code: public String getStartTimecode()
  	{
  		final Element element = getElement("Time_code_of_first_frame", 0);
  
  		if (element != null)
  		{
  			return element.getText();
  		}
  		else
  		{
  			return null;
  		}
  	}
docs: Gets the start timecode of the video track in hh:mm:ss:ff