AUD_SquareFactory.h

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/*
 * ***** 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 *****
 */

#ifndef AUD_SQUAREFACTORY
#define AUD_SQUAREFACTORY

#include "AUD_EffectFactory.h"
class AUD_CallbackIIRFilterReader;

class AUD_SquareFactory : public AUD_EffectFactory
{
private:
    const float m_threshold;

    // hide copy constructor and operator=
    AUD_SquareFactory(const AUD_SquareFactory&);
    AUD_SquareFactory& operator=(const AUD_SquareFactory&);

public:
    AUD_SquareFactory(AUD_Reference<AUD_IFactory> factory, float threshold = 0.0f);

    float getThreshold() const;

    virtual AUD_Reference<AUD_IReader> createReader();

    static sample_t squareFilter(AUD_CallbackIIRFilterReader* reader, float* threshold);
    static void endSquareFilter(float* threshold);
};

#endif //AUD_SQUAREFACTORY