FFmpeg
4.0
libavformat
rawdec.h
Go to the documentation of this file.
1
/*
2
* RAW demuxers
3
* Copyright (C) 2007 Aurelien Jacobs <aurel@gnuage.org>
4
*
5
* This file is part of FFmpeg.
6
*
7
* FFmpeg is free software; you can redistribute it and/or
8
* modify it under the terms of the GNU Lesser General Public
9
* License as published by the Free Software Foundation; either
10
* version 2.1 of the License, or (at your option) any later version.
11
*
12
* FFmpeg is distributed in the hope that it will be useful,
13
* but WITHOUT ANY WARRANTY; without even the implied warranty of
14
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15
* Lesser General Public License for more details.
16
*
17
* You should have received a copy of the GNU Lesser General Public
18
* License along with FFmpeg; if not, write to the Free Software
19
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20
*/
21
22
#ifndef AVFORMAT_RAWDEC_H
23
#define AVFORMAT_RAWDEC_H
24
25
#include "
avformat.h
"
26
#include "
libavutil/log.h
"
27
#include "
libavutil/opt.h
"
28
29
typedef
struct
FFRawVideoDemuxerContext
{
30
const
AVClass
*
class
;
/**< Class for private options. */
31
char
*
video_size
;
/**< String describing video size, set by a private option. */
32
char
*
pixel_format
;
/**< Set by a private option. */
33
AVRational
framerate
;
/**< AVRational describing framerate, set by a private option. */
34
}
FFRawVideoDemuxerContext
;
35
36
extern
const
AVOption
ff_rawvideo_options
[];
37
38
int
ff_raw_read_partial_packet
(
AVFormatContext
*
s
,
AVPacket
*
pkt
);
39
40
int
ff_raw_audio_read_header
(
AVFormatContext
*
s
);
41
42
int
ff_raw_video_read_header
(
AVFormatContext
*
s
);
43
44
int
ff_raw_data_read_header
(
AVFormatContext
*
s
);
45
46
#define FF_RAWVIDEO_DEMUXER_CLASS(name)\
47
static const AVClass name ## _demuxer_class = {\
48
.class_name = #name " demuxer",\
49
.item_name = av_default_item_name,\
50
.option = ff_rawvideo_options,\
51
.version = LIBAVUTIL_VERSION_INT,\
52
};
53
54
#define FF_DEF_RAWVIDEO_DEMUXER2(shortname, longname, probe, ext, id, flag)\
55
FF_RAWVIDEO_DEMUXER_CLASS(shortname)\
56
AVInputFormat ff_ ## shortname ## _demuxer = {\
57
.name = #shortname,\
58
.long_name = NULL_IF_CONFIG_SMALL(longname),\
59
.read_probe = probe,\
60
.read_header = ff_raw_video_read_header,\
61
.read_packet = ff_raw_read_partial_packet,\
62
.extensions = ext,\
63
.flags = flag,\
64
.raw_codec_id = id,\
65
.priv_data_size = sizeof(FFRawVideoDemuxerContext),\
66
.priv_class = &shortname ## _demuxer_class,\
67
};
68
69
#define FF_DEF_RAWVIDEO_DEMUXER(shortname, longname, probe, ext, id)\
70
FF_DEF_RAWVIDEO_DEMUXER2(shortname, longname, probe, ext, id, AVFMT_GENERIC_INDEX)
71
72
#define FF_RAWSUB_DEMUXER_CLASS(name)\
73
static const AVClass name ## _demuxer_class = {\
74
.class_name = #name " demuxer",\
75
.item_name = av_default_item_name,\
76
.option = NULL,\
77
.version = LIBAVUTIL_VERSION_INT,\
78
};
79
80
#define FF_DEF_RAWSUB_DEMUXER(shortname, longname, probe, ext, id, flag)\
81
FF_RAWVIDEO_DEMUXER_CLASS(shortname)\
82
AVInputFormat ff_ ## shortname ## _demuxer = {\
83
.name = #shortname,\
84
.long_name = NULL_IF_CONFIG_SMALL(longname),\
85
.read_probe = probe,\
86
.read_header = ff_raw_data_read_header,\
87
.read_packet = ff_raw_read_partial_packet,\
88
.extensions = ext,\
89
.flags = flag,\
90
.raw_codec_id = id,\
91
.priv_data_size = 0,\
92
.priv_class = &shortname ## _demuxer_class,\
93
};
94
95
#endif
/* AVFORMAT_RAWDEC_H */
s
const char * s
Definition:
avisynth_c.h:768
AVOption
AVOption.
Definition:
opt.h:246
FFRawVideoDemuxerContext::video_size
char * video_size
String describing video size, set by a private option.
Definition:
rawdec.h:31
pkt
static AVPacket pkt
Definition:
demuxing_decoding.c:54
AVFormatContext
Format I/O context.
Definition:
avformat.h:1342
ff_raw_video_read_header
int ff_raw_video_read_header(AVFormatContext *s)
Definition:
rawdec.c:70
opt.h
AVOptions.
ff_rawvideo_options
const AVOption ff_rawvideo_options[]
Definition:
rawdec.c:109
FFRawVideoDemuxerContext
Definition:
rawdec.h:29
FFRawVideoDemuxerContext::pixel_format
char * pixel_format
Set by a private option.
Definition:
rawdec.h:32
ff_raw_data_read_header
int ff_raw_data_read_header(AVFormatContext *s)
Definition:
rawdec.c:94
AVClass
Describe the class of an AVClass context structure.
Definition:
log.h:67
ff_raw_audio_read_header
int ff_raw_audio_read_header(AVFormatContext *s)
Definition:
rawdec.c:55
AVRational
Rational number (pair of numerator and denominator).
Definition:
rational.h:58
avformat.h
Main libavformat public API header.
ff_raw_read_partial_packet
int ff_raw_read_partial_packet(AVFormatContext *s, AVPacket *pkt)
Definition:
rawdec.c:35
FFRawVideoDemuxerContext::framerate
AVRational framerate
AVRational describing framerate, set by a private option.
Definition:
rawdec.h:33
log.h
AVPacket
This structure stores compressed data.
Definition:
avcodec.h:1407
Generated on Tue May 22 2018 07:06:57 for FFmpeg by
1.8.13