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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 *****
*/
/** \file audaspace/FX/AUD_HighpassFactory.h
* \ingroup audfx
*/
#ifndef __AUD_HIGHPASSFACTORY_H__
#define __AUD_HIGHPASSFACTORY_H__
#include "AUD_DynamicIIRFilterFactory.h"
/**
* This factory creates a highpass filter reader.
*/
class AUD_HighpassFactory : public AUD_DynamicIIRFilterFactory
{
private:
/**
* The cutoff frequency.
*/
const float m_frequency;
/**
* The Q factor.
*/
const float m_Q;
// hide copy constructor and operator=
AUD_HighpassFactory(const AUD_HighpassFactory&);
AUD_HighpassFactory& operator=(const AUD_HighpassFactory&);
public:
/**
* Creates a new highpass factory.
* \param factory The input factory.
* \param frequency The cutoff frequency.
* \param Q The Q factor.
*/
AUD_HighpassFactory(boost::shared_ptr<AUD_IFactory> factory, float frequency, float Q = 1.0f);
virtual void recalculateCoefficients(AUD_SampleRate rate, std::vector<float> &b, std::vector<float> &a);
};
#endif //__AUD_HIGHPASSFACTORY_H__
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