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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_LIMITERREADER
#define AUD_LIMITERREADER
#include "AUD_EffectReader.h"
/**
* This reader limits another reader in start and end sample.
*/
class AUD_LimiterReader : public AUD_EffectReader
{
private:
/**
* The start sample: inclusive.
*/
const int m_start;
/**
* The end sample: exlusive.
*/
const int m_end;
// hide copy constructor and operator=
AUD_LimiterReader(const AUD_LimiterReader&);
AUD_LimiterReader& operator=(const AUD_LimiterReader&);
public:
/**
* Creates a new limiter reader.
* \param reader The reader to read from.
* \param start The desired start sample (inclusive).
* \param end The desired end sample (exklusive), a negative value signals
* that it should play to the end.
*/
AUD_LimiterReader(AUD_IReader* reader, float start = 0, float end = -1);
virtual void seek(int position);
virtual int getLength() const;
virtual int getPosition() const;
virtual void read(int & length, sample_t* & buffer);
};
#endif //AUD_LIMITERREADER
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