AUD_CallbackIIRFilterReader.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_CALLBACKIIRFILTERREADER
#define AUD_CALLBACKIIRFILTERREADER

#include "AUD_BaseIIRFilterReader.h"
#include "AUD_Buffer.h"

class AUD_CallbackIIRFilterReader;

typedef sample_t (*doFilterIIR)(AUD_CallbackIIRFilterReader*, void*);
typedef void (*endFilterIIR)(void*);

class AUD_CallbackIIRFilterReader : public AUD_BaseIIRFilterReader
{
private:
    const doFilterIIR m_filter;

    const endFilterIIR m_endFilter;

    void* m_data;

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

public:
    AUD_CallbackIIRFilterReader(AUD_Reference<AUD_IReader> reader, int in, int out,
                                doFilterIIR doFilter,
                                endFilterIIR endFilter = 0,
                                void* data = 0);

    virtual ~AUD_CallbackIIRFilterReader();

    virtual sample_t filter();
};

#endif //AUD_CALLBACKIIRFILTERREADER