Add pad filter.
[libav.git] / libavfilter / vsink_nullsink.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#include "avfilter.h"
20
21static void start_frame(AVFilterLink *link, AVFilterPicRef *picref)
22{
23}
24
25static void end_frame(AVFilterLink *link)
26{
27}
28
29AVFilter avfilter_vsink_nullsink = {
30 .name = "nullsink",
31 .description = "Do absolutely nothing with the input video.",
32
33 .priv_size = 0,
34
35 .inputs = (AVFilterPad[]) {
36 {
37 .name = "default",
72415b2a 38 .type = AVMEDIA_TYPE_VIDEO,
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39 .start_frame = start_frame,
40 .end_frame = end_frame,
41 },
42 { .name = NULL},
43 },
44 .outputs = (AVFilterPad[]) {{ .name = NULL }},
45};