blender/intern/audaspace/FX/AUD_LoopReader.h

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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_LOOPREADER
#define AUD_LOOPREADER
#include "AUD_EffectReader.h"
#include "AUD_Buffer.h"
/**
* This class reads another reader and loops it.
* \note The other reader must be seekable.
*/
class AUD_LoopReader : public AUD_EffectReader
{
private:
/**
* The playback buffer.
*/
AUD_Buffer m_buffer;
/**
* The loop count.
*/
const int m_count;
/**
* The left loop count.
*/
int m_left;
// hide copy constructor and operator=
AUD_LoopReader(const AUD_LoopReader&);
AUD_LoopReader& operator=(const AUD_LoopReader&);
public:
/**
* Creates a new loop reader.
* \param reader The reader to read from.
* \param loop The desired loop count, negative values result in endless
* looping.
*/
AUD_LoopReader(AUD_IReader* reader, int loop);
virtual void seek(int position);
virtual int getLength() const;
virtual int getPosition() const;
virtual void read(int & length, sample_t* & buffer);
};
#endif //AUD_LOOPREADER