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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 *****
*/
/** \file audaspace/intern/AUD_BufferReader.h
* \ingroup audaspaceintern
*/
#ifndef __AUD_BUFFERREADER_H__
#define __AUD_BUFFERREADER_H__
#include "AUD_IReader.h"
class AUD_Buffer;
#include <boost/shared_ptr.hpp>
/**
* This class represents a simple reader from a buffer that exists in memory.
* \warning Notice that the buffer used for creating the reader must exist as
* long as the reader exists.
*/
class AUD_BufferReader : public AUD_IReader
{
private:
/**
* The current position in the buffer.
*/
int m_position;
/**
* The buffer that is read.
*/
boost::shared_ptr<AUD_Buffer> m_buffer;
/**
* The specification of the sample data in the buffer.
*/
AUD_Specs m_specs;
// hide copy constructor and operator=
AUD_BufferReader(const AUD_BufferReader&);
AUD_BufferReader& operator=(const AUD_BufferReader&);
public:
/**
* Creates a new buffer reader.
* \param buffer The buffer to read from.
* \param specs The specification of the sample data in the buffer.
*/
AUD_BufferReader(boost::shared_ptr<AUD_Buffer> buffer, AUD_Specs specs);
virtual bool isSeekable() const;
virtual void seek(int position);
virtual int getLength() const;
virtual int getPosition() const;
virtual AUD_Specs getSpecs() const;
virtual void read(int& length, bool& eos, sample_t* buffer);
};
#endif //__AUD_BUFFERREADER_H__
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