int interlaced = track->enc->field_order > AV_FIELD_PROGRESSIVE;
1250 AVStream *st = track->st;
1251 int rate = av_q2d(find_fps(s, st));
1254 tag = MKTAG('a', 'v', 'c', 'i'); //fallback tag
1256 if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P10) {
1257 if (track->enc->width == 960 && track->enc->height == 720) {
1259 if (rate == 24) tag = MKTAG('a','i','5','p');
1260 else if (rate == 25) tag = MKTAG('a','i','5','q');
1261 else if (rate == 30) tag = MKTAG('a','i','5','p');
1262 else if (rate == 50) tag = MKTAG('a','i','5','q');
1263 else if (rate == 60) tag = MKTAG('a','i','5','p');
1265 } else if (track->enc->width == 1440 && track->enc->height == 1080) {
1267 if (rate == 24) tag = MKTAG('a','i','5','3');
1268 else if (rate == 25) tag = MKTAG('a','i','5','2');
1269 else if (rate == 30) tag = MKTAG('a','i','5','3');
1271 if (rate == 50) tag = MKTAG('a','i','5','5');
1272 else if (rate == 60) tag = MKTAG('a','i','5','6');
1275 } else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P10) {
1276 if (track->enc->width == 1280 && track->enc->height == 720) {
1278 if (rate == 24) tag = MKTAG('a','i','1','p');
1279 else if (rate == 25) tag = MKTAG('a','i','1','q');
1280 else if (rate == 30) tag = MKTAG('a','i','1','p');
1281 else if (rate == 50) tag = MKTAG('a','i','1','q');
1282 else if (rate == 60) tag = MKTAG('a','i','1','p');
1284 } else if (track->enc->width == 1920 && track->enc->height == 1080) {
1286 if (rate == 24) tag = MKTAG('a','i','1','3');
1287 else if (rate == 25) tag = MKTAG('a','i','1','2');
1288 else if (rate == 30) tag = MKTAG('a','i','1','3');
1290 if (rate == 25) tag = MKTAG('a','i','1','5');
1291 else if (rate == 50) tag = MKTAG('a','i','1','5');
1292 else if (rate == 60) tag = MKTAG('a','i','1','6');
1294 } else if ( track->enc->width == 4096 && track->enc->height == 2160
1295 || track->enc->width == 3840 && track->enc->height == 2160
1296 || track->enc->width == 2048 && track->enc->height == 1080) {
1297 tag = MKTAG('a','i','v','x');
1304 static const struct {
1305 enum AVPixelFormat pix_fmt;
1308 } mov_pix_fmt_tags[] = {
1309 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
1310 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
1311 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
1312 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
1313 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
1314 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
1315 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
1316 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
1317 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
1318 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
1319 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
1320 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
1321 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
1322 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
1323 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
1326 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
1328 int tag = track->enc->codec_tag;
1330 enum AVPixelFormat pix_fmt;
1332 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
1333 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
1334 tag = mov_pix_fmt_tags[i].tag;
1335 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
1336 if (track->enc->codec_tag == mov_pix_fmt_tags[i].tag)
1341 pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_mov,
1342 track->enc->bits_per_coded_sample);
1343 if (tag == MKTAG('r','a','w',' ') &&
1344 track->enc->pix_fmt != pix_fmt &&
1345 track->enc->pix_fmt != AV_PIX_FMT_NONE)
1346 av_log(s, AV_LOG_ERROR, "%s rawvideo cannot be written to mov, output file will be unreadable\n",
1347 av_get_pix_fmt_name(track->enc->pix_fmt));
1351 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1353 int tag = track->enc->codec_tag;
1355 if (!tag || (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
1356 (track->enc->codec_id == AV_CODEC_ID_DVVIDEO ||
1357 track->enc->codec_id == AV_CODEC_ID_RAWVIDEO ||
1358 track->enc->codec_id == AV_CODEC_ID_H263 ||
1359 track->enc->codec_id == AV_CODEC_ID_H264 ||
1360 track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
1361 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
1362 if (track->enc->codec_id == AV_CODEC_ID_DVVIDEO)
1363 tag = mov_get_dv_codec_tag(s, track);
1364 else if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO)
1365 tag = mov_get_rawvideo_codec_tag(s, track);
1366 else if (track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO)
1367 tag = mov_get_mpeg2_xdcam_codec_tag(s, track);
1368 else if (track->enc->codec_id == AV_CODEC_ID_H264)
1369 tag = mov_get_h264_codec_tag(s, track);
1370 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1371 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->enc->codec_id);
1372 if (!tag) { // if no mac fcc found, try with Microsoft tags
1373 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
1375 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
1376 "the file may be unplayable!\n");
1378 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1379 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->enc->codec_id);
1380 if (!tag) { // if no mac fcc found, try with Microsoft tags
1381 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
1383 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
1384 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
1385 "the file may be unplayable!\n");
1388 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1389 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
1395 static const AVCodecTag codec_3gp_tags[] = {
1396 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
1397 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1398 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
1399 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1400 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
1401 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
1402 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
1403 { AV_CODEC_ID_NONE, 0 },
1406 static const AVCodecTag codec_f4v_tags[] = { // XXX: add GIF/PNG/JPEG?
1407 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
1408 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1409 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1410 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
1411 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
1412 { AV_CODEC_ID_NONE, 0 },
1415 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
1419 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
1420 tag = mp4_get_codec_tag(s, track);
1421 else if (track->mode == MODE_ISM) {
1422 tag = mp4_get_codec_tag(s, track);
1423 if (!tag && track->enc->codec_id == AV_CODEC_ID_WMAPRO)
1424 tag = MKTAG('w', 'm', 'a', ' ');
1425 } else if (track->mode == MODE_IPOD)
1426 tag = ipod_get_codec_tag(s, track);
1427 else if (track->mode & MODE_3GP)
1428 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
1429 else if (track->mode == MODE_F4V)
1430 tag = ff_codec_get_tag(codec_f4v_tags, track->enc->codec_id);
1432 tag = mov_get_codec_tag(s, track);
1437 /** Write uuid atom.
1438 * Needed to make file play in iPods running newest firmware
1439 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1441 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1444 ffio_wfourcc(pb, "uuid");
1445 avio_wb32(pb, 0x6b6840f2);
1446 avio_wb32(pb, 0x5f244fc5);
1447 avio_wb32(pb, 0xba39a51b);
1448 avio_wb32(pb, 0xcf0323f3);
1453 static const uint16_t fiel_data[] = {
1454 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1457 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
1459 unsigned mov_field_order = 0;
1460 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
1461 mov_field_order = fiel_data[track->enc->field_order];
1465 ffio_wfourcc(pb, "fiel");
1466 avio_wb16(pb, mov_field_order);
1470 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1472 int64_t pos = avio_tell(pb);
1473 avio_wb32(pb, 0); /* size */
1474 avio_wl32(pb, track->tag); // store it byteswapped
1475 avio_wb32(pb, 0); /* Reserved */
1476 avio_wb16(pb, 0); /* Reserved */
1477 avio_wb16(pb, 1); /* Data-reference index */
1479 if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
1480 mov_write_esds_tag(pb, track);
1481 else if (track->enc->extradata_size)
1482 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1484 return update_size(pb, pos);
1487 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1490 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
1491 track->enc->sample_aspect_ratio.den, INT_MAX);
1494 ffio_wfourcc(pb, "pasp");
1495 avio_wb32(pb, sar.num);
1496 avio_wb32(pb, sar.den);
1500 static int mov_write_colr_tag(AVIOContext *pb, MOVTrack *track)
1502 // Ref: https://developer.apple.com/library/mac/technotes/tn2162/_index.html#//apple_ref/doc/uid/DTS40013070-CH1-TNTAG9
1504 if (track->enc->color_primaries == AVCOL_PRI_UNSPECIFIED &&
1505 track->enc->color_trc == AVCOL_TRC_UNSPECIFIED &&
1506 track->enc->colorspace == AVCOL_SPC_UNSPECIFIED) {
1507 if ((track->enc->width >= 1920 && track->enc->height >= 1080)
1508 || (track->enc->width == 1280 && track->enc->height == 720)) {
1509 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming bt709\n");
1510 track->enc->color_primaries = AVCOL_PRI_BT709;
1511 } else if (track->enc->width == 720 && track->height == 576) {
1512 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming bt470bg\n");
1513 track->enc->color_primaries = AVCOL_PRI_BT470BG;
1514 } else if (track->enc->width == 720 &&
1515 (track->height == 486 || track->height == 480)) {
1516 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming smpte170\n");
1517 track->enc->color_primaries = AVCOL_PRI_SMPTE170M;
1519 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, unable to assume anything\n");
1521 switch (track->enc->color_primaries) {
1522 case AVCOL_PRI_BT709:
1523 track->enc->color_trc = AVCOL_TRC_BT709;
1524 track->enc->colorspace = AVCOL_SPC_BT709;
1526 case AVCOL_PRI_SMPTE170M:
1527 case AVCOL_PRI_BT470BG:
1528 track->enc->color_trc = AVCOL_TRC_BT709;
1529 track->enc->colorspace = AVCOL_SPC_SMPTE170M;
1535 ffio_wfourcc(pb, "colr");
1536 ffio_wfourcc(pb, "nclc");
1537 switch (track->enc->color_primaries) {
1538 case AVCOL_PRI_BT709: avio_wb16(pb, 1); break;
1539 case AVCOL_PRI_SMPTE170M:
1540 case AVCOL_PRI_SMPTE240M: avio_wb16(pb, 6); break;
1541 case AVCOL_PRI_BT470BG: avio_wb16(pb, 5); break;
1542 default: avio_wb16(pb, 2);
1544 switch (track->enc->color_trc) {
1545 case AVCOL_TRC_BT709: avio_wb16(pb, 1); break;
1546 case AVCOL_TRC_SMPTE170M: avio_wb16(pb, 1); break; // remapped
1547 case AVCOL_TRC_SMPTE240M: avio_wb16(pb, 7); break;
1548 default: avio_wb16(pb, 2);
1550 switch (track->enc->colorspace) {
1551 case AVCOL_TRC_BT709: avio_wb16(pb, 1); break;
1552 case AVCOL_PRI_SMPTE170M: avio_wb16(pb, 6); break;
1553 case AVCOL_PRI_SMPTE240M: avio_wb16(pb, 7); break;
1554 default: avio_wb16(pb, 2);
1560 static void find_compressor(char * compressor_name, int len, MOVTrack *track)
1562 AVDictionaryEntry *encoder;
1563 int xdcam_res = (track->enc->width == 1280 && track->enc->height == 720)
1564 || (track->enc->width == 1440 && track->enc->height == 1080)
1565 || (track->enc->width == 1920 && track->enc->height == 1080);
1567 if (track->mode == MODE_MOV &&
1568 (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0))) {
1569 av_strlcpy(compressor_name, encoder->value, 32);
1570 } else if (track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) {
1571 int interlaced = track->enc->field_order > AV_FIELD_PROGRESSIVE;
1572 AVStream *st = track->st;
1573 int rate = av_q2d(find_fps(NULL, st));
1574 av_strlcatf(compressor_name, len, "XDCAM");
1575 if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) {
1576 av_strlcatf(compressor_name, len, " HD422");
1577 } else if(track->enc->width == 1440) {
1578 av_strlcatf(compressor_name, len, " HD");
1580 av_strlcatf(compressor_name, len, " EX");
1582 av_strlcatf(compressor_name, len, " %d%c", track->enc->height, interlaced ? 'i' : 'p');
1584 av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1));
1588 static int mov_write_video_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1590 int64_t pos = avio_tell(pb);
1591 char compressor_name[32] = { 0 };
1593 avio_wb32(pb, 0); /* size */
1594 avio_wl32(pb, track->tag); // store it byteswapped
1595 avio_wb32(pb, 0); /* Reserved */
1596 avio_wb16(pb, 0); /* Reserved */
1597 avio_wb16(pb, 1); /* Data-reference index */
1599 avio_wb16(pb, 0); /* Codec stream version */
1600 avio_wb16(pb, 0); /* Codec stream revision (=0) */
1601 if (track->mode == MODE_MOV) {
1602 ffio_wfourcc(pb, "FFMP"); /* Vendor */
1603 if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO) {
1604 avio_wb32(pb, 0); /* Temporal Quality */
1605 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1607 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1608 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1611 avio_wb32(pb, 0); /* Reserved */
1612 avio_wb32(pb, 0); /* Reserved */
1613 avio_wb32(pb, 0); /* Reserved */
1615 avio_wb16(pb, track->enc->width); /* Video width */
1616 avio_wb16(pb, track->height); /* Video height */
1617 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1618 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1619 avio_wb32(pb, 0); /* Data size (= 0) */
1620 avio_wb16(pb, 1); /* Frame count (= 1) */
1622 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1623 find_compressor(compressor_name, 32, track);
1624 avio_w8(pb, strlen(compressor_name));
1625 avio_write(pb, compressor_name, 31);
1627 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
1628 avio_wb16(pb, track->enc->bits_per_coded_sample);
1630 avio_wb16(pb, 0x18); /* Reserved */
1631 avio_wb16(pb, 0xffff); /* Reserved */
1632 if (track->tag == MKTAG('m','p','4','v'))
1633 mov_write_esds_tag(pb, track);
1634 else if (track->enc->codec_id == AV_CODEC_ID_H263)
1635 mov_write_d263_tag(pb);
1636 else if (track->enc->codec_id == AV_CODEC_ID_AVUI ||
1637 track->enc->codec_id == AV_CODEC_ID_SVQ3) {
1638 mov_write_extradata_tag(pb, track);
1640 } else if (track->enc->codec_id == AV_CODEC_ID_DNXHD)
1641 mov_write_avid_tag(pb, track);
1642 else if (track->enc->codec_id == AV_CODEC_ID_HEVC)
1643 mov_write_hvcc_tag(pb, track);
1644 else if (track->enc->codec_id == AV_CODEC_ID_H264 && !TAG_IS_AVCI(track->tag)) {
1645 mov_write_avcc_tag(pb, track);
1646 if (track->mode == MODE_IPOD)
1647 mov_write_uuid_tag_ipod(pb);
1648 } else if (track->enc->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
1649 mov_write_dvc1_tag(pb, track);
1650 else if (track->enc->codec_id == AV_CODEC_ID_VP6F ||
1651 track->enc->codec_id == AV_CODEC_ID_VP6A) {
1652 /* Don't write any potential extradata here - the cropping
1653 * is signalled via the normal width/height fields. */
1654 } else if (track->enc->codec_id == AV_CODEC_ID_R10K) {
1655 if (track->enc->codec_tag == MKTAG('R','1','0','k'))
1656 mov_write_dpxe_tag(pb, track);
1657 } else if (track->vos_len > 0)
1658 mov_write_glbl_tag(pb, track);
1660 if (track->enc->codec_id != AV_CODEC_ID_H264 &&
1661 track->enc->codec_id != AV_CODEC_ID_MPEG4 &&
1662 track->enc->codec_id != AV_CODEC_ID_DNXHD)
1663 if (track->enc->field_order != AV_FIELD_UNKNOWN)
1664 mov_write_fiel_tag(pb, track);
1666 if (mov->flags & FF_MOV_FLAG_WRITE_COLR)
1667 mov_write_colr_tag(pb, track);
1669 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
1670 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
1671 mov_write_pasp_tag(pb, track);
1674 return update_size(pb, pos);
1677 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1679 int64_t pos = avio_tell(pb);
1680 avio_wb32(pb, 0); /* size */
1681 ffio_wfourcc(pb, "rtp ");
1682 avio_wb32(pb, 0); /* Reserved */
1683 avio_wb16(pb, 0); /* Reserved */
1684 avio_wb16(pb, 1); /* Data-reference index */
1686 avio_wb16(pb, 1); /* Hint track version */
1687 avio_wb16(pb, 1); /* Highest compatible version */
1688 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1690 avio_wb32(pb, 12); /* size */
1691 ffio_wfourcc(pb, "tims");
1692 avio_wb32(pb, track->timescale);
1694 return update_size(pb, pos);
1697 static int mov_write_source_reference_tag(AVIOContext *pb, MOVTrack *track, const char *reel_name)
1699 uint64_t str_size =strlen(reel_name);
1700 int64_t pos = avio_tell(pb);
1702 if (str_size >= UINT16_MAX){
1703 av_log(NULL, AV_LOG_ERROR, "reel_name length %"PRIu64" is too large\n", str_size);
1705 return AVERROR(EINVAL);
1708 avio_wb32(pb, 0); /* size */
1709 ffio_wfourcc(pb, "name"); /* Data format */
1710 avio_wb16(pb, str_size); /* string size */
1711 avio_wb16(pb, track->language); /* langcode */
1712 avio_write(pb, reel_name, str_size); /* reel name */
1713 return update_size(pb,pos);
1716 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
1718 int64_t pos = avio_tell(pb);
1720 int frame_duration = av_rescale(track->timescale, track->enc->time_base.num, track->enc->time_base.den);
1721 int nb_frames = 1.0/av_q2d(track->enc->time_base) + 0.5;
1722 AVDictionaryEntry *t = NULL;
1724 if (nb_frames > 255) {
1725 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
1726 return AVERROR(EINVAL);
1729 avio_wb32(pb, 0); /* size */
1730 ffio_wfourcc(pb, "tmcd"); /* Data format */
1731 avio_wb32(pb, 0); /* Reserved */
1732 avio_wb32(pb, 1); /* Data reference index */
1733 avio_wb32(pb, 0); /* Flags */
1734 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
1735 avio_wb32(pb, track->timescale); /* Timescale */
1736 avio_wb32(pb, frame_duration); /* Frame duration */
1737 avio_w8(pb, nb_frames); /* Number of frames */
1738 avio_w8(pb, 0); /* Reserved */
1741 t = av_dict_get(track->st->metadata, "reel_name", NULL, 0);
1743 if (t && utf8len(t->value))
1744 mov_write_source_reference_tag(pb, track, t->value);
1746 avio_wb16(pb, 0); /* zero size */
1749 avio_wb32(pb, 0); /* size */
1750 ffio_wfourcc(pb, "tmcd"); /* Data format */
1751 avio_wb32(pb, 0); /* Reserved */
1752 avio_wb32(pb, 1); /* Data reference index */
1753 if (track->enc->extradata_size)
1754 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1756 return update_size(pb, pos);
1759 static int mov_write_stsd_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1761 int64_t pos = avio_tell(pb);
1762 avio_wb32(pb, 0); /* size */
1763 ffio_wfourcc(pb, "stsd");
1764 avio_wb32(pb, 0); /* version & flags */
1765 avio_wb32(pb, 1); /* entry count */
1766 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1767 mov_write_video_tag(pb, mov, track);
1768 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1769 mov_write_audio_tag(pb, track);
1770 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1771 mov_write_subtitle_tag(pb, track);
1772 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
1773 mov_write_rtp_tag(pb, track);
1774 else if (track->enc->codec_tag == MKTAG('t','m','c','d'))
1775 mov_write_tmcd_tag(pb, track);
1776 return update_size(pb, pos);
1779 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1781 MOVStts *ctts_entries;
1782 uint32_t entries = 0;
1786 ctts_entries = av_malloc_array((track->entry + 1), sizeof(*ctts_entries)); /* worst case */
1788 return AVERROR(ENOMEM);
1789 ctts_entries[0].count = 1;
1790 ctts_entries[0].duration = track->cluster[0].cts;
1791 for (i = 1; i < track->entry; i++) {
1792 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1793 ctts_entries[entries].count++; /* compress */
1796 ctts_entries[entries].duration = track->cluster[i].cts;
1797 ctts_entries[entries].count = 1;
1800 entries++; /* last one */
1801 atom_size = 16 + (entries * 8);
1802 avio_wb32(pb, atom_size); /* size */
1803 ffio_wfourcc(pb, "ctts");
1804 avio_wb32(pb, 0); /* version & flags */
1805 avio_wb32(pb, entries); /* entry count */
1806 for (i = 0; i < entries; i++) {
1807 avio_wb32(pb, ctts_entries[i].count);
1808 avio_wb32(pb, ctts_entries[i].duration);
1810 av_free(ctts_entries);
1814 /* Time to sample atom */
1815 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1817 MOVStts *stts_entries;
1818 uint32_t entries = -1;
1822 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
1823 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
1824 stts_entries[0].count = track->sample_count;
1825 stts_entries[0].duration = 1;
1828 stts_entries = track->entry ?
1829 av_malloc_array(track->entry, sizeof(*stts_entries)) : /* worst case */
1831 for (i = 0; i < track->entry; i++) {
1832 int duration = get_cluster_duration(track, i);
1833 if (i && duration == stts_entries[entries].duration) {
1834 stts_entries[entries].count++; /* compress */
1837 stts_entries[entries].duration = duration;
1838 stts_entries[entries].count = 1;
1841 entries++; /* last one */
1843 atom_size = 16 + (entries * 8);
1844 avio_wb32(pb, atom_size); /* size */
1845 ffio_wfourcc(pb, "stts");
1846 avio_wb32(pb, 0); /* version & flags */
1847 avio_wb32(pb, entries); /* entry count */
1848 for (i = 0; i < entries; i++) {
1849 avio_wb32(pb, stts_entries[i].count);
1850 avio_wb32(pb, stts_entries[i].duration);
1852 av_free(stts_entries);
1856 static int mov_write_dref_tag(AVIOContext *pb)
1858 avio_wb32(pb, 28); /* size */
1859 ffio_wfourcc(pb, "dref");
1860 avio_wb32(pb, 0); /* version & flags */
1861 avio_wb32(pb, 1); /* entry count */
1863 avio_wb32(pb, 0xc); /* size */
1864 //FIXME add the alis and rsrc atom
1865 ffio_wfourcc(pb, "url ");
1866 avio_wb32(pb, 1); /* version & flags */
1871 static int mov_write_stbl_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1873 int64_t pos = avio_tell(pb);
1876 avio_wb32(pb, 0); /* size */
1877 ffio_wfourcc(pb, "stbl");
1878 mov_write_stsd_tag(pb, mov, track);
1879 mov_write_stts_tag(pb, track);
1880 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1881 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1882 track->has_keyframes && track->has_keyframes < track->entry)
1883 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1884 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1885 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1886 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1887 track->flags & MOV_TRACK_CTTS && track->entry) {
1889 if ((ret = mov_write_ctts_tag(pb, track)) < 0)
1892 mov_write_stsc_tag(pb, track);
1893 mov_write_stsz_tag(pb, track);
1894 mov_write_stco_tag(pb, track);
1895 return update_size(pb, pos);
1898 static int mov_write_dinf_tag(AVIOContext *pb)
1900 int64_t pos = avio_tell(pb);
1901 avio_wb32(pb, 0); /* size */
1902 ffio_wfourcc(pb, "dinf");
1903 mov_write_dref_tag(pb);
1904 return update_size(pb, pos);
1907 static int mov_write_nmhd_tag(AVIOContext *pb)
1910 ffio_wfourcc(pb, "nmhd");
1915 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
1917 int64_t pos = avio_tell(pb);
1918 const char *font = "Lucida Grande";
1919 avio_wb32(pb, 0); /* size */
1920 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
1921 avio_wb32(pb, 0); /* version & flags */
1922 avio_wb16(pb, 0); /* text font */
1923 avio_wb16(pb, 0); /* text face */
1924 avio_wb16(pb, 12); /* text size */
1925 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
1926 avio_wb16(pb, 0x0000); /* text color (red) */
1927 avio_wb16(pb, 0x0000); /* text color (green) */
1928 avio_wb16(pb, 0x0000); /* text color (blue) */
1929 avio_wb16(pb, 0xffff); /* background color (red) */
1930 avio_wb16(pb, 0xffff); /* background color (green) */
1931 avio_wb16(pb, 0xffff); /* background color (blue) */
1932 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
1933 avio_write(pb, font, strlen(font)); /* font name */
1934 return update_size(pb, pos);
1937 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
1939 int64_t pos = avio_tell(pb);
1940 avio_wb32(pb, 0); /* size */
1941 ffio_wfourcc(pb, "gmhd");
1942 avio_wb32(pb, 0x18); /* gmin size */
1943 ffio_wfourcc(pb, "gmin");/* generic media info */
1944 avio_wb32(pb, 0); /* version & flags */
1945 avio_wb16(pb, 0x40); /* graphics mode = */
1946 avio_wb16(pb, 0x8000); /* opColor (r?) */
1947 avio_wb16(pb, 0x8000); /* opColor (g?) */
1948 avio_wb16(pb, 0x8000); /* opColor (b?) */
1949 avio_wb16(pb, 0); /* balance */
1950 avio_wb16(pb, 0); /* reserved */
1953 * This special text atom is required for
1954 * Apple Quicktime chapters. The contents
1955 * don't appear to be documented, so the
1956 * bytes are copied verbatim.
1958 if (track->tag != MKTAG('c','6','0','8')) {
1959 avio_wb32(pb, 0x2C); /* size */
1960 ffio_wfourcc(pb, "text");
1961 avio_wb16(pb, 0x01);
1962 avio_wb32(pb, 0x00);
1963 avio_wb32(pb, 0x00);
1964 avio_wb32(pb, 0x00);
1965 avio_wb32(pb, 0x01);
1966 avio_wb32(pb, 0x00);
1967 avio_wb32(pb, 0x00);
1968 avio_wb32(pb, 0x00);
1969 avio_wb32(pb, 0x00004000);
1970 avio_wb16(pb, 0x0000);
1973 if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1974 int64_t tmcd_pos = avio_tell(pb);
1975 avio_wb32(pb, 0); /* size */
1976 ffio_wfourcc(pb, "tmcd");
1977 mov_write_tcmi_tag(pb, track);
1978 update_size(pb, tmcd_pos);
1980 return update_size(pb, pos);
1983 static int mov_write_smhd_tag(AVIOContext *pb)
1985 avio_wb32(pb, 16); /* size */
1986 ffio_wfourcc(pb, "smhd");
1987 avio_wb32(pb, 0); /* version & flags */
1988 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1989 avio_wb16(pb, 0); /* reserved */
1993 static int mov_write_vmhd_tag(AVIOContext *pb)
1995 avio_wb32(pb, 0x14); /* size (always 0x14) */
1996 ffio_wfourcc(pb, "vmhd");
1997 avio_wb32(pb, 0x01); /* version & flags */
1998 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
2002 static int is_clcp_track(MOVTrack *track)
2004 return track->tag == MKTAG('c','7','0','8') ||
2005 track->tag == MKTAG('c','6','0','8');
2008 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
2010 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
2011 int64_t pos = avio_tell(pb);
2015 descr = "DataHandler";
2018 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
2019 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2021 descr = "VideoHandler";
2022 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
2024 descr = "SoundHandler";
2025 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2026 if (is_clcp_track(track)) {
2028 descr = "ClosedCaptionHandler";
2030 if (track->tag == MKTAG('t','x','3','g')) {
2032 } else if (track->tag == MKTAG('m','p','4','s')) {
2037 descr = "SubtitleHandler";
2039 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
2041 descr = "HintHandler";
2042 } else if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
2044 descr = "TimeCodeHandler";
2047 av_get_codec_tag_string(tag_buf, sizeof(tag_buf),
2048 track->enc->codec_tag);
2050 av_log(track->enc, AV_LOG_WARNING,
2051 "Unknown hldr_type for %s / 0x%04X, writing dummy values\n",
2052 tag_buf, track->enc->codec_tag);
2055 // hdlr.name is used by some players to identify the content title
2056 // of the track. So if an alternate handler description is
2057 // specified, use it.
2058 AVDictionaryEntry *t;
2059 t = av_dict_get(track->st->metadata, "handler", NULL, 0);
2060 if (t && utf8len(t->value))
2065 avio_wb32(pb, 0); /* size */
2066 ffio_wfourcc(pb, "hdlr");
2067 avio_wb32(pb, 0); /* Version & flags */
2068 avio_write(pb, hdlr, 4); /* handler */
2069 ffio_wfourcc(pb, hdlr_type); /* handler type */
2070 avio_wb32(pb, 0); /* reserved */
2071 avio_wb32(pb, 0); /* reserved */
2072 avio_wb32(pb, 0); /* reserved */
2073 if (!track || track->mode == MODE_MOV)
2074 avio_w8(pb, strlen(descr)); /* pascal string */
2075 avio_write(pb, descr, strlen(descr)); /* handler description */
2076 if (track && track->mode != MODE_MOV)
2077 avio_w8(pb, 0); /* c string */
2078 return update_size(pb, pos);
2081 static int mov_write_hmhd_tag(AVIOContext *pb)
2083 /* This atom must be present, but leaving the values at zero
2084 * seems harmless. */
2085 avio_wb32(pb, 28); /* size */
2086 ffio_wfourcc(pb, "hmhd");
2087 avio_wb32(pb, 0); /* version, flags */
2088 avio_wb16(pb, 0); /* maxPDUsize */
2089 avio_wb16(pb, 0); /* avgPDUsize */
2090 avio_wb32(pb, 0); /* maxbitrate */
2091 avio_wb32(pb, 0); /* avgbitrate */
2092 avio_wb32(pb, 0); /* reserved */
2096 static int mov_write_minf_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2098 int64_t pos = avio_tell(pb);
2101 avio_wb32(pb, 0); /* size */
2102 ffio_wfourcc(pb, "minf");
2103 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
2104 mov_write_vmhd_tag(pb);
2105 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
2106 mov_write_smhd_tag(pb);
2107 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2108 if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
2109 mov_write_gmhd_tag(pb, track);
2111 mov_write_nmhd_tag(pb);
2113 } else if (track->tag == MKTAG('r','t','p',' ')) {
2114 mov_write_hmhd_tag(pb);
2115 } else if (track->tag == MKTAG('t','m','c','d')) {
2116 mov_write_gmhd_tag(pb, track);
2118 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
2119 mov_write_hdlr_tag(pb, NULL);
2120 mov_write_dinf_tag(pb);
2121 if ((ret = mov_write_stbl_tag(pb, mov, track)) < 0)
2123 return update_size(pb, pos);
2126 static int mov_write_mdhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2129 int version = track->track_duration < INT32_MAX ? 0 : 1;
2131 if (track->mode == MODE_ISM)
2134 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
2135 ffio_wfourcc(pb, "mdhd");
2136 avio_w8(pb, version);
2137 avio_wb24(pb, 0); /* flags */
2139 avio_wb64(pb, track->time);
2140 avio_wb64(pb, track->time);
2142 avio_wb32(pb, track->time); /* creation time */
2143 avio_wb32(pb, track->time); /* modification time */
2145 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
2146 if (!track->entry && mov->mode == MODE_ISM)
2147 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2148 else if (!track->entry)
2149 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2151 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
2152 avio_wb16(pb, track->language); /* language */
2153 avio_wb16(pb, 0); /* reserved (quality) */
2155 if (version != 0 && track->mode == MODE_MOV) {
2156 av_log(NULL, AV_LOG_ERROR,
2157 "FATAL error, file duration too long for timebase, this file will not be\n"
2158 "playable with quicktime. Choose a different timebase or a different\n"
2159 "container format\n");
2165 static int mov_write_mdia_tag(AVIOContext *pb, MOVMuxContext *mov,
2168 int64_t pos = avio_tell(pb);
2171 avio_wb32(pb, 0); /* size */
2172 ffio_wfourcc(pb, "mdia");
2173 mov_write_mdhd_tag(pb, mov, track);
2174 mov_write_hdlr_tag(pb, track);
2175 if ((ret = mov_write_minf_tag(pb, mov, track)) < 0)
2177 return update_size(pb, pos);
2180 /* transformation matrix
2184 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
2185 int16_t d, int16_t tx, int16_t ty)
2187 avio_wb32(pb, a << 16); /* 16.16 format */
2188 avio_wb32(pb, b << 16); /* 16.16 format */
2189 avio_wb32(pb, 0); /* u in 2.30 format */
2190 avio_wb32(pb, c << 16); /* 16.16 format */
2191 avio_wb32(pb, d << 16); /* 16.16 format */
2192 avio_wb32(pb, 0); /* v in 2.30 format */
2193 avio_wb32(pb, tx << 16); /* 16.16 format */
2194 avio_wb32(pb, ty << 16); /* 16.16 format */
2195 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
2198 static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2199 MOVTrack *track, AVStream *st)
2201 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
2202 track->timescale, AV_ROUND_UP);
2203 int version = duration < INT32_MAX ? 0 : 1;
2204 int flags = MOV_TKHD_FLAG_IN_MOVIE;
2210 if (mov->per_stream_grouping)
2213 group = st->codec->codec_type;
2216 if (track->flags & MOV_TRACK_ENABLED)
2217 flags |= MOV_TKHD_FLAG_ENABLED;
2219 if (track->mode == MODE_ISM)
2222 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
2223 ffio_wfourcc(pb, "tkhd");
2224 avio_w8(pb, version);
2225 avio_wb24(pb, flags);
2227 avio_wb64(pb, track->time);
2228 avio_wb64(pb, track->time);
2230 avio_wb32(pb, track->time); /* creation time */
2231 avio_wb32(pb, track->time); /* modification time */
2233 avio_wb32(pb, track->track_id); /* track-id */
2234 avio_wb32(pb, 0); /* reserved */
2235 if (!track->entry && mov->mode == MODE_ISM)
2236 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2237 else if (!track->entry)
2238 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2240 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
2242 avio_wb32(pb, 0); /* reserved */
2243 avio_wb32(pb, 0); /* reserved */
2244 avio_wb16(pb, 0); /* layer */
2245 avio_wb16(pb, group); /* alternate group) */
2246 /* Volume, only for audio */
2247 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
2248 avio_wb16(pb, 0x0100);
2251 avio_wb16(pb, 0); /* reserved */
2253 /* Matrix structure */
2254 if (st && st->metadata) {
2255 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
2256 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
2258 if (rotation == 90) {
2259 write_matrix(pb, 0, 1, -1, 0, track->enc->height, 0);
2260 } else if (rotation == 180) {
2261 write_matrix(pb, -1, 0, 0, -1, track->enc->width, track->enc->height);
2262 } else if (rotation == 270) {
2263 write_matrix(pb, 0, -1, 1, 0, 0, track->enc->width);
2265 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2267 /* Track width and height, for visual only */
2268 if (st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
2269 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
2270 if (track->mode == MODE_MOV) {
2271 avio_wb32(pb, track->enc->width << 16);
2272 avio_wb32(pb, track->height << 16);
2274 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
2275 if (!sample_aspect_ratio || track->height != track->enc->height)
2276 sample_aspect_ratio = 1;
2277 avio_wb32(pb, sample_aspect_ratio * track->enc->width * 0x10000);
2278 avio_wb32(pb, track->height * 0x10000);
2287 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
2289 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
2290 track->enc->sample_aspect_ratio.den);
2292 int64_t pos = avio_tell(pb);
2294 avio_wb32(pb, 0); /* size */
2295 ffio_wfourcc(pb, "tapt");
2298 ffio_wfourcc(pb, "clef");
2300 avio_wb32(pb, width << 16);
2301 avio_wb32(pb, track->enc->height << 16);
2304 ffio_wfourcc(pb, "prof");
2306 avio_wb32(pb, width << 16);
2307 avio_wb32(pb, track->enc->height << 16);
2310 ffio_wfourcc(pb, "enof");
2312 avio_wb32(pb, track->enc->width << 16);
2313 avio_wb32(pb, track->enc->height << 16);
2315 return update_size(pb, pos);
2318 // This box seems important for the psp playback ... without it the movie seems to hang
2319 static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov,
2322 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
2323 track->timescale, AV_ROUND_UP);
2324 int version = duration < INT32_MAX ? 0 : 1;
2325 int entry_size, entry_count, size;
2326 int64_t delay, start_ct = track->start_cts;
2327 int64_t start_dts = track->start_dts;
2330 if (start_dts != track->cluster[0].dts || start_ct != track->cluster[0].cts) {
2332 av_log(mov->fc, AV_LOG_DEBUG,
2333 "EDTS using dts:%"PRId64" cts:%d instead of dts:%"PRId64" cts:%"PRId64" tid:%d\n",
2334 track->cluster[0].dts, track->cluster[0].cts,
2335 start_dts, start_ct, track->track_id);
2336 start_dts = track->cluster[0].dts;
2337 start_ct = track->cluster[0].cts;
2341 delay = av_rescale_rnd(start_dts + start_ct, MOV_TIMESCALE,
2342 track->timescale, AV_ROUND_DOWN);
2343 version |= delay < INT32_MAX ? 0 : 1;
2345 entry_size = (version == 1) ? 20 : 12;
2346 entry_count = 1 + (delay > 0);
2347 size = 24 + entry_count * entry_size;
2349 /* write the atom data */
2350 avio_wb32(pb, size);
2351 ffio_wfourcc(pb, "edts");
2352 avio_wb32(pb, size - 8);
2353 ffio_wfourcc(pb, "elst");
2354 avio_w8(pb, version);
2355 avio_wb24(pb, 0); /* flags */
2357 avio_wb32(pb, entry_count);
2358 if (delay > 0) { /* add an empty edit to delay presentation */
2359 /* In the positive delay case, the delay includes the cts
2360 * offset, and the second edit list entry below trims out
2361 * the same amount from the actual content. This makes sure
2362 * that the offsetted last sample is included in the edit
2363 * list duration as well. */
2365 avio_wb64(pb, delay);
2368 avio_wb32(pb, delay);
2371 avio_wb32(pb, 0x00010000);
2373 /* Avoid accidentally ending up with start_ct = -1 which has got a
2374 * special meaning. Normally start_ct should end up positive or zero
2375 * here, but use FFMIN in case dts is a a small positive integer
2376 * rounded to 0 when represented in MOV_TIMESCALE units. */
2377 av_assert0(av_rescale_rnd(start_dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
2378 start_ct = -FFMIN(start_dts, 0);
2379 /* Note, this delay is calculated from the pts of the first sample,
2380 * ensuring that we don't reduce the duration for cases with
2385 /* For fragmented files, we don't know the full length yet. Setting
2386 * duration to 0 allows us to only specify the offset, including
2387 * the rest of the content (from all future fragments) without specifying
2388 * an explicit duration. */
2389 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2394 avio_wb64(pb, duration);
2395 avio_wb64(pb, start_ct);
2397 avio_wb32(pb, duration);
2398 avio_wb32(pb, start_ct);
2400 avio_wb32(pb, 0x00010000);
2404 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
2406 avio_wb32(pb, 20); // size
2407 ffio_wfourcc(pb, "tref");
2408 avio_wb32(pb, 12); // size (subatom)
2409 avio_wl32(pb, track->tref_tag);
2410 avio_wb32(pb, track->tref_id);
2414 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
2415 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
2417 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
2418 ffio_wfourcc(pb, "uuid");
2419 ffio_wfourcc(pb, "USMT");
2420 avio_wb32(pb, 0x21d24fce);
2421 avio_wb32(pb, 0xbb88695c);
2422 avio_wb32(pb, 0xfac9c740);
2423 avio_wb32(pb, 0x1c); // another size here!
2424 ffio_wfourcc(pb, "MTDT");
2425 avio_wb32(pb, 0x00010012);
2426 avio_wb32(pb, 0x0a);
2427 avio_wb32(pb, 0x55c40000);
2433 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
2435 AVFormatContext *ctx = track->rtp_ctx;
2436 char buf[1000] = "";
2439 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
2440 NULL, NULL, 0, 0, ctx);
2441 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
2444 avio_wb32(pb, len + 24);
2445 ffio_wfourcc(pb, "udta");
2446 avio_wb32(pb, len + 16);
2447 ffio_wfourcc(pb, "hnti");
2448 avio_wb32(pb, len + 8);
2449 ffio_wfourcc(pb, "sdp ");
2450 avio_write(pb, buf, len);
2454 static int mov_write_track_metadata(AVIOContext *pb, AVStream *st,
2455 const char *tag, const char *str)
2457 int64_t pos = avio_tell(pb);
2458 AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
2459 if (!t || !utf8len(t->value))
2462 avio_wb32(pb, 0); /* size */
2463 ffio_wfourcc(pb, tag); /* type */
2464 avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
2465 return update_size(pb, pos);
2468 static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
2471 AVIOContext *pb_buf;
2475 if (!st || mov->fc->flags & AVFMT_FLAG_BITEXACT)
2478 ret = avio_open_dyn_buf(&pb_buf);
2482 if (mov->mode & MODE_MP4)
2483 mov_write_track_metadata(pb_buf, st, "name", "title");
2485 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2486 avio_wb32(pb, size + 8);
2487 ffio_wfourcc(pb, "udta");
2488 avio_write(pb, buf, size);
2495 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
2496 MOVTrack *track, AVStream *st)
2498 int64_t pos = avio_tell(pb);
2499 int entry_backup = track->entry;
2500 int chunk_backup = track->chunkCount;
2503 /* If we want to have an empty moov, but some samples already have been
2504 * buffered (delay_moov), pretend that no samples have been written yet. */
2505 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV)
2506 track->chunkCount = track->entry = 0;
2508 avio_wb32(pb, 0); /* size */
2509 ffio_wfourcc(pb, "trak");
2510 mov_write_tkhd_tag(pb, mov, track, st);
2512 av_assert2(mov->use_editlist >= 0);
2514 if (track->start_dts != AV_NOPTS_VALUE) {
2515 if (mov->use_editlist)
2516 mov_write_edts_tag(pb, mov, track); // PSP Movies and several other cases require edts box
2517 else if ((track->entry && track->cluster[0].dts) || track->mode == MODE_PSP || is_clcp_track(track))
2518 av_log(mov->fc, AV_LOG_WARNING,
2519 "Not writing any edit list even though one would have been required\n");
2522 if (track->tref_tag)
2523 mov_write_tref_tag(pb, track);
2525 if ((ret = mov_write_mdia_tag(pb, mov, track)) < 0)
2527 if (track->mode == MODE_PSP)
2528 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
2529 if (track->tag == MKTAG('r','t','p',' '))
2530 mov_write_udta_sdp(pb, track);
2531 if (track->mode == MODE_MOV) {
2532 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2533 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
2534 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio) {
2535 mov_write_tapt_tag(pb, track);
2538 if (is_clcp_track(track) && st->sample_aspect_ratio.num) {
2539 mov_write_tapt_tag(pb, track);
2542 mov_write_track_udta_tag(pb, mov, st);
2543 track->entry = entry_backup;
2544 track->chunkCount = chunk_backup;
2545 return update_size(pb, pos);
2548 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
2550 int i, has_audio = 0, has_video = 0;
2551 int64_t pos = avio_tell(pb);
2552 int audio_profile = mov->iods_audio_profile;
2553 int video_profile = mov->iods_video_profile;
2554 for (i = 0; i < mov->nb_streams; i++) {
2555 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
2556 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
2557 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
2560 if (audio_profile < 0)
2561 audio_profile = 0xFF - has_audio;
2562 if (video_profile < 0)
2563 video_profile = 0xFF - has_video;
2564 avio_wb32(pb, 0x0); /* size */
2565 ffio_wfourcc(pb, "iods");
2566 avio_wb32(pb, 0); /* version & flags */
2567 put_descr(pb, 0x10, 7);
2568 avio_wb16(pb, 0x004f);
2571 avio_w8(pb, audio_profile);
2572 avio_w8(pb, video_profile);
2574 return update_size(pb, pos);
2577 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
2579 avio_wb32(pb, 0x20); /* size */
2580 ffio_wfourcc(pb, "trex");
2581 avio_wb32(pb, 0); /* version & flags */
2582 avio_wb32(pb, track->track_id); /* track ID */
2583 avio_wb32(pb, 1); /* default sample description index */
2584 avio_wb32(pb, 0); /* default sample duration */
2585 avio_wb32(pb, 0); /* default sample size */
2586 avio_wb32(pb, 0); /* default sample flags */
2590 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
2592 int64_t pos = avio_tell(pb);
2594 avio_wb32(pb, 0x0); /* size */
2595 ffio_wfourcc(pb, "mvex");
2596 for (i = 0; i < mov->nb_streams; i++)
2597 mov_write_trex_tag(pb, &mov->tracks[i]);
2598 return update_size(pb, pos);
2601 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2603 int max_track_id = 1, i;
2604 int64_t max_track_len = 0;
2607 for (i = 0; i < mov->nb_streams; i++) {
2608 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
2609 int64_t max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
2611 mov->tracks[i].timescale,
2613 if (max_track_len < max_track_len_temp)
2614 max_track_len = max_track_len_temp;
2615 if (max_track_id < mov->tracks[i].track_id)
2616 max_track_id = mov->tracks[i].track_id;
2619 /* If using delay_moov, make sure the output is the same as if no
2620 * samples had been written yet. */
2621 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
2626 version = max_track_len < UINT32_MAX ? 0 : 1;
2627 avio_wb32(pb, version == 1 ? 120 : 108); /* size */
2629 ffio_wfourcc(pb, "mvhd");
2630 avio_w8(pb, version);
2631 avio_wb24(pb, 0); /* flags */
2633 avio_wb64(pb, mov->time);
2634 avio_wb64(pb, mov->time);
2636 avio_wb32(pb, mov->time); /* creation time */
2637 avio_wb32(pb, mov->time); /* modification time */
2639 avio_wb32(pb, MOV_TIMESCALE);
2640 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
2642 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
2643 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
2644 avio_wb16(pb, 0); /* reserved */
2645 avio_wb32(pb, 0); /* reserved */
2646 avio_wb32(pb, 0); /* reserved */
2648 /* Matrix structure */
2649 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2651 avio_wb32(pb, 0); /* reserved (preview time) */
2652 avio_wb32(pb, 0); /* reserved (preview duration) */
2653 avio_wb32(pb, 0); /* reserved (poster time) */
2654 avio_wb32(pb, 0); /* reserved (selection time) */
2655 avio_wb32(pb, 0); /* reserved (selection duration) */
2656 avio_wb32(pb, 0); /* reserved (current time) */
2657 avio_wb32(pb, max_track_id + 1); /* Next track id */
2661 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
2664 avio_wb32(pb, 33); /* size */
2665 ffio_wfourcc(pb, "hdlr");
2668 ffio_wfourcc(pb, "mdir");
2669 ffio_wfourcc(pb, "appl");
2676 /* helper function to write a data tag with the specified string as data */
2677 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
2680 int size = 16 + strlen(data);
2681 avio_wb32(pb, size); /* size */
2682 ffio_wfourcc(pb, "data");
2685 avio_write(pb, data, strlen(data));
2689 lang = ff_mov_iso639_to_lang("und", 1);
2690 avio_wb16(pb, strlen(data)); /* string length */
2691 avio_wb16(pb, lang);
2692 avio_write(pb, data, strlen(data));
2693 return strlen(data) + 4;
2697 static int mov_write_string_tag(AVIOContext *pb, const char *name,
2698 const char *value, int lang, int long_style)
2701 if (value && value[0]) {
2702 int64_t pos = avio_tell(pb);
2703 avio_wb32(pb, 0); /* size */
2704 ffio_wfourcc(pb, name);
2705 mov_write_string_data_tag(pb, value, lang, long_style);
2706 size = update_size(pb, pos);
2711 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
2712 const char *name, const char *tag,
2715 int l, lang = 0, len, len2;
2716 AVDictionaryEntry *t, *t2 = NULL;
2719 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
2722 len = strlen(t->key);
2723 snprintf(tag2, sizeof(tag2), "%s-", tag);
2724 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
2725 len2 = strlen(t2->key);
2726 if (len2 == len + 4 && !strcmp(t->value, t2->value)
2727 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
2732 return mov_write_string_tag(pb, name, t->value, lang, long_style);
2735 /* iTunes bpm number */
2736 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
2738 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
2739 int size = 0, tmpo = t ? atoi(t->value) : 0;
2742 avio_wb32(pb, size);
2743 ffio_wfourcc(pb, "tmpo");
2744 avio_wb32(pb, size-8); /* size */
2745 ffio_wfourcc(pb, "data");
2746 avio_wb32(pb, 0x15); //type specifier
2748 avio_wb16(pb, tmpo); // data
2753 /* iTunes track or disc number */
2754 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
2755 AVFormatContext *s, int disc)
2757 AVDictionaryEntry *t = av_dict_get(s->metadata,
2758 disc ? "disc" : "track",
2760 int size = 0, track = t ? atoi(t->value) : 0;
2763 char *slash = strchr(t->value, '/');
2765 tracks = atoi(slash + 1);
2766 avio_wb32(pb, 32); /* size */
2767 ffio_wfourcc(pb, disc ? "disk" : "trkn");
2768 avio_wb32(pb, 24); /* size */
2769 ffio_wfourcc(pb, "data");
2770 avio_wb32(pb, 0); // 8 bytes empty
2772 avio_wb16(pb, 0); // empty
2773 avio_wb16(pb, track); // track / disc number
2774 avio_wb16(pb, tracks); // total track / disc number
2775 avio_wb16(pb, 0); // empty
2781 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
2782 const char *name, const char *tag,
2785 AVDictionaryEntry *t = NULL;
2787 int size = 24 + len;
2789 if (len != 1 && len != 4)
2792 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
2794 num = atoi(t->value);
2796 avio_wb32(pb, size);
2797 ffio_wfourcc(pb, name);
2798 avio_wb32(pb, size - 8);
2799 ffio_wfourcc(pb, "data");
2800 avio_wb32(pb, 0x15);
2802 if (len==4) avio_wb32(pb, num);
2803 else avio_w8 (pb, num);
2808 /* iTunes meta data list */
2809 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
2812 int64_t pos = avio_tell(pb);
2813 avio_wb32(pb, 0); /* size */
2814 ffio_wfourcc(pb, "ilst");
2815 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
2816 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
2817 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
2818 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
2819 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
2820 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
2822 !mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1))
2823 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
2824 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
2825 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
2826 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
2827 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
2828 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
2829 mov_write_string_metadata(s, pb, "desc", "description",1);
2830 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
2831 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
2832 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
2833 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
2834 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
2835 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
2836 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
2837 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
2838 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
2839 mov_write_int8_metadata (s, pb, "cpil", "compilation", 1);
2840 mov_write_trkn_tag(pb, mov, s, 0); // track number
2841 mov_write_trkn_tag(pb, mov, s, 1); // disc number
2842 mov_write_tmpo_tag(pb, s);
2843 return update_size(pb, pos);
2846 /* iTunes meta data tag */
2847 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
2851 int64_t pos = avio_tell(pb);
2852 avio_wb32(pb, 0); /* size */
2853 ffio_wfourcc(pb, "meta");
2855 mov_write_itunes_hdlr_tag(pb, mov, s);
2856 mov_write_ilst_tag(pb, mov, s);
2857 size = update_size(pb, pos);
2861 static int mov_write_raw_metadata_tag(AVFormatContext *s, AVIOContext *pb,
2862 const char *name, const char *key)
2865 AVDictionaryEntry *t;
2867 if (!(t = av_dict_get(s->metadata, key, NULL, 0)))
2870 len = strlen(t->value);
2873 avio_wb32(pb, size);
2874 ffio_wfourcc(pb, name);
2875 avio_write(pb, t->value, len);
2881 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
2885 GET_UTF8(val, *b++, return -1;)
2888 avio_wb16(pb, 0x00);
2892 static uint16_t language_code(const char *str)
2894 return (((str[0] - 0x60) & 0x1F) << 10) +
2895 (((str[1] - 0x60) & 0x1F) << 5) +
2896 (( str[2] - 0x60) & 0x1F);
2899 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
2900 const char *tag, const char *str)
2902 int64_t pos = avio_tell(pb);
2903 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
2904 if (!t || !utf8len(t->value))
2906 avio_wb32(pb, 0); /* size */
2907 ffio_wfourcc(pb, tag); /* type */
2908 avio_wb32(pb, 0); /* version + flags */
2909 if (!strcmp(tag, "yrrc"))
2910 avio_wb16(pb, atoi(t->value));
2912 avio_wb16(pb, language_code("eng")); /* language */
2913 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
2914 if (!strcmp(tag, "albm") &&
2915 (t = av_dict_get(s->metadata, "track", NULL, 0)))
2916 avio_w8(pb, atoi(t->value));
2918 return update_size(pb, pos);
2921 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
2923 int64_t pos = avio_tell(pb);
2924 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
2926 avio_wb32(pb, 0); // size
2927 ffio_wfourcc(pb, "chpl");
2928 avio_wb32(pb, 0x01000000); // version + flags
2929 avio_wb32(pb, 0); // unknown
2930 avio_w8(pb, nb_chapters);
2932 for (i = 0; i < nb_chapters; i++) {
2933 AVChapter *c = s->chapters[i];
2934 AVDictionaryEntry *t;
2935 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
2937 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
2938 int len = FFMIN(strlen(t->value), 255);
2940 avio_write(pb, t->value, len);
2944 return update_size(pb, pos);
2947 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
2950 AVIOContext *pb_buf;
2954 ret = avio_open_dyn_buf(&pb_buf);
2958 if (mov->mode & MODE_3GP) {
2959 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
2960 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
2961 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
2962 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
2963 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
2964 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
2965 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
2966 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
2967 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
2968 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
2969 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
2970 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
2971 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
2972 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
2973 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
2974 // currently ignored by mov.c
2975 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
2976 // add support for libquicktime, this atom is also actually read by mov.c
2977 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
2978 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
2979 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
2980 mov_write_raw_metadata_tag(s, pb_buf, "XMP_", "xmp");
2982 /* iTunes meta data */
2983 mov_write_meta_tag(pb_buf, mov, s);
2986 if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
2987 mov_write_chpl_tag(pb_buf, s);
2989 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2990 avio_wb32(pb, size + 8);
2991 ffio_wfourcc(pb, "udta");
2992 avio_write(pb, buf, size);
2999 static void mov_write_psp_udta_tag(AVIOContext *pb,
3000 const char *str, const char *lang, int type)
3002 int len = utf8len(str) + 1;
3005 avio_wb16(pb, len * 2 + 10); /* size */
3006 avio_wb32(pb, type); /* type */
3007 avio_wb16(pb, language_code(lang)); /* language */
3008 avio_wb16(pb, 0x01); /* ? */
3009 ascii_to_wc(pb, str);
3012 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
3014 MOVMuxContext *mov = s->priv_data;
3015 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
3019 pos = avio_tell(pb);
3020 avio_wb32(pb, 0); /* size placeholder*/
3021 ffio_wfourcc(pb, "uuid");
3022 ffio_wfourcc(pb, "USMT");
3023 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
3024 avio_wb32(pb, 0xbb88695c);
3025 avio_wb32(pb, 0xfac9c740);
3027 pos2 = avio_tell(pb);
3028 avio_wb32(pb, 0); /* size placeholder*/
3029 ffio_wfourcc(pb, "MTDT");
3033 avio_wb16(pb, 0x0C); /* size */
3034 avio_wb32(pb, 0x0B); /* type */
3035 avio_wb16(pb, language_code("und")); /* language */
3036 avio_wb16(pb, 0x0); /* ? */
3037 avio_wb16(pb, 0x021C); /* data */
3040 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
3041 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
3042 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
3044 update_size(pb, pos2);
3045 return update_size(pb, pos);
3051 static void build_chunks(MOVTrack *trk)
3054 MOVIentry *chunk = &trk->cluster[0];
3055 uint64_t chunkSize = chunk->size;
3056 chunk->chunkNum = 1;
3057 if (trk->chunkCount)
3059 trk->chunkCount = 1;
3060 for (i = 1; i<trk->entry; i++){
3061 if (chunk->pos + chunkSize == trk->cluster[i].pos &&
3062 chunkSize + trk->cluster[i].size < (1<<20)){
3063 chunkSize += trk->cluster[i].size;
3064 chunk->samples_in_chunk += trk->cluster[i].entries;
3066 trk->cluster[i].chunkNum = chunk->chunkNum+1;
3067 chunk=&trk->cluster[i];
3068 chunkSize = chunk->size;
3074 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
3078 int64_t pos = avio_tell(pb);
3079 avio_wb32(pb, 0); /* size placeholder*/
3080 ffio_wfourcc(pb, "moov");
3082 for (i = 0; i < mov->nb_streams; i++) {
3083 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3086 mov->tracks[i].time = mov->time;
3087 mov->tracks[i].track_id = i + 1;
3089 if (mov->tracks[i].entry)
3090 build_chunks(&mov->tracks[i]);
3093 if (mov->chapter_track)
3094 for (i = 0; i < s->nb_streams; i++) {
3095 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
3096 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
3098 for (i = 0; i < mov->nb_streams; i++) {
3099 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
3100 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
3101 mov->tracks[i].tref_id =
3102 mov->tracks[mov->tracks[i].src_track].track_id;
3105 for (i = 0; i < mov->nb_streams; i++) {
3106 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
3107 int src_trk = mov->tracks[i].src_track;
3108 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
3109 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
3110 //src_trk may have a different timescale than the tmcd track
3111 mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration,
3112 mov->tracks[i].timescale,
3113 mov->tracks[src_trk].timescale);
3117 mov_write_mvhd_tag(pb, mov);
3118 if (mov->mode != MODE_MOV && !mov->iods_skip)
3119 mov_write_iods_tag(pb, mov);
3120 for (i = 0; i < mov->nb_streams; i++) {
3121 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
3122 int ret = mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
3127 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
3128 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
3130 if (mov->mode == MODE_PSP)
3131 mov_write_uuidusmt_tag(pb, s);
3133 mov_write_udta_tag(pb, mov, s);
3135 return update_size(pb, pos);
3138 static void param_write_int(AVIOContext *pb, const char *name, int value)
3140 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
3143 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
3145 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
3148 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
3151 len = FFMIN(sizeof(buf) / 2 - 1, len);
3152 ff_data_to_hex(buf, value, len, 0);
3153 buf[2 * len] = '\0';
3154 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
3157 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
3159 int64_t pos = avio_tell(pb);
3161 static const uint8_t uuid[] = {
3162 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
3163 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
3167 ffio_wfourcc(pb, "uuid");
3168 avio_write(pb, uuid, sizeof(uuid));
3171 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
3172 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
3173 avio_printf(pb, "<head>\n");
3175 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
3177 avio_printf(pb, "</head>\n");
3178 avio_printf(pb, "<body>\n");
3179 avio_printf(pb, "<switch>\n");
3180 for (i = 0; i < mov->nb_streams; i++) {
3181 MOVTrack *track = &mov->tracks[i];
3183 /* track->track_id is initialized in write_moov, and thus isn't known
3185 int track_id = i + 1;
3187 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
3189 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
3194 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
3195 track->enc->bit_rate);
3196 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
3197 param_write_int(pb, "trackID", track_id);
3198 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
3199 if (track->enc->codec_id == AV_CODEC_ID_H264) {
3201 int size = track->enc->extradata_size;
3202 if (!ff_avc_write_annexb_extradata(track->enc->extradata, &ptr,
3204 param_write_hex(pb, "CodecPrivateData",
3205 ptr ? ptr : track->enc->extradata,
3209 param_write_string(pb, "FourCC", "H264");
3210 } else if (track->enc->codec_id == AV_CODEC_ID_VC1) {
3211 param_write_string(pb, "FourCC", "WVC1");
3212 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
3213 track->enc->extradata_size);
3215 param_write_int(pb, "MaxWidth", track->enc->width);
3216 param_write_int(pb, "MaxHeight", track->enc->height);
3217 param_write_int(pb, "DisplayWidth", track->enc->width);
3218 param_write_int(pb, "DisplayHeight", track->enc->height);
3220 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
3221 param_write_string(pb, "FourCC", "AACL");
3222 } else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO) {
3223 param_write_string(pb, "FourCC", "WMAP");
3225 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
3226 track->enc->extradata_size);
3227 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
3228 track->enc->codec_id));
3229 param_write_int(pb, "Channels", track->enc->channels);
3230 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
3231 param_write_int(pb, "BitsPerSample", 16);
3232 param_write_int(pb, "PacketSize", track->enc->block_align ?
3233 track->enc->block_align : 4);
3235 avio_printf(pb, "</%s>\n", type);
3237 avio_printf(pb, "</switch>\n");
3238 avio_printf(pb, "</body>\n");
3239 avio_printf(pb, "</smil>\n");
3241 return update_size(pb, pos);
3244 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
3247 ffio_wfourcc(pb, "mfhd");
3249 avio_wb32(pb, mov->fragments);
3253 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
3254 MOVTrack *track, int64_t moof_offset)
3256 int64_t pos = avio_tell(pb);
3257 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
3258 MOV_TFHD_BASE_DATA_OFFSET;
3259 if (!track->entry) {
3260 flags |= MOV_TFHD_DURATION_IS_EMPTY;
3262 flags |= MOV_TFHD_DEFAULT_FLAGS;
3264 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
3265 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
3266 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) {
3267 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
3268 flags |= MOV_TFHD_DEFAULT_BASE_IS_MOOF;
3271 /* Don't set a default sample size, the silverlight player refuses
3272 * to play files with that set. Don't set a default sample duration,
3273 * WMP freaks out if it is set. Don't set a base data offset, PIFF
3274 * file format says it MUST NOT be set. */
3275 if (track->mode == MODE_ISM)
3276 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
3277 MOV_TFHD_BASE_DATA_OFFSET);
3279 avio_wb32(pb, 0); /* size placeholder */
3280 ffio_wfourcc(pb, "tfhd");
3281 avio_w8(pb, 0); /* version */
3282 avio_wb24(pb, flags);
3284 avio_wb32(pb, track->track_id); /* track-id */
3285 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
3286 avio_wb64(pb, moof_offset);
3287 if (flags & MOV_TFHD_DEFAULT_DURATION) {
3288 track->default_duration = get_cluster_duration(track, 0);
3289 avio_wb32(pb, track->default_duration);
3291 if (flags & MOV_TFHD_DEFAULT_SIZE) {
3292 track->default_size = track->entry ? track->cluster[0].size : 1;
3293 avio_wb32(pb, track->default_size);
3295 track->default_size = -1;
3297 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
3298 track->default_sample_flags =
3299 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
3300 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
3301 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
3302 avio_wb32(pb, track->default_sample_flags);
3305 return update_size(pb, pos);
3308 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
3310 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
3311 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
3314 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
3315 MOVTrack *track, int moof_size)
3317 int64_t pos = avio_tell(pb);
3318 uint32_t flags = MOV_TRUN_DATA_OFFSET;
3321 for (i = 0; i < track->entry; i++) {
3322 if (get_cluster_duration(track, i) != track->default_duration)
3323 flags |= MOV_TRUN_SAMPLE_DURATION;
3324 if (track->cluster[i].size != track->default_size)
3325 flags |= MOV_TRUN_SAMPLE_SIZE;
3326 if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
3327 flags |= MOV_TRUN_SAMPLE_FLAGS;
3329 if (!(flags & MOV_TRUN_SAMPLE_FLAGS))
3330 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
3331 if (track->flags & MOV_TRACK_CTTS)
3332 flags |= MOV_TRUN_SAMPLE_CTS;
3334 avio_wb32(pb, 0); /* size placeholder */
3335 ffio_wfourcc(pb, "trun");
3336 avio_w8(pb, 0); /* version */
3337 avio_wb24(pb, flags);
3339 avio_wb32(pb, track->entry); /* sample count */
3340 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
3341 !(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) &&
3343 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
3345 avio_wb32(pb, moof_size + 8 + track->data_offset +
3346 track->cluster[0].pos); /* data offset */
3347 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
3348 avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
3350 for (i = 0; i < track->entry; i++) {
3351 if (flags & MOV_TRUN_SAMPLE_DURATION)
3352 avio_wb32(pb, get_cluster_duration(track, i));
3353 if (flags & MOV_TRUN_SAMPLE_SIZE)
3354 avio_wb32(pb, track->cluster[i].size);
3355 if (flags & MOV_TRUN_SAMPLE_FLAGS)
3356 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
3357 if (flags & MOV_TRUN_SAMPLE_CTS)
3358 avio_wb32(pb, track->cluster[i].cts);
3361 mov->first_trun = 0;
3362 return update_size(pb, pos);
3365 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
3367 int64_t pos = avio_tell(pb);
3368 static const uint8_t uuid[] = {
3369 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
3370 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
3373 avio_wb32(pb, 0); /* size placeholder */
3374 ffio_wfourcc(pb, "uuid");
3375 avio_write(pb, uuid, sizeof(uuid));
3378 avio_wb64(pb, track->frag_start);
3379 avio_wb64(pb, track->start_dts + track->track_duration -
3380 track->cluster[0].dts);
3382 return update_size(pb, pos);
3385 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
3386 MOVTrack *track, int entry)
3388 int n = track->nb_frag_info - 1 - entry, i;
3389 int size = 8 + 16 + 4 + 1 + 16*n;
3390 static const uint8_t uuid[] = {
3391 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
3392 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
3398 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
3399 avio_wb32(pb, size);
3400 ffio_wfourcc(pb, "uuid");
3401 avio_write(pb, uuid, sizeof(uuid));
3405 for (i = 0; i < n; i++) {
3406 int index = entry + 1 + i;
3407 avio_wb64(pb, track->frag_info[index].time);
3408 avio_wb64(pb, track->frag_info[index].duration);
3410 if (n < mov->ism_lookahead) {
3411 int free_size = 16 * (mov->ism_lookahead - n);
3412 avio_wb32(pb, free_size);
3413 ffio_wfourcc(pb, "free");
3414 ffio_fill(pb, 0, free_size - 8);
3420 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
3423 int64_t pos = avio_tell(pb);
3425 for (i = 0; i < mov->ism_lookahead; i++) {
3426 /* Update the tfrf tag for the last ism_lookahead fragments,
3427 * nb_frag_info - 1 is the next fragment to be written. */
3428 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
3430 avio_seek(pb, pos, SEEK_SET);
3434 static int mov_add_tfra_entries(AVIOContext *pb, MOVMuxContext *mov, int tracks,
3438 for (i = 0; i < mov->nb_streams; i++) {
3439 MOVTrack *track = &mov->tracks[i];
3440 MOVFragmentInfo *info;
3441 if ((tracks >= 0 && i != tracks) || !track->entry)
3443 track->nb_frag_info++;
3444 if (track->nb_frag_info >= track->frag_info_capacity) {
3445 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
3446 if (av_reallocp_array(&track->frag_info,
3448 sizeof(*track->frag_info)))
3449 return AVERROR(ENOMEM);
3450 track->frag_info_capacity = new_capacity;
3452 info = &track->frag_info[track->nb_frag_info - 1];
3453 info->offset = avio_tell(pb);
3455 // Try to recreate the original pts for the first packet
3456 // from the fields we have stored
3457 info->time = track->start_dts + track->frag_start +
3458 track->cluster[0].cts;
3459 // If the pts is less than zero, we will have trimmed
3460 // away parts of the media track using an edit list,
3461 // and the corresponding start presentation time is zero.
3464 info->duration = track->start_dts + track->track_duration -
3465 track->cluster[0].dts;
3466 info->tfrf_offset = 0;
3467 mov_write_tfrf_tags(pb, mov, track);
3472 static int mov_write_tfdt_tag(AVIOContext *pb, MOVTrack *track)
3474 int64_t pos = avio_tell(pb);
3476 avio_wb32(pb, 0); /* size */
3477 ffio_wfourcc(pb, "tfdt");
3478 avio_w8(pb, 1); /* version */
3480 avio_wb64(pb, track->frag_start);
3481 return update_size(pb, pos);
3484 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
3485 MOVTrack *track, int64_t moof_offset,
3488 int64_t pos = avio_tell(pb);
3489 avio_wb32(pb, 0); /* size placeholder */
3490 ffio_wfourcc(pb, "traf");
3492 mov_write_tfhd_tag(pb, mov, track, moof_offset);
3493 if (mov->mode != MODE_ISM)
3494 mov_write_tfdt_tag(pb, track);
3495 mov_write_trun_tag(pb, mov, track, moof_size);
3496 if (mov->mode == MODE_ISM) {
3497 mov_write_tfxd_tag(pb, track);
3499 if (mov->ism_lookahead) {
3500 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
3502 if (track->nb_frag_info > 0) {
3503 MOVFragmentInfo *info = &track->frag_info[track->nb_frag_info - 1];
3504 if (!info->tfrf_offset)
3505 info->tfrf_offset = avio_tell(pb);
3507 avio_wb32(pb, 8 + size);
3508 ffio_wfourcc(pb, "free");
3509 for (i = 0; i < size; i++)
3514 return update_size(pb, pos);
3517 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
3518 int tracks, int moof_size)
3520 int64_t pos = avio_tell(pb);
3523 avio_wb32(pb, 0); /* size placeholder */
3524 ffio_wfourcc(pb, "moof");
3525 mov->first_trun = 1;
3527 mov_write_mfhd_tag(pb, mov);
3528 for (i = 0; i < mov->nb_streams; i++) {
3529 MOVTrack *track = &mov->tracks[i];
3530 if (tracks >= 0 && i != tracks)
3534 mov_write_traf_tag(pb, mov, track, pos, moof_size);
3537 return update_size(pb, pos);
3540 static int mov_write_sidx_tag(AVIOContext *pb,
3541 MOVTrack *track, int ref_size, int total_sidx_size)
3543 int64_t pos = avio_tell(pb), offset_pos, end_pos;
3544 int64_t presentation_time, duration, offset;
3545 int starts_with_SAP, i, entries;
3549 presentation_time = track->start_dts + track->frag_start +
3550 track->cluster[0].cts;
3551 duration = track->start_dts + track->track_duration -
3552 track->cluster[0].dts;
3553 starts_with_SAP = track->cluster[0].flags & MOV_SYNC_SAMPLE;
3555 entries = track->nb_frag_info;
3556 presentation_time = track->frag_info[0].time;
3559 // pts<0 should be cut away using edts
3560 if (presentation_time < 0)
3561 presentation_time = 0;
3563 avio_wb32(pb, 0); /* size */
3564 ffio_wfourcc(pb, "sidx");
3565 avio_w8(pb, 1); /* version */
3567 avio_wb32(pb, track->track_id); /* reference_ID */
3568 avio_wb32(pb, track->timescale); /* timescale */
3569 avio_wb64(pb, presentation_time); /* earliest_presentation_time */
3570 offset_pos = avio_tell(pb);
3571 avio_wb64(pb, 0); /* first_offset (offset to referenced moof) */
3572 avio_wb16(pb, 0); /* reserved */
3574 avio_wb16(pb, entries); /* reference_count */
3575 for (i = 0; i < entries; i++) {
3576 if (!track->entry) {
3577 if (i > 1 && track->frag_info[i].offset != track->frag_info[i - 1].offset + track->frag_info[i - 1].size) {
3578 av_log(NULL, AV_LOG_ERROR, "Non-consecutive fragments, writing incorrect sidx\n");
3580 duration = track->frag_info[i].duration;
3581 ref_size = track->frag_info[i].size;
3582 starts_with_SAP = 1;
3584 avio_wb32(pb, (0 << 31) | (ref_size & 0x7fffffff)); /* reference_type (0 = media) | referenced_size */
3585 avio_wb32(pb, duration); /* subsegment_duration */
3586 avio_wb32(pb, (starts_with_SAP << 31) | (0 << 28) | 0); /* starts_with_SAP | SAP_type | SAP_delta_time */
3589 end_pos = avio_tell(pb);
3590 offset = pos + total_sidx_size - end_pos;
3591 avio_seek(pb, offset_pos, SEEK_SET);
3592 avio_wb64(pb, offset);
3593 avio_seek(pb, end_pos, SEEK_SET);
3594 return update_size(pb, pos);
3597 static int mov_write_sidx_tags(AVIOContext *pb, MOVMuxContext *mov,
3598 int tracks, int ref_size)
3601 AVIOContext *avio_buf;
3603 for (round = 0; round < 2; round++) {
3604 // First run one round to calculate the total size of all
3606 // This would be much simpler if we'd only write one sidx
3607 // atom, for the first track in the moof.
3609 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
3614 for (i = 0; i < mov->nb_streams; i++) {
3615 MOVTrack *track = &mov->tracks[i];
3616 if (tracks >= 0 && i != tracks)
3618 // When writing a sidx for the full file, entry is 0, but
3619 // we want to include all tracks. ref_size is 0 in this case,
3620 // since we read it from frag_info instead.
3621 if (!track->entry && ref_size > 0)
3623 total_size -= mov_write_sidx_tag(avio_buf, track, ref_size,
3627 total_size = ffio_close_null_buf(avio_buf);
3632 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks,
3635 AVIOContext *avio_buf;
3638 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
3640 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
3641 moof_size = ffio_close_null_buf(avio_buf);
3643 if (mov->flags & FF_MOV_FLAG_DASH && !(mov->flags & FF_MOV_FLAG_FASTSTART))
3644 mov_write_sidx_tags(pb, mov, tracks, moof_size + 8 + mdat_size);
3646 if ((ret = mov_add_tfra_entries(pb, mov, tracks, moof_size + 8 + mdat_size)) < 0)
3649 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
3652 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
3654 int64_t pos = avio_tell(pb);
3657 avio_wb32(pb, 0); /* size placeholder */
3658 ffio_wfourcc(pb, "tfra");
3659 avio_w8(pb, 1); /* version */
3662 avio_wb32(pb, track->track_id);
3663 avio_wb32(pb, 0); /* length of traf/trun/sample num */
3664 avio_wb32(pb, track->nb_frag_info);
3665 for (i = 0; i < track->nb_frag_info; i++) {
3666 avio_wb64(pb, track->frag_info[i].time);
3667 avio_wb64(pb, track->frag_info[i].offset + track->data_offset);
3668 avio_w8(pb, 1); /* traf number */
3669 avio_w8(pb, 1); /* trun number */
3670 avio_w8(pb, 1); /* sample number */
3673 return update_size(pb, pos);
3676 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
3678 int64_t pos = avio_tell(pb);
3681 avio_wb32(pb, 0); /* size placeholder */
3682 ffio_wfourcc(pb, "mfra");
3683 /* An empty mfra atom is enough to indicate to the publishing point that
3684 * the stream has ended. */
3685 if (mov->flags & FF_MOV_FLAG_ISML)
3686 return update_size(pb, pos);
3688 for (i = 0; i < mov->nb_streams; i++) {
3689 MOVTrack *track = &mov->tracks[i];
3690 if (track->nb_frag_info)
3691 mov_write_tfra_tag(pb, track);
3695 ffio_wfourcc(pb, "mfro");
3696 avio_wb32(pb, 0); /* version + flags */
3697 avio_wb32(pb, avio_tell(pb) + 4 - pos);
3699 return update_size(pb, pos);
3702 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
3704 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
3705 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
3707 mov->mdat_pos = avio_tell(pb);
3708 avio_wb32(pb, 0); /* size placeholder*/
3709 ffio_wfourcc(pb, "mdat");
3713 /* TODO: This needs to be more general */
3714 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
3716 MOVMuxContext *mov = s->priv_data;
3717 int64_t pos = avio_tell(pb);
3718 int has_h264 = 0, has_video = 0;
3722 for (i = 0; i < s->nb_streams; i++) {
3723 AVStream *st = s->streams[i];
3724 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
3726 if (st->codec->codec_id == AV_CODEC_ID_H264)
3730 avio_wb32(pb, 0); /* size */
3731 ffio_wfourcc(pb, "ftyp");
3733 if (mov->major_brand && strlen(mov->major_brand) >= 4)
3734 ffio_wfourcc(pb, mov->major_brand);
3735 else if (mov->mode == MODE_3GP) {
3736 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
3737 minor = has_h264 ? 0x100 : 0x200;
3738 } else if (mov->mode & MODE_3G2) {
3739 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
3740 minor = has_h264 ? 0x20000 : 0x10000;
3741 } else if (mov->mode == MODE_PSP)
3742 ffio_wfourcc(pb, "MSNV");
3743 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
3744 ffio_wfourcc(pb, "iso5"); // Required when using default-base-is-moof
3745 else if (mov->mode == MODE_MP4)
3746 ffio_wfourcc(pb, "isom");
3747 else if (mov->mode == MODE_IPOD)
3748 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
3749 else if (mov->mode == MODE_ISM)
3750 ffio_wfourcc(pb, "isml");
3751 else if (mov->mode == MODE_F4V)
3752 ffio_wfourcc(pb, "f4v ");
3754 ffio_wfourcc(pb, "qt ");
3756 avio_wb32(pb, minor);
3758 if (mov->mode == MODE_MOV)
3759 ffio_wfourcc(pb, "qt ");
3760 else if (mov->mode == MODE_ISM) {
3761 ffio_wfourcc(pb, "piff");
3762 } else if (!(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)) {
3763 ffio_wfourcc(pb, "isom");
3764 ffio_wfourcc(pb, "iso2");
3766 ffio_wfourcc(pb, "avc1");
3769 // We add tfdt atoms when fragmenting, signal this with the iso6 compatible
3770 // brand. This is compatible with users that don't understand tfdt.
3771 if (mov->flags & FF_MOV_FLAG_FRAGMENT && mov->mode != MODE_ISM)
3772 ffio_wfourcc(pb, "iso6");
3774 if (mov->mode == MODE_3GP)
3775 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
3776 else if (mov->mode & MODE_3G2)
3777 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
3778 else if (mov->mode == MODE_PSP)
3779 ffio_wfourcc(pb, "MSNV");
3780 else if (mov->mode == MODE_MP4)
3781 ffio_wfourcc(pb, "mp41");
3783 if (mov->flags & FF_MOV_FLAG_DASH && mov->flags & FF_MOV_FLAG_FASTSTART)
3784 ffio_wfourcc(pb, "dash");
3786 return update_size(pb, pos);
3789 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
3791 AVStream *video_st = s->streams[0];
3792 AVCodecContext *video_codec = s->streams[0]->codec;
3793 AVCodecContext *audio_codec = s->streams[1]->codec;
3794 int audio_rate = audio_codec->sample_rate;
3795 // TODO: should be avg_frame_rate
3796 int frame_rate = ((video_st->time_base.den) * (0x10000)) / (video_st->time_base.num);
3797 int audio_kbitrate = audio_codec->bit_rate / 1000;
3798 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
3800 avio_wb32(pb, 0x94); /* size */
3801 ffio_wfourcc(pb, "uuid");
3802 ffio_wfourcc(pb, "PROF");
3804 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
3805 avio_wb32(pb, 0xbb88695c);
3806 avio_wb32(pb, 0xfac9c740);
3808 avio_wb32(pb, 0x0); /* ? */
3809 avio_wb32(pb, 0x3); /* 3 sections ? */
3811 avio_wb32(pb, 0x14); /* size */
3812 ffio_wfourcc(pb, "FPRF");
3813 avio_wb32(pb, 0x0); /* ? */
3814 avio_wb32(pb, 0x0); /* ? */
3815 avio_wb32(pb, 0x0); /* ? */
3817 avio_wb32(pb, 0x2c); /* size */
3818 ffio_wfourcc(pb, "APRF"); /* audio */
3820 avio_wb32(pb, 0x2); /* TrackID */
3821 ffio_wfourcc(pb, "mp4a");
3822 avio_wb32(pb, 0x20f);
3824 avio_wb32(pb, audio_kbitrate);
3825 avio_wb32(pb, audio_kbitrate);
3826 avio_wb32(pb, audio_rate);
3827 avio_wb32(pb, audio_codec->channels);
3829 avio_wb32(pb, 0x34); /* size */
3830 ffio_wfourcc(pb, "VPRF"); /* video */
3832 avio_wb32(pb, 0x1); /* TrackID */
3833 if (video_codec->codec_id == AV_CODEC_ID_H264) {
3834 ffio_wfourcc(pb, "avc1");
3835 avio_wb16(pb, 0x014D);
3836 avio_wb16(pb, 0x0015);
3838 ffio_wfourcc(pb, "mp4v");
3839 avio_wb16(pb, 0x0000);
3840 avio_wb16(pb, 0x0103);
3843 avio_wb32(pb, video_kbitrate);
3844 avio_wb32(pb, video_kbitrate);
3845 avio_wb32(pb, frame_rate);
3846 avio_wb32(pb, frame_rate);
3847 avio_wb16(pb, video_codec->width);
3848 avio_wb16(pb, video_codec->height);
3849 avio_wb32(pb, 0x010001); /* ? */
3852 static int mov_write_identification(AVIOContext *pb, AVFormatContext *s)
3854 MOVMuxContext *mov = s->priv_data;
3857 mov_write_ftyp_tag(pb,s);
3858 if (mov->mode == MODE_PSP) {
3859 int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
3860 for (i = 0; i < s->nb_streams; i++) {
3861 AVStream *st = s->streams[i];
3862 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
3864 else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
3870 if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
3871 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
3872 return AVERROR(EINVAL);
3874 mov_write_uuidprof_tag(pb, s);
3879 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
3882 int i, closed_gop = 0;
3884 for (i = 0; i < pkt->size - 4; i++) {
3885 c = (c << 8) + pkt->data[i];
3886 if (c == 0x1b8) { // gop
3887 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
3888 } else if (c == 0x100) { // pic
3889 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
3890 if (!temp_ref || closed_gop) // I picture is not reordered
3891 *flags = MOV_SYNC_SAMPLE;
3893 *flags = MOV_PARTIAL_SYNC_SAMPLE;
3900 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment)
3902 const uint8_t *start, *next, *end = pkt->data + pkt->size;
3903 int seq = 0, entry = 0;
3904 int key = pkt->flags & AV_PKT_FLAG_KEY;
3905 start = find_next_marker(pkt->data, end);
3906 for (next = start; next < end; start = next) {
3907 next = find_next_marker(start + 4, end);
3908 switch (AV_RB32(start)) {
3909 case VC1_CODE_SEQHDR:
3912 case VC1_CODE_ENTRYPOINT:
3915 case VC1_CODE_SLICE:
3916 trk->vc1_info.slices = 1;
3920 if (!trk->entry && !fragment) {
3921 /* First packet in first fragment */
3922 trk->vc1_info.first_packet_seq = seq;
3923 trk->vc1_info.first_packet_entry = entry;
3924 } else if ((seq && !trk->vc1_info.packet_seq) ||
3925 (entry && !trk->vc1_info.packet_entry)) {
3927 for (i = 0; i < trk->entry; i++)
3928 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
3929 trk->has_keyframes = 0;
3931 trk->vc1_info.packet_seq = 1;
3933 trk->vc1_info.packet_entry = 1;
3935 /* First fragment */
3936 if ((!seq || trk->vc1_info.first_packet_seq) &&
3937 (!entry || trk->vc1_info.first_packet_entry)) {
3938 /* First packet had the same headers as this one, readd the
3939 * sync sample flag. */
3940 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
3941 trk->has_keyframes = 1;
3945 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
3947 else if (trk->vc1_info.packet_seq)
3949 else if (trk->vc1_info.packet_entry)
3952 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
3953 trk->has_keyframes++;
3957 static int mov_flush_fragment(AVFormatContext *s)
3959 MOVMuxContext *mov = s->priv_data;
3960 int i, first_track = -1;
3961 int64_t mdat_size = 0;
3964 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
3967 if (mov->fragments == 0) {
3968 int64_t pos = avio_tell(s->pb);
3970 int buf_size, moov_size;
3972 for (i = 0; i < mov->nb_streams; i++)
3973 if (!mov->tracks[i].entry)
3975 /* Don't write the initial moov unless all tracks have data */
3976 if (i < mov->nb_streams)
3979 moov_size = get_moov_size(s);
3980 for (i = 0; i < mov->nb_streams; i++)
3981 mov->tracks[i].data_offset = pos + moov_size + 8;
3983 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
3984 mov_write_identification(s->pb, s);
3985 if ((ret = mov_write_moov_tag(s->pb, mov, s)) < 0)
3988 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV) {
3989 if (mov->flags & FF_MOV_FLAG_FASTSTART)
3990 mov->reserved_moov_pos = avio_tell(s->pb);
3996 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
3997 mov->mdat_buf = NULL;
3998 avio_wb32(s->pb, buf_size + 8);
3999 ffio_wfourcc(s->pb, "mdat");
4000 avio_write(s->pb, buf, buf_size);
4005 for (i = 0; i < mov->nb_streams; i++) {
4006 if (mov->tracks[i].entry)
4007 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
4008 mov->tracks[i].track_duration -
4009 mov->tracks[i].cluster[0].dts;
4010 mov->tracks[i].entry = 0;
4016 for (i = 0; i < mov->nb_streams; i++) {
4017 MOVTrack *track = &mov->tracks[i];
4018 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
4019 track->data_offset = 0;
4021 track->data_offset = mdat_size;
4022 if (!track->mdat_buf)
4024 mdat_size += avio_tell(track->mdat_buf);
4025 if (first_track < 0)
4032 for (i = 0; i < mov->nb_streams; i++) {
4033 MOVTrack *track = &mov->tracks[i];
4034 int buf_size, write_moof = 1, moof_tracks = -1;
4036 int64_t duration = 0;
4039 duration = track->start_dts + track->track_duration -
4040 track->cluster[0].dts;
4041 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
4042 if (!track->mdat_buf)
4044 mdat_size = avio_tell(track->mdat_buf);
4047 write_moof = i == first_track;
4053 mov_write_moof_tag(s->pb, mov, moof_tracks, mdat_size);
4056 avio_wb32(s->pb, mdat_size + 8);
4057 ffio_wfourcc(s->pb, "mdat");
4061 track->frag_start += duration;
4063 if (!track->mdat_buf)
4065 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
4066 track->mdat_buf = NULL;
4068 avio_write(s->pb, buf, buf_size);
4078 static int mov_auto_flush_fragment(AVFormatContext *s)
4080 MOVMuxContext *mov = s->priv_data;
4081 int ret = mov_flush_fragment(s);
4084 // If using delay_moov, the first flush only wrote the moov,
4085 // not the actual moof+mdat pair, thus flush once again.
4086 if (mov->fragments == 1 && mov->flags & FF_MOV_FLAG_DELAY_MOOV)
4087 ret = mov_flush_fragment(s);
4091 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
4093 MOVMuxContext *mov = s->priv_data;
4094 AVIOContext *pb = s->pb;
4095 MOVTrack *trk = &mov->tracks[pkt->stream_index];
4096 AVCodecContext *enc = trk->enc;
4097 unsigned int samples_in_chunk = 0;
4098 int size = pkt->size, ret = 0;
4099 uint8_t *reformatted_data = NULL;
4102 int64_t duration = pkt->dts - trk->cluster[trk->entry - 1].dts;
4103 if (duration < 0 || duration > INT_MAX) {
4104 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n",
4108 pkt->dts = trk->cluster[trk->entry - 1].dts + 1;
4109 pkt->pts = AV_NOPTS_VALUE;
4111 if (pkt->duration < 0) {
4112 av_log(s, AV_LOG_ERROR, "Application provided duration: %d is invalid\n", pkt->duration);
4113 return AVERROR(EINVAL);
4116 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
4118 if (mov->fragments > 0 || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
4119 if (!trk->mdat_buf) {
4120 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
4125 if (!mov->mdat_buf) {
4126 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
4133 if (enc->codec_id == AV_CODEC_ID_AMR_NB) {
4134 /* We must find out how many AMR blocks there are in one packet */
4135 static uint16_t packed_size[16] =
4136 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
4139 while (len < size && samples_in_chunk < 100) {
4140 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
4143 if (samples_in_chunk > 1) {
4144 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
4147 } else if (enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
4148 enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
4149 samples_in_chunk = enc->frame_size;
4150 } else if (trk->sample_size)
4151 samples_in_chunk = size / trk->sample_size;
4153 samples_in_chunk = 1;
4155 /* copy extradata if it exists */
4156 if (trk->vos_len == 0 && enc->extradata_size > 0 && !TAG_IS_AVCI(trk->tag)) {
4157 trk->vos_len = enc->extradata_size;
4158 trk->vos_data = av_malloc(trk->vos_len);
4159 memcpy(trk->vos_data, enc->extradata, trk->vos_len);
4162 if (enc->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
4163 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
4164 if (!s->streams[pkt->stream_index]->nb_frames) {
4165 av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
4166 "use the audio bitstream filter 'aac_adtstoasc' to fix it "
4167 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
4170 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
4172 if (enc->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1 && !TAG_IS_AVCI(trk->tag)) {
4173 /* from x264 or from bytestream h264 */
4174 /* nal reformating needed */
4175 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
4176 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
4178 avio_write(pb, reformatted_data, size);
4180 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
4182 } else if (enc->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
4183 (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
4184 /* extradata is Annex B, assume the bitstream is too and convert it */
4185 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
4186 ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data, &size, 0, NULL);
4187 avio_write(pb, reformatted_data, size);
4189 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
4191 } else if (CONFIG_AC3_PARSER && enc->codec_id == AV_CODEC_ID_EAC3) {
4192 size = handle_eac3(mov, pkt, trk);
4197 avio_write(pb, pkt->data, size);
4199 avio_write(pb, pkt->data, size);
4202 if ((enc->codec_id == AV_CODEC_ID_DNXHD ||
4203 enc->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
4204 /* copy frame to create needed atoms */
4205 trk->vos_len = size;
4206 trk->vos_data = av_malloc(size);
4207 if (!trk->vos_data) {
4208 ret = AVERROR(ENOMEM);
4211 memcpy(trk->vos_data, pkt->data, size);
4214 if (trk->entry >= trk->cluster_capacity) {
4215 unsigned new_capacity = 2 * (trk->entry + MOV_INDEX_CLUSTER_SIZE);
4216 if (av_reallocp_array(&trk->cluster, new_capacity,
4217 sizeof(*trk->cluster))) {
4218 ret = AVERROR(ENOMEM);
4221 trk->cluster_capacity = new_capacity;
4224 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
4225 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
4226 trk->cluster[trk->entry].chunkNum = 0;
4227 trk->cluster[trk->entry].size = size;
4228 trk->cluster[trk->entry].entries = samples_in_chunk;
4229 trk->cluster[trk->entry].dts = pkt->dts;
4230 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
4231 if (!trk->frag_discont) {
4232 /* First packet of a new fragment. We already wrote the duration
4233 * of the last packet of the previous fragment based on track_duration,
4234 * which might not exactly match our dts. Therefore adjust the dts
4235 * of this packet to be what the previous packets duration implies. */
4236 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
4237 /* We also may have written the pts and the corresponding duration
4238 * in sidx tags; make sure the sidx pts and duration match up with
4239 * the next fragment. This means the cts of the first sample must
4240 * be the same in all fragments. */
4241 pkt->pts = pkt->dts + trk->start_cts;
4243 /* New fragment, but discontinuous from previous fragments.
4244 * Pretend the duration sum of the earlier fragments is
4245 * pkt->dts - trk->start_dts. */
4246 trk->frag_start = pkt->dts - trk->start_dts;
4247 trk->frag_discont = 0;
4251 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !mov->use_editlist &&
4252 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO) {
4253 /* Not using edit lists and shifting the first track to start from zero.
4254 * If the other streams start from a later timestamp, we won't be able
4255 * to signal the difference in starting time without an edit list.
4256 * Thus move the timestamp for this first sample to 0, increasing
4257 * its duration instead. */
4258 trk->cluster[trk->entry].dts = trk->start_dts = 0;
4260 if (trk->start_dts == AV_NOPTS_VALUE) {
4261 trk->start_dts = pkt->dts;
4262 if (trk->frag_discont) {
4263 /* Pretend the whole stream started at dts=0, with earlier fragments
4264 * already written, with a duration summing up to pkt->dts. */
4265 trk->frag_start = pkt->dts;
4267 trk->frag_discont = 0;
4268 } else if (pkt->dts && mov->fragments >= 1)
4269 av_log(s, AV_LOG_WARNING,
4270 "Track %d starts with a nonzero dts %"PRId64", while the moov "
4271 "already has been written. Set the delay_moov flag to handle "
4273 pkt->stream_index, pkt->dts);
4275 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
4276 trk->last_sample_is_subtitle_end = 0;
4278 if (pkt->pts == AV_NOPTS_VALUE) {
4279 av_log(s, AV_LOG_WARNING, "pts has no value\n");
4280 pkt->pts = pkt->dts;
4282 if (pkt->dts != pkt->pts)
4283 trk->flags |= MOV_TRACK_CTTS;
4284 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
4285 trk->cluster[trk->entry].flags = 0;
4286 if (trk->start_cts == AV_NOPTS_VALUE)
4287 trk->start_cts = pkt->pts - pkt->dts;
4289 if (enc->codec_id == AV_CODEC_ID_VC1) {
4290 mov_parse_vc1_frame(pkt, trk, mov->fragments);
4291 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
4292 if (mov->mode == MODE_MOV && enc->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
4293 trk->entry > 0) { // force sync sample for the first key frame
4294 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
4295 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
4296 trk->flags |= MOV_TRACK_STPS;
4298 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
4300 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
4301 trk->has_keyframes++;
4304 trk->sample_count += samples_in_chunk;
4305 mov->mdat_size += size;
4307 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
4308 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
4309 reformatted_data, size);
4314 av_free(reformatted_data);
4318 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
4320 MOVMuxContext *mov = s->priv_data;
4321 MOVTrack *trk = &mov->tracks[pkt->stream_index];
4322 AVCodecContext *enc = trk->enc;
4323 int64_t frag_duration = 0;
4324 int size = pkt->size;
4327 return 0; /* Discard 0 sized packets */
4329 if (mov->flags & FF_MOV_FLAG_FRAG_DISCONT) {
4331 for (i = 0; i < s->nb_streams; i++)
4332 mov->tracks[i].frag_discont = 1;
4333 mov->flags &= ~FF_MOV_FLAG_FRAG_DISCONT;
4336 if (trk->entry && pkt->stream_index < s->nb_streams)
4337 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
4338 s->streams[pkt->stream_index]->time_base,
4340 if ((mov->max_fragment_duration &&
4341 frag_duration >= mov->max_fragment_duration) ||
4342 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
4343 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
4344 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
4345 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
4346 if (frag_duration >= mov->min_fragment_duration)
4347 mov_auto_flush_fragment(s);
4350 return ff_mov_write_packet(s, pkt);
4353 static int mov_write_subtitle_end_packet(AVFormatContext *s,
4357 uint8_t data[2] = {0};
4360 av_init_packet(&end);
4361 end.size = sizeof(data);
4366 end.stream_index = stream_index;
4368 ret = mov_write_single_packet(s, &end);
4369 av_free_packet(&end);
4374 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
4377 mov_flush_fragment(s);
4381 MOVMuxContext *mov = s->priv_data;
4383 if (!pkt->size) return 0; /* Discard 0 sized packets */
4386 * Subtitles require special handling.
4388 * 1) For full complaince, every track must have a sample at
4389 * dts == 0, which is rarely true for subtitles. So, as soon
4390 * as we see any packet with dts > 0, write an empty subtitle
4391 * at dts == 0 for any subtitle track with no samples in it.
4393 * 2) For each subtitle track, check if the current packet's
4394 * dts is past the duration of the last subtitle sample. If
4395 * so, we now need to write an end sample for that subtitle.
4397 * This must be done conditionally to allow for subtitles that
4398 * immediately replace each other, in which case an end sample
4399 * is not needed, and is, in fact, actively harmful.
4401 * 3) See mov_write_trailer for how the final end sample is
4404 for (i = 0; i < mov->nb_streams; i++) {
4405 MOVTrack *trk = &mov->tracks[i];
4408 if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
4409 trk->track_duration < pkt->dts &&
4410 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
4411 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
4412 if (ret < 0) return ret;
4413 trk->last_sample_is_subtitle_end = 1;
4417 return mov_write_single_packet(s, pkt);
4421 // QuickTime chapters involve an additional text track with the chapter names
4422 // as samples, and a tref pointing from the other tracks to the chapter one.
4423 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
4427 MOVMuxContext *mov = s->priv_data;
4428 MOVTrack *track = &mov->tracks[tracknum];
4429 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
4432 track->mode = mov->mode;
4433 track->tag = MKTAG('t','e','x','t');
4434 track->timescale = MOV_TIMESCALE;
4435 track->enc = avcodec_alloc_context3(NULL);
4437 return AVERROR(ENOMEM);
4438 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
4440 // These properties are required to make QT recognize the chapter track
4441 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
4442 if (ff_alloc_extradata(track->enc, sizeof(chapter_properties)))
4443 return AVERROR(ENOMEM);
4444 memcpy(track->enc->extradata, chapter_properties, sizeof(chapter_properties));
4446 if (avio_open_dyn_buf(&pb) >= 0) {
4450 /* Stub header (usually for Quicktime chapter track) */
4452 avio_wb32(pb, 0x01); // displayFlags
4453 avio_w8(pb, 0x00); // horizontal justification
4454 avio_w8(pb, 0x00); // vertical justification
4455 avio_w8(pb, 0x00); // bgColourRed
4456 avio_w8(pb, 0x00); // bgColourGreen
4457 avio_w8(pb, 0x00); // bgColourBlue
4458 avio_w8(pb, 0x00); // bgColourAlpha
4460 avio_wb16(pb, 0x00); // defTextBoxTop
4461 avio_wb16(pb, 0x00); // defTextBoxLeft
4462 avio_wb16(pb, 0x00); // defTextBoxBottom
4463 avio_wb16(pb, 0x00); // defTextBoxRight
4465 avio_wb16(pb, 0x00); // startChar
4466 avio_wb16(pb, 0x00); // endChar
4467 avio_wb16(pb, 0x01); // fontID
4468 avio_w8(pb, 0x00); // fontStyleFlags
4469 avio_w8(pb, 0x00); // fontSize
4470 avio_w8(pb, 0x00); // fgColourRed
4471 avio_w8(pb, 0x00); // fgColourGreen
4472 avio_w8(pb, 0x00); // fgColourBlue
4473 avio_w8(pb, 0x00); // fgColourAlpha
4475 avio_wb32(pb, 0x0D); // box size
4476 ffio_wfourcc(pb, "ftab"); // box atom name
4477 avio_wb16(pb, 0x01); // entry count
4479 avio_wb16(pb, 0x01); // font ID
4480 avio_w8(pb, 0x00); // font name length
4482 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
4483 track->enc->extradata = buf;
4484 track->enc->extradata_size = size;
4491 for (i = 0; i < s->nb_chapters; i++) {
4492 AVChapter *c = s->chapters[i];
4493 AVDictionaryEntry *t;
4495 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
4496 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
4497 pkt.duration = end - pkt.dts;
4499 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
4500 const char encd[12] = {
4501 0x00, 0x00, 0x00, 0x0C,
4503 0x00, 0x00, 0x01, 0x00 };
4504 len = strlen(t->value);
4505 pkt.size = len + 2 + 12;
4506 pkt.data = av_malloc(pkt.size);
4508 return AVERROR(ENOMEM);
4509 AV_WB16(pkt.data, len);
4510 memcpy(pkt.data + 2, t->value, len);
4511 memcpy(pkt.data + len + 2, encd, sizeof(encd));
4512 ff_mov_write_packet(s, &pkt);
4513 av_freep(&pkt.data);
4520 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, const char *tcstr)
4523 MOVMuxContext *mov = s->priv_data;
4524 MOVTrack *track = &mov->tracks[index];
4525 AVStream *src_st = s->streams[src_index];
4527 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
4528 AVRational rate = find_fps(s, src_st);
4530 /* compute the frame number */
4531 ret = av_timecode_init_from_string(&tc, rate, tcstr, s);
4535 /* tmcd track based on video stream */
4536 track->mode = mov->mode;
4537 track->tag = MKTAG('t','m','c','d');
4538 track->src_track = src_index;
4539 track->timescale = mov->tracks[src_index].timescale;
4540 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
4541 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
4543 /* set st to src_st for metadata access*/
4546 /* encode context: tmcd data stream */
4547 track->enc = avcodec_alloc_context3(NULL);
4548 track->enc->codec_type = AVMEDIA_TYPE_DATA;
4549 track->enc->codec_tag = track->tag;
4550 track->enc->time_base = av_inv_q(rate);
4552 /* the tmcd track just contains one packet with the frame number */
4553 pkt.data = av_malloc(pkt.size);
4554 AV_WB32(pkt.data, tc.start);
4555 ret = ff_mov_write_packet(s, &pkt);
4561 * st->disposition controls the "enabled" flag in the tkhd tag.
4562 * QuickTime will not play a track if it is not enabled. So make sure
4563 * that one track of each type (audio, video, subtitle) is enabled.
4565 * Subtitles are special. For audio and video, setting "enabled" also
4566 * makes the track "default" (i.e. it is rendered when played). For
4567 * subtitles, an "enabled" subtitle is not rendered by default, but
4568 * if no subtitle is enabled, the subtitle menu in QuickTime will be
4571 static void enable_tracks(AVFormatContext *s)
4573 MOVMuxContext *mov = s->priv_data;
4575 int enabled[AVMEDIA_TYPE_NB];
4576 int first[AVMEDIA_TYPE_NB];
4578 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
4583 for (i = 0; i < s->nb_streams; i++) {
4584 AVStream *st = s->streams[i];
4586 if (st->codec->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
4587 st->codec->codec_type >= AVMEDIA_TYPE_NB)
4590 if (first[st->codec->codec_type] < 0)
4591 first[st->codec->codec_type] = i;
4592 if (st->disposition & AV_DISPOSITION_DEFAULT) {
4593 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
4594 enabled[st->codec->codec_type]++;
4598 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
4600 case AVMEDIA_TYPE_VIDEO:
4601 case AVMEDIA_TYPE_AUDIO:
4602 case AVMEDIA_TYPE_SUBTITLE:
4604 mov->per_stream_grouping = 1;
4605 if (!enabled[i] && first[i] >= 0)
4606 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
4612 static void mov_free(AVFormatContext *s)
4614 MOVMuxContext *mov = s->priv_data;
4617 if (mov->chapter_track) {
4618 if (mov->tracks[mov->chapter_track].enc)
4619 av_freep(&mov->tracks[mov->chapter_track].enc->extradata);
4620 av_freep(&mov->tracks[mov->chapter_track].enc);
4623 for (i = 0; i < mov->nb_streams; i++) {
4624 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
4625 ff_mov_close_hinting(&mov->tracks[i]);
4626 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
4627 av_freep(&mov->tracks[i].enc);
4628 av_freep(&mov->tracks[i].cluster);
4629 av_freep(&mov->tracks[i].frag_info);
4631 if (mov->tracks[i].vos_len)
4632 av_freep(&mov->tracks[i].vos_data);
4635 av_freep(&mov->tracks);
4638 static uint32_t rgb_to_yuv(uint32_t rgb)
4643 r = (rgb >> 16) & 0xFF;
4644 g = (rgb >> 8) & 0xFF;
4647 y = av_clip_uint8( 16. + 0.257 * r + 0.504 * g + 0.098 * b);
4648 cb = av_clip_uint8(128. - 0.148 * r - 0.291 * g + 0.439 * b);
4649 cr = av_clip_uint8(128. + 0.439 * r - 0.368 * g - 0.071 * b);
4651 return (y << 16) | (cr << 8) | cb;
4654 static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track,
4657 int i, width = 720, height = 480;
4658 int have_palette = 0, have_size = 0;
4659 uint32_t palette[16];
4660 char *cur = st->codec->extradata;
4662 while (cur && *cur) {
4663 if (strncmp("palette:", cur, 8) == 0) {
4665 count = sscanf(cur + 8,
4666 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
4667 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
4668 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
4669 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
4670 &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
4671 &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
4672 &palette[ 8], &palette[ 9], &palette[10], &palette[11],
4673 &palette[12], &palette[13], &palette[14], &palette[15]);
4675 for (i = 0; i < count; i++) {
4676 palette[i] = rgb_to_yuv(palette[i]);
4679 } else if (!strncmp("size:", cur, 5)) {
4680 sscanf(cur + 5, "%dx%d", &width, &height);
4683 if (have_palette && have_size)
4685 cur += strcspn(cur, "\n\r");
4686 cur += strspn(cur, "\n\r");
4689 track->vos_data = av_malloc(16*4);
4690 if (!track->vos_data)
4691 return AVERROR(ENOMEM);
4692 for (i = 0; i < 16; i++) {
4693 AV_WB32(track->vos_data + i * 4, palette[i]);
4695 track->vos_len = 16 * 4;
4697 st->codec->width = width;
4698 st->codec->height = track->height = height;
4703 static int mov_write_header(AVFormatContext *s)
4705 AVIOContext *pb = s->pb;
4706 MOVMuxContext *mov = s->priv_data;
4707 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
4708 int i, ret, hint_track = 0, tmcd_track = 0;
4712 /* Default mode == MP4 */
4713 mov->mode = MODE_MP4;
4716 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
4717 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
4718 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
4719 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
4720 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
4721 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
4722 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
4725 if (s->flags & AVFMT_FLAG_BITEXACT)
4728 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
4729 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV;
4731 /* Set the FRAGMENT flag if any of the fragmentation methods are
4733 if (mov->max_fragment_duration || mov->max_fragment_size ||
4734 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
4735 FF_MOV_FLAG_FRAG_KEYFRAME |
4736 FF_MOV_FLAG_FRAG_CUSTOM))
4737 mov->flags |= FF_MOV_FLAG_FRAGMENT;
4739 /* Set other implicit flags immediately */
4740 if (mov->mode == MODE_ISM)
4741 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
4742 FF_MOV_FLAG_FRAGMENT;
4743 if (mov->flags & FF_MOV_FLAG_DASH)
4744 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
4745 FF_MOV_FLAG_DEFAULT_BASE_MOOF;
4747 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
4748 mov->reserved_moov_size = -1;
4751 if (mov->use_editlist < 0) {
4752 mov->use_editlist = 1;
4753 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
4754 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
4755 // If we can avoid needing an edit list by shifting the
4756 // tracks, prefer that over (trying to) write edit lists
4757 // in fragmented output.
4758 if (s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO ||
4759 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO)
4760 mov->use_editlist = 0;
4763 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
4764 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV) && mov->use_editlist)
4765 av_log(s, AV_LOG_WARNING, "No meaningful edit list will be written when using empty_moov without delay_moov\n");
4767 if (!mov->use_editlist && s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO)
4768 s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_ZERO;
4770 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
4771 * is enabled, we don't support non-seekable output at all. */
4772 if (!s->pb->seekable &&
4773 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
4774 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
4775 return AVERROR(EINVAL);
4778 if (!(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
4779 if ((ret = mov_write_identification(pb, s)) < 0)
4783 mov->nb_streams = s->nb_streams;
4784 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
4785 mov->chapter_track = mov->nb_streams++;
4787 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
4788 /* Add hint tracks for each audio and video stream */
4789 hint_track = mov->nb_streams;
4790 for (i = 0; i < s->nb_streams; i++) {
4791 AVStream *st = s->streams[i];
4792 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
4793 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
4799 if (mov->mode == MODE_MOV) {
4800 tmcd_track = mov->nb_streams;
4802 /* +1 tmcd track for each video stream with a timecode */
4803 for (i = 0; i < s->nb_streams; i++) {
4804 AVStream *st = s->streams[i];
4805 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
4806 (global_tcr || av_dict_get(st->metadata, "timecode", NULL, 0)))
4807 mov->nb_meta_tmcd++;
4810 /* check if there is already a tmcd track to remux */
4811 if (mov->nb_meta_tmcd) {
4812 for (i = 0; i < s->nb_streams; i++) {
4813 AVStream *st = s->streams[i];
4814 if (st->codec->codec_tag == MKTAG('t','m','c','d')) {
4815 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
4816 "so timecode metadata are now ignored\n");
4817 mov->nb_meta_tmcd = 0;
4822 mov->nb_streams += mov->nb_meta_tmcd;
4825 // Reserve an extra stream for chapters for the case where chapters
4826 // are written in the trailer
4827 mov->tracks = av_mallocz_array((mov->nb_streams + 1), sizeof(*mov->tracks));
4829 return AVERROR(ENOMEM);
4831 for (i = 0; i < s->nb_streams; i++) {
4832 AVStream *st= s->streams[i];
4833 MOVTrack *track= &mov->tracks[i];
4834 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
4837 track->enc = st->codec;
4838 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
4839 if (track->language < 0)
4840 track->language = 0;
4841 track->mode = mov->mode;
4842 track->tag = mov_find_codec_tag(s, track);
4844 av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, "
4845 "codec not currently supported in container\n",
4846 avcodec_get_name(st->codec->codec_id), i);
4847 ret = AVERROR(EINVAL);
4850 /* If hinting of this track is enabled by a later hint track,
4851 * this is updated. */
4852 track->hint_track = -1;
4853 track->start_dts = AV_NOPTS_VALUE;
4854 track->start_cts = AV_NOPTS_VALUE;
4855 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
4856 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
4857 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
4858 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
4859 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
4860 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
4861 ret = AVERROR(EINVAL);
4864 track->height = track->tag >> 24 == 'n' ? 486 : 576;
4866 if (mov->video_track_timescale) {
4867 track->timescale = mov->video_track_timescale;
4869 track->timescale = st->time_base.den;
4870 while(track->timescale < 10000)
4871 track->timescale *= 2;
4873 if (st->codec->width > 65535 || st->codec->height > 65535) {
4874 av_log(s, AV_LOG_ERROR, "Resolution %dx%d too large for mov/mp4\n", st->codec->width, st->codec->height);
4875 ret = AVERROR(EINVAL);
4878 if (track->mode == MODE_MOV && track->timescale > 100000)
4879 av_log(s, AV_LOG_WARNING,
4880 "WARNING codec timebase is very high. If duration is too long,\n"
4881 "file may not be playable by quicktime. Specify a shorter timebase\n"
4882 "or choose different container.\n");
4883 } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
4884 track->timescale = st->codec->sample_rate;
4885 if (!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
4886 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
4887 track->audio_vbr = 1;
4888 }else if (st->codec->codec_id == AV_CODEC_ID_ADPCM_MS ||
4889 st->codec->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
4890 st->codec->codec_id == AV_CODEC_ID_ILBC){
4891 if (!st->codec->block_align) {
4892 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
4893 ret = AVERROR(EINVAL);
4896 track->sample_size = st->codec->block_align;
4897 }else if (st->codec->frame_size > 1){ /* assume compressed audio */
4898 track->audio_vbr = 1;
4900 track->sample_size = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
4902 if (st->codec->codec_id == AV_CODEC_ID_ILBC ||
4903 st->codec->codec_id == AV_CODEC_ID_ADPCM_IMA_QT) {
4904 track->audio_vbr = 1;
4906 if (track->mode != MODE_MOV &&
4907 track->enc->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
4908 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
4909 i, track->enc->sample_rate);
4910 ret = AVERROR(EINVAL);
4913 } else if (st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
4914 track->timescale = st->time_base.den;
4915 } else if (st->codec->codec_type == AVMEDIA_TYPE_DATA) {
4916 track->timescale = st->time_base.den;
4918 track->timescale = MOV_TIMESCALE;
4921 track->height = st->codec->height;
4922 /* The ism specific timescale isn't mandatory, but is assumed by
4923 * some tools, such as mp4split. */
4924 if (mov->mode == MODE_ISM)
4925 track->timescale = 10000000;
4927 avpriv_set_pts_info(st, 64, 1, track->timescale);
4929 /* copy extradata if it exists */
4930 if (st->codec->extradata_size) {
4931 if (st->codec->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
4932 mov_create_dvd_sub_decoder_specific_info(track, st);
4933 else if (!TAG_IS_AVCI(track->tag)){
4934 track->vos_len = st->codec->extradata_size;
4935 track->vos_data = av_malloc(track->vos_len);
4936 memcpy(track->vos_data, st->codec->extradata, track->vos_len);
4941 for (i = 0; i < s->nb_streams; i++) {
4943 AVStream *st= s->streams[i];
4944 MOVTrack *track= &mov->tracks[i];
4946 if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO ||
4947 track->enc->channel_layout != AV_CH_LAYOUT_MONO)
4950 for (j = 0; j < s->nb_streams; j++) {
4951 AVStream *stj= s->streams[j];
4952 MOVTrack *trackj= &mov->tracks[j];
4956 if (stj->codec->codec_type != AVMEDIA_TYPE_AUDIO ||
4957 trackj->enc->channel_layout != AV_CH_LAYOUT_MONO ||
4958 trackj->language != track->language ||
4959 trackj->tag != track->tag
4962 track->multichannel_as_mono++;
4969 if (mov->reserved_moov_size){
4970 mov->reserved_moov_pos= avio_tell(pb);
4971 if (mov->reserved_moov_size > 0)
4972 avio_skip(pb, mov->reserved_moov_size);
4975 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
4976 /* If no fragmentation options have been set, set a default. */
4977 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
4978 FF_MOV_FLAG_FRAG_CUSTOM)) &&
4979 !mov->max_fragment_duration && !mov->max_fragment_size)
4980 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
4982 if (mov->flags & FF_MOV_FLAG_FASTSTART)
4983 mov->reserved_moov_pos = avio_tell(pb);
4984 mov_write_mdat_tag(pb, mov);
4987 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
4988 mov->time = ff_iso8601_to_unix_time(t->value);
4990 mov->time += 0x7C25B080; // 1970 based -> 1904 based
4992 if (mov->chapter_track)
4993 if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0)
4996 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
4997 /* Initialize the hint tracks for each audio and video stream */
4998 for (i = 0; i < s->nb_streams; i++) {
4999 AVStream *st = s->streams[i];
5000 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
5001 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
5002 if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0)
5009 if (mov->nb_meta_tmcd) {
5010 /* Initialize the tmcd tracks */
5011 for (i = 0; i < s->nb_streams; i++) {
5012 AVStream *st = s->streams[i];
5015 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
5017 t = av_dict_get(st->metadata, "timecode", NULL, 0);
5020 if ((ret = mov_create_timecode_track(s, tmcd_track, i, t->value)) < 0)
5029 if (mov->flags & FF_MOV_FLAG_ISML)
5030 mov_write_isml_manifest(pb, mov);
5032 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
5033 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
5034 if ((ret = mov_write_moov_tag(pb, mov, s)) < 0)
5037 if (mov->flags & FF_MOV_FLAG_FASTSTART)
5038 mov->reserved_moov_pos = avio_tell(pb);
5047 static int get_moov_size(AVFormatContext *s)
5050 AVIOContext *moov_buf;
5051 MOVMuxContext *mov = s->priv_data;
5053 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
5055 if ((ret = mov_write_moov_tag(moov_buf, mov, s)) < 0)
5057 return ffio_close_null_buf(moov_buf);
5060 static int get_sidx_size(AVFormatContext *s)
5064 MOVMuxContext *mov = s->priv_data;
5066 if ((ret = ffio_open_null_buf(&buf)) < 0)
5068 mov_write_sidx_tags(buf, mov, -1, 0);
5069 return ffio_close_null_buf(buf);
5073 * This function gets the moov size if moved to the top of the file: the chunk
5074 * offset table can switch between stco (32-bit entries) to co64 (64-bit
5075 * entries) when the moov is moved to the beginning, so the size of the moov
5076 * would change. It also updates the chunk offset tables.
5078 static int compute_moov_size(AVFormatContext *s)
5080 int i, moov_size, moov_size2;
5081 MOVMuxContext *mov = s->priv_data;
5083 moov_size = get_moov_size(s);
5087 for (i = 0; i < mov->nb_streams; i++)
5088 mov->tracks[i].data_offset += moov_size;
5090 moov_size2 = get_moov_size(s);
5094 /* if the size changed, we just switched from stco to co64 and need to
5095 * update the offsets */
5096 if (moov_size2 != moov_size)
5097 for (i = 0; i < mov->nb_streams; i++)
5098 mov->tracks[i].data_offset += moov_size2 - moov_size;
5103 static int compute_sidx_size(AVFormatContext *s)
5106 MOVMuxContext *mov = s->priv_data;
5108 sidx_size = get_sidx_size(s);
5112 for (i = 0; i < mov->nb_streams; i++)
5113 mov->tracks[i].data_offset += sidx_size;
5118 static int shift_data(AVFormatContext *s)
5120 int ret = 0, moov_size;
5121 MOVMuxContext *mov = s->priv_data;
5122 int64_t pos, pos_end = avio_tell(s->pb);
5123 uint8_t *buf, *read_buf[2];
5124 int read_buf_id = 0;
5126 AVIOContext *read_pb;
5128 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
5129 moov_size = compute_sidx_size(s);
5131 moov_size = compute_moov_size(s);
5135 buf = av_malloc(moov_size * 2);
5137 return AVERROR(ENOMEM);
5139 read_buf[1] = buf + moov_size;
5141 /* Shift the data: the AVIO context of the output can only be used for
5142 * writing, so we re-open the same output, but for reading. It also avoids
5143 * a read/seek/write/seek back and forth. */
5145 ret = avio_open(&read_pb, s->filename, AVIO_FLAG_READ);
5147 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
5148 "the second pass (faststart)\n", s->filename);
5152 /* mark the end of the shift to up to the last data we wrote, and get ready
5154 pos_end = avio_tell(s->pb);
5155 avio_seek(s->pb, mov->reserved_moov_pos + moov_size, SEEK_SET);
5157 /* start reading at where the new moov will be placed */
5158 avio_seek(read_pb, mov->reserved_moov_pos, SEEK_SET);
5159 pos = avio_tell(read_pb);
5161 #define READ_BLOCK do { \
5162 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
5166 /* shift data by chunk of at most moov_size */
5171 n = read_size[read_buf_id];
5174 avio_write(s->pb, read_buf[read_buf_id], n);
5176 } while (pos < pos_end);
5177 avio_close(read_pb);
5184 static int mov_write_trailer(AVFormatContext *s)
5186 MOVMuxContext *mov = s->priv_data;
5187 AVIOContext *pb = s->pb;
5193 * Before actually writing the trailer, make sure that there are no
5194 * dangling subtitles, that need a terminating sample.
5196 for (i = 0; i < mov->nb_streams; i++) {
5197 MOVTrack *trk = &mov->tracks[i];
5198 if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
5199 !trk->last_sample_is_subtitle_end) {
5200 mov_write_subtitle_end_packet(s, i, trk->track_duration);
5201 trk->last_sample_is_subtitle_end = 1;
5205 // If there were no chapters when the header was written, but there
5206 // are chapters now, write them in the trailer. This only works
5207 // when we are not doing fragments.
5208 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
5209 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
5210 mov->chapter_track = mov->nb_streams++;
5211 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
5216 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
5217 moov_pos = avio_tell(pb);
5219 /* Write size of mdat tag */
5220 if (mov->mdat_size + 8 <= UINT32_MAX) {
5221 avio_seek(pb, mov->mdat_pos, SEEK_SET);
5222 avio_wb32(pb, mov->mdat_size + 8);
5224 /* overwrite 'wide' placeholder atom */
5225 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
5226 /* special value: real atom size will be 64 bit value after
5229 ffio_wfourcc(pb, "mdat");
5230 avio_wb64(pb, mov->mdat_size + 16);
5232 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_moov_pos : moov_pos, SEEK_SET);
5234 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
5235 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
5236 res = shift_data(s);
5238 avio_seek(pb, mov->reserved_moov_pos, SEEK_SET);
5239 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
5242 } else if (mov->reserved_moov_size > 0) {
5244 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
5246 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos);
5248 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
5249 res = AVERROR(EINVAL);
5252 avio_wb32(pb, size);
5253 ffio_wfourcc(pb, "free");
5254 ffio_fill(pb, 0, size - 8);
5255 avio_seek(pb, moov_pos, SEEK_SET);
5257 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
5262 mov_auto_flush_fragment(s);
5263 for (i = 0; i < mov->nb_streams; i++)
5264 mov->tracks[i].data_offset = 0;
5265 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
5266 av_log(s, AV_LOG_INFO, "Starting second pass: inserting sidx atoms\n");
5267 res = shift_data(s);
5269 int64_t end = avio_tell(pb);
5270 avio_seek(pb, mov->reserved_moov_pos, SEEK_SET);
5271 mov_write_sidx_tags(pb, mov, -1, 0);
5272 avio_seek(pb, end, SEEK_SET);
5273 mov_write_mfra_tag(pb, mov);
5276 mov_write_mfra_tag(pb, mov);
5286 #if CONFIG_MOV_MUXER
5288 AVOutputFormat ff_mov_muxer = {
5290 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
5291 .extensions = "mov",
5292 .priv_data_size = sizeof(MOVMuxContext),
5293 .audio_codec = AV_CODEC_ID_AAC,
5294 .video_codec = CONFIG_LIBX264_ENCODER ?
5295 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
5296 .write_header = mov_write_header,
5297 .write_packet = mov_write_packet,
5298 .write_trailer = mov_write_trailer,
5299 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
5300 .codec_tag = (const AVCodecTag* const []){
5301 ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0
5303 .priv_class = &mov_muxer_class,
5306 #if CONFIG_TGP_MUXER
5308 AVOutputFormat ff_tgp_muxer = {
5310 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
5311 .extensions = "3gp",
5312 .priv_data_size = sizeof(MOVMuxContext),
5313 .audio_codec = AV_CODEC_ID_AMR_NB,
5314 .video_codec = AV_CODEC_ID_H263,
5315 .write_header = mov_write_header,
5316 .write_packet = mov_write_packet,
5317 .write_trailer = mov_write_trailer,
5318 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
5319 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
5320 .priv_class = &tgp_muxer_class,
5323 #if CONFIG_MP4_MUXER
5325 AVOutputFormat ff_mp4_muxer = {
5327 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
5328 .mime_type = "application/mp4",
5329 .extensions = "mp4",
5330 .priv_data_size = sizeof(MOVMuxContext),
5331 .audio_codec = AV_CODEC_ID_AAC,
5332 .video_codec = CONFIG_LIBX264_ENCODER ?
5333 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
5334 .write_header = mov_write_header,
5335 .write_packet = mov_write_packet,
5336 .write_trailer = mov_write_trailer,
5337 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
5338 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
5339 .priv_class = &mp4_muxer_class,
5342 #if CONFIG_PSP_MUXER
5344 AVOutputFormat ff_psp_muxer = {
5346 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
5347 .extensions = "mp4,psp",
5348 .priv_data_size = sizeof(MOVMuxContext),
5349 .audio_codec = AV_CODEC_ID_AAC,
5350 .video_codec = CONFIG_LIBX264_ENCODER ?
5351 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
5352 .write_header = mov_write_header,
5353 .write_packet = mov_write_packet,
5354 .write_trailer = mov_write_trailer,
5355 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
5356 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
5357 .priv_class = &psp_muxer_class,
5360 #if CONFIG_TG2_MUXER
5362 AVOutputFormat ff_tg2_muxer = {
5364 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
5365 .extensions = "3g2",
5366 .priv_data_size = sizeof(MOVMuxContext),
5367 .audio_codec = AV_CODEC_ID_AMR_NB,
5368 .video_codec = AV_CODEC_ID_H263,
5369 .write_header = mov_write_header,
5370 .write_packet = mov_write_packet,
5371 .write_trailer = mov_write_trailer,
5372 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
5373 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
5374 .priv_class = &tg2_muxer_class,
5377 #if CONFIG_IPOD_MUXER
5379 AVOutputFormat ff_ipod_muxer = {
5381 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
5382 .mime_type = "application/mp4",
5383 .extensions = "m4v,m4a",
5384 .priv_data_size = sizeof(MOVMuxContext),
5385 .audio_codec = AV_CODEC_ID_AAC,
5386 .video_codec = AV_CODEC_ID_H264,
5387 .write_header = mov_write_header,
5388 .write_packet = mov_write_packet,
5389 .write_trailer = mov_write_trailer,
5390 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
5391 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
5392 .priv_class = &ipod_muxer_class,
5395 #if CONFIG_ISMV_MUXER
5397 AVOutputFormat ff_ismv_muxer = {
5399 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
5400 .mime_type = "application/mp4",
5401 .extensions = "ismv,isma",
5402 .priv_data_size = sizeof(MOVMuxContext),
5403 .audio_codec = AV_CODEC_ID_AAC,
5404 .video_codec = AV_CODEC_ID_H264,
5405 .write_header = mov_write_header,
5406 .write_packet = mov_write_packet,
5407 .write_trailer = mov_write_trailer,
5408 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
5409 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
5410 .priv_class = &ismv_muxer_class,
5413 #if CONFIG_F4V_MUXER
5415 AVOutputFormat ff_f4v_muxer = {
5417 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
5418 .mime_type = "application/f4v",
5419 .extensions = "f4v",
5420 .priv_data_size = sizeof(MOVMuxContext),
5421 .audio_codec = AV_CODEC_ID_AAC,
5422 .video_codec = AV_CODEC_ID_H264,
5423 .write_header = mov_write_header,
5424 .write_packet = mov_write_packet,
5425 .write_trailer = mov_write_trailer,
5426 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
5427 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
5428 .priv_class = &f4v_muxer_class,