+- (IBAction) toggleMoviePreviewPlayPause: (id) sender;
+- (IBAction) moviePlaybackGoToBeginning: (id) sender;
+- (IBAction) moviePlaybackGoToEnd: (id) sender;
+- (IBAction) moviePlaybackGoBackwardOneFrame: (id) sender;
+- (IBAction) moviePlaybackGoForwardOneFrame: (id) sender;
+
+-(void) initPreviewScrubberForMovie;
+-(void) adjustPreviewScrubberForCurrentMovieTime;
+- (IBAction) previewScrubberChanged: (id) sender;
+-(void)setTime:(int)timeValue;
+-(void)timeToQTTime:(long)timeValue resultTime:(QTTime *)aQTTime;
+- (void) startMovieTimer;
+- (void) stopMovieTimer;
+- (NSString*) calculatePlaybackSMTPETimecodeForDisplay;
+
+