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 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
67 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_INT, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
68 { "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},
69 { "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},
70 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
71 { "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},
72 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
73 { "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},
74 { "use_editlist", "use edit list", offsetof(MOVMuxContext, use_editlist), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
75 { "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},
76 { "brand", "Override major brand", offsetof(MOVMuxContext, major_brand), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
80 #define MOV_CLASS(flavor)\
81 static const AVClass flavor ## _muxer_class = {\
82 .class_name = #flavor " muxer",\
83 .item_name = av_default_item_name,\
85 .version = LIBAVUTIL_VERSION_INT,\
88 static int get_moov_size(AVFormatContext *s);
90 static int utf8len(const uint8_t *b)
95 GET_UTF8(val, *b++, return -1;)
101 //FIXME support 64 bit variant with wide placeholders
102 static int64_t update_size(AVIOContext *pb, int64_t pos)
104 int64_t curpos = avio_tell(pb);
105 avio_seek(pb, pos, SEEK_SET);
106 avio_wb32(pb, curpos - pos); /* rewrite size */
107 avio_seek(pb, curpos, SEEK_SET);
112 static int supports_edts(MOVMuxContext *mov)
114 // EDTS with fragments is tricky as we don't know the duration when its written
115 // also we might end up having to write the EDTS before the first packet, which would fail
116 return (mov->use_editlist<0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) || mov->use_editlist>0;
119 static int co64_required(const MOVTrack *track)
121 if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX)
126 /* Chunk offset atom */
127 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
130 int mode64 = co64_required(track); // use 32 bit size variant if possible
131 int64_t pos = avio_tell(pb);
132 avio_wb32(pb, 0); /* size */
134 ffio_wfourcc(pb, "co64");
136 ffio_wfourcc(pb, "stco");
137 avio_wb32(pb, 0); /* version & flags */
138 avio_wb32(pb, track->chunkCount); /* entry count */
139 for (i = 0; i < track->entry; i++) {
140 if (!track->cluster[i].chunkNum)
143 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
145 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
147 return update_size(pb, pos);
150 /* Sample size atom */
151 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
154 int i, j, entries = 0, tst = -1, oldtst = -1;
156 int64_t pos = avio_tell(pb);
157 avio_wb32(pb, 0); /* size */
158 ffio_wfourcc(pb, "stsz");
159 avio_wb32(pb, 0); /* version & flags */
161 for (i = 0; i < track->entry; i++) {
162 tst = track->cluster[i].size / track->cluster[i].entries;
163 if (oldtst != -1 && tst != oldtst)
166 entries += track->cluster[i].entries;
168 if (equalChunks && track->entry) {
169 int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0;
170 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
171 avio_wb32(pb, sSize); // sample size
172 avio_wb32(pb, entries); // sample count
174 avio_wb32(pb, 0); // sample size
175 avio_wb32(pb, entries); // sample count
176 for (i = 0; i < track->entry; i++) {
177 for (j = 0; j < track->cluster[i].entries; j++) {
178 avio_wb32(pb, track->cluster[i].size /
179 track->cluster[i].entries);
183 return update_size(pb, pos);
186 /* Sample to chunk atom */
187 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
189 int index = 0, oldval = -1, i;
190 int64_t entryPos, curpos;
192 int64_t pos = avio_tell(pb);
193 avio_wb32(pb, 0); /* size */
194 ffio_wfourcc(pb, "stsc");
195 avio_wb32(pb, 0); // version & flags
196 entryPos = avio_tell(pb);
197 avio_wb32(pb, track->chunkCount); // entry count
198 for (i = 0; i < track->entry; i++) {
199 if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum) {
200 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
201 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
202 avio_wb32(pb, 0x1); // sample description index
203 oldval = track->cluster[i].samples_in_chunk;
207 curpos = avio_tell(pb);
208 avio_seek(pb, entryPos, SEEK_SET);
209 avio_wb32(pb, index); // rewrite size
210 avio_seek(pb, curpos, SEEK_SET);
212 return update_size(pb, pos);
215 /* Sync sample atom */
216 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
218 int64_t curpos, entryPos;
220 int64_t pos = avio_tell(pb);
221 avio_wb32(pb, 0); // size
222 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
223 avio_wb32(pb, 0); // version & flags
224 entryPos = avio_tell(pb);
225 avio_wb32(pb, track->entry); // entry count
226 for (i = 0; i < track->entry; i++) {
227 if (track->cluster[i].flags & flag) {
228 avio_wb32(pb, i + 1);
232 curpos = avio_tell(pb);
233 avio_seek(pb, entryPos, SEEK_SET);
234 avio_wb32(pb, index); // rewrite size
235 avio_seek(pb, curpos, SEEK_SET);
236 return update_size(pb, pos);
239 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
241 avio_wb32(pb, 0x11); /* size */
242 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
243 else ffio_wfourcc(pb, "damr");
244 ffio_wfourcc(pb, "FFMP");
245 avio_w8(pb, 0); /* decoder version */
247 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
248 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
249 avio_w8(pb, 0x01); /* Frames per sample */
253 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
258 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
260 if (track->vos_len < 7)
264 ffio_wfourcc(pb, "dac3");
266 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
267 fscod = get_bits(&gbc, 2);
268 frmsizecod = get_bits(&gbc, 6);
269 bsid = get_bits(&gbc, 5);
270 bsmod = get_bits(&gbc, 3);
271 acmod = get_bits(&gbc, 3);
273 skip_bits(&gbc, 2); // dsurmod
275 if ((acmod & 1) && acmod != 1)
276 skip_bits(&gbc, 2); // cmixlev
278 skip_bits(&gbc, 2); // surmixlev
280 lfeon = get_bits1(&gbc);
282 init_put_bits(&pbc, buf, sizeof(buf));
283 put_bits(&pbc, 2, fscod);
284 put_bits(&pbc, 5, bsid);
285 put_bits(&pbc, 3, bsmod);
286 put_bits(&pbc, 3, acmod);
287 put_bits(&pbc, 1, lfeon);
288 put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code
289 put_bits(&pbc, 5, 0); // reserved
291 flush_put_bits(&pbc);
292 avio_write(pb, buf, sizeof(buf));
300 /* Layout of the EC3SpecificBox */
301 /* maximum bitrate */
303 /* number of independent substreams */
306 /* sample rate code (see ff_ac3_sample_rate_tab) 2 bits */
308 /* bit stream identification 5 bits */
310 /* one bit reserved */
311 /* audio service mixing (not supported yet) 1 bit */
312 /* bit stream mode 3 bits */
314 /* audio coding mode 3 bits */
316 /* sub woofer on 1 bit */
318 /* 3 bits reserved */
319 /* number of dependent substreams associated with this substream 4 bits */
321 /* channel locations of the dependent substream(s), if any, 9 bits */
323 /* if there is no dependent substream, then one bit reserved instead */
324 } substream[1]; /* TODO: support 8 independent substreams */
327 static int handle_eac3(MOVMuxContext *mov, AVPacket *pkt, MOVTrack *track)
330 AC3HeaderInfo tmp, *hdr = &tmp;
331 struct eac3_info *info;
334 if (!track->eac3_priv && !(track->eac3_priv = av_mallocz(sizeof(*info))))
335 return AVERROR(ENOMEM);
336 info = track->eac3_priv;
338 init_get_bits(&gbc, pkt->data, pkt->size * 8);
339 if (avpriv_ac3_parse_header2(&gbc, &hdr) < 0) {
340 /* drop the packets until we see a good one */
342 av_log(mov, AV_LOG_WARNING, "Dropping invalid packet from start of the stream\n");
345 return AVERROR_INVALIDDATA;
348 info->data_rate = FFMAX(info->data_rate, hdr->bit_rate / 1000);
349 num_blocks = hdr->num_blocks;
351 if (!info->ec3_done) {
352 /* AC-3 substream must be the first one */
353 if (hdr->bitstream_id <= 10 && hdr->substreamid != 0)
354 return AVERROR(EINVAL);
356 /* this should always be the case, given that our AC-3 parser
357 * concatenates dependent frames to their independent parent */
358 if (hdr->frame_type == EAC3_FRAME_TYPE_INDEPENDENT) {
359 /* substream ids must be incremental */
360 if (hdr->substreamid > info->num_ind_sub + 1)
361 return AVERROR(EINVAL);
363 if (hdr->substreamid == info->num_ind_sub + 1) {
364 //info->num_ind_sub++;
365 avpriv_request_sample(track->enc, "Multiple independent substreams");
366 return AVERROR_PATCHWELCOME;
367 } else if (hdr->substreamid < info->num_ind_sub ||
368 hdr->substreamid == 0 && info->substream[0].bsid) {
374 /* fill the info needed for the "dec3" atom */
375 info->substream[hdr->substreamid].fscod = hdr->sr_code;
376 info->substream[hdr->substreamid].bsid = hdr->bitstream_id;
377 info->substream[hdr->substreamid].bsmod = hdr->bitstream_mode;
378 info->substream[hdr->substreamid].acmod = hdr->channel_mode;
379 info->substream[hdr->substreamid].lfeon = hdr->lfe_on;
381 /* Parse dependent substream(s), if any */
382 if (pkt->size != hdr->frame_size) {
383 int cumul_size = hdr->frame_size;
384 int parent = hdr->substreamid;
386 while (cumul_size != pkt->size) {
388 init_get_bits(&gbc, pkt->data + cumul_size, (pkt->size - cumul_size) * 8);
389 if (avpriv_ac3_parse_header2(&gbc, &hdr) < 0)
390 return AVERROR_INVALIDDATA;
391 if (hdr->frame_type != EAC3_FRAME_TYPE_DEPENDENT)
392 return AVERROR(EINVAL);
393 cumul_size += hdr->frame_size;
394 info->substream[parent].num_dep_sub++;
396 /* header is parsed up to lfeon, but custom channel map may be needed */
399 /* skip volume control params */
400 for (i = 0; i < (hdr->channel_mode ? 1 : 2); i++) {
401 skip_bits(&gbc, 5); // skip dialog normalization
402 if (get_bits1(&gbc)) {
403 skip_bits(&gbc, 8); // skip compression gain word
406 /* get the dependent stream channel map, if exists */
408 info->substream[parent].chan_loc |= (get_bits(&gbc, 16) >> 5) & 0x1f;
410 info->substream[parent].chan_loc |= hdr->channel_mode;
415 /* TODO: concatenate syncframes to have 6 blocks per entry */
417 if (num_blocks != 6) {
418 avpriv_request_sample(track->enc, "%d block(s) in syncframe", num_blocks);
419 return AVERROR_PATCHWELCOME;
425 static int mov_write_eac3_tag(AVIOContext *pb, MOVTrack *track)
429 struct eac3_info *info;
432 if (!track->eac3_priv)
433 return AVERROR(EINVAL);
435 info = track->eac3_priv;
436 size = 2 + 4 * (info->num_ind_sub + 1);
437 buf = av_malloc(size);
439 av_freep(&track->eac3_priv);
440 return AVERROR(ENOMEM);
443 init_put_bits(&pbc, buf, size);
444 put_bits(&pbc, 13, info->data_rate);
445 put_bits(&pbc, 3, info->num_ind_sub);
446 for (i = 0; i <= info->num_ind_sub; i++) {
447 put_bits(&pbc, 2, info->substream[i].fscod);
448 put_bits(&pbc, 5, info->substream[i].bsid);
449 put_bits(&pbc, 1, 0); /* reserved */
450 put_bits(&pbc, 1, 0); /* asvc */
451 put_bits(&pbc, 3, info->substream[i].bsmod);
452 put_bits(&pbc, 3, info->substream[i].acmod);
453 put_bits(&pbc, 1, info->substream[i].lfeon);
454 put_bits(&pbc, 5, 0); /* reserved */
455 put_bits(&pbc, 4, info->substream[i].num_dep_sub);
456 if (!info->substream[i].num_dep_sub) {
457 put_bits(&pbc, 1, 0); /* reserved */
460 put_bits(&pbc, 9, info->substream[i].chan_loc);
463 flush_put_bits(&pbc);
465 avio_wb32(pb, size + 8);
466 ffio_wfourcc(pb, "dec3");
467 avio_write(pb, buf, size);
470 av_freep(&track->eac3_priv);
476 * This function writes extradata "as is".
477 * Extradata must be formatted like a valid atom (with size and tag).
479 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
481 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
482 return track->enc->extradata_size;
485 static int mov_write_enda_tag(AVIOContext *pb)
488 ffio_wfourcc(pb, "enda");
489 avio_wb16(pb, 1); /* little endian */
493 static int mov_write_enda_tag_be(AVIOContext *pb)
496 ffio_wfourcc(pb, "enda");
497 avio_wb16(pb, 0); /* big endian */
501 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
506 avio_w8(pb, (size >> (7 * i)) | 0x80);
507 avio_w8(pb, size & 0x7F);
510 static unsigned compute_avg_bitrate(MOVTrack *track)
514 if (!track->track_duration)
516 for (i = 0; i < track->entry; i++)
517 size += track->cluster[i].size;
518 return size * 8 * track->timescale / track->track_duration;
521 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
523 int64_t pos = avio_tell(pb);
524 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
525 unsigned avg_bitrate;
527 avio_wb32(pb, 0); // size
528 ffio_wfourcc(pb, "esds");
529 avio_wb32(pb, 0); // Version
532 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
533 avio_wb16(pb, track->track_id);
534 avio_w8(pb, 0x00); // flags (= no flags)
536 // DecoderConfig descriptor
537 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
539 // Object type indication
540 if ((track->enc->codec_id == AV_CODEC_ID_MP2 ||
541 track->enc->codec_id == AV_CODEC_ID_MP3) &&
542 track->enc->sample_rate > 24000)
543 avio_w8(pb, 0x6B); // 11172-3
545 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
547 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
548 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
549 if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
550 avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
551 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
552 avio_w8(pb, 0x15); // flags (= Audiostream)
554 avio_w8(pb, 0x11); // flags (= Visualstream)
556 avio_wb24(pb, track->enc->rc_buffer_size >> 3); // Buffersize DB
558 avg_bitrate = compute_avg_bitrate(track);
559 // maxbitrate (FIXME should be max rate in any 1 sec window)
560 avio_wb32(pb, FFMAX3(track->enc->bit_rate, track->enc->rc_max_rate, avg_bitrate));
561 avio_wb32(pb, avg_bitrate);
563 if (track->vos_len) {
564 // DecoderSpecific info descriptor
565 put_descr(pb, 0x05, track->vos_len);
566 avio_write(pb, track->vos_data, track->vos_len);
570 put_descr(pb, 0x06, 1);
572 return update_size(pb, pos);
575 static int mov_pcm_le_gt16(enum AVCodecID codec_id)
577 return codec_id == AV_CODEC_ID_PCM_S24LE ||
578 codec_id == AV_CODEC_ID_PCM_S32LE ||
579 codec_id == AV_CODEC_ID_PCM_F32LE ||
580 codec_id == AV_CODEC_ID_PCM_F64LE;
583 static int mov_pcm_be_gt16(enum AVCodecID codec_id)
585 return codec_id == AV_CODEC_ID_PCM_S24BE ||
586 codec_id == AV_CODEC_ID_PCM_S32BE ||
587 codec_id == AV_CODEC_ID_PCM_F32BE ||
588 codec_id == AV_CODEC_ID_PCM_F64BE;
591 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
594 int64_t pos = avio_tell(pb);
596 avio_wl32(pb, track->tag); // store it byteswapped
597 track->enc->codec_tag = av_bswap16(track->tag >> 16);
598 if ((ret = ff_put_wav_header(pb, track->enc, 0)) < 0)
600 return update_size(pb, pos);
603 static int mov_write_wfex_tag(AVIOContext *pb, MOVTrack *track)
606 int64_t pos = avio_tell(pb);
608 ffio_wfourcc(pb, "wfex");
609 if ((ret = ff_put_wav_header(pb, track->enc, FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX)) < 0)
611 return update_size(pb, pos);
614 static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
616 uint32_t layout_tag, bitmap;
617 int64_t pos = avio_tell(pb);
619 layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
620 track->enc->channel_layout,
623 av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
624 "lack of channel information\n");
628 if (track->multichannel_as_mono)
631 avio_wb32(pb, 0); // Size
632 ffio_wfourcc(pb, "chan"); // Type
633 avio_w8(pb, 0); // Version
634 avio_wb24(pb, 0); // Flags
635 avio_wb32(pb, layout_tag); // mChannelLayoutTag
636 avio_wb32(pb, bitmap); // mChannelBitmap
637 avio_wb32(pb, 0); // mNumberChannelDescriptions
639 return update_size(pb, pos);
642 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
644 int64_t pos = avio_tell(pb);
646 avio_wb32(pb, 0); /* size */
647 ffio_wfourcc(pb, "wave");
649 if (track->enc->codec_id != AV_CODEC_ID_QDM2) {
650 avio_wb32(pb, 12); /* size */
651 ffio_wfourcc(pb, "frma");
652 avio_wl32(pb, track->tag);
655 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
656 /* useless atom needed by mplayer, ipod, not needed by quicktime */
657 avio_wb32(pb, 12); /* size */
658 ffio_wfourcc(pb, "mp4a");
660 mov_write_esds_tag(pb, track);
661 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
662 mov_write_enda_tag(pb);
663 } else if (mov_pcm_be_gt16(track->enc->codec_id)) {
664 mov_write_enda_tag_be(pb);
665 } else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB) {
666 mov_write_amr_tag(pb, track);
667 } else if (track->enc->codec_id == AV_CODEC_ID_AC3) {
668 mov_write_ac3_tag(pb, track);
669 } else if (track->enc->codec_id == AV_CODEC_ID_EAC3) {
670 mov_write_eac3_tag(pb, track);
671 } else if (track->enc->codec_id == AV_CODEC_ID_ALAC ||
672 track->enc->codec_id == AV_CODEC_ID_QDM2) {
673 mov_write_extradata_tag(pb, track);
674 } else if (track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
675 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
676 mov_write_ms_tag(pb, track);
679 avio_wb32(pb, 8); /* size */
680 avio_wb32(pb, 0); /* null tag */
682 return update_size(pb, pos);
685 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
688 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
689 int unescaped_size, seq_found = 0;
690 int level = 0, interlace = 0;
691 int packet_seq = track->vc1_info.packet_seq;
692 int packet_entry = track->vc1_info.packet_entry;
693 int slices = track->vc1_info.slices;
696 if (track->start_dts == AV_NOPTS_VALUE) {
697 /* No packets written yet, vc1_info isn't authoritative yet. */
698 /* Assume inline sequence and entry headers. This will be
699 * overwritten at the end if the file is seekable. */
700 packet_seq = packet_entry = 1;
703 unescaped = av_mallocz(track->vos_len + FF_INPUT_BUFFER_PADDING_SIZE);
705 return AVERROR(ENOMEM);
706 start = find_next_marker(track->vos_data, end);
707 for (next = start; next < end; start = next) {
710 next = find_next_marker(start + 4, end);
711 size = next - start - 4;
714 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
715 init_get_bits(&gb, unescaped, 8 * unescaped_size);
716 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
717 int profile = get_bits(&gb, 2);
718 if (profile != PROFILE_ADVANCED) {
720 return AVERROR(ENOSYS);
723 level = get_bits(&gb, 3);
724 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
726 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
727 skip_bits(&gb, 1); /* broadcast */
728 interlace = get_bits1(&gb);
729 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
734 return AVERROR(ENOSYS);
737 init_put_bits(&pbc, buf, 7);
738 /* VC1DecSpecStruc */
739 put_bits(&pbc, 4, 12); /* profile - advanced */
740 put_bits(&pbc, 3, level);
741 put_bits(&pbc, 1, 0); /* reserved */
742 /* VC1AdvDecSpecStruc */
743 put_bits(&pbc, 3, level);
744 put_bits(&pbc, 1, 0); /* cbr */
745 put_bits(&pbc, 6, 0); /* reserved */
746 put_bits(&pbc, 1, !interlace); /* no interlace */
747 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
748 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
749 put_bits(&pbc, 1, !slices); /* no slice code */
750 put_bits(&pbc, 1, 0); /* no bframe */
751 put_bits(&pbc, 1, 0); /* reserved */
754 if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0)
755 put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den);
757 put_bits32(&pbc, 0xffffffff);
759 flush_put_bits(&pbc);
766 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
768 uint8_t buf[7] = { 0 };
771 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
774 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
775 ffio_wfourcc(pb, "dvc1");
776 track->vc1_info.struct_offset = avio_tell(pb);
777 avio_write(pb, buf, sizeof(buf));
778 avio_write(pb, track->vos_data, track->vos_len);
783 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
785 avio_wb32(pb, track->vos_len + 8);
786 ffio_wfourcc(pb, "glbl");
787 avio_write(pb, track->vos_data, track->vos_len);
788 return 8 + track->vos_len;
792 * Compute flags for 'lpcm' tag.
793 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
795 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
798 case AV_CODEC_ID_PCM_F32BE:
799 case AV_CODEC_ID_PCM_F64BE:
801 case AV_CODEC_ID_PCM_F32LE:
802 case AV_CODEC_ID_PCM_F64LE:
804 case AV_CODEC_ID_PCM_U8:
806 case AV_CODEC_ID_PCM_S16BE:
807 case AV_CODEC_ID_PCM_S24BE:
808 case AV_CODEC_ID_PCM_S32BE:
810 case AV_CODEC_ID_PCM_S8:
811 case AV_CODEC_ID_PCM_S16LE:
812 case AV_CODEC_ID_PCM_S24LE:
813 case AV_CODEC_ID_PCM_S32LE:
820 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
824 if (cluster_idx >= track->entry)
827 if (cluster_idx + 1 == track->entry)
828 next_dts = track->track_duration + track->start_dts;
830 next_dts = track->cluster[cluster_idx + 1].dts;
832 next_dts -= track->cluster[cluster_idx].dts;
834 av_assert0(next_dts >= 0);
835 av_assert0(next_dts <= INT_MAX);
840 static int get_samples_per_packet(MOVTrack *track)
842 int i, first_duration;
844 // return track->enc->frame_size;
846 /* use 1 for raw PCM */
847 if (!track->audio_vbr)
850 /* check to see if duration is constant for all clusters */
853 first_duration = get_cluster_duration(track, 0);
854 for (i = 1; i < track->entry; i++) {
855 if (get_cluster_duration(track, i) != first_duration)
858 return first_duration;
861 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
863 int64_t pos = avio_tell(pb);
865 uint32_t tag = track->tag;
867 if (track->mode == MODE_MOV) {
868 if (track->timescale > UINT16_MAX) {
869 if (mov_get_lpcm_flags(track->enc->codec_id))
870 tag = AV_RL32("lpcm");
872 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
873 mov_pcm_be_gt16(track->enc->codec_id) ||
874 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
875 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
876 track->enc->codec_id == AV_CODEC_ID_QDM2) {
881 avio_wb32(pb, 0); /* size */
882 avio_wl32(pb, tag); // store it byteswapped
883 avio_wb32(pb, 0); /* Reserved */
884 avio_wb16(pb, 0); /* Reserved */
885 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
887 /* SoundDescription */
888 avio_wb16(pb, version); /* Version */
889 avio_wb16(pb, 0); /* Revision level */
890 avio_wb32(pb, 0); /* Reserved */
895 avio_wb16(pb, 0xfffe);
897 avio_wb32(pb, 0x00010000);
899 avio_wb64(pb, av_double2int(track->enc->sample_rate));
900 avio_wb32(pb, track->enc->channels);
901 avio_wb32(pb, 0x7F000000);
902 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
903 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
904 avio_wb32(pb, track->sample_size);
905 avio_wb32(pb, get_samples_per_packet(track));
907 if (track->mode == MODE_MOV) {
908 avio_wb16(pb, track->enc->channels);
909 if (track->enc->codec_id == AV_CODEC_ID_PCM_U8 ||
910 track->enc->codec_id == AV_CODEC_ID_PCM_S8)
911 avio_wb16(pb, 8); /* bits per sample */
914 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
915 } else { /* reserved for mp4/3gp */
921 avio_wb16(pb, 0); /* packet size (= 0) */
922 avio_wb16(pb, track->enc->sample_rate <= UINT16_MAX ?
923 track->enc->sample_rate : 0);
924 avio_wb16(pb, 0); /* Reserved */
927 if (version == 1) { /* SoundDescription V1 extended info */
928 if (mov_pcm_le_gt16(track->enc->codec_id) ||
929 mov_pcm_be_gt16(track->enc->codec_id))
930 avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
932 avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
933 avio_wb32(pb, track->sample_size / track->enc->channels); /* Bytes per packet */
934 avio_wb32(pb, track->sample_size); /* Bytes per frame */
935 avio_wb32(pb, 2); /* Bytes per sample */
938 if (track->mode == MODE_MOV &&
939 (track->enc->codec_id == AV_CODEC_ID_AAC ||
940 track->enc->codec_id == AV_CODEC_ID_AC3 ||
941 track->enc->codec_id == AV_CODEC_ID_EAC3 ||
942 track->enc->codec_id == AV_CODEC_ID_AMR_NB ||
943 track->enc->codec_id == AV_CODEC_ID_ALAC ||
944 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
945 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
946 track->enc->codec_id == AV_CODEC_ID_QDM2 ||
947 (mov_pcm_le_gt16(track->enc->codec_id) && version==1) ||
948 (mov_pcm_be_gt16(track->enc->codec_id) && version==1)))
949 mov_write_wave_tag(pb, track);
950 else if (track->tag == MKTAG('m','p','4','a'))
951 mov_write_esds_tag(pb, track);
952 else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB)
953 mov_write_amr_tag(pb, track);
954 else if (track->enc->codec_id == AV_CODEC_ID_AC3)
955 mov_write_ac3_tag(pb, track);
956 else if (track->enc->codec_id == AV_CODEC_ID_EAC3)
957 mov_write_eac3_tag(pb, track);
958 else if (track->enc->codec_id == AV_CODEC_ID_ALAC)
959 mov_write_extradata_tag(pb, track);
960 else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO)
961 mov_write_wfex_tag(pb, track);
962 else if (track->vos_len > 0)
963 mov_write_glbl_tag(pb, track);
965 if (track->mode == MODE_MOV && track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
966 mov_write_chan_tag(pb, track);
968 return update_size(pb, pos);
971 static int mov_write_d263_tag(AVIOContext *pb)
973 avio_wb32(pb, 0xf); /* size */
974 ffio_wfourcc(pb, "d263");
975 ffio_wfourcc(pb, "FFMP");
976 avio_w8(pb, 0); /* decoder version */
977 /* FIXME use AVCodecContext level/profile, when encoder will set values */
978 avio_w8(pb, 0xa); /* level */
979 avio_w8(pb, 0); /* profile */
983 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
985 int64_t pos = avio_tell(pb);
988 ffio_wfourcc(pb, "avcC");
989 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
990 return update_size(pb, pos);
993 static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
995 int64_t pos = avio_tell(pb);
998 ffio_wfourcc(pb, "hvcC");
999 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
1000 return update_size(pb, pos);
1003 /* also used by all avid codecs (dv, imx, meridien) and their variants */
1004 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
1007 avio_wb32(pb, 24); /* size */
1008 ffio_wfourcc(pb, "ACLR");
1009 ffio_wfourcc(pb, "ACLR");
1010 ffio_wfourcc(pb, "0001");
1011 if (track->enc->color_range == AVCOL_RANGE_MPEG) { /* Legal range (16-235) */
1012 avio_wb32(pb, 1); /* Corresponds to 709 in official encoder */
1013 } else { /* Full range (0-255) */
1014 avio_wb32(pb, 2); /* Corresponds to RGB in official encoder */
1016 avio_wb32(pb, 0); /* unknown */
1018 avio_wb32(pb, 24); /* size */
1019 ffio_wfourcc(pb, "APRG");
1020 ffio_wfourcc(pb, "APRG");
1021 ffio_wfourcc(pb, "0001");
1022 avio_wb32(pb, 1); /* unknown */
1023 avio_wb32(pb, 0); /* unknown */
1025 avio_wb32(pb, 120); /* size */
1026 ffio_wfourcc(pb, "ARES");
1027 ffio_wfourcc(pb, "ARES");
1028 ffio_wfourcc(pb, "0001");
1029 avio_wb32(pb, AV_RB32(track->vos_data + 0x28)); /* dnxhd cid, some id ? */
1030 avio_wb32(pb, track->enc->width);
1031 /* values below are based on samples created with quicktime and avid codecs */
1032 if (track->vos_data[5] & 2) { // interlaced
1033 avio_wb32(pb, track->enc->height / 2);
1034 avio_wb32(pb, 2); /* unknown */
1035 avio_wb32(pb, 0); /* unknown */
1036 avio_wb32(pb, 4); /* unknown */
1038 avio_wb32(pb, track->enc->height);
1039 avio_wb32(pb, 1); /* unknown */
1040 avio_wb32(pb, 0); /* unknown */
1041 if (track->enc->height == 1080)
1042 avio_wb32(pb, 5); /* unknown */
1044 avio_wb32(pb, 6); /* unknown */
1047 for (i = 0; i < 10; i++)
1050 /* extra padding for stsd needed */
1055 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1057 int tag = track->enc->codec_tag;
1059 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
1062 if (track->enc->codec_id == AV_CODEC_ID_H264) tag = MKTAG('a','v','c','1');
1063 else if (track->enc->codec_id == AV_CODEC_ID_HEVC) tag = MKTAG('h','e','v','1');
1064 else if (track->enc->codec_id == AV_CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
1065 else if (track->enc->codec_id == AV_CODEC_ID_EAC3) tag = MKTAG('e','c','-','3');
1066 else if (track->enc->codec_id == AV_CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
1067 else if (track->enc->codec_id == AV_CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
1068 else if (track->enc->codec_id == AV_CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
1069 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
1070 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
1071 else if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE) tag = MKTAG('m','p','4','s');
1076 static const AVCodecTag codec_ipod_tags[] = {
1077 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1078 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
1079 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1080 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
1081 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
1082 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
1083 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
1084 { AV_CODEC_ID_NONE, 0 },
1087 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1089 int tag = track->enc->codec_tag;
1091 // keep original tag for subs, ipod supports both formats
1092 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
1093 (tag == MKTAG('t', 'x', '3', 'g') ||
1094 tag == MKTAG('t', 'e', 'x', 't'))))
1095 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
1097 if (!av_match_ext(s->filename, "m4a") &&
1098 !av_match_ext(s->filename, "m4b") &&
1099 !av_match_ext(s->filename, "m4v"))
1100 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a, .m4v nor .m4b "
1101 "Quicktime/Ipod might not play the file\n");
1106 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
1110 if (track->enc->width == 720) { /* SD */
1111 if (track->enc->height == 480) { /* NTSC */
1112 if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
1113 else tag = MKTAG('d','v','c',' ');
1114 }else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
1115 else if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
1116 else tag = MKTAG('d','v','p','p');
1117 } else if (track->enc->height == 720) { /* HD 720 line */
1118 if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q');
1119 else tag = MKTAG('d','v','h','p');
1120 } else if (track->enc->height == 1080) { /* HD 1080 line */
1121 if (track->st->time_base.den == 25) tag = MKTAG('d','v','h','5');
1122 else tag = MKTAG('d','v','h','6');
1124 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
1131 static AVRational find_fps(AVFormatContext *s, AVStream *st)
1133 AVRational rate = {st->codec->time_base.den, st->codec->time_base.num};
1134 /* if the codec time base makes no sense, try to fallback on stream frame rate */
1135 if (av_timecode_check_frame_rate(rate) < 0) {
1136 av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
1137 rate.num, rate.den, st->avg_frame_rate.num, st->avg_frame_rate.den);
1138 rate = st->avg_frame_rate;
1144 static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext *s, MOVTrack *track)
1146 int tag = track->enc->codec_tag;
1147 int interlaced = track->enc->field_order > AV_FIELD_PROGRESSIVE;
1148 AVStream *st = track->st;
1149 int rate = av_q2d(find_fps(s, st));
1152 tag = MKTAG('m', '2', 'v', '1'); //fallback tag
1154 if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) {
1155 if (track->enc->width == 1280 && track->enc->height == 720) {
1157 if (rate == 24) tag = MKTAG('x','d','v','4');
1158 else if (rate == 25) tag = MKTAG('x','d','v','5');
1159 else if (rate == 30) tag = MKTAG('x','d','v','1');
1160 else if (rate == 50) tag = MKTAG('x','d','v','a');
1161 else if (rate == 60) tag = MKTAG('x','d','v','9');
1163 } else if (track->enc->width == 1440 && track->enc->height == 1080) {
1165 if (rate == 24) tag = MKTAG('x','d','v','6');
1166 else if (rate == 25) tag = MKTAG('x','d','v','7');
1167 else if (rate == 30) tag = MKTAG('x','d','v','8');
1169 if (rate == 25) tag = MKTAG('x','d','v','3');
1170 else if (rate == 30) tag = MKTAG('x','d','v','2');
1172 } else if (track->enc->width == 1920 && track->enc->height == 1080) {
1174 if (rate == 24) tag = MKTAG('x','d','v','d');
1175 else if (rate == 25) tag = MKTAG('x','d','v','e');
1176 else if (rate == 30) tag = MKTAG('x','d','v','f');
1178 if (rate == 25) tag = MKTAG('x','d','v','c');
1179 else if (rate == 30) tag = MKTAG('x','d','v','b');
1182 } else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) {
1183 if (track->enc->width == 1280 && track->enc->height == 720) {
1185 if (rate == 24) tag = MKTAG('x','d','5','4');
1186 else if (rate == 25) tag = MKTAG('x','d','5','5');
1187 else if (rate == 30) tag = MKTAG('x','d','5','1');
1188 else if (rate == 50) tag = MKTAG('x','d','5','a');
1189 else if (rate == 60) tag = MKTAG('x','d','5','9');
1191 } else if (track->enc->width == 1920 && track->enc->height == 1080) {
1193 if (rate == 24) tag = MKTAG('x','d','5','d');
1194 else if (rate == 25) tag = MKTAG('x','d','5','e');
1195 else if (rate == 30) tag = MKTAG('x','d','5','f');
1197 if (rate == 25) tag = MKTAG('x','d','5','c');
1198 else if (rate == 30) tag = MKTAG('x','d','5','b');
1206 static int mov_get_h264_codec_tag(AVFormatContext *s, MOVTrack *track)
1208 int tag = track->enc->codec_tag;
1209 int interlaced = track->enc->field_order > AV_FIELD_PROGRESSIVE;
1210 AVStream *st = track->st;
1211 int rate = av_q2d(find_fps(s, st));
1214 tag = MKTAG('a', 'v', 'c', 'i'); //fallback tag
1216 if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P10) {
1217 if (track->enc->width == 960 && track->enc->height == 720) {
1219 if (rate == 24) tag = MKTAG('a','i','5','p');
1220 else if (rate == 25) tag = MKTAG('a','i','5','q');
1221 else if (rate == 30) tag = MKTAG('a','i','5','p');
1222 else if (rate == 50) tag = MKTAG('a','i','5','q');
1223 else if (rate == 60) tag = MKTAG('a','i','5','p');
1225 } else if (track->enc->width == 1440 && track->enc->height == 1080) {
1227 if (rate == 24) tag = MKTAG('a','i','5','3');
1228 else if (rate == 25) tag = MKTAG('a','i','5','2');
1229 else if (rate == 30) tag = MKTAG('a','i','5','3');
1231 if (rate == 50) tag = MKTAG('a','i','5','5');
1232 else if (rate == 60) tag = MKTAG('a','i','5','6');
1235 } else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P10) {
1236 if (track->enc->width == 1280 && track->enc->height == 720) {
1238 if (rate == 24) tag = MKTAG('a','i','1','p');
1239 else if (rate == 25) tag = MKTAG('a','i','1','q');
1240 else if (rate == 30) tag = MKTAG('a','i','1','p');
1241 else if (rate == 50) tag = MKTAG('a','i','1','q');
1242 else if (rate == 60) tag = MKTAG('a','i','1','p');
1244 } else if (track->enc->width == 1920 && track->enc->height == 1080) {
1246 if (rate == 24) tag = MKTAG('a','i','1','3');
1247 else if (rate == 25) tag = MKTAG('a','i','1','2');
1248 else if (rate == 30) tag = MKTAG('a','i','1','3');
1250 if (rate == 25) tag = MKTAG('a','i','1','5');
1251 else if (rate == 50) tag = MKTAG('a','i','1','5');
1252 else if (rate == 60) tag = MKTAG('a','i','1','6');
1260 static const struct {
1261 enum AVPixelFormat pix_fmt;
1264 } mov_pix_fmt_tags[] = {
1265 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
1266 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
1267 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
1268 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
1269 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
1270 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
1271 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
1272 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
1273 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
1274 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
1275 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
1276 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
1277 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
1278 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
1279 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
1282 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
1284 int tag = track->enc->codec_tag;
1286 enum AVPixelFormat pix_fmt;
1288 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
1289 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
1290 tag = mov_pix_fmt_tags[i].tag;
1291 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
1292 if (track->enc->codec_tag == mov_pix_fmt_tags[i].tag)
1297 pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_mov,
1298 track->enc->bits_per_coded_sample);
1299 if (tag == MKTAG('r','a','w',' ') &&
1300 track->enc->pix_fmt != pix_fmt &&
1301 track->enc->pix_fmt != AV_PIX_FMT_NONE)
1302 av_log(s, AV_LOG_ERROR, "%s rawvideo cannot be written to mov, output file will be unreadable\n",
1303 av_get_pix_fmt_name(track->enc->pix_fmt));
1307 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1309 int tag = track->enc->codec_tag;
1311 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
1312 (track->enc->codec_id == AV_CODEC_ID_DVVIDEO ||
1313 track->enc->codec_id == AV_CODEC_ID_RAWVIDEO ||
1314 track->enc->codec_id == AV_CODEC_ID_H263 ||
1315 track->enc->codec_id == AV_CODEC_ID_H264 ||
1316 track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
1317 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
1318 if (track->enc->codec_id == AV_CODEC_ID_DVVIDEO)
1319 tag = mov_get_dv_codec_tag(s, track);
1320 else if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO)
1321 tag = mov_get_rawvideo_codec_tag(s, track);
1322 else if (track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO)
1323 tag = mov_get_mpeg2_xdcam_codec_tag(s, track);
1324 else if (track->enc->codec_id == AV_CODEC_ID_H264)
1325 tag = mov_get_h264_codec_tag(s, track);
1326 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1327 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->enc->codec_id);
1328 if (!tag) { // if no mac fcc found, try with Microsoft tags
1329 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
1331 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
1332 "the file may be unplayable!\n");
1334 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1335 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->enc->codec_id);
1336 if (!tag) { // if no mac fcc found, try with Microsoft tags
1337 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
1339 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
1340 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
1341 "the file may be unplayable!\n");
1344 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1345 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
1351 static const AVCodecTag codec_3gp_tags[] = {
1352 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
1353 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1354 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
1355 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1356 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
1357 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
1358 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
1359 { AV_CODEC_ID_NONE, 0 },
1362 static const AVCodecTag codec_f4v_tags[] = { // XXX: add GIF/PNG/JPEG?
1363 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
1364 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1365 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1366 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
1367 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
1368 { AV_CODEC_ID_NONE, 0 },
1371 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
1375 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
1376 tag = mp4_get_codec_tag(s, track);
1377 else if (track->mode == MODE_ISM) {
1378 tag = mp4_get_codec_tag(s, track);
1379 if (!tag && track->enc->codec_id == AV_CODEC_ID_WMAPRO)
1380 tag = MKTAG('w', 'm', 'a', ' ');
1381 } else if (track->mode == MODE_IPOD)
1382 tag = ipod_get_codec_tag(s, track);
1383 else if (track->mode & MODE_3GP)
1384 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
1385 else if (track->mode == MODE_F4V)
1386 tag = ff_codec_get_tag(codec_f4v_tags, track->enc->codec_id);
1388 tag = mov_get_codec_tag(s, track);
1393 /** Write uuid atom.
1394 * Needed to make file play in iPods running newest firmware
1395 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1397 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1400 ffio_wfourcc(pb, "uuid");
1401 avio_wb32(pb, 0x6b6840f2);
1402 avio_wb32(pb, 0x5f244fc5);
1403 avio_wb32(pb, 0xba39a51b);
1404 avio_wb32(pb, 0xcf0323f3);
1409 static const uint16_t fiel_data[] = {
1410 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1413 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
1415 unsigned mov_field_order = 0;
1416 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
1417 mov_field_order = fiel_data[track->enc->field_order];
1421 ffio_wfourcc(pb, "fiel");
1422 avio_wb16(pb, mov_field_order);
1426 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1428 int64_t pos = avio_tell(pb);
1429 avio_wb32(pb, 0); /* size */
1430 avio_wl32(pb, track->tag); // store it byteswapped
1431 avio_wb32(pb, 0); /* Reserved */
1432 avio_wb16(pb, 0); /* Reserved */
1433 avio_wb16(pb, 1); /* Data-reference index */
1435 if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
1436 mov_write_esds_tag(pb, track);
1437 else if (track->enc->extradata_size)
1438 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1440 return update_size(pb, pos);
1443 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1446 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
1447 track->enc->sample_aspect_ratio.den, INT_MAX);
1450 ffio_wfourcc(pb, "pasp");
1451 avio_wb32(pb, sar.num);
1452 avio_wb32(pb, sar.den);
1456 static void find_compressor(char * compressor_name, int len, MOVTrack *track)
1458 AVDictionaryEntry *encoder;
1459 int xdcam_res = (track->enc->width == 1280 && track->enc->height == 720)
1460 || (track->enc->width == 1440 && track->enc->height == 1080)
1461 || (track->enc->width == 1920 && track->enc->height == 1080);
1463 if (track->mode == MODE_MOV &&
1464 (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0))) {
1465 av_strlcpy(compressor_name, encoder->value, 32);
1466 } else if (track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) {
1467 int interlaced = track->enc->field_order > AV_FIELD_PROGRESSIVE;
1468 AVStream *st = track->st;
1469 int rate = av_q2d(find_fps(NULL, st));
1470 av_strlcatf(compressor_name, len, "XDCAM");
1471 if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) {
1472 av_strlcatf(compressor_name, len, " HD422");
1473 } else if(track->enc->width == 1440) {
1474 av_strlcatf(compressor_name, len, " HD");
1476 av_strlcatf(compressor_name, len, " EX");
1478 av_strlcatf(compressor_name, len, " %d%c", track->enc->height, interlaced ? 'i' : 'p');
1480 av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1));
1484 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
1486 int64_t pos = avio_tell(pb);
1487 char compressor_name[32] = { 0 };
1489 avio_wb32(pb, 0); /* size */
1490 avio_wl32(pb, track->tag); // store it byteswapped
1491 avio_wb32(pb, 0); /* Reserved */
1492 avio_wb16(pb, 0); /* Reserved */
1493 avio_wb16(pb, 1); /* Data-reference index */
1495 avio_wb16(pb, 0); /* Codec stream version */
1496 avio_wb16(pb, 0); /* Codec stream revision (=0) */
1497 if (track->mode == MODE_MOV) {
1498 ffio_wfourcc(pb, "FFMP"); /* Vendor */
1499 if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO) {
1500 avio_wb32(pb, 0); /* Temporal Quality */
1501 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1503 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1504 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1507 avio_wb32(pb, 0); /* Reserved */
1508 avio_wb32(pb, 0); /* Reserved */
1509 avio_wb32(pb, 0); /* Reserved */
1511 avio_wb16(pb, track->enc->width); /* Video width */
1512 avio_wb16(pb, track->height); /* Video height */
1513 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1514 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1515 avio_wb32(pb, 0); /* Data size (= 0) */
1516 avio_wb16(pb, 1); /* Frame count (= 1) */
1518 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1519 find_compressor(compressor_name, 32, track);
1520 avio_w8(pb, strlen(compressor_name));
1521 avio_write(pb, compressor_name, 31);
1523 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
1524 avio_wb16(pb, track->enc->bits_per_coded_sample);
1526 avio_wb16(pb, 0x18); /* Reserved */
1527 avio_wb16(pb, 0xffff); /* Reserved */
1528 if (track->tag == MKTAG('m','p','4','v'))
1529 mov_write_esds_tag(pb, track);
1530 else if (track->enc->codec_id == AV_CODEC_ID_H263)
1531 mov_write_d263_tag(pb);
1532 else if (track->enc->codec_id == AV_CODEC_ID_AVUI ||
1533 track->enc->codec_id == AV_CODEC_ID_SVQ3) {
1534 mov_write_extradata_tag(pb, track);
1536 } else if (track->enc->codec_id == AV_CODEC_ID_DNXHD)
1537 mov_write_avid_tag(pb, track);
1538 else if (track->enc->codec_id == AV_CODEC_ID_HEVC)
1539 mov_write_hvcc_tag(pb, track);
1540 else if (track->enc->codec_id == AV_CODEC_ID_H264 && !TAG_IS_AVCI(track->tag)) {
1541 mov_write_avcc_tag(pb, track);
1542 if (track->mode == MODE_IPOD)
1543 mov_write_uuid_tag_ipod(pb);
1544 } else if (track->enc->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
1545 mov_write_dvc1_tag(pb, track);
1546 else if (track->enc->codec_id == AV_CODEC_ID_VP6F ||
1547 track->enc->codec_id == AV_CODEC_ID_VP6A) {
1548 /* Don't write any potential extradata here - the cropping
1549 * is signalled via the normal width/height fields. */
1550 } else if (track->vos_len > 0)
1551 mov_write_glbl_tag(pb, track);
1553 if (track->enc->codec_id != AV_CODEC_ID_H264 &&
1554 track->enc->codec_id != AV_CODEC_ID_MPEG4 &&
1555 track->enc->codec_id != AV_CODEC_ID_DNXHD)
1556 if (track->enc->field_order != AV_FIELD_UNKNOWN)
1557 mov_write_fiel_tag(pb, track);
1559 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
1560 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
1561 mov_write_pasp_tag(pb, track);
1564 return update_size(pb, pos);
1567 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1569 int64_t pos = avio_tell(pb);
1570 avio_wb32(pb, 0); /* size */
1571 ffio_wfourcc(pb, "rtp ");
1572 avio_wb32(pb, 0); /* Reserved */
1573 avio_wb16(pb, 0); /* Reserved */
1574 avio_wb16(pb, 1); /* Data-reference index */
1576 avio_wb16(pb, 1); /* Hint track version */
1577 avio_wb16(pb, 1); /* Highest compatible version */
1578 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1580 avio_wb32(pb, 12); /* size */
1581 ffio_wfourcc(pb, "tims");
1582 avio_wb32(pb, track->timescale);
1584 return update_size(pb, pos);
1587 static int mov_write_source_reference_tag(AVIOContext *pb, MOVTrack *track, const char *reel_name)
1589 uint64_t str_size =strlen(reel_name);
1590 int64_t pos = avio_tell(pb);
1592 if (str_size >= UINT16_MAX){
1593 av_log(NULL, AV_LOG_ERROR, "reel_name length %"PRIu64" is too large\n", str_size);
1595 return AVERROR(EINVAL);
1598 avio_wb32(pb, 0); /* size */
1599 ffio_wfourcc(pb, "name"); /* Data format */
1600 avio_wb16(pb, str_size); /* string size */
1601 avio_wb16(pb, track->language); /* langcode */
1602 avio_write(pb, reel_name, str_size); /* reel name */
1603 return update_size(pb,pos);
1606 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
1608 int64_t pos = avio_tell(pb);
1610 int frame_duration = av_rescale(track->timescale, track->enc->time_base.num, track->enc->time_base.den);
1611 int nb_frames = 1.0/av_q2d(track->enc->time_base) + 0.5;
1612 AVDictionaryEntry *t = NULL;
1614 if (nb_frames > 255) {
1615 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
1616 return AVERROR(EINVAL);
1619 avio_wb32(pb, 0); /* size */
1620 ffio_wfourcc(pb, "tmcd"); /* Data format */
1621 avio_wb32(pb, 0); /* Reserved */
1622 avio_wb32(pb, 1); /* Data reference index */
1623 avio_wb32(pb, 0); /* Flags */
1624 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
1625 avio_wb32(pb, track->timescale); /* Timescale */
1626 avio_wb32(pb, frame_duration); /* Frame duration */
1627 avio_w8(pb, nb_frames); /* Number of frames */
1628 avio_w8(pb, 0); /* Reserved */
1631 t = av_dict_get(track->st->metadata, "reel_name", NULL, 0);
1633 if (t && utf8len(t->value))
1634 mov_write_source_reference_tag(pb, track, t->value);
1636 avio_wb16(pb, 0); /* zero size */
1639 avio_wb32(pb, 0); /* size */
1640 ffio_wfourcc(pb, "tmcd"); /* Data format */
1641 avio_wb32(pb, 0); /* Reserved */
1642 avio_wb32(pb, 1); /* Data reference index */
1643 if (track->enc->extradata_size)
1644 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1646 return update_size(pb, pos);
1649 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
1651 int64_t pos = avio_tell(pb);
1652 avio_wb32(pb, 0); /* size */
1653 ffio_wfourcc(pb, "stsd");
1654 avio_wb32(pb, 0); /* version & flags */
1655 avio_wb32(pb, 1); /* entry count */
1656 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1657 mov_write_video_tag(pb, track);
1658 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1659 mov_write_audio_tag(pb, track);
1660 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1661 mov_write_subtitle_tag(pb, track);
1662 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
1663 mov_write_rtp_tag(pb, track);
1664 else if (track->enc->codec_tag == MKTAG('t','m','c','d'))
1665 mov_write_tmcd_tag(pb, track);
1666 return update_size(pb, pos);
1669 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1671 MOVStts *ctts_entries;
1672 uint32_t entries = 0;
1676 ctts_entries = av_malloc_array((track->entry + 1), sizeof(*ctts_entries)); /* worst case */
1677 ctts_entries[0].count = 1;
1678 ctts_entries[0].duration = track->cluster[0].cts;
1679 for (i = 1; i < track->entry; i++) {
1680 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1681 ctts_entries[entries].count++; /* compress */
1684 ctts_entries[entries].duration = track->cluster[i].cts;
1685 ctts_entries[entries].count = 1;
1688 entries++; /* last one */
1689 atom_size = 16 + (entries * 8);
1690 avio_wb32(pb, atom_size); /* size */
1691 ffio_wfourcc(pb, "ctts");
1692 avio_wb32(pb, 0); /* version & flags */
1693 avio_wb32(pb, entries); /* entry count */
1694 for (i = 0; i < entries; i++) {
1695 avio_wb32(pb, ctts_entries[i].count);
1696 avio_wb32(pb, ctts_entries[i].duration);
1698 av_free(ctts_entries);
1702 /* Time to sample atom */
1703 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1705 MOVStts *stts_entries;
1706 uint32_t entries = -1;
1710 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
1711 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
1712 stts_entries[0].count = track->sample_count;
1713 stts_entries[0].duration = 1;
1716 stts_entries = track->entry ?
1717 av_malloc_array(track->entry, sizeof(*stts_entries)) : /* worst case */
1719 for (i = 0; i < track->entry; i++) {
1720 int duration = get_cluster_duration(track, i);
1721 if (i && duration == stts_entries[entries].duration) {
1722 stts_entries[entries].count++; /* compress */
1725 stts_entries[entries].duration = duration;
1726 stts_entries[entries].count = 1;
1729 entries++; /* last one */
1731 atom_size = 16 + (entries * 8);
1732 avio_wb32(pb, atom_size); /* size */
1733 ffio_wfourcc(pb, "stts");
1734 avio_wb32(pb, 0); /* version & flags */
1735 avio_wb32(pb, entries); /* entry count */
1736 for (i = 0; i < entries; i++) {
1737 avio_wb32(pb, stts_entries[i].count);
1738 avio_wb32(pb, stts_entries[i].duration);
1740 av_free(stts_entries);
1744 static int mov_write_dref_tag(AVIOContext *pb)
1746 avio_wb32(pb, 28); /* size */
1747 ffio_wfourcc(pb, "dref");
1748 avio_wb32(pb, 0); /* version & flags */
1749 avio_wb32(pb, 1); /* entry count */
1751 avio_wb32(pb, 0xc); /* size */
1752 //FIXME add the alis and rsrc atom
1753 ffio_wfourcc(pb, "url ");
1754 avio_wb32(pb, 1); /* version & flags */
1759 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1761 int64_t pos = avio_tell(pb);
1762 avio_wb32(pb, 0); /* size */
1763 ffio_wfourcc(pb, "stbl");
1764 mov_write_stsd_tag(pb, track);
1765 mov_write_stts_tag(pb, track);
1766 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1767 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1768 track->has_keyframes && track->has_keyframes < track->entry)
1769 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1770 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1771 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1772 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1773 track->flags & MOV_TRACK_CTTS)
1774 mov_write_ctts_tag(pb, track);
1775 mov_write_stsc_tag(pb, track);
1776 mov_write_stsz_tag(pb, track);
1777 mov_write_stco_tag(pb, track);
1778 return update_size(pb, pos);
1781 static int mov_write_dinf_tag(AVIOContext *pb)
1783 int64_t pos = avio_tell(pb);
1784 avio_wb32(pb, 0); /* size */
1785 ffio_wfourcc(pb, "dinf");
1786 mov_write_dref_tag(pb);
1787 return update_size(pb, pos);
1790 static int mov_write_nmhd_tag(AVIOContext *pb)
1793 ffio_wfourcc(pb, "nmhd");
1798 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
1800 int64_t pos = avio_tell(pb);
1801 const char *font = "Lucida Grande";
1802 avio_wb32(pb, 0); /* size */
1803 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
1804 avio_wb32(pb, 0); /* version & flags */
1805 avio_wb16(pb, 0); /* text font */
1806 avio_wb16(pb, 0); /* text face */
1807 avio_wb16(pb, 12); /* text size */
1808 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
1809 avio_wb16(pb, 0x0000); /* text color (red) */
1810 avio_wb16(pb, 0x0000); /* text color (green) */
1811 avio_wb16(pb, 0x0000); /* text color (blue) */
1812 avio_wb16(pb, 0xffff); /* background color (red) */
1813 avio_wb16(pb, 0xffff); /* background color (green) */
1814 avio_wb16(pb, 0xffff); /* background color (blue) */
1815 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
1816 avio_write(pb, font, strlen(font)); /* font name */
1817 return update_size(pb, pos);
1820 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
1822 int64_t pos = avio_tell(pb);
1823 avio_wb32(pb, 0); /* size */
1824 ffio_wfourcc(pb, "gmhd");
1825 avio_wb32(pb, 0x18); /* gmin size */
1826 ffio_wfourcc(pb, "gmin");/* generic media info */
1827 avio_wb32(pb, 0); /* version & flags */
1828 avio_wb16(pb, 0x40); /* graphics mode = */
1829 avio_wb16(pb, 0x8000); /* opColor (r?) */
1830 avio_wb16(pb, 0x8000); /* opColor (g?) */
1831 avio_wb16(pb, 0x8000); /* opColor (b?) */
1832 avio_wb16(pb, 0); /* balance */
1833 avio_wb16(pb, 0); /* reserved */
1836 * This special text atom is required for
1837 * Apple Quicktime chapters. The contents
1838 * don't appear to be documented, so the
1839 * bytes are copied verbatim.
1841 if (track->tag != MKTAG('c','6','0','8')) {
1842 avio_wb32(pb, 0x2C); /* size */
1843 ffio_wfourcc(pb, "text");
1844 avio_wb16(pb, 0x01);
1845 avio_wb32(pb, 0x00);
1846 avio_wb32(pb, 0x00);
1847 avio_wb32(pb, 0x00);
1848 avio_wb32(pb, 0x01);
1849 avio_wb32(pb, 0x00);
1850 avio_wb32(pb, 0x00);
1851 avio_wb32(pb, 0x00);
1852 avio_wb32(pb, 0x00004000);
1853 avio_wb16(pb, 0x0000);
1856 if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1857 int64_t tmcd_pos = avio_tell(pb);
1858 avio_wb32(pb, 0); /* size */
1859 ffio_wfourcc(pb, "tmcd");
1860 mov_write_tcmi_tag(pb, track);
1861 update_size(pb, tmcd_pos);
1863 return update_size(pb, pos);
1866 static int mov_write_smhd_tag(AVIOContext *pb)
1868 avio_wb32(pb, 16); /* size */
1869 ffio_wfourcc(pb, "smhd");
1870 avio_wb32(pb, 0); /* version & flags */
1871 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1872 avio_wb16(pb, 0); /* reserved */
1876 static int mov_write_vmhd_tag(AVIOContext *pb)
1878 avio_wb32(pb, 0x14); /* size (always 0x14) */
1879 ffio_wfourcc(pb, "vmhd");
1880 avio_wb32(pb, 0x01); /* version & flags */
1881 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1885 static int is_clcp_track(MOVTrack *track)
1887 return track->tag == MKTAG('c','7','0','8') ||
1888 track->tag == MKTAG('c','6','0','8');
1891 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1893 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1894 int64_t pos = avio_tell(pb);
1898 descr = "DataHandler";
1901 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1902 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1904 descr = "VideoHandler";
1905 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1907 descr = "SoundHandler";
1908 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1909 if (is_clcp_track(track)) {
1911 descr = "ClosedCaptionHandler";
1913 if (track->tag == MKTAG('t','x','3','g')) {
1915 } else if (track->tag == MKTAG('m','p','4','s')) {
1920 descr = "SubtitleHandler";
1922 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1924 descr = "HintHandler";
1925 } else if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1927 descr = "TimeCodeHandler";
1930 av_get_codec_tag_string(tag_buf, sizeof(tag_buf),
1931 track->enc->codec_tag);
1933 av_log(track->enc, AV_LOG_WARNING,
1934 "Unknown hldr_type for %s / 0x%04X, writing dummy values\n",
1935 tag_buf, track->enc->codec_tag);
1938 // hdlr.name is used by some players to identify the content title
1939 // of the track. So if an alternate handler description is
1940 // specified, use it.
1941 AVDictionaryEntry *t;
1942 t = av_dict_get(track->st->metadata, "handler", NULL, 0);
1943 if (t && utf8len(t->value))
1948 avio_wb32(pb, 0); /* size */
1949 ffio_wfourcc(pb, "hdlr");
1950 avio_wb32(pb, 0); /* Version & flags */
1951 avio_write(pb, hdlr, 4); /* handler */
1952 ffio_wfourcc(pb, hdlr_type); /* handler type */
1953 avio_wb32(pb, 0); /* reserved */
1954 avio_wb32(pb, 0); /* reserved */
1955 avio_wb32(pb, 0); /* reserved */
1956 if (!track || track->mode == MODE_MOV)
1957 avio_w8(pb, strlen(descr)); /* pascal string */
1958 avio_write(pb, descr, strlen(descr)); /* handler description */
1959 if (track && track->mode != MODE_MOV)
1960 avio_w8(pb, 0); /* c string */
1961 return update_size(pb, pos);
1964 static int mov_write_hmhd_tag(AVIOContext *pb)
1966 /* This atom must be present, but leaving the values at zero
1967 * seems harmless. */
1968 avio_wb32(pb, 28); /* size */
1969 ffio_wfourcc(pb, "hmhd");
1970 avio_wb32(pb, 0); /* version, flags */
1971 avio_wb16(pb, 0); /* maxPDUsize */
1972 avio_wb16(pb, 0); /* avgPDUsize */
1973 avio_wb32(pb, 0); /* maxbitrate */
1974 avio_wb32(pb, 0); /* avgbitrate */
1975 avio_wb32(pb, 0); /* reserved */
1979 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1981 int64_t pos = avio_tell(pb);
1982 avio_wb32(pb, 0); /* size */
1983 ffio_wfourcc(pb, "minf");
1984 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1985 mov_write_vmhd_tag(pb);
1986 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1987 mov_write_smhd_tag(pb);
1988 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1989 if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
1990 mov_write_gmhd_tag(pb, track);
1992 mov_write_nmhd_tag(pb);
1994 } else if (track->tag == MKTAG('r','t','p',' ')) {
1995 mov_write_hmhd_tag(pb);
1996 } else if (track->tag == MKTAG('t','m','c','d')) {
1997 mov_write_gmhd_tag(pb, track);
1999 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
2000 mov_write_hdlr_tag(pb, NULL);
2001 mov_write_dinf_tag(pb);
2002 mov_write_stbl_tag(pb, track);
2003 return update_size(pb, pos);
2006 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
2008 int version = track->track_duration < INT32_MAX ? 0 : 1;
2010 if (track->mode == MODE_ISM)
2013 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
2014 ffio_wfourcc(pb, "mdhd");
2015 avio_w8(pb, version);
2016 avio_wb24(pb, 0); /* flags */
2018 avio_wb64(pb, track->time);
2019 avio_wb64(pb, track->time);
2021 avio_wb32(pb, track->time); /* creation time */
2022 avio_wb32(pb, track->time); /* modification time */
2024 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
2026 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2028 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
2029 avio_wb16(pb, track->language); /* language */
2030 avio_wb16(pb, 0); /* reserved (quality) */
2032 if (version != 0 && track->mode == MODE_MOV) {
2033 av_log(NULL, AV_LOG_ERROR,
2034 "FATAL error, file duration too long for timebase, this file will not be\n"
2035 "playable with quicktime. Choose a different timebase or a different\n"
2036 "container format\n");
2042 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
2044 int64_t pos = avio_tell(pb);
2045 avio_wb32(pb, 0); /* size */
2046 ffio_wfourcc(pb, "mdia");
2047 mov_write_mdhd_tag(pb, track);
2048 mov_write_hdlr_tag(pb, track);
2049 mov_write_minf_tag(pb, track);
2050 return update_size(pb, pos);
2053 /* transformation matrix
2057 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
2058 int16_t d, int16_t tx, int16_t ty)
2060 avio_wb32(pb, a << 16); /* 16.16 format */
2061 avio_wb32(pb, b << 16); /* 16.16 format */
2062 avio_wb32(pb, 0); /* u in 2.30 format */
2063 avio_wb32(pb, c << 16); /* 16.16 format */
2064 avio_wb32(pb, d << 16); /* 16.16 format */
2065 avio_wb32(pb, 0); /* v in 2.30 format */
2066 avio_wb32(pb, tx << 16); /* 16.16 format */
2067 avio_wb32(pb, ty << 16); /* 16.16 format */
2068 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
2071 static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2072 MOVTrack *track, AVStream *st)
2074 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
2075 track->timescale, AV_ROUND_UP);
2076 int version = duration < INT32_MAX ? 0 : 1;
2077 int flags = MOV_TKHD_FLAG_IN_MOVIE;
2083 if (mov->per_stream_grouping)
2086 group = st->codec->codec_type;
2089 if (track->flags & MOV_TRACK_ENABLED)
2090 flags |= MOV_TKHD_FLAG_ENABLED;
2092 if (track->mode == MODE_ISM)
2095 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
2096 ffio_wfourcc(pb, "tkhd");
2097 avio_w8(pb, version);
2098 avio_wb24(pb, flags);
2100 avio_wb64(pb, track->time);
2101 avio_wb64(pb, track->time);
2103 avio_wb32(pb, track->time); /* creation time */
2104 avio_wb32(pb, track->time); /* modification time */
2106 avio_wb32(pb, track->track_id); /* track-id */
2107 avio_wb32(pb, 0); /* reserved */
2109 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2111 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
2113 avio_wb32(pb, 0); /* reserved */
2114 avio_wb32(pb, 0); /* reserved */
2115 avio_wb16(pb, 0); /* layer */
2116 avio_wb16(pb, group); /* alternate group) */
2117 /* Volume, only for audio */
2118 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
2119 avio_wb16(pb, 0x0100);
2122 avio_wb16(pb, 0); /* reserved */
2124 /* Matrix structure */
2125 if (st && st->metadata) {
2126 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
2127 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
2129 if (rotation == 90) {
2130 write_matrix(pb, 0, 1, -1, 0, track->enc->height, 0);
2131 } else if (rotation == 180) {
2132 write_matrix(pb, -1, 0, 0, -1, track->enc->width, track->enc->height);
2133 } else if (rotation == 270) {
2134 write_matrix(pb, 0, -1, 1, 0, 0, track->enc->width);
2136 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2138 /* Track width and height, for visual only */
2139 if (st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
2140 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
2141 if (track->mode == MODE_MOV) {
2142 avio_wb32(pb, track->enc->width << 16);
2143 avio_wb32(pb, track->height << 16);
2145 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
2146 if (!sample_aspect_ratio || track->height != track->enc->height)
2147 sample_aspect_ratio = 1;
2148 avio_wb32(pb, sample_aspect_ratio * track->enc->width * 0x10000);
2149 avio_wb32(pb, track->height * 0x10000);
2158 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
2160 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
2161 track->enc->sample_aspect_ratio.den);
2163 int64_t pos = avio_tell(pb);
2165 avio_wb32(pb, 0); /* size */
2166 ffio_wfourcc(pb, "tapt");
2169 ffio_wfourcc(pb, "clef");
2171 avio_wb32(pb, width << 16);
2172 avio_wb32(pb, track->enc->height << 16);
2175 ffio_wfourcc(pb, "prof");
2177 avio_wb32(pb, width << 16);
2178 avio_wb32(pb, track->enc->height << 16);
2181 ffio_wfourcc(pb, "enof");
2183 avio_wb32(pb, track->enc->width << 16);
2184 avio_wb32(pb, track->enc->height << 16);
2186 return update_size(pb, pos);
2189 // This box seems important for the psp playback ... without it the movie seems to hang
2190 static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov,
2193 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
2194 track->timescale, AV_ROUND_UP);
2195 int version = duration < INT32_MAX ? 0 : 1;
2196 int entry_size, entry_count, size;
2197 int64_t delay, start_ct = track->cluster[0].cts;
2198 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
2199 track->timescale, AV_ROUND_DOWN);
2200 version |= delay < INT32_MAX ? 0 : 1;
2202 entry_size = (version == 1) ? 20 : 12;
2203 entry_count = 1 + (delay > 0);
2204 size = 24 + entry_count * entry_size;
2206 /* write the atom data */
2207 avio_wb32(pb, size);
2208 ffio_wfourcc(pb, "edts");
2209 avio_wb32(pb, size - 8);
2210 ffio_wfourcc(pb, "elst");
2211 avio_w8(pb, version);
2212 avio_wb24(pb, 0); /* flags */
2214 avio_wb32(pb, entry_count);
2215 if (delay > 0) { /* add an empty edit to delay presentation */
2216 /* In the positive delay case, the delay includes the cts
2217 * offset, and the second edit list entry below trims out
2218 * the same amount from the actual content. This makes sure
2219 * that the offsetted last sample is included in the edit
2220 * list duration as well. */
2222 avio_wb64(pb, delay);
2225 avio_wb32(pb, delay);
2228 avio_wb32(pb, 0x00010000);
2230 /* Avoid accidentally ending up with start_ct = -1 which has got a
2231 * special meaning. Normally start_ct should end up positive or zero
2232 * here, but use FFMIN in case dts is a a small positive integer
2233 * rounded to 0 when represented in MOV_TIMESCALE units. */
2234 av_assert0(av_rescale_rnd(track->cluster[0].dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
2235 start_ct = -FFMIN(track->cluster[0].dts, 0);
2236 /* Note, this delay is calculated from the pts of the first sample,
2237 * ensuring that we don't reduce the duration for cases with
2242 /* For fragmented files, we don't know the full length yet. Setting
2243 * duration to 0 allows us to only specify the offset, including
2244 * the rest of the content (from all future fragments) without specifying
2245 * an explicit duration. */
2246 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2251 avio_wb64(pb, duration);
2252 avio_wb64(pb, start_ct);
2254 avio_wb32(pb, duration);
2255 avio_wb32(pb, start_ct);
2257 avio_wb32(pb, 0x00010000);
2261 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
2263 avio_wb32(pb, 20); // size
2264 ffio_wfourcc(pb, "tref");
2265 avio_wb32(pb, 12); // size (subatom)
2266 avio_wl32(pb, track->tref_tag);
2267 avio_wb32(pb, track->tref_id);
2271 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
2272 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
2274 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
2275 ffio_wfourcc(pb, "uuid");
2276 ffio_wfourcc(pb, "USMT");
2277 avio_wb32(pb, 0x21d24fce);
2278 avio_wb32(pb, 0xbb88695c);
2279 avio_wb32(pb, 0xfac9c740);
2280 avio_wb32(pb, 0x1c); // another size here!
2281 ffio_wfourcc(pb, "MTDT");
2282 avio_wb32(pb, 0x00010012);
2283 avio_wb32(pb, 0x0a);
2284 avio_wb32(pb, 0x55c40000);
2290 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
2292 AVFormatContext *ctx = track->rtp_ctx;
2293 char buf[1000] = "";
2296 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
2297 NULL, NULL, 0, 0, ctx);
2298 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
2301 avio_wb32(pb, len + 24);
2302 ffio_wfourcc(pb, "udta");
2303 avio_wb32(pb, len + 16);
2304 ffio_wfourcc(pb, "hnti");
2305 avio_wb32(pb, len + 8);
2306 ffio_wfourcc(pb, "sdp ");
2307 avio_write(pb, buf, len);
2311 static int mov_write_track_metadata(AVIOContext *pb, AVStream *st,
2312 const char *tag, const char *str)
2314 int64_t pos = avio_tell(pb);
2315 AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
2316 if (!t || !utf8len(t->value))
2319 avio_wb32(pb, 0); /* size */
2320 ffio_wfourcc(pb, tag); /* type */
2321 avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
2322 return update_size(pb, pos);
2325 static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
2328 AVIOContext *pb_buf;
2332 if (!st || mov->fc->flags & AVFMT_FLAG_BITEXACT)
2335 ret = avio_open_dyn_buf(&pb_buf);
2339 if (mov->mode & MODE_MP4)
2340 mov_write_track_metadata(pb_buf, st, "name", "title");
2342 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2343 avio_wb32(pb, size + 8);
2344 ffio_wfourcc(pb, "udta");
2345 avio_write(pb, buf, size);
2352 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
2353 MOVTrack *track, AVStream *st)
2355 int64_t pos = avio_tell(pb);
2356 avio_wb32(pb, 0); /* size */
2357 ffio_wfourcc(pb, "trak");
2358 mov_write_tkhd_tag(pb, mov, track, st);
2359 if (supports_edts(mov))
2360 mov_write_edts_tag(pb, mov, track); // PSP Movies and several other cases require edts box
2361 if (track->tref_tag)
2362 mov_write_tref_tag(pb, track);
2363 mov_write_mdia_tag(pb, track);
2364 if (track->mode == MODE_PSP)
2365 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
2366 if (track->tag == MKTAG('r','t','p',' '))
2367 mov_write_udta_sdp(pb, track);
2368 if (track->mode == MODE_MOV) {
2369 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2370 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
2371 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio) {
2372 mov_write_tapt_tag(pb, track);
2375 if (is_clcp_track(track) && st->sample_aspect_ratio.num) {
2376 mov_write_tapt_tag(pb, track);
2379 mov_write_track_udta_tag(pb, mov, st);
2380 return update_size(pb, pos);
2383 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
2385 int i, has_audio = 0, has_video = 0;
2386 int64_t pos = avio_tell(pb);
2387 int audio_profile = mov->iods_audio_profile;
2388 int video_profile = mov->iods_video_profile;
2389 for (i = 0; i < mov->nb_streams; i++) {
2390 if (mov->tracks[i].entry > 0) {
2391 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
2392 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
2395 if (audio_profile < 0)
2396 audio_profile = 0xFF - has_audio;
2397 if (video_profile < 0)
2398 video_profile = 0xFF - has_video;
2399 avio_wb32(pb, 0x0); /* size */
2400 ffio_wfourcc(pb, "iods");
2401 avio_wb32(pb, 0); /* version & flags */
2402 put_descr(pb, 0x10, 7);
2403 avio_wb16(pb, 0x004f);
2406 avio_w8(pb, audio_profile);
2407 avio_w8(pb, video_profile);
2409 return update_size(pb, pos);
2412 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
2414 avio_wb32(pb, 0x20); /* size */
2415 ffio_wfourcc(pb, "trex");
2416 avio_wb32(pb, 0); /* version & flags */
2417 avio_wb32(pb, track->track_id); /* track ID */
2418 avio_wb32(pb, 1); /* default sample description index */
2419 avio_wb32(pb, 0); /* default sample duration */
2420 avio_wb32(pb, 0); /* default sample size */
2421 avio_wb32(pb, 0); /* default sample flags */
2425 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
2427 int64_t pos = avio_tell(pb);
2429 avio_wb32(pb, 0x0); /* size */
2430 ffio_wfourcc(pb, "mvex");
2431 for (i = 0; i < mov->nb_streams; i++)
2432 mov_write_trex_tag(pb, &mov->tracks[i]);
2433 return update_size(pb, pos);
2436 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2438 int max_track_id = 1, i;
2439 int64_t max_track_len_temp, max_track_len = 0;
2442 for (i = 0; i < mov->nb_streams; i++) {
2443 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
2444 max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
2446 mov->tracks[i].timescale,
2448 if (max_track_len < max_track_len_temp)
2449 max_track_len = max_track_len_temp;
2450 if (max_track_id < mov->tracks[i].track_id)
2451 max_track_id = mov->tracks[i].track_id;
2455 version = max_track_len < UINT32_MAX ? 0 : 1;
2456 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
2457 ffio_wfourcc(pb, "mvhd");
2458 avio_w8(pb, version);
2459 avio_wb24(pb, 0); /* flags */
2461 avio_wb64(pb, mov->time);
2462 avio_wb64(pb, mov->time);
2464 avio_wb32(pb, mov->time); /* creation time */
2465 avio_wb32(pb, mov->time); /* modification time */
2467 avio_wb32(pb, MOV_TIMESCALE);
2468 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
2470 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
2471 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
2472 avio_wb16(pb, 0); /* reserved */
2473 avio_wb32(pb, 0); /* reserved */
2474 avio_wb32(pb, 0); /* reserved */
2476 /* Matrix structure */
2477 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2479 avio_wb32(pb, 0); /* reserved (preview time) */
2480 avio_wb32(pb, 0); /* reserved (preview duration) */
2481 avio_wb32(pb, 0); /* reserved (poster time) */
2482 avio_wb32(pb, 0); /* reserved (selection time) */
2483 avio_wb32(pb, 0); /* reserved (selection duration) */
2484 avio_wb32(pb, 0); /* reserved (current time) */
2485 avio_wb32(pb, max_track_id + 1); /* Next track id */
2489 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
2492 avio_wb32(pb, 33); /* size */
2493 ffio_wfourcc(pb, "hdlr");
2496 ffio_wfourcc(pb, "mdir");
2497 ffio_wfourcc(pb, "appl");
2504 /* helper function to write a data tag with the specified string as data */
2505 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
2508 int size = 16 + strlen(data);
2509 avio_wb32(pb, size); /* size */
2510 ffio_wfourcc(pb, "data");
2513 avio_write(pb, data, strlen(data));
2517 lang = ff_mov_iso639_to_lang("und", 1);
2518 avio_wb16(pb, strlen(data)); /* string length */
2519 avio_wb16(pb, lang);
2520 avio_write(pb, data, strlen(data));
2521 return strlen(data) + 4;
2525 static int mov_write_string_tag(AVIOContext *pb, const char *name,
2526 const char *value, int lang, int long_style)
2529 if (value && value[0]) {
2530 int64_t pos = avio_tell(pb);
2531 avio_wb32(pb, 0); /* size */
2532 ffio_wfourcc(pb, name);
2533 mov_write_string_data_tag(pb, value, lang, long_style);
2534 size = update_size(pb, pos);
2539 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
2540 const char *name, const char *tag,
2543 int l, lang = 0, len, len2;
2544 AVDictionaryEntry *t, *t2 = NULL;
2547 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
2550 len = strlen(t->key);
2551 snprintf(tag2, sizeof(tag2), "%s-", tag);
2552 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
2553 len2 = strlen(t2->key);
2554 if (len2 == len + 4 && !strcmp(t->value, t2->value)
2555 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
2560 return mov_write_string_tag(pb, name, t->value, lang, long_style);
2563 /* iTunes bpm number */
2564 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
2566 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
2567 int size = 0, tmpo = t ? atoi(t->value) : 0;
2570 avio_wb32(pb, size);
2571 ffio_wfourcc(pb, "tmpo");
2572 avio_wb32(pb, size-8); /* size */
2573 ffio_wfourcc(pb, "data");
2574 avio_wb32(pb, 0x15); //type specifier
2576 avio_wb16(pb, tmpo); // data
2581 /* iTunes track or disc number */
2582 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
2583 AVFormatContext *s, int disc)
2585 AVDictionaryEntry *t = av_dict_get(s->metadata,
2586 disc ? "disc" : "track",
2588 int size = 0, track = t ? atoi(t->value) : 0;
2591 char *slash = strchr(t->value, '/');
2593 tracks = atoi(slash + 1);
2594 avio_wb32(pb, 32); /* size */
2595 ffio_wfourcc(pb, disc ? "disk" : "trkn");
2596 avio_wb32(pb, 24); /* size */
2597 ffio_wfourcc(pb, "data");
2598 avio_wb32(pb, 0); // 8 bytes empty
2600 avio_wb16(pb, 0); // empty
2601 avio_wb16(pb, track); // track / disc number
2602 avio_wb16(pb, tracks); // total track / disc number
2603 avio_wb16(pb, 0); // empty
2609 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
2610 const char *name, const char *tag,
2613 AVDictionaryEntry *t = NULL;
2615 int size = 24 + len;
2617 if (len != 1 && len != 4)
2620 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
2622 num = atoi(t->value);
2624 avio_wb32(pb, size);
2625 ffio_wfourcc(pb, name);
2626 avio_wb32(pb, size - 8);
2627 ffio_wfourcc(pb, "data");
2628 avio_wb32(pb, 0x15);
2630 if (len==4) avio_wb32(pb, num);
2631 else avio_w8 (pb, num);
2636 /* iTunes meta data list */
2637 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
2640 int64_t pos = avio_tell(pb);
2641 avio_wb32(pb, 0); /* size */
2642 ffio_wfourcc(pb, "ilst");
2643 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
2644 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
2645 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
2646 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
2647 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
2648 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
2650 !mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1))
2651 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
2652 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
2653 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
2654 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
2655 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
2656 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
2657 mov_write_string_metadata(s, pb, "desc", "description",1);
2658 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
2659 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
2660 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
2661 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
2662 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
2663 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
2664 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
2665 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
2666 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
2667 mov_write_int8_metadata (s, pb, "cpil", "compilation", 1);
2668 mov_write_trkn_tag(pb, mov, s, 0); // track number
2669 mov_write_trkn_tag(pb, mov, s, 1); // disc number
2670 mov_write_tmpo_tag(pb, s);
2671 return update_size(pb, pos);
2674 /* iTunes meta data tag */
2675 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
2679 int64_t pos = avio_tell(pb);
2680 avio_wb32(pb, 0); /* size */
2681 ffio_wfourcc(pb, "meta");
2683 mov_write_itunes_hdlr_tag(pb, mov, s);
2684 mov_write_ilst_tag(pb, mov, s);
2685 size = update_size(pb, pos);
2689 static int mov_write_raw_metadata_tag(AVFormatContext *s, AVIOContext *pb,
2690 const char *name, const char *key)
2693 AVDictionaryEntry *t;
2695 if (!(t = av_dict_get(s->metadata, key, NULL, 0)))
2698 len = strlen(t->value);
2701 avio_wb32(pb, size);
2702 ffio_wfourcc(pb, name);
2703 avio_write(pb, t->value, len);
2709 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
2713 GET_UTF8(val, *b++, return -1;)
2716 avio_wb16(pb, 0x00);
2720 static uint16_t language_code(const char *str)
2722 return (((str[0] - 0x60) & 0x1F) << 10) +
2723 (((str[1] - 0x60) & 0x1F) << 5) +
2724 (( str[2] - 0x60) & 0x1F);
2727 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
2728 const char *tag, const char *str)
2730 int64_t pos = avio_tell(pb);
2731 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
2732 if (!t || !utf8len(t->value))
2734 avio_wb32(pb, 0); /* size */
2735 ffio_wfourcc(pb, tag); /* type */
2736 avio_wb32(pb, 0); /* version + flags */
2737 if (!strcmp(tag, "yrrc"))
2738 avio_wb16(pb, atoi(t->value));
2740 avio_wb16(pb, language_code("eng")); /* language */
2741 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
2742 if (!strcmp(tag, "albm") &&
2743 (t = av_dict_get(s->metadata, "track", NULL, 0)))
2744 avio_w8(pb, atoi(t->value));
2746 return update_size(pb, pos);
2749 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
2751 int64_t pos = avio_tell(pb);
2752 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
2754 avio_wb32(pb, 0); // size
2755 ffio_wfourcc(pb, "chpl");
2756 avio_wb32(pb, 0x01000000); // version + flags
2757 avio_wb32(pb, 0); // unknown
2758 avio_w8(pb, nb_chapters);
2760 for (i = 0; i < nb_chapters; i++) {
2761 AVChapter *c = s->chapters[i];
2762 AVDictionaryEntry *t;
2763 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
2765 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
2766 int len = FFMIN(strlen(t->value), 255);
2768 avio_write(pb, t->value, len);
2772 return update_size(pb, pos);
2775 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
2778 AVIOContext *pb_buf;
2782 ret = avio_open_dyn_buf(&pb_buf);
2786 if (mov->mode & MODE_3GP) {
2787 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
2788 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
2789 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
2790 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
2791 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
2792 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
2793 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
2794 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
2795 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
2796 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
2797 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
2798 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
2799 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
2800 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
2801 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
2802 // currently ignored by mov.c
2803 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
2804 // add support for libquicktime, this atom is also actually read by mov.c
2805 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
2806 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
2807 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
2808 mov_write_raw_metadata_tag(s, pb_buf, "XMP_", "xmp");
2810 /* iTunes meta data */
2811 mov_write_meta_tag(pb_buf, mov, s);
2814 if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
2815 mov_write_chpl_tag(pb_buf, s);
2817 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2818 avio_wb32(pb, size + 8);
2819 ffio_wfourcc(pb, "udta");
2820 avio_write(pb, buf, size);
2827 static void mov_write_psp_udta_tag(AVIOContext *pb,
2828 const char *str, const char *lang, int type)
2830 int len = utf8len(str) + 1;
2833 avio_wb16(pb, len * 2 + 10); /* size */
2834 avio_wb32(pb, type); /* type */
2835 avio_wb16(pb, language_code(lang)); /* language */
2836 avio_wb16(pb, 0x01); /* ? */
2837 ascii_to_wc(pb, str);
2840 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
2842 MOVMuxContext *mov = s->priv_data;
2843 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
2847 pos = avio_tell(pb);
2848 avio_wb32(pb, 0); /* size placeholder*/
2849 ffio_wfourcc(pb, "uuid");
2850 ffio_wfourcc(pb, "USMT");
2851 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2852 avio_wb32(pb, 0xbb88695c);
2853 avio_wb32(pb, 0xfac9c740);
2855 pos2 = avio_tell(pb);
2856 avio_wb32(pb, 0); /* size placeholder*/
2857 ffio_wfourcc(pb, "MTDT");
2861 avio_wb16(pb, 0x0C); /* size */
2862 avio_wb32(pb, 0x0B); /* type */
2863 avio_wb16(pb, language_code("und")); /* language */
2864 avio_wb16(pb, 0x0); /* ? */
2865 avio_wb16(pb, 0x021C); /* data */
2868 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
2869 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
2870 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
2872 update_size(pb, pos2);
2873 return update_size(pb, pos);
2879 static void build_chunks(MOVTrack *trk)
2882 MOVIentry *chunk = &trk->cluster[0];
2883 uint64_t chunkSize = chunk->size;
2884 chunk->chunkNum = 1;
2885 if (trk->chunkCount)
2887 trk->chunkCount = 1;
2888 for (i = 1; i<trk->entry; i++){
2889 if (chunk->pos + chunkSize == trk->cluster[i].pos &&
2890 chunkSize + trk->cluster[i].size < (1<<20)){
2891 chunkSize += trk->cluster[i].size;
2892 chunk->samples_in_chunk += trk->cluster[i].entries;
2894 trk->cluster[i].chunkNum = chunk->chunkNum+1;
2895 chunk=&trk->cluster[i];
2896 chunkSize = chunk->size;
2902 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
2906 int64_t pos = avio_tell(pb);
2907 avio_wb32(pb, 0); /* size placeholder*/
2908 ffio_wfourcc(pb, "moov");
2910 for (i = 0; i < mov->nb_streams; i++) {
2911 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
2914 mov->tracks[i].time = mov->time;
2915 mov->tracks[i].track_id = i + 1;
2917 if (mov->tracks[i].entry)
2918 build_chunks(&mov->tracks[i]);
2921 if (mov->chapter_track)
2922 for (i = 0; i < s->nb_streams; i++) {
2923 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
2924 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
2926 for (i = 0; i < mov->nb_streams; i++) {
2927 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
2928 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
2929 mov->tracks[i].tref_id =
2930 mov->tracks[mov->tracks[i].src_track].track_id;
2933 for (i = 0; i < mov->nb_streams; i++) {
2934 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
2935 int src_trk = mov->tracks[i].src_track;
2936 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
2937 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
2938 //src_trk may have a different timescale than the tmcd track
2939 mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration,
2940 mov->tracks[i].timescale,
2941 mov->tracks[src_trk].timescale);
2945 mov_write_mvhd_tag(pb, mov);
2946 if (mov->mode != MODE_MOV && !mov->iods_skip)
2947 mov_write_iods_tag(pb, mov);
2948 for (i = 0; i < mov->nb_streams; i++) {
2949 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
2950 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
2953 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2954 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
2956 if (mov->mode == MODE_PSP)
2957 mov_write_uuidusmt_tag(pb, s);
2959 mov_write_udta_tag(pb, mov, s);
2961 return update_size(pb, pos);
2964 static void param_write_int(AVIOContext *pb, const char *name, int value)
2966 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
2969 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
2971 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
2974 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
2977 len = FFMIN(sizeof(buf) / 2 - 1, len);
2978 ff_data_to_hex(buf, value, len, 0);
2979 buf[2 * len] = '\0';
2980 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
2983 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
2985 int64_t pos = avio_tell(pb);
2987 static const uint8_t uuid[] = {
2988 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
2989 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
2993 ffio_wfourcc(pb, "uuid");
2994 avio_write(pb, uuid, sizeof(uuid));
2997 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
2998 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
2999 avio_printf(pb, "<head>\n");
3001 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
3003 avio_printf(pb, "</head>\n");
3004 avio_printf(pb, "<body>\n");
3005 avio_printf(pb, "<switch>\n");
3006 for (i = 0; i < mov->nb_streams; i++) {
3007 MOVTrack *track = &mov->tracks[i];
3009 /* track->track_id is initialized in write_moov, and thus isn't known
3011 int track_id = i + 1;
3013 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
3015 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
3020 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
3021 track->enc->bit_rate);
3022 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
3023 param_write_int(pb, "trackID", track_id);
3024 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
3025 if (track->enc->codec_id == AV_CODEC_ID_H264) {
3027 int size = track->enc->extradata_size;
3028 if (!ff_avc_write_annexb_extradata(track->enc->extradata, &ptr,
3030 param_write_hex(pb, "CodecPrivateData",
3031 ptr ? ptr : track->enc->extradata,
3035 param_write_string(pb, "FourCC", "H264");
3036 } else if (track->enc->codec_id == AV_CODEC_ID_VC1) {
3037 param_write_string(pb, "FourCC", "WVC1");
3038 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
3039 track->enc->extradata_size);
3041 param_write_int(pb, "MaxWidth", track->enc->width);
3042 param_write_int(pb, "MaxHeight", track->enc->height);
3043 param_write_int(pb, "DisplayWidth", track->enc->width);
3044 param_write_int(pb, "DisplayHeight", track->enc->height);
3046 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
3047 param_write_string(pb, "FourCC", "AACL");
3048 } else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO) {
3049 param_write_string(pb, "FourCC", "WMAP");
3051 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
3052 track->enc->extradata_size);
3053 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
3054 track->enc->codec_id));
3055 param_write_int(pb, "Channels", track->enc->channels);
3056 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
3057 param_write_int(pb, "BitsPerSample", 16);
3058 param_write_int(pb, "PacketSize", track->enc->block_align ?
3059 track->enc->block_align : 4);
3061 avio_printf(pb, "</%s>\n", type);
3063 avio_printf(pb, "</switch>\n");
3064 avio_printf(pb, "</body>\n");
3065 avio_printf(pb, "</smil>\n");
3067 return update_size(pb, pos);
3070 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
3073 ffio_wfourcc(pb, "mfhd");
3075 avio_wb32(pb, mov->fragments);
3079 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
3080 MOVTrack *track, int64_t moof_offset)
3082 int64_t pos = avio_tell(pb);
3083 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
3084 MOV_TFHD_BASE_DATA_OFFSET;
3085 if (!track->entry) {
3086 flags |= MOV_TFHD_DURATION_IS_EMPTY;
3088 flags |= MOV_TFHD_DEFAULT_FLAGS;
3090 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
3091 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
3093 /* Don't set a default sample size, the silverlight player refuses
3094 * to play files with that set. Don't set a default sample duration,
3095 * WMP freaks out if it is set. Don't set a base data offset, PIFF
3096 * file format says it MUST NOT be set. */
3097 if (track->mode == MODE_ISM)
3098 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
3099 MOV_TFHD_BASE_DATA_OFFSET);
3101 avio_wb32(pb, 0); /* size placeholder */
3102 ffio_wfourcc(pb, "tfhd");
3103 avio_w8(pb, 0); /* version */
3104 avio_wb24(pb, flags);
3106 avio_wb32(pb, track->track_id); /* track-id */
3107 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
3108 avio_wb64(pb, moof_offset);
3109 if (flags & MOV_TFHD_DEFAULT_DURATION) {
3110 track->default_duration = get_cluster_duration(track, 0);
3111 avio_wb32(pb, track->default_duration);
3113 if (flags & MOV_TFHD_DEFAULT_SIZE) {
3114 track->default_size = track->entry ? track->cluster[0].size : 1;
3115 avio_wb32(pb, track->default_size);
3117 track->default_size = -1;
3119 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
3120 track->default_sample_flags =
3121 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
3122 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
3123 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
3124 avio_wb32(pb, track->default_sample_flags);
3127 return update_size(pb, pos);
3130 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
3132 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
3133 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
3136 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
3137 MOVTrack *track, int moof_size)
3139 int64_t pos = avio_tell(pb);
3140 uint32_t flags = MOV_TRUN_DATA_OFFSET;
3143 for (i = 0; i < track->entry; i++) {
3144 if (get_cluster_duration(track, i) != track->default_duration)
3145 flags |= MOV_TRUN_SAMPLE_DURATION;
3146 if (track->cluster[i].size != track->default_size)
3147 flags |= MOV_TRUN_SAMPLE_SIZE;
3148 if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
3149 flags |= MOV_TRUN_SAMPLE_FLAGS;
3151 if (!(flags & MOV_TRUN_SAMPLE_FLAGS))
3152 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
3153 if (track->flags & MOV_TRACK_CTTS)
3154 flags |= MOV_TRUN_SAMPLE_CTS;
3156 avio_wb32(pb, 0); /* size placeholder */
3157 ffio_wfourcc(pb, "trun");
3158 avio_w8(pb, 0); /* version */
3159 avio_wb24(pb, flags);
3161 avio_wb32(pb, track->entry); /* sample count */
3162 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
3163 !(mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) &&
3164 track->track_id != 1)
3165 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
3167 avio_wb32(pb, moof_size + 8 + track->data_offset +
3168 track->cluster[0].pos); /* data offset */
3169 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
3170 avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
3172 for (i = 0; i < track->entry; i++) {
3173 if (flags & MOV_TRUN_SAMPLE_DURATION)
3174 avio_wb32(pb, get_cluster_duration(track, i));
3175 if (flags & MOV_TRUN_SAMPLE_SIZE)
3176 avio_wb32(pb, track->cluster[i].size);
3177 if (flags & MOV_TRUN_SAMPLE_FLAGS)
3178 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
3179 if (flags & MOV_TRUN_SAMPLE_CTS)
3180 avio_wb32(pb, track->cluster[i].cts);
3183 return update_size(pb, pos);
3186 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
3188 int64_t pos = avio_tell(pb);
3189 static const uint8_t uuid[] = {
3190 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
3191 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
3194 avio_wb32(pb, 0); /* size placeholder */
3195 ffio_wfourcc(pb, "uuid");
3196 avio_write(pb, uuid, sizeof(uuid));
3199 avio_wb64(pb, track->frag_start);
3200 avio_wb64(pb, track->start_dts + track->track_duration -
3201 track->cluster[0].dts);
3203 return update_size(pb, pos);
3206 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
3207 MOVTrack *track, int entry)
3209 int n = track->nb_frag_info - 1 - entry, i;
3210 int size = 8 + 16 + 4 + 1 + 16*n;
3211 static const uint8_t uuid[] = {
3212 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
3213 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
3219 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
3220 avio_wb32(pb, size);
3221 ffio_wfourcc(pb, "uuid");
3222 avio_write(pb, uuid, sizeof(uuid));
3226 for (i = 0; i < n; i++) {
3227 int index = entry + 1 + i;
3228 avio_wb64(pb, track->frag_info[index].time);
3229 avio_wb64(pb, track->frag_info[index].duration);
3231 if (n < mov->ism_lookahead) {
3232 int free_size = 16 * (mov->ism_lookahead - n);
3233 avio_wb32(pb, free_size);
3234 ffio_wfourcc(pb, "free");
3235 ffio_fill(pb, 0, free_size - 8);
3241 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
3244 int64_t pos = avio_tell(pb);
3246 for (i = 0; i < mov->ism_lookahead; i++) {
3247 /* Update the tfrf tag for the last ism_lookahead fragments,
3248 * nb_frag_info - 1 is the next fragment to be written. */
3249 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
3251 avio_seek(pb, pos, SEEK_SET);
3255 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
3256 MOVTrack *track, int64_t moof_offset,
3259 int64_t pos = avio_tell(pb);
3260 avio_wb32(pb, 0); /* size placeholder */
3261 ffio_wfourcc(pb, "traf");
3263 mov_write_tfhd_tag(pb, mov, track, moof_offset);
3264 mov_write_trun_tag(pb, mov, track, moof_size);
3265 if (mov->mode == MODE_ISM) {
3266 mov_write_tfxd_tag(pb, track);
3268 if (mov->ism_lookahead) {
3269 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
3271 track->tfrf_offset = avio_tell(pb);
3272 avio_wb32(pb, 8 + size);
3273 ffio_wfourcc(pb, "free");
3274 for (i = 0; i < size; i++)
3279 return update_size(pb, pos);
3282 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
3283 int tracks, int moof_size)
3285 int64_t pos = avio_tell(pb);
3288 avio_wb32(pb, 0); /* size placeholder */
3289 ffio_wfourcc(pb, "moof");
3291 mov_write_mfhd_tag(pb, mov);
3292 for (i = 0; i < mov->nb_streams; i++) {
3293 MOVTrack *track = &mov->tracks[i];
3294 if (tracks >= 0 && i != tracks)
3298 mov_write_traf_tag(pb, mov, track, pos, moof_size);
3301 return update_size(pb, pos);
3304 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
3306 AVIOContext *avio_buf;
3309 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
3311 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
3312 moof_size = ffio_close_null_buf(avio_buf);
3313 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
3316 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
3318 int64_t pos = avio_tell(pb);
3321 avio_wb32(pb, 0); /* size placeholder */
3322 ffio_wfourcc(pb, "tfra");
3323 avio_w8(pb, 1); /* version */
3326 avio_wb32(pb, track->track_id);
3327 avio_wb32(pb, 0); /* length of traf/trun/sample num */
3328 avio_wb32(pb, track->nb_frag_info);
3329 for (i = 0; i < track->nb_frag_info; i++) {
3330 avio_wb64(pb, track->frag_info[i].time);
3331 avio_wb64(pb, track->frag_info[i].offset);
3332 avio_w8(pb, 1); /* traf number */
3333 avio_w8(pb, 1); /* trun number */
3334 avio_w8(pb, 1); /* sample number */
3337 return update_size(pb, pos);
3340 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
3342 int64_t pos = avio_tell(pb);
3345 avio_wb32(pb, 0); /* size placeholder */
3346 ffio_wfourcc(pb, "mfra");
3347 /* An empty mfra atom is enough to indicate to the publishing point that
3348 * the stream has ended. */
3349 if (mov->flags & FF_MOV_FLAG_ISML)
3350 return update_size(pb, pos);
3352 for (i = 0; i < mov->nb_streams; i++) {
3353 MOVTrack *track = &mov->tracks[i];
3354 if (track->nb_frag_info)
3355 mov_write_tfra_tag(pb, track);
3359 ffio_wfourcc(pb, "mfro");
3360 avio_wb32(pb, 0); /* version + flags */
3361 avio_wb32(pb, avio_tell(pb) + 4 - pos);
3363 return update_size(pb, pos);
3366 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
3368 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
3369 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
3371 mov->mdat_pos = avio_tell(pb);
3372 avio_wb32(pb, 0); /* size placeholder*/
3373 ffio_wfourcc(pb, "mdat");
3377 /* TODO: This needs to be more general */
3378 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
3380 MOVMuxContext *mov = s->priv_data;
3381 int64_t pos = avio_tell(pb);
3382 int has_h264 = 0, has_video = 0;
3386 for (i = 0; i < s->nb_streams; i++) {
3387 AVStream *st = s->streams[i];
3388 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
3390 if (st->codec->codec_id == AV_CODEC_ID_H264)
3394 avio_wb32(pb, 0); /* size */
3395 ffio_wfourcc(pb, "ftyp");
3397 if (mov->major_brand && strlen(mov->major_brand) >= 4)
3398 ffio_wfourcc(pb, mov->major_brand);
3399 else if (mov->mode == MODE_3GP) {
3400 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
3401 minor = has_h264 ? 0x100 : 0x200;
3402 } else if (mov->mode & MODE_3G2) {
3403 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
3404 minor = has_h264 ? 0x20000 : 0x10000;
3405 } else if (mov->mode == MODE_PSP)
3406 ffio_wfourcc(pb, "MSNV");
3407 else if (mov->mode == MODE_MP4)
3408 ffio_wfourcc(pb, "isom");
3409 else if (mov->mode == MODE_IPOD)
3410 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
3411 else if (mov->mode == MODE_ISM)
3412 ffio_wfourcc(pb, "isml");
3413 else if (mov->mode == MODE_F4V)
3414 ffio_wfourcc(pb, "f4v ");
3416 ffio_wfourcc(pb, "qt ");
3418 avio_wb32(pb, minor);
3420 if (mov->mode == MODE_MOV)
3421 ffio_wfourcc(pb, "qt ");
3422 else if (mov->mode == MODE_ISM) {
3423 ffio_wfourcc(pb, "piff");
3424 ffio_wfourcc(pb, "iso2");
3426 ffio_wfourcc(pb, "isom");
3427 ffio_wfourcc(pb, "iso2");
3429 ffio_wfourcc(pb, "avc1");
3432 if (mov->mode == MODE_3GP)
3433 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
3434 else if (mov->mode & MODE_3G2)
3435 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
3436 else if (mov->mode == MODE_PSP)
3437 ffio_wfourcc(pb, "MSNV");
3438 else if (mov->mode == MODE_MP4)
3439 ffio_wfourcc(pb, "mp41");
3440 return update_size(pb, pos);
3443 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
3445 AVStream *video_st = s->streams[0];
3446 AVCodecContext *video_codec = s->streams[0]->codec;
3447 AVCodecContext *audio_codec = s->streams[1]->codec;
3448 int audio_rate = audio_codec->sample_rate;
3449 // TODO: should be avg_frame_rate
3450 int frame_rate = ((video_st->time_base.den) * (0x10000)) / (video_st->time_base.num);
3451 int audio_kbitrate = audio_codec->bit_rate / 1000;
3452 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
3454 avio_wb32(pb, 0x94); /* size */
3455 ffio_wfourcc(pb, "uuid");
3456 ffio_wfourcc(pb, "PROF");
3458 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
3459 avio_wb32(pb, 0xbb88695c);
3460 avio_wb32(pb, 0xfac9c740);
3462 avio_wb32(pb, 0x0); /* ? */
3463 avio_wb32(pb, 0x3); /* 3 sections ? */
3465 avio_wb32(pb, 0x14); /* size */
3466 ffio_wfourcc(pb, "FPRF");
3467 avio_wb32(pb, 0x0); /* ? */
3468 avio_wb32(pb, 0x0); /* ? */
3469 avio_wb32(pb, 0x0); /* ? */
3471 avio_wb32(pb, 0x2c); /* size */
3472 ffio_wfourcc(pb, "APRF"); /* audio */
3474 avio_wb32(pb, 0x2); /* TrackID */
3475 ffio_wfourcc(pb, "mp4a");
3476 avio_wb32(pb, 0x20f);
3478 avio_wb32(pb, audio_kbitrate);
3479 avio_wb32(pb, audio_kbitrate);
3480 avio_wb32(pb, audio_rate);
3481 avio_wb32(pb, audio_codec->channels);
3483 avio_wb32(pb, 0x34); /* size */
3484 ffio_wfourcc(pb, "VPRF"); /* video */
3486 avio_wb32(pb, 0x1); /* TrackID */
3487 if (video_codec->codec_id == AV_CODEC_ID_H264) {
3488 ffio_wfourcc(pb, "avc1");
3489 avio_wb16(pb, 0x014D);
3490 avio_wb16(pb, 0x0015);
3492 ffio_wfourcc(pb, "mp4v");
3493 avio_wb16(pb, 0x0000);
3494 avio_wb16(pb, 0x0103);
3497 avio_wb32(pb, video_kbitrate);
3498 avio_wb32(pb, video_kbitrate);
3499 avio_wb32(pb, frame_rate);
3500 avio_wb32(pb, frame_rate);
3501 avio_wb16(pb, video_codec->width);
3502 avio_wb16(pb, video_codec->height);
3503 avio_wb32(pb, 0x010001); /* ? */
3506 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
3509 int i, closed_gop = 0;
3511 for (i = 0; i < pkt->size - 4; i++) {
3512 c = (c << 8) + pkt->data[i];
3513 if (c == 0x1b8) { // gop
3514 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
3515 } else if (c == 0x100) { // pic
3516 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
3517 if (!temp_ref || closed_gop) // I picture is not reordered
3518 *flags = MOV_SYNC_SAMPLE;
3520 *flags = MOV_PARTIAL_SYNC_SAMPLE;
3527 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment)
3529 const uint8_t *start, *next, *end = pkt->data + pkt->size;
3530 int seq = 0, entry = 0;
3531 int key = pkt->flags & AV_PKT_FLAG_KEY;
3532 start = find_next_marker(pkt->data, end);
3533 for (next = start; next < end; start = next) {
3534 next = find_next_marker(start + 4, end);
3535 switch (AV_RB32(start)) {
3536 case VC1_CODE_SEQHDR:
3539 case VC1_CODE_ENTRYPOINT:
3542 case VC1_CODE_SLICE:
3543 trk->vc1_info.slices = 1;
3547 if (!trk->entry && !fragment) {
3548 /* First packet in first fragment */
3549 trk->vc1_info.first_packet_seq = seq;
3550 trk->vc1_info.first_packet_entry = entry;
3551 } else if ((seq && !trk->vc1_info.packet_seq) ||
3552 (entry && !trk->vc1_info.packet_entry)) {
3554 for (i = 0; i < trk->entry; i++)
3555 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
3556 trk->has_keyframes = 0;
3558 trk->vc1_info.packet_seq = 1;
3560 trk->vc1_info.packet_entry = 1;
3562 /* First fragment */
3563 if ((!seq || trk->vc1_info.first_packet_seq) &&
3564 (!entry || trk->vc1_info.first_packet_entry)) {
3565 /* First packet had the same headers as this one, readd the
3566 * sync sample flag. */
3567 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
3568 trk->has_keyframes = 1;
3572 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
3574 else if (trk->vc1_info.packet_seq)
3576 else if (trk->vc1_info.packet_entry)
3579 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
3580 trk->has_keyframes++;
3584 static int mov_flush_fragment(AVFormatContext *s)
3586 MOVMuxContext *mov = s->priv_data;
3587 int i, first_track = -1;
3588 int64_t mdat_size = 0;
3590 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
3593 if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) {
3594 int64_t pos = avio_tell(s->pb);
3596 int buf_size, moov_size;
3598 for (i = 0; i < mov->nb_streams; i++)
3599 if (!mov->tracks[i].entry)
3601 /* Don't write the initial moov unless all tracks have data */
3602 if (i < mov->nb_streams)
3605 moov_size = get_moov_size(s);
3606 for (i = 0; i < mov->nb_streams; i++)
3607 mov->tracks[i].data_offset = pos + moov_size + 8;
3609 mov_write_moov_tag(s->pb, mov, s);
3611 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
3612 mov->mdat_buf = NULL;
3613 avio_wb32(s->pb, buf_size + 8);
3614 ffio_wfourcc(s->pb, "mdat");
3615 avio_write(s->pb, buf, buf_size);
3620 for (i = 0; i < mov->nb_streams; i++) {
3621 if (mov->tracks[i].entry)
3622 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
3623 mov->tracks[i].track_duration -
3624 mov->tracks[i].cluster[0].dts;
3625 mov->tracks[i].entry = 0;
3631 for (i = 0; i < mov->nb_streams; i++) {
3632 MOVTrack *track = &mov->tracks[i];
3633 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
3634 track->data_offset = 0;
3636 track->data_offset = mdat_size;
3637 if (!track->mdat_buf)
3639 mdat_size += avio_tell(track->mdat_buf);
3640 if (first_track < 0)
3647 for (i = 0; i < mov->nb_streams; i++) {
3648 MOVTrack *track = &mov->tracks[i];
3649 int buf_size, write_moof = 1, moof_tracks = -1;
3651 int64_t duration = 0;
3654 duration = track->start_dts + track->track_duration -
3655 track->cluster[0].dts;
3656 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
3657 if (!track->mdat_buf)
3659 mdat_size = avio_tell(track->mdat_buf);
3662 write_moof = i == first_track;
3666 MOVFragmentInfo *info;
3668 track->nb_frag_info++;
3669 if (track->nb_frag_info >= track->frag_info_capacity) {
3670 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
3671 if (av_reallocp_array(&track->frag_info,
3673 sizeof(*track->frag_info)))
3674 return AVERROR(ENOMEM);
3675 track->frag_info_capacity = new_capacity;
3677 info = &track->frag_info[track->nb_frag_info - 1];
3678 info->offset = avio_tell(s->pb);
3679 info->time = track->frag_start;
3680 info->duration = duration;
3681 mov_write_tfrf_tags(s->pb, mov, track);
3683 mov_write_moof_tag(s->pb, mov, moof_tracks);
3684 info->tfrf_offset = track->tfrf_offset;
3687 avio_wb32(s->pb, mdat_size + 8);
3688 ffio_wfourcc(s->pb, "mdat");
3692 track->frag_start += duration;
3694 if (!track->mdat_buf)
3696 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
3697 track->mdat_buf = NULL;
3699 avio_write(s->pb, buf, buf_size);
3709 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3711 MOVMuxContext *mov = s->priv_data;
3712 AVIOContext *pb = s->pb;
3713 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3714 AVCodecContext *enc = trk->enc;
3715 unsigned int samples_in_chunk = 0;
3716 int size = pkt->size;
3717 uint8_t *reformatted_data = NULL;
3720 int64_t duration = pkt->dts - trk->cluster[trk->entry - 1].dts;
3721 if (duration < 0 || duration > INT_MAX) {
3722 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n",
3726 pkt->dts = trk->cluster[trk->entry - 1].dts + 1;
3727 pkt->pts = AV_NOPTS_VALUE;
3729 if (pkt->duration < 0) {
3730 av_log(s, AV_LOG_ERROR, "Application provided duration: %d is invalid\n", pkt->duration);
3731 return AVERROR(EINVAL);
3734 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
3736 if (mov->fragments > 0) {
3737 if (!trk->mdat_buf) {
3738 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
3743 if (!mov->mdat_buf) {
3744 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
3751 if (enc->codec_id == AV_CODEC_ID_AMR_NB) {
3752 /* We must find out how many AMR blocks there are in one packet */
3753 static uint16_t packed_size[16] =
3754 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
3757 while (len < size && samples_in_chunk < 100) {
3758 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
3761 if (samples_in_chunk > 1) {
3762 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
3765 } else if (enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
3766 enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
3767 samples_in_chunk = enc->frame_size;
3768 } else if (trk->sample_size)
3769 samples_in_chunk = size / trk->sample_size;
3771 samples_in_chunk = 1;
3773 /* copy extradata if it exists */
3774 if (trk->vos_len == 0 && enc->extradata_size > 0 && !TAG_IS_AVCI(trk->tag)) {
3775 trk->vos_len = enc->extradata_size;
3776 trk->vos_data = av_malloc(trk->vos_len);
3777 memcpy(trk->vos_data, enc->extradata, trk->vos_len);
3780 if (enc->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
3781 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
3782 if (!s->streams[pkt->stream_index]->nb_frames) {
3783 av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
3784 "use the audio bitstream filter 'aac_adtstoasc' to fix it "
3785 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
3788 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
3790 if (enc->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1 && !TAG_IS_AVCI(trk->tag)) {
3791 /* from x264 or from bytestream h264 */
3792 /* nal reformating needed */
3793 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
3794 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
3796 avio_write(pb, reformatted_data, size);
3798 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
3800 } else if (enc->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
3801 (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
3802 /* extradata is Annex B, assume the bitstream is too and convert it */
3803 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
3804 ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data, &size, 0, NULL);
3805 avio_write(pb, reformatted_data, size);
3807 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
3809 } else if (enc->codec_id == AV_CODEC_ID_EAC3) {
3810 size = handle_eac3(mov, pkt, trk);
3813 avio_write(pb, pkt->data, size);
3815 avio_write(pb, pkt->data, size);
3818 if ((enc->codec_id == AV_CODEC_ID_DNXHD ||
3819 enc->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
3820 /* copy frame to create needed atoms */
3821 trk->vos_len = size;
3822 trk->vos_data = av_malloc(size);
3824 return AVERROR(ENOMEM);
3825 memcpy(trk->vos_data, pkt->data, size);
3828 if (trk->entry >= trk->cluster_capacity) {
3829 unsigned new_capacity = 2 * (trk->entry + MOV_INDEX_CLUSTER_SIZE);
3830 if (av_reallocp_array(&trk->cluster, new_capacity,
3831 sizeof(*trk->cluster)))
3832 return AVERROR(ENOMEM);
3833 trk->cluster_capacity = new_capacity;
3836 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
3837 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
3838 trk->cluster[trk->entry].chunkNum = 0;
3839 trk->cluster[trk->entry].size = size;
3840 trk->cluster[trk->entry].entries = samples_in_chunk;
3841 trk->cluster[trk->entry].dts = pkt->dts;
3842 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
3843 /* First packet of a new fragment. We already wrote the duration
3844 * of the last packet of the previous fragment based on track_duration,
3845 * which might not exactly match our dts. Therefore adjust the dts
3846 * of this packet to be what the previous packets duration implies. */
3847 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
3849 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !supports_edts(mov)) {
3850 trk->cluster[trk->entry].dts = trk->start_dts = 0;
3852 if (trk->start_dts == AV_NOPTS_VALUE) {
3853 trk->start_dts = pkt->dts;
3854 if (pkt->dts && mov->flags & FF_MOV_FLAG_EMPTY_MOOV)
3855 av_log(s, AV_LOG_WARNING,
3856 "Track %d starts with a nonzero dts %"PRId64". This "
3857 "currently isn't handled correctly in combination with "
3858 "empty_moov.\n", pkt->stream_index, pkt->dts);
3860 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
3861 trk->last_sample_is_subtitle_end = 0;
3863 if (pkt->pts == AV_NOPTS_VALUE) {
3864 av_log(s, AV_LOG_WARNING, "pts has no value\n");
3865 pkt->pts = pkt->dts;
3867 if (pkt->dts != pkt->pts)
3868 trk->flags |= MOV_TRACK_CTTS;
3869 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
3870 trk->cluster[trk->entry].flags = 0;
3871 if (enc->codec_id == AV_CODEC_ID_VC1) {
3872 mov_parse_vc1_frame(pkt, trk, mov->fragments);
3873 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
3874 if (mov->mode == MODE_MOV && enc->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
3875 trk->entry > 0) { // force sync sample for the first key frame
3876 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
3877 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
3878 trk->flags |= MOV_TRACK_STPS;
3880 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
3882 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
3883 trk->has_keyframes++;
3886 trk->sample_count += samples_in_chunk;
3887 mov->mdat_size += size;
3889 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
3890 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
3891 reformatted_data, size);
3892 av_free(reformatted_data);
3896 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
3898 MOVMuxContext *mov = s->priv_data;
3899 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3900 AVCodecContext *enc = trk->enc;
3901 int64_t frag_duration = 0;
3902 int size = pkt->size;
3905 return 0; /* Discard 0 sized packets */
3907 if (trk->entry && pkt->stream_index < s->nb_streams)
3908 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
3909 s->streams[pkt->stream_index]->time_base,
3911 if ((mov->max_fragment_duration &&
3912 frag_duration >= mov->max_fragment_duration) ||
3913 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
3914 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
3915 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
3916 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
3917 if (frag_duration >= mov->min_fragment_duration)
3918 mov_flush_fragment(s);
3921 return ff_mov_write_packet(s, pkt);
3924 static int mov_write_subtitle_end_packet(AVFormatContext *s,
3928 uint8_t data[2] = {0};
3931 av_init_packet(&end);
3932 end.size = sizeof(data);
3937 end.stream_index = stream_index;
3939 ret = mov_write_single_packet(s, &end);
3940 av_free_packet(&end);
3945 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3948 mov_flush_fragment(s);
3952 MOVMuxContext *mov = s->priv_data;
3954 if (!pkt->size) return 0; /* Discard 0 sized packets */
3957 * Subtitles require special handling.
3959 * 1) For full complaince, every track must have a sample at
3960 * dts == 0, which is rarely true for subtitles. So, as soon
3961 * as we see any packet with dts > 0, write an empty subtitle
3962 * at dts == 0 for any subtitle track with no samples in it.
3964 * 2) For each subtitle track, check if the current packet's
3965 * dts is past the duration of the last subtitle sample. If
3966 * so, we now need to write an end sample for that subtitle.
3968 * This must be done conditionally to allow for subtitles that
3969 * immediately replace each other, in which case an end sample
3970 * is not needed, and is, in fact, actively harmful.
3972 * 3) See mov_write_trailer for how the final end sample is
3975 for (i = 0; i < mov->nb_streams; i++) {
3976 MOVTrack *trk = &mov->tracks[i];
3979 if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
3980 trk->track_duration < pkt->dts &&
3981 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
3982 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
3983 if (ret < 0) return ret;
3984 trk->last_sample_is_subtitle_end = 1;
3988 return mov_write_single_packet(s, pkt);
3992 // QuickTime chapters involve an additional text track with the chapter names
3993 // as samples, and a tref pointing from the other tracks to the chapter one.
3994 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
3998 MOVMuxContext *mov = s->priv_data;
3999 MOVTrack *track = &mov->tracks[tracknum];
4000 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
4003 track->mode = mov->mode;
4004 track->tag = MKTAG('t','e','x','t');
4005 track->timescale = MOV_TIMESCALE;
4006 track->enc = avcodec_alloc_context3(NULL);
4008 return AVERROR(ENOMEM);
4009 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
4011 // These properties are required to make QT recognize the chapter track
4012 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
4013 if (ff_alloc_extradata(track->enc, sizeof(chapter_properties)))
4014 return AVERROR(ENOMEM);
4015 memcpy(track->enc->extradata, chapter_properties, sizeof(chapter_properties));
4017 if (avio_open_dyn_buf(&pb) >= 0) {
4021 /* Stub header (usually for Quicktime chapter track) */
4023 avio_wb32(pb, 0x01); // displayFlags
4024 avio_w8(pb, 0x00); // horizontal justification
4025 avio_w8(pb, 0x00); // vertical justification
4026 avio_w8(pb, 0x00); // bgColourRed
4027 avio_w8(pb, 0x00); // bgColourGreen
4028 avio_w8(pb, 0x00); // bgColourBlue
4029 avio_w8(pb, 0x00); // bgColourAlpha
4031 avio_wb16(pb, 0x00); // defTextBoxTop
4032 avio_wb16(pb, 0x00); // defTextBoxLeft
4033 avio_wb16(pb, 0x00); // defTextBoxBottom
4034 avio_wb16(pb, 0x00); // defTextBoxRight
4036 avio_wb16(pb, 0x00); // startChar
4037 avio_wb16(pb, 0x00); // endChar
4038 avio_wb16(pb, 0x01); // fontID
4039 avio_w8(pb, 0x00); // fontStyleFlags
4040 avio_w8(pb, 0x00); // fontSize
4041 avio_w8(pb, 0x00); // fgColourRed
4042 avio_w8(pb, 0x00); // fgColourGreen
4043 avio_w8(pb, 0x00); // fgColourBlue
4044 avio_w8(pb, 0x00); // fgColourAlpha
4046 avio_wb32(pb, 0x0D); // box size
4047 ffio_wfourcc(pb, "ftab"); // box atom name
4048 avio_wb16(pb, 0x01); // entry count
4050 avio_wb16(pb, 0x01); // font ID
4051 avio_w8(pb, 0x00); // font name length
4053 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
4054 track->enc->extradata = buf;
4055 track->enc->extradata_size = size;
4062 for (i = 0; i < s->nb_chapters; i++) {
4063 AVChapter *c = s->chapters[i];
4064 AVDictionaryEntry *t;
4066 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
4067 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
4068 pkt.duration = end - pkt.dts;
4070 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
4071 const char encd[12] = {
4072 0x00, 0x00, 0x00, 0x0C,
4074 0x00, 0x00, 0x01, 0x00 };
4075 len = strlen(t->value);
4076 pkt.size = len + 2 + 12;
4077 pkt.data = av_malloc(pkt.size);
4079 return AVERROR(ENOMEM);
4080 AV_WB16(pkt.data, len);
4081 memcpy(pkt.data + 2, t->value, len);
4082 memcpy(pkt.data + len + 2, encd, sizeof(encd));
4083 ff_mov_write_packet(s, &pkt);
4084 av_freep(&pkt.data);
4091 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, const char *tcstr)
4094 MOVMuxContext *mov = s->priv_data;
4095 MOVTrack *track = &mov->tracks[index];
4096 AVStream *src_st = s->streams[src_index];
4098 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
4099 AVRational rate = find_fps(s, src_st);
4101 /* compute the frame number */
4102 ret = av_timecode_init_from_string(&tc, rate, tcstr, s);
4106 /* tmcd track based on video stream */
4107 track->mode = mov->mode;
4108 track->tag = MKTAG('t','m','c','d');
4109 track->src_track = src_index;
4110 track->timescale = mov->tracks[src_index].timescale;
4111 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
4112 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
4114 /* set st to src_st for metadata access*/
4117 /* encode context: tmcd data stream */
4118 track->enc = avcodec_alloc_context3(NULL);
4119 track->enc->codec_type = AVMEDIA_TYPE_DATA;
4120 track->enc->codec_tag = track->tag;
4121 track->enc->time_base = av_inv_q(rate);
4123 /* the tmcd track just contains one packet with the frame number */
4124 pkt.data = av_malloc(pkt.size);
4125 AV_WB32(pkt.data, tc.start);
4126 ret = ff_mov_write_packet(s, &pkt);
4132 * st->disposition controls the "enabled" flag in the tkhd tag.
4133 * QuickTime will not play a track if it is not enabled. So make sure
4134 * that one track of each type (audio, video, subtitle) is enabled.
4136 * Subtitles are special. For audio and video, setting "enabled" also
4137 * makes the track "default" (i.e. it is rendered when played). For
4138 * subtitles, an "enabled" subtitle is not rendered by default, but
4139 * if no subtitle is enabled, the subtitle menu in QuickTime will be
4142 static void enable_tracks(AVFormatContext *s)
4144 MOVMuxContext *mov = s->priv_data;
4146 int enabled[AVMEDIA_TYPE_NB];
4147 int first[AVMEDIA_TYPE_NB];
4149 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
4154 for (i = 0; i < s->nb_streams; i++) {
4155 AVStream *st = s->streams[i];
4157 if (st->codec->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
4158 st->codec->codec_type >= AVMEDIA_TYPE_NB)
4161 if (first[st->codec->codec_type] < 0)
4162 first[st->codec->codec_type] = i;
4163 if (st->disposition & AV_DISPOSITION_DEFAULT) {
4164 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
4165 enabled[st->codec->codec_type]++;
4169 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
4171 case AVMEDIA_TYPE_VIDEO:
4172 case AVMEDIA_TYPE_AUDIO:
4173 case AVMEDIA_TYPE_SUBTITLE:
4175 mov->per_stream_grouping = 1;
4176 if (!enabled[i] && first[i] >= 0)
4177 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
4183 static void mov_free(AVFormatContext *s)
4185 MOVMuxContext *mov = s->priv_data;
4188 if (mov->chapter_track) {
4189 if (mov->tracks[mov->chapter_track].enc)
4190 av_freep(&mov->tracks[mov->chapter_track].enc->extradata);
4191 av_freep(&mov->tracks[mov->chapter_track].enc);
4194 for (i = 0; i < mov->nb_streams; i++) {
4195 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
4196 ff_mov_close_hinting(&mov->tracks[i]);
4197 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
4198 av_freep(&mov->tracks[i].enc);
4199 av_freep(&mov->tracks[i].cluster);
4200 av_freep(&mov->tracks[i].frag_info);
4202 if (mov->tracks[i].vos_len)
4203 av_freep(&mov->tracks[i].vos_data);
4206 av_freep(&mov->tracks);
4209 static uint32_t rgb_to_yuv(uint32_t rgb)
4214 r = (rgb >> 16) & 0xFF;
4215 g = (rgb >> 8) & 0xFF;
4218 y = av_clip_uint8( 16. + 0.257 * r + 0.504 * g + 0.098 * b);
4219 cb = av_clip_uint8(128. - 0.148 * r - 0.291 * g + 0.439 * b);
4220 cr = av_clip_uint8(128. + 0.439 * r - 0.368 * g - 0.071 * b);
4222 return (y << 16) | (cr << 8) | cb;
4225 static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track,
4228 int i, width = 720, height = 480;
4229 int have_palette = 0, have_size = 0;
4230 uint32_t palette[16];
4231 char *cur = st->codec->extradata;
4233 while (cur && *cur) {
4234 if (strncmp("palette:", cur, 8) == 0) {
4236 count = sscanf(cur + 8,
4237 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
4238 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
4239 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
4240 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
4241 &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
4242 &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
4243 &palette[ 8], &palette[ 9], &palette[10], &palette[11],
4244 &palette[12], &palette[13], &palette[14], &palette[15]);
4246 for (i = 0; i < count; i++) {
4247 palette[i] = rgb_to_yuv(palette[i]);
4250 } else if (!strncmp("size:", cur, 5)) {
4251 sscanf(cur + 5, "%dx%d", &width, &height);
4254 if (have_palette && have_size)
4256 cur += strcspn(cur, "\n\r");
4257 cur += strspn(cur, "\n\r");
4260 track->vos_data = av_malloc(16*4);
4261 if (!track->vos_data)
4262 return AVERROR(ENOMEM);
4263 for (i = 0; i < 16; i++) {
4264 AV_WB32(track->vos_data + i * 4, palette[i]);
4266 track->vos_len = 16 * 4;
4268 st->codec->width = width;
4269 st->codec->height = track->height = height;
4274 static int mov_write_header(AVFormatContext *s)
4276 AVIOContext *pb = s->pb;
4277 MOVMuxContext *mov = s->priv_data;
4278 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
4279 int i, ret, hint_track = 0, tmcd_track = 0;
4283 /* Default mode == MP4 */
4284 mov->mode = MODE_MP4;
4287 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
4288 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
4289 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
4290 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
4291 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
4292 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
4293 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
4296 if (s->flags & AVFMT_FLAG_BITEXACT)
4299 /* Set the FRAGMENT flag if any of the fragmentation methods are
4301 if (mov->max_fragment_duration || mov->max_fragment_size ||
4302 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
4303 FF_MOV_FLAG_FRAG_KEYFRAME |
4304 FF_MOV_FLAG_FRAG_CUSTOM))
4305 mov->flags |= FF_MOV_FLAG_FRAGMENT;
4307 /* Set other implicit flags immediately */
4308 if (mov->mode == MODE_ISM)
4309 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
4310 FF_MOV_FLAG_FRAGMENT;
4312 /* faststart: moov at the beginning of the file, if supported */
4313 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
4314 if ((mov->flags & FF_MOV_FLAG_FRAGMENT) ||
4315 (s->flags & AVFMT_FLAG_CUSTOM_IO)) {
4316 av_log(s, AV_LOG_WARNING, "The faststart flag is incompatible "
4317 "with fragmentation and custom IO, disabling faststart\n");
4318 mov->flags &= ~FF_MOV_FLAG_FASTSTART;
4320 mov->reserved_moov_size = -1;
4323 if (!supports_edts(mov) && s->avoid_negative_ts < 0) {
4324 s->avoid_negative_ts = 2;
4327 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
4328 * is enabled, we don't support non-seekable output at all. */
4329 if (!s->pb->seekable &&
4330 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
4331 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
4332 return AVERROR(EINVAL);
4335 mov_write_ftyp_tag(pb,s);
4336 if (mov->mode == MODE_PSP) {
4337 int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
4338 for (i = 0; i < s->nb_streams; i++) {
4339 AVStream *st = s->streams[i];
4340 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
4342 else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
4348 if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
4349 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
4350 return AVERROR(EINVAL);
4352 mov_write_uuidprof_tag(pb, s);
4355 mov->nb_streams = s->nb_streams;
4356 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
4357 mov->chapter_track = mov->nb_streams++;
4359 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
4360 /* Add hint tracks for each audio and video stream */
4361 hint_track = mov->nb_streams;
4362 for (i = 0; i < s->nb_streams; i++) {
4363 AVStream *st = s->streams[i];
4364 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
4365 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
4371 if (mov->mode == MODE_MOV) {
4372 tmcd_track = mov->nb_streams;
4374 /* +1 tmcd track for each video stream with a timecode */
4375 for (i = 0; i < s->nb_streams; i++) {
4376 AVStream *st = s->streams[i];
4377 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
4378 (global_tcr || av_dict_get(st->metadata, "timecode", NULL, 0)))
4379 mov->nb_meta_tmcd++;
4382 /* check if there is already a tmcd track to remux */
4383 if (mov->nb_meta_tmcd) {
4384 for (i = 0; i < s->nb_streams; i++) {
4385 AVStream *st = s->streams[i];
4386 if (st->codec->codec_tag == MKTAG('t','m','c','d')) {
4387 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
4388 "so timecode metadata are now ignored\n");
4389 mov->nb_meta_tmcd = 0;
4394 mov->nb_streams += mov->nb_meta_tmcd;
4397 // Reserve an extra stream for chapters for the case where chapters
4398 // are written in the trailer
4399 mov->tracks = av_mallocz_array((mov->nb_streams + 1), sizeof(*mov->tracks));
4401 return AVERROR(ENOMEM);
4403 for (i = 0; i < s->nb_streams; i++) {
4404 AVStream *st= s->streams[i];
4405 MOVTrack *track= &mov->tracks[i];
4406 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
4409 track->enc = st->codec;
4410 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
4411 if (track->language < 0)
4412 track->language = 0;
4413 track->mode = mov->mode;
4414 track->tag = mov_find_codec_tag(s, track);
4416 av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, "
4417 "codec not currently supported in container\n",
4418 avcodec_get_name(st->codec->codec_id), i);
4419 ret = AVERROR(EINVAL);
4422 /* If hinting of this track is enabled by a later hint track,
4423 * this is updated. */
4424 track->hint_track = -1;
4425 track->start_dts = AV_NOPTS_VALUE;
4426 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
4427 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
4428 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
4429 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
4430 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
4431 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
4432 ret = AVERROR(EINVAL);
4435 track->height = track->tag >> 24 == 'n' ? 486 : 576;
4437 if (mov->video_track_timescale) {
4438 track->timescale = mov->video_track_timescale;
4440 track->timescale = st->time_base.den;
4441 while(track->timescale < 10000)
4442 track->timescale *= 2;
4444 if (st->codec->width > 65535 || st->codec->height > 65535) {
4445 av_log(s, AV_LOG_ERROR, "Resolution %dx%d too large for mov/mp4\n", st->codec->width, st->codec->height);
4446 ret = AVERROR(EINVAL);
4449 if (track->mode == MODE_MOV && track->timescale > 100000)
4450 av_log(s, AV_LOG_WARNING,
4451 "WARNING codec timebase is very high. If duration is too long,\n"
4452 "file may not be playable by quicktime. Specify a shorter timebase\n"
4453 "or choose different container.\n");
4454 } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
4455 track->timescale = st->codec->sample_rate;
4456 if (!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
4457 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
4458 track->audio_vbr = 1;
4459 }else if (st->codec->codec_id == AV_CODEC_ID_ADPCM_MS ||
4460 st->codec->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
4461 st->codec->codec_id == AV_CODEC_ID_ILBC){
4462 if (!st->codec->block_align) {
4463 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
4464 ret = AVERROR(EINVAL);
4467 track->sample_size = st->codec->block_align;
4468 }else if (st->codec->frame_size > 1){ /* assume compressed audio */
4469 track->audio_vbr = 1;
4471 track->sample_size = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
4473 if (st->codec->codec_id == AV_CODEC_ID_ILBC ||
4474 st->codec->codec_id == AV_CODEC_ID_ADPCM_IMA_QT) {
4475 track->audio_vbr = 1;
4477 if (track->mode != MODE_MOV &&
4478 track->enc->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
4479 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
4480 i, track->enc->sample_rate);
4481 ret = AVERROR(EINVAL);
4484 } else if (st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
4485 track->timescale = st->time_base.den;
4486 } else if (st->codec->codec_type == AVMEDIA_TYPE_DATA) {
4487 track->timescale = st->time_base.den;
4489 track->timescale = MOV_TIMESCALE;
4492 track->height = st->codec->height;
4493 /* The ism specific timescale isn't mandatory, but is assumed by
4494 * some tools, such as mp4split. */
4495 if (mov->mode == MODE_ISM)
4496 track->timescale = 10000000;
4498 avpriv_set_pts_info(st, 64, 1, track->timescale);
4500 /* copy extradata if it exists */
4501 if (st->codec->extradata_size) {
4502 if (st->codec->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
4503 mov_create_dvd_sub_decoder_specific_info(track, st);
4504 else if (!TAG_IS_AVCI(track->tag)){
4505 track->vos_len = st->codec->extradata_size;
4506 track->vos_data = av_malloc(track->vos_len);
4507 memcpy(track->vos_data, st->codec->extradata, track->vos_len);
4512 for (i = 0; i < s->nb_streams; i++) {
4514 AVStream *st= s->streams[i];
4515 MOVTrack *track= &mov->tracks[i];
4517 if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO ||
4518 track->enc->channel_layout != AV_CH_LAYOUT_MONO)
4521 for (j = 0; j < s->nb_streams; j++) {
4522 AVStream *stj= s->streams[j];
4523 MOVTrack *trackj= &mov->tracks[j];
4527 if (stj->codec->codec_type != AVMEDIA_TYPE_AUDIO ||
4528 trackj->enc->channel_layout != AV_CH_LAYOUT_MONO ||
4529 trackj->language != track->language ||
4530 trackj->tag != track->tag
4533 track->multichannel_as_mono++;
4540 if (mov->reserved_moov_size){
4541 mov->reserved_moov_pos= avio_tell(pb);
4542 if (mov->reserved_moov_size > 0)
4543 avio_skip(pb, mov->reserved_moov_size);
4546 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
4547 /* If no fragmentation options have been set, set a default. */
4548 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
4549 FF_MOV_FLAG_FRAG_CUSTOM)) &&
4550 !mov->max_fragment_duration && !mov->max_fragment_size)
4551 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
4553 if (mov->flags & FF_MOV_FLAG_FASTSTART)
4554 mov->reserved_moov_pos = avio_tell(pb);
4555 mov_write_mdat_tag(pb, mov);
4558 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
4559 mov->time = ff_iso8601_to_unix_time(t->value);
4561 mov->time += 0x7C25B080; // 1970 based -> 1904 based
4563 if (mov->chapter_track)
4564 if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0)
4567 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
4568 /* Initialize the hint tracks for each audio and video stream */
4569 for (i = 0; i < s->nb_streams; i++) {
4570 AVStream *st = s->streams[i];
4571 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
4572 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
4573 if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0)
4580 if (mov->nb_meta_tmcd) {
4581 /* Initialize the tmcd tracks */
4582 for (i = 0; i < s->nb_streams; i++) {
4583 AVStream *st = s->streams[i];
4586 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
4588 t = av_dict_get(st->metadata, "timecode", NULL, 0);
4591 if ((ret = mov_create_timecode_track(s, tmcd_track, i, t->value)) < 0)
4600 if (mov->flags & FF_MOV_FLAG_ISML)
4601 mov_write_isml_manifest(pb, mov);
4603 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
4604 mov_write_moov_tag(pb, mov, s);
4614 static int get_moov_size(AVFormatContext *s)
4617 AVIOContext *moov_buf;
4618 MOVMuxContext *mov = s->priv_data;
4620 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
4622 mov_write_moov_tag(moov_buf, mov, s);
4623 return ffio_close_null_buf(moov_buf);
4627 * This function gets the moov size if moved to the top of the file: the chunk
4628 * offset table can switch between stco (32-bit entries) to co64 (64-bit
4629 * entries) when the moov is moved to the beginning, so the size of the moov
4630 * would change. It also updates the chunk offset tables.
4632 static int compute_moov_size(AVFormatContext *s)
4634 int i, moov_size, moov_size2;
4635 MOVMuxContext *mov = s->priv_data;
4637 moov_size = get_moov_size(s);
4641 for (i = 0; i < mov->nb_streams; i++)
4642 mov->tracks[i].data_offset += moov_size;
4644 moov_size2 = get_moov_size(s);
4648 /* if the size changed, we just switched from stco to co64 and need to
4649 * update the offsets */
4650 if (moov_size2 != moov_size)
4651 for (i = 0; i < mov->nb_streams; i++)
4652 mov->tracks[i].data_offset += moov_size2 - moov_size;
4657 static int shift_data(AVFormatContext *s)
4659 int ret = 0, moov_size;
4660 MOVMuxContext *mov = s->priv_data;
4661 int64_t pos, pos_end = avio_tell(s->pb);
4662 uint8_t *buf, *read_buf[2];
4663 int read_buf_id = 0;
4665 AVIOContext *read_pb;
4667 moov_size = compute_moov_size(s);
4671 buf = av_malloc(moov_size * 2);
4673 return AVERROR(ENOMEM);
4675 read_buf[1] = buf + moov_size;
4677 /* Shift the data: the AVIO context of the output can only be used for
4678 * writing, so we re-open the same output, but for reading. It also avoids
4679 * a read/seek/write/seek back and forth. */
4681 ret = avio_open(&read_pb, s->filename, AVIO_FLAG_READ);
4683 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
4684 "the second pass (faststart)\n", s->filename);
4688 /* mark the end of the shift to up to the last data we wrote, and get ready
4690 pos_end = avio_tell(s->pb);
4691 avio_seek(s->pb, mov->reserved_moov_pos + moov_size, SEEK_SET);
4693 /* start reading at where the new moov will be placed */
4694 avio_seek(read_pb, mov->reserved_moov_pos, SEEK_SET);
4695 pos = avio_tell(read_pb);
4697 #define READ_BLOCK do { \
4698 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
4702 /* shift data by chunk of at most moov_size */
4707 n = read_size[read_buf_id];
4710 avio_write(s->pb, read_buf[read_buf_id], n);
4712 } while (pos < pos_end);
4713 avio_close(read_pb);
4720 static int mov_write_trailer(AVFormatContext *s)
4722 MOVMuxContext *mov = s->priv_data;
4723 AVIOContext *pb = s->pb;
4729 * Before actually writing the trailer, make sure that there are no
4730 * dangling subtitles, that need a terminating sample.
4732 for (i = 0; i < mov->nb_streams; i++) {
4733 MOVTrack *trk = &mov->tracks[i];
4734 if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
4735 !trk->last_sample_is_subtitle_end) {
4736 mov_write_subtitle_end_packet(s, i, trk->track_duration);
4737 trk->last_sample_is_subtitle_end = 1;
4741 // If there were no chapters when the header was written, but there
4742 // are chapters now, write them in the trailer. This only works
4743 // when we are not doing fragments.
4744 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
4745 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
4746 mov->chapter_track = mov->nb_streams++;
4747 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
4752 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
4753 moov_pos = avio_tell(pb);
4755 /* Write size of mdat tag */
4756 if (mov->mdat_size + 8 <= UINT32_MAX) {
4757 avio_seek(pb, mov->mdat_pos, SEEK_SET);
4758 avio_wb32(pb, mov->mdat_size + 8);
4760 /* overwrite 'wide' placeholder atom */
4761 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
4762 /* special value: real atom size will be 64 bit value after
4765 ffio_wfourcc(pb, "mdat");
4766 avio_wb64(pb, mov->mdat_size + 16);
4768 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_moov_pos : moov_pos, SEEK_SET);
4770 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
4771 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
4772 res = shift_data(s);
4774 avio_seek(s->pb, mov->reserved_moov_pos, SEEK_SET);
4775 mov_write_moov_tag(pb, mov, s);
4777 } else if (mov->reserved_moov_size > 0) {
4779 mov_write_moov_tag(pb, mov, s);
4780 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos);
4782 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
4785 avio_wb32(pb, size);
4786 ffio_wfourcc(pb, "free");
4787 ffio_fill(pb, 0, size - 8);
4788 avio_seek(pb, moov_pos, SEEK_SET);
4790 mov_write_moov_tag(pb, mov, s);
4793 mov_flush_fragment(s);
4794 mov_write_mfra_tag(pb, mov);
4797 for (i = 0; i < mov->nb_streams; i++) {
4798 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
4799 mov->tracks[i].vc1_info.struct_offset && s->pb->seekable) {
4800 int64_t off = avio_tell(pb);
4802 if (mov_write_dvc1_structs(&mov->tracks[i], buf) >= 0) {
4803 avio_seek(pb, mov->tracks[i].vc1_info.struct_offset, SEEK_SET);
4804 avio_write(pb, buf, 7);
4805 avio_seek(pb, off, SEEK_SET);
4816 #if CONFIG_MOV_MUXER
4818 AVOutputFormat ff_mov_muxer = {
4820 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
4821 .extensions = "mov",
4822 .priv_data_size = sizeof(MOVMuxContext),
4823 .audio_codec = AV_CODEC_ID_AAC,
4824 .video_codec = CONFIG_LIBX264_ENCODER ?
4825 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4826 .write_header = mov_write_header,
4827 .write_packet = mov_write_packet,
4828 .write_trailer = mov_write_trailer,
4829 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4830 .codec_tag = (const AVCodecTag* const []){
4831 ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0
4833 .priv_class = &mov_muxer_class,
4836 #if CONFIG_TGP_MUXER
4838 AVOutputFormat ff_tgp_muxer = {
4840 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
4841 .extensions = "3gp",
4842 .priv_data_size = sizeof(MOVMuxContext),
4843 .audio_codec = AV_CODEC_ID_AMR_NB,
4844 .video_codec = AV_CODEC_ID_H263,
4845 .write_header = mov_write_header,
4846 .write_packet = mov_write_packet,
4847 .write_trailer = mov_write_trailer,
4848 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4849 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
4850 .priv_class = &tgp_muxer_class,
4853 #if CONFIG_MP4_MUXER
4855 AVOutputFormat ff_mp4_muxer = {
4857 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
4858 .mime_type = "application/mp4",
4859 .extensions = "mp4",
4860 .priv_data_size = sizeof(MOVMuxContext),
4861 .audio_codec = AV_CODEC_ID_AAC,
4862 .video_codec = CONFIG_LIBX264_ENCODER ?
4863 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4864 .write_header = mov_write_header,
4865 .write_packet = mov_write_packet,
4866 .write_trailer = mov_write_trailer,
4867 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4868 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4869 .priv_class = &mp4_muxer_class,
4872 #if CONFIG_PSP_MUXER
4874 AVOutputFormat ff_psp_muxer = {
4876 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
4877 .extensions = "mp4,psp",
4878 .priv_data_size = sizeof(MOVMuxContext),
4879 .audio_codec = AV_CODEC_ID_AAC,
4880 .video_codec = CONFIG_LIBX264_ENCODER ?
4881 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4882 .write_header = mov_write_header,
4883 .write_packet = mov_write_packet,
4884 .write_trailer = mov_write_trailer,
4885 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4886 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4887 .priv_class = &psp_muxer_class,
4890 #if CONFIG_TG2_MUXER
4892 AVOutputFormat ff_tg2_muxer = {
4894 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
4895 .extensions = "3g2",
4896 .priv_data_size = sizeof(MOVMuxContext),
4897 .audio_codec = AV_CODEC_ID_AMR_NB,
4898 .video_codec = AV_CODEC_ID_H263,
4899 .write_header = mov_write_header,
4900 .write_packet = mov_write_packet,
4901 .write_trailer = mov_write_trailer,
4902 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4903 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
4904 .priv_class = &tg2_muxer_class,
4907 #if CONFIG_IPOD_MUXER
4909 AVOutputFormat ff_ipod_muxer = {
4911 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
4912 .mime_type = "application/mp4",
4913 .extensions = "m4v,m4a",
4914 .priv_data_size = sizeof(MOVMuxContext),
4915 .audio_codec = AV_CODEC_ID_AAC,
4916 .video_codec = AV_CODEC_ID_H264,
4917 .write_header = mov_write_header,
4918 .write_packet = mov_write_packet,
4919 .write_trailer = mov_write_trailer,
4920 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4921 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
4922 .priv_class = &ipod_muxer_class,
4925 #if CONFIG_ISMV_MUXER
4927 AVOutputFormat ff_ismv_muxer = {
4929 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
4930 .mime_type = "application/mp4",
4931 .extensions = "ismv,isma",
4932 .priv_data_size = sizeof(MOVMuxContext),
4933 .audio_codec = AV_CODEC_ID_AAC,
4934 .video_codec = AV_CODEC_ID_H264,
4935 .write_header = mov_write_header,
4936 .write_packet = mov_write_packet,
4937 .write_trailer = mov_write_trailer,
4938 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4939 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4940 .priv_class = &ismv_muxer_class,
4943 #if CONFIG_F4V_MUXER
4945 AVOutputFormat ff_f4v_muxer = {
4947 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
4948 .mime_type = "application/f4v",
4949 .extensions = "f4v",
4950 .priv_data_size = sizeof(MOVMuxContext),
4951 .audio_codec = AV_CODEC_ID_AAC,
4952 .video_codec = AV_CODEC_ID_H264,
4953 .write_header = mov_write_header,
4954 .write_packet = mov_write_packet,
4955 .write_trailer = mov_write_trailer,
4956 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
4957 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
4958 .priv_class = &f4v_muxer_class,