AUD_RectifyFactory.cpp

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/*
 * $Id: AUD_RectifyFactory.cpp 35141 2011-02-25 10:21:56Z jesterking $
 *
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * Copyright 2009-2011 Jörg Hermann Müller
 *
 * This file is part of AudaSpace.
 *
 * Audaspace 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.
 *
 * AudaSpace 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 Audaspace; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * ***** END GPL LICENSE BLOCK *****
 */

#include "AUD_RectifyFactory.h"
#include "AUD_CallbackIIRFilterReader.h"

#include <cmath>

sample_t rectifyFilter(AUD_CallbackIIRFilterReader* reader, void* useless)
{
        return fabs(reader->x(0));
}

AUD_RectifyFactory::AUD_RectifyFactory(AUD_IFactory* factory) :
                AUD_EffectFactory(factory)
{
}

AUD_IReader* AUD_RectifyFactory::createReader() const
{
        return new AUD_CallbackIIRFilterReader(getReader(), 1, 1, rectifyFilter);
}