AUD_IIRFilterReader.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_IIRFILTERREADER
#define AUD_IIRFILTERREADER

#include "AUD_BaseIIRFilterReader.h"

#include <vector>

class AUD_IIRFilterReader : public AUD_BaseIIRFilterReader
{
private:
    std::vector<float> m_a;

    std::vector<float> m_b;

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

public:
    AUD_IIRFilterReader(AUD_Reference<AUD_IReader> reader, const std::vector<float>& b,
                        const std::vector<float>& a);

    virtual sample_t filter();

    void setCoefficients(const std::vector<float>& b,
                         const std::vector<float>& a);
};

#endif //AUD_IIRFILTERREADER