I must admit, that i do not completely unterstand why this works. But it solved my problem and apparently worked for some other people, too. Regarding the mentioned issue. I did not run into unwanted side-effects as of now.
Please review and point out if this is okay or if not, why.
Allowing to update the UI Element from outside of frameProcessingCompletionBlock. See: https://github.com/BradLarson/GPUImage/issues/2211#issuecomment-197210701
I must admit, that i do not completely unterstand why this works. But it solved my problem and apparently worked for some other people, too. Regarding the mentioned issue. I did not run into unwanted side-effects as of now.
Please review and point out if this is okay or if not, why.