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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 | ||
25 | static int null_filter_frame(AVFilterLink *link, AVFrame *frame) | |
26 | { | |
27 | av_frame_free(&frame); | |
28 | return 0; | |
29 | } | |
30 | ||
31 | static const AVFilterPad avfilter_asink_anullsink_inputs[] = { | |
32 | { | |
33 | .name = "default", | |
34 | .type = AVMEDIA_TYPE_AUDIO, | |
35 | .filter_frame = null_filter_frame, | |
36 | }, | |
37 | { NULL }, | |
38 | }; | |
39 | ||
40 | AVFilter ff_asink_anullsink = { | |
41 | .name = "anullsink", | |
42 | .description = NULL_IF_CONFIG_SMALL("Do absolutely nothing with the input audio."), | |
43 | ||
44 | .priv_size = 0, | |
45 | ||
46 | .inputs = avfilter_asink_anullsink_inputs, | |
47 | .outputs = NULL, | |
48 | }; |