FFmpeg
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jacosubenc.c
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1/*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19#include "avformat.h"
20#include "mux.h"
21#include "rawenc.h"
22
24{
25 const AVCodecParameters *par = s->streams[0]->codecpar;
26
27 if (par->extradata_size) {
28 avio_write(s->pb, par->extradata, par->extradata_size);
29 }
30 return 0;
31}
32
34 .p.name = "jacosub",
35 .p.long_name = NULL_IF_CONFIG_SMALL("JACOsub subtitle format"),
36 .p.mime_type = "text/x-jacosub",
37 .p.extensions = "jss,js",
38 .p.flags = AVFMT_TS_NONSTRICT,
39 .p.video_codec = AV_CODEC_ID_NONE,
40 .p.audio_codec = AV_CODEC_ID_NONE,
41 .p.subtitle_codec = AV_CODEC_ID_JACOSUB,
42 .flags_internal = FF_OFMT_FLAG_MAX_ONE_OF_EACH |
44 .write_header = jacosub_write_header,
45 .write_packet = ff_raw_write_packet,
46};
const FFOutputFormat ff_jacosub_muxer
Definition jacosubenc.c:33
Main libavformat public API header.
#define AVFMT_TS_NONSTRICT
Format does not require strictly increasing timestamps, but they must still be monotonic.
Definition avformat.h:507
void avio_write(AVIOContext *s, const unsigned char *buf, int size)
Definition aviobuf.c:206
#define s(width, name)
Definition cbs_vp9.c:198
@ AV_CODEC_ID_JACOSUB
Definition codec_id.h:577
@ AV_CODEC_ID_NONE
Definition codec_id.h:48
static int jacosub_write_header(AVFormatContext *s)
Definition jacosubenc.c:23
int ff_raw_write_packet(AVFormatContext *s, AVPacket *pkt)
Definition rawenc.c:31
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition internal.h:88
#define FF_OFMT_FLAG_MAX_ONE_OF_EACH
If this flag is set, it indicates that for each codec type whose corresponding default codec (i....
Definition mux.h:50
#define FF_OFMT_FLAG_ONLY_DEFAULT_CODECS
If this flag is set, then the only permitted audio/video/subtitle codec ids are AVOutputFormat....
Definition mux.h:59
This struct describes the properties of an encoded stream.
Definition codec_par.h:49
int extradata_size
Size of the extradata content in bytes.
Definition codec_par.h:75
uint8_t * extradata
Extra binary data needed for initializing the decoder, codec-dependent.
Definition codec_par.h:71
Format I/O context.
Definition avformat.h:1333