AUD_SRCResampleReader.h

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/*
 * $Id: AUD_SRCResampleReader.h 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 *****
 */

#ifndef AUD_SRCRESAMPLEREADER
#define AUD_SRCRESAMPLEREADER

#include "AUD_EffectReader.h"
#include "AUD_Buffer.h"

#include <samplerate.h>

class AUD_SRCResampleReader : public AUD_EffectReader
{
private:
        const AUD_Specs m_sspecs;

        const double m_factor;

        AUD_Buffer m_buffer;

        AUD_Specs m_tspecs;

        SRC_STATE* m_src;

        int m_position;

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

public:
        AUD_SRCResampleReader(AUD_IReader* reader, AUD_Specs specs);

        ~AUD_SRCResampleReader();

        long doCallback(float** data);

        virtual void seek(int position);
        virtual int getLength() const;
        virtual int getPosition() const;
        virtual AUD_Specs getSpecs() const;
        virtual void read(int & length, sample_t* & buffer);
};

#endif //AUD_SRCRESAMPLEREADER