vsink_nullsink.c 1.42 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
 */

#include "avfilter.h"
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#include "internal.h"
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static int start_frame(AVFilterLink *link, AVFilterBufferRef *picref)
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{
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    return 0;
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}

static void end_frame(AVFilterLink *link)
{
}

AVFilter avfilter_vsink_nullsink = {
    .name        = "nullsink",
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    .description = NULL_IF_CONFIG_SMALL("Do absolutely nothing with the input video."),
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    .priv_size = 0,

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    .inputs    = (const AVFilterPad[]) {
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        {
            .name            = "default",
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            .type            = AVMEDIA_TYPE_VIDEO,
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            .start_frame     = start_frame,
            .end_frame       = end_frame,
        },
        { .name = NULL},
    },
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    .outputs   = (const AVFilterPad[]) {{ .name = NULL }},
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};