code: @Override
  	public final Tuner getTuner() throws NoTunerException{
  		if(tuner==null)
  			throw new NoTunerException("This input does not have a tuner");
  
  		state.checkReleased();
  		return tuner;
  	}
docs: /* (non-Javadoc)
  @see au.edu.jcu.v4l4j.FrameGrabber#getTuner()