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/*
* Copyright 2003-2019 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/** \file
*
* This filter plugin does nothing. That is not quite useful, except
* for testing the filter core, or as a template for new filter
* plugins.
*/
#include "NullFilterPlugin.hxx"
#include "filter/FilterPlugin.hxx"
#include "filter/NullFilter.hxx"
#include "filter/Prepared.hxx"
#include "util/Compiler.h"
class PreparedNullFilter final : public PreparedFilter {
public:
virtual std::unique_ptr<Filter> Open(AudioFormat &af) override {
return std::make_unique<NullFilter>(af);
}
};
static std::unique_ptr<PreparedFilter>
null_filter_init(gcc_unused const ConfigBlock &block)
{
return std::make_unique<PreparedNullFilter>();
}
const FilterPlugin null_filter_plugin = {
"null",
null_filter_init,
};
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