/**
* 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);
}
