/** * Returns the start point of the file as a Timecode object if available, otherwise returns null. * * @access public * @author Oliver Lillie * @param boolean $read_from_cache * @return mixed Returns a Timecode object if the start point is found, otherwise returns null. */ public function readStart($read_from_cache = true) { return parent::getFileStart($this->_media_file_path, $read_from_cache); }