BradLarson/GPUImage — pull request #1404 by PavelKapinos (2014-02-05 13:09:44+00:00)
Title: Fixed issue with not calling -dealloc(under ARC) after playing PlayerItem.

When GPUImageMovie plays AVPlayerItem, it creates _displayLink, which in turn holding GPUImageMovie and block -dealloc. So removing _displayLink has be moved to -endProcessing.