getLengthInSeconds() public method

Pass SSLTrack::TRY_HARD if you would like the file length to be guessed from the file itself, if possible, and don't mind that this is possibly an expensive operation.
public getLengthInSeconds ( $flags )
$flags
 public function notifyScrobble(SSLTrack $track)
 {
     $length = $track->getLengthInSeconds(SSLTrack::TRY_HARD);
     if ($length == 0) {
         // Perhaps this entry was added manually.
         L::level(L::WARNING) && L::log(L::WARNING, __CLASS__, 'Could not guess length. Last.fm will silently ignore the scrobble.', array());
     }
     try {
         $this->scrobbler->add($track->getArtist(), $track->getTitle(), $track->getAlbum(), $length, $track->getStartTime());
         L::level(L::DEBUG) && L::log(L::DEBUG, __CLASS__, 'Sending %d scrobble(s) to Last.fm', array($this->scrobbler->getQueueSize()));
         $this->scrobbler->submit();
         // TODO: caching if scrobbling's down whilst playing.
     } catch (Exception $e) {
         L::level(L::WARNING) && L::log(L::WARNING, __CLASS__, 'Could not send %d scrobble(s) to Last.fm: %s', array($this->scrobbler->getQueueSize(), $e->getMessage()));
     }
 }
 public function __construct(SSLTrack $track)
 {
     $this->end_point = $track->getLengthInSeconds(SSLTrack::TRY_HARD);
     $this->scrobble_point = $this->end_point / self::SCROBBLE_DIVIDER;
     $this->setTrack($track);
 }