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74 lines
2.5 KiB
74 lines
2.5 KiB
11 years ago
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/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2013 - Raw Material Software Ltd.
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Permission is granted to use this software under the terms of either:
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a) the GPL v2 (or any later version)
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b) the Affero GPL v3
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Details of these licenses can be found 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.juce.com for more information.
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==============================================================================
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*/
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#ifndef JUCE_TONEGENERATORAUDIOSOURCE_H_INCLUDED
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#define JUCE_TONEGENERATORAUDIOSOURCE_H_INCLUDED
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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) 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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#endif // JUCE_TONEGENERATORAUDIOSOURCE_H_INCLUDED
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