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asink_anullsink.c
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1 /*
2  * Copyright (c) 2010 S.N. Hemanth Meenakshisundaram <smeenaks@ucsd.edu>
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #include "libavutil/internal.h"
22 #include "avfilter.h"
23 #include "internal.h"
24 
26 {
27  av_frame_free(&frame);
28  return 0;
29 }
30 
32  {
33  .name = "default",
34  .type = AVMEDIA_TYPE_AUDIO,
35  .filter_frame = null_filter_frame,
36  },
37  { NULL },
38 };
39 
41  .name = "anullsink",
42  .description = NULL_IF_CONFIG_SMALL("Do absolutely nothing with the input audio."),
43 
44  .priv_size = 0,
45 
47  .outputs = NULL,
48 };
#define NULL
Definition: coverity.c:32
This structure describes decoded (raw) audio or video data.
Definition: frame.h:180
Main libavfilter public API header.
const char * name
Pad name.
Definition: internal.h:59
static AVFrame * frame
static int null_filter_frame(AVFilterLink *link, AVFrame *frame)
A filter pad used for either input or output.
Definition: internal.h:53
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:153
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:176
common internal API header
static const AVFilterPad avfilter_asink_anullsink_inputs[]
Filter definition.
Definition: avfilter.h:142
const char * name
Filter name.
Definition: avfilter.h:146
AVFilter ff_asink_anullsink
internal API functions