FFmpeg
rawdec.h
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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 
28 typedef struct FFRawVideoDemuxerContext {
29  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. */
35 
36 typedef struct FFRawDemuxerContext {
37  const AVClass *class; /**< Class for private options. */
40 
42 extern const AVClass ff_raw_demuxer_class;
43 
45 
47 
49 
51 
53 
54 #define FF_DEF_RAWVIDEO_DEMUXER2(shortname, longname, probe, ext, id, flag)\
55 const AVInputFormat ff_ ## shortname ## _demuxer = {\
56  .name = #shortname,\
57  .long_name = NULL_IF_CONFIG_SMALL(longname),\
58  .read_probe = probe,\
59  .read_header = ff_raw_video_read_header,\
60  .read_packet = ff_raw_read_partial_packet,\
61  .extensions = ext,\
62  .flags = flag,\
63  .raw_codec_id = id,\
64  .priv_data_size = sizeof(FFRawVideoDemuxerContext),\
65  .priv_class = &ff_rawvideo_demuxer_class,\
66 };
67 
68 #define FF_DEF_RAWVIDEO_DEMUXER(shortname, longname, probe, ext, id)\
69 FF_DEF_RAWVIDEO_DEMUXER2(shortname, longname, probe, ext, id, AVFMT_GENERIC_INDEX)
70 
71 #define FF_DEF_RAWSUB_DEMUXER(shortname, longname, probe, ext, id, flag)\
72 const AVInputFormat ff_ ## shortname ## _demuxer = {\
73  .name = #shortname,\
74  .long_name = NULL_IF_CONFIG_SMALL(longname),\
75  .read_probe = probe,\
76  .read_header = ff_raw_subtitle_read_header,\
77  .read_packet = ff_raw_read_partial_packet,\
78  .extensions = ext,\
79  .flags = flag,\
80  .raw_codec_id = id,\
81  .priv_data_size = sizeof(FFRawDemuxerContext),\
82  .priv_class = &ff_raw_demuxer_class,\
83 };
84 
85 #endif /* AVFORMAT_RAWDEC_H */
ff_raw_data_read_header
int ff_raw_data_read_header(AVFormatContext *s)
Definition: rawdec.c:105
FFRawDemuxerContext
Definition: rawdec.h:36
pkt
AVPacket * pkt
Definition: movenc.c:59
s
#define s(width, name)
Definition: cbs_vp9.c:257
ff_raw_demuxer_class
const AVClass ff_raw_demuxer_class
Definition: rawdec.c:140
FFRawDemuxerContext::raw_packet_size
int raw_packet_size
Definition: rawdec.h:38
AVFormatContext
Format I/O context.
Definition: avformat.h:1107
ff_raw_audio_read_header
int ff_raw_audio_read_header(AVFormatContext *s)
Definition: rawdec.c:55
AVClass
Describe the class of an AVClass context structure.
Definition: log.h:66
AVRational
Rational number (pair of numerator and denominator).
Definition: rational.h:58
ff_raw_read_partial_packet
int ff_raw_read_partial_packet(AVFormatContext *s, AVPacket *pkt)
Definition: rawdec.c:34
FFRawVideoDemuxerContext::raw_packet_size
int raw_packet_size
Definition: rawdec.h:30
FFRawVideoDemuxerContext
Definition: rawdec.h:28
FFRawVideoDemuxerContext::video_size
char * video_size
String describing video size, set by a private option.
Definition: rawdec.h:31
log.h
avformat.h
FFRawVideoDemuxerContext::pixel_format
char * pixel_format
Set by a private option.
Definition: rawdec.h:32
AVPacket
This structure stores compressed data.
Definition: packet.h:350
ff_raw_subtitle_read_header
int ff_raw_subtitle_read_header(AVFormatContext *s)
Definition: rawdec.c:94
FFRawVideoDemuxerContext::framerate
AVRational framerate
AVRational describing framerate, set by a private option.
Definition: rawdec.h:33
ff_rawvideo_demuxer_class
const AVClass ff_rawvideo_demuxer_class
Definition: rawdec.c:127
ff_raw_video_read_header
int ff_raw_video_read_header(AVFormatContext *s)
Definition: rawdec.c:70