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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 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 Lesser General Public License as published by
* the Free Software Foundation, either version 3 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_LINEARRESAMPLEREADER
#define AUD_LINEARRESAMPLEREADER
#include "AUD_EffectReader.h"
class AUD_Buffer;
/**
* This resampling reader uses libsamplerate for resampling.
*/
class AUD_LinearResampleReader : public AUD_EffectReader
{
private:
/**
* The resampling factor.
*/
float m_factor;
/**
* The current position.
*/
int m_position;
/**
* The current reading source position.
*/
int m_sposition;
/**
* The sound output buffer.
*/
AUD_Buffer *m_buffer;
/**
* The input caching buffer.
*/
AUD_Buffer *m_cache;
/**
* The target specification.
*/
AUD_Specs m_tspecs;
/**
* The sample specification of the source.
*/
AUD_Specs m_sspecs;
public:
/**
* Creates a resampling reader.
* \param reader The reader to mix.
* \param specs The target specification.
* \exception AUD_Exception Thrown if the reader is NULL.
*/
AUD_LinearResampleReader(AUD_IReader* reader, AUD_Specs specs);
/**
* Destroys the reader.
*/
~AUD_LinearResampleReader();
virtual void seek(int position);
virtual int getLength();
virtual int getPosition();
virtual AUD_Specs getSpecs();
virtual void read(int & length, sample_t* & buffer);
};
#endif //AUD_LINEARRESAMPLEREADER
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