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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 | ||
30 | static const AVFilterPad avfilter_af_anull_inputs[] = { | |
31 | { | |
32 | .name = "default", | |
33 | .type = AVMEDIA_TYPE_AUDIO, | |
34 | }, | |
35 | { NULL } | |
36 | }; | |
37 | ||
38 | static const AVFilterPad avfilter_af_anull_outputs[] = { | |
39 | { | |
40 | .name = "default", | |
41 | .type = AVMEDIA_TYPE_AUDIO, | |
42 | }, | |
43 | { NULL } | |
44 | }; | |
45 | ||
46 | AVFilter ff_af_anull = { | |
47 | .name = "anull", | |
48 | .description = NULL_IF_CONFIG_SMALL("Pass the source unchanged to the output."), | |
49 | .query_formats = ff_query_formats_all, | |
50 | .inputs = avfilter_af_anull_inputs, | |
51 | .outputs = avfilter_af_anull_outputs, | |
52 | }; |