code: private static VideoDevice getVideoDevice(File file) {
  
  		LOG.debug("Creating V4L4J device from file {}", file);
  
  		try {
  			return new VideoDevice(file.getAbsolutePath());
  		} catch (V4L4JException e) {
  			throw new WebcamException("Cannot instantiate V4L4J device from " + file, e);
  		}
  	}
docs: Create video device from file.
  
  @param file the video descriptor file
  @return The {@link VideoDevice}