      Seeks forward as far as possible
      
      */
-    public func seekToLive() {
+    public func seekToSeekableRangeEnd() {
         let bufferTime = CMTime(seconds: 1, preferredTimescale: 1000000000)
         let (earliesPoint, latestPoint) = getSeekableBordersWithBufferTime(bufferTime)
         let newPos = max(earliesPoint, latestPoint)

     Seeks backwards as far as possible.
     
     */
    func seekToStart() {
        let bufferTime = CMTime(seconds: 1, preferredTimescale: 1000000000)
        let (earliesPoint, latestPoint) = getSeekableBordersWithBufferTime(bufferTime)
        let newPos = min(earliesPoint, latestPoint)

            }
            else if time < seekableStart {
                // time is before seekable start, so just move to the most early position as possible
                seekToSeekableRangeStart()
            }
            else if time > seekableEnd {
                // time is larger than possibly, so just move forward as far as possible
                seekToSeekableRangeEnd()
            }
            
            updateNowPlayingInfoCenter()
