FFmpeg
libavfilter
vf_null.c
Go to the documentation of this file.
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
/**
20
* @file
21
* null video filter
22
*/
23
24
#include "
libavutil/internal.h
"
25
#include "
avfilter.h
"
26
#include "
filters.h
"
27
#include "
video.h
"
28
29
const
AVFilter
ff_vf_null
= {
30
.
name
=
"null"
,
31
.description =
NULL_IF_CONFIG_SMALL
(
"Pass the source unchanged to the output."
),
32
.flags =
AVFILTER_FLAG_METADATA_ONLY
,
33
FILTER_INPUTS
(
ff_video_default_filterpad
),
34
FILTER_OUTPUTS
(
ff_video_default_filterpad
),
35
};
FILTER_INPUTS
#define FILTER_INPUTS(array)
Definition:
filters.h:262
AVFilter::name
const char * name
Filter name.
Definition:
avfilter.h:205
video.h
ff_video_default_filterpad
const AVFilterPad ff_video_default_filterpad[1]
An AVFilterPad array whose only entry has name "default" and is of type AVMEDIA_TYPE_VIDEO.
Definition:
video.c:37
filters.h
FILTER_OUTPUTS
#define FILTER_OUTPUTS(array)
Definition:
filters.h:263
NULL_IF_CONFIG_SMALL
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition:
internal.h:94
ff_vf_null
const AVFilter ff_vf_null
Definition:
vf_null.c:29
internal.h
AVFilter
Filter definition.
Definition:
avfilter.h:201
avfilter.h
AVFILTER_FLAG_METADATA_ONLY
#define AVFILTER_FLAG_METADATA_ONLY
The filter is a "metadata" filter - it does not modify the frame data in any way.
Definition:
avfilter.h:168
Generated on Thu Nov 7 2024 19:22:28 for FFmpeg by
1.8.17