af_anull.c 1.52 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
 */

/**
 * @file
 * null audio filter
 */

#include "avfilter.h"

AVFilter avfilter_af_anull = {
    .name      = "anull",
    .description = NULL_IF_CONFIG_SMALL("Pass the source unchanged to the output."),

    .priv_size = 0,

    .inputs    = (AVFilterPad[]) {{ .name             = "default",
                                    .type             = AVMEDIA_TYPE_AUDIO,
                                    .get_audio_buffer = avfilter_null_get_audio_buffer,
                                    .filter_samples   = avfilter_null_filter_samples },
                                  { .name = NULL}},

    .outputs   = (AVFilterPad[]) {{ .name             = "default",
                                    .type             = AVMEDIA_TYPE_AUDIO, },
                                  { .name = NULL}},
};