Method setup

samples/_audio/VoiceBasicProcessing/src/VoiceBasicProcessingApp.cpp:31–58

};

void VoiceBasicProcessingApp::setup()
{
	mFreq = 0;
	mPhase = 0;

	mVoice = audio::Voice::create( [this] ( audio::Buffer *buffer, size_t sampleRate ) {

		float *channel0 = buffer->getChannel( 0 );

#if 1
		// generate a sine wave
		float phaseIncr = ( mFreq / (float)sampleRate ) * 2 * (float)M_PI;
		for( size_t i = 0; i < buffer->getNumFrames(); i++ )	{
			mPhase = fmodf( mPhase + phaseIncr, 2 * M_PI );
			channel0[i] = std::sin( mPhase );
		}
#else
		// generate a triangle wave
		float phaseIncr = ( mFreq / (float)sampleRate );
		for( size_t i = 0; i < buffer->getNumFrames(); i++ )	{
			mPhase = fmodf( mPhase + phaseIncr, 1 );
			channel0[i] = std::min( mPhase, 1 - mPhase );
		}
#endif
	} );

	mVoice->start();
}

void VoiceBasicProcessingApp::mouseDown( MouseEvent event )
{