mirror of
https://github.com/juce-framework/JUCE.git
synced 2026-01-10 23:44:24 +00:00
75 lines
2.5 KiB
C++
75 lines
2.5 KiB
C++
/*
|
|
==============================================================================
|
|
|
|
This file is part of the JUCE library.
|
|
Copyright (c) 2013 - Raw Material Software Ltd.
|
|
|
|
Permission is granted to use this software under the terms of either:
|
|
a) the GPL v2 (or any later version)
|
|
b) the Affero GPL v3
|
|
|
|
Details of these licenses can be found at: www.gnu.org/licenses
|
|
|
|
JUCE 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.
|
|
|
|
------------------------------------------------------------------------------
|
|
|
|
To release a closed-source product which uses JUCE, commercial licenses are
|
|
available: visit www.juce.com for more information.
|
|
|
|
==============================================================================
|
|
*/
|
|
|
|
#ifndef __JUCE_TONEGENERATORAUDIOSOURCE_JUCEHEADER__
|
|
#define __JUCE_TONEGENERATORAUDIOSOURCE_JUCEHEADER__
|
|
|
|
#include "juce_AudioSource.h"
|
|
|
|
|
|
//==============================================================================
|
|
/**
|
|
A simple AudioSource that generates a sine wave.
|
|
|
|
*/
|
|
class JUCE_API ToneGeneratorAudioSource : public AudioSource
|
|
{
|
|
public:
|
|
//==============================================================================
|
|
/** Creates a ToneGeneratorAudioSource. */
|
|
ToneGeneratorAudioSource();
|
|
|
|
/** Destructor. */
|
|
~ToneGeneratorAudioSource();
|
|
|
|
//==============================================================================
|
|
/** Sets the signal's amplitude. */
|
|
void setAmplitude (float newAmplitude);
|
|
|
|
/** Sets the signal's frequency. */
|
|
void setFrequency (double newFrequencyHz);
|
|
|
|
|
|
//==============================================================================
|
|
/** Implementation of the AudioSource method. */
|
|
void prepareToPlay (int samplesPerBlockExpected, double sampleRate);
|
|
|
|
/** Implementation of the AudioSource method. */
|
|
void releaseResources();
|
|
|
|
/** Implementation of the AudioSource method. */
|
|
void getNextAudioBlock (const AudioSourceChannelInfo& bufferToFill);
|
|
|
|
|
|
private:
|
|
//==============================================================================
|
|
double frequency, sampleRate;
|
|
double currentPhase, phasePerSample;
|
|
float amplitude;
|
|
|
|
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ToneGeneratorAudioSource)
|
|
};
|
|
|
|
|
|
#endif // __JUCE_TONEGENERATORAUDIOSOURCE_JUCEHEADER__
|