QuickTime 7.5 Core Animation Improvements
Every time a new Apple software update comes out, people always wonder what's really changed. Apple's release notes are usually not very detailed. QuickTime 7.5 which was released the week of WWDC 2008 happened to be a fairly significant update in terms of bug fixes and enhancements.
I was trying to implement a "reflection" of a movie layer using QTKit and Core Animation. I wanted a single movie source and either two movie layers to share the the source, or a way to capture the current displayed image of one layer and transfer it to another. It turns out neither was possible prior to QuickTime 7.5. (You might be able to use to Core Video and OpenGL, but the QuickTime/Core Video API interface still hasn't been updated to support 64-bit which is a different problem. …
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