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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_SinusReader.h
* \ingroup audaspaceintern
*/
#ifndef AUD_SINUSREADER
#define AUD_SINUSREADER
#include "AUD_IReader.h"
#include "AUD_Buffer.h"
/**
* This class is used for sine tone playback.
* The sample rate can be specified, the signal is mono.
*/
class AUD_SinusReader : public AUD_IReader
{
private:
/**
* The frequency of the sine wave.
*/
const float m_frequency;
/**
* The current position in samples.
*/
int m_position;
/**
* The sample rate for the output.
*/
const AUD_SampleRate m_sampleRate;
// hide copy constructor and operator=
AUD_SinusReader(const AUD_SinusReader&);
AUD_SinusReader& operator=(const AUD_SinusReader&);
public:
/**
* Creates a new reader.
* \param frequency The frequency of the sine wave.
* \param sampleRate The output sample rate.
*/
AUD_SinusReader(float frequency, AUD_SampleRate sampleRate);
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_SINUSREADER
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