72 lines
2.4 KiB
C++
72 lines
2.4 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2017 - ROLI Ltd.
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JUCE is an open source library subject to commercial or open-source
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licensing.
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The code included in this file is provided under the terms of the ISC license
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http://www.isc.org/downloads/software-support-policy/isc-license. Permission
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To use, copy, modify, and/or distribute this software for any purpose with or
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without fee is hereby granted provided that the above copyright notice and
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this permission notice appear in all copies.
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JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
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EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
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DISCLAIMED.
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==============================================================================
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*/
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namespace juce
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{
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//==============================================================================
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/**
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A simple AudioSource that generates a sine wave.
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@tags{Audio}
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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() override;
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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) override;
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/** Implementation of the AudioSource method. */
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void releaseResources() override;
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/** Implementation of the AudioSource method. */
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void getNextAudioBlock (const AudioSourceChannelInfo&) override;
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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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} // namespace juce
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