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76 lines
2.7 KiB
C++
76 lines
2.7 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library - "Jules' Utility Class Extensions"
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Copyright 2004-11 by Raw Material Software Ltd.
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------------------------------------------------------------------------------
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JUCE can be redistributed and/or modified under the terms of the GNU General
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Public License (Version 2), as published by the Free Software Foundation.
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A copy of the license is included in the JUCE distribution, or can be found
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online at www.gnu.org/licenses.
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JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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------------------------------------------------------------------------------
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To release a closed-source product which uses JUCE, commercial licenses are
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available: visit www.rawmaterialsoftware.com/juce for more information.
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==============================================================================
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*/
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#ifndef __JUCE_TONEGENERATORAUDIOSOURCE_JUCEHEADER__
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#define __JUCE_TONEGENERATORAUDIOSOURCE_JUCEHEADER__
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#include "juce_AudioSource.h"
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//==============================================================================
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/**
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A simple AudioSource that generates a sine wave.
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*/
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class JUCE_API ToneGeneratorAudioSource : public AudioSource
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{
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public:
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//==============================================================================
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/** Creates a ToneGeneratorAudioSource. */
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ToneGeneratorAudioSource();
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/** Destructor. */
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~ToneGeneratorAudioSource();
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//==============================================================================
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/** Sets the signal's amplitude. */
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void setAmplitude (float newAmplitude);
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/** Sets the signal's frequency. */
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void setFrequency (double newFrequencyHz);
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//==============================================================================
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/** Implementation of the AudioSource method. */
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void prepareToPlay (int samplesPerBlockExpected, double sampleRate);
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/** Implementation of the AudioSource method. */
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void releaseResources();
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/** Implementation of the AudioSource method. */
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void getNextAudioBlock (const AudioSourceChannelInfo& bufferToFill);
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private:
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//==============================================================================
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double frequency, sampleRate;
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double currentPhase, phasePerSample;
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float amplitude;
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ToneGeneratorAudioSource);
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};
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#endif // __JUCE_TONEGENERATORAUDIOSOURCE_JUCEHEADER__
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