code: public long getDurationInFrames(boolean allowDropFrameRemoval)
  	{
  		final long totalFrames = getFrameNumber(hours + (days * 24),
  		                                        minutes,
  		                                        seconds,
  		                                        frames,
  		                                        dropFrame && allowDropFrameRemoval,
  		                                        timebase.getSamplesPerSecond());
  
  		// Flip the sign if negative
  		if (negative)
  			return totalFrames * -1;
  		else
  			return totalFrames;
  	}
docs: Returns the duration of the timecode (from 00:00:00:00) in frames
  
  @return