     private var internalPlayer: AVAudioPlayerNode
     
     private var internalFile: String
-    private var sampleRate : Double = 1.0
-    private var totalFrameCount : Int64
-    private var initialFrameCount : Int64 = -1
+    private var sampleRate: Double = 1.0
+    private var totalFrameCount: Int64
+    private var initialFrameCount: Int64 = -1
     
     /// Boolean indicating whether or not to loop the playback
     public var looping = false

        if internalPlayer.playing {
            if let time = internalPlayer.lastRenderTime {
                // wrap the sampleTime by the totalFrameCount as sampleTime does not reset when audio loops.
                return Double( ( Int64(time.sampleTime - initialFrameCount) % totalFrameCount) ) / sampleRate
            }
        }
        return 0.0

        }
        internalPlayer.play()
        // get the initialFrameCount for currentTime as it's relative to the audio engine's time.
        if initialFrameCount == -1 {
            if let t = internalPlayer.lastRenderTime {
                initialFrameCount = t.sampleTime
            }
