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 "demux.h"
27 #include "libavutil/log.h"
28 
29 typedef struct FFRawVideoDemuxerContext {
30  const AVClass *class; /**< Class for private options. */
32  char *video_size; /**< String describing video size, set by a private option. */
33  char *pixel_format; /**< Set by a private option. */
34  AVRational framerate; /**< AVRational describing framerate, set by a private option. */
36 
37 typedef struct FFRawDemuxerContext {
38  const AVClass *class; /**< Class for private options. */
41 
43 extern const AVClass ff_raw_demuxer_class;
44 
46 
48 
50 
52 
53 #define FF_DEF_RAWVIDEO_DEMUXER2(shortname, longname, probe, ext, id, flag)\
54 const FFInputFormat ff_ ## shortname ## _demuxer = {\
55  .p.name = #shortname,\
56  .p.long_name = NULL_IF_CONFIG_SMALL(longname),\
57  .p.extensions = ext,\
58  .p.flags = flag | AVFMT_NOTIMESTAMPS,\
59  .p.priv_class = &ff_rawvideo_demuxer_class,\
60  .read_probe = probe,\
61  .read_header = ff_raw_video_read_header,\
62  .read_packet = ff_raw_read_partial_packet,\
63  .raw_codec_id = id,\
64  .priv_data_size = sizeof(FFRawVideoDemuxerContext),\
65 };
66 
67 #define FF_DEF_RAWVIDEO_DEMUXER(shortname, longname, probe, ext, id)\
68 FF_DEF_RAWVIDEO_DEMUXER2(shortname, longname, probe, ext, id, AVFMT_GENERIC_INDEX)
69 
70 #define FF_DEF_RAWSUB_DEMUXER(shortname, longname, probe, ext, id, flag)\
71 const FFInputFormat ff_ ## shortname ## _demuxer = {\
72  .p.name = #shortname,\
73  .p.long_name = NULL_IF_CONFIG_SMALL(longname),\
74  .p.extensions = ext,\
75  .p.flags = flag,\
76  .p.priv_class = &ff_raw_demuxer_class,\
77  .read_probe = probe,\
78  .read_header = ff_raw_subtitle_read_header,\
79  .read_packet = ff_raw_read_partial_packet,\
80  .raw_codec_id = id,\
81  .priv_data_size = sizeof(FFRawDemuxerContext),\
82 };
83 
84 #endif /* AVFORMAT_RAWDEC_H */
FFRawDemuxerContext
Definition: rawdec.h:37
pkt
AVPacket * pkt
Definition: movenc.c:59
s
#define s(width, name)
Definition: cbs_vp9.c:198
ff_raw_demuxer_class
const AVClass ff_raw_demuxer_class
Definition: rawdec.c:141
FFRawDemuxerContext::raw_packet_size
int raw_packet_size
Definition: rawdec.h:39
AVFormatContext
Format I/O context.
Definition: avformat.h:1255
ff_raw_audio_read_header
int ff_raw_audio_read_header(AVFormatContext *s)
Definition: rawdec.c:54
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:33
FFRawVideoDemuxerContext::raw_packet_size
int raw_packet_size
Definition: rawdec.h:31
FFRawVideoDemuxerContext
Definition: rawdec.h:29
FFRawVideoDemuxerContext::video_size
char * video_size
String describing video size, set by a private option.
Definition: rawdec.h:32
log.h
demux.h
avformat.h
FFRawVideoDemuxerContext::pixel_format
char * pixel_format
Set by a private option.
Definition: rawdec.h:33
AVPacket
This structure stores compressed data.
Definition: packet.h:499
ff_raw_subtitle_read_header
int ff_raw_subtitle_read_header(AVFormatContext *s)
Definition: rawdec.c:95
FFRawVideoDemuxerContext::framerate
AVRational framerate
AVRational describing framerate, set by a private option.
Definition: rawdec.h:34
ff_rawvideo_demuxer_class
const AVClass ff_rawvideo_demuxer_class
Definition: rawdec.c:128
ff_raw_video_read_header
int ff_raw_video_read_header(AVFormatContext *s)
Definition: rawdec.c:69