-(void)onPrerollAdLoaded;

- (void)onPrerollAdFailed:(int)errorCode;

- (void)onPrerollAdClicked;

- (void)onPrerollAdCompleted;

// Main Content CallBacks

-(void)mainContentOnPrepare:(AVPlayerViewController*)mediaPlayer;

-(void)mainContentDidFailWithError:(NSError*)error playerInstance:(AVPlayerViewController*)mediaPlayer;

-(void)mainContentFinish:(AVPlayerViewController*)mediaPlayer;