Henry Liu

I am having the same issue as emmasteimann. This is happening for me on GPUImage 0.1.4 even with the proposed fix.

I was able to solve this: ``` - (void)observeGlobalNotifications { [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(onApplicationWillResignActive) name:UIApplicationWillResignActiveNotification object:nil]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(onApplicationDidBecomeActive) name:UIApplicationDidBecomeActiveNotification object:nil]; } - (void)unobserveGlobalNotifications { [[NSNotificationCenter defaultCenter] removeObserver:self name:UIApplicationWillResignActiveNotification...