Exemplo n.º 1
0
void SpectralTestApp::setup()
{
	mSpectroMargin = 40.0f;

	auto ctx = audio::master();

	auto format = audio::MonitorSpectralNode::Format().fftSize( FFT_SIZE ).windowSize( WINDOW_SIZE ).windowType( WINDOW_TYPE );
	mMonitorSpectralNode = ctx->makeNode( new audio::MonitorSpectralNode( format ) );
	mMonitorSpectralNode->setAutoEnabled();

	//mGen = ctx->makeNode( new audio::GenSineNode() );
	mGen = ctx->makeNode( new audio::GenTriangleNode() );
	mGen->setFreq( 440.0f );

	mSourceFile = audio::load( loadResource( RES_TONE440L220R_MP3 ), ctx->getSampleRate() );

	auto audioBuffer = mSourceFile->loadBuffer();
	CI_LOG_V( "loaded source buffer, frames: " << audioBuffer->getNumFrames() );

	mPlayerNode = ctx->makeNode( new audio::BufferPlayerNode( audioBuffer ) );

	setupSine();

	setupUI();

	ctx->enable();
	mEnableGraphButton.setEnabled( true );

	mScaleDecibelsButton.setEnabled( mSpectrumPlot.getScaleDecibels() );

	PRINT_GRAPH( ctx );

	CI_LOG_V( "MonitorSpectralNode fftSize: " << mMonitorSpectralNode->getFftSize() << ", windowSize: " << mMonitorSpectralNode->getWindowSize() );
}
Exemplo n.º 2
0
void ParamTestApp::setup()
{
	auto ctx = audio::master();
	mGain = ctx->makeNode( new audio::GainNode() );
	mGain->setValue( 0.8f );

	mPan = ctx->makeNode( new audio::Pan2dNode() );

	mGen = ctx->makeNode( new audio::GenSineNode() );
//	mGen = ctx->makeNode( new audio::GenTriangleNode() );
//	mGen = ctx->makeNode( new audio::GenPhasorNode() );
	mGen = ctx->makeNode( new audio::GenPulseNode );

	mGen->setFreq( 220 );

	mLowPass = ctx->makeNode( new audio::FilterLowPassNode() );

	setupBasic();

	setupUI();

	PRINT_GRAPH( ctx );

	testApply();
//	testApply2();
//	connectProcessor();
}
Exemplo n.º 3
0
void DeviceTestApp::setupSine()
{
    mGen = audio::master()->makeNode( new audio::GenSineNode() );
    mGen->setFreq( 440 );

    mGen->connect( mGain );
    mGen->enable();
}
Exemplo n.º 4
0
void WebAudioApp::setup()
{

  Context::setMaster( new ContextWebAudio, new DeviceManagerWebAudio );

  auto ctx = audio::master();
  mGen = ctx->makeNode( new audio::GenSineNode );
  mGain = ctx->makeNode( new audio::GainNode );

  mGen->setFreq( 220 );
  mGain->setValue( 0.5f );

  // connections can be made this way or with connect(). The master Context's getOutput() is the speakers by default.
  mGen >> mGain >> ctx->getOutput();
  mGen->enable();
  ctx->enable();
}
Exemplo n.º 5
0
void NodeBasic::setup()
{
	// You use the audio::Context to make new audio::Node instances (audio::master() is the speaker-facing Context).
	auto ctx = audio::master();
	mGen = ctx->makeNode( new audio::GenSineNode );
	mGain = ctx->makeNode( new audio::GainNode );

	mGen->setFreq( 220 );
	mGain->setValue( 0.5f );

	// connections can be made this way or with connect(). The master Context's getOutput() is the speakers by default.
	mGen >> mGain >> ctx->getOutput();

	// Node's need to be enabled to process audio. EffectNode's are enabled by default, while NodeSource's (like Gen) need to be switched on.
	mGen->enable();

	// Context also must be started. Starting and stopping this controls the entire DSP graph.
	ctx->enable();
}
Exemplo n.º 6
0
void NodeBasic::mouseDrag( MouseEvent event )
{
	mGen->setFreq( event.getPos().x );
	mGain->setValue( 1.0f - (float)event.getPos().y / (float)getWindowHeight() );
}