FFmpeg
af_anull.c
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2010 S.N. Hemanth Meenakshisundaram <smeenaks@ucsd.edu>
3  * This file is part of FFmpeg.
4  *
5  * FFmpeg is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2.1 of the License, or (at your option) any later version.
9  *
10  * FFmpeg is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with FFmpeg; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18  */
19 
20 /**
21  * @file
22  * null audio filter
23  */
24 
25 #include "audio.h"
26 #include "avfilter.h"
27 #include "internal.h"
28 #include "libavutil/internal.h"
29 
31  {
32  .name = "default",
33  .type = AVMEDIA_TYPE_AUDIO,
34  },
35  { NULL }
36 };
37 
39  {
40  .name = "default",
41  .type = AVMEDIA_TYPE_AUDIO,
42  },
43  { NULL }
44 };
45 
47  .name = "anull",
48  .description = NULL_IF_CONFIG_SMALL("Pass the source unchanged to the output."),
49  .inputs = avfilter_af_anull_inputs,
50  .outputs = avfilter_af_anull_outputs,
51 };
#define NULL
Definition: coverity.c:32
Main libavfilter public API header.
const char * name
Pad name.
Definition: internal.h:60
static const AVFilterPad avfilter_af_anull_outputs[]
Definition: af_anull.c:38
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:186
common internal API header
Filter definition.
Definition: avfilter.h:144
const char * name
Filter name.
Definition: avfilter.h:148
static const AVFilterPad avfilter_af_anull_inputs[]
Definition: af_anull.c:30
AVFilter ff_af_anull
Definition: af_anull.c:46
internal API functions