asink_anullsink.c 1.39 KB
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/*
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 * This file is part of Libav.
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 *
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 * Libav is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
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 * Libav is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
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 * License along with Libav; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

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#include "libavutil/internal.h"
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#include "avfilter.h"
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#include "internal.h"
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static int null_filter_frame(AVFilterLink *link, AVFrame *frame)
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{
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    av_frame_free(&frame);
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    return 0;
}
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static const AVFilterPad avfilter_asink_anullsink_inputs[] = {
    {
        .name           = "default",
        .type           = AVMEDIA_TYPE_AUDIO,
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        .filter_frame   = null_filter_frame,
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    },
    { NULL },
};

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AVFilter ff_asink_anullsink = {
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    .name        = "anullsink",
    .description = NULL_IF_CONFIG_SMALL("Do absolutely nothing with the input audio."),

    .priv_size = 0,

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    .inputs    = avfilter_asink_anullsink_inputs,
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    .outputs   = NULL,
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};