old_contents: import fast
  
  streamer = fast.CameraStreamer.New()
  
  renderer = fast.ImageRenderer.New()
  renderer.addInputConnection(streamer.getOutputPort())
  
  window = fast.SimpleWindow.New()
  window.addRenderer(renderer)
  window.set2DMode()
  window.start()
  
new_contents: """
  This example will stream images from your webcamera and run it through a simple edge detection filter (LaplacianOfGaussian)
  and display it in real-time.
  """
  import fast
  
  streamer = fast.CameraStreamer.New()
  
  filter = fast.LaplacianOfGaussian.New()
  filter.setInputConnection(streamer.getOutputPort())
  
  renderer = fast.ImageRenderer.New()
  renderer.addInputConnection(filter.getOutputPort())
  
  window = fast.SimpleWindow.New()
  window.addRenderer(renderer)
  window.set2DMode()
  window.start()
  
subject: improve webcamera example