code: private boolean isReady() {
  
  		assert disposed != null;
  		assert open != null;
  
  		if (disposed.get()) {
  			LOG.warn("Cannot get image, webcam has been already disposed");
  			return false;
  		}
  
  		if (!open.get()) {
  			if (autoOpen) {
  				open();
  			} else {
  				return false;
  			}
  		}
  
  		return true;
  	}
docs: Is webcam ready to be read.
  
  @return True if ready, false otherwise