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"
54 static const AVOption options[] = {
55 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
56 { "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" },
57 { "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 },
58 { "empty_moov", "Make the initial moov atom empty (not supported by QuickTime)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_EMPTY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
59 { "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" },
60 { "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" },
61 { "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" },
62 { "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" },
63 { "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" },
64 { "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" },
65 { "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" },
66 { "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" },
67 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
68 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_INT, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
69 { "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},
70 { "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},
71 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
72 { "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},
73 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
74 { "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},
75 { "use_editlist", "use edit list", offsetof(MOVMuxContext, use_editlist), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, 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 },
81 #define MOV_CLASS(flavor)\
82 static const AVClass flavor ## _muxer_class = {\
83 .class_name = #flavor " muxer",\
84 .item_name = av_default_item_name,\
86 .version = LIBAVUTIL_VERSION_INT,\
89 static int get_moov_size(AVFormatContext *s);
91 static int utf8len(const uint8_t *b)
96 GET_UTF8(val, *b++, return -1;)
102 //FIXME support 64 bit variant with wide placeholders
103 static int64_t update_size(AVIOContext *pb, int64_t pos)
105 int64_t curpos = avio_tell(pb);
106 avio_seek(pb, pos, SEEK_SET);
107 avio_wb32(pb, curpos - pos); /* rewrite size */
108 avio_seek(pb, curpos, SEEK_SET);
113 static int supports_edts(MOVMuxContext *mov)
115 // EDTS with fragments is tricky as we don't know the duration when its written
116 // also we might end up having to write the EDTS before the first packet, which would fail
117 return (mov->use_editlist<0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) || mov->use_editlist>0;
120 static int co64_required(const MOVTrack *track)
122 if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX)
127 /* Chunk offset atom */
128 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
131 int mode64 = co64_required(track); // use 32 bit size variant if possible
132 int64_t pos = avio_tell(pb);
133 avio_wb32(pb, 0); /* size */
135 ffio_wfourcc(pb, "co64");
137 ffio_wfourcc(pb, "stco");
138 avio_wb32(pb, 0); /* version & flags */
139 avio_wb32(pb, track->chunkCount); /* entry count */
140 for (i = 0; i < track->entry; i++) {
141 if (!track->cluster[i].chunkNum)
144 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
146 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
148 return update_size(pb, pos);
151 /* Sample size atom */
152 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
155 int i, j, entries = 0, tst = -1, oldtst = -1;
157 int64_t pos = avio_tell(pb);
158 avio_wb32(pb, 0); /* size */
159 ffio_wfourcc(pb, "stsz");
160 avio_wb32(pb, 0); /* version & flags */
162 for (i = 0; i < track->entry; i++) {
163 tst = track->cluster[i].size / track->cluster[i].entries;
164 if (oldtst != -1 && tst != oldtst)
167 entries += track->cluster[i].entries;
169 if (equalChunks && track->entry) {
170 int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0;
171 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
172 avio_wb32(pb, sSize); // sample size
173 avio_wb32(pb, entries); // sample count
175 avio_wb32(pb, 0); // sample size
176 avio_wb32(pb, entries); // sample count
177 for (i = 0; i < track->entry; i++) {
178 for (j = 0; j < track->cluster[i].entries; j++) {
179 avio_wb32(pb, track->cluster[i].size /
180 track->cluster[i].entries);
184 return update_size(pb, pos);
187 /* Sample to chunk atom */
188 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
190 int index = 0, oldval = -1, i;
191 int64_t entryPos, curpos;
193 int64_t pos = avio_tell(pb);
194 avio_wb32(pb, 0); /* size */
195 ffio_wfourcc(pb, "stsc");
196 avio_wb32(pb, 0); // version & flags
197 entryPos = avio_tell(pb);
198 avio_wb32(pb, track->chunkCount); // entry count
199 for (i = 0; i < track->entry; i++) {
200 if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum) {
201 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
202 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
203 avio_wb32(pb, 0x1); // sample description index
204 oldval = track->cluster[i].samples_in_chunk;
208 curpos = avio_tell(pb);
209 avio_seek(pb, entryPos, SEEK_SET);
210 avio_wb32(pb, index); // rewrite size
211 avio_seek(pb, curpos, SEEK_SET);
213 return update_size(pb, pos);
216 /* Sync sample atom */
217 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
219 int64_t curpos, entryPos;
221 int64_t pos = avio_tell(pb);
222 avio_wb32(pb, 0); // size
223 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
224 avio_wb32(pb, 0); // version & flags
225 entryPos = avio_tell(pb);
226 avio_wb32(pb, track->entry); // entry count
227 for (i = 0; i < track->entry; i++) {
228 if (track->cluster[i].flags & flag) {
229 avio_wb32(pb, i + 1);
233 curpos = avio_tell(pb);
234 avio_seek(pb, entryPos, SEEK_SET);
235 avio_wb32(pb, index); // rewrite size
236 avio_seek(pb, curpos, SEEK_SET);
237 return update_size(pb, pos);
240 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
242 avio_wb32(pb, 0x11); /* size */
243 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
244 else ffio_wfourcc(pb, "damr");
245 ffio_wfourcc(pb, "FFMP");
246 avio_w8(pb, 0); /* decoder version */
248 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
249 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
250 avio_w8(pb, 0x01); /* Frames per sample */
254 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
259 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
261 if (track->vos_len < 7)
265 ffio_wfourcc(pb, "dac3");
267 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
268 fscod = get_bits(&gbc, 2);
269 frmsizecod = get_bits(&gbc, 6);
270 bsid = get_bits(&gbc, 5);
271 bsmod = get_bits(&gbc, 3);
272 acmod = get_bits(&gbc, 3);
274 skip_bits(&gbc, 2); // dsurmod
276 if ((acmod & 1) && acmod != 1)
277 skip_bits(&gbc, 2); // cmixlev
279 skip_bits(&gbc, 2); // surmixlev
281 lfeon = get_bits1(&gbc);
283 init_put_bits(&pbc, buf, sizeof(buf));
284 put_bits(&pbc, 2, fscod);
285 put_bits(&pbc, 5, bsid);
286 put_bits(&pbc, 3, bsmod);
287 put_bits(&pbc, 3, acmod);
288 put_bits(&pbc, 1, lfeon);
289 put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code
290 put_bits(&pbc, 5, 0); // reserved
292 flush_put_bits(&pbc);
293 avio_write(pb, buf, sizeof(buf));
303 /* Layout of the EC3SpecificBox */
304 /* maximum bitrate */
306 /* number of independent substreams */
309 /* sample rate code (see ff_ac3_sample_rate_tab) 2 bits */
311 /* bit stream identification 5 bits */
313 /* one bit reserved */
314 /* audio service mixing (not supported yet) 1 bit */
315 /* bit stream mode 3 bits */
317 /* audio coding mode 3 bits */
319 /* sub woofer on 1 bit */
321 /* 3 bits reserved */
322 /* number of dependent substreams associated with this substream 4 bits */
324 /* channel locations of the dependent substream(s), if any, 9 bits */
326 /* if there is no dependent substream, then one bit reserved instead */
327 } substream[1]; /* TODO: support 8 independent substreams */
330 static int handle_eac3(MOVMuxContext *mov, AVPacket *pkt, MOVTrack *track)
333 AC3HeaderInfo tmp, *hdr = &tmp;
334 struct eac3_info *info;
337 if (!track->eac3_priv && !(track->eac3_priv = av_mallocz(sizeof(*info))))
338 return AVERROR(ENOMEM);
339 info = track->eac3_priv;
341 init_get_bits(&gbc, pkt->data, pkt->size * 8);
342 if (avpriv_ac3_parse_header2(&gbc, &hdr) < 0) {
343 /* drop the packets until we see a good one */
345 av_log(mov, AV_LOG_WARNING, "Dropping invalid packet from start of the stream\n");
348 return AVERROR_INVALIDDATA;
351 info->data_rate = FFMAX(info->data_rate, hdr->bit_rate / 1000);
352 num_blocks = hdr->num_blocks;
354 if (!info->ec3_done) {
355 /* AC-3 substream must be the first one */
356 if (hdr->bitstream_id <= 10 && hdr->substreamid != 0)
357 return AVERROR(EINVAL);
359 /* this should always be the case, given that our AC-3 parser
360 * concatenates dependent frames to their independent parent */
361 if (hdr->frame_type == EAC3_FRAME_TYPE_INDEPENDENT) {
362 /* substream ids must be incremental */
363 if (hdr->substreamid > info->num_ind_sub + 1)
364 return AVERROR(EINVAL);
366 if (hdr->substreamid == info->num_ind_sub + 1) {
367 //info->num_ind_sub++;
368 avpriv_request_sample(track->enc, "Multiple independent substreams");
369 return AVERROR_PATCHWELCOME;
370 } else if (hdr->substreamid < info->num_ind_sub ||
371 hdr->substreamid == 0 && info->substream[0].bsid) {
377 /* fill the info needed for the "dec3" atom */
378 info->substream[hdr->substreamid].fscod = hdr->sr_code;
379 info->substream[hdr->substreamid].bsid = hdr->bitstream_id;
380 info->substream[hdr->substreamid].bsmod = hdr->bitstream_mode;
381 info->substream[hdr->substreamid].acmod = hdr->channel_mode;
382 info->substream[hdr->substreamid].lfeon = hdr->lfe_on;
384 /* Parse dependent substream(s), if any */
385 if (pkt->size != hdr->frame_size) {
386 int cumul_size = hdr->frame_size;
387 int parent = hdr->substreamid;
389 while (cumul_size != pkt->size) {
391 init_get_bits(&gbc, pkt->data + cumul_size, (pkt->size - cumul_size) * 8);
392 if (avpriv_ac3_parse_header2(&gbc, &hdr) < 0)
393 return AVERROR_INVALIDDATA;
394 if (hdr->frame_type != EAC3_FRAME_TYPE_DEPENDENT)
395 return AVERROR(EINVAL);
396 cumul_size += hdr->frame_size;
397 info->substream[parent].num_dep_sub++;
399 /* header is parsed up to lfeon, but custom channel map may be needed */
402 /* skip volume control params */
403 for (i = 0; i < (hdr->channel_mode ? 1 : 2); i++) {
404 skip_bits(&gbc, 5); // skip dialog normalization
405 if (get_bits1(&gbc)) {
406 skip_bits(&gbc, 8); // skip compression gain word
409 /* get the dependent stream channel map, if exists */
411 info->substream[parent].chan_loc |= (get_bits(&gbc, 16) >> 5) & 0x1f;
413 info->substream[parent].chan_loc |= hdr->channel_mode;
419 if (!info->num_blocks && num_blocks == 6)
421 else if (info->num_blocks + num_blocks > 6)
422 return AVERROR_INVALIDDATA;
424 if (!info->num_blocks) {
426 if ((ret = av_copy_packet(&info->pkt, pkt)) < 0)
428 info->num_blocks = num_blocks;
432 if ((ret = av_grow_packet(&info->pkt, pkt->size)) < 0)
434 memcpy(info->pkt.data + info->pkt.size - pkt->size, pkt->data, pkt->size);
435 info->num_blocks += num_blocks;
436 info->pkt.duration += pkt->duration;
437 if ((ret = av_copy_packet_side_data(&info->pkt, pkt)) < 0)
439 if (info->num_blocks != 6)
442 if ((ret = av_copy_packet(pkt, &info->pkt)) < 0)
444 av_free_packet(&info->pkt);
445 info->num_blocks = 0;
451 static int mov_write_eac3_tag(AVIOContext *pb, MOVTrack *track)
455 struct eac3_info *info;
458 if (!track->eac3_priv)
459 return AVERROR(EINVAL);
461 info = track->eac3_priv;
462 size = 2 + 4 * (info->num_ind_sub + 1);
463 buf = av_malloc(size);
465 size = AVERROR(ENOMEM);
469 init_put_bits(&pbc, buf, size);
470 put_bits(&pbc, 13, info->data_rate);
471 put_bits(&pbc, 3, info->num_ind_sub);
472 for (i = 0; i <= info->num_ind_sub; i++) {
473 put_bits(&pbc, 2, info->substream[i].fscod);
474 put_bits(&pbc, 5, info->substream[i].bsid);
475 put_bits(&pbc, 1, 0); /* reserved */
476 put_bits(&pbc, 1, 0); /* asvc */
477 put_bits(&pbc, 3, info->substream[i].bsmod);
478 put_bits(&pbc, 3, info->substream[i].acmod);
479 put_bits(&pbc, 1, info->substream[i].lfeon);
480 put_bits(&pbc, 5, 0); /* reserved */
481 put_bits(&pbc, 4, info->substream[i].num_dep_sub);
482 if (!info->substream[i].num_dep_sub) {
483 put_bits(&pbc, 1, 0); /* reserved */
486 put_bits(&pbc, 9, info->substream[i].chan_loc);
489 flush_put_bits(&pbc);
491 avio_wb32(pb, size + 8);
492 ffio_wfourcc(pb, "dec3");
493 avio_write(pb, buf, size);
498 av_free_packet(&info->pkt);
499 av_freep(&track->eac3_priv);
505 * This function writes extradata "as is".
506 * Extradata must be formatted like a valid atom (with size and tag).
508 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
510 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
511 return track->enc->extradata_size;
514 static int mov_write_enda_tag(AVIOContext *pb)
517 ffio_wfourcc(pb, "enda");
518 avio_wb16(pb, 1); /* little endian */
522 static int mov_write_enda_tag_be(AVIOContext *pb)
525 ffio_wfourcc(pb, "enda");
526 avio_wb16(pb, 0); /* big endian */
530 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
535 avio_w8(pb, (size >> (7 * i)) | 0x80);
536 avio_w8(pb, size & 0x7F);
539 static unsigned compute_avg_bitrate(MOVTrack *track)
543 if (!track->track_duration)
545 for (i = 0; i < track->entry; i++)
546 size += track->cluster[i].size;
547 return size * 8 * track->timescale / track->track_duration;
550 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
552 int64_t pos = avio_tell(pb);
553 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
554 unsigned avg_bitrate;
556 avio_wb32(pb, 0); // size
557 ffio_wfourcc(pb, "esds");
558 avio_wb32(pb, 0); // Version
561 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
562 avio_wb16(pb, track->track_id);
563 avio_w8(pb, 0x00); // flags (= no flags)
565 // DecoderConfig descriptor
566 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
568 // Object type indication
569 if ((track->enc->codec_id == AV_CODEC_ID_MP2 ||
570 track->enc->codec_id == AV_CODEC_ID_MP3) &&
571 track->enc->sample_rate > 24000)
572 avio_w8(pb, 0x6B); // 11172-3
574 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
576 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
577 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
578 if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
579 avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
580 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
581 avio_w8(pb, 0x15); // flags (= Audiostream)
583 avio_w8(pb, 0x11); // flags (= Visualstream)
585 avio_wb24(pb, track->enc->rc_buffer_size >> 3); // Buffersize DB
587 avg_bitrate = compute_avg_bitrate(track);
588 // maxbitrate (FIXME should be max rate in any 1 sec window)
589 avio_wb32(pb, FFMAX3(track->enc->bit_rate, track->enc->rc_max_rate, avg_bitrate));
590 avio_wb32(pb, avg_bitrate);
592 if (track->vos_len) {
593 // DecoderSpecific info descriptor
594 put_descr(pb, 0x05, track->vos_len);
595 avio_write(pb, track->vos_data, track->vos_len);
599 put_descr(pb, 0x06, 1);
601 return update_size(pb, pos);
604 static int mov_pcm_le_gt16(enum AVCodecID codec_id)
606 return codec_id == AV_CODEC_ID_PCM_S24LE ||
607 codec_id == AV_CODEC_ID_PCM_S32LE ||
608 codec_id == AV_CODEC_ID_PCM_F32LE ||
609 codec_id == AV_CODEC_ID_PCM_F64LE;
612 static int mov_pcm_be_gt16(enum AVCodecID codec_id)
614 return codec_id == AV_CODEC_ID_PCM_S24BE ||
615 codec_id == AV_CODEC_ID_PCM_S32BE ||
616 codec_id == AV_CODEC_ID_PCM_F32BE ||
617 codec_id == AV_CODEC_ID_PCM_F64BE;
620 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
623 int64_t pos = avio_tell(pb);
625 avio_wl32(pb, track->tag); // store it byteswapped
626 track->enc->codec_tag = av_bswap16(track->tag >> 16);
627 if ((ret = ff_put_wav_header(pb, track->enc, 0)) < 0)
629 return update_size(pb, pos);
632 static int mov_write_wfex_tag(AVIOContext *pb, MOVTrack *track)
635 int64_t pos = avio_tell(pb);
637 ffio_wfourcc(pb, "wfex");
638 if ((ret = ff_put_wav_header(pb, track->enc, FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX)) < 0)
640 return update_size(pb, pos);
643 static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
645 uint32_t layout_tag, bitmap;
646 int64_t pos = avio_tell(pb);
648 layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
649 track->enc->channel_layout,
652 av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
653 "lack of channel information\n");
657 if (track->multichannel_as_mono)
660 avio_wb32(pb, 0); // Size
661 ffio_wfourcc(pb, "chan"); // Type
662 avio_w8(pb, 0); // Version
663 avio_wb24(pb, 0); // Flags
664 avio_wb32(pb, layout_tag); // mChannelLayoutTag
665 avio_wb32(pb, bitmap); // mChannelBitmap
666 avio_wb32(pb, 0); // mNumberChannelDescriptions
668 return update_size(pb, pos);
671 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
673 int64_t pos = avio_tell(pb);
675 avio_wb32(pb, 0); /* size */
676 ffio_wfourcc(pb, "wave");
678 if (track->enc->codec_id != AV_CODEC_ID_QDM2) {
679 avio_wb32(pb, 12); /* size */
680 ffio_wfourcc(pb, "frma");
681 avio_wl32(pb, track->tag);
684 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
685 /* useless atom needed by mplayer, ipod, not needed by quicktime */
686 avio_wb32(pb, 12); /* size */
687 ffio_wfourcc(pb, "mp4a");
689 mov_write_esds_tag(pb, track);
690 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
691 mov_write_enda_tag(pb);
692 } else if (mov_pcm_be_gt16(track->enc->codec_id)) {
693 mov_write_enda_tag_be(pb);
694 } else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB) {
695 mov_write_amr_tag(pb, track);
696 } else if (track->enc->codec_id == AV_CODEC_ID_AC3) {
697 mov_write_ac3_tag(pb, track);
698 } else if (track->enc->codec_id == AV_CODEC_ID_EAC3) {
699 mov_write_eac3_tag(pb, track);
700 } else if (track->enc->codec_id == AV_CODEC_ID_ALAC ||
701 track->enc->codec_id == AV_CODEC_ID_QDM2) {
702 mov_write_extradata_tag(pb, track);
703 } else if (track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
704 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
705 mov_write_ms_tag(pb, track);
708 avio_wb32(pb, 8); /* size */
709 avio_wb32(pb, 0); /* null tag */
711 return update_size(pb, pos);
714 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
717 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
718 int unescaped_size, seq_found = 0;
719 int level = 0, interlace = 0;
720 int packet_seq = track->vc1_info.packet_seq;
721 int packet_entry = track->vc1_info.packet_entry;
722 int slices = track->vc1_info.slices;
725 if (track->start_dts == AV_NOPTS_VALUE) {
726 /* No packets written yet, vc1_info isn't authoritative yet. */
727 /* Assume inline sequence and entry headers. This will be
728 * overwritten at the end if the file is seekable. */
729 packet_seq = packet_entry = 1;
732 unescaped = av_mallocz(track->vos_len + FF_INPUT_BUFFER_PADDING_SIZE);
734 return AVERROR(ENOMEM);
735 start = find_next_marker(track->vos_data, end);
736 for (next = start; next < end; start = next) {
739 next = find_next_marker(start + 4, end);
740 size = next - start - 4;
743 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
744 init_get_bits(&gb, unescaped, 8 * unescaped_size);
745 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
746 int profile = get_bits(&gb, 2);
747 if (profile != PROFILE_ADVANCED) {
749 return AVERROR(ENOSYS);
752 level = get_bits(&gb, 3);
753 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
755 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
756 skip_bits(&gb, 1); /* broadcast */
757 interlace = get_bits1(&gb);
758 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
763 return AVERROR(ENOSYS);
766 init_put_bits(&pbc, buf, 7);
767 /* VC1DecSpecStruc */
768 put_bits(&pbc, 4, 12); /* profile - advanced */
769 put_bits(&pbc, 3, level);
770 put_bits(&pbc, 1, 0); /* reserved */
771 /* VC1AdvDecSpecStruc */
772 put_bits(&pbc, 3, level);
773 put_bits(&pbc, 1, 0); /* cbr */
774 put_bits(&pbc, 6, 0); /* reserved */
775 put_bits(&pbc, 1, !interlace); /* no interlace */
776 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
777 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
778 put_bits(&pbc, 1, !slices); /* no slice code */
779 put_bits(&pbc, 1, 0); /* no bframe */
780 put_bits(&pbc, 1, 0); /* reserved */
783 if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0)
784 put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den);
786 put_bits32(&pbc, 0xffffffff);
788 flush_put_bits(&pbc);
795 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
797 uint8_t buf[7] = { 0 };
800 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
803 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
804 ffio_wfourcc(pb, "dvc1");
805 track->vc1_info.struct_offset = avio_tell(pb);
806 avio_write(pb, buf, sizeof(buf));
807 avio_write(pb, track->vos_data, track->vos_len);
812 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
814 avio_wb32(pb, track->vos_len + 8);
815 ffio_wfourcc(pb, "glbl");
816 avio_write(pb, track->vos_data, track->vos_len);
817 return 8 + track->vos_len;
821 * Compute flags for 'lpcm' tag.
822 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
824 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
827 case AV_CODEC_ID_PCM_F32BE:
828 case AV_CODEC_ID_PCM_F64BE:
830 case AV_CODEC_ID_PCM_F32LE:
831 case AV_CODEC_ID_PCM_F64LE:
833 case AV_CODEC_ID_PCM_U8:
835 case AV_CODEC_ID_PCM_S16BE:
836 case AV_CODEC_ID_PCM_S24BE:
837 case AV_CODEC_ID_PCM_S32BE:
839 case AV_CODEC_ID_PCM_S8:
840 case AV_CODEC_ID_PCM_S16LE:
841 case AV_CODEC_ID_PCM_S24LE:
842 case AV_CODEC_ID_PCM_S32LE:
849 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
853 if (cluster_idx >= track->entry)
856 if (cluster_idx + 1 == track->entry)
857 next_dts = track->track_duration + track->start_dts;
859 next_dts = track->cluster[cluster_idx + 1].dts;
861 next_dts -= track->cluster[cluster_idx].dts;
863 av_assert0(next_dts >= 0);
864 av_assert0(next_dts <= INT_MAX);
869 static int get_samples_per_packet(MOVTrack *track)
871 int i, first_duration;
873 // return track->enc->frame_size;
875 /* use 1 for raw PCM */
876 if (!track->audio_vbr)
879 /* check to see if duration is constant for all clusters */
882 first_duration = get_cluster_duration(track, 0);
883 for (i = 1; i < track->entry; i++) {
884 if (get_cluster_duration(track, i) != first_duration)
887 return first_duration;
890 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
892 int64_t pos = avio_tell(pb);
894 uint32_t tag = track->tag;
896 if (track->mode == MODE_MOV) {
897 if (track->timescale > UINT16_MAX) {
898 if (mov_get_lpcm_flags(track->enc->codec_id))
899 tag = AV_RL32("lpcm");
901 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
902 mov_pcm_be_gt16(track->enc->codec_id) ||
903 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
904 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
905 track->enc->codec_id == AV_CODEC_ID_QDM2) {
910 avio_wb32(pb, 0); /* size */
911 avio_wl32(pb, tag); // store it byteswapped
912 avio_wb32(pb, 0); /* Reserved */
913 avio_wb16(pb, 0); /* Reserved */
914 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
916 /* SoundDescription */
917 avio_wb16(pb, version); /* Version */
918 avio_wb16(pb, 0); /* Revision level */
919 avio_wb32(pb, 0); /* Reserved */
924 avio_wb16(pb, 0xfffe);
926 avio_wb32(pb, 0x00010000);
928 avio_wb64(pb, av_double2int(track->enc->sample_rate));
929 avio_wb32(pb, track->enc->channels);
930 avio_wb32(pb, 0x7F000000);
931 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
932 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
933 avio_wb32(pb, track->sample_size);
934 avio_wb32(pb, get_samples_per_packet(track));
936 if (track->mode == MODE_MOV) {
937 avio_wb16(pb, track->enc->channels);
938 if (track->enc->codec_id == AV_CODEC_ID_PCM_U8 ||
939 track->enc->codec_id == AV_CODEC_ID_PCM_S8)
940 avio_wb16(pb, 8); /* bits per sample */
941 else if (track->enc->codec_id == AV_CODEC_ID_ADPCM_G726)
942 avio_wb16(pb, track->enc->bits_per_coded_sample);
945 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
946 } else { /* reserved for mp4/3gp */
952 avio_wb16(pb, 0); /* packet size (= 0) */
953 avio_wb16(pb, track->enc->sample_rate <= UINT16_MAX ?
954 track->enc->sample_rate : 0);
955 avio_wb16(pb, 0); /* Reserved */
958 if (version == 1) { /* SoundDescription V1 extended info */
959 if (mov_pcm_le_gt16(track->enc->codec_id) ||
960 mov_pcm_be_gt16(track->enc->codec_id))
961 avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
963 avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
964 avio_wb32(pb, track->sample_size / track->enc->channels); /* Bytes per packet */
965 avio_wb32(pb, track->sample_size); /* Bytes per frame */
966 avio_wb32(pb, 2); /* Bytes per sample */
969 if (track->mode == MODE_MOV &&
970 (track->enc->codec_id == AV_CODEC_ID_AAC ||
971 track->enc->codec_id == AV_CODEC_ID_AC3 ||
972 track->enc->codec_id == AV_CODEC_ID_EAC3 ||
973 track->enc->codec_id == AV_CODEC_ID_AMR_NB ||
974 track->enc->codec_id == AV_CODEC_ID_ALAC ||
975 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
976 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
977 track->enc->codec_id == AV_CODEC_ID_QDM2 ||
978 (mov_pcm_le_gt16(track->enc->codec_id) && version==1) ||
979 (mov_pcm_be_gt16(track->enc->codec_id) && version==1)))
980 mov_write_wave_tag(pb, track);
981 else if (track->tag == MKTAG('m','p','4','a'))
982 mov_write_esds_tag(pb, track);
983 else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB)
984 mov_write_amr_tag(pb, track);
985 else if (track->enc->codec_id == AV_CODEC_ID_AC3)
986 mov_write_ac3_tag(pb, track);
987 else if (track->enc->codec_id == AV_CODEC_ID_EAC3)
988 mov_write_eac3_tag(pb, track);
989 else if (track->enc->codec_id == AV_CODEC_ID_ALAC)
990 mov_write_extradata_tag(pb, track);
991 else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO)
992 mov_write_wfex_tag(pb, track);
993 else if (track->vos_len > 0)
994 mov_write_glbl_tag(pb, track);
996 if (track->mode == MODE_MOV && track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
997 mov_write_chan_tag(pb, track);
999 return update_size(pb, pos);
1002 static int mov_write_d263_tag(AVIOContext *pb)
1004 avio_wb32(pb, 0xf); /* size */
1005 ffio_wfourcc(pb, "d263");
1006 ffio_wfourcc(pb, "FFMP");
1007 avio_w8(pb, 0); /* decoder version */
1008 /* FIXME use AVCodecContext level/profile, when encoder will set values */
1009 avio_w8(pb, 0xa); /* level */
1010 avio_w8(pb, 0); /* profile */
1014 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
1016 int64_t pos = avio_tell(pb);
1019 ffio_wfourcc(pb, "avcC");
1020 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
1021 return update_size(pb, pos);
1024 static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
1026 int64_t pos = avio_tell(pb);
1029 ffio_wfourcc(pb, "hvcC");
1030 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
1031 return update_size(pb, pos);
1034 /* also used by all avid codecs (dv, imx, meridien) and their variants */
1035 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
1038 avio_wb32(pb, 24); /* size */
1039 ffio_wfourcc(pb, "ACLR");
1040 ffio_wfourcc(pb, "ACLR");
1041 ffio_wfourcc(pb, "0001");
1042 if (track->enc->color_range == AVCOL_RANGE_MPEG) { /* Legal range (16-235) */
1043 avio_wb32(pb, 1); /* Corresponds to 709 in official encoder */
1044 } else { /* Full range (0-255) */
1045 avio_wb32(pb, 2); /* Corresponds to RGB in official encoder */
1047 avio_wb32(pb, 0); /* unknown */
1049 avio_wb32(pb, 24); /* size */
1050 ffio_wfourcc(pb, "APRG");
1051 ffio_wfourcc(pb, "APRG");
1052 ffio_wfourcc(pb, "0001");
1053 avio_wb32(pb, 1); /* unknown */
1054 avio_wb32(pb, 0); /* unknown */
1056 avio_wb32(pb, 120); /* size */
1057 ffio_wfourcc(pb, "ARES");
1058 ffio_wfourcc(pb, "ARES");
1059 ffio_wfourcc(pb, "0001");
1060 avio_wb32(pb, AV_RB32(track->vos_data + 0x28)); /* dnxhd cid, some id ? */
1061 avio_wb32(pb, track->enc->width);
1062 /* values below are based on samples created with quicktime and avid codecs */
1063 if (track->vos_data[5] & 2) { // interlaced
1064 avio_wb32(pb, track->enc->height / 2);
1065 avio_wb32(pb, 2); /* unknown */
1066 avio_wb32(pb, 0); /* unknown */
1067 avio_wb32(pb, 4); /* unknown */
1069 avio_wb32(pb, track->enc->height);
1070 avio_wb32(pb, 1); /* unknown */
1071 avio_wb32(pb, 0); /* unknown */
1072 if (track->enc->height == 1080)
1073 avio_wb32(pb, 5); /* unknown */
1075 avio_wb32(pb, 6); /* unknown */
1078 for (i = 0; i < 10; i++)
1081 /* extra padding for stsd needed */
1086 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1088 int tag = track->enc->codec_tag;
1090 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
1093 if (track->enc->codec_id == AV_CODEC_ID_H264) tag = MKTAG('a','v','c','1');
1094 else if (track->enc->codec_id == AV_CODEC_ID_HEVC) tag = MKTAG('h','e','v','1');
1095 else if (track->enc->codec_id == AV_CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
1096 else if (track->enc->codec_id == AV_CODEC_ID_EAC3) tag = MKTAG('e','c','-','3');
1097 else if (track->enc->codec_id == AV_CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
1098 else if (track->enc->codec_id == AV_CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
1099 else if (track->enc->codec_id == AV_CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
1100 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
1101 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
1102 else if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE) tag = MKTAG('m','p','4','s');
1107 static const AVCodecTag codec_ipod_tags[] = {
1108 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1109 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
1110 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1111 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
1112 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
1113 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
1114 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
1115 { AV_CODEC_ID_NONE, 0 },
1118 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1120 int tag = track->enc->codec_tag;
1122 // keep original tag for subs, ipod supports both formats
1123 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
1124 (tag == MKTAG('t', 'x', '3', 'g') ||
1125 tag == MKTAG('t', 'e', 'x', 't'))))
1126 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
1128 if (!av_match_ext(s->filename, "m4a") &&
1129 !av_match_ext(s->filename, "m4b") &&
1130 !av_match_ext(s->filename, "m4v"))
1131 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a, .m4v nor .m4b "
1132 "Quicktime/Ipod might not play the file\n");
1137 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
1141 if (track->enc->width == 720) { /* SD */
1142 if (track->enc->height == 480) { /* NTSC */
1143 if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
1144 else tag = MKTAG('d','v','c',' ');
1145 }else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
1146 else if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
1147 else tag = MKTAG('d','v','p','p');
1148 } else if (track->enc->height == 720) { /* HD 720 line */
1149 if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q');
1150 else tag = MKTAG('d','v','h','p');
1151 } else if (track->enc->height == 1080) { /* HD 1080 line */
1152 if (track->st->time_base.den == 25) tag = MKTAG('d','v','h','5');
1153 else tag = MKTAG('d','v','h','6');
1155 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
1162 static AVRational find_fps(AVFormatContext *s, AVStream *st)
1164 AVRational rate = {st->codec->time_base.den, st->codec->time_base.num};
1165 /* if the codec time base makes no sense, try to fallback on stream frame rate */
1166 if (av_timecode_check_frame_rate(rate) < 0) {
1167 av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
1168 rate.num, rate.den, st->avg_frame_rate.num, st->avg_frame_rate.den);
1169 rate = st->avg_frame_rate;
1175 static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext *s, MOVTrack *track)
1177 int tag = track->enc->codec_tag;
1178 int interlaced = track->enc->field_order > AV_FIELD_PROGRESSIVE;
1179 AVStream *st = track->st;
1180 int rate = av_q2d(find_fps(s, st));
1183 tag = MKTAG('m', '2', 'v', '1'); //fallback tag
1185 if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) {
1186 if (track->enc->width == 1280 && track->enc->height == 720) {
1188 if (rate == 24) tag = MKTAG('x','d','v','4');
1189 else if (rate == 25) tag = MKTAG('x','d','v','5');
1190 else if (rate == 30) tag = MKTAG('x','d','v','1');
1191 else if (rate == 50) tag = MKTAG('x','d','v','a');
1192 else if (rate == 60) tag = MKTAG('x','d','v','9');
1194 } else if (track->enc->width == 1440 && track->enc->height == 1080) {
1196 if (rate == 24) tag = MKTAG('x','d','v','6');
1197 else if (rate == 25) tag = MKTAG('x','d','v','7');
1198 else if (rate == 30) tag = MKTAG('x','d','v','8');
1200 if (rate == 25) tag = MKTAG('x','d','v','3');
1201 else if (rate == 30) tag = MKTAG('x','d','v','2');
1203 } else if (track->enc->width == 1920 && track->enc->height == 1080) {
1205 if (rate == 24) tag = MKTAG('x','d','v','d');
1206 else if (rate == 25) tag = MKTAG('x','d','v','e');
1207 else if (rate == 30) tag = MKTAG('x','d','v','f');
1209 if (rate == 25) tag = MKTAG('x','d','v','c');
1210 else if (rate == 30) tag = MKTAG('x','d','v','b');
1213 } else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) {
1214 if (track->enc->width == 1280 && track->enc->height == 720) {
1216 if (rate == 24) tag = MKTAG('x','d','5','4');
1217 else if (rate == 25) tag = MKTAG('x','d','5','5');
1218 else if (rate == 30) tag = MKTAG('x','d','5','1');
1219 else if (rate == 50) tag = MKTAG('x','d','5','a');
1220 else if (rate == 60) tag = MKTAG('x','d','5','9');
1222 } else if (track->enc->width == 1920 && track->enc->height == 1080) {
1224 if (rate == 24) tag = MKTAG('x','d','5','d');
1225 else if (rate == 25) tag = MKTAG('x','d','5','e');
1226 else if (rate == 30) tag = MKTAG('x','d','5','f');
1228 if (rate == 25) tag = MKTAG('x','d','5','c');
1229 else if (rate == 30) tag = MKTAG('x','d','5','b');
1237 static int mov_get_h264_codec_tag(AVFormatContext *s, MOVTrack *track)
1239 int tag = track->enc->codec_tag;
1240 int interlaced = track->enc->field_order > AV_FIELD_PROGRESSIVE;
1241 AVStream *st = track->st;
1242 int rate = av_q2d(find_fps(s, st));
1245 tag = MKTAG('a', 'v', 'c', 'i'); //fallback tag
1247 if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P10) {
1248 if (track->enc->width == 960 && track->enc->height == 720) {
1250 if (rate == 24) tag = MKTAG('a','i','5','p');
1251 else if (rate == 25) tag = MKTAG('a','i','5','q');
1252 else if (rate == 30) tag = MKTAG('a','i','5','p');
1253 else if (rate == 50) tag = MKTAG('a','i','5','q');
1254 else if (rate == 60) tag = MKTAG('a','i','5','p');
1256 } else if (track->enc->width == 1440 && track->enc->height == 1080) {
1258 if (rate == 24) tag = MKTAG('a','i','5','3');
1259 else if (rate == 25) tag = MKTAG('a','i','5','2');
1260 else if (rate == 30) tag = MKTAG('a','i','5','3');
1262 if (rate == 50) tag = MKTAG('a','i','5','5');
1263 else if (rate == 60) tag = MKTAG('a','i','5','6');
1266 } else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P10) {
1267 if (track->enc->width == 1280 && track->enc->height == 720) {
1269 if (rate == 24) tag = MKTAG('a','i','1','p');
1270 else if (rate == 25) tag = MKTAG('a','i','1','q');
1271 else if (rate == 30) tag = MKTAG('a','i','1','p');
1272 else if (rate == 50) tag = MKTAG('a','i','1','q');
1273 else if (rate == 60) tag = MKTAG('a','i','1','p');
1275 } else if (track->enc->width == 1920 && track->enc->height == 1080) {
1277 if (rate == 24) tag = MKTAG('a','i','1','3');
1278 else if (rate == 25) tag = MKTAG('a','i','1','2');
1279 else if (rate == 30) tag = MKTAG('a','i','1','3');
1281 if (rate == 25) tag = MKTAG('a','i','1','5');
1282 else if (rate == 50) tag = MKTAG('a','i','1','5');
1283 else if (rate == 60) tag = MKTAG('a','i','1','6');
1291 static const struct {
1292 enum AVPixelFormat pix_fmt;
1295 } mov_pix_fmt_tags[] = {
1296 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
1297 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
1298 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
1299 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
1300 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
1301 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
1302 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
1303 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
1304 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
1305 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
1306 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
1307 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
1308 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
1309 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
1310 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
1313 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
1315 int tag = track->enc->codec_tag;
1317 enum AVPixelFormat pix_fmt;
1319 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
1320 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
1321 tag = mov_pix_fmt_tags[i].tag;
1322 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
1323 if (track->enc->codec_tag == mov_pix_fmt_tags[i].tag)
1328 pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_mov,
1329 track->enc->bits_per_coded_sample);
1330 if (tag == MKTAG('r','a','w',' ') &&
1331 track->enc->pix_fmt != pix_fmt &&
1332 track->enc->pix_fmt != AV_PIX_FMT_NONE)
1333 av_log(s, AV_LOG_ERROR, "%s rawvideo cannot be written to mov, output file will be unreadable\n",
1334 av_get_pix_fmt_name(track->enc->pix_fmt));
1338 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1340 int tag = track->enc->codec_tag;
1342 if (!tag || (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
1343 (track->enc->codec_id == AV_CODEC_ID_DVVIDEO ||
1344 track->enc->codec_id == AV_CODEC_ID_RAWVIDEO ||
1345 track->enc->codec_id == AV_CODEC_ID_H263 ||
1346 track->enc->codec_id == AV_CODEC_ID_H264 ||
1347 track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
1348 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
1349 if (track->enc->codec_id == AV_CODEC_ID_DVVIDEO)
1350 tag = mov_get_dv_codec_tag(s, track);
1351 else if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO)
1352 tag = mov_get_rawvideo_codec_tag(s, track);
1353 else if (track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO)
1354 tag = mov_get_mpeg2_xdcam_codec_tag(s, track);
1355 else if (track->enc->codec_id == AV_CODEC_ID_H264)
1356 tag = mov_get_h264_codec_tag(s, track);
1357 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1358 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->enc->codec_id);
1359 if (!tag) { // if no mac fcc found, try with Microsoft tags
1360 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
1362 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
1363 "the file may be unplayable!\n");
1365 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1366 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->enc->codec_id);
1367 if (!tag) { // if no mac fcc found, try with Microsoft tags
1368 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
1370 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
1371 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
1372 "the file may be unplayable!\n");
1375 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1376 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
1382 static const AVCodecTag codec_3gp_tags[] = {
1383 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
1384 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1385 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
1386 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1387 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
1388 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
1389 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
1390 { AV_CODEC_ID_NONE, 0 },
1393 static const AVCodecTag codec_f4v_tags[] = { // XXX: add GIF/PNG/JPEG?
1394 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
1395 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1396 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1397 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
1398 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
1399 { AV_CODEC_ID_NONE, 0 },
1402 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
1406 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
1407 tag = mp4_get_codec_tag(s, track);
1408 else if (track->mode == MODE_ISM) {
1409 tag = mp4_get_codec_tag(s, track);
1410 if (!tag && track->enc->codec_id == AV_CODEC_ID_WMAPRO)
1411 tag = MKTAG('w', 'm', 'a', ' ');
1412 } else if (track->mode == MODE_IPOD)
1413 tag = ipod_get_codec_tag(s, track);
1414 else if (track->mode & MODE_3GP)
1415 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
1416 else if (track->mode == MODE_F4V)
1417 tag = ff_codec_get_tag(codec_f4v_tags, track->enc->codec_id);
1419 tag = mov_get_codec_tag(s, track);
1424 /** Write uuid atom.
1425 * Needed to make file play in iPods running newest firmware
1426 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1428 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1431 ffio_wfourcc(pb, "uuid");
1432 avio_wb32(pb, 0x6b6840f2);
1433 avio_wb32(pb, 0x5f244fc5);
1434 avio_wb32(pb, 0xba39a51b);
1435 avio_wb32(pb, 0xcf0323f3);
1440 static const uint16_t fiel_data[] = {
1441 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1444 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
1446 unsigned mov_field_order = 0;
1447 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
1448 mov_field_order = fiel_data[track->enc->field_order];
1452 ffio_wfourcc(pb, "fiel");
1453 avio_wb16(pb, mov_field_order);
1457 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1459 int64_t pos = avio_tell(pb);
1460 avio_wb32(pb, 0); /* size */
1461 avio_wl32(pb, track->tag); // store it byteswapped
1462 avio_wb32(pb, 0); /* Reserved */
1463 avio_wb16(pb, 0); /* Reserved */
1464 avio_wb16(pb, 1); /* Data-reference index */
1466 if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
1467 mov_write_esds_tag(pb, track);
1468 else if (track->enc->extradata_size)
1469 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1471 return update_size(pb, pos);
1474 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1477 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
1478 track->enc->sample_aspect_ratio.den, INT_MAX);
1481 ffio_wfourcc(pb, "pasp");
1482 avio_wb32(pb, sar.num);
1483 avio_wb32(pb, sar.den);
1487 static void find_compressor(char * compressor_name, int len, MOVTrack *track)
1489 AVDictionaryEntry *encoder;
1490 int xdcam_res = (track->enc->width == 1280 && track->enc->height == 720)
1491 || (track->enc->width == 1440 && track->enc->height == 1080)
1492 || (track->enc->width == 1920 && track->enc->height == 1080);
1494 if (track->mode == MODE_MOV &&
1495 (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0))) {
1496 av_strlcpy(compressor_name, encoder->value, 32);
1497 } else if (track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) {
1498 int interlaced = track->enc->field_order > AV_FIELD_PROGRESSIVE;
1499 AVStream *st = track->st;
1500 int rate = av_q2d(find_fps(NULL, st));
1501 av_strlcatf(compressor_name, len, "XDCAM");
1502 if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) {
1503 av_strlcatf(compressor_name, len, " HD422");
1504 } else if(track->enc->width == 1440) {
1505 av_strlcatf(compressor_name, len, " HD");
1507 av_strlcatf(compressor_name, len, " EX");
1509 av_strlcatf(compressor_name, len, " %d%c", track->enc->height, interlaced ? 'i' : 'p');
1511 av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1));
1515 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
1517 int64_t pos = avio_tell(pb);
1518 char compressor_name[32] = { 0 };
1520 avio_wb32(pb, 0); /* size */
1521 avio_wl32(pb, track->tag); // store it byteswapped
1522 avio_wb32(pb, 0); /* Reserved */
1523 avio_wb16(pb, 0); /* Reserved */
1524 avio_wb16(pb, 1); /* Data-reference index */
1526 avio_wb16(pb, 0); /* Codec stream version */
1527 avio_wb16(pb, 0); /* Codec stream revision (=0) */
1528 if (track->mode == MODE_MOV) {
1529 ffio_wfourcc(pb, "FFMP"); /* Vendor */
1530 if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO) {
1531 avio_wb32(pb, 0); /* Temporal Quality */
1532 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1534 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1535 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1538 avio_wb32(pb, 0); /* Reserved */
1539 avio_wb32(pb, 0); /* Reserved */
1540 avio_wb32(pb, 0); /* Reserved */
1542 avio_wb16(pb, track->enc->width); /* Video width */
1543 avio_wb16(pb, track->height); /* Video height */
1544 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1545 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1546 avio_wb32(pb, 0); /* Data size (= 0) */
1547 avio_wb16(pb, 1); /* Frame count (= 1) */
1549 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1550 find_compressor(compressor_name, 32, track);
1551 avio_w8(pb, strlen(compressor_name));
1552 avio_write(pb, compressor_name, 31);
1554 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
1555 avio_wb16(pb, track->enc->bits_per_coded_sample);
1557 avio_wb16(pb, 0x18); /* Reserved */
1558 avio_wb16(pb, 0xffff); /* Reserved */
1559 if (track->tag == MKTAG('m','p','4','v'))
1560 mov_write_esds_tag(pb, track);
1561 else if (track->enc->codec_id == AV_CODEC_ID_H263)
1562 mov_write_d263_tag(pb);
1563 else if (track->enc->codec_id == AV_CODEC_ID_AVUI ||
1564 track->enc->codec_id == AV_CODEC_ID_SVQ3) {
1565 mov_write_extradata_tag(pb, track);
1567 } else if (track->enc->codec_id == AV_CODEC_ID_DNXHD)
1568 mov_write_avid_tag(pb, track);
1569 else if (track->enc->codec_id == AV_CODEC_ID_HEVC)
1570 mov_write_hvcc_tag(pb, track);
1571 else if (track->enc->codec_id == AV_CODEC_ID_H264 && !TAG_IS_AVCI(track->tag)) {
1572 mov_write_avcc_tag(pb, track);
1573 if (track->mode == MODE_IPOD)
1574 mov_write_uuid_tag_ipod(pb);
1575 } else if (track->enc->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
1576 mov_write_dvc1_tag(pb, track);
1577 else if (track->enc->codec_id == AV_CODEC_ID_VP6F ||
1578 track->enc->codec_id == AV_CODEC_ID_VP6A) {
1579 /* Don't write any potential extradata here - the cropping
1580 * is signalled via the normal width/height fields. */
1581 } else if (track->vos_len > 0)
1582 mov_write_glbl_tag(pb, track);
1584 if (track->enc->codec_id != AV_CODEC_ID_H264 &&
1585 track->enc->codec_id != AV_CODEC_ID_MPEG4 &&
1586 track->enc->codec_id != AV_CODEC_ID_DNXHD)
1587 if (track->enc->field_order != AV_FIELD_UNKNOWN)
1588 mov_write_fiel_tag(pb, track);
1590 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
1591 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
1592 mov_write_pasp_tag(pb, track);
1595 return update_size(pb, pos);
1598 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1600 int64_t pos = avio_tell(pb);
1601 avio_wb32(pb, 0); /* size */
1602 ffio_wfourcc(pb, "rtp ");
1603 avio_wb32(pb, 0); /* Reserved */
1604 avio_wb16(pb, 0); /* Reserved */
1605 avio_wb16(pb, 1); /* Data-reference index */
1607 avio_wb16(pb, 1); /* Hint track version */
1608 avio_wb16(pb, 1); /* Highest compatible version */
1609 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1611 avio_wb32(pb, 12); /* size */
1612 ffio_wfourcc(pb, "tims");
1613 avio_wb32(pb, track->timescale);
1615 return update_size(pb, pos);
1618 static int mov_write_source_reference_tag(AVIOContext *pb, MOVTrack *track, const char *reel_name)
1620 uint64_t str_size =strlen(reel_name);
1621 int64_t pos = avio_tell(pb);
1623 if (str_size >= UINT16_MAX){
1624 av_log(NULL, AV_LOG_ERROR, "reel_name length %"PRIu64" is too large\n", str_size);
1626 return AVERROR(EINVAL);
1629 avio_wb32(pb, 0); /* size */
1630 ffio_wfourcc(pb, "name"); /* Data format */
1631 avio_wb16(pb, str_size); /* string size */
1632 avio_wb16(pb, track->language); /* langcode */
1633 avio_write(pb, reel_name, str_size); /* reel name */
1634 return update_size(pb,pos);
1637 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
1639 int64_t pos = avio_tell(pb);
1641 int frame_duration = av_rescale(track->timescale, track->enc->time_base.num, track->enc->time_base.den);
1642 int nb_frames = 1.0/av_q2d(track->enc->time_base) + 0.5;
1643 AVDictionaryEntry *t = NULL;
1645 if (nb_frames > 255) {
1646 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
1647 return AVERROR(EINVAL);
1650 avio_wb32(pb, 0); /* size */
1651 ffio_wfourcc(pb, "tmcd"); /* Data format */
1652 avio_wb32(pb, 0); /* Reserved */
1653 avio_wb32(pb, 1); /* Data reference index */
1654 avio_wb32(pb, 0); /* Flags */
1655 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
1656 avio_wb32(pb, track->timescale); /* Timescale */
1657 avio_wb32(pb, frame_duration); /* Frame duration */
1658 avio_w8(pb, nb_frames); /* Number of frames */
1659 avio_w8(pb, 0); /* Reserved */
1662 t = av_dict_get(track->st->metadata, "reel_name", NULL, 0);
1664 if (t && utf8len(t->value))
1665 mov_write_source_reference_tag(pb, track, t->value);
1667 avio_wb16(pb, 0); /* zero size */
1670 avio_wb32(pb, 0); /* size */
1671 ffio_wfourcc(pb, "tmcd"); /* Data format */
1672 avio_wb32(pb, 0); /* Reserved */
1673 avio_wb32(pb, 1); /* Data reference index */
1674 if (track->enc->extradata_size)
1675 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1677 return update_size(pb, pos);
1680 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
1682 int64_t pos = avio_tell(pb);
1683 avio_wb32(pb, 0); /* size */
1684 ffio_wfourcc(pb, "stsd");
1685 avio_wb32(pb, 0); /* version & flags */
1686 avio_wb32(pb, 1); /* entry count */
1687 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1688 mov_write_video_tag(pb, track);
1689 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1690 mov_write_audio_tag(pb, track);
1691 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1692 mov_write_subtitle_tag(pb, track);
1693 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
1694 mov_write_rtp_tag(pb, track);
1695 else if (track->enc->codec_tag == MKTAG('t','m','c','d'))
1696 mov_write_tmcd_tag(pb, track);
1697 return update_size(pb, pos);
1700 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1702 MOVStts *ctts_entries;
1703 uint32_t entries = 0;
1707 ctts_entries = av_malloc_array((track->entry + 1), sizeof(*ctts_entries)); /* worst case */
1708 ctts_entries[0].count = 1;
1709 ctts_entries[0].duration = track->cluster[0].cts;
1710 for (i = 1; i < track->entry; i++) {
1711 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1712 ctts_entries[entries].count++; /* compress */
1715 ctts_entries[entries].duration = track->cluster[i].cts;
1716 ctts_entries[entries].count = 1;
1719 entries++; /* last one */
1720 atom_size = 16 + (entries * 8);
1721 avio_wb32(pb, atom_size); /* size */
1722 ffio_wfourcc(pb, "ctts");
1723 avio_wb32(pb, 0); /* version & flags */
1724 avio_wb32(pb, entries); /* entry count */
1725 for (i = 0; i < entries; i++) {
1726 avio_wb32(pb, ctts_entries[i].count);
1727 avio_wb32(pb, ctts_entries[i].duration);
1729 av_free(ctts_entries);
1733 /* Time to sample atom */
1734 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1736 MOVStts *stts_entries;
1737 uint32_t entries = -1;
1741 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
1742 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
1743 stts_entries[0].count = track->sample_count;
1744 stts_entries[0].duration = 1;
1747 stts_entries = track->entry ?
1748 av_malloc_array(track->entry, sizeof(*stts_entries)) : /* worst case */
1750 for (i = 0; i < track->entry; i++) {
1751 int duration = get_cluster_duration(track, i);
1752 if (i && duration == stts_entries[entries].duration) {
1753 stts_entries[entries].count++; /* compress */
1756 stts_entries[entries].duration = duration;
1757 stts_entries[entries].count = 1;
1760 entries++; /* last one */
1762 atom_size = 16 + (entries * 8);
1763 avio_wb32(pb, atom_size); /* size */
1764 ffio_wfourcc(pb, "stts");
1765 avio_wb32(pb, 0); /* version & flags */
1766 avio_wb32(pb, entries); /* entry count */
1767 for (i = 0; i < entries; i++) {
1768 avio_wb32(pb, stts_entries[i].count);
1769 avio_wb32(pb, stts_entries[i].duration);
1771 av_free(stts_entries);
1775 static int mov_write_dref_tag(AVIOContext *pb)
1777 avio_wb32(pb, 28); /* size */
1778 ffio_wfourcc(pb, "dref");
1779 avio_wb32(pb, 0); /* version & flags */
1780 avio_wb32(pb, 1); /* entry count */
1782 avio_wb32(pb, 0xc); /* size */
1783 //FIXME add the alis and rsrc atom
1784 ffio_wfourcc(pb, "url ");
1785 avio_wb32(pb, 1); /* version & flags */
1790 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1792 int64_t pos = avio_tell(pb);
1793 avio_wb32(pb, 0); /* size */
1794 ffio_wfourcc(pb, "stbl");
1795 mov_write_stsd_tag(pb, track);
1796 mov_write_stts_tag(pb, track);
1797 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1798 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1799 track->has_keyframes && track->has_keyframes < track->entry)
1800 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1801 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1802 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1803 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1804 track->flags & MOV_TRACK_CTTS)
1805 mov_write_ctts_tag(pb, track);
1806 mov_write_stsc_tag(pb, track);
1807 mov_write_stsz_tag(pb, track);
1808 mov_write_stco_tag(pb, track);
1809 return update_size(pb, pos);
1812 static int mov_write_dinf_tag(AVIOContext *pb)
1814 int64_t pos = avio_tell(pb);
1815 avio_wb32(pb, 0); /* size */
1816 ffio_wfourcc(pb, "dinf");
1817 mov_write_dref_tag(pb);
1818 return update_size(pb, pos);
1821 static int mov_write_nmhd_tag(AVIOContext *pb)
1824 ffio_wfourcc(pb, "nmhd");
1829 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
1831 int64_t pos = avio_tell(pb);
1832 const char *font = "Lucida Grande";
1833 avio_wb32(pb, 0); /* size */
1834 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
1835 avio_wb32(pb, 0); /* version & flags */
1836 avio_wb16(pb, 0); /* text font */
1837 avio_wb16(pb, 0); /* text face */
1838 avio_wb16(pb, 12); /* text size */
1839 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
1840 avio_wb16(pb, 0x0000); /* text color (red) */
1841 avio_wb16(pb, 0x0000); /* text color (green) */
1842 avio_wb16(pb, 0x0000); /* text color (blue) */
1843 avio_wb16(pb, 0xffff); /* background color (red) */
1844 avio_wb16(pb, 0xffff); /* background color (green) */
1845 avio_wb16(pb, 0xffff); /* background color (blue) */
1846 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
1847 avio_write(pb, font, strlen(font)); /* font name */
1848 return update_size(pb, pos);
1851 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
1853 int64_t pos = avio_tell(pb);
1854 avio_wb32(pb, 0); /* size */
1855 ffio_wfourcc(pb, "gmhd");
1856 avio_wb32(pb, 0x18); /* gmin size */
1857 ffio_wfourcc(pb, "gmin");/* generic media info */
1858 avio_wb32(pb, 0); /* version & flags */
1859 avio_wb16(pb, 0x40); /* graphics mode = */
1860 avio_wb16(pb, 0x8000); /* opColor (r?) */
1861 avio_wb16(pb, 0x8000); /* opColor (g?) */
1862 avio_wb16(pb, 0x8000); /* opColor (b?) */
1863 avio_wb16(pb, 0); /* balance */
1864 avio_wb16(pb, 0); /* reserved */
1867 * This special text atom is required for
1868 * Apple Quicktime chapters. The contents
1869 * don't appear to be documented, so the
1870 * bytes are copied verbatim.
1872 if (track->tag != MKTAG('c','6','0','8')) {
1873 avio_wb32(pb, 0x2C); /* size */
1874 ffio_wfourcc(pb, "text");
1875 avio_wb16(pb, 0x01);
1876 avio_wb32(pb, 0x00);
1877 avio_wb32(pb, 0x00);
1878 avio_wb32(pb, 0x00);
1879 avio_wb32(pb, 0x01);
1880 avio_wb32(pb, 0x00);
1881 avio_wb32(pb, 0x00);
1882 avio_wb32(pb, 0x00);
1883 avio_wb32(pb, 0x00004000);
1884 avio_wb16(pb, 0x0000);
1887 if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1888 int64_t tmcd_pos = avio_tell(pb);
1889 avio_wb32(pb, 0); /* size */
1890 ffio_wfourcc(pb, "tmcd");
1891 mov_write_tcmi_tag(pb, track);
1892 update_size(pb, tmcd_pos);
1894 return update_size(pb, pos);
1897 static int mov_write_smhd_tag(AVIOContext *pb)
1899 avio_wb32(pb, 16); /* size */
1900 ffio_wfourcc(pb, "smhd");
1901 avio_wb32(pb, 0); /* version & flags */
1902 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1903 avio_wb16(pb, 0); /* reserved */
1907 static int mov_write_vmhd_tag(AVIOContext *pb)
1909 avio_wb32(pb, 0x14); /* size (always 0x14) */
1910 ffio_wfourcc(pb, "vmhd");
1911 avio_wb32(pb, 0x01); /* version & flags */
1912 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1916 static int is_clcp_track(MOVTrack *track)
1918 return track->tag == MKTAG('c','7','0','8') ||
1919 track->tag == MKTAG('c','6','0','8');
1922 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1924 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1925 int64_t pos = avio_tell(pb);
1929 descr = "DataHandler";
1932 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1933 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1935 descr = "VideoHandler";
1936 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1938 descr = "SoundHandler";
1939 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1940 if (is_clcp_track(track)) {
1942 descr = "ClosedCaptionHandler";
1944 if (track->tag == MKTAG('t','x','3','g')) {
1946 } else if (track->tag == MKTAG('m','p','4','s')) {
1951 descr = "SubtitleHandler";
1953 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1955 descr = "HintHandler";
1956 } else if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1958 descr = "TimeCodeHandler";
1961 av_get_codec_tag_string(tag_buf, sizeof(tag_buf),
1962 track->enc->codec_tag);
1964 av_log(track->enc, AV_LOG_WARNING,
1965 "Unknown hldr_type for %s / 0x%04X, writing dummy values\n",
1966 tag_buf, track->enc->codec_tag);
1969 // hdlr.name is used by some players to identify the content title
1970 // of the track. So if an alternate handler description is
1971 // specified, use it.
1972 AVDictionaryEntry *t;
1973 t = av_dict_get(track->st->metadata, "handler", NULL, 0);
1974 if (t && utf8len(t->value))
1979 avio_wb32(pb, 0); /* size */
1980 ffio_wfourcc(pb, "hdlr");
1981 avio_wb32(pb, 0); /* Version & flags */
1982 avio_write(pb, hdlr, 4); /* handler */
1983 ffio_wfourcc(pb, hdlr_type); /* handler type */
1984 avio_wb32(pb, 0); /* reserved */
1985 avio_wb32(pb, 0); /* reserved */
1986 avio_wb32(pb, 0); /* reserved */
1987 if (!track || track->mode == MODE_MOV)
1988 avio_w8(pb, strlen(descr)); /* pascal string */
1989 avio_write(pb, descr, strlen(descr)); /* handler description */
1990 if (track && track->mode != MODE_MOV)
1991 avio_w8(pb, 0); /* c string */
1992 return update_size(pb, pos);
1995 static int mov_write_hmhd_tag(AVIOContext *pb)
1997 /* This atom must be present, but leaving the values at zero
1998 * seems harmless. */
1999 avio_wb32(pb, 28); /* size */
2000 ffio_wfourcc(pb, "hmhd");
2001 avio_wb32(pb, 0); /* version, flags */
2002 avio_wb16(pb, 0); /* maxPDUsize */
2003 avio_wb16(pb, 0); /* avgPDUsize */
2004 avio_wb32(pb, 0); /* maxbitrate */
2005 avio_wb32(pb, 0); /* avgbitrate */
2006 avio_wb32(pb, 0); /* reserved */
2010 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
2012 int64_t pos = avio_tell(pb);
2013 avio_wb32(pb, 0); /* size */
2014 ffio_wfourcc(pb, "minf");
2015 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
2016 mov_write_vmhd_tag(pb);
2017 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
2018 mov_write_smhd_tag(pb);
2019 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2020 if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
2021 mov_write_gmhd_tag(pb, track);
2023 mov_write_nmhd_tag(pb);
2025 } else if (track->tag == MKTAG('r','t','p',' ')) {
2026 mov_write_hmhd_tag(pb);
2027 } else if (track->tag == MKTAG('t','m','c','d')) {
2028 mov_write_gmhd_tag(pb, track);
2030 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
2031 mov_write_hdlr_tag(pb, NULL);
2032 mov_write_dinf_tag(pb);
2033 mov_write_stbl_tag(pb, track);
2034 return update_size(pb, pos);
2037 static int mov_write_mdhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2040 int version = track->track_duration < INT32_MAX ? 0 : 1;
2042 if (track->mode == MODE_ISM)
2045 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
2046 ffio_wfourcc(pb, "mdhd");
2047 avio_w8(pb, version);
2048 avio_wb24(pb, 0); /* flags */
2050 avio_wb64(pb, track->time);
2051 avio_wb64(pb, track->time);
2053 avio_wb32(pb, track->time); /* creation time */
2054 avio_wb32(pb, track->time); /* modification time */
2056 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
2057 if (!track->entry && mov->mode == MODE_ISM)
2058 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2059 else if (!track->entry)
2060 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2062 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
2063 avio_wb16(pb, track->language); /* language */
2064 avio_wb16(pb, 0); /* reserved (quality) */
2066 if (version != 0 && track->mode == MODE_MOV) {
2067 av_log(NULL, AV_LOG_ERROR,
2068 "FATAL error, file duration too long for timebase, this file will not be\n"
2069 "playable with quicktime. Choose a different timebase or a different\n"
2070 "container format\n");
2076 static int mov_write_mdia_tag(AVIOContext *pb, MOVMuxContext *mov,
2079 int64_t pos = avio_tell(pb);
2080 avio_wb32(pb, 0); /* size */
2081 ffio_wfourcc(pb, "mdia");
2082 mov_write_mdhd_tag(pb, mov, track);
2083 mov_write_hdlr_tag(pb, track);
2084 mov_write_minf_tag(pb, track);
2085 return update_size(pb, pos);
2088 /* transformation matrix
2092 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
2093 int16_t d, int16_t tx, int16_t ty)
2095 avio_wb32(pb, a << 16); /* 16.16 format */
2096 avio_wb32(pb, b << 16); /* 16.16 format */
2097 avio_wb32(pb, 0); /* u in 2.30 format */
2098 avio_wb32(pb, c << 16); /* 16.16 format */
2099 avio_wb32(pb, d << 16); /* 16.16 format */
2100 avio_wb32(pb, 0); /* v in 2.30 format */
2101 avio_wb32(pb, tx << 16); /* 16.16 format */
2102 avio_wb32(pb, ty << 16); /* 16.16 format */
2103 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
2106 static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2107 MOVTrack *track, AVStream *st)
2109 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
2110 track->timescale, AV_ROUND_UP);
2111 int version = duration < INT32_MAX ? 0 : 1;
2112 int flags = MOV_TKHD_FLAG_IN_MOVIE;
2118 if (mov->per_stream_grouping)
2121 group = st->codec->codec_type;
2124 if (track->flags & MOV_TRACK_ENABLED)
2125 flags |= MOV_TKHD_FLAG_ENABLED;
2127 if (track->mode == MODE_ISM)
2130 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
2131 ffio_wfourcc(pb, "tkhd");
2132 avio_w8(pb, version);
2133 avio_wb24(pb, flags);
2135 avio_wb64(pb, track->time);
2136 avio_wb64(pb, track->time);
2138 avio_wb32(pb, track->time); /* creation time */
2139 avio_wb32(pb, track->time); /* modification time */
2141 avio_wb32(pb, track->track_id); /* track-id */
2142 avio_wb32(pb, 0); /* reserved */
2143 if (!track->entry && mov->mode == MODE_ISM)
2144 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2145 else if (!track->entry)
2146 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2148 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
2150 avio_wb32(pb, 0); /* reserved */
2151 avio_wb32(pb, 0); /* reserved */
2152 avio_wb16(pb, 0); /* layer */
2153 avio_wb16(pb, group); /* alternate group) */
2154 /* Volume, only for audio */
2155 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
2156 avio_wb16(pb, 0x0100);
2159 avio_wb16(pb, 0); /* reserved */
2161 /* Matrix structure */
2162 if (st && st->metadata) {
2163 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
2164 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
2166 if (rotation == 90) {
2167 write_matrix(pb, 0, 1, -1, 0, track->enc->height, 0);
2168 } else if (rotation == 180) {
2169 write_matrix(pb, -1, 0, 0, -1, track->enc->width, track->enc->height);
2170 } else if (rotation == 270) {
2171 write_matrix(pb, 0, -1, 1, 0, 0, track->enc->width);
2173 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2175 /* Track width and height, for visual only */
2176 if (st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
2177 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
2178 if (track->mode == MODE_MOV) {
2179 avio_wb32(pb, track->enc->width << 16);
2180 avio_wb32(pb, track->height << 16);
2182 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
2183 if (!sample_aspect_ratio || track->height != track->enc->height)
2184 sample_aspect_ratio = 1;
2185 avio_wb32(pb, sample_aspect_ratio * track->enc->width * 0x10000);
2186 avio_wb32(pb, track->height * 0x10000);
2195 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
2197 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
2198 track->enc->sample_aspect_ratio.den);
2200 int64_t pos = avio_tell(pb);
2202 avio_wb32(pb, 0); /* size */
2203 ffio_wfourcc(pb, "tapt");
2206 ffio_wfourcc(pb, "clef");
2208 avio_wb32(pb, width << 16);
2209 avio_wb32(pb, track->enc->height << 16);
2212 ffio_wfourcc(pb, "prof");
2214 avio_wb32(pb, width << 16);
2215 avio_wb32(pb, track->enc->height << 16);
2218 ffio_wfourcc(pb, "enof");
2220 avio_wb32(pb, track->enc->width << 16);
2221 avio_wb32(pb, track->enc->height << 16);
2223 return update_size(pb, pos);
2226 // This box seems important for the psp playback ... without it the movie seems to hang
2227 static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov,
2230 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
2231 track->timescale, AV_ROUND_UP);
2232 int version = duration < INT32_MAX ? 0 : 1;
2233 int entry_size, entry_count, size;
2234 int64_t delay, start_ct = track->cluster[0].cts;
2235 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
2236 track->timescale, AV_ROUND_DOWN);
2237 version |= delay < INT32_MAX ? 0 : 1;
2239 entry_size = (version == 1) ? 20 : 12;
2240 entry_count = 1 + (delay > 0);
2241 size = 24 + entry_count * entry_size;
2243 /* write the atom data */
2244 avio_wb32(pb, size);
2245 ffio_wfourcc(pb, "edts");
2246 avio_wb32(pb, size - 8);
2247 ffio_wfourcc(pb, "elst");
2248 avio_w8(pb, version);
2249 avio_wb24(pb, 0); /* flags */
2251 avio_wb32(pb, entry_count);
2252 if (delay > 0) { /* add an empty edit to delay presentation */
2253 /* In the positive delay case, the delay includes the cts
2254 * offset, and the second edit list entry below trims out
2255 * the same amount from the actual content. This makes sure
2256 * that the offsetted last sample is included in the edit
2257 * list duration as well. */
2259 avio_wb64(pb, delay);
2262 avio_wb32(pb, delay);
2265 avio_wb32(pb, 0x00010000);
2267 /* Avoid accidentally ending up with start_ct = -1 which has got a
2268 * special meaning. Normally start_ct should end up positive or zero
2269 * here, but use FFMIN in case dts is a a small positive integer
2270 * rounded to 0 when represented in MOV_TIMESCALE units. */
2271 av_assert0(av_rescale_rnd(track->cluster[0].dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
2272 start_ct = -FFMIN(track->cluster[0].dts, 0);
2273 /* Note, this delay is calculated from the pts of the first sample,
2274 * ensuring that we don't reduce the duration for cases with
2279 /* For fragmented files, we don't know the full length yet. Setting
2280 * duration to 0 allows us to only specify the offset, including
2281 * the rest of the content (from all future fragments) without specifying
2282 * an explicit duration. */
2283 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2288 avio_wb64(pb, duration);
2289 avio_wb64(pb, start_ct);
2291 avio_wb32(pb, duration);
2292 avio_wb32(pb, start_ct);
2294 avio_wb32(pb, 0x00010000);
2298 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
2300 avio_wb32(pb, 20); // size
2301 ffio_wfourcc(pb, "tref");
2302 avio_wb32(pb, 12); // size (subatom)
2303 avio_wl32(pb, track->tref_tag);
2304 avio_wb32(pb, track->tref_id);
2308 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
2309 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
2311 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
2312 ffio_wfourcc(pb, "uuid");
2313 ffio_wfourcc(pb, "USMT");
2314 avio_wb32(pb, 0x21d24fce);
2315 avio_wb32(pb, 0xbb88695c);
2316 avio_wb32(pb, 0xfac9c740);
2317 avio_wb32(pb, 0x1c); // another size here!
2318 ffio_wfourcc(pb, "MTDT");
2319 avio_wb32(pb, 0x00010012);
2320 avio_wb32(pb, 0x0a);
2321 avio_wb32(pb, 0x55c40000);
2327 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
2329 AVFormatContext *ctx = track->rtp_ctx;
2330 char buf[1000] = "";
2333 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
2334 NULL, NULL, 0, 0, ctx);
2335 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
2338 avio_wb32(pb, len + 24);
2339 ffio_wfourcc(pb, "udta");
2340 avio_wb32(pb, len + 16);
2341 ffio_wfourcc(pb, "hnti");
2342 avio_wb32(pb, len + 8);
2343 ffio_wfourcc(pb, "sdp ");
2344 avio_write(pb, buf, len);
2348 static int mov_write_track_metadata(AVIOContext *pb, AVStream *st,
2349 const char *tag, const char *str)
2351 int64_t pos = avio_tell(pb);
2352 AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
2353 if (!t || !utf8len(t->value))
2356 avio_wb32(pb, 0); /* size */
2357 ffio_wfourcc(pb, tag); /* type */
2358 avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
2359 return update_size(pb, pos);
2362 static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
2365 AVIOContext *pb_buf;
2369 if (!st || mov->fc->flags & AVFMT_FLAG_BITEXACT)
2372 ret = avio_open_dyn_buf(&pb_buf);
2376 if (mov->mode & MODE_MP4)
2377 mov_write_track_metadata(pb_buf, st, "name", "title");
2379 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2380 avio_wb32(pb, size + 8);
2381 ffio_wfourcc(pb, "udta");
2382 avio_write(pb, buf, size);
2389 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
2390 MOVTrack *track, AVStream *st)
2392 int64_t pos = avio_tell(pb);
2393 avio_wb32(pb, 0); /* size */
2394 ffio_wfourcc(pb, "trak");
2395 mov_write_tkhd_tag(pb, mov, track, st);
2396 if (supports_edts(mov))
2397 mov_write_edts_tag(pb, mov, track); // PSP Movies and several other cases require edts box
2398 if (track->tref_tag)
2399 mov_write_tref_tag(pb, track);
2400 mov_write_mdia_tag(pb, mov, track);
2401 if (track->mode == MODE_PSP)
2402 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
2403 if (track->tag == MKTAG('r','t','p',' '))
2404 mov_write_udta_sdp(pb, track);
2405 if (track->mode == MODE_MOV) {
2406 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2407 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
2408 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio) {
2409 mov_write_tapt_tag(pb, track);
2412 if (is_clcp_track(track) && st->sample_aspect_ratio.num) {
2413 mov_write_tapt_tag(pb, track);
2416 mov_write_track_udta_tag(pb, mov, st);
2417 return update_size(pb, pos);
2420 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
2422 int i, has_audio = 0, has_video = 0;
2423 int64_t pos = avio_tell(pb);
2424 int audio_profile = mov->iods_audio_profile;
2425 int video_profile = mov->iods_video_profile;
2426 for (i = 0; i < mov->nb_streams; i++) {
2427 if (mov->tracks[i].entry > 0) {
2428 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
2429 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
2432 if (audio_profile < 0)
2433 audio_profile = 0xFF - has_audio;
2434 if (video_profile < 0)
2435 video_profile = 0xFF - has_video;
2436 avio_wb32(pb, 0x0); /* size */
2437 ffio_wfourcc(pb, "iods");
2438 avio_wb32(pb, 0); /* version & flags */
2439 put_descr(pb, 0x10, 7);
2440 avio_wb16(pb, 0x004f);
2443 avio_w8(pb, audio_profile);
2444 avio_w8(pb, video_profile);
2446 return update_size(pb, pos);
2449 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
2451 avio_wb32(pb, 0x20); /* size */
2452 ffio_wfourcc(pb, "trex");
2453 avio_wb32(pb, 0); /* version & flags */
2454 avio_wb32(pb, track->track_id); /* track ID */
2455 avio_wb32(pb, 1); /* default sample description index */
2456 avio_wb32(pb, 0); /* default sample duration */
2457 avio_wb32(pb, 0); /* default sample size */
2458 avio_wb32(pb, 0); /* default sample flags */
2462 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
2464 int64_t pos = avio_tell(pb);
2466 avio_wb32(pb, 0x0); /* size */
2467 ffio_wfourcc(pb, "mvex");
2468 for (i = 0; i < mov->nb_streams; i++)
2469 mov_write_trex_tag(pb, &mov->tracks[i]);
2470 return update_size(pb, pos);
2473 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2475 int max_track_id = 1, i;
2476 int64_t max_track_len_temp, max_track_len = 0;
2479 for (i = 0; i < mov->nb_streams; i++) {
2480 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
2481 max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
2483 mov->tracks[i].timescale,
2485 if (max_track_len < max_track_len_temp)
2486 max_track_len = max_track_len_temp;
2487 if (max_track_id < mov->tracks[i].track_id)
2488 max_track_id = mov->tracks[i].track_id;
2492 version = max_track_len < UINT32_MAX ? 0 : 1;
2493 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
2494 ffio_wfourcc(pb, "mvhd");
2495 avio_w8(pb, version);
2496 avio_wb24(pb, 0); /* flags */
2498 avio_wb64(pb, mov->time);
2499 avio_wb64(pb, mov->time);
2501 avio_wb32(pb, mov->time); /* creation time */
2502 avio_wb32(pb, mov->time); /* modification time */
2504 avio_wb32(pb, MOV_TIMESCALE);
2505 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
2507 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
2508 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
2509 avio_wb16(pb, 0); /* reserved */
2510 avio_wb32(pb, 0); /* reserved */
2511 avio_wb32(pb, 0); /* reserved */
2513 /* Matrix structure */
2514 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2516 avio_wb32(pb, 0); /* reserved (preview time) */
2517 avio_wb32(pb, 0); /* reserved (preview duration) */
2518 avio_wb32(pb, 0); /* reserved (poster time) */
2519 avio_wb32(pb, 0); /* reserved (selection time) */
2520 avio_wb32(pb, 0); /* reserved (selection duration) */
2521 avio_wb32(pb, 0); /* reserved (current time) */
2522 avio_wb32(pb, max_track_id + 1); /* Next track id */
2526 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
2529 avio_wb32(pb, 33); /* size */
2530 ffio_wfourcc(pb, "hdlr");
2533 ffio_wfourcc(pb, "mdir");
2534 ffio_wfourcc(pb, "appl");
2541 /* helper function to write a data tag with the specified string as data */
2542 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
2545 int size = 16 + strlen(data);
2546 avio_wb32(pb, size); /* size */
2547 ffio_wfourcc(pb, "data");
2550 avio_write(pb, data, strlen(data));
2554 lang = ff_mov_iso639_to_lang("und", 1);
2555 avio_wb16(pb, strlen(data)); /* string length */
2556 avio_wb16(pb, lang);
2557 avio_write(pb, data, strlen(data));
2558 return strlen(data) + 4;
2562 static int mov_write_string_tag(AVIOContext *pb, const char *name,
2563 const char *value, int lang, int long_style)
2566 if (value && value[0]) {
2567 int64_t pos = avio_tell(pb);
2568 avio_wb32(pb, 0); /* size */
2569 ffio_wfourcc(pb, name);
2570 mov_write_string_data_tag(pb, value, lang, long_style);
2571 size = update_size(pb, pos);
2576 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
2577 const char *name, const char *tag,
2580 int l, lang = 0, len, len2;
2581 AVDictionaryEntry *t, *t2 = NULL;
2584 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
2587 len = strlen(t->key);
2588 snprintf(tag2, sizeof(tag2), "%s-", tag);
2589 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
2590 len2 = strlen(t2->key);
2591 if (len2 == len + 4 && !strcmp(t->value, t2->value)
2592 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
2597 return mov_write_string_tag(pb, name, t->value, lang, long_style);
2600 /* iTunes bpm number */
2601 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
2603 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
2604 int size = 0, tmpo = t ? atoi(t->value) : 0;
2607 avio_wb32(pb, size);
2608 ffio_wfourcc(pb, "tmpo");
2609 avio_wb32(pb, size-8); /* size */
2610 ffio_wfourcc(pb, "data");
2611 avio_wb32(pb, 0x15); //type specifier
2613 avio_wb16(pb, tmpo); // data
2618 /* iTunes track or disc number */
2619 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
2620 AVFormatContext *s, int disc)
2622 AVDictionaryEntry *t = av_dict_get(s->metadata,
2623 disc ? "disc" : "track",
2625 int size = 0, track = t ? atoi(t->value) : 0;
2628 char *slash = strchr(t->value, '/');
2630 tracks = atoi(slash + 1);
2631 avio_wb32(pb, 32); /* size */
2632 ffio_wfourcc(pb, disc ? "disk" : "trkn");
2633 avio_wb32(pb, 24); /* size */
2634 ffio_wfourcc(pb, "data");
2635 avio_wb32(pb, 0); // 8 bytes empty
2637 avio_wb16(pb, 0); // empty
2638 avio_wb16(pb, track); // track / disc number
2639 avio_wb16(pb, tracks); // total track / disc number
2640 avio_wb16(pb, 0); // empty
2646 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
2647 const char *name, const char *tag,
2650 AVDictionaryEntry *t = NULL;
2652 int size = 24 + len;
2654 if (len != 1 && len != 4)
2657 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
2659 num = atoi(t->value);
2661 avio_wb32(pb, size);
2662 ffio_wfourcc(pb, name);
2663 avio_wb32(pb, size - 8);
2664 ffio_wfourcc(pb, "data");
2665 avio_wb32(pb, 0x15);
2667 if (len==4) avio_wb32(pb, num);
2668 else avio_w8 (pb, num);
2673 /* iTunes meta data list */
2674 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
2677 int64_t pos = avio_tell(pb);
2678 avio_wb32(pb, 0); /* size */
2679 ffio_wfourcc(pb, "ilst");
2680 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
2681 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
2682 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
2683 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
2684 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
2685 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
2687 !mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1))
2688 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
2689 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
2690 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
2691 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
2692 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
2693 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
2694 mov_write_string_metadata(s, pb, "desc", "description",1);
2695 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
2696 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
2697 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
2698 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
2699 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
2700 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
2701 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
2702 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
2703 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
2704 mov_write_int8_metadata (s, pb, "cpil", "compilation", 1);
2705 mov_write_trkn_tag(pb, mov, s, 0); // track number
2706 mov_write_trkn_tag(pb, mov, s, 1); // disc number
2707 mov_write_tmpo_tag(pb, s);
2708 return update_size(pb, pos);
2711 /* iTunes meta data tag */
2712 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
2716 int64_t pos = avio_tell(pb);
2717 avio_wb32(pb, 0); /* size */
2718 ffio_wfourcc(pb, "meta");
2720 mov_write_itunes_hdlr_tag(pb, mov, s);
2721 mov_write_ilst_tag(pb, mov, s);
2722 size = update_size(pb, pos);
2726 static int mov_write_raw_metadata_tag(AVFormatContext *s, AVIOContext *pb,
2727 const char *name, const char *key)
2730 AVDictionaryEntry *t;
2732 if (!(t = av_dict_get(s->metadata, key, NULL, 0)))
2735 len = strlen(t->value);
2738 avio_wb32(pb, size);
2739 ffio_wfourcc(pb, name);
2740 avio_write(pb, t->value, len);
2746 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
2750 GET_UTF8(val, *b++, return -1;)
2753 avio_wb16(pb, 0x00);
2757 static uint16_t language_code(const char *str)
2759 return (((str[0] - 0x60) & 0x1F) << 10) +
2760 (((str[1] - 0x60) & 0x1F) << 5) +
2761 (( str[2] - 0x60) & 0x1F);
2764 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
2765 const char *tag, const char *str)
2767 int64_t pos = avio_tell(pb);
2768 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
2769 if (!t || !utf8len(t->value))
2771 avio_wb32(pb, 0); /* size */
2772 ffio_wfourcc(pb, tag); /* type */
2773 avio_wb32(pb, 0); /* version + flags */
2774 if (!strcmp(tag, "yrrc"))
2775 avio_wb16(pb, atoi(t->value));
2777 avio_wb16(pb, language_code("eng")); /* language */
2778 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
2779 if (!strcmp(tag, "albm") &&
2780 (t = av_dict_get(s->metadata, "track", NULL, 0)))
2781 avio_w8(pb, atoi(t->value));
2783 return update_size(pb, pos);
2786 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
2788 int64_t pos = avio_tell(pb);
2789 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
2791 avio_wb32(pb, 0); // size
2792 ffio_wfourcc(pb, "chpl");
2793 avio_wb32(pb, 0x01000000); // version + flags
2794 avio_wb32(pb, 0); // unknown
2795 avio_w8(pb, nb_chapters);
2797 for (i = 0; i < nb_chapters; i++) {
2798 AVChapter *c = s->chapters[i];
2799 AVDictionaryEntry *t;
2800 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
2802 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
2803 int len = FFMIN(strlen(t->value), 255);
2805 avio_write(pb, t->value, len);
2809 return update_size(pb, pos);
2812 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
2815 AVIOContext *pb_buf;
2819 ret = avio_open_dyn_buf(&pb_buf);
2823 if (mov->mode & MODE_3GP) {
2824 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
2825 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
2826 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
2827 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
2828 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
2829 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
2830 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
2831 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
2832 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
2833 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
2834 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
2835 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
2836 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
2837 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
2838 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
2839 // currently ignored by mov.c
2840 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
2841 // add support for libquicktime, this atom is also actually read by mov.c
2842 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
2843 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
2844 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
2845 mov_write_raw_metadata_tag(s, pb_buf, "XMP_", "xmp");
2847 /* iTunes meta data */
2848 mov_write_meta_tag(pb_buf, mov, s);
2851 if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
2852 mov_write_chpl_tag(pb_buf, s);
2854 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2855 avio_wb32(pb, size + 8);
2856 ffio_wfourcc(pb, "udta");
2857 avio_write(pb, buf, size);
2864 static void mov_write_psp_udta_tag(AVIOContext *pb,
2865 const char *str, const char *lang, int type)
2867 int len = utf8len(str) + 1;
2870 avio_wb16(pb, len * 2 + 10); /* size */
2871 avio_wb32(pb, type); /* type */
2872 avio_wb16(pb, language_code(lang)); /* language */
2873 avio_wb16(pb, 0x01); /* ? */
2874 ascii_to_wc(pb, str);
2877 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
2879 MOVMuxContext *mov = s->priv_data;
2880 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
2884 pos = avio_tell(pb);
2885 avio_wb32(pb, 0); /* size placeholder*/
2886 ffio_wfourcc(pb, "uuid");
2887 ffio_wfourcc(pb, "USMT");
2888 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2889 avio_wb32(pb, 0xbb88695c);
2890 avio_wb32(pb, 0xfac9c740);
2892 pos2 = avio_tell(pb);
2893 avio_wb32(pb, 0); /* size placeholder*/
2894 ffio_wfourcc(pb, "MTDT");
2898 avio_wb16(pb, 0x0C); /* size */
2899 avio_wb32(pb, 0x0B); /* type */
2900 avio_wb16(pb, language_code("und")); /* language */
2901 avio_wb16(pb, 0x0); /* ? */
2902 avio_wb16(pb, 0x021C); /* data */
2905 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
2906 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
2907 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
2909 update_size(pb, pos2);
2910 return update_size(pb, pos);
2916 static void build_chunks(MOVTrack *trk)
2919 MOVIentry *chunk = &trk->cluster[0];
2920 uint64_t chunkSize = chunk->size;
2921 chunk->chunkNum = 1;
2922 if (trk->chunkCount)
2924 trk->chunkCount = 1;
2925 for (i = 1; i<trk->entry; i++){
2926 if (chunk->pos + chunkSize == trk->cluster[i].pos &&
2927 chunkSize + trk->cluster[i].size < (1<<20)){
2928 chunkSize += trk->cluster[i].size;
2929 chunk->samples_in_chunk += trk->cluster[i].entries;
2931 trk->cluster[i].chunkNum = chunk->chunkNum+1;
2932 chunk=&trk->cluster[i];
2933 chunkSize = chunk->size;
2939 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
2943 int64_t pos = avio_tell(pb);
2944 avio_wb32(pb, 0); /* size placeholder*/
2945 ffio_wfourcc(pb, "moov");
2947 for (i = 0; i < mov->nb_streams; i++) {
2948 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
2951 mov->tracks[i].time = mov->time;
2952 mov->tracks[i].track_id = i + 1;
2954 if (mov->tracks[i].entry)
2955 build_chunks(&mov->tracks[i]);
2958 if (mov->chapter_track)
2959 for (i = 0; i < s->nb_streams; i++) {
2960 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
2961 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
2963 for (i = 0; i < mov->nb_streams; i++) {
2964 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
2965 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
2966 mov->tracks[i].tref_id =
2967 mov->tracks[mov->tracks[i].src_track].track_id;
2970 for (i = 0; i < mov->nb_streams; i++) {
2971 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
2972 int src_trk = mov->tracks[i].src_track;
2973 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
2974 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
2975 //src_trk may have a different timescale than the tmcd track
2976 mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration,
2977 mov->tracks[i].timescale,
2978 mov->tracks[src_trk].timescale);
2982 mov_write_mvhd_tag(pb, mov);
2983 if (mov->mode != MODE_MOV && !mov->iods_skip)
2984 mov_write_iods_tag(pb, mov);
2985 for (i = 0; i < mov->nb_streams; i++) {
2986 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
2987 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
2990 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2991 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
2993 if (mov->mode == MODE_PSP)
2994 mov_write_uuidusmt_tag(pb, s);
2996 mov_write_udta_tag(pb, mov, s);
2998 return update_size(pb, pos);
3001 static void param_write_int(AVIOContext *pb, const char *name, int value)
3003 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
3006 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
3008 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
3011 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
3014 len = FFMIN(sizeof(buf) / 2 - 1, len);
3015 ff_data_to_hex(buf, value, len, 0);
3016 buf[2 * len] = '\0';
3017 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
3020 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
3022 int64_t pos = avio_tell(pb);
3024 static const uint8_t uuid[] = {
3025 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
3026 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
3030 ffio_wfourcc(pb, "uuid");
3031 avio_write(pb, uuid, sizeof(uuid));
3034 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
3035 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
3036 avio_printf(pb, "<head>\n");
3038 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
3040 avio_printf(pb, "</head>\n");
3041 avio_printf(pb, "<body>\n");
3042 avio_printf(pb, "<switch>\n");
3043 for (i = 0; i < mov->nb_streams; i++) {
3044 MOVTrack *track = &mov->tracks[i];
3046 /* track->track_id is initialized in write_moov, and thus isn't known
3048 int track_id = i + 1;
3050 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
3052 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
3057 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
3058 track->enc->bit_rate);
3059 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
3060 param_write_int(pb, "trackID", track_id);
3061 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
3062 if (track->enc->codec_id == AV_CODEC_ID_H264) {
3064 int size = track->enc->extradata_size;
3065 if (!ff_avc_write_annexb_extradata(track->enc->extradata, &ptr,
3067 param_write_hex(pb, "CodecPrivateData",
3068 ptr ? ptr : track->enc->extradata,
3072 param_write_string(pb, "FourCC", "H264");
3073 } else if (track->enc->codec_id == AV_CODEC_ID_VC1) {
3074 param_write_string(pb, "FourCC", "WVC1");
3075 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
3076 track->enc->extradata_size);
3078 param_write_int(pb, "MaxWidth", track->enc->width);
3079 param_write_int(pb, "MaxHeight", track->enc->height);
3080 param_write_int(pb, "DisplayWidth", track->enc->width);
3081 param_write_int(pb, "DisplayHeight", track->enc->height);
3083 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
3084 param_write_string(pb, "FourCC", "AACL");
3085 } else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO) {
3086 param_write_string(pb, "FourCC", "WMAP");
3088 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
3089 track->enc->extradata_size);
3090 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
3091 track->enc->codec_id));
3092 param_write_int(pb, "Channels", track->enc->channels);
3093 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
3094 param_write_int(pb, "BitsPerSample", 16);
3095 param_write_int(pb, "PacketSize", track->enc->block_align ?
3096 track->enc->block_align : 4);
3098 avio_printf(pb, "</%s>\n", type);
3100 avio_printf(pb, "</switch>\n");
3101 avio_printf(pb, "</body>\n");
3102 avio_printf(pb, "</smil>\n");
3104 return update_size(pb, pos);
3107 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
3110 ffio_wfourcc(pb, "mfhd");
3112 avio_wb32(pb, mov->fragments);
3116 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
3117 MOVTrack *track, int64_t moof_offset)
3119 int64_t pos = avio_tell(pb);
3120 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
3121 MOV_TFHD_BASE_DATA_OFFSET;
3122 if (!track->entry) {
3123 flags |= MOV_TFHD_DURATION_IS_EMPTY;
3125 flags |= MOV_TFHD_DEFAULT_FLAGS;
3127 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
3128 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
3129 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) {
3130 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
3131 flags |= MOV_TFHD_DEFAULT_BASE_IS_MOOF;
3134 /* Don't set a default sample size, the silverlight player refuses
3135 * to play files with that set. Don't set a default sample duration,
3136 * WMP freaks out if it is set. Don't set a base data offset, PIFF
3137 * file format says it MUST NOT be set. */
3138 if (track->mode == MODE_ISM)
3139 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
3140 MOV_TFHD_BASE_DATA_OFFSET);
3142 avio_wb32(pb, 0); /* size placeholder */
3143 ffio_wfourcc(pb, "tfhd");
3144 avio_w8(pb, 0); /* version */
3145 avio_wb24(pb, flags);
3147 avio_wb32(pb, track->track_id); /* track-id */
3148 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
3149 avio_wb64(pb, moof_offset);
3150 if (flags & MOV_TFHD_DEFAULT_DURATION) {
3151 track->default_duration = get_cluster_duration(track, 0);
3152 avio_wb32(pb, track->default_duration);
3154 if (flags & MOV_TFHD_DEFAULT_SIZE) {
3155 track->default_size = track->entry ? track->cluster[0].size : 1;
3156 avio_wb32(pb, track->default_size);
3158 track->default_size = -1;
3160 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
3161 track->default_sample_flags =
3162 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
3163 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
3164 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
3165 avio_wb32(pb, track->default_sample_flags);
3168 return update_size(pb, pos);
3171 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
3173 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
3174 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
3177 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
3178 MOVTrack *track, int moof_size)
3180 int64_t pos = avio_tell(pb);
3181 uint32_t flags = MOV_TRUN_DATA_OFFSET;
3184 for (i = 0; i < track->entry; i++) {
3185 if (get_cluster_duration(track, i) != track->default_duration)
3186 flags |= MOV_TRUN_SAMPLE_DURATION;
3187 if (track->cluster[i].size != track->default_size)
3188 flags |= MOV_TRUN_SAMPLE_SIZE;
3189 if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
3190 flags |= MOV_TRUN_SAMPLE_FLAGS;
3192 if (!(flags & MOV_TRUN_SAMPLE_FLAGS))
3193 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
3194 if (track->flags & MOV_TRACK_CTTS)
3195 flags |= MOV_TRUN_SAMPLE_CTS;
3197 avio_wb32(pb, 0); /* size placeholder */
3198 ffio_wfourcc(pb, "trun");
3199 avio_w8(pb, 0); /* version */
3200 avio_wb24(pb, flags);
3202 avio_wb32(pb, track->entry); /* sample count */
3203 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
3204 !(mov->flags & (FF_MOV_FLAG_SEPARATE_MOOF | FF_MOV_FLAG_DEFAULT_BASE_MOOF)) &&
3206 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
3208 avio_wb32(pb, moof_size + 8 + track->data_offset +
3209 track->cluster[0].pos); /* data offset */
3210 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
3211 avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
3213 for (i = 0; i < track->entry; i++) {
3214 if (flags & MOV_TRUN_SAMPLE_DURATION)
3215 avio_wb32(pb, get_cluster_duration(track, i));
3216 if (flags & MOV_TRUN_SAMPLE_SIZE)
3217 avio_wb32(pb, track->cluster[i].size);
3218 if (flags & MOV_TRUN_SAMPLE_FLAGS)
3219 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
3220 if (flags & MOV_TRUN_SAMPLE_CTS)
3221 avio_wb32(pb, track->cluster[i].cts);
3224 mov->first_trun = 0;
3225 return update_size(pb, pos);
3228 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
3230 int64_t pos = avio_tell(pb);
3231 static const uint8_t uuid[] = {
3232 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
3233 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
3236 avio_wb32(pb, 0); /* size placeholder */
3237 ffio_wfourcc(pb, "uuid");
3238 avio_write(pb, uuid, sizeof(uuid));
3241 avio_wb64(pb, track->frag_start);
3242 avio_wb64(pb, track->start_dts + track->track_duration -
3243 track->cluster[0].dts);
3245 return update_size(pb, pos);
3248 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
3249 MOVTrack *track, int entry)
3251 int n = track->nb_frag_info - 1 - entry, i;
3252 int size = 8 + 16 + 4 + 1 + 16*n;
3253 static const uint8_t uuid[] = {
3254 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
3255 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
3261 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
3262 avio_wb32(pb, size);
3263 ffio_wfourcc(pb, "uuid");
3264 avio_write(pb, uuid, sizeof(uuid));
3268 for (i = 0; i < n; i++) {
3269 int index = entry + 1 + i;
3270 avio_wb64(pb, track->frag_info[index].time);
3271 avio_wb64(pb, track->frag_info[index].duration);
3273 if (n < mov->ism_lookahead) {
3274 int free_size = 16 * (mov->ism_lookahead - n);
3275 avio_wb32(pb, free_size);
3276 ffio_wfourcc(pb, "free");
3277 ffio_fill(pb, 0, free_size - 8);
3283 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
3286 int64_t pos = avio_tell(pb);
3288 for (i = 0; i < mov->ism_lookahead; i++) {
3289 /* Update the tfrf tag for the last ism_lookahead fragments,
3290 * nb_frag_info - 1 is the next fragment to be written. */
3291 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
3293 avio_seek(pb, pos, SEEK_SET);
3297 static int mov_write_tfdt_tag(AVIOContext *pb, MOVTrack *track)
3299 int64_t pos = avio_tell(pb);
3301 avio_wb32(pb, 0); /* size */
3302 ffio_wfourcc(pb, "tfdt");
3303 avio_w8(pb, 1); /* version */
3305 avio_wb64(pb, track->frag_start);
3306 return update_size(pb, pos);
3309 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
3310 MOVTrack *track, int64_t moof_offset,
3313 int64_t pos = avio_tell(pb);
3314 avio_wb32(pb, 0); /* size placeholder */
3315 ffio_wfourcc(pb, "traf");
3317 mov_write_tfhd_tag(pb, mov, track, moof_offset);
3318 if (mov->mode != MODE_ISM)
3319 mov_write_tfdt_tag(pb, track);
3320 mov_write_trun_tag(pb, mov, track, moof_size);
3321 if (mov->mode == MODE_ISM) {
3322 mov_write_tfxd_tag(pb, track);
3324 if (mov->ism_lookahead) {
3325 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
3327 track->tfrf_offset = avio_tell(pb);
3328 avio_wb32(pb, 8 + size);
3329 ffio_wfourcc(pb, "free");
3330 for (i = 0; i < size; i++)
3335 return update_size(pb, pos);
3338 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
3339 int tracks, int moof_size)
3341 int64_t pos = avio_tell(pb);
3344 avio_wb32(pb, 0); /* size placeholder */
3345 ffio_wfourcc(pb, "moof");
3346 mov->first_trun = 1;
3348 mov_write_mfhd_tag(pb, mov);
3349 for (i = 0; i < mov->nb_streams; i++) {
3350 MOVTrack *track = &mov->tracks[i];
3351 if (tracks >= 0 && i != tracks)
3355 mov_write_traf_tag(pb, mov, track, pos, moof_size);
3358 return update_size(pb, pos);
3361 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
3363 AVIOContext *avio_buf;
3366 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
3368 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
3369 moof_size = ffio_close_null_buf(avio_buf);
3370 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
3373 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
3375 int64_t pos = avio_tell(pb);
3378 avio_wb32(pb, 0); /* size placeholder */
3379 ffio_wfourcc(pb, "tfra");
3380 avio_w8(pb, 1); /* version */
3383 avio_wb32(pb, track->track_id);
3384 avio_wb32(pb, 0); /* length of traf/trun/sample num */
3385 avio_wb32(pb, track->nb_frag_info);
3386 for (i = 0; i < track->nb_frag_info; i++) {
3387 avio_wb64(pb, track->frag_info[i].time);
3388 avio_wb64(pb, track->frag_info[i].offset);
3389 avio_w8(pb, 1); /* traf number */
3390 avio_w8(pb, 1); /* trun number */
3391 avio_w8(pb, 1); /* sample number */
3394 return update_size(pb, pos);
3397 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
3399 int64_t pos = avio_tell(pb);
3402 avio_wb32(pb, 0); /* size placeholder */
3403 ffio_wfourcc(pb, "mfra");
3404 /* An empty mfra atom is enough to indicate to the publishing point that
3405 * the stream has ended. */
3406 if (mov->flags & FF_MOV_FLAG_ISML)
3407 return update_size(pb, pos);
3409 for (i = 0; i < mov->nb_streams; i++) {
3410 MOVTrack *track = &mov->tracks[i];
3411 if (track->nb_frag_info)
3412 mov_write_tfra_tag(pb, track);
3416 ffio_wfourcc(pb, "mfro");
3417 avio_wb32(pb, 0); /* version + flags */
3418 avio_wb32(pb, avio_tell(pb) + 4 - pos);
3420 return update_size(pb, pos);
3423 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
3425 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
3426 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
3428 mov->mdat_pos = avio_tell(pb);
3429 avio_wb32(pb, 0); /* size placeholder*/
3430 ffio_wfourcc(pb, "mdat");
3434 /* TODO: This needs to be more general */
3435 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
3437 MOVMuxContext *mov = s->priv_data;
3438 int64_t pos = avio_tell(pb);
3439 int has_h264 = 0, has_video = 0;
3443 for (i = 0; i < s->nb_streams; i++) {
3444 AVStream *st = s->streams[i];
3445 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
3447 if (st->codec->codec_id == AV_CODEC_ID_H264)
3451 avio_wb32(pb, 0); /* size */
3452 ffio_wfourcc(pb, "ftyp");
3454 if (mov->major_brand && strlen(mov->major_brand) >= 4)
3455 ffio_wfourcc(pb, mov->major_brand);
3456 else if (mov->mode == MODE_3GP) {
3457 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
3458 minor = has_h264 ? 0x100 : 0x200;
3459 } else if (mov->mode & MODE_3G2) {
3460 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
3461 minor = has_h264 ? 0x20000 : 0x10000;
3462 } else if (mov->mode == MODE_PSP)
3463 ffio_wfourcc(pb, "MSNV");
3464 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
3465 ffio_wfourcc(pb, "iso5"); // Required when using default-base-is-moof
3466 else if (mov->mode == MODE_MP4)
3467 ffio_wfourcc(pb, "isom");
3468 else if (mov->mode == MODE_IPOD)
3469 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
3470 else if (mov->mode == MODE_ISM)
3471 ffio_wfourcc(pb, "isml");
3472 else if (mov->mode == MODE_F4V)
3473 ffio_wfourcc(pb, "f4v ");
3475 ffio_wfourcc(pb, "qt ");
3477 avio_wb32(pb, minor);
3479 if (mov->mode == MODE_MOV)
3480 ffio_wfourcc(pb, "qt ");
3481 else if (mov->mode == MODE_ISM) {
3482 ffio_wfourcc(pb, "piff");
3483 } else if (!(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)) {
3484 ffio_wfourcc(pb, "isom");
3485 ffio_wfourcc(pb, "iso2");
3487 ffio_wfourcc(pb, "avc1");
3490 // We add tfdt atoms when fragmenting, signal this with the iso6 compatible
3491 // brand. This is compatible with users that don't understand tfdt.
3492 if (mov->flags & FF_MOV_FLAG_FRAGMENT && mov->mode != MODE_ISM)
3493 ffio_wfourcc(pb, "iso6");
3495 if (mov->mode == MODE_3GP)
3496 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
3497 else if (mov->mode & MODE_3G2)
3498 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
3499 else if (mov->mode == MODE_PSP)
3500 ffio_wfourcc(pb, "MSNV");
3501 else if (mov->mode == MODE_MP4)
3502 ffio_wfourcc(pb, "mp41");
3503 return update_size(pb, pos);
3506 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
3508 AVStream *video_st = s->streams[0];
3509 AVCodecContext *video_codec = s->streams[0]->codec;
3510 AVCodecContext *audio_codec = s->streams[1]->codec;
3511 int audio_rate = audio_codec->sample_rate;
3512 // TODO: should be avg_frame_rate
3513 int frame_rate = ((video_st->time_base.den) * (0x10000)) / (video_st->time_base.num);
3514 int audio_kbitrate = audio_codec->bit_rate / 1000;
3515 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
3517 avio_wb32(pb, 0x94); /* size */
3518 ffio_wfourcc(pb, "uuid");
3519 ffio_wfourcc(pb, "PROF");
3521 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
3522 avio_wb32(pb, 0xbb88695c);
3523 avio_wb32(pb, 0xfac9c740);
3525 avio_wb32(pb, 0x0); /* ? */
3526 avio_wb32(pb, 0x3); /* 3 sections ? */
3528 avio_wb32(pb, 0x14); /* size */
3529 ffio_wfourcc(pb, "FPRF");
3530 avio_wb32(pb, 0x0); /* ? */
3531 avio_wb32(pb, 0x0); /* ? */
3532 avio_wb32(pb, 0x0); /* ? */
3534 avio_wb32(pb, 0x2c); /* size */
3535 ffio_wfourcc(pb, "APRF"); /* audio */
3537 avio_wb32(pb, 0x2); /* TrackID */
3538 ffio_wfourcc(pb, "mp4a");
3539 avio_wb32(pb, 0x20f);
3541 avio_wb32(pb, audio_kbitrate);
3542 avio_wb32(pb, audio_kbitrate);
3543 avio_wb32(pb, audio_rate);
3544 avio_wb32(pb, audio_codec->channels);
3546 avio_wb32(pb, 0x34); /* size */
3547 ffio_wfourcc(pb, "VPRF"); /* video */
3549 avio_wb32(pb, 0x1); /* TrackID */
3550 if (video_codec->codec_id == AV_CODEC_ID_H264) {
3551 ffio_wfourcc(pb, "avc1");
3552 avio_wb16(pb, 0x014D);
3553 avio_wb16(pb, 0x0015);
3555 ffio_wfourcc(pb, "mp4v");
3556 avio_wb16(pb, 0x0000);
3557 avio_wb16(pb, 0x0103);
3560 avio_wb32(pb, video_kbitrate);
3561 avio_wb32(pb, video_kbitrate);
3562 avio_wb32(pb, frame_rate);
3563 avio_wb32(pb, frame_rate);
3564 avio_wb16(pb, video_codec->width);
3565 avio_wb16(pb, video_codec->height);
3566 avio_wb32(pb, 0x010001); /* ? */
3569 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
3572 int i, closed_gop = 0;
3574 for (i = 0; i < pkt->size - 4; i++) {
3575 c = (c << 8) + pkt->data[i];
3576 if (c == 0x1b8) { // gop
3577 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
3578 } else if (c == 0x100) { // pic
3579 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
3580 if (!temp_ref || closed_gop) // I picture is not reordered
3581 *flags = MOV_SYNC_SAMPLE;
3583 *flags = MOV_PARTIAL_SYNC_SAMPLE;
3590 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment)
3592 const uint8_t *start, *next, *end = pkt->data + pkt->size;
3593 int seq = 0, entry = 0;
3594 int key = pkt->flags & AV_PKT_FLAG_KEY;
3595 start = find_next_marker(pkt->data, end);
3596 for (next = start; next < end; start = next) {
3597 next = find_next_marker(start + 4, end);
3598 switch (AV_RB32(start)) {
3599 case VC1_CODE_SEQHDR:
3602 case VC1_CODE_ENTRYPOINT:
3605 case VC1_CODE_SLICE:
3606 trk->vc1_info.slices = 1;
3610 if (!trk->entry && !fragment) {
3611 /* First packet in first fragment */
3612 trk->vc1_info.first_packet_seq = seq;
3613 trk->vc1_info.first_packet_entry = entry;
3614 } else if ((seq && !trk->vc1_info.packet_seq) ||
3615 (entry && !trk->vc1_info.packet_entry)) {
3617 for (i = 0; i < trk->entry; i++)
3618 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
3619 trk->has_keyframes = 0;
3621 trk->vc1_info.packet_seq = 1;
3623 trk->vc1_info.packet_entry = 1;
3625 /* First fragment */
3626 if ((!seq || trk->vc1_info.first_packet_seq) &&
3627 (!entry || trk->vc1_info.first_packet_entry)) {
3628 /* First packet had the same headers as this one, readd the
3629 * sync sample flag. */
3630 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
3631 trk->has_keyframes = 1;
3635 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
3637 else if (trk->vc1_info.packet_seq)
3639 else if (trk->vc1_info.packet_entry)
3642 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
3643 trk->has_keyframes++;
3647 static int mov_flush_fragment(AVFormatContext *s)
3649 MOVMuxContext *mov = s->priv_data;
3650 int i, first_track = -1;
3651 int64_t mdat_size = 0;
3653 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
3656 if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) {
3657 int64_t pos = avio_tell(s->pb);
3659 int buf_size, moov_size;
3661 for (i = 0; i < mov->nb_streams; i++)
3662 if (!mov->tracks[i].entry)
3664 /* Don't write the initial moov unless all tracks have data */
3665 if (i < mov->nb_streams)
3668 moov_size = get_moov_size(s);
3669 for (i = 0; i < mov->nb_streams; i++)
3670 mov->tracks[i].data_offset = pos + moov_size + 8;
3672 mov_write_moov_tag(s->pb, mov, s);
3674 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
3675 mov->mdat_buf = NULL;
3676 avio_wb32(s->pb, buf_size + 8);
3677 ffio_wfourcc(s->pb, "mdat");
3678 avio_write(s->pb, buf, buf_size);
3683 for (i = 0; i < mov->nb_streams; i++) {
3684 if (mov->tracks[i].entry)
3685 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
3686 mov->tracks[i].track_duration -
3687 mov->tracks[i].cluster[0].dts;
3688 mov->tracks[i].entry = 0;
3694 for (i = 0; i < mov->nb_streams; i++) {
3695 MOVTrack *track = &mov->tracks[i];
3696 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
3697 track->data_offset = 0;
3699 track->data_offset = mdat_size;
3700 if (!track->mdat_buf)
3702 mdat_size += avio_tell(track->mdat_buf);
3703 if (first_track < 0)
3710 for (i = 0; i < mov->nb_streams; i++) {
3711 MOVTrack *track = &mov->tracks[i];
3712 int buf_size, write_moof = 1, moof_tracks = -1;
3714 int64_t duration = 0;
3717 duration = track->start_dts + track->track_duration -
3718 track->cluster[0].dts;
3719 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
3720 if (!track->mdat_buf)
3722 mdat_size = avio_tell(track->mdat_buf);
3725 write_moof = i == first_track;
3729 MOVFragmentInfo *info;
3731 track->nb_frag_info++;
3732 if (track->nb_frag_info >= track->frag_info_capacity) {
3733 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
3734 if (av_reallocp_array(&track->frag_info,
3736 sizeof(*track->frag_info)))
3737 return AVERROR(ENOMEM);
3738 track->frag_info_capacity = new_capacity;
3740 info = &track->frag_info[track->nb_frag_info - 1];
3741 info->offset = avio_tell(s->pb);
3742 info->time = track->frag_start;
3743 info->duration = duration;
3744 mov_write_tfrf_tags(s->pb, mov, track);
3746 mov_write_moof_tag(s->pb, mov, moof_tracks);
3747 info->tfrf_offset = track->tfrf_offset;
3750 avio_wb32(s->pb, mdat_size + 8);
3751 ffio_wfourcc(s->pb, "mdat");
3755 track->frag_start += duration;
3757 if (!track->mdat_buf)
3759 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
3760 track->mdat_buf = NULL;
3762 avio_write(s->pb, buf, buf_size);
3772 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3774 MOVMuxContext *mov = s->priv_data;
3775 AVIOContext *pb = s->pb;
3776 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3777 AVCodecContext *enc = trk->enc;
3778 unsigned int samples_in_chunk = 0;
3779 int size = pkt->size;
3780 uint8_t *reformatted_data = NULL;
3783 int64_t duration = pkt->dts - trk->cluster[trk->entry - 1].dts;
3784 if (duration < 0 || duration > INT_MAX) {
3785 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n",
3789 pkt->dts = trk->cluster[trk->entry - 1].dts + 1;
3790 pkt->pts = AV_NOPTS_VALUE;
3792 if (pkt->duration < 0) {
3793 av_log(s, AV_LOG_ERROR, "Application provided duration: %d is invalid\n", pkt->duration);
3794 return AVERROR(EINVAL);
3797 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
3799 if (mov->fragments > 0) {
3800 if (!trk->mdat_buf) {
3801 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
3806 if (!mov->mdat_buf) {
3807 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
3814 if (enc->codec_id == AV_CODEC_ID_AMR_NB) {
3815 /* We must find out how many AMR blocks there are in one packet */
3816 static uint16_t packed_size[16] =
3817 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
3820 while (len < size && samples_in_chunk < 100) {
3821 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
3824 if (samples_in_chunk > 1) {
3825 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
3828 } else if (enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
3829 enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
3830 samples_in_chunk = enc->frame_size;
3831 } else if (trk->sample_size)
3832 samples_in_chunk = size / trk->sample_size;
3834 samples_in_chunk = 1;
3836 /* copy extradata if it exists */
3837 if (trk->vos_len == 0 && enc->extradata_size > 0 && !TAG_IS_AVCI(trk->tag)) {
3838 trk->vos_len = enc->extradata_size;
3839 trk->vos_data = av_malloc(trk->vos_len);
3840 memcpy(trk->vos_data, enc->extradata, trk->vos_len);
3843 if (enc->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
3844 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
3845 if (!s->streams[pkt->stream_index]->nb_frames) {
3846 av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
3847 "use the audio bitstream filter 'aac_adtstoasc' to fix it "
3848 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
3851 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
3853 if (enc->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1 && !TAG_IS_AVCI(trk->tag)) {
3854 /* from x264 or from bytestream h264 */
3855 /* nal reformating needed */
3856 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
3857 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
3859 avio_write(pb, reformatted_data, size);
3861 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
3863 } else if (enc->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
3864 (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
3865 /* extradata is Annex B, assume the bitstream is too and convert it */
3866 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
3867 ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data, &size, 0, NULL);
3868 avio_write(pb, reformatted_data, size);
3870 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
3872 } else if (enc->codec_id == AV_CODEC_ID_EAC3) {
3873 size = handle_eac3(mov, pkt, trk);
3878 avio_write(pb, pkt->data, size);
3880 avio_write(pb, pkt->data, size);
3883 if ((enc->codec_id == AV_CODEC_ID_DNXHD ||
3884 enc->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
3885 /* copy frame to create needed atoms */
3886 trk->vos_len = size;
3887 trk->vos_data = av_malloc(size);
3889 return AVERROR(ENOMEM);
3890 memcpy(trk->vos_data, pkt->data, size);
3893 if (trk->entry >= trk->cluster_capacity) {
3894 unsigned new_capacity = 2 * (trk->entry + MOV_INDEX_CLUSTER_SIZE);
3895 if (av_reallocp_array(&trk->cluster, new_capacity,
3896 sizeof(*trk->cluster)))
3897 return AVERROR(ENOMEM);
3898 trk->cluster_capacity = new_capacity;
3901 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
3902 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
3903 trk->cluster[trk->entry].chunkNum = 0;
3904 trk->cluster[trk->entry].size = size;
3905 trk->cluster[trk->entry].entries = samples_in_chunk;
3906 trk->cluster[trk->entry].dts = pkt->dts;
3907 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
3908 /* First packet of a new fragment. We already wrote the duration
3909 * of the last packet of the previous fragment based on track_duration,
3910 * which might not exactly match our dts. Therefore adjust the dts
3911 * of this packet to be what the previous packets duration implies. */
3912 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
3914 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !supports_edts(mov)) {
3915 trk->cluster[trk->entry].dts = trk->start_dts = 0;
3917 if (trk->start_dts == AV_NOPTS_VALUE) {
3918 trk->start_dts = pkt->dts;
3919 if (pkt->dts && mov->flags & FF_MOV_FLAG_EMPTY_MOOV)
3920 av_log(s, AV_LOG_WARNING,
3921 "Track %d starts with a nonzero dts %"PRId64". This "
3922 "currently isn't handled correctly in combination with "
3923 "empty_moov.\n", pkt->stream_index, pkt->dts);
3925 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
3926 trk->last_sample_is_subtitle_end = 0;
3928 if (pkt->pts == AV_NOPTS_VALUE) {
3929 av_log(s, AV_LOG_WARNING, "pts has no value\n");
3930 pkt->pts = pkt->dts;
3932 if (pkt->dts != pkt->pts)
3933 trk->flags |= MOV_TRACK_CTTS;
3934 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
3935 trk->cluster[trk->entry].flags = 0;
3936 if (enc->codec_id == AV_CODEC_ID_VC1) {
3937 mov_parse_vc1_frame(pkt, trk, mov->fragments);
3938 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
3939 if (mov->mode == MODE_MOV && enc->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
3940 trk->entry > 0) { // force sync sample for the first key frame
3941 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
3942 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
3943 trk->flags |= MOV_TRACK_STPS;
3945 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
3947 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
3948 trk->has_keyframes++;
3951 trk->sample_count += samples_in_chunk;
3952 mov->mdat_size += size;
3954 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
3955 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
3956 reformatted_data, size);
3958 av_free(reformatted_data);
3962 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
3964 MOVMuxContext *mov = s->priv_data;
3965 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3966 AVCodecContext *enc = trk->enc;
3967 int64_t frag_duration = 0;
3968 int size = pkt->size;
3971 return 0; /* Discard 0 sized packets */
3973 if (trk->entry && pkt->stream_index < s->nb_streams)
3974 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
3975 s->streams[pkt->stream_index]->time_base,
3977 if ((mov->max_fragment_duration &&
3978 frag_duration >= mov->max_fragment_duration) ||
3979 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
3980 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
3981 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
3982 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
3983 if (frag_duration >= mov->min_fragment_duration)
3984 mov_flush_fragment(s);
3987 return ff_mov_write_packet(s, pkt);
3990 static int mov_write_subtitle_end_packet(AVFormatContext *s,
3994 uint8_t data[2] = {0};
3997 av_init_packet(&end);
3998 end.size = sizeof(data);
4003 end.stream_index = stream_index;
4005 ret = mov_write_single_packet(s, &end);
4006 av_free_packet(&end);
4011 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
4014 mov_flush_fragment(s);
4018 MOVMuxContext *mov = s->priv_data;
4020 if (!pkt->size) return 0; /* Discard 0 sized packets */
4023 * Subtitles require special handling.
4025 * 1) For full complaince, every track must have a sample at
4026 * dts == 0, which is rarely true for subtitles. So, as soon
4027 * as we see any packet with dts > 0, write an empty subtitle
4028 * at dts == 0 for any subtitle track with no samples in it.
4030 * 2) For each subtitle track, check if the current packet's
4031 * dts is past the duration of the last subtitle sample. If
4032 * so, we now need to write an end sample for that subtitle.
4034 * This must be done conditionally to allow for subtitles that
4035 * immediately replace each other, in which case an end sample
4036 * is not needed, and is, in fact, actively harmful.
4038 * 3) See mov_write_trailer for how the final end sample is
4041 for (i = 0; i < mov->nb_streams; i++) {
4042 MOVTrack *trk = &mov->tracks[i];
4045 if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
4046 trk->track_duration < pkt->dts &&
4047 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
4048 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
4049 if (ret < 0) return ret;
4050 trk->last_sample_is_subtitle_end = 1;
4054 return mov_write_single_packet(s, pkt);
4058 // QuickTime chapters involve an additional text track with the chapter names
4059 // as samples, and a tref pointing from the other tracks to the chapter one.
4060 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
4064 MOVMuxContext *mov = s->priv_data;
4065 MOVTrack *track = &mov->tracks[tracknum];
4066 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
4069 track->mode = mov->mode;
4070 track->tag = MKTAG('t','e','x','t');
4071 track->timescale = MOV_TIMESCALE;
4072 track->enc = avcodec_alloc_context3(NULL);
4074 return AVERROR(ENOMEM);
4075 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
4077 // These properties are required to make QT recognize the chapter track
4078 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
4079 if (ff_alloc_extradata(track->enc, sizeof(chapter_properties)))
4080 return AVERROR(ENOMEM);
4081 memcpy(track->enc->extradata, chapter_properties, sizeof(chapter_properties));
4083 if (avio_open_dyn_buf(&pb) >= 0) {
4087 /* Stub header (usually for Quicktime chapter track) */
4089 avio_wb32(pb, 0x01); // displayFlags
4090 avio_w8(pb, 0x00); // horizontal justification
4091 avio_w8(pb, 0x00); // vertical justification
4092 avio_w8(pb, 0x00); // bgColourRed
4093 avio_w8(pb, 0x00); // bgColourGreen
4094 avio_w8(pb, 0x00); // bgColourBlue
4095 avio_w8(pb, 0x00); // bgColourAlpha
4097 avio_wb16(pb, 0x00); // defTextBoxTop
4098 avio_wb16(pb, 0x00); // defTextBoxLeft
4099 avio_wb16(pb, 0x00); // defTextBoxBottom
4100 avio_wb16(pb, 0x00); // defTextBoxRight
4102 avio_wb16(pb, 0x00); // startChar
4103 avio_wb16(pb, 0x00); // endChar
4104 avio_wb16(pb, 0x01); // fontID
4105 avio_w8(pb, 0x00); // fontStyleFlags
4106 avio_w8(pb, 0x00); // fontSize
4107 avio_w8(pb, 0x00); // fgColourRed
4108 avio_w8(pb, 0x00); // fgColourGreen
4109 avio_w8(pb, 0x00); // fgColourBlue
4110 avio_w8(pb, 0x00); // fgColourAlpha
4112 avio_wb32(pb, 0x0D); // box size
4113 ffio_wfourcc(pb, "ftab"); // box atom name
4114 avio_wb16(pb, 0x01); // entry count
4116 avio_wb16(pb, 0x01); // font ID
4117 avio_w8(pb, 0x00); // font name length
4119 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
4120 track->enc->extradata = buf;
4121 track->enc->extradata_size = size;
4128 for (i = 0; i < s->nb_chapters; i++) {
4129 AVChapter *c = s->chapters[i];
4130 AVDictionaryEntry *t;
4132 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
4133 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
4134 pkt.duration = end - pkt.dts;
4136 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
4137 const char encd[12] = {
4138 0x00, 0x00, 0x00, 0x0C,
4140 0x00, 0x00, 0x01, 0x00 };
4141 len = strlen(t->value);
4142 pkt.size = len + 2 + 12;
4143 pkt.data = av_malloc(pkt.size);
4145 return AVERROR(ENOMEM);
4146 AV_WB16(pkt.data, len);
4147 memcpy(pkt.data + 2, t->value, len);
4148 memcpy(pkt.data + len + 2, encd, sizeof(encd));
4149 ff_mov_write_packet(s, &pkt);
4150 av_freep(&pkt.data);
4157 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, const char *tcstr)
4160 MOVMuxContext *mov = s->priv_data;
4161 MOVTrack *track = &mov->tracks[index];
4162 AVStream *src_st = s->streams[src_index];
4164 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
4165 AVRational rate = find_fps(s, src_st);
4167 /* compute the frame number */
4168 ret = av_timecode_init_from_string(&tc, rate, tcstr, s);
4172 /* tmcd track based on video stream */
4173 track->mode = mov->mode;
4174 track->tag = MKTAG('t','m','c','d');
4175 track->src_track = src_index;
4176 track->timescale = mov->tracks[src_index].timescale;
4177 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
4178 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
4180 /* set st to src_st for metadata access*/
4183 /* encode context: tmcd data stream */
4184 track->enc = avcodec_alloc_context3(NULL);
4185 track->enc->codec_type = AVMEDIA_TYPE_DATA;
4186 track->enc->codec_tag = track->tag;
4187 track->enc->time_base = av_inv_q(rate);
4189 /* the tmcd track just contains one packet with the frame number */
4190 pkt.data = av_malloc(pkt.size);
4191 AV_WB32(pkt.data, tc.start);
4192 ret = ff_mov_write_packet(s, &pkt);
4198 * st->disposition controls the "enabled" flag in the tkhd tag.
4199 * QuickTime will not play a track if it is not enabled. So make sure
4200 * that one track of each type (audio, video, subtitle) is enabled.
4202 * Subtitles are special. For audio and video, setting "enabled" also
4203 * makes the track "default" (i.e. it is rendered when played). For
4204 * subtitles, an "enabled" subtitle is not rendered by default, but
4205 * if no subtitle is enabled, the subtitle menu in QuickTime will be
4208 static void enable_tracks(AVFormatContext *s)
4210 MOVMuxContext *mov = s->priv_data;
4212 int enabled[AVMEDIA_TYPE_NB];
4213 int first[AVMEDIA_TYPE_NB];
4215 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
4220 for (i = 0; i < s->nb_streams; i++) {
4221 AVStream *st = s->streams[i];
4223 if (st->codec->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
4224 st->codec->codec_type >= AVMEDIA_TYPE_NB)
4227 if (first[st->codec->codec_type] < 0)
4228 first[st->codec->codec_type] = i;
4229 if (st->disposition & AV_DISPOSITION_DEFAULT) {
4230 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
4231 enabled[st->codec->codec_type]++;
4235 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
4237 case AVMEDIA_TYPE_VIDEO:
4238 case AVMEDIA_TYPE_AUDIO:
4239 case AVMEDIA_TYPE_SUBTITLE:
4241 mov->per_stream_grouping = 1;
4242 if (!enabled[i] && first[i] >= 0)
4243 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
4249 static void mov_free(AVFormatContext *s)
4251 MOVMuxContext *mov = s->priv_data;
4254 if (mov->chapter_track) {
4255 if (mov->tracks[mov->chapter_track].enc)
4256 av_freep(&mov->tracks[mov->chapter_track].enc->extradata);
4257 av_freep(&mov->tracks[mov->chapter_track].enc);
4260 for (i = 0; i < mov->nb_streams; i++) {
4261 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
4262 ff_mov_close_hinting(&mov->tracks[i]);
4263 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
4264 av_freep(&mov->tracks[i].enc);
4265 av_freep(&mov->tracks[i].cluster);
4266 av_freep(&mov->tracks[i].frag_info);
4268 if (mov->tracks[i].vos_len)
4269 av_freep(&mov->tracks[i].vos_data);
4272 av_freep(&mov->tracks);
4275 static uint32_t rgb_to_yuv(uint32_t rgb)
4280 r = (rgb >> 16) & 0xFF;
4281 g = (rgb >> 8) & 0xFF;
4284 y = av_clip_uint8( 16. + 0.257 * r + 0.504 * g + 0.098 * b);
4285 cb = av_clip_uint8(128. - 0.148 * r - 0.291 * g + 0.439 * b);
4286 cr = av_clip_uint8(128. + 0.439 * r - 0.368 * g - 0.071 * b);
4288 return (y << 16) | (cr << 8) | cb;
4291 static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track,
4294 int i, width = 720, height = 480;
4295 int have_palette = 0, have_size = 0;
4296 uint32_t palette[16];
4297 char *cur = st->codec->extradata;
4299 while (cur && *cur) {
4300 if (strncmp("palette:", cur, 8) == 0) {
4302 count = sscanf(cur + 8,
4303 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
4304 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
4305 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
4306 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
4307 &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
4308 &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
4309 &palette[ 8], &palette[ 9], &palette[10], &palette[11],
4310 &palette[12], &palette[13], &palette[14], &palette[15]);
4312 for (i = 0; i < count; i++) {
4313 palette[i] = rgb_to_yuv(palette[i]);
4316 } else if (!strncmp("size:", cur, 5)) {
4317 sscanf(cur + 5, "%dx%d", &width, &height);
4320 if (have_palette && have_size)
4322 cur += strcspn(cur, "\n\r");
4323 cur += strspn(cur, "\n\r");
4326 track->vos_data = av_malloc(16*4);
4327 if (!track->vos_data)
4328 return AVERROR(ENOMEM);
4329 for (i = 0; i < 16; i++) {
4330 AV_WB32(track->vos_data + i * 4, palette[i]);
4332 track->vos_len = 16 * 4;
4334 st->codec->width = width;
4335 st->codec->height = track->height = height;
4340 static int mov_write_header(AVFormatContext *s)
4342 AVIOContext *pb = s->pb;
4343 MOVMuxContext *mov = s->priv_data;
4344 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
4345 int i, ret, hint_track = 0, tmcd_track = 0;
4349 /* Default mode == MP4 */
4350 mov->mode = MODE_MP4;
4353 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
4354 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
4355 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
4356 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
4357 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
4358 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
4359 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
4362 if (s->flags & AVFMT_FLAG_BITEXACT)
4365 /* Set the FRAGMENT flag if any of the fragmentation methods are
4367 if (mov->max_fragment_duration || mov->max_fragment_size ||
4368 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
4369 FF_MOV_FLAG_FRAG_KEYFRAME |
4370 FF_MOV_FLAG_FRAG_CUSTOM))
4371 mov->flags |= FF_MOV_FLAG_FRAGMENT;
4373 /* Set other implicit flags immediately */
4374 if (mov->mode == MODE_ISM)
4375 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
4376 FF_MOV_FLAG_FRAGMENT;
4378 /* faststart: moov at the beginning of the file, if supported */
4379 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
4380 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
4381 av_log(s, AV_LOG_WARNING, "The faststart flag is incompatible "
4382 "with fragmentation, disabling faststart\n");
4383 mov->flags &= ~FF_MOV_FLAG_FASTSTART;
4385 mov->reserved_moov_size = -1;
4388 if (!supports_edts(mov) && s->avoid_negative_ts < 0) {
4389 s->avoid_negative_ts = 2;
4392 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
4393 * is enabled, we don't support non-seekable output at all. */
4394 if (!s->pb->seekable &&
4395 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
4396 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
4397 return AVERROR(EINVAL);
4400 mov_write_ftyp_tag(pb,s);
4401 if (mov->mode == MODE_PSP) {
4402 int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
4403 for (i = 0; i < s->nb_streams; i++) {
4404 AVStream *st = s->streams[i];
4405 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
4407 else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
4413 if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
4414 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
4415 return AVERROR(EINVAL);
4417 mov_write_uuidprof_tag(pb, s);
4420 mov->nb_streams = s->nb_streams;
4421 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
4422 mov->chapter_track = mov->nb_streams++;
4424 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
4425 /* Add hint tracks for each audio and video stream */
4426 hint_track = mov->nb_streams;
4427 for (i = 0; i < s->nb_streams; i++) {
4428 AVStream *st = s->streams[i];
4429 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
4430 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
4436 if (mov->mode == MODE_MOV) {
4437 tmcd_track = mov->nb_streams;
4439 /* +1 tmcd track for each video stream with a timecode */
4440 for (i = 0; i < s->nb_streams; i++) {
4441 AVStream *st = s->streams[i];
4442 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
4443 (global_tcr || av_dict_get(st->metadata, "timecode", NULL, 0)))
4444 mov->nb_meta_tmcd++;
4447 /* check if there is already a tmcd track to remux */
4448 if (mov->nb_meta_tmcd) {
4449 for (i = 0; i < s->nb_streams; i++) {
4450 AVStream *st = s->streams[i];
4451 if (st->codec->codec_tag == MKTAG('t','m','c','d')) {
4452 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
4453 "so timecode metadata are now ignored\n");
4454 mov->nb_meta_tmcd = 0;
4459 mov->nb_streams += mov->nb_meta_tmcd;
4462 // Reserve an extra stream for chapters for the case where chapters
4463 // are written in the trailer
4464 mov->tracks = av_mallocz_array((mov->nb_streams + 1), sizeof(*mov->tracks));
4466 return AVERROR(ENOMEM);
4468 for (i = 0; i < s->nb_streams; i++) {
4469 AVStream *st= s->streams[i];
4470 MOVTrack *track= &mov->tracks[i];
4471 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
4474 track->enc = st->codec;
4475 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
4476 if (track->language < 0)
4477 track->language = 0;
4478 track->mode = mov->mode;
4479 track->tag = mov_find_codec_tag(s, track);
4481 av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, "
4482 "codec not currently supported in container\n",
4483 avcodec_get_name(st->codec->codec_id), i);
4484 ret = AVERROR(EINVAL);
4487 /* If hinting of this track is enabled by a later hint track,
4488 * this is updated. */
4489 track->hint_track = -1;
4490 track->start_dts = AV_NOPTS_VALUE;
4491 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
4492 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
4493 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
4494 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
4495 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
4496 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
4497 ret = AVERROR(EINVAL);
4500 track->height = track->tag >> 24 == 'n' ? 486 : 576;
4502 if (mov->video_track_timescale) {
4503 track->timescale = mov->video_track_timescale;
4505 track->timescale = st->time_base.den;
4506 while(track->timescale < 10000)
4507 track->timescale *= 2;
4509 if (st->codec->width > 65535 || st->codec->height > 65535) {
4510 av_log(s, AV_LOG_ERROR, "Resolution %dx%d too large for mov/mp4\n", st->codec->width, st->codec->height);
4511 ret = AVERROR(EINVAL);
4514 if (track->mode == MODE_MOV && track->timescale > 100000)
4515 av_log(s, AV_LOG_WARNING,
4516 "WARNING codec timebase is very high. If duration is too long,\n"
4517 "file may not be playable by quicktime. Specify a shorter timebase\n"
4518 "or choose different container.\n");
4519 } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
4520 track->timescale = st->codec->sample_rate;
4521 if (!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
4522 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
4523 track->audio_vbr = 1;
4524 }else if (st->codec->codec_id == AV_CODEC_ID_ADPCM_MS ||
4525 st->codec->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
4526 st->codec->codec_id == AV_CODEC_ID_ILBC){
4527 if (!st->codec->block_align) {
4528 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
4529 ret = AVERROR(EINVAL);
4532 track->sample_size = st->codec->block_align;
4533 }else if (st->codec->frame_size > 1){ /* assume compressed audio */
4534 track->audio_vbr = 1;
4536 track->sample_size = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
4538 if (st->codec->codec_id == AV_CODEC_ID_ILBC ||
4539 st->codec->codec_id == AV_CODEC_ID_ADPCM_IMA_QT) {
4540 track->audio_vbr = 1;
4542 if (track->mode != MODE_MOV &&
4543 track->enc->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
4544 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
4545 i, track->enc->sample_rate);
4546 ret = AVERROR(EINVAL);
4549 } else if (st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
4550 track->timescale = st->time_base.den;
4551 } else if (st->codec->codec_type == AVMEDIA_TYPE_DATA) {
4552 track->timescale = st->time_base.den;
4554 track->timescale = MOV_TIMESCALE;
4557 track->height = st->codec->height;
4558 /* The ism specific timescale isn't mandatory, but is assumed by
4559 * some tools, such as mp4split. */
4560 if (mov->mode == MODE_ISM)
4561 track->timescale = 10000000;
4563 avpriv_set_pts_info(st, 64, 1, track->timescale);
4565 /* copy extradata if it exists */
4566 if (st->codec->extradata_size) {
4567 if (st->codec->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
4568 mov_create_dvd_sub_decoder_specific_info(track, st);
4569 else if (!TAG_IS_AVCI(track->tag)){
4570 track->vos_len = st->codec->extradata_size;
4571 track->vos_data = av_malloc(track->vos_len);
4572 memcpy(track->vos_data, st->codec->extradata, track->vos_len);
4577 for (i = 0; i < s->nb_streams; i++) {
4579 AVStream *st= s->streams[i];
4580 MOVTrack *track= &mov->tracks[i];
4582 if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO ||
4583 track->enc->channel_layout != AV_CH_LAYOUT_MONO)
4586 for (j = 0; j < s->nb_streams; j++) {
4587 AVStream *stj= s->streams[j];
4588 MOVTrack *trackj= &mov->tracks[j];
4592 if (stj->codec->codec_type != AVMEDIA_TYPE_AUDIO ||
4593 trackj->enc->channel_layout != AV_CH_LAYOUT_MONO ||
4594 trackj->language != track->language ||
4595 trackj->tag != track->tag
4598 track->multichannel_as_mono++;
4605 if (mov->reserved_moov_size){
4606 mov->reserved_moov_pos= avio_tell(pb);
4607 if (mov->reserved_moov_size > 0)
4608 avio_skip(pb, mov->reserved_moov_size);
4611 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
4612 /* If no fragmentation options have been set, set a default. */
4613 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
4614 FF_MOV_FLAG_FRAG_CUSTOM)) &&
4615 !mov->max_fragment_duration && !mov->max_fragment_size)
4616 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
4618 if (mov->flags & FF_MOV_FLAG_FASTSTART)
4619 mov->reserved_moov_pos = avio_tell(pb);
4620 mov_write_mdat_tag(pb, mov);
4623 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
4624 mov->time = ff_iso8601_to_unix_time(t->value);
4626 mov->time += 0x7C25B080; // 1970 based -> 1904 based
4628 if (mov->chapter_track)
4629 if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0)
4632 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
4633 /* Initialize the hint tracks for each audio and video stream */
4634 for (i = 0; i < s->nb_streams; i++) {
4635 AVStream *st = s->streams[i];
4636 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
4637 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
4638 if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0)
4645 if (mov->nb_meta_tmcd) {
4646 /* Initialize the tmcd tracks */
4647 for (i = 0; i < s->nb_streams; i++) {
4648 AVStream *st = s->streams[i];
4651 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
4653 t = av_dict_get(st->metadata, "timecode", NULL, 0);
4656 if ((ret = mov_create_timecode_track(s, tmcd_track, i, t->value)) < 0)
4665 if (mov->flags & FF_MOV_FLAG_ISML)
4666 mov_write_isml_manifest(pb, mov);
4668 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
4669 mov_write_moov_tag(pb, mov, s);
4679 static int get_moov_size(AVFormatContext *s)
4682 AVIOContext *moov_buf;
4683 MOVMuxContext *mov = s->priv_data;
4685 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
4687 mov_write_moov_tag(moov_buf, mov, s);
4688 return ffio_close_null_buf(moov_buf);
4692 * This function gets the moov size if moved to the top of the file: the chunk
4693 * offset table can switch between stco (32-bit entries) to co64 (64-bit
4694 * entries) when the moov is moved to the beginning, so the size of the moov
4695 * would change. It also updates the chunk offset tables.
4697 static int compute_moov_size(AVFormatContext *s)
4699 int i, moov_size, moov_size2;
4700 MOVMuxContext *mov = s->priv_data;
4702 moov_size = get_moov_size(s);
4706 for (i = 0; i < mov->nb_streams; i++)
4707 mov->tracks[i].data_offset += moov_size;
4709 moov_size2 = get_moov_size(s);
4713 /* if the size changed, we just switched from stco to co64 and need to
4714 * update the offsets */
4715 if (moov_size2 != moov_size)
4716 for (i = 0; i < mov->nb_streams; i++)
4717 mov->tracks[i].data_offset += moov_size2 - moov_size;
4722 static int shift_data(AVFormatContext *s)
4724 int ret = 0, moov_size;
4725 MOVMuxContext *mov = s->priv_data;
4726 int64_t pos, pos_end = avio_tell(s->pb);
4727 uint8_t *buf, *read_buf[2];
4728 int read_buf_id = 0;
4730 AVIOContext *read_pb;
4732 moov_size = compute_moov_size(s);
4736 buf = av_malloc(moov_size * 2);
4738 return AVERROR(ENOMEM);
4740 read_buf[1] = buf + moov_size;
4742 /* Shift the data: the AVIO context of the output can only be used for
4743 * writing, so we re-open the same output, but for reading. It also avoids
4744 * a read/seek/write/seek back and forth. */
4746 ret = avio_open(&read_pb, s->filename, AVIO_FLAG_READ);
4748 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
4749 "the second pass (faststart)\n", s->filename);
4753 /* mark the end of the shift to up to the last data we wrote, and get ready
4755 pos_end = avio_tell(s->pb);
4756 avio_seek(s->pb, mov->reserved_moov_pos + moov_size, SEEK_SET);
4758 /* start reading at where the new moov will be placed */
4759 avio_seek(read_pb, mov->reserved_moov_pos, SEEK_SET);
4760 pos = avio_tell(read_pb);
4762 #define READ_BLOCK do { \
4763 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
4767 /* shift data by chunk of at most moov_size */
4772 n = read_size[read_buf_id];
4775 avio_write(s->pb, read_buf[read_buf_id], n);
4777 } while (pos < pos_end);
4778 avio_close(read_pb);
4785 static int mov_write_trailer(AVFormatContext *s)
4787 MOVMuxContext *mov = s->priv_data;
4788 AVIOContext *pb = s->pb;
4794 * Before actually writing the trailer, make sure that there are no
4795 * dangling subtitles, that need a terminating sample.
4797 for (i = 0; i < mov->nb_streams; i++) {
4798 MOVTrack *trk = &mov->tracks[i];
4799 if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
4800 !trk->last_sample_is_subtitle_end) {
4801 mov_write_subtitle_end_packet(s, i, trk->track_duration);
4802 trk->last_sample_is_subtitle_end = 1;
4806 // If there were no chapters when the header was written, but there
4807 // are chapters now, write them in the trailer. This only works
4808 // when we are not doing fragments.
4809 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
4810 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
4811 mov->chapter_track = mov->nb_streams++;
4812 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
4817 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
4818 moov_pos = avio_tell(pb);
4820 /* Write size of mdat tag */
4821 if (mov->mdat_size + 8 <= UINT32_MAX) {
4822 avio_seek(pb, mov->mdat_pos, SEEK_SET);
4823 avio_wb32(pb, mov->mdat_size + 8);
4825 /* overwrite 'wide' placeholder atom */
4826 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
4827 /* special value: real atom size will be 64 bit value after
4830 ffio_wfourcc(pb, "mdat");
4831 avio_wb64(pb, mov->mdat_size + 16);
4833 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_moov_pos : moov_pos, SEEK_SET);
4835 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
4836 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
4837 res = shift_data(s);
4839 avio_seek(pb, mov->reserved_moov_pos, SEEK_SET);
4840 mov_write_moov_tag(pb, mov, s);
4842 } else if (mov->reserved_moov_size > 0) {
4844 mov_write_moov_tag(pb, mov, s);
4845 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos);
4847 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
4850 avio_wb32(pb, size);
4851 ffio_wfourcc(pb, "free");
4852 ffio_fill(pb, 0, size - 8);
4853 avio_seek(pb, moov_pos, SEEK_SET);
4855 mov_write_moov_tag(pb, mov, s);
4858 mov_flush_fragment(s);
4859 mov_write_mfra_tag(pb, mov);
4862 for (i = 0; i < mov->nb_streams; i++) {
4863 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
4864 mov->tracks[i].vc1_info.struct_offset && s->pb->seekable) {
4865 int64_t off = avio_tell(pb);
4867 if (mov_write_dvc1_structs(&mov->tracks[i], buf) >= 0) {
4868 avio_seek(pb, mov->tracks[i].vc1_info.struct_offset, SEEK_SET);
4869 avio_write(pb, buf, 7);
4870 avio_seek(pb, off, SEEK_SET);
4881 #if CONFIG_MOV_MUXER
4883 AVOutputFormat ff_mov_muxer = {
4885 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
4886 .extensions = "mov",
4887 .priv_data_size = sizeof(MOVMuxContext),
4888 .audio_codec = AV_CODEC_ID_AAC,
4889 .video_codec = CONFIG_LIBX264_ENCODER ?
4890 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4891 .write_header = mov_write_header,
4892 .write_packet = mov_write_packet,
4893 .write_trailer = mov_write_trailer,
4894 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4895 .codec_tag = (const AVCodecTag* const []){
4896 ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0
4898 .priv_class = &mov_muxer_class,
4901 #if CONFIG_TGP_MUXER
4903 AVOutputFormat ff_tgp_muxer = {
4905 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
4906 .extensions = "3gp",
4907 .priv_data_size = sizeof(MOVMuxContext),
4908 .audio_codec = AV_CODEC_ID_AMR_NB,
4909 .video_codec = AV_CODEC_ID_H263,
4910 .write_header = mov_write_header,
4911 .write_packet = mov_write_packet,
4912 .write_trailer = mov_write_trailer,
4913 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4914 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
4915 .priv_class = &tgp_muxer_class,
4918 #if CONFIG_MP4_MUXER
4920 AVOutputFormat ff_mp4_muxer = {
4922 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
4923 .mime_type = "application/mp4",
4924 .extensions = "mp4",
4925 .priv_data_size = sizeof(MOVMuxContext),
4926 .audio_codec = AV_CODEC_ID_AAC,
4927 .video_codec = CONFIG_LIBX264_ENCODER ?
4928 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4929 .write_header = mov_write_header,
4930 .write_packet = mov_write_packet,
4931 .write_trailer = mov_write_trailer,
4932 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4933 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4934 .priv_class = &mp4_muxer_class,
4937 #if CONFIG_PSP_MUXER
4939 AVOutputFormat ff_psp_muxer = {
4941 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
4942 .extensions = "mp4,psp",
4943 .priv_data_size = sizeof(MOVMuxContext),
4944 .audio_codec = AV_CODEC_ID_AAC,
4945 .video_codec = CONFIG_LIBX264_ENCODER ?
4946 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4947 .write_header = mov_write_header,
4948 .write_packet = mov_write_packet,
4949 .write_trailer = mov_write_trailer,
4950 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4951 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4952 .priv_class = &psp_muxer_class,
4955 #if CONFIG_TG2_MUXER
4957 AVOutputFormat ff_tg2_muxer = {
4959 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
4960 .extensions = "3g2",
4961 .priv_data_size = sizeof(MOVMuxContext),
4962 .audio_codec = AV_CODEC_ID_AMR_NB,
4963 .video_codec = AV_CODEC_ID_H263,
4964 .write_header = mov_write_header,
4965 .write_packet = mov_write_packet,
4966 .write_trailer = mov_write_trailer,
4967 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4968 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
4969 .priv_class = &tg2_muxer_class,
4972 #if CONFIG_IPOD_MUXER
4974 AVOutputFormat ff_ipod_muxer = {
4976 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
4977 .mime_type = "application/mp4",
4978 .extensions = "m4v,m4a",
4979 .priv_data_size = sizeof(MOVMuxContext),
4980 .audio_codec = AV_CODEC_ID_AAC,
4981 .video_codec = AV_CODEC_ID_H264,
4982 .write_header = mov_write_header,
4983 .write_packet = mov_write_packet,
4984 .write_trailer = mov_write_trailer,
4985 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4986 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
4987 .priv_class = &ipod_muxer_class,
4990 #if CONFIG_ISMV_MUXER
4992 AVOutputFormat ff_ismv_muxer = {
4994 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
4995 .mime_type = "application/mp4",
4996 .extensions = "ismv,isma",
4997 .priv_data_size = sizeof(MOVMuxContext),
4998 .audio_codec = AV_CODEC_ID_AAC,
4999 .video_codec = AV_CODEC_ID_H264,
5000 .write_header = mov_write_header,
5001 .write_packet = mov_write_packet,
5002 .write_trailer = mov_write_trailer,
5003 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
5004 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
5005 .priv_class = &ismv_muxer_class,
5008 #if CONFIG_F4V_MUXER
5010 AVOutputFormat ff_f4v_muxer = {
5012 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
5013 .mime_type = "application/f4v",
5014 .extensions = "f4v",
5015 .priv_data_size = sizeof(MOVMuxContext),
5016 .audio_codec = AV_CODEC_ID_AAC,
5017 .video_codec = AV_CODEC_ID_H264,
5018 .write_header = mov_write_header,
5019 .write_packet = mov_write_packet,
5020 .write_trailer = mov_write_trailer,
5021 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
5022 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
5023 .priv_class = &f4v_muxer_class,