h264_metadata: Add option to delete filler data
[libav.git] / libavfilter / asink_anullsink.c
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f0a55438 1/*
2912e87a 2 * This file is part of Libav.
f0a55438 3 *
2912e87a 4 * Libav is free software; you can redistribute it and/or
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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 *
2912e87a 9 * Libav is distributed in the hope that it will be useful,
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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
2912e87a 15 * License along with Libav; if not, write to the Free Software
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16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
1d9c2dc8 19#include "libavutil/internal.h"
f0a55438 20#include "avfilter.h"
9d0bfc50 21#include "internal.h"
f0a55438 22
7e350379 23static int null_filter_frame(AVFilterLink *link, AVFrame *frame)
cd991462 24{
7e350379 25 av_frame_free(&frame);
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26 return 0;
27}
f0a55438 28
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29static const AVFilterPad avfilter_asink_anullsink_inputs[] = {
30 {
31 .name = "default",
32 .type = AVMEDIA_TYPE_AUDIO,
565e4993 33 .filter_frame = null_filter_frame,
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34 },
35 { NULL },
36};
37
cd43ca04 38AVFilter ff_asink_anullsink = {
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39 .name = "anullsink",
40 .description = NULL_IF_CONFIG_SMALL("Do absolutely nothing with the input audio."),
41
42 .priv_size = 0,
43
568c70e7 44 .inputs = avfilter_asink_anullsink_inputs,
1fce361d 45 .outputs = NULL,
f0a55438 46};