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 #if CONFIG_AC3_PARSER
326 static int handle_eac3(MOVMuxContext *mov, AVPacket *pkt, MOVTrack *track)
329 AC3HeaderInfo tmp, *hdr = &tmp;
330 struct eac3_info *info;
333 if (!track->eac3_priv && !(track->eac3_priv = av_mallocz(sizeof(*info))))
334 return AVERROR(ENOMEM);
335 info = track->eac3_priv;
337 init_get_bits(&gbc, pkt->data, pkt->size * 8);
338 if (avpriv_ac3_parse_header2(&gbc, &hdr) < 0) {
339 /* drop the packets until we see a good one */
341 av_log(mov, AV_LOG_WARNING, "Dropping invalid packet from start of the stream\n");
344 return AVERROR_INVALIDDATA;
347 info->data_rate = FFMAX(info->data_rate, hdr->bit_rate / 1000);
348 num_blocks = hdr->num_blocks;
350 if (!info->ec3_done) {
351 /* AC-3 substream must be the first one */
352 if (hdr->bitstream_id <= 10 && hdr->substreamid != 0)
353 return AVERROR(EINVAL);
355 /* this should always be the case, given that our AC-3 parser
356 * concatenates dependent frames to their independent parent */
357 if (hdr->frame_type == EAC3_FRAME_TYPE_INDEPENDENT) {
358 /* substream ids must be incremental */
359 if (hdr->substreamid > info->num_ind_sub + 1)
360 return AVERROR(EINVAL);
362 if (hdr->substreamid == info->num_ind_sub + 1) {
363 //info->num_ind_sub++;
364 avpriv_request_sample(track->enc, "Multiple independent substreams");
365 return AVERROR_PATCHWELCOME;
366 } else if (hdr->substreamid < info->num_ind_sub ||
367 hdr->substreamid == 0 && info->substream[0].bsid) {
373 /* fill the info needed for the "dec3" atom */
374 info->substream[hdr->substreamid].fscod = hdr->sr_code;
375 info->substream[hdr->substreamid].bsid = hdr->bitstream_id;
376 info->substream[hdr->substreamid].bsmod = hdr->bitstream_mode;
377 info->substream[hdr->substreamid].acmod = hdr->channel_mode;
378 info->substream[hdr->substreamid].lfeon = hdr->lfe_on;
380 /* Parse dependent substream(s), if any */
381 if (pkt->size != hdr->frame_size) {
382 int cumul_size = hdr->frame_size;
383 int parent = hdr->substreamid;
385 while (cumul_size != pkt->size) {
387 init_get_bits(&gbc, pkt->data + cumul_size, (pkt->size - cumul_size) * 8);
388 if (avpriv_ac3_parse_header2(&gbc, &hdr) < 0)
389 return AVERROR_INVALIDDATA;
390 if (hdr->frame_type != EAC3_FRAME_TYPE_DEPENDENT)
391 return AVERROR(EINVAL);
392 cumul_size += hdr->frame_size;
393 info->substream[parent].num_dep_sub++;
395 /* header is parsed up to lfeon, but custom channel map may be needed */
398 /* skip volume control params */
399 for (i = 0; i < (hdr->channel_mode ? 1 : 2); i++) {
400 skip_bits(&gbc, 5); // skip dialog normalization
401 if (get_bits1(&gbc)) {
402 skip_bits(&gbc, 8); // skip compression gain word
405 /* get the dependent stream channel map, if exists */
407 info->substream[parent].chan_loc |= (get_bits(&gbc, 16) >> 5) & 0x1f;
409 info->substream[parent].chan_loc |= hdr->channel_mode;
415 if (!info->num_blocks && num_blocks == 6)
417 else if (info->num_blocks + num_blocks > 6)
418 return AVERROR_INVALIDDATA;
420 if (!info->num_blocks) {
422 if ((ret = av_copy_packet(&info->pkt, pkt)) < 0)
424 info->num_blocks = num_blocks;
428 if ((ret = av_grow_packet(&info->pkt, pkt->size)) < 0)
430 memcpy(info->pkt.data + info->pkt.size - pkt->size, pkt->data, pkt->size);
431 info->num_blocks += num_blocks;
432 info->pkt.duration += pkt->duration;
433 if ((ret = av_copy_packet_side_data(&info->pkt, pkt)) < 0)
435 if (info->num_blocks != 6)
438 if ((ret = av_copy_packet(pkt, &info->pkt)) < 0)
440 av_free_packet(&info->pkt);
441 info->num_blocks = 0;
448 static int mov_write_eac3_tag(AVIOContext *pb, MOVTrack *track)
452 struct eac3_info *info;
455 if (!track->eac3_priv)
456 return AVERROR(EINVAL);
458 info = track->eac3_priv;
459 size = 2 + 4 * (info->num_ind_sub + 1);
460 buf = av_malloc(size);
462 size = AVERROR(ENOMEM);
466 init_put_bits(&pbc, buf, size);
467 put_bits(&pbc, 13, info->data_rate);
468 put_bits(&pbc, 3, info->num_ind_sub);
469 for (i = 0; i <= info->num_ind_sub; i++) {
470 put_bits(&pbc, 2, info->substream[i].fscod);
471 put_bits(&pbc, 5, info->substream[i].bsid);
472 put_bits(&pbc, 1, 0); /* reserved */
473 put_bits(&pbc, 1, 0); /* asvc */
474 put_bits(&pbc, 3, info->substream[i].bsmod);
475 put_bits(&pbc, 3, info->substream[i].acmod);
476 put_bits(&pbc, 1, info->substream[i].lfeon);
477 put_bits(&pbc, 5, 0); /* reserved */
478 put_bits(&pbc, 4, info->substream[i].num_dep_sub);
479 if (!info->substream[i].num_dep_sub) {
480 put_bits(&pbc, 1, 0); /* reserved */
483 put_bits(&pbc, 9, info->substream[i].chan_loc);
486 flush_put_bits(&pbc);
488 avio_wb32(pb, size + 8);
489 ffio_wfourcc(pb, "dec3");
490 avio_write(pb, buf, size);
495 av_free_packet(&info->pkt);
496 av_freep(&track->eac3_priv);
502 * This function writes extradata "as is".
503 * Extradata must be formatted like a valid atom (with size and tag).
505 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
507 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
508 return track->enc->extradata_size;
511 static int mov_write_enda_tag(AVIOContext *pb)
514 ffio_wfourcc(pb, "enda");
515 avio_wb16(pb, 1); /* little endian */
519 static int mov_write_enda_tag_be(AVIOContext *pb)
522 ffio_wfourcc(pb, "enda");
523 avio_wb16(pb, 0); /* big endian */
527 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
532 avio_w8(pb, (size >> (7 * i)) | 0x80);
533 avio_w8(pb, size & 0x7F);
536 static unsigned compute_avg_bitrate(MOVTrack *track)
540 if (!track->track_duration)
542 for (i = 0; i < track->entry; i++)
543 size += track->cluster[i].size;
544 return size * 8 * track->timescale / track->track_duration;
547 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
549 int64_t pos = avio_tell(pb);
550 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
551 unsigned avg_bitrate;
553 avio_wb32(pb, 0); // size
554 ffio_wfourcc(pb, "esds");
555 avio_wb32(pb, 0); // Version
558 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
559 avio_wb16(pb, track->track_id);
560 avio_w8(pb, 0x00); // flags (= no flags)
562 // DecoderConfig descriptor
563 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
565 // Object type indication
566 if ((track->enc->codec_id == AV_CODEC_ID_MP2 ||
567 track->enc->codec_id == AV_CODEC_ID_MP3) &&
568 track->enc->sample_rate > 24000)
569 avio_w8(pb, 0x6B); // 11172-3
571 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
573 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
574 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
575 if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
576 avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
577 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
578 avio_w8(pb, 0x15); // flags (= Audiostream)
580 avio_w8(pb, 0x11); // flags (= Visualstream)
582 avio_wb24(pb, track->enc->rc_buffer_size >> 3); // Buffersize DB
584 avg_bitrate = compute_avg_bitrate(track);
585 // maxbitrate (FIXME should be max rate in any 1 sec window)
586 avio_wb32(pb, FFMAX3(track->enc->bit_rate, track->enc->rc_max_rate, avg_bitrate));
587 avio_wb32(pb, avg_bitrate);
589 if (track->vos_len) {
590 // DecoderSpecific info descriptor
591 put_descr(pb, 0x05, track->vos_len);
592 avio_write(pb, track->vos_data, track->vos_len);
596 put_descr(pb, 0x06, 1);
598 return update_size(pb, pos);
601 static int mov_pcm_le_gt16(enum AVCodecID codec_id)
603 return codec_id == AV_CODEC_ID_PCM_S24LE ||
604 codec_id == AV_CODEC_ID_PCM_S32LE ||
605 codec_id == AV_CODEC_ID_PCM_F32LE ||
606 codec_id == AV_CODEC_ID_PCM_F64LE;
609 static int mov_pcm_be_gt16(enum AVCodecID codec_id)
611 return codec_id == AV_CODEC_ID_PCM_S24BE ||
612 codec_id == AV_CODEC_ID_PCM_S32BE ||
613 codec_id == AV_CODEC_ID_PCM_F32BE ||
614 codec_id == AV_CODEC_ID_PCM_F64BE;
617 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
620 int64_t pos = avio_tell(pb);
622 avio_wl32(pb, track->tag); // store it byteswapped
623 track->enc->codec_tag = av_bswap16(track->tag >> 16);
624 if ((ret = ff_put_wav_header(pb, track->enc, 0)) < 0)
626 return update_size(pb, pos);
629 static int mov_write_wfex_tag(AVIOContext *pb, MOVTrack *track)
632 int64_t pos = avio_tell(pb);
634 ffio_wfourcc(pb, "wfex");
635 if ((ret = ff_put_wav_header(pb, track->enc, FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX)) < 0)
637 return update_size(pb, pos);
640 static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
642 uint32_t layout_tag, bitmap;
643 int64_t pos = avio_tell(pb);
645 layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
646 track->enc->channel_layout,
649 av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
650 "lack of channel information\n");
654 if (track->multichannel_as_mono)
657 avio_wb32(pb, 0); // Size
658 ffio_wfourcc(pb, "chan"); // Type
659 avio_w8(pb, 0); // Version
660 avio_wb24(pb, 0); // Flags
661 avio_wb32(pb, layout_tag); // mChannelLayoutTag
662 avio_wb32(pb, bitmap); // mChannelBitmap
663 avio_wb32(pb, 0); // mNumberChannelDescriptions
665 return update_size(pb, pos);
668 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
670 int64_t pos = avio_tell(pb);
672 avio_wb32(pb, 0); /* size */
673 ffio_wfourcc(pb, "wave");
675 if (track->enc->codec_id != AV_CODEC_ID_QDM2) {
676 avio_wb32(pb, 12); /* size */
677 ffio_wfourcc(pb, "frma");
678 avio_wl32(pb, track->tag);
681 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
682 /* useless atom needed by mplayer, ipod, not needed by quicktime */
683 avio_wb32(pb, 12); /* size */
684 ffio_wfourcc(pb, "mp4a");
686 mov_write_esds_tag(pb, track);
687 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
688 mov_write_enda_tag(pb);
689 } else if (mov_pcm_be_gt16(track->enc->codec_id)) {
690 mov_write_enda_tag_be(pb);
691 } else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB) {
692 mov_write_amr_tag(pb, track);
693 } else if (track->enc->codec_id == AV_CODEC_ID_AC3) {
694 mov_write_ac3_tag(pb, track);
695 } else if (track->enc->codec_id == AV_CODEC_ID_EAC3) {
696 mov_write_eac3_tag(pb, track);
697 } else if (track->enc->codec_id == AV_CODEC_ID_ALAC ||
698 track->enc->codec_id == AV_CODEC_ID_QDM2) {
699 mov_write_extradata_tag(pb, track);
700 } else if (track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
701 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
702 mov_write_ms_tag(pb, track);
705 avio_wb32(pb, 8); /* size */
706 avio_wb32(pb, 0); /* null tag */
708 return update_size(pb, pos);
711 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
714 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
715 int unescaped_size, seq_found = 0;
716 int level = 0, interlace = 0;
717 int packet_seq = track->vc1_info.packet_seq;
718 int packet_entry = track->vc1_info.packet_entry;
719 int slices = track->vc1_info.slices;
722 if (track->start_dts == AV_NOPTS_VALUE) {
723 /* No packets written yet, vc1_info isn't authoritative yet. */
724 /* Assume inline sequence and entry headers. */
725 packet_seq = packet_entry = 1;
726 av_log(NULL, AV_LOG_WARNING,
727 "moov atom written before any packets, unable to write correct "
728 "dvc1 atom. Set the delay_moov flag to fix this.\n");
731 unescaped = av_mallocz(track->vos_len + FF_INPUT_BUFFER_PADDING_SIZE);
733 return AVERROR(ENOMEM);
734 start = find_next_marker(track->vos_data, end);
735 for (next = start; next < end; start = next) {
738 next = find_next_marker(start + 4, end);
739 size = next - start - 4;
742 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
743 init_get_bits(&gb, unescaped, 8 * unescaped_size);
744 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
745 int profile = get_bits(&gb, 2);
746 if (profile != PROFILE_ADVANCED) {
748 return AVERROR(ENOSYS);
751 level = get_bits(&gb, 3);
752 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
754 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
755 skip_bits(&gb, 1); /* broadcast */
756 interlace = get_bits1(&gb);
757 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
762 return AVERROR(ENOSYS);
765 init_put_bits(&pbc, buf, 7);
766 /* VC1DecSpecStruc */
767 put_bits(&pbc, 4, 12); /* profile - advanced */
768 put_bits(&pbc, 3, level);
769 put_bits(&pbc, 1, 0); /* reserved */
770 /* VC1AdvDecSpecStruc */
771 put_bits(&pbc, 3, level);
772 put_bits(&pbc, 1, 0); /* cbr */
773 put_bits(&pbc, 6, 0); /* reserved */
774 put_bits(&pbc, 1, !interlace); /* no interlace */
775 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
776 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
777 put_bits(&pbc, 1, !slices); /* no slice code */
778 put_bits(&pbc, 1, 0); /* no bframe */
779 put_bits(&pbc, 1, 0); /* reserved */
782 if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0)
783 put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den);
785 put_bits32(&pbc, 0xffffffff);
787 flush_put_bits(&pbc);
794 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
796 uint8_t buf[7] = { 0 };
799 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
802 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
803 ffio_wfourcc(pb, "dvc1");
804 avio_write(pb, buf, sizeof(buf));
805 avio_write(pb, track->vos_data, track->vos_len);
810 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
812 avio_wb32(pb, track->vos_len + 8);
813 ffio_wfourcc(pb, "glbl");
814 avio_write(pb, track->vos_data, track->vos_len);
815 return 8 + track->vos_len;
819 * Compute flags for 'lpcm' tag.
820 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
822 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
825 case AV_CODEC_ID_PCM_F32BE:
826 case AV_CODEC_ID_PCM_F64BE:
828 case AV_CODEC_ID_PCM_F32LE:
829 case AV_CODEC_ID_PCM_F64LE:
831 case AV_CODEC_ID_PCM_U8:
833 case AV_CODEC_ID_PCM_S16BE:
834 case AV_CODEC_ID_PCM_S24BE:
835 case AV_CODEC_ID_PCM_S32BE:
837 case AV_CODEC_ID_PCM_S8:
838 case AV_CODEC_ID_PCM_S16LE:
839 case AV_CODEC_ID_PCM_S24LE:
840 case AV_CODEC_ID_PCM_S32LE:
847 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
851 if (cluster_idx >= track->entry)
854 if (cluster_idx + 1 == track->entry)
855 next_dts = track->track_duration + track->start_dts;
857 next_dts = track->cluster[cluster_idx + 1].dts;
859 next_dts -= track->cluster[cluster_idx].dts;
861 av_assert0(next_dts >= 0);
862 av_assert0(next_dts <= INT_MAX);
867 static int get_samples_per_packet(MOVTrack *track)
869 int i, first_duration;
871 // return track->enc->frame_size;
873 /* use 1 for raw PCM */
874 if (!track->audio_vbr)
877 /* check to see if duration is constant for all clusters */
880 first_duration = get_cluster_duration(track, 0);
881 for (i = 1; i < track->entry; i++) {
882 if (get_cluster_duration(track, i) != first_duration)
885 return first_duration;
888 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
890 int64_t pos = avio_tell(pb);
892 uint32_t tag = track->tag;
894 if (track->mode == MODE_MOV) {
895 if (track->timescale > UINT16_MAX) {
896 if (mov_get_lpcm_flags(track->enc->codec_id))
897 tag = AV_RL32("lpcm");
899 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
900 mov_pcm_be_gt16(track->enc->codec_id) ||
901 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
902 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
903 track->enc->codec_id == AV_CODEC_ID_QDM2) {
908 avio_wb32(pb, 0); /* size */
909 avio_wl32(pb, tag); // store it byteswapped
910 avio_wb32(pb, 0); /* Reserved */
911 avio_wb16(pb, 0); /* Reserved */
912 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
914 /* SoundDescription */
915 avio_wb16(pb, version); /* Version */
916 avio_wb16(pb, 0); /* Revision level */
917 avio_wb32(pb, 0); /* Reserved */
922 avio_wb16(pb, 0xfffe);
924 avio_wb32(pb, 0x00010000);
926 avio_wb64(pb, av_double2int(track->enc->sample_rate));
927 avio_wb32(pb, track->enc->channels);
928 avio_wb32(pb, 0x7F000000);
929 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
930 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
931 avio_wb32(pb, track->sample_size);
932 avio_wb32(pb, get_samples_per_packet(track));
934 if (track->mode == MODE_MOV) {
935 avio_wb16(pb, track->enc->channels);
936 if (track->enc->codec_id == AV_CODEC_ID_PCM_U8 ||
937 track->enc->codec_id == AV_CODEC_ID_PCM_S8)
938 avio_wb16(pb, 8); /* bits per sample */
939 else if (track->enc->codec_id == AV_CODEC_ID_ADPCM_G726)
940 avio_wb16(pb, track->enc->bits_per_coded_sample);
943 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
944 } else { /* reserved for mp4/3gp */
950 avio_wb16(pb, 0); /* packet size (= 0) */
951 avio_wb16(pb, track->enc->sample_rate <= UINT16_MAX ?
952 track->enc->sample_rate : 0);
953 avio_wb16(pb, 0); /* Reserved */
956 if (version == 1) { /* SoundDescription V1 extended info */
957 if (mov_pcm_le_gt16(track->enc->codec_id) ||
958 mov_pcm_be_gt16(track->enc->codec_id))
959 avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
961 avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
962 avio_wb32(pb, track->sample_size / track->enc->channels); /* Bytes per packet */
963 avio_wb32(pb, track->sample_size); /* Bytes per frame */
964 avio_wb32(pb, 2); /* Bytes per sample */
967 if (track->mode == MODE_MOV &&
968 (track->enc->codec_id == AV_CODEC_ID_AAC ||
969 track->enc->codec_id == AV_CODEC_ID_AC3 ||
970 track->enc->codec_id == AV_CODEC_ID_EAC3 ||
971 track->enc->codec_id == AV_CODEC_ID_AMR_NB ||
972 track->enc->codec_id == AV_CODEC_ID_ALAC ||
973 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
974 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
975 track->enc->codec_id == AV_CODEC_ID_QDM2 ||
976 (mov_pcm_le_gt16(track->enc->codec_id) && version==1) ||
977 (mov_pcm_be_gt16(track->enc->codec_id) && version==1)))
978 mov_write_wave_tag(pb, track);
979 else if (track->tag == MKTAG('m','p','4','a'))
980 mov_write_esds_tag(pb, track);
981 else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB)
982 mov_write_amr_tag(pb, track);
983 else if (track->enc->codec_id == AV_CODEC_ID_AC3)
984 mov_write_ac3_tag(pb, track);
985 else if (track->enc->codec_id == AV_CODEC_ID_EAC3)
986 mov_write_eac3_tag(pb, track);
987 else if (track->enc->codec_id == AV_CODEC_ID_ALAC)
988 mov_write_extradata_tag(pb, track);
989 else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO)
990 mov_write_wfex_tag(pb, track);
991 else if (track->vos_len > 0)
992 mov_write_glbl_tag(pb, track);
994 if (track->mode == MODE_MOV && track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
995 mov_write_chan_tag(pb, track);
997 return update_size(pb, pos);
1000 static int mov_write_d263_tag(AVIOContext *pb)
1002 avio_wb32(pb, 0xf); /* size */
1003 ffio_wfourcc(pb, "d263");
1004 ffio_wfourcc(pb, "FFMP");
1005 avio_w8(pb, 0); /* decoder version */
1006 /* FIXME use AVCodecContext level/profile, when encoder will set values */
1007 avio_w8(pb, 0xa); /* level */
1008 avio_w8(pb, 0); /* profile */
1012 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
1014 int64_t pos = avio_tell(pb);
1017 ffio_wfourcc(pb, "avcC");
1018 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
1019 return update_size(pb, pos);
1022 static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
1024 int64_t pos = avio_tell(pb);
1027 ffio_wfourcc(pb, "hvcC");
1028 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
1029 return update_size(pb, pos);
1032 /* also used by all avid codecs (dv, imx, meridien) and their variants */
1033 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
1039 if (track->vos_data && track->vos_len > 0x29) {
1040 if (track->vos_data[0] == 0x00 &&
1041 track->vos_data[1] == 0x00 &&
1042 track->vos_data[2] == 0x02 &&
1043 track->vos_data[3] == 0x80 &&
1044 (track->vos_data[4] == 0x01 || track->vos_data[4] == 0x02)) {
1045 /* looks like a DNxHD bit stream */
1046 interlaced = (track->vos_data[5] & 2);
1047 cid = AV_RB32(track->vos_data + 0x28);
1049 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream in vos_data\n");
1053 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream, vos_data too small\n");
1057 avio_wb32(pb, 24); /* size */
1058 ffio_wfourcc(pb, "ACLR");
1059 ffio_wfourcc(pb, "ACLR");
1060 ffio_wfourcc(pb, "0001");
1061 if (track->enc->color_range == AVCOL_RANGE_MPEG || /* Legal range (16-235) */
1062 track->enc->color_range == AVCOL_RANGE_UNSPECIFIED) {
1063 avio_wb32(pb, 1); /* Corresponds to 709 in official encoder */
1064 } else { /* Full range (0-255) */
1065 avio_wb32(pb, 2); /* Corresponds to RGB in official encoder */
1067 avio_wb32(pb, 0); /* unknown */
1069 avio_wb32(pb, 24); /* size */
1070 ffio_wfourcc(pb, "APRG");
1071 ffio_wfourcc(pb, "APRG");
1072 ffio_wfourcc(pb, "0001");
1073 avio_wb32(pb, 1); /* unknown */
1074 avio_wb32(pb, 0); /* unknown */
1076 avio_wb32(pb, 120); /* size */
1077 ffio_wfourcc(pb, "ARES");
1078 ffio_wfourcc(pb, "ARES");
1079 ffio_wfourcc(pb, "0001");
1080 avio_wb32(pb, cid); /* dnxhd cid, some id ? */
1081 avio_wb32(pb, track->enc->width);
1082 /* values below are based on samples created with quicktime and avid codecs */
1084 avio_wb32(pb, track->enc->height / 2);
1085 avio_wb32(pb, 2); /* unknown */
1086 avio_wb32(pb, 0); /* unknown */
1087 avio_wb32(pb, 4); /* unknown */
1089 avio_wb32(pb, track->enc->height);
1090 avio_wb32(pb, 1); /* unknown */
1091 avio_wb32(pb, 0); /* unknown */
1092 if (track->enc->height == 1080)
1093 avio_wb32(pb, 5); /* unknown */
1095 avio_wb32(pb, 6); /* unknown */
1098 for (i = 0; i < 10; i++)
1104 static int mov_write_dpxe_tag(AVIOContext *pb, MOVTrack *track)
1107 ffio_wfourcc(pb, "DpxE");
1108 if (track->enc->extradata_size >= 12 &&
1109 !memcmp(&track->enc->extradata[4], "DpxE", 4)) {
1110 avio_wb32(pb, track->enc->extradata[11]);
1117 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1119 int tag = track->enc->codec_tag;
1121 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
1124 if (track->enc->codec_id == AV_CODEC_ID_H264) tag = MKTAG('a','v','c','1');
1125 else if (track->enc->codec_id == AV_CODEC_ID_HEVC) tag = MKTAG('h','e','v','1');
1126 else if (track->enc->codec_id == AV_CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
1127 else if (track->enc->codec_id == AV_CODEC_ID_EAC3) tag = MKTAG('e','c','-','3');
1128 else if (track->enc->codec_id == AV_CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
1129 else if (track->enc->codec_id == AV_CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
1130 else if (track->enc->codec_id == AV_CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
1131 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
1132 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
1133 else if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE) tag = MKTAG('m','p','4','s');
1138 static const AVCodecTag codec_ipod_tags[] = {
1139 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1140 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
1141 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1142 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
1143 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
1144 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
1145 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
1146 { AV_CODEC_ID_NONE, 0 },
1149 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1151 int tag = track->enc->codec_tag;
1153 // keep original tag for subs, ipod supports both formats
1154 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
1155 (tag == MKTAG('t', 'x', '3', 'g') ||
1156 tag == MKTAG('t', 'e', 'x', 't'))))
1157 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
1159 if (!av_match_ext(s->filename, "m4a") &&
1160 !av_match_ext(s->filename, "m4b") &&
1161 !av_match_ext(s->filename, "m4v"))
1162 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a, .m4v nor .m4b "
1163 "Quicktime/Ipod might not play the file\n");
1168 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
1172 if (track->enc->width == 720) { /* SD */
1173 if (track->enc->height == 480) { /* NTSC */
1174 if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
1175 else tag = MKTAG('d','v','c',' ');
1176 }else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
1177 else if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
1178 else tag = MKTAG('d','v','p','p');
1179 } else if (track->enc->height == 720) { /* HD 720 line */
1180 if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q');
1181 else tag = MKTAG('d','v','h','p');
1182 } else if (track->enc->height == 1080) { /* HD 1080 line */
1183 if (track->st->time_base.den == 25) tag = MKTAG('d','v','h','5');
1184 else tag = MKTAG('d','v','h','6');
1186 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
1193 static AVRational find_fps(AVFormatContext *s, AVStream *st)
1195 AVRational rate = {st->codec->time_base.den, st->codec->time_base.num};
1196 /* if the codec time base makes no sense, try to fallback on stream frame rate */
1197 if (av_timecode_check_frame_rate(rate) < 0) {
1198 av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
1199 rate.num, rate.den, st->avg_frame_rate.num, st->avg_frame_rate.den);
1200 rate = st->avg_frame_rate;
1206 static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext *s, MOVTrack *track)
1208 int tag = track->enc->codec_tag;
1209 int interlaced = track->enc->field_order > AV_FIELD_PROGRESSIVE;
1210 AVStream *st = track->st;
1211 int rate = av_q2d(find_fps(s, st));
1214 tag = MKTAG('m', '2', 'v', '1'); //fallback tag
1216 if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) {
1217 if (track->enc->width == 1280 && track->enc->height == 720) {
1219 if (rate == 24) tag = MKTAG('x','d','v','4');
1220 else if (rate == 25) tag = MKTAG('x','d','v','5');
1221 else if (rate == 30) tag = MKTAG('x','d','v','1');
1222 else if (rate == 50) tag = MKTAG('x','d','v','a');
1223 else if (rate == 60) tag = MKTAG('x','d','v','9');
1225 } else if (track->enc->width == 1440 && track->enc->height == 1080) {
1227 if (rate == 24) tag = MKTAG('x','d','v','6');
1228 else if (rate == 25) tag = MKTAG('x','d','v','7');
1229 else if (rate == 30) tag = MKTAG('x','d','v','8');
1231 if (rate == 25) tag = MKTAG('x','d','v','3');
1232 else if (rate == 30) tag = MKTAG('x','d','v','2');
1234 } else if (track->enc->width == 1920 && track->enc->height == 1080) {
1236 if (rate == 24) tag = MKTAG('x','d','v','d');
1237 else if (rate == 25) tag = MKTAG('x','d','v','e');
1238 else if (rate == 30) tag = MKTAG('x','d','v','f');
1240 if (rate == 25) tag = MKTAG('x','d','v','c');
1241 else if (rate == 30) tag = MKTAG('x','d','v','b');
1244 } else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) {
1245 if (track->enc->width == 1280 && track->enc->height == 720) {
1247 if (rate == 24) tag = MKTAG('x','d','5','4');
1248 else if (rate == 25) tag = MKTAG('x','d','5','5');
1249 else if (rate == 30) tag = MKTAG('x','d','5','1');
1250 else if (rate == 50) tag = MKTAG('x','d','5','a');
1251 else if (rate == 60) tag = MKTAG('x','d','5','9');
1253 } else if (track->enc->width == 1920 && track->enc->height == 1080) {
1255 if (rate == 24) tag = MKTAG('x','d','5','d');
1256 else if (rate == 25) tag = MKTAG('x','d','5','e');
1257 else if (rate == 30) tag = MKTAG('x','d','5','f');
1259 if (rate == 25) tag = MKTAG('x','d','5','c');
1260 else if (rate == 30) tag = MKTAG('x','d','5','b');
1268 static int mov_get_h264_codec_tag(AVFormatContext *s, MOVTrack *track)
1270 int tag = track->enc->codec_tag;
1271 int interlaced = track->enc->field_order > AV_FIELD_PROGRESSIVE;
1272 AVStream *st = track->st;
1273 int rate = av_q2d(find_fps(s, st));
1276 tag = MKTAG('a', 'v', 'c', 'i'); //fallback tag
1278 if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P10) {
1279 if (track->enc->width == 960 && track->enc->height == 720) {
1281 if (rate == 24) tag = MKTAG('a','i','5','p');
1282 else if (rate == 25) tag = MKTAG('a','i','5','q');
1283 else if (rate == 30) tag = MKTAG('a','i','5','p');
1284 else if (rate == 50) tag = MKTAG('a','i','5','q');
1285 else if (rate == 60) tag = MKTAG('a','i','5','p');
1287 } else if (track->enc->width == 1440 && track->enc->height == 1080) {
1289 if (rate == 24) tag = MKTAG('a','i','5','3');
1290 else if (rate == 25) tag = MKTAG('a','i','5','2');
1291 else if (rate == 30) tag = MKTAG('a','i','5','3');
1293 if (rate == 50) tag = MKTAG('a','i','5','5');
1294 else if (rate == 60) tag = MKTAG('a','i','5','6');
1297 } else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P10) {
1298 if (track->enc->width == 1280 && track->enc->height == 720) {
1300 if (rate == 24) tag = MKTAG('a','i','1','p');
1301 else if (rate == 25) tag = MKTAG('a','i','1','q');
1302 else if (rate == 30) tag = MKTAG('a','i','1','p');
1303 else if (rate == 50) tag = MKTAG('a','i','1','q');
1304 else if (rate == 60) tag = MKTAG('a','i','1','p');
1306 } else if (track->enc->width == 1920 && track->enc->height == 1080) {
1308 if (rate == 24) tag = MKTAG('a','i','1','3');
1309 else if (rate == 25) tag = MKTAG('a','i','1','2');
1310 else if (rate == 30) tag = MKTAG('a','i','1','3');
1312 if (rate == 25) tag = MKTAG('a','i','1','5');
1313 else if (rate == 50) tag = MKTAG('a','i','1','5');
1314 else if (rate == 60) tag = MKTAG('a','i','1','6');
1316 } else if ( track->enc->width == 4096 && track->enc->height == 2160
1317 || track->enc->width == 3840 && track->enc->height == 2160
1318 || track->enc->width == 2048 && track->enc->height == 1080) {
1319 tag = MKTAG('a','i','v','x');
1326 static const struct {
1327 enum AVPixelFormat pix_fmt;
1330 } mov_pix_fmt_tags[] = {
1331 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
1332 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
1333 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
1334 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
1335 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
1336 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
1337 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
1338 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
1339 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
1340 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
1341 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
1342 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
1343 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
1344 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
1345 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
1348 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
1350 int tag = track->enc->codec_tag;
1352 enum AVPixelFormat pix_fmt;
1354 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
1355 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
1356 tag = mov_pix_fmt_tags[i].tag;
1357 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
1358 if (track->enc->codec_tag == mov_pix_fmt_tags[i].tag)
1363 pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_mov,
1364 track->enc->bits_per_coded_sample);
1365 if (tag == MKTAG('r','a','w',' ') &&
1366 track->enc->pix_fmt != pix_fmt &&
1367 track->enc->pix_fmt != AV_PIX_FMT_NONE)
1368 av_log(s, AV_LOG_ERROR, "%s rawvideo cannot be written to mov, output file will be unreadable\n",
1369 av_get_pix_fmt_name(track->enc->pix_fmt));
1373 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1375 int tag = track->enc->codec_tag;
1377 if (!tag || (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
1378 (track->enc->codec_id == AV_CODEC_ID_DVVIDEO ||
1379 track->enc->codec_id == AV_CODEC_ID_RAWVIDEO ||
1380 track->enc->codec_id == AV_CODEC_ID_H263 ||
1381 track->enc->codec_id == AV_CODEC_ID_H264 ||
1382 track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
1383 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
1384 if (track->enc->codec_id == AV_CODEC_ID_DVVIDEO)
1385 tag = mov_get_dv_codec_tag(s, track);
1386 else if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO)
1387 tag = mov_get_rawvideo_codec_tag(s, track);
1388 else if (track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO)
1389 tag = mov_get_mpeg2_xdcam_codec_tag(s, track);
1390 else if (track->enc->codec_id == AV_CODEC_ID_H264)
1391 tag = mov_get_h264_codec_tag(s, track);
1392 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1393 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->enc->codec_id);
1394 if (!tag) { // if no mac fcc found, try with Microsoft tags
1395 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
1397 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
1398 "the file may be unplayable!\n");
1400 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1401 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->enc->codec_id);
1402 if (!tag) { // if no mac fcc found, try with Microsoft tags
1403 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
1405 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
1406 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
1407 "the file may be unplayable!\n");
1410 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1411 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
1417 static const AVCodecTag codec_3gp_tags[] = {
1418 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
1419 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1420 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
1421 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1422 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
1423 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
1424 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
1425 { AV_CODEC_ID_NONE, 0 },
1428 static const AVCodecTag codec_f4v_tags[] = { // XXX: add GIF/PNG/JPEG?
1429 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
1430 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1431 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1432 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
1433 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
1434 { AV_CODEC_ID_NONE, 0 },
1437 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
1441 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
1442 tag = mp4_get_codec_tag(s, track);
1443 else if (track->mode == MODE_ISM) {
1444 tag = mp4_get_codec_tag(s, track);
1445 if (!tag && track->enc->codec_id == AV_CODEC_ID_WMAPRO)
1446 tag = MKTAG('w', 'm', 'a', ' ');
1447 } else if (track->mode == MODE_IPOD)
1448 tag = ipod_get_codec_tag(s, track);
1449 else if (track->mode & MODE_3GP)
1450 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
1451 else if (track->mode == MODE_F4V)
1452 tag = ff_codec_get_tag(codec_f4v_tags, track->enc->codec_id);
1454 tag = mov_get_codec_tag(s, track);
1459 /** Write uuid atom.
1460 * Needed to make file play in iPods running newest firmware
1461 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1463 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1466 ffio_wfourcc(pb, "uuid");
1467 avio_wb32(pb, 0x6b6840f2);
1468 avio_wb32(pb, 0x5f244fc5);
1469 avio_wb32(pb, 0xba39a51b);
1470 avio_wb32(pb, 0xcf0323f3);
1475 static const uint16_t fiel_data[] = {
1476 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1479 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
1481 unsigned mov_field_order = 0;
1482 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
1483 mov_field_order = fiel_data[track->enc->field_order];
1487 ffio_wfourcc(pb, "fiel");
1488 avio_wb16(pb, mov_field_order);
1492 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1494 int64_t pos = avio_tell(pb);
1495 avio_wb32(pb, 0); /* size */
1496 avio_wl32(pb, track->tag); // store it byteswapped
1497 avio_wb32(pb, 0); /* Reserved */
1498 avio_wb16(pb, 0); /* Reserved */
1499 avio_wb16(pb, 1); /* Data-reference index */
1501 if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
1502 mov_write_esds_tag(pb, track);
1503 else if (track->enc->extradata_size)
1504 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1506 return update_size(pb, pos);
1509 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1512 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
1513 track->enc->sample_aspect_ratio.den, INT_MAX);
1516 ffio_wfourcc(pb, "pasp");
1517 avio_wb32(pb, sar.num);
1518 avio_wb32(pb, sar.den);
1522 static int mov_write_colr_tag(AVIOContext *pb, MOVTrack *track)
1524 // Ref (MOV): https://developer.apple.com/library/mac/technotes/tn2162/_index.html#//apple_ref/doc/uid/DTS40013070-CH1-TNTAG9
1525 // Ref (MP4): ISO/IEC 14496-12:2012
1527 if (track->enc->color_primaries == AVCOL_PRI_UNSPECIFIED &&
1528 track->enc->color_trc == AVCOL_TRC_UNSPECIFIED &&
1529 track->enc->colorspace == AVCOL_SPC_UNSPECIFIED) {
1530 if ((track->enc->width >= 1920 && track->enc->height >= 1080)
1531 || (track->enc->width == 1280 && track->enc->height == 720)) {
1532 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming bt709\n");
1533 track->enc->color_primaries = AVCOL_PRI_BT709;
1534 } else if (track->enc->width == 720 && track->height == 576) {
1535 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming bt470bg\n");
1536 track->enc->color_primaries = AVCOL_PRI_BT470BG;
1537 } else if (track->enc->width == 720 &&
1538 (track->height == 486 || track->height == 480)) {
1539 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming smpte170\n");
1540 track->enc->color_primaries = AVCOL_PRI_SMPTE170M;
1542 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, unable to assume anything\n");
1544 switch (track->enc->color_primaries) {
1545 case AVCOL_PRI_BT709:
1546 track->enc->color_trc = AVCOL_TRC_BT709;
1547 track->enc->colorspace = AVCOL_SPC_BT709;
1549 case AVCOL_PRI_SMPTE170M:
1550 case AVCOL_PRI_BT470BG:
1551 track->enc->color_trc = AVCOL_TRC_BT709;
1552 track->enc->colorspace = AVCOL_SPC_SMPTE170M;
1557 /* We should only ever be called by MOV or MP4. */
1558 av_assert0(track->mode == MODE_MOV || track->mode == MODE_MP4);
1560 avio_wb32(pb, 18 + (track->mode == MODE_MP4));
1561 ffio_wfourcc(pb, "colr");
1562 if (track->mode == MODE_MP4)
1563 ffio_wfourcc(pb, "nclx");
1565 ffio_wfourcc(pb, "nclc");
1566 switch (track->enc->color_primaries) {
1567 case AVCOL_PRI_BT709: avio_wb16(pb, 1); break;
1568 case AVCOL_PRI_SMPTE170M:
1569 case AVCOL_PRI_SMPTE240M: avio_wb16(pb, 6); break;
1570 case AVCOL_PRI_BT470BG: avio_wb16(pb, 5); break;
1571 default: avio_wb16(pb, 2);
1573 switch (track->enc->color_trc) {
1574 case AVCOL_TRC_BT709: avio_wb16(pb, 1); break;
1575 case AVCOL_TRC_SMPTE170M: avio_wb16(pb, 1); break; // remapped
1576 case AVCOL_TRC_SMPTE240M: avio_wb16(pb, 7); break;
1577 default: avio_wb16(pb, 2);
1579 switch (track->enc->colorspace) {
1580 case AVCOL_TRC_BT709: avio_wb16(pb, 1); break;
1581 case AVCOL_PRI_SMPTE170M: avio_wb16(pb, 6); break;
1582 case AVCOL_PRI_SMPTE240M: avio_wb16(pb, 7); break;
1583 default: avio_wb16(pb, 2);
1586 if (track->mode == MODE_MP4) {
1587 int full_range = track->enc->color_range == AVCOL_RANGE_JPEG;
1588 avio_w8(pb, full_range << 7);
1595 static void find_compressor(char * compressor_name, int len, MOVTrack *track)
1597 AVDictionaryEntry *encoder;
1598 int xdcam_res = (track->enc->width == 1280 && track->enc->height == 720)
1599 || (track->enc->width == 1440 && track->enc->height == 1080)
1600 || (track->enc->width == 1920 && track->enc->height == 1080);
1602 if (track->mode == MODE_MOV &&
1603 (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0))) {
1604 av_strlcpy(compressor_name, encoder->value, 32);
1605 } else if (track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) {
1606 int interlaced = track->enc->field_order > AV_FIELD_PROGRESSIVE;
1607 AVStream *st = track->st;
1608 int rate = av_q2d(find_fps(NULL, st));
1609 av_strlcatf(compressor_name, len, "XDCAM");
1610 if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) {
1611 av_strlcatf(compressor_name, len, " HD422");
1612 } else if(track->enc->width == 1440) {
1613 av_strlcatf(compressor_name, len, " HD");
1615 av_strlcatf(compressor_name, len, " EX");
1617 av_strlcatf(compressor_name, len, " %d%c", track->enc->height, interlaced ? 'i' : 'p');
1619 av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1));
1623 static int mov_write_video_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1625 int64_t pos = avio_tell(pb);
1626 char compressor_name[32] = { 0 };
1629 avio_wb32(pb, 0); /* size */
1630 avio_wl32(pb, track->tag); // store it byteswapped
1631 avio_wb32(pb, 0); /* Reserved */
1632 avio_wb16(pb, 0); /* Reserved */
1633 avio_wb16(pb, 1); /* Data-reference index */
1635 avio_wb16(pb, 0); /* Codec stream version */
1636 avio_wb16(pb, 0); /* Codec stream revision (=0) */
1637 if (track->mode == MODE_MOV) {
1638 ffio_wfourcc(pb, "FFMP"); /* Vendor */
1639 if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO) {
1640 avio_wb32(pb, 0); /* Temporal Quality */
1641 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1643 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1644 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1647 avio_wb32(pb, 0); /* Reserved */
1648 avio_wb32(pb, 0); /* Reserved */
1649 avio_wb32(pb, 0); /* Reserved */
1651 avio_wb16(pb, track->enc->width); /* Video width */
1652 avio_wb16(pb, track->height); /* Video height */
1653 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1654 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1655 avio_wb32(pb, 0); /* Data size (= 0) */
1656 avio_wb16(pb, 1); /* Frame count (= 1) */
1658 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1659 find_compressor(compressor_name, 32, track);
1660 avio_w8(pb, strlen(compressor_name));
1661 avio_write(pb, compressor_name, 31);
1663 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
1664 avio_wb16(pb, track->enc->bits_per_coded_sample);
1666 avio_wb16(pb, 0x18); /* Reserved */
1667 avio_wb16(pb, 0xffff); /* Reserved */
1668 if (track->tag == MKTAG('m','p','4','v'))
1669 mov_write_esds_tag(pb, track);
1670 else if (track->enc->codec_id == AV_CODEC_ID_H263)
1671 mov_write_d263_tag(pb);
1672 else if (track->enc->codec_id == AV_CODEC_ID_AVUI ||
1673 track->enc->codec_id == AV_CODEC_ID_SVQ3) {
1674 mov_write_extradata_tag(pb, track);
1676 } else if (track->enc->codec_id == AV_CODEC_ID_DNXHD) {
1677 mov_write_avid_tag(pb, track);
1679 } else if (track->enc->codec_id == AV_CODEC_ID_HEVC)
1680 mov_write_hvcc_tag(pb, track);
1681 else if (track->enc->codec_id == AV_CODEC_ID_H264 && !TAG_IS_AVCI(track->tag)) {
1682 mov_write_avcc_tag(pb, track);
1683 if (track->mode == MODE_IPOD)
1684 mov_write_uuid_tag_ipod(pb);
1685 } else if (track->enc->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
1686 mov_write_dvc1_tag(pb, track);
1687 else if (track->enc->codec_id == AV_CODEC_ID_VP6F ||
1688 track->enc->codec_id == AV_CODEC_ID_VP6A) {
1689 /* Don't write any potential extradata here - the cropping
1690 * is signalled via the normal width/height fields. */
1691 } else if (track->enc->codec_id == AV_CODEC_ID_R10K) {
1692 if (track->enc->codec_tag == MKTAG('R','1','0','k'))
1693 mov_write_dpxe_tag(pb, track);
1694 } else if (track->vos_len > 0)
1695 mov_write_glbl_tag(pb, track);
1697 if (track->enc->codec_id != AV_CODEC_ID_H264 &&
1698 track->enc->codec_id != AV_CODEC_ID_MPEG4 &&
1699 track->enc->codec_id != AV_CODEC_ID_DNXHD)
1700 if (track->enc->field_order != AV_FIELD_UNKNOWN)
1701 mov_write_fiel_tag(pb, track);
1703 if (mov->flags & FF_MOV_FLAG_WRITE_COLR) {
1704 if (track->mode == MODE_MOV || track->mode == MODE_MP4)
1705 mov_write_colr_tag(pb, track);
1707 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'colr' atom. Format is not MOV or MP4.\n");
1710 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
1711 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
1712 mov_write_pasp_tag(pb, track);
1715 /* extra padding for avid stsd */
1716 /* https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/QTFFChap2/qtff2.html#//apple_ref/doc/uid/TP40000939-CH204-61112 */
1720 return update_size(pb, pos);
1723 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1725 int64_t pos = avio_tell(pb);
1726 avio_wb32(pb, 0); /* size */
1727 ffio_wfourcc(pb, "rtp ");
1728 avio_wb32(pb, 0); /* Reserved */
1729 avio_wb16(pb, 0); /* Reserved */
1730 avio_wb16(pb, 1); /* Data-reference index */
1732 avio_wb16(pb, 1); /* Hint track version */
1733 avio_wb16(pb, 1); /* Highest compatible version */
1734 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1736 avio_wb32(pb, 12); /* size */
1737 ffio_wfourcc(pb, "tims");
1738 avio_wb32(pb, track->timescale);
1740 return update_size(pb, pos);
1743 static int mov_write_source_reference_tag(AVIOContext *pb, MOVTrack *track, const char *reel_name)
1745 uint64_t str_size =strlen(reel_name);
1746 int64_t pos = avio_tell(pb);
1748 if (str_size >= UINT16_MAX){
1749 av_log(NULL, AV_LOG_ERROR, "reel_name length %"PRIu64" is too large\n", str_size);
1751 return AVERROR(EINVAL);
1754 avio_wb32(pb, 0); /* size */
1755 ffio_wfourcc(pb, "name"); /* Data format */
1756 avio_wb16(pb, str_size); /* string size */
1757 avio_wb16(pb, track->language); /* langcode */
1758 avio_write(pb, reel_name, str_size); /* reel name */
1759 return update_size(pb,pos);
1762 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
1764 int64_t pos = avio_tell(pb);
1766 int frame_duration = av_rescale(track->timescale, track->enc->time_base.num, track->enc->time_base.den);
1767 int nb_frames = 1.0/av_q2d(track->enc->time_base) + 0.5;
1768 AVDictionaryEntry *t = NULL;
1770 if (nb_frames > 255) {
1771 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
1772 return AVERROR(EINVAL);
1775 avio_wb32(pb, 0); /* size */
1776 ffio_wfourcc(pb, "tmcd"); /* Data format */
1777 avio_wb32(pb, 0); /* Reserved */
1778 avio_wb32(pb, 1); /* Data reference index */
1779 avio_wb32(pb, 0); /* Flags */
1780 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
1781 avio_wb32(pb, track->timescale); /* Timescale */
1782 avio_wb32(pb, frame_duration); /* Frame duration */
1783 avio_w8(pb, nb_frames); /* Number of frames */
1784 avio_w8(pb, 0); /* Reserved */
1787 t = av_dict_get(track->st->metadata, "reel_name", NULL, 0);
1789 if (t && utf8len(t->value))
1790 mov_write_source_reference_tag(pb, track, t->value);
1792 avio_wb16(pb, 0); /* zero size */
1795 avio_wb32(pb, 0); /* size */
1796 ffio_wfourcc(pb, "tmcd"); /* Data format */
1797 avio_wb32(pb, 0); /* Reserved */
1798 avio_wb32(pb, 1); /* Data reference index */
1799 if (track->enc->extradata_size)
1800 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1802 return update_size(pb, pos);
1805 static int mov_write_stsd_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1807 int64_t pos = avio_tell(pb);
1808 avio_wb32(pb, 0); /* size */
1809 ffio_wfourcc(pb, "stsd");
1810 avio_wb32(pb, 0); /* version & flags */
1811 avio_wb32(pb, 1); /* entry count */
1812 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1813 mov_write_video_tag(pb, mov, track);
1814 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1815 mov_write_audio_tag(pb, track);
1816 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1817 mov_write_subtitle_tag(pb, track);
1818 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
1819 mov_write_rtp_tag(pb, track);
1820 else if (track->enc->codec_tag == MKTAG('t','m','c','d'))
1821 mov_write_tmcd_tag(pb, track);
1822 return update_size(pb, pos);
1825 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1827 MOVStts *ctts_entries;
1828 uint32_t entries = 0;
1832 ctts_entries = av_malloc_array((track->entry + 1), sizeof(*ctts_entries)); /* worst case */
1834 return AVERROR(ENOMEM);
1835 ctts_entries[0].count = 1;
1836 ctts_entries[0].duration = track->cluster[0].cts;
1837 for (i = 1; i < track->entry; i++) {
1838 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1839 ctts_entries[entries].count++; /* compress */
1842 ctts_entries[entries].duration = track->cluster[i].cts;
1843 ctts_entries[entries].count = 1;
1846 entries++; /* last one */
1847 atom_size = 16 + (entries * 8);
1848 avio_wb32(pb, atom_size); /* size */
1849 ffio_wfourcc(pb, "ctts");
1850 avio_wb32(pb, 0); /* version & flags */
1851 avio_wb32(pb, entries); /* entry count */
1852 for (i = 0; i < entries; i++) {
1853 avio_wb32(pb, ctts_entries[i].count);
1854 avio_wb32(pb, ctts_entries[i].duration);
1856 av_free(ctts_entries);
1860 /* Time to sample atom */
1861 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1863 MOVStts *stts_entries;
1864 uint32_t entries = -1;
1868 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
1869 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
1871 return AVERROR(ENOMEM);
1872 stts_entries[0].count = track->sample_count;
1873 stts_entries[0].duration = 1;
1876 stts_entries = track->entry ?
1877 av_malloc_array(track->entry, sizeof(*stts_entries)) : /* worst case */
1879 if (track->entry && !stts_entries)
1880 return AVERROR(ENOMEM);
1881 for (i = 0; i < track->entry; i++) {
1882 int duration = get_cluster_duration(track, i);
1883 if (i && duration == stts_entries[entries].duration) {
1884 stts_entries[entries].count++; /* compress */
1887 stts_entries[entries].duration = duration;
1888 stts_entries[entries].count = 1;
1891 entries++; /* last one */
1893 atom_size = 16 + (entries * 8);
1894 avio_wb32(pb, atom_size); /* size */
1895 ffio_wfourcc(pb, "stts");
1896 avio_wb32(pb, 0); /* version & flags */
1897 avio_wb32(pb, entries); /* entry count */
1898 for (i = 0; i < entries; i++) {
1899 avio_wb32(pb, stts_entries[i].count);
1900 avio_wb32(pb, stts_entries[i].duration);
1902 av_free(stts_entries);
1906 static int mov_write_dref_tag(AVIOContext *pb)
1908 avio_wb32(pb, 28); /* size */
1909 ffio_wfourcc(pb, "dref");
1910 avio_wb32(pb, 0); /* version & flags */
1911 avio_wb32(pb, 1); /* entry count */
1913 avio_wb32(pb, 0xc); /* size */
1914 //FIXME add the alis and rsrc atom
1915 ffio_wfourcc(pb, "url ");
1916 avio_wb32(pb, 1); /* version & flags */
1921 static int mov_write_stbl_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1923 int64_t pos = avio_tell(pb);
1926 avio_wb32(pb, 0); /* size */
1927 ffio_wfourcc(pb, "stbl");
1928 mov_write_stsd_tag(pb, mov, track);
1929 mov_write_stts_tag(pb, track);
1930 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1931 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1932 track->has_keyframes && track->has_keyframes < track->entry)
1933 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1934 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1935 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1936 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1937 track->flags & MOV_TRACK_CTTS && track->entry) {
1939 if ((ret = mov_write_ctts_tag(pb, track)) < 0)
1942 mov_write_stsc_tag(pb, track);
1943 mov_write_stsz_tag(pb, track);
1944 mov_write_stco_tag(pb, track);
1945 return update_size(pb, pos);
1948 static int mov_write_dinf_tag(AVIOContext *pb)
1950 int64_t pos = avio_tell(pb);
1951 avio_wb32(pb, 0); /* size */
1952 ffio_wfourcc(pb, "dinf");
1953 mov_write_dref_tag(pb);
1954 return update_size(pb, pos);
1957 static int mov_write_nmhd_tag(AVIOContext *pb)
1960 ffio_wfourcc(pb, "nmhd");
1965 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
1967 int64_t pos = avio_tell(pb);
1968 const char *font = "Lucida Grande";
1969 avio_wb32(pb, 0); /* size */
1970 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
1971 avio_wb32(pb, 0); /* version & flags */
1972 avio_wb16(pb, 0); /* text font */
1973 avio_wb16(pb, 0); /* text face */
1974 avio_wb16(pb, 12); /* text size */
1975 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
1976 avio_wb16(pb, 0x0000); /* text color (red) */
1977 avio_wb16(pb, 0x0000); /* text color (green) */
1978 avio_wb16(pb, 0x0000); /* text color (blue) */
1979 avio_wb16(pb, 0xffff); /* background color (red) */
1980 avio_wb16(pb, 0xffff); /* background color (green) */
1981 avio_wb16(pb, 0xffff); /* background color (blue) */
1982 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
1983 avio_write(pb, font, strlen(font)); /* font name */
1984 return update_size(pb, pos);
1987 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
1989 int64_t pos = avio_tell(pb);
1990 avio_wb32(pb, 0); /* size */
1991 ffio_wfourcc(pb, "gmhd");
1992 avio_wb32(pb, 0x18); /* gmin size */
1993 ffio_wfourcc(pb, "gmin");/* generic media info */
1994 avio_wb32(pb, 0); /* version & flags */
1995 avio_wb16(pb, 0x40); /* graphics mode = */
1996 avio_wb16(pb, 0x8000); /* opColor (r?) */
1997 avio_wb16(pb, 0x8000); /* opColor (g?) */
1998 avio_wb16(pb, 0x8000); /* opColor (b?) */
1999 avio_wb16(pb, 0); /* balance */
2000 avio_wb16(pb, 0); /* reserved */
2003 * This special text atom is required for
2004 * Apple Quicktime chapters. The contents
2005 * don't appear to be documented, so the
2006 * bytes are copied verbatim.
2008 if (track->tag != MKTAG('c','6','0','8')) {
2009 avio_wb32(pb, 0x2C); /* size */
2010 ffio_wfourcc(pb, "text");
2011 avio_wb16(pb, 0x01);
2012 avio_wb32(pb, 0x00);
2013 avio_wb32(pb, 0x00);
2014 avio_wb32(pb, 0x00);
2015 avio_wb32(pb, 0x01);
2016 avio_wb32(pb, 0x00);
2017 avio_wb32(pb, 0x00);
2018 avio_wb32(pb, 0x00);
2019 avio_wb32(pb, 0x00004000);
2020 avio_wb16(pb, 0x0000);
2023 if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
2024 int64_t tmcd_pos = avio_tell(pb);
2025 avio_wb32(pb, 0); /* size */
2026 ffio_wfourcc(pb, "tmcd");
2027 mov_write_tcmi_tag(pb, track);
2028 update_size(pb, tmcd_pos);
2030 return update_size(pb, pos);
2033 static int mov_write_smhd_tag(AVIOContext *pb)
2035 avio_wb32(pb, 16); /* size */
2036 ffio_wfourcc(pb, "smhd");
2037 avio_wb32(pb, 0); /* version & flags */
2038 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
2039 avio_wb16(pb, 0); /* reserved */
2043 static int mov_write_vmhd_tag(AVIOContext *pb)
2045 avio_wb32(pb, 0x14); /* size (always 0x14) */
2046 ffio_wfourcc(pb, "vmhd");
2047 avio_wb32(pb, 0x01); /* version & flags */
2048 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
2052 static int is_clcp_track(MOVTrack *track)
2054 return track->tag == MKTAG('c','7','0','8') ||
2055 track->tag == MKTAG('c','6','0','8');
2058 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
2060 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
2061 int64_t pos = avio_tell(pb);
2065 descr = "DataHandler";
2068 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
2069 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2071 descr = "VideoHandler";
2072 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
2074 descr = "SoundHandler";
2075 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2076 if (is_clcp_track(track)) {
2078 descr = "ClosedCaptionHandler";
2080 if (track->tag == MKTAG('t','x','3','g')) {
2082 } else if (track->tag == MKTAG('m','p','4','s')) {
2087 descr = "SubtitleHandler";
2089 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
2091 descr = "HintHandler";
2092 } else if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
2094 descr = "TimeCodeHandler";
2097 av_get_codec_tag_string(tag_buf, sizeof(tag_buf),
2098 track->enc->codec_tag);
2100 av_log(track->enc, AV_LOG_WARNING,
2101 "Unknown hldr_type for %s / 0x%04X, writing dummy values\n",
2102 tag_buf, track->enc->codec_tag);
2105 // hdlr.name is used by some players to identify the content title
2106 // of the track. So if an alternate handler description is
2107 // specified, use it.
2108 AVDictionaryEntry *t;
2109 t = av_dict_get(track->st->metadata, "handler", NULL, 0);
2110 if (t && utf8len(t->value))
2115 avio_wb32(pb, 0); /* size */
2116 ffio_wfourcc(pb, "hdlr");
2117 avio_wb32(pb, 0); /* Version & flags */
2118 avio_write(pb, hdlr, 4); /* handler */
2119 ffio_wfourcc(pb, hdlr_type); /* handler type */
2120 avio_wb32(pb, 0); /* reserved */
2121 avio_wb32(pb, 0); /* reserved */
2122 avio_wb32(pb, 0); /* reserved */
2123 if (!track || track->mode == MODE_MOV)
2124 avio_w8(pb, strlen(descr)); /* pascal string */
2125 avio_write(pb, descr, strlen(descr)); /* handler description */
2126 if (track && track->mode != MODE_MOV)
2127 avio_w8(pb, 0); /* c string */
2128 return update_size(pb, pos);
2131 static int mov_write_hmhd_tag(AVIOContext *pb)
2133 /* This atom must be present, but leaving the values at zero
2134 * seems harmless. */
2135 avio_wb32(pb, 28); /* size */
2136 ffio_wfourcc(pb, "hmhd");
2137 avio_wb32(pb, 0); /* version, flags */
2138 avio_wb16(pb, 0); /* maxPDUsize */
2139 avio_wb16(pb, 0); /* avgPDUsize */
2140 avio_wb32(pb, 0); /* maxbitrate */
2141 avio_wb32(pb, 0); /* avgbitrate */
2142 avio_wb32(pb, 0); /* reserved */
2146 static int mov_write_minf_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2148 int64_t pos = avio_tell(pb);
2151 avio_wb32(pb, 0); /* size */
2152 ffio_wfourcc(pb, "minf");
2153 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
2154 mov_write_vmhd_tag(pb);
2155 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
2156 mov_write_smhd_tag(pb);
2157 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2158 if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
2159 mov_write_gmhd_tag(pb, track);
2161 mov_write_nmhd_tag(pb);
2163 } else if (track->tag == MKTAG('r','t','p',' ')) {
2164 mov_write_hmhd_tag(pb);
2165 } else if (track->tag == MKTAG('t','m','c','d')) {
2166 mov_write_gmhd_tag(pb, track);
2168 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
2169 mov_write_hdlr_tag(pb, NULL);
2170 mov_write_dinf_tag(pb);
2171 if ((ret = mov_write_stbl_tag(pb, mov, track)) < 0)
2173 return update_size(pb, pos);
2176 static int mov_write_mdhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2179 int version = track->track_duration < INT32_MAX ? 0 : 1;
2181 if (track->mode == MODE_ISM)
2184 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
2185 ffio_wfourcc(pb, "mdhd");
2186 avio_w8(pb, version);
2187 avio_wb24(pb, 0); /* flags */
2189 avio_wb64(pb, track->time);
2190 avio_wb64(pb, track->time);
2192 avio_wb32(pb, track->time); /* creation time */
2193 avio_wb32(pb, track->time); /* modification time */
2195 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
2196 if (!track->entry && mov->mode == MODE_ISM)
2197 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2198 else if (!track->entry)
2199 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2201 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
2202 avio_wb16(pb, track->language); /* language */
2203 avio_wb16(pb, 0); /* reserved (quality) */
2205 if (version != 0 && track->mode == MODE_MOV) {
2206 av_log(NULL, AV_LOG_ERROR,
2207 "FATAL error, file duration too long for timebase, this file will not be\n"
2208 "playable with quicktime. Choose a different timebase or a different\n"
2209 "container format\n");
2215 static int mov_write_mdia_tag(AVIOContext *pb, MOVMuxContext *mov,
2218 int64_t pos = avio_tell(pb);
2221 avio_wb32(pb, 0); /* size */
2222 ffio_wfourcc(pb, "mdia");
2223 mov_write_mdhd_tag(pb, mov, track);
2224 mov_write_hdlr_tag(pb, track);
2225 if ((ret = mov_write_minf_tag(pb, mov, track)) < 0)
2227 return update_size(pb, pos);
2230 /* transformation matrix
2234 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
2235 int16_t d, int16_t tx, int16_t ty)
2237 avio_wb32(pb, a << 16); /* 16.16 format */
2238 avio_wb32(pb, b << 16); /* 16.16 format */
2239 avio_wb32(pb, 0); /* u in 2.30 format */
2240 avio_wb32(pb, c << 16); /* 16.16 format */
2241 avio_wb32(pb, d << 16); /* 16.16 format */
2242 avio_wb32(pb, 0); /* v in 2.30 format */
2243 avio_wb32(pb, tx << 16); /* 16.16 format */
2244 avio_wb32(pb, ty << 16); /* 16.16 format */
2245 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
2248 static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2249 MOVTrack *track, AVStream *st)
2251 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
2252 track->timescale, AV_ROUND_UP);
2253 int version = duration < INT32_MAX ? 0 : 1;
2254 int flags = MOV_TKHD_FLAG_IN_MOVIE;
2260 if (mov->per_stream_grouping)
2263 group = st->codec->codec_type;
2266 if (track->flags & MOV_TRACK_ENABLED)
2267 flags |= MOV_TKHD_FLAG_ENABLED;
2269 if (track->mode == MODE_ISM)
2272 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
2273 ffio_wfourcc(pb, "tkhd");
2274 avio_w8(pb, version);
2275 avio_wb24(pb, flags);
2277 avio_wb64(pb, track->time);
2278 avio_wb64(pb, track->time);
2280 avio_wb32(pb, track->time); /* creation time */
2281 avio_wb32(pb, track->time); /* modification time */
2283 avio_wb32(pb, track->track_id); /* track-id */
2284 avio_wb32(pb, 0); /* reserved */
2285 if (!track->entry && mov->mode == MODE_ISM)
2286 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2287 else if (!track->entry)
2288 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2290 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
2292 avio_wb32(pb, 0); /* reserved */
2293 avio_wb32(pb, 0); /* reserved */
2294 avio_wb16(pb, 0); /* layer */
2295 avio_wb16(pb, group); /* alternate group) */
2296 /* Volume, only for audio */
2297 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
2298 avio_wb16(pb, 0x0100);
2301 avio_wb16(pb, 0); /* reserved */
2303 /* Matrix structure */
2304 if (st && st->metadata) {
2305 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
2306 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
2308 if (rotation == 90) {
2309 write_matrix(pb, 0, 1, -1, 0, track->enc->height, 0);
2310 } else if (rotation == 180) {
2311 write_matrix(pb, -1, 0, 0, -1, track->enc->width, track->enc->height);
2312 } else if (rotation == 270) {
2313 write_matrix(pb, 0, -1, 1, 0, 0, track->enc->width);
2315 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2317 /* Track width and height, for visual only */
2318 if (st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
2319 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
2320 if (track->mode == MODE_MOV) {
2321 avio_wb32(pb, track->enc->width << 16);
2322 avio_wb32(pb, track->height << 16);
2324 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
2325 if (!sample_aspect_ratio || track->height != track->enc->height)
2326 sample_aspect_ratio = 1;
2327 avio_wb32(pb, sample_aspect_ratio * track->enc->width * 0x10000);
2328 avio_wb32(pb, track->height * 0x10000);
2337 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
2339 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
2340 track->enc->sample_aspect_ratio.den);
2342 int64_t pos = avio_tell(pb);
2344 avio_wb32(pb, 0); /* size */
2345 ffio_wfourcc(pb, "tapt");
2348 ffio_wfourcc(pb, "clef");
2350 avio_wb32(pb, width << 16);
2351 avio_wb32(pb, track->enc->height << 16);
2354 ffio_wfourcc(pb, "prof");
2356 avio_wb32(pb, width << 16);
2357 avio_wb32(pb, track->enc->height << 16);
2360 ffio_wfourcc(pb, "enof");
2362 avio_wb32(pb, track->enc->width << 16);
2363 avio_wb32(pb, track->enc->height << 16);
2365 return update_size(pb, pos);
2368 // This box seems important for the psp playback ... without it the movie seems to hang
2369 static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov,
2372 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
2373 track->timescale, AV_ROUND_UP);
2374 int version = duration < INT32_MAX ? 0 : 1;
2375 int entry_size, entry_count, size;
2376 int64_t delay, start_ct = track->start_cts;
2377 int64_t start_dts = track->start_dts;
2380 if (start_dts != track->cluster[0].dts || start_ct != track->cluster[0].cts) {
2382 av_log(mov->fc, AV_LOG_DEBUG,
2383 "EDTS using dts:%"PRId64" cts:%d instead of dts:%"PRId64" cts:%"PRId64" tid:%d\n",
2384 track->cluster[0].dts, track->cluster[0].cts,
2385 start_dts, start_ct, track->track_id);
2386 start_dts = track->cluster[0].dts;
2387 start_ct = track->cluster[0].cts;
2391 delay = av_rescale_rnd(start_dts + start_ct, MOV_TIMESCALE,
2392 track->timescale, AV_ROUND_DOWN);
2393 version |= delay < INT32_MAX ? 0 : 1;
2395 entry_size = (version == 1) ? 20 : 12;
2396 entry_count = 1 + (delay > 0);
2397 size = 24 + entry_count * entry_size;
2399 /* write the atom data */
2400 avio_wb32(pb, size);
2401 ffio_wfourcc(pb, "edts");
2402 avio_wb32(pb, size - 8);
2403 ffio_wfourcc(pb, "elst");
2404 avio_w8(pb, version);
2405 avio_wb24(pb, 0); /* flags */
2407 avio_wb32(pb, entry_count);
2408 if (delay > 0) { /* add an empty edit to delay presentation */
2409 /* In the positive delay case, the delay includes the cts
2410 * offset, and the second edit list entry below trims out
2411 * the same amount from the actual content. This makes sure
2412 * that the offsetted last sample is included in the edit
2413 * list duration as well. */
2415 avio_wb64(pb, delay);
2418 avio_wb32(pb, delay);
2421 avio_wb32(pb, 0x00010000);
2423 /* Avoid accidentally ending up with start_ct = -1 which has got a
2424 * special meaning. Normally start_ct should end up positive or zero
2425 * here, but use FFMIN in case dts is a a small positive integer
2426 * rounded to 0 when represented in MOV_TIMESCALE units. */
2427 av_assert0(av_rescale_rnd(start_dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
2428 start_ct = -FFMIN(start_dts, 0);
2429 /* Note, this delay is calculated from the pts of the first sample,
2430 * ensuring that we don't reduce the duration for cases with
2435 /* For fragmented files, we don't know the full length yet. Setting
2436 * duration to 0 allows us to only specify the offset, including
2437 * the rest of the content (from all future fragments) without specifying
2438 * an explicit duration. */
2439 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2444 avio_wb64(pb, duration);
2445 avio_wb64(pb, start_ct);
2447 avio_wb32(pb, duration);
2448 avio_wb32(pb, start_ct);
2450 avio_wb32(pb, 0x00010000);
2454 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
2456 avio_wb32(pb, 20); // size
2457 ffio_wfourcc(pb, "tref");
2458 avio_wb32(pb, 12); // size (subatom)
2459 avio_wl32(pb, track->tref_tag);
2460 avio_wb32(pb, track->tref_id);
2464 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
2465 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
2467 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
2468 ffio_wfourcc(pb, "uuid");
2469 ffio_wfourcc(pb, "USMT");
2470 avio_wb32(pb, 0x21d24fce);
2471 avio_wb32(pb, 0xbb88695c);
2472 avio_wb32(pb, 0xfac9c740);
2473 avio_wb32(pb, 0x1c); // another size here!
2474 ffio_wfourcc(pb, "MTDT");
2475 avio_wb32(pb, 0x00010012);
2476 avio_wb32(pb, 0x0a);
2477 avio_wb32(pb, 0x55c40000);
2483 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
2485 AVFormatContext *ctx = track->rtp_ctx;
2486 char buf[1000] = "";
2489 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
2490 NULL, NULL, 0, 0, ctx);
2491 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
2494 avio_wb32(pb, len + 24);
2495 ffio_wfourcc(pb, "udta");
2496 avio_wb32(pb, len + 16);
2497 ffio_wfourcc(pb, "hnti");
2498 avio_wb32(pb, len + 8);
2499 ffio_wfourcc(pb, "sdp ");
2500 avio_write(pb, buf, len);
2504 static int mov_write_track_metadata(AVIOContext *pb, AVStream *st,
2505 const char *tag, const char *str)
2507 int64_t pos = avio_tell(pb);
2508 AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
2509 if (!t || !utf8len(t->value))
2512 avio_wb32(pb, 0); /* size */
2513 ffio_wfourcc(pb, tag); /* type */
2514 avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
2515 return update_size(pb, pos);
2518 static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
2521 AVIOContext *pb_buf;
2525 if (!st || mov->fc->flags & AVFMT_FLAG_BITEXACT)
2528 ret = avio_open_dyn_buf(&pb_buf);
2532 if (mov->mode & MODE_MP4)
2533 mov_write_track_metadata(pb_buf, st, "name", "title");
2535 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2536 avio_wb32(pb, size + 8);
2537 ffio_wfourcc(pb, "udta");
2538 avio_write(pb, buf, size);
2545 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
2546 MOVTrack *track, AVStream *st)
2548 int64_t pos = avio_tell(pb);
2549 int entry_backup = track->entry;
2550 int chunk_backup = track->chunkCount;
2553 /* If we want to have an empty moov, but some samples already have been
2554 * buffered (delay_moov), pretend that no samples have been written yet. */
2555 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV)
2556 track->chunkCount = track->entry = 0;
2558 avio_wb32(pb, 0); /* size */
2559 ffio_wfourcc(pb, "trak");
2560 mov_write_tkhd_tag(pb, mov, track, st);
2562 av_assert2(mov->use_editlist >= 0);
2564 if (track->start_dts != AV_NOPTS_VALUE) {
2565 if (mov->use_editlist)
2566 mov_write_edts_tag(pb, mov, track); // PSP Movies and several other cases require edts box
2567 else if ((track->entry && track->cluster[0].dts) || track->mode == MODE_PSP || is_clcp_track(track))
2568 av_log(mov->fc, AV_LOG_WARNING,
2569 "Not writing any edit list even though one would have been required\n");
2572 if (track->tref_tag)
2573 mov_write_tref_tag(pb, track);
2575 if ((ret = mov_write_mdia_tag(pb, mov, track)) < 0)
2577 if (track->mode == MODE_PSP)
2578 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
2579 if (track->tag == MKTAG('r','t','p',' '))
2580 mov_write_udta_sdp(pb, track);
2581 if (track->mode == MODE_MOV) {
2582 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2583 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
2584 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio) {
2585 mov_write_tapt_tag(pb, track);
2588 if (is_clcp_track(track) && st->sample_aspect_ratio.num) {
2589 mov_write_tapt_tag(pb, track);
2592 mov_write_track_udta_tag(pb, mov, st);
2593 track->entry = entry_backup;
2594 track->chunkCount = chunk_backup;
2595 return update_size(pb, pos);
2598 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
2600 int i, has_audio = 0, has_video = 0;
2601 int64_t pos = avio_tell(pb);
2602 int audio_profile = mov->iods_audio_profile;
2603 int video_profile = mov->iods_video_profile;
2604 for (i = 0; i < mov->nb_streams; i++) {
2605 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
2606 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
2607 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
2610 if (audio_profile < 0)
2611 audio_profile = 0xFF - has_audio;
2612 if (video_profile < 0)
2613 video_profile = 0xFF - has_video;
2614 avio_wb32(pb, 0x0); /* size */
2615 ffio_wfourcc(pb, "iods");
2616 avio_wb32(pb, 0); /* version & flags */
2617 put_descr(pb, 0x10, 7);
2618 avio_wb16(pb, 0x004f);
2621 avio_w8(pb, audio_profile);
2622 avio_w8(pb, video_profile);
2624 return update_size(pb, pos);
2627 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
2629 avio_wb32(pb, 0x20); /* size */
2630 ffio_wfourcc(pb, "trex");
2631 avio_wb32(pb, 0); /* version & flags */
2632 avio_wb32(pb, track->track_id); /* track ID */
2633 avio_wb32(pb, 1); /* default sample description index */
2634 avio_wb32(pb, 0); /* default sample duration */
2635 avio_wb32(pb, 0); /* default sample size */
2636 avio_wb32(pb, 0); /* default sample flags */
2640 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
2642 int64_t pos = avio_tell(pb);
2644 avio_wb32(pb, 0x0); /* size */
2645 ffio_wfourcc(pb, "mvex");
2646 for (i = 0; i < mov->nb_streams; i++)
2647 mov_write_trex_tag(pb, &mov->tracks[i]);
2648 return update_size(pb, pos);
2651 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2653 int max_track_id = 1, i;
2654 int64_t max_track_len = 0;
2657 for (i = 0; i < mov->nb_streams; i++) {
2658 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
2659 int64_t max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
2661 mov->tracks[i].timescale,
2663 if (max_track_len < max_track_len_temp)
2664 max_track_len = max_track_len_temp;
2665 if (max_track_id < mov->tracks[i].track_id)
2666 max_track_id = mov->tracks[i].track_id;
2669 /* If using delay_moov, make sure the output is the same as if no
2670 * samples had been written yet. */
2671 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
2676 version = max_track_len < UINT32_MAX ? 0 : 1;
2677 avio_wb32(pb, version == 1 ? 120 : 108); /* size */
2679 ffio_wfourcc(pb, "mvhd");
2680 avio_w8(pb, version);
2681 avio_wb24(pb, 0); /* flags */
2683 avio_wb64(pb, mov->time);
2684 avio_wb64(pb, mov->time);
2686 avio_wb32(pb, mov->time); /* creation time */
2687 avio_wb32(pb, mov->time); /* modification time */
2689 avio_wb32(pb, MOV_TIMESCALE);
2690 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
2692 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
2693 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
2694 avio_wb16(pb, 0); /* reserved */
2695 avio_wb32(pb, 0); /* reserved */
2696 avio_wb32(pb, 0); /* reserved */
2698 /* Matrix structure */
2699 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2701 avio_wb32(pb, 0); /* reserved (preview time) */
2702 avio_wb32(pb, 0); /* reserved (preview duration) */
2703 avio_wb32(pb, 0); /* reserved (poster time) */
2704 avio_wb32(pb, 0); /* reserved (selection time) */
2705 avio_wb32(pb, 0); /* reserved (selection duration) */
2706 avio_wb32(pb, 0); /* reserved (current time) */
2707 avio_wb32(pb, max_track_id + 1); /* Next track id */
2711 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
2714 avio_wb32(pb, 33); /* size */
2715 ffio_wfourcc(pb, "hdlr");
2718 ffio_wfourcc(pb, "mdir");
2719 ffio_wfourcc(pb, "appl");
2726 /* helper function to write a data tag with the specified string as data */
2727 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
2730 int size = 16 + strlen(data);
2731 avio_wb32(pb, size); /* size */
2732 ffio_wfourcc(pb, "data");
2735 avio_write(pb, data, strlen(data));
2739 lang = ff_mov_iso639_to_lang("und", 1);
2740 avio_wb16(pb, strlen(data)); /* string length */
2741 avio_wb16(pb, lang);
2742 avio_write(pb, data, strlen(data));
2743 return strlen(data) + 4;
2747 static int mov_write_string_tag(AVIOContext *pb, const char *name,
2748 const char *value, int lang, int long_style)
2751 if (value && value[0]) {
2752 int64_t pos = avio_tell(pb);
2753 avio_wb32(pb, 0); /* size */
2754 ffio_wfourcc(pb, name);
2755 mov_write_string_data_tag(pb, value, lang, long_style);
2756 size = update_size(pb, pos);
2761 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
2762 const char *name, const char *tag,
2765 int l, lang = 0, len, len2;
2766 AVDictionaryEntry *t, *t2 = NULL;
2769 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
2772 len = strlen(t->key);
2773 snprintf(tag2, sizeof(tag2), "%s-", tag);
2774 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
2775 len2 = strlen(t2->key);
2776 if (len2 == len + 4 && !strcmp(t->value, t2->value)
2777 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
2782 return mov_write_string_tag(pb, name, t->value, lang, long_style);
2785 /* iTunes bpm number */
2786 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
2788 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
2789 int size = 0, tmpo = t ? atoi(t->value) : 0;
2792 avio_wb32(pb, size);
2793 ffio_wfourcc(pb, "tmpo");
2794 avio_wb32(pb, size-8); /* size */
2795 ffio_wfourcc(pb, "data");
2796 avio_wb32(pb, 0x15); //type specifier
2798 avio_wb16(pb, tmpo); // data
2803 /* iTunes track or disc number */
2804 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
2805 AVFormatContext *s, int disc)
2807 AVDictionaryEntry *t = av_dict_get(s->metadata,
2808 disc ? "disc" : "track",
2810 int size = 0, track = t ? atoi(t->value) : 0;
2813 char *slash = strchr(t->value, '/');
2815 tracks = atoi(slash + 1);
2816 avio_wb32(pb, 32); /* size */
2817 ffio_wfourcc(pb, disc ? "disk" : "trkn");
2818 avio_wb32(pb, 24); /* size */
2819 ffio_wfourcc(pb, "data");
2820 avio_wb32(pb, 0); // 8 bytes empty
2822 avio_wb16(pb, 0); // empty
2823 avio_wb16(pb, track); // track / disc number
2824 avio_wb16(pb, tracks); // total track / disc number
2825 avio_wb16(pb, 0); // empty
2831 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
2832 const char *name, const char *tag,
2835 AVDictionaryEntry *t = NULL;
2837 int size = 24 + len;
2839 if (len != 1 && len != 4)
2842 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
2844 num = atoi(t->value);
2846 avio_wb32(pb, size);
2847 ffio_wfourcc(pb, name);
2848 avio_wb32(pb, size - 8);
2849 ffio_wfourcc(pb, "data");
2850 avio_wb32(pb, 0x15);
2852 if (len==4) avio_wb32(pb, num);
2853 else avio_w8 (pb, num);
2858 /* iTunes meta data list */
2859 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
2862 int64_t pos = avio_tell(pb);
2863 avio_wb32(pb, 0); /* size */
2864 ffio_wfourcc(pb, "ilst");
2865 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
2866 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
2867 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
2868 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
2869 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
2870 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
2872 !mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1))
2873 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
2874 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
2875 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
2876 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
2877 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
2878 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
2879 mov_write_string_metadata(s, pb, "desc", "description",1);
2880 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
2881 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
2882 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
2883 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
2884 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
2885 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
2886 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
2887 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
2888 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
2889 mov_write_int8_metadata (s, pb, "cpil", "compilation", 1);
2890 mov_write_trkn_tag(pb, mov, s, 0); // track number
2891 mov_write_trkn_tag(pb, mov, s, 1); // disc number
2892 mov_write_tmpo_tag(pb, s);
2893 return update_size(pb, pos);
2896 /* iTunes meta data tag */
2897 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
2901 int64_t pos = avio_tell(pb);
2902 avio_wb32(pb, 0); /* size */
2903 ffio_wfourcc(pb, "meta");
2905 mov_write_itunes_hdlr_tag(pb, mov, s);
2906 mov_write_ilst_tag(pb, mov, s);
2907 size = update_size(pb, pos);
2911 static int mov_write_raw_metadata_tag(AVFormatContext *s, AVIOContext *pb,
2912 const char *name, const char *key)
2915 AVDictionaryEntry *t;
2917 if (!(t = av_dict_get(s->metadata, key, NULL, 0)))
2920 len = strlen(t->value);
2923 avio_wb32(pb, size);
2924 ffio_wfourcc(pb, name);
2925 avio_write(pb, t->value, len);
2931 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
2935 GET_UTF8(val, *b++, return -1;)
2938 avio_wb16(pb, 0x00);
2942 static uint16_t language_code(const char *str)
2944 return (((str[0] - 0x60) & 0x1F) << 10) +
2945 (((str[1] - 0x60) & 0x1F) << 5) +
2946 (( str[2] - 0x60) & 0x1F);
2949 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
2950 const char *tag, const char *str)
2952 int64_t pos = avio_tell(pb);
2953 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
2954 if (!t || !utf8len(t->value))
2956 avio_wb32(pb, 0); /* size */
2957 ffio_wfourcc(pb, tag); /* type */
2958 avio_wb32(pb, 0); /* version + flags */
2959 if (!strcmp(tag, "yrrc"))
2960 avio_wb16(pb, atoi(t->value));
2962 avio_wb16(pb, language_code("eng")); /* language */
2963 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
2964 if (!strcmp(tag, "albm") &&
2965 (t = av_dict_get(s->metadata, "track", NULL, 0)))
2966 avio_w8(pb, atoi(t->value));
2968 return update_size(pb, pos);
2971 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
2973 int64_t pos = avio_tell(pb);
2974 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
2976 avio_wb32(pb, 0); // size
2977 ffio_wfourcc(pb, "chpl");
2978 avio_wb32(pb, 0x01000000); // version + flags
2979 avio_wb32(pb, 0); // unknown
2980 avio_w8(pb, nb_chapters);
2982 for (i = 0; i < nb_chapters; i++) {
2983 AVChapter *c = s->chapters[i];
2984 AVDictionaryEntry *t;
2985 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
2987 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
2988 int len = FFMIN(strlen(t->value), 255);
2990 avio_write(pb, t->value, len);
2994 return update_size(pb, pos);
2997 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3000 AVIOContext *pb_buf;
3004 ret = avio_open_dyn_buf(&pb_buf);
3008 if (mov->mode & MODE_3GP) {
3009 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
3010 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
3011 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
3012 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
3013 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
3014 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
3015 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
3016 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
3017 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
3018 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
3019 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
3020 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
3021 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
3022 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
3023 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
3024 // currently ignored by mov.c
3025 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
3026 // add support for libquicktime, this atom is also actually read by mov.c
3027 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
3028 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
3029 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
3030 mov_write_raw_metadata_tag(s, pb_buf, "XMP_", "xmp");
3032 /* iTunes meta data */
3033 mov_write_meta_tag(pb_buf, mov, s);
3036 if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
3037 mov_write_chpl_tag(pb_buf, s);
3039 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
3040 avio_wb32(pb, size + 8);
3041 ffio_wfourcc(pb, "udta");
3042 avio_write(pb, buf, size);
3049 static void mov_write_psp_udta_tag(AVIOContext *pb,
3050 const char *str, const char *lang, int type)
3052 int len = utf8len(str) + 1;
3055 avio_wb16(pb, len * 2 + 10); /* size */
3056 avio_wb32(pb, type); /* type */
3057 avio_wb16(pb, language_code(lang)); /* language */
3058 avio_wb16(pb, 0x01); /* ? */
3059 ascii_to_wc(pb, str);
3062 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
3064 MOVMuxContext *mov = s->priv_data;
3065 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
3069 pos = avio_tell(pb);
3070 avio_wb32(pb, 0); /* size placeholder*/
3071 ffio_wfourcc(pb, "uuid");
3072 ffio_wfourcc(pb, "USMT");
3073 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
3074 avio_wb32(pb, 0xbb88695c);
3075 avio_wb32(pb, 0xfac9c740);
3077 pos2 = avio_tell(pb);
3078 avio_wb32(pb, 0); /* size placeholder*/
3079 ffio_wfourcc(pb, "MTDT");
3083 avio_wb16(pb, 0x0C); /* size */
3084 avio_wb32(pb, 0x0B); /* type */
3085 avio_wb16(pb, language_code("und")); /* language */
3086 avio_wb16(pb, 0x0); /* ? */
3087 avio_wb16(pb, 0x021C); /* data */
3090 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
3091 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
3092 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
3094 update_size(pb, pos2);
3095 return update_size(pb, pos);
3101 static void build_chunks(MOVTrack *trk)
3104 MOVIentry *chunk = &trk->cluster[0];
3105 uint64_t chunkSize = chunk->size;
3106 chunk->chunkNum = 1;
3107 if (trk->chunkCount)
3109 trk->chunkCount = 1;
3110 for (i = 1; i<trk->entry; i++){
3111 if (chunk->pos + chunkSize == trk->cluster[i].pos &&
3112 chunkSize + trk->cluster[i].size < (1<<20)){
3113 chunkSize += trk->cluster[i].size;
3114 chunk->samples_in_chunk += trk->cluster[i].entries;
3116 trk->cluster[i].chunkNum = chunk->chunkNum+1;
3117 chunk=&trk->cluster[i];
3118 chunkSize = chunk->size;
3124 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
3128 int64_t pos = avio_tell(pb);
3129 avio_wb32(pb, 0); /* size placeholder*/
3130 ffio_wfourcc(pb, "moov");
3132 for (i = 0; i < mov->nb_streams; i++) {
3133 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3136 mov->tracks[i].time = mov->time;
3137 mov->tracks[i].track_id = i + 1;
3139 if (mov->tracks[i].entry)
3140 build_chunks(&mov->tracks[i]);
3143 if (mov->chapter_track)
3144 for (i = 0; i < s->nb_streams; i++) {
3145 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
3146 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
3148 for (i = 0; i < mov->nb_streams; i++) {
3149 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
3150 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
3151 mov->tracks[i].tref_id =
3152 mov->tracks[mov->tracks[i].src_track].track_id;
3155 for (i = 0; i < mov->nb_streams; i++) {
3156 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
3157 int src_trk = mov->tracks[i].src_track;
3158 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
3159 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
3160 //src_trk may have a different timescale than the tmcd track
3161 mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration,
3162 mov->tracks[i].timescale,
3163 mov->tracks[src_trk].timescale);
3167 mov_write_mvhd_tag(pb, mov);
3168 if (mov->mode != MODE_MOV && !mov->iods_skip)
3169 mov_write_iods_tag(pb, mov);
3170 for (i = 0; i < mov->nb_streams; i++) {
3171 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
3172 int ret = mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
3177 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
3178 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
3180 if (mov->mode == MODE_PSP)
3181 mov_write_uuidusmt_tag(pb, s);
3183 mov_write_udta_tag(pb, mov, s);
3185 return update_size(pb, pos);
3188 static void param_write_int(AVIOContext *pb, const char *name, int value)
3190 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
3193 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
3195 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
3198 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
3201 len = FFMIN(sizeof(buf) / 2 - 1, len);
3202 ff_data_to_hex(buf, value, len, 0);
3203 buf[2 * len] = '\0';
3204 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
3207 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
3209 int64_t pos = avio_tell(pb);
3211 static const uint8_t uuid[] = {
3212 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
3213 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
3217 ffio_wfourcc(pb, "uuid");
3218 avio_write(pb, uuid, sizeof(uuid));
3221 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
3222 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
3223 avio_printf(pb, "<head>\n");
3225 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
3227 avio_printf(pb, "</head>\n");
3228 avio_printf(pb, "<body>\n");
3229 avio_printf(pb, "<switch>\n");
3230 for (i = 0; i < mov->nb_streams; i++) {
3231 MOVTrack *track = &mov->tracks[i];
3233 /* track->track_id is initialized in write_moov, and thus isn't known
3235 int track_id = i + 1;
3237 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
3239 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
3244 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
3245 track->enc->bit_rate);
3246 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
3247 param_write_int(pb, "trackID", track_id);
3248 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
3249 if (track->enc->codec_id == AV_CODEC_ID_H264) {
3251 int size = track->enc->extradata_size;
3252 if (!ff_avc_write_annexb_extradata(track->enc->extradata, &ptr,
3254 param_write_hex(pb, "CodecPrivateData",
3255 ptr ? ptr : track->enc->extradata,
3259 param_write_string(pb, "FourCC", "H264");
3260 } else if (track->enc->codec_id == AV_CODEC_ID_VC1) {
3261 param_write_string(pb, "FourCC", "WVC1");
3262 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
3263 track->enc->extradata_size);
3265 param_write_int(pb, "MaxWidth", track->enc->width);
3266 param_write_int(pb, "MaxHeight", track->enc->height);
3267 param_write_int(pb, "DisplayWidth", track->enc->width);
3268 param_write_int(pb, "DisplayHeight", track->enc->height);
3270 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
3271 param_write_string(pb, "FourCC", "AACL");
3272 } else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO) {
3273 param_write_string(pb, "FourCC", "WMAP");
3275 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
3276 track->enc->extradata_size);
3277 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
3278 track->enc->codec_id));
3279 param_write_int(pb, "Channels", track->enc->channels);
3280 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
3281 param_write_int(pb, "BitsPerSample", 16);
3282 param_write_int(pb, "PacketSize", track->enc->block_align ?
3283 track->enc->block_align : 4);
3285 avio_printf(pb, "</%s>\n", type);
3287 avio_printf(pb, "</switch>\n");
3288 avio_printf(pb, "</body>\n");
3289 avio_printf(pb, "</smil>\n");
3291 return update_size(pb, pos);
3294 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
3297 ffio_wfourcc(pb, "mfhd");
3299 avio_wb32(pb, mov->fragments);
3303 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
3304 MOVTrack *track, int64_t moof_offset)
3306 int64_t pos = avio_tell(pb);
3307 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
3308 MOV_TFHD_BASE_DATA_OFFSET;
3309 if (!track->entry) {
3310 flags |= MOV_TFHD_DURATION_IS_EMPTY;
3312 flags |= MOV_TFHD_DEFAULT_FLAGS;
3314 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
3315 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
3316 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) {
3317 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
3318 flags |= MOV_TFHD_DEFAULT_BASE_IS_MOOF;
3321 /* Don't set a default sample size, the silverlight player refuses
3322 * to play files with that set. Don't set a default sample duration,
3323 * WMP freaks out if it is set. Don't set a base data offset, PIFF
3324 * file format says it MUST NOT be set. */
3325 if (track->mode == MODE_ISM)
3326 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
3327 MOV_TFHD_BASE_DATA_OFFSET);
3329 avio_wb32(pb, 0); /* size placeholder */
3330 ffio_wfourcc(pb, "tfhd");
3331 avio_w8(pb, 0); /* version */
3332 avio_wb24(pb, flags);
3334 avio_wb32(pb, track->track_id); /* track-id */
3335 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
3336 avio_wb64(pb, moof_offset);
3337 if (flags & MOV_TFHD_DEFAULT_DURATION) {
3338 track->default_duration = get_cluster_duration(track, 0);
3339 avio_wb32(pb, track->default_duration);
3341 if (flags & MOV_TFHD_DEFAULT_SIZE) {
3342 track->default_size = track->entry ? track->cluster[0].size : 1;
3343 avio_wb32(pb, track->default_size);
3345 track->default_size = -1;
3347 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
3348 track->default_sample_flags =
3349 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
3350 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
3351 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
3352 avio_wb32(pb, track->default_sample_flags);
3355 return update_size(pb, pos);
3358 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
3360 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
3361 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
3364 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
3365 MOVTrack *track, int moof_size)
3367 int64_t pos = avio_tell(pb);
3368 uint32_t flags = MOV_TRUN_DATA_OFFSET;
3371 for (i = 0; i < track->entry; i++) {
3372 if (get_cluster_duration(track, i) != track->default_duration)
3373 flags |= MOV_TRUN_SAMPLE_DURATION;
3374 if (track->cluster[i].size != track->default_size)
3375 flags |= MOV_TRUN_SAMPLE_SIZE;
3376 if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
3377 flags |= MOV_TRUN_SAMPLE_FLAGS;
3379 if (!(flags & MOV_TRUN_SAMPLE_FLAGS))
3380 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
3381 if (track->flags & MOV_TRACK_CTTS)
3382 flags |= MOV_TRUN_SAMPLE_CTS;
3384 avio_wb32(pb, 0); /* size placeholder */
3385 ffio_wfourcc(pb, "trun");
3386 avio_w8(pb, 0); /* version */
3387 avio_wb24(pb, flags);
3389 avio_wb32(pb, track->entry); /* sample count */
3390 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
3391 !(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) &&
3393 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
3395 avio_wb32(pb, moof_size + 8 + track->data_offset +
3396 track->cluster[0].pos); /* data offset */
3397 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
3398 avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
3400 for (i = 0; i < track->entry; i++) {
3401 if (flags & MOV_TRUN_SAMPLE_DURATION)
3402 avio_wb32(pb, get_cluster_duration(track, i));
3403 if (flags & MOV_TRUN_SAMPLE_SIZE)
3404 avio_wb32(pb, track->cluster[i].size);
3405 if (flags & MOV_TRUN_SAMPLE_FLAGS)
3406 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
3407 if (flags & MOV_TRUN_SAMPLE_CTS)
3408 avio_wb32(pb, track->cluster[i].cts);
3411 mov->first_trun = 0;
3412 return update_size(pb, pos);
3415 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
3417 int64_t pos = avio_tell(pb);
3418 static const uint8_t uuid[] = {
3419 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
3420 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
3423 avio_wb32(pb, 0); /* size placeholder */
3424 ffio_wfourcc(pb, "uuid");
3425 avio_write(pb, uuid, sizeof(uuid));
3428 avio_wb64(pb, track->frag_start);
3429 avio_wb64(pb, track->start_dts + track->track_duration -
3430 track->cluster[0].dts);
3432 return update_size(pb, pos);
3435 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
3436 MOVTrack *track, int entry)
3438 int n = track->nb_frag_info - 1 - entry, i;
3439 int size = 8 + 16 + 4 + 1 + 16*n;
3440 static const uint8_t uuid[] = {
3441 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
3442 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
3448 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
3449 avio_wb32(pb, size);
3450 ffio_wfourcc(pb, "uuid");
3451 avio_write(pb, uuid, sizeof(uuid));
3455 for (i = 0; i < n; i++) {
3456 int index = entry + 1 + i;
3457 avio_wb64(pb, track->frag_info[index].time);
3458 avio_wb64(pb, track->frag_info[index].duration);
3460 if (n < mov->ism_lookahead) {
3461 int free_size = 16 * (mov->ism_lookahead - n);
3462 avio_wb32(pb, free_size);
3463 ffio_wfourcc(pb, "free");
3464 ffio_fill(pb, 0, free_size - 8);
3470 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
3473 int64_t pos = avio_tell(pb);
3475 for (i = 0; i < mov->ism_lookahead; i++) {
3476 /* Update the tfrf tag for the last ism_lookahead fragments,
3477 * nb_frag_info - 1 is the next fragment to be written. */
3478 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
3480 avio_seek(pb, pos, SEEK_SET);
3484 static int mov_add_tfra_entries(AVIOContext *pb, MOVMuxContext *mov, int tracks,
3488 for (i = 0; i < mov->nb_streams; i++) {
3489 MOVTrack *track = &mov->tracks[i];
3490 MOVFragmentInfo *info;
3491 if ((tracks >= 0 && i != tracks) || !track->entry)
3493 track->nb_frag_info++;
3494 if (track->nb_frag_info >= track->frag_info_capacity) {
3495 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
3496 if (av_reallocp_array(&track->frag_info,
3498 sizeof(*track->frag_info)))
3499 return AVERROR(ENOMEM);
3500 track->frag_info_capacity = new_capacity;
3502 info = &track->frag_info[track->nb_frag_info - 1];
3503 info->offset = avio_tell(pb);
3505 // Try to recreate the original pts for the first packet
3506 // from the fields we have stored
3507 info->time = track->start_dts + track->frag_start +
3508 track->cluster[0].cts;
3509 // If the pts is less than zero, we will have trimmed
3510 // away parts of the media track using an edit list,
3511 // and the corresponding start presentation time is zero.
3514 info->duration = track->start_dts + track->track_duration -
3515 track->cluster[0].dts;
3516 info->tfrf_offset = 0;
3517 mov_write_tfrf_tags(pb, mov, track);
3522 static int mov_write_tfdt_tag(AVIOContext *pb, MOVTrack *track)
3524 int64_t pos = avio_tell(pb);
3526 avio_wb32(pb, 0); /* size */
3527 ffio_wfourcc(pb, "tfdt");
3528 avio_w8(pb, 1); /* version */
3530 avio_wb64(pb, track->frag_start);
3531 return update_size(pb, pos);
3534 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
3535 MOVTrack *track, int64_t moof_offset,
3538 int64_t pos = avio_tell(pb);
3539 avio_wb32(pb, 0); /* size placeholder */
3540 ffio_wfourcc(pb, "traf");
3542 mov_write_tfhd_tag(pb, mov, track, moof_offset);
3543 if (mov->mode != MODE_ISM)
3544 mov_write_tfdt_tag(pb, track);
3545 mov_write_trun_tag(pb, mov, track, moof_size);
3546 if (mov->mode == MODE_ISM) {
3547 mov_write_tfxd_tag(pb, track);
3549 if (mov->ism_lookahead) {
3550 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
3552 if (track->nb_frag_info > 0) {
3553 MOVFragmentInfo *info = &track->frag_info[track->nb_frag_info - 1];
3554 if (!info->tfrf_offset)
3555 info->tfrf_offset = avio_tell(pb);
3557 avio_wb32(pb, 8 + size);
3558 ffio_wfourcc(pb, "free");
3559 for (i = 0; i < size; i++)
3564 return update_size(pb, pos);
3567 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
3568 int tracks, int moof_size)
3570 int64_t pos = avio_tell(pb);
3573 avio_wb32(pb, 0); /* size placeholder */
3574 ffio_wfourcc(pb, "moof");
3575 mov->first_trun = 1;
3577 mov_write_mfhd_tag(pb, mov);
3578 for (i = 0; i < mov->nb_streams; i++) {
3579 MOVTrack *track = &mov->tracks[i];
3580 if (tracks >= 0 && i != tracks)
3584 mov_write_traf_tag(pb, mov, track, pos, moof_size);
3587 return update_size(pb, pos);
3590 static int mov_write_sidx_tag(AVIOContext *pb,
3591 MOVTrack *track, int ref_size, int total_sidx_size)
3593 int64_t pos = avio_tell(pb), offset_pos, end_pos;
3594 int64_t presentation_time, duration, offset;
3595 int starts_with_SAP, i, entries;
3599 presentation_time = track->start_dts + track->frag_start +
3600 track->cluster[0].cts;
3601 duration = track->start_dts + track->track_duration -
3602 track->cluster[0].dts;
3603 starts_with_SAP = track->cluster[0].flags & MOV_SYNC_SAMPLE;
3605 entries = track->nb_frag_info;
3606 presentation_time = track->frag_info[0].time;
3609 // pts<0 should be cut away using edts
3610 if (presentation_time < 0)
3611 presentation_time = 0;
3613 avio_wb32(pb, 0); /* size */
3614 ffio_wfourcc(pb, "sidx");
3615 avio_w8(pb, 1); /* version */
3617 avio_wb32(pb, track->track_id); /* reference_ID */
3618 avio_wb32(pb, track->timescale); /* timescale */
3619 avio_wb64(pb, presentation_time); /* earliest_presentation_time */
3620 offset_pos = avio_tell(pb);
3621 avio_wb64(pb, 0); /* first_offset (offset to referenced moof) */
3622 avio_wb16(pb, 0); /* reserved */
3624 avio_wb16(pb, entries); /* reference_count */
3625 for (i = 0; i < entries; i++) {
3626 if (!track->entry) {
3627 if (i > 1 && track->frag_info[i].offset != track->frag_info[i - 1].offset + track->frag_info[i - 1].size) {
3628 av_log(NULL, AV_LOG_ERROR, "Non-consecutive fragments, writing incorrect sidx\n");
3630 duration = track->frag_info[i].duration;
3631 ref_size = track->frag_info[i].size;
3632 starts_with_SAP = 1;
3634 avio_wb32(pb, (0 << 31) | (ref_size & 0x7fffffff)); /* reference_type (0 = media) | referenced_size */
3635 avio_wb32(pb, duration); /* subsegment_duration */
3636 avio_wb32(pb, (starts_with_SAP << 31) | (0 << 28) | 0); /* starts_with_SAP | SAP_type | SAP_delta_time */
3639 end_pos = avio_tell(pb);
3640 offset = pos + total_sidx_size - end_pos;
3641 avio_seek(pb, offset_pos, SEEK_SET);
3642 avio_wb64(pb, offset);
3643 avio_seek(pb, end_pos, SEEK_SET);
3644 return update_size(pb, pos);
3647 static int mov_write_sidx_tags(AVIOContext *pb, MOVMuxContext *mov,
3648 int tracks, int ref_size)
3651 AVIOContext *avio_buf;
3653 for (round = 0; round < 2; round++) {
3654 // First run one round to calculate the total size of all
3656 // This would be much simpler if we'd only write one sidx
3657 // atom, for the first track in the moof.
3659 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
3664 for (i = 0; i < mov->nb_streams; i++) {
3665 MOVTrack *track = &mov->tracks[i];
3666 if (tracks >= 0 && i != tracks)
3668 // When writing a sidx for the full file, entry is 0, but
3669 // we want to include all tracks. ref_size is 0 in this case,
3670 // since we read it from frag_info instead.
3671 if (!track->entry && ref_size > 0)
3673 total_size -= mov_write_sidx_tag(avio_buf, track, ref_size,
3677 total_size = ffio_close_null_buf(avio_buf);
3682 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks,
3685 AVIOContext *avio_buf;
3688 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
3690 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
3691 moof_size = ffio_close_null_buf(avio_buf);
3693 if (mov->flags & FF_MOV_FLAG_DASH && !(mov->flags & FF_MOV_FLAG_FASTSTART))
3694 mov_write_sidx_tags(pb, mov, tracks, moof_size + 8 + mdat_size);
3696 if ((ret = mov_add_tfra_entries(pb, mov, tracks, moof_size + 8 + mdat_size)) < 0)
3699 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
3702 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
3704 int64_t pos = avio_tell(pb);
3707 avio_wb32(pb, 0); /* size placeholder */
3708 ffio_wfourcc(pb, "tfra");
3709 avio_w8(pb, 1); /* version */
3712 avio_wb32(pb, track->track_id);
3713 avio_wb32(pb, 0); /* length of traf/trun/sample num */
3714 avio_wb32(pb, track->nb_frag_info);
3715 for (i = 0; i < track->nb_frag_info; i++) {
3716 avio_wb64(pb, track->frag_info[i].time);
3717 avio_wb64(pb, track->frag_info[i].offset + track->data_offset);
3718 avio_w8(pb, 1); /* traf number */
3719 avio_w8(pb, 1); /* trun number */
3720 avio_w8(pb, 1); /* sample number */
3723 return update_size(pb, pos);
3726 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
3728 int64_t pos = avio_tell(pb);
3731 avio_wb32(pb, 0); /* size placeholder */
3732 ffio_wfourcc(pb, "mfra");
3733 /* An empty mfra atom is enough to indicate to the publishing point that
3734 * the stream has ended. */
3735 if (mov->flags & FF_MOV_FLAG_ISML)
3736 return update_size(pb, pos);
3738 for (i = 0; i < mov->nb_streams; i++) {
3739 MOVTrack *track = &mov->tracks[i];
3740 if (track->nb_frag_info)
3741 mov_write_tfra_tag(pb, track);
3745 ffio_wfourcc(pb, "mfro");
3746 avio_wb32(pb, 0); /* version + flags */
3747 avio_wb32(pb, avio_tell(pb) + 4 - pos);
3749 return update_size(pb, pos);
3752 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
3754 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
3755 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
3757 mov->mdat_pos = avio_tell(pb);
3758 avio_wb32(pb, 0); /* size placeholder*/
3759 ffio_wfourcc(pb, "mdat");
3763 /* TODO: This needs to be more general */
3764 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
3766 MOVMuxContext *mov = s->priv_data;
3767 int64_t pos = avio_tell(pb);
3768 int has_h264 = 0, has_video = 0;
3772 for (i = 0; i < s->nb_streams; i++) {
3773 AVStream *st = s->streams[i];
3774 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
3776 if (st->codec->codec_id == AV_CODEC_ID_H264)
3780 avio_wb32(pb, 0); /* size */
3781 ffio_wfourcc(pb, "ftyp");
3783 if (mov->major_brand && strlen(mov->major_brand) >= 4)
3784 ffio_wfourcc(pb, mov->major_brand);
3785 else if (mov->mode == MODE_3GP) {
3786 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
3787 minor = has_h264 ? 0x100 : 0x200;
3788 } else if (mov->mode & MODE_3G2) {
3789 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
3790 minor = has_h264 ? 0x20000 : 0x10000;
3791 } else if (mov->mode == MODE_PSP)
3792 ffio_wfourcc(pb, "MSNV");
3793 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
3794 ffio_wfourcc(pb, "iso5"); // Required when using default-base-is-moof
3795 else if (mov->mode == MODE_MP4)
3796 ffio_wfourcc(pb, "isom");
3797 else if (mov->mode == MODE_IPOD)
3798 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
3799 else if (mov->mode == MODE_ISM)
3800 ffio_wfourcc(pb, "isml");
3801 else if (mov->mode == MODE_F4V)
3802 ffio_wfourcc(pb, "f4v ");
3804 ffio_wfourcc(pb, "qt ");
3806 avio_wb32(pb, minor);
3808 if (mov->mode == MODE_MOV)
3809 ffio_wfourcc(pb, "qt ");
3810 else if (mov->mode == MODE_ISM) {
3811 ffio_wfourcc(pb, "piff");
3812 } else if (!(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)) {
3813 ffio_wfourcc(pb, "isom");
3814 ffio_wfourcc(pb, "iso2");
3816 ffio_wfourcc(pb, "avc1");
3819 // We add tfdt atoms when fragmenting, signal this with the iso6 compatible
3820 // brand. This is compatible with users that don't understand tfdt.
3821 if (mov->flags & FF_MOV_FLAG_FRAGMENT && mov->mode != MODE_ISM)
3822 ffio_wfourcc(pb, "iso6");
3824 if (mov->mode == MODE_3GP)
3825 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
3826 else if (mov->mode & MODE_3G2)
3827 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
3828 else if (mov->mode == MODE_PSP)
3829 ffio_wfourcc(pb, "MSNV");
3830 else if (mov->mode == MODE_MP4)
3831 ffio_wfourcc(pb, "mp41");
3833 if (mov->flags & FF_MOV_FLAG_DASH && mov->flags & FF_MOV_FLAG_FASTSTART)
3834 ffio_wfourcc(pb, "dash");
3836 return update_size(pb, pos);
3839 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
3841 AVStream *video_st = s->streams[0];
3842 AVCodecContext *video_codec = s->streams[0]->codec;
3843 AVCodecContext *audio_codec = s->streams[1]->codec;
3844 int audio_rate = audio_codec->sample_rate;
3845 // TODO: should be avg_frame_rate
3846 int frame_rate = ((video_st->time_base.den) * (0x10000)) / (video_st->time_base.num);
3847 int audio_kbitrate = audio_codec->bit_rate / 1000;
3848 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
3850 avio_wb32(pb, 0x94); /* size */
3851 ffio_wfourcc(pb, "uuid");
3852 ffio_wfourcc(pb, "PROF");
3854 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
3855 avio_wb32(pb, 0xbb88695c);
3856 avio_wb32(pb, 0xfac9c740);
3858 avio_wb32(pb, 0x0); /* ? */
3859 avio_wb32(pb, 0x3); /* 3 sections ? */
3861 avio_wb32(pb, 0x14); /* size */
3862 ffio_wfourcc(pb, "FPRF");
3863 avio_wb32(pb, 0x0); /* ? */
3864 avio_wb32(pb, 0x0); /* ? */
3865 avio_wb32(pb, 0x0); /* ? */
3867 avio_wb32(pb, 0x2c); /* size */
3868 ffio_wfourcc(pb, "APRF"); /* audio */
3870 avio_wb32(pb, 0x2); /* TrackID */
3871 ffio_wfourcc(pb, "mp4a");
3872 avio_wb32(pb, 0x20f);
3874 avio_wb32(pb, audio_kbitrate);
3875 avio_wb32(pb, audio_kbitrate);
3876 avio_wb32(pb, audio_rate);
3877 avio_wb32(pb, audio_codec->channels);
3879 avio_wb32(pb, 0x34); /* size */
3880 ffio_wfourcc(pb, "VPRF"); /* video */
3882 avio_wb32(pb, 0x1); /* TrackID */
3883 if (video_codec->codec_id == AV_CODEC_ID_H264) {
3884 ffio_wfourcc(pb, "avc1");
3885 avio_wb16(pb, 0x014D);
3886 avio_wb16(pb, 0x0015);
3888 ffio_wfourcc(pb, "mp4v");
3889 avio_wb16(pb, 0x0000);
3890 avio_wb16(pb, 0x0103);
3893 avio_wb32(pb, video_kbitrate);
3894 avio_wb32(pb, video_kbitrate);
3895 avio_wb32(pb, frame_rate);
3896 avio_wb32(pb, frame_rate);
3897 avio_wb16(pb, video_codec->width);
3898 avio_wb16(pb, video_codec->height);
3899 avio_wb32(pb, 0x010001); /* ? */
3902 static int mov_write_identification(AVIOContext *pb, AVFormatContext *s)
3904 MOVMuxContext *mov = s->priv_data;
3907 mov_write_ftyp_tag(pb,s);
3908 if (mov->mode == MODE_PSP) {
3909 int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
3910 for (i = 0; i < s->nb_streams; i++) {
3911 AVStream *st = s->streams[i];
3912 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
3914 else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
3920 if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
3921 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
3922 return AVERROR(EINVAL);
3924 mov_write_uuidprof_tag(pb, s);
3929 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
3932 int i, closed_gop = 0;
3934 for (i = 0; i < pkt->size - 4; i++) {
3935 c = (c << 8) + pkt->data[i];
3936 if (c == 0x1b8) { // gop
3937 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
3938 } else if (c == 0x100) { // pic
3939 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
3940 if (!temp_ref || closed_gop) // I picture is not reordered
3941 *flags = MOV_SYNC_SAMPLE;
3943 *flags = MOV_PARTIAL_SYNC_SAMPLE;
3950 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment)
3952 const uint8_t *start, *next, *end = pkt->data + pkt->size;
3953 int seq = 0, entry = 0;
3954 int key = pkt->flags & AV_PKT_FLAG_KEY;
3955 start = find_next_marker(pkt->data, end);
3956 for (next = start; next < end; start = next) {
3957 next = find_next_marker(start + 4, end);
3958 switch (AV_RB32(start)) {
3959 case VC1_CODE_SEQHDR:
3962 case VC1_CODE_ENTRYPOINT:
3965 case VC1_CODE_SLICE:
3966 trk->vc1_info.slices = 1;
3970 if (!trk->entry && !fragment) {
3971 /* First packet in first fragment */
3972 trk->vc1_info.first_packet_seq = seq;
3973 trk->vc1_info.first_packet_entry = entry;
3974 } else if ((seq && !trk->vc1_info.packet_seq) ||
3975 (entry && !trk->vc1_info.packet_entry)) {
3977 for (i = 0; i < trk->entry; i++)
3978 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
3979 trk->has_keyframes = 0;
3981 trk->vc1_info.packet_seq = 1;
3983 trk->vc1_info.packet_entry = 1;
3985 /* First fragment */
3986 if ((!seq || trk->vc1_info.first_packet_seq) &&
3987 (!entry || trk->vc1_info.first_packet_entry)) {
3988 /* First packet had the same headers as this one, readd the
3989 * sync sample flag. */
3990 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
3991 trk->has_keyframes = 1;
3995 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
3997 else if (trk->vc1_info.packet_seq)
3999 else if (trk->vc1_info.packet_entry)
4002 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
4003 trk->has_keyframes++;
4007 static int mov_flush_fragment(AVFormatContext *s)
4009 MOVMuxContext *mov = s->priv_data;
4010 int i, first_track = -1;
4011 int64_t mdat_size = 0;
4014 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
4017 if (mov->fragments == 0) {
4018 int64_t pos = avio_tell(s->pb);
4020 int buf_size, moov_size;
4022 for (i = 0; i < mov->nb_streams; i++)
4023 if (!mov->tracks[i].entry)
4025 /* Don't write the initial moov unless all tracks have data */
4026 if (i < mov->nb_streams)
4029 moov_size = get_moov_size(s);
4030 for (i = 0; i < mov->nb_streams; i++)
4031 mov->tracks[i].data_offset = pos + moov_size + 8;
4033 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
4034 mov_write_identification(s->pb, s);
4035 if ((ret = mov_write_moov_tag(s->pb, mov, s)) < 0)
4038 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV) {
4039 if (mov->flags & FF_MOV_FLAG_FASTSTART)
4040 mov->reserved_moov_pos = avio_tell(s->pb);
4046 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
4047 mov->mdat_buf = NULL;
4048 avio_wb32(s->pb, buf_size + 8);
4049 ffio_wfourcc(s->pb, "mdat");
4050 avio_write(s->pb, buf, buf_size);
4055 for (i = 0; i < mov->nb_streams; i++) {
4056 if (mov->tracks[i].entry)
4057 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
4058 mov->tracks[i].track_duration -
4059 mov->tracks[i].cluster[0].dts;
4060 mov->tracks[i].entry = 0;
4066 for (i = 0; i < mov->nb_streams; i++) {
4067 MOVTrack *track = &mov->tracks[i];
4068 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
4069 track->data_offset = 0;
4071 track->data_offset = mdat_size;
4072 if (!track->mdat_buf)
4074 mdat_size += avio_tell(track->mdat_buf);
4075 if (first_track < 0)
4082 for (i = 0; i < mov->nb_streams; i++) {
4083 MOVTrack *track = &mov->tracks[i];
4084 int buf_size, write_moof = 1, moof_tracks = -1;
4086 int64_t duration = 0;
4089 duration = track->start_dts + track->track_duration -
4090 track->cluster[0].dts;
4091 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
4092 if (!track->mdat_buf)
4094 mdat_size = avio_tell(track->mdat_buf);
4097 write_moof = i == first_track;
4103 mov_write_moof_tag(s->pb, mov, moof_tracks, mdat_size);
4106 avio_wb32(s->pb, mdat_size + 8);
4107 ffio_wfourcc(s->pb, "mdat");
4111 track->frag_start += duration;
4113 if (!track->mdat_buf)
4115 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
4116 track->mdat_buf = NULL;
4118 avio_write(s->pb, buf, buf_size);
4128 static int mov_auto_flush_fragment(AVFormatContext *s)
4130 MOVMuxContext *mov = s->priv_data;
4131 int ret = mov_flush_fragment(s);
4134 // If using delay_moov, the first flush only wrote the moov,
4135 // not the actual moof+mdat pair, thus flush once again.
4136 if (mov->fragments == 1 && mov->flags & FF_MOV_FLAG_DELAY_MOOV)
4137 ret = mov_flush_fragment(s);
4141 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
4143 MOVMuxContext *mov = s->priv_data;
4144 AVIOContext *pb = s->pb;
4145 MOVTrack *trk = &mov->tracks[pkt->stream_index];
4146 AVCodecContext *enc = trk->enc;
4147 unsigned int samples_in_chunk = 0;
4148 int size = pkt->size, ret = 0;
4149 uint8_t *reformatted_data = NULL;
4152 int64_t duration = pkt->dts - trk->cluster[trk->entry - 1].dts;
4153 if (duration < 0 || duration > INT_MAX) {
4154 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n",
4158 pkt->dts = trk->cluster[trk->entry - 1].dts + 1;
4159 pkt->pts = AV_NOPTS_VALUE;
4161 if (pkt->duration < 0) {
4162 av_log(s, AV_LOG_ERROR, "Application provided duration: %d is invalid\n", pkt->duration);
4163 return AVERROR(EINVAL);
4166 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
4168 if (mov->fragments > 0 || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
4169 if (!trk->mdat_buf) {
4170 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
4175 if (!mov->mdat_buf) {
4176 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
4183 if (enc->codec_id == AV_CODEC_ID_AMR_NB) {
4184 /* We must find out how many AMR blocks there are in one packet */
4185 static uint16_t packed_size[16] =
4186 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
4189 while (len < size && samples_in_chunk < 100) {
4190 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
4193 if (samples_in_chunk > 1) {
4194 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
4197 } else if (enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
4198 enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
4199 samples_in_chunk = enc->frame_size;
4200 } else if (trk->sample_size)
4201 samples_in_chunk = size / trk->sample_size;
4203 samples_in_chunk = 1;
4205 /* copy extradata if it exists */
4206 if (trk->vos_len == 0 && enc->extradata_size > 0 &&
4207 !TAG_IS_AVCI(trk->tag) &&
4208 (enc->codec_id != AV_CODEC_ID_DNXHD)) {
4209 trk->vos_len = enc->extradata_size;
4210 trk->vos_data = av_malloc(trk->vos_len);
4211 if (!trk->vos_data) {
4212 ret = AVERROR(ENOMEM);
4215 memcpy(trk->vos_data, enc->extradata, trk->vos_len);
4218 if (enc->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
4219 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
4220 if (!s->streams[pkt->stream_index]->nb_frames) {
4221 av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
4222 "use the audio bitstream filter 'aac_adtstoasc' to fix it "
4223 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
4226 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
4228 if (enc->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1 && !TAG_IS_AVCI(trk->tag)) {
4229 /* from x264 or from bytestream h264 */
4230 /* nal reformating needed */
4231 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
4232 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
4234 avio_write(pb, reformatted_data, size);
4236 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
4238 } else if (enc->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
4239 (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
4240 /* extradata is Annex B, assume the bitstream is too and convert it */
4241 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
4242 ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data, &size, 0, NULL);
4243 avio_write(pb, reformatted_data, size);
4245 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
4247 #if CONFIG_AC3_PARSER
4248 } else if (enc->codec_id == AV_CODEC_ID_EAC3) {
4249 size = handle_eac3(mov, pkt, trk);
4254 avio_write(pb, pkt->data, size);
4257 avio_write(pb, pkt->data, size);
4260 if ((enc->codec_id == AV_CODEC_ID_DNXHD ||
4261 enc->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
4262 /* copy frame to create needed atoms */
4263 trk->vos_len = size;
4264 trk->vos_data = av_malloc(size);
4265 if (!trk->vos_data) {
4266 ret = AVERROR(ENOMEM);
4269 memcpy(trk->vos_data, pkt->data, size);
4272 if (trk->entry >= trk->cluster_capacity) {
4273 unsigned new_capacity = 2 * (trk->entry + MOV_INDEX_CLUSTER_SIZE);
4274 if (av_reallocp_array(&trk->cluster, new_capacity,
4275 sizeof(*trk->cluster))) {
4276 ret = AVERROR(ENOMEM);
4279 trk->cluster_capacity = new_capacity;
4282 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
4283 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
4284 trk->cluster[trk->entry].chunkNum = 0;
4285 trk->cluster[trk->entry].size = size;
4286 trk->cluster[trk->entry].entries = samples_in_chunk;
4287 trk->cluster[trk->entry].dts = pkt->dts;
4288 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
4289 if (!trk->frag_discont) {
4290 /* First packet of a new fragment. We already wrote the duration
4291 * of the last packet of the previous fragment based on track_duration,
4292 * which might not exactly match our dts. Therefore adjust the dts
4293 * of this packet to be what the previous packets duration implies. */
4294 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
4295 /* We also may have written the pts and the corresponding duration
4296 * in sidx tags; make sure the sidx pts and duration match up with
4297 * the next fragment. This means the cts of the first sample must
4298 * be the same in all fragments. */
4299 pkt->pts = pkt->dts + trk->start_cts;
4301 /* New fragment, but discontinuous from previous fragments.
4302 * Pretend the duration sum of the earlier fragments is
4303 * pkt->dts - trk->start_dts. */
4304 trk->frag_start = pkt->dts - trk->start_dts;
4305 trk->frag_discont = 0;
4309 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !mov->use_editlist &&
4310 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO) {
4311 /* Not using edit lists and shifting the first track to start from zero.
4312 * If the other streams start from a later timestamp, we won't be able
4313 * to signal the difference in starting time without an edit list.
4314 * Thus move the timestamp for this first sample to 0, increasing
4315 * its duration instead. */
4316 trk->cluster[trk->entry].dts = trk->start_dts = 0;
4318 if (trk->start_dts == AV_NOPTS_VALUE) {
4319 trk->start_dts = pkt->dts;
4320 if (trk->frag_discont) {
4321 /* Pretend the whole stream started at dts=0, with earlier fragments
4322 * already written, with a duration summing up to pkt->dts. */
4323 trk->frag_start = pkt->dts;
4325 trk->frag_discont = 0;
4326 } else if (pkt->dts && mov->fragments >= 1)
4327 av_log(s, AV_LOG_WARNING,
4328 "Track %d starts with a nonzero dts %"PRId64", while the moov "
4329 "already has been written. Set the delay_moov flag to handle "
4331 pkt->stream_index, pkt->dts);
4333 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
4334 trk->last_sample_is_subtitle_end = 0;
4336 if (pkt->pts == AV_NOPTS_VALUE) {
4337 av_log(s, AV_LOG_WARNING, "pts has no value\n");
4338 pkt->pts = pkt->dts;
4340 if (pkt->dts != pkt->pts)
4341 trk->flags |= MOV_TRACK_CTTS;
4342 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
4343 trk->cluster[trk->entry].flags = 0;
4344 if (trk->start_cts == AV_NOPTS_VALUE)
4345 trk->start_cts = pkt->pts - pkt->dts;
4347 if (enc->codec_id == AV_CODEC_ID_VC1) {
4348 mov_parse_vc1_frame(pkt, trk, mov->fragments);
4349 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
4350 if (mov->mode == MODE_MOV && enc->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
4351 trk->entry > 0) { // force sync sample for the first key frame
4352 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
4353 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
4354 trk->flags |= MOV_TRACK_STPS;
4356 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
4358 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
4359 trk->has_keyframes++;
4362 trk->sample_count += samples_in_chunk;
4363 mov->mdat_size += size;
4365 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
4366 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
4367 reformatted_data, size);
4372 av_free(reformatted_data);
4376 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
4378 MOVMuxContext *mov = s->priv_data;
4379 MOVTrack *trk = &mov->tracks[pkt->stream_index];
4380 AVCodecContext *enc = trk->enc;
4381 int64_t frag_duration = 0;
4382 int size = pkt->size;
4385 return 0; /* Discard 0 sized packets */
4387 if (mov->flags & FF_MOV_FLAG_FRAG_DISCONT) {
4389 for (i = 0; i < s->nb_streams; i++)
4390 mov->tracks[i].frag_discont = 1;
4391 mov->flags &= ~FF_MOV_FLAG_FRAG_DISCONT;
4394 if (trk->entry && pkt->stream_index < s->nb_streams)
4395 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
4396 s->streams[pkt->stream_index]->time_base,
4398 if ((mov->max_fragment_duration &&
4399 frag_duration >= mov->max_fragment_duration) ||
4400 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
4401 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
4402 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
4403 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
4404 if (frag_duration >= mov->min_fragment_duration)
4405 mov_auto_flush_fragment(s);
4408 return ff_mov_write_packet(s, pkt);
4411 static int mov_write_subtitle_end_packet(AVFormatContext *s,
4415 uint8_t data[2] = {0};
4418 av_init_packet(&end);
4419 end.size = sizeof(data);
4424 end.stream_index = stream_index;
4426 ret = mov_write_single_packet(s, &end);
4427 av_free_packet(&end);
4432 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
4435 mov_flush_fragment(s);
4439 MOVMuxContext *mov = s->priv_data;
4441 if (!pkt->size) return 0; /* Discard 0 sized packets */
4444 * Subtitles require special handling.
4446 * 1) For full complaince, every track must have a sample at
4447 * dts == 0, which is rarely true for subtitles. So, as soon
4448 * as we see any packet with dts > 0, write an empty subtitle
4449 * at dts == 0 for any subtitle track with no samples in it.
4451 * 2) For each subtitle track, check if the current packet's
4452 * dts is past the duration of the last subtitle sample. If
4453 * so, we now need to write an end sample for that subtitle.
4455 * This must be done conditionally to allow for subtitles that
4456 * immediately replace each other, in which case an end sample
4457 * is not needed, and is, in fact, actively harmful.
4459 * 3) See mov_write_trailer for how the final end sample is
4462 for (i = 0; i < mov->nb_streams; i++) {
4463 MOVTrack *trk = &mov->tracks[i];
4466 if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
4467 trk->track_duration < pkt->dts &&
4468 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
4469 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
4470 if (ret < 0) return ret;
4471 trk->last_sample_is_subtitle_end = 1;
4475 return mov_write_single_packet(s, pkt);
4479 // QuickTime chapters involve an additional text track with the chapter names
4480 // as samples, and a tref pointing from the other tracks to the chapter one.
4481 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
4485 MOVMuxContext *mov = s->priv_data;
4486 MOVTrack *track = &mov->tracks[tracknum];
4487 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
4490 track->mode = mov->mode;
4491 track->tag = MKTAG('t','e','x','t');
4492 track->timescale = MOV_TIMESCALE;
4493 track->enc = avcodec_alloc_context3(NULL);
4495 return AVERROR(ENOMEM);
4496 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
4498 // These properties are required to make QT recognize the chapter track
4499 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
4500 if (ff_alloc_extradata(track->enc, sizeof(chapter_properties)))
4501 return AVERROR(ENOMEM);
4502 memcpy(track->enc->extradata, chapter_properties, sizeof(chapter_properties));
4504 if (avio_open_dyn_buf(&pb) >= 0) {
4508 /* Stub header (usually for Quicktime chapter track) */
4510 avio_wb32(pb, 0x01); // displayFlags
4511 avio_w8(pb, 0x00); // horizontal justification
4512 avio_w8(pb, 0x00); // vertical justification
4513 avio_w8(pb, 0x00); // bgColourRed
4514 avio_w8(pb, 0x00); // bgColourGreen
4515 avio_w8(pb, 0x00); // bgColourBlue
4516 avio_w8(pb, 0x00); // bgColourAlpha
4518 avio_wb16(pb, 0x00); // defTextBoxTop
4519 avio_wb16(pb, 0x00); // defTextBoxLeft
4520 avio_wb16(pb, 0x00); // defTextBoxBottom
4521 avio_wb16(pb, 0x00); // defTextBoxRight
4523 avio_wb16(pb, 0x00); // startChar
4524 avio_wb16(pb, 0x00); // endChar
4525 avio_wb16(pb, 0x01); // fontID
4526 avio_w8(pb, 0x00); // fontStyleFlags
4527 avio_w8(pb, 0x00); // fontSize
4528 avio_w8(pb, 0x00); // fgColourRed
4529 avio_w8(pb, 0x00); // fgColourGreen
4530 avio_w8(pb, 0x00); // fgColourBlue
4531 avio_w8(pb, 0x00); // fgColourAlpha
4533 avio_wb32(pb, 0x0D); // box size
4534 ffio_wfourcc(pb, "ftab"); // box atom name
4535 avio_wb16(pb, 0x01); // entry count
4537 avio_wb16(pb, 0x01); // font ID
4538 avio_w8(pb, 0x00); // font name length
4540 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
4541 track->enc->extradata = buf;
4542 track->enc->extradata_size = size;
4549 for (i = 0; i < s->nb_chapters; i++) {
4550 AVChapter *c = s->chapters[i];
4551 AVDictionaryEntry *t;
4553 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
4554 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
4555 pkt.duration = end - pkt.dts;
4557 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
4558 const char encd[12] = {
4559 0x00, 0x00, 0x00, 0x0C,
4561 0x00, 0x00, 0x01, 0x00 };
4562 len = strlen(t->value);
4563 pkt.size = len + 2 + 12;
4564 pkt.data = av_malloc(pkt.size);
4566 return AVERROR(ENOMEM);
4567 AV_WB16(pkt.data, len);
4568 memcpy(pkt.data + 2, t->value, len);
4569 memcpy(pkt.data + len + 2, encd, sizeof(encd));
4570 ff_mov_write_packet(s, &pkt);
4571 av_freep(&pkt.data);
4578 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, const char *tcstr)
4581 MOVMuxContext *mov = s->priv_data;
4582 MOVTrack *track = &mov->tracks[index];
4583 AVStream *src_st = s->streams[src_index];
4585 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
4586 AVRational rate = find_fps(s, src_st);
4588 /* compute the frame number */
4589 ret = av_timecode_init_from_string(&tc, rate, tcstr, s);
4593 /* tmcd track based on video stream */
4594 track->mode = mov->mode;
4595 track->tag = MKTAG('t','m','c','d');
4596 track->src_track = src_index;
4597 track->timescale = mov->tracks[src_index].timescale;
4598 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
4599 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
4601 /* set st to src_st for metadata access*/
4604 /* encode context: tmcd data stream */
4605 track->enc = avcodec_alloc_context3(NULL);
4607 return AVERROR(ENOMEM);
4608 track->enc->codec_type = AVMEDIA_TYPE_DATA;
4609 track->enc->codec_tag = track->tag;
4610 track->enc->time_base = av_inv_q(rate);
4612 /* the tmcd track just contains one packet with the frame number */
4613 pkt.data = av_malloc(pkt.size);
4615 return AVERROR(ENOMEM);
4616 AV_WB32(pkt.data, tc.start);
4617 ret = ff_mov_write_packet(s, &pkt);
4623 * st->disposition controls the "enabled" flag in the tkhd tag.
4624 * QuickTime will not play a track if it is not enabled. So make sure
4625 * that one track of each type (audio, video, subtitle) is enabled.
4627 * Subtitles are special. For audio and video, setting "enabled" also
4628 * makes the track "default" (i.e. it is rendered when played). For
4629 * subtitles, an "enabled" subtitle is not rendered by default, but
4630 * if no subtitle is enabled, the subtitle menu in QuickTime will be
4633 static void enable_tracks(AVFormatContext *s)
4635 MOVMuxContext *mov = s->priv_data;
4637 int enabled[AVMEDIA_TYPE_NB];
4638 int first[AVMEDIA_TYPE_NB];
4640 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
4645 for (i = 0; i < s->nb_streams; i++) {
4646 AVStream *st = s->streams[i];
4648 if (st->codec->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
4649 st->codec->codec_type >= AVMEDIA_TYPE_NB)
4652 if (first[st->codec->codec_type] < 0)
4653 first[st->codec->codec_type] = i;
4654 if (st->disposition & AV_DISPOSITION_DEFAULT) {
4655 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
4656 enabled[st->codec->codec_type]++;
4660 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
4662 case AVMEDIA_TYPE_VIDEO:
4663 case AVMEDIA_TYPE_AUDIO:
4664 case AVMEDIA_TYPE_SUBTITLE:
4666 mov->per_stream_grouping = 1;
4667 if (!enabled[i] && first[i] >= 0)
4668 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
4674 static void mov_free(AVFormatContext *s)
4676 MOVMuxContext *mov = s->priv_data;
4679 if (mov->chapter_track) {
4680 if (mov->tracks[mov->chapter_track].enc)
4681 av_freep(&mov->tracks[mov->chapter_track].enc->extradata);
4682 av_freep(&mov->tracks[mov->chapter_track].enc);
4685 for (i = 0; i < mov->nb_streams; i++) {
4686 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
4687 ff_mov_close_hinting(&mov->tracks[i]);
4688 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
4689 av_freep(&mov->tracks[i].enc);
4690 av_freep(&mov->tracks[i].cluster);
4691 av_freep(&mov->tracks[i].frag_info);
4693 if (mov->tracks[i].vos_len)
4694 av_freep(&mov->tracks[i].vos_data);
4697 av_freep(&mov->tracks);
4700 static uint32_t rgb_to_yuv(uint32_t rgb)
4705 r = (rgb >> 16) & 0xFF;
4706 g = (rgb >> 8) & 0xFF;
4709 y = av_clip_uint8( 16. + 0.257 * r + 0.504 * g + 0.098 * b);
4710 cb = av_clip_uint8(128. - 0.148 * r - 0.291 * g + 0.439 * b);
4711 cr = av_clip_uint8(128. + 0.439 * r - 0.368 * g - 0.071 * b);
4713 return (y << 16) | (cr << 8) | cb;
4716 static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track,
4719 int i, width = 720, height = 480;
4720 int have_palette = 0, have_size = 0;
4721 uint32_t palette[16];
4722 char *cur = st->codec->extradata;
4724 while (cur && *cur) {
4725 if (strncmp("palette:", cur, 8) == 0) {
4727 count = sscanf(cur + 8,
4728 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
4729 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
4730 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
4731 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
4732 &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
4733 &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
4734 &palette[ 8], &palette[ 9], &palette[10], &palette[11],
4735 &palette[12], &palette[13], &palette[14], &palette[15]);
4737 for (i = 0; i < count; i++) {
4738 palette[i] = rgb_to_yuv(palette[i]);
4741 } else if (!strncmp("size:", cur, 5)) {
4742 sscanf(cur + 5, "%dx%d", &width, &height);
4745 if (have_palette && have_size)
4747 cur += strcspn(cur, "\n\r");
4748 cur += strspn(cur, "\n\r");
4751 track->vos_data = av_malloc(16*4);
4752 if (!track->vos_data)
4753 return AVERROR(ENOMEM);
4754 for (i = 0; i < 16; i++) {
4755 AV_WB32(track->vos_data + i * 4, palette[i]);
4757 track->vos_len = 16 * 4;
4759 st->codec->width = width;
4760 st->codec->height = track->height = height;
4765 static int mov_write_header(AVFormatContext *s)
4767 AVIOContext *pb = s->pb;
4768 MOVMuxContext *mov = s->priv_data;
4769 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
4770 int i, ret, hint_track = 0, tmcd_track = 0;
4774 /* Default mode == MP4 */
4775 mov->mode = MODE_MP4;
4778 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
4779 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
4780 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
4781 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
4782 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
4783 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
4784 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
4787 if (s->flags & AVFMT_FLAG_BITEXACT)
4790 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
4791 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV;
4793 /* Set the FRAGMENT flag if any of the fragmentation methods are
4795 if (mov->max_fragment_duration || mov->max_fragment_size ||
4796 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
4797 FF_MOV_FLAG_FRAG_KEYFRAME |
4798 FF_MOV_FLAG_FRAG_CUSTOM))
4799 mov->flags |= FF_MOV_FLAG_FRAGMENT;
4801 /* Set other implicit flags immediately */
4802 if (mov->mode == MODE_ISM)
4803 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
4804 FF_MOV_FLAG_FRAGMENT;
4805 if (mov->flags & FF_MOV_FLAG_DASH)
4806 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
4807 FF_MOV_FLAG_DEFAULT_BASE_MOOF;
4809 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
4810 mov->reserved_moov_size = -1;
4813 if (mov->use_editlist < 0) {
4814 mov->use_editlist = 1;
4815 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
4816 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
4817 // If we can avoid needing an edit list by shifting the
4818 // tracks, prefer that over (trying to) write edit lists
4819 // in fragmented output.
4820 if (s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO ||
4821 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO)
4822 mov->use_editlist = 0;
4825 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
4826 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV) && mov->use_editlist)
4827 av_log(s, AV_LOG_WARNING, "No meaningful edit list will be written when using empty_moov without delay_moov\n");
4829 if (!mov->use_editlist && s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO)
4830 s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_ZERO;
4832 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
4833 * is enabled, we don't support non-seekable output at all. */
4834 if (!s->pb->seekable &&
4835 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
4836 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
4837 return AVERROR(EINVAL);
4840 if (!(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
4841 if ((ret = mov_write_identification(pb, s)) < 0)
4845 mov->nb_streams = s->nb_streams;
4846 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
4847 mov->chapter_track = mov->nb_streams++;
4849 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
4850 /* Add hint tracks for each audio and video stream */
4851 hint_track = mov->nb_streams;
4852 for (i = 0; i < s->nb_streams; i++) {
4853 AVStream *st = s->streams[i];
4854 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
4855 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
4861 if (mov->mode == MODE_MOV) {
4862 tmcd_track = mov->nb_streams;
4864 /* +1 tmcd track for each video stream with a timecode */
4865 for (i = 0; i < s->nb_streams; i++) {
4866 AVStream *st = s->streams[i];
4867 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
4868 (global_tcr || av_dict_get(st->metadata, "timecode", NULL, 0)))
4869 mov->nb_meta_tmcd++;
4872 /* check if there is already a tmcd track to remux */
4873 if (mov->nb_meta_tmcd) {
4874 for (i = 0; i < s->nb_streams; i++) {
4875 AVStream *st = s->streams[i];
4876 if (st->codec->codec_tag == MKTAG('t','m','c','d')) {
4877 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
4878 "so timecode metadata are now ignored\n");
4879 mov->nb_meta_tmcd = 0;
4884 mov->nb_streams += mov->nb_meta_tmcd;
4887 // Reserve an extra stream for chapters for the case where chapters
4888 // are written in the trailer
4889 mov->tracks = av_mallocz_array((mov->nb_streams + 1), sizeof(*mov->tracks));
4891 return AVERROR(ENOMEM);
4893 for (i = 0; i < s->nb_streams; i++) {
4894 AVStream *st= s->streams[i];
4895 MOVTrack *track= &mov->tracks[i];
4896 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
4899 track->enc = st->codec;
4900 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
4901 if (track->language < 0)
4902 track->language = 0;
4903 track->mode = mov->mode;
4904 track->tag = mov_find_codec_tag(s, track);
4906 av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, "
4907 "codec not currently supported in container\n",
4908 avcodec_get_name(st->codec->codec_id), i);
4909 ret = AVERROR(EINVAL);
4912 /* If hinting of this track is enabled by a later hint track,
4913 * this is updated. */
4914 track->hint_track = -1;
4915 track->start_dts = AV_NOPTS_VALUE;
4916 track->start_cts = AV_NOPTS_VALUE;
4917 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
4918 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
4919 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
4920 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
4921 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
4922 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
4923 ret = AVERROR(EINVAL);
4926 track->height = track->tag >> 24 == 'n' ? 486 : 576;
4928 if (mov->video_track_timescale) {
4929 track->timescale = mov->video_track_timescale;
4931 track->timescale = st->time_base.den;
4932 while(track->timescale < 10000)
4933 track->timescale *= 2;
4935 if (st->codec->width > 65535 || st->codec->height > 65535) {
4936 av_log(s, AV_LOG_ERROR, "Resolution %dx%d too large for mov/mp4\n", st->codec->width, st->codec->height);
4937 ret = AVERROR(EINVAL);
4940 if (track->mode == MODE_MOV && track->timescale > 100000)
4941 av_log(s, AV_LOG_WARNING,
4942 "WARNING codec timebase is very high. If duration is too long,\n"
4943 "file may not be playable by quicktime. Specify a shorter timebase\n"
4944 "or choose different container.\n");
4945 } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
4946 track->timescale = st->codec->sample_rate;
4947 if (!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
4948 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
4949 track->audio_vbr = 1;
4950 }else if (st->codec->codec_id == AV_CODEC_ID_ADPCM_MS ||
4951 st->codec->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
4952 st->codec->codec_id == AV_CODEC_ID_ILBC){
4953 if (!st->codec->block_align) {
4954 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
4955 ret = AVERROR(EINVAL);
4958 track->sample_size = st->codec->block_align;
4959 }else if (st->codec->frame_size > 1){ /* assume compressed audio */
4960 track->audio_vbr = 1;
4962 track->sample_size = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
4964 if (st->codec->codec_id == AV_CODEC_ID_ILBC ||
4965 st->codec->codec_id == AV_CODEC_ID_ADPCM_IMA_QT) {
4966 track->audio_vbr = 1;
4968 if (track->mode != MODE_MOV &&
4969 track->enc->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
4970 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
4971 i, track->enc->sample_rate);
4972 ret = AVERROR(EINVAL);
4975 } else if (st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
4976 track->timescale = st->time_base.den;
4977 } else if (st->codec->codec_type == AVMEDIA_TYPE_DATA) {
4978 track->timescale = st->time_base.den;
4980 track->timescale = MOV_TIMESCALE;
4983 track->height = st->codec->height;
4984 /* The ism specific timescale isn't mandatory, but is assumed by
4985 * some tools, such as mp4split. */
4986 if (mov->mode == MODE_ISM)
4987 track->timescale = 10000000;
4989 avpriv_set_pts_info(st, 64, 1, track->timescale);
4991 /* copy extradata if it exists */
4992 if (st->codec->extradata_size) {
4993 if (st->codec->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
4994 mov_create_dvd_sub_decoder_specific_info(track, st);
4995 else if (!TAG_IS_AVCI(track->tag) && st->codec->codec_id != AV_CODEC_ID_DNXHD) {
4996 track->vos_len = st->codec->extradata_size;
4997 track->vos_data = av_malloc(track->vos_len);
4998 if (!track->vos_data) {
4999 ret = AVERROR(ENOMEM);
5002 memcpy(track->vos_data, st->codec->extradata, track->vos_len);
5007 for (i = 0; i < s->nb_streams; i++) {
5009 AVStream *st= s->streams[i];
5010 MOVTrack *track= &mov->tracks[i];
5012 if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO ||
5013 track->enc->channel_layout != AV_CH_LAYOUT_MONO)
5016 for (j = 0; j < s->nb_streams; j++) {
5017 AVStream *stj= s->streams[j];
5018 MOVTrack *trackj= &mov->tracks[j];
5022 if (stj->codec->codec_type != AVMEDIA_TYPE_AUDIO ||
5023 trackj->enc->channel_layout != AV_CH_LAYOUT_MONO ||
5024 trackj->language != track->language ||
5025 trackj->tag != track->tag
5028 track->multichannel_as_mono++;
5035 if (mov->reserved_moov_size){
5036 mov->reserved_moov_pos= avio_tell(pb);
5037 if (mov->reserved_moov_size > 0)
5038 avio_skip(pb, mov->reserved_moov_size);
5041 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
5042 /* If no fragmentation options have been set, set a default. */
5043 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
5044 FF_MOV_FLAG_FRAG_CUSTOM)) &&
5045 !mov->max_fragment_duration && !mov->max_fragment_size)
5046 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
5048 if (mov->flags & FF_MOV_FLAG_FASTSTART)
5049 mov->reserved_moov_pos = avio_tell(pb);
5050 mov_write_mdat_tag(pb, mov);
5053 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
5054 mov->time = ff_iso8601_to_unix_time(t->value);
5056 mov->time += 0x7C25B080; // 1970 based -> 1904 based
5058 if (mov->chapter_track)
5059 if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0)
5062 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
5063 /* Initialize the hint tracks for each audio and video stream */
5064 for (i = 0; i < s->nb_streams; i++) {
5065 AVStream *st = s->streams[i];
5066 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
5067 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
5068 if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0)
5075 if (mov->nb_meta_tmcd) {
5076 /* Initialize the tmcd tracks */
5077 for (i = 0; i < s->nb_streams; i++) {
5078 AVStream *st = s->streams[i];
5081 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
5083 t = av_dict_get(st->metadata, "timecode", NULL, 0);
5086 if ((ret = mov_create_timecode_track(s, tmcd_track, i, t->value)) < 0)
5095 if (mov->flags & FF_MOV_FLAG_ISML)
5096 mov_write_isml_manifest(pb, mov);
5098 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
5099 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
5100 if ((ret = mov_write_moov_tag(pb, mov, s)) < 0)
5103 if (mov->flags & FF_MOV_FLAG_FASTSTART)
5104 mov->reserved_moov_pos = avio_tell(pb);
5113 static int get_moov_size(AVFormatContext *s)
5116 AVIOContext *moov_buf;
5117 MOVMuxContext *mov = s->priv_data;
5119 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
5121 if ((ret = mov_write_moov_tag(moov_buf, mov, s)) < 0)
5123 return ffio_close_null_buf(moov_buf);
5126 static int get_sidx_size(AVFormatContext *s)
5130 MOVMuxContext *mov = s->priv_data;
5132 if ((ret = ffio_open_null_buf(&buf)) < 0)
5134 mov_write_sidx_tags(buf, mov, -1, 0);
5135 return ffio_close_null_buf(buf);
5139 * This function gets the moov size if moved to the top of the file: the chunk
5140 * offset table can switch between stco (32-bit entries) to co64 (64-bit
5141 * entries) when the moov is moved to the beginning, so the size of the moov
5142 * would change. It also updates the chunk offset tables.
5144 static int compute_moov_size(AVFormatContext *s)
5146 int i, moov_size, moov_size2;
5147 MOVMuxContext *mov = s->priv_data;
5149 moov_size = get_moov_size(s);
5153 for (i = 0; i < mov->nb_streams; i++)
5154 mov->tracks[i].data_offset += moov_size;
5156 moov_size2 = get_moov_size(s);
5160 /* if the size changed, we just switched from stco to co64 and need to
5161 * update the offsets */
5162 if (moov_size2 != moov_size)
5163 for (i = 0; i < mov->nb_streams; i++)
5164 mov->tracks[i].data_offset += moov_size2 - moov_size;
5169 static int compute_sidx_size(AVFormatContext *s)
5172 MOVMuxContext *mov = s->priv_data;
5174 sidx_size = get_sidx_size(s);
5178 for (i = 0; i < mov->nb_streams; i++)
5179 mov->tracks[i].data_offset += sidx_size;
5184 static int shift_data(AVFormatContext *s)
5186 int ret = 0, moov_size;
5187 MOVMuxContext *mov = s->priv_data;
5188 int64_t pos, pos_end = avio_tell(s->pb);
5189 uint8_t *buf, *read_buf[2];
5190 int read_buf_id = 0;
5192 AVIOContext *read_pb;
5194 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
5195 moov_size = compute_sidx_size(s);
5197 moov_size = compute_moov_size(s);
5201 buf = av_malloc(moov_size * 2);
5203 return AVERROR(ENOMEM);
5205 read_buf[1] = buf + moov_size;
5207 /* Shift the data: the AVIO context of the output can only be used for
5208 * writing, so we re-open the same output, but for reading. It also avoids
5209 * a read/seek/write/seek back and forth. */
5211 ret = avio_open(&read_pb, s->filename, AVIO_FLAG_READ);
5213 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
5214 "the second pass (faststart)\n", s->filename);
5218 /* mark the end of the shift to up to the last data we wrote, and get ready
5220 pos_end = avio_tell(s->pb);
5221 avio_seek(s->pb, mov->reserved_moov_pos + moov_size, SEEK_SET);
5223 /* start reading at where the new moov will be placed */
5224 avio_seek(read_pb, mov->reserved_moov_pos, SEEK_SET);
5225 pos = avio_tell(read_pb);
5227 #define READ_BLOCK do { \
5228 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
5232 /* shift data by chunk of at most moov_size */
5237 n = read_size[read_buf_id];
5240 avio_write(s->pb, read_buf[read_buf_id], n);
5242 } while (pos < pos_end);
5243 avio_close(read_pb);
5250 static int mov_write_trailer(AVFormatContext *s)
5252 MOVMuxContext *mov = s->priv_data;
5253 AVIOContext *pb = s->pb;
5259 * Before actually writing the trailer, make sure that there are no
5260 * dangling subtitles, that need a terminating sample.
5262 for (i = 0; i < mov->nb_streams; i++) {
5263 MOVTrack *trk = &mov->tracks[i];
5264 if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
5265 !trk->last_sample_is_subtitle_end) {
5266 mov_write_subtitle_end_packet(s, i, trk->track_duration);
5267 trk->last_sample_is_subtitle_end = 1;
5271 // If there were no chapters when the header was written, but there
5272 // are chapters now, write them in the trailer. This only works
5273 // when we are not doing fragments.
5274 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
5275 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
5276 mov->chapter_track = mov->nb_streams++;
5277 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
5282 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
5283 moov_pos = avio_tell(pb);
5285 /* Write size of mdat tag */
5286 if (mov->mdat_size + 8 <= UINT32_MAX) {
5287 avio_seek(pb, mov->mdat_pos, SEEK_SET);
5288 avio_wb32(pb, mov->mdat_size + 8);
5290 /* overwrite 'wide' placeholder atom */
5291 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
5292 /* special value: real atom size will be 64 bit value after
5295 ffio_wfourcc(pb, "mdat");
5296 avio_wb64(pb, mov->mdat_size + 16);
5298 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_moov_pos : moov_pos, SEEK_SET);
5300 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
5301 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
5302 res = shift_data(s);
5304 avio_seek(pb, mov->reserved_moov_pos, SEEK_SET);
5305 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
5308 } else if (mov->reserved_moov_size > 0) {
5310 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
5312 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos);
5314 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
5315 res = AVERROR(EINVAL);
5318 avio_wb32(pb, size);
5319 ffio_wfourcc(pb, "free");
5320 ffio_fill(pb, 0, size - 8);
5321 avio_seek(pb, moov_pos, SEEK_SET);
5323 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
5328 mov_auto_flush_fragment(s);
5329 for (i = 0; i < mov->nb_streams; i++)
5330 mov->tracks[i].data_offset = 0;
5331 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
5332 av_log(s, AV_LOG_INFO, "Starting second pass: inserting sidx atoms\n");
5333 res = shift_data(s);
5335 int64_t end = avio_tell(pb);
5336 avio_seek(pb, mov->reserved_moov_pos, SEEK_SET);
5337 mov_write_sidx_tags(pb, mov, -1, 0);
5338 avio_seek(pb, end, SEEK_SET);
5339 mov_write_mfra_tag(pb, mov);
5342 mov_write_mfra_tag(pb, mov);
5352 #if CONFIG_MOV_MUXER
5354 AVOutputFormat ff_mov_muxer = {
5356 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
5357 .extensions = "mov",
5358 .priv_data_size = sizeof(MOVMuxContext),
5359 .audio_codec = AV_CODEC_ID_AAC,
5360 .video_codec = CONFIG_LIBX264_ENCODER ?
5361 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
5362 .write_header = mov_write_header,
5363 .write_packet = mov_write_packet,
5364 .write_trailer = mov_write_trailer,
5365 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
5366 .codec_tag = (const AVCodecTag* const []){
5367 ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0
5369 .priv_class = &mov_muxer_class,
5372 #if CONFIG_TGP_MUXER
5374 AVOutputFormat ff_tgp_muxer = {
5376 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
5377 .extensions = "3gp",
5378 .priv_data_size = sizeof(MOVMuxContext),
5379 .audio_codec = AV_CODEC_ID_AMR_NB,
5380 .video_codec = AV_CODEC_ID_H263,
5381 .write_header = mov_write_header,
5382 .write_packet = mov_write_packet,
5383 .write_trailer = mov_write_trailer,
5384 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
5385 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
5386 .priv_class = &tgp_muxer_class,
5389 #if CONFIG_MP4_MUXER
5391 AVOutputFormat ff_mp4_muxer = {
5393 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
5394 .mime_type = "application/mp4",
5395 .extensions = "mp4",
5396 .priv_data_size = sizeof(MOVMuxContext),
5397 .audio_codec = AV_CODEC_ID_AAC,
5398 .video_codec = CONFIG_LIBX264_ENCODER ?
5399 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
5400 .write_header = mov_write_header,
5401 .write_packet = mov_write_packet,
5402 .write_trailer = mov_write_trailer,
5403 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
5404 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
5405 .priv_class = &mp4_muxer_class,
5408 #if CONFIG_PSP_MUXER
5410 AVOutputFormat ff_psp_muxer = {
5412 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
5413 .extensions = "mp4,psp",
5414 .priv_data_size = sizeof(MOVMuxContext),
5415 .audio_codec = AV_CODEC_ID_AAC,
5416 .video_codec = CONFIG_LIBX264_ENCODER ?
5417 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
5418 .write_header = mov_write_header,
5419 .write_packet = mov_write_packet,
5420 .write_trailer = mov_write_trailer,
5421 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
5422 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
5423 .priv_class = &psp_muxer_class,
5426 #if CONFIG_TG2_MUXER
5428 AVOutputFormat ff_tg2_muxer = {
5430 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
5431 .extensions = "3g2",
5432 .priv_data_size = sizeof(MOVMuxContext),
5433 .audio_codec = AV_CODEC_ID_AMR_NB,
5434 .video_codec = AV_CODEC_ID_H263,
5435 .write_header = mov_write_header,
5436 .write_packet = mov_write_packet,
5437 .write_trailer = mov_write_trailer,
5438 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
5439 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
5440 .priv_class = &tg2_muxer_class,
5443 #if CONFIG_IPOD_MUXER
5445 AVOutputFormat ff_ipod_muxer = {
5447 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
5448 .mime_type = "application/mp4",
5449 .extensions = "m4v,m4a",
5450 .priv_data_size = sizeof(MOVMuxContext),
5451 .audio_codec = AV_CODEC_ID_AAC,
5452 .video_codec = AV_CODEC_ID_H264,
5453 .write_header = mov_write_header,
5454 .write_packet = mov_write_packet,
5455 .write_trailer = mov_write_trailer,
5456 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
5457 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
5458 .priv_class = &ipod_muxer_class,
5461 #if CONFIG_ISMV_MUXER
5463 AVOutputFormat ff_ismv_muxer = {
5465 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
5466 .mime_type = "application/mp4",
5467 .extensions = "ismv,isma",
5468 .priv_data_size = sizeof(MOVMuxContext),
5469 .audio_codec = AV_CODEC_ID_AAC,
5470 .video_codec = AV_CODEC_ID_H264,
5471 .write_header = mov_write_header,
5472 .write_packet = mov_write_packet,
5473 .write_trailer = mov_write_trailer,
5474 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
5475 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
5476 .priv_class = &ismv_muxer_class,
5479 #if CONFIG_F4V_MUXER
5481 AVOutputFormat ff_f4v_muxer = {
5483 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
5484 .mime_type = "application/f4v",
5485 .extensions = "f4v",
5486 .priv_data_size = sizeof(MOVMuxContext),
5487 .audio_codec = AV_CODEC_ID_AAC,
5488 .video_codec = AV_CODEC_ID_H264,
5489 .write_header = mov_write_header,
5490 .write_packet = mov_write_packet,
5491 .write_trailer = mov_write_trailer,
5492 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
5493 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
5494 .priv_class = &f4v_muxer_class,