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vf_null.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 /**
20  * @file
21  * null video filter
22  */
23 
24 #include "libavutil/internal.h"
25 #include "avfilter.h"
26 #include "internal.h"
27 #include "video.h"
28 
30  {
31  .name = "default",
32  .type = AVMEDIA_TYPE_VIDEO,
33  },
34  { NULL }
35 };
36 
38  {
39  .name = "default",
40  .type = AVMEDIA_TYPE_VIDEO,
41  },
42  { NULL }
43 };
44 
46  .name = "null",
47  .description = NULL_IF_CONFIG_SMALL("Pass the source unchanged to the output."),
48  .inputs = avfilter_vf_null_inputs,
49  .outputs = avfilter_vf_null_outputs,
50 };
#define NULL
Definition: coverity.c:32
Main libavfilter public API header.
const char * name
Pad name.
Definition: internal.h:60
A filter pad used for either input or output.
Definition: internal.h:54
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:176
static const AVFilterPad avfilter_vf_null_inputs[]
Definition: vf_null.c:29
common internal API header
static const AVFilterPad avfilter_vf_null_outputs[]
Definition: vf_null.c:37
Filter definition.
Definition: avfilter.h:144
const char * name
Filter name.
Definition: avfilter.h:148
AVFilter ff_vf_null
Definition: vf_null.c:45
internal API functions