private void MainWindow_Shown(object sender, EventArgs e)
{
// Create the \psi pipeline
this.pipeline = Pipeline.Create();
// Create the webcam component
var webcam = new MediaCapture(this.pipeline, 640, 480, "/dev/video0", PixelFormatId.YUYV);
// Create the audio capture component
var audio = new AudioCapture(this.pipeline, new AudioCaptureConfiguration {
DeviceName = "plughw:0,0", Format = WaveFormat.Create16kHz1Channel16BitPcm()
});
// Create an acoustic features extractor component and pipe the audio to it
var acousticFeatures = new AcousticFeaturesExtractor(this.pipeline);
audio.PipeTo(acousticFeatures);
// Fuse the webcam images with the audio log energy level
var webcamWithAudioEnergy = webcam.Join(acousticFeatures.LogEnergy, RelativeTimeInterval.Past());
// Overlay the audio energy on the webcam image and display it in the window.
// The "Do" operator is executed on each fused webcam and audio energy sample.
webcamWithAudioEnergy.Do(
frame =>
{
// Update the window with the latest frame
this.DrawFrame(frame);
},
DeliveryPolicy.LatestMessage);
// Start the pipeline running
this.pipeline.RunAsync();
}