So hazarding a guess here - you've written your own services on top of CoreImage, Core Text etc? https://developer.apple.com/library/mac/documentation/macosx/c

So hazarding a guess here - you've written your own services on top of CoreImage, Core Text etc? https://developer.apple.com/library/mac/documentation/macosx/conceptual/osx_technology_overview/MediaLayer/MediaLayer.html#//apple_ref/doc/uid/TP40001067-CH273-SW30 https://developer.apple.com/library/mac/documentation/macosx...