Paperback: 432 pages
Publisher: Addison-Wesley Professional; 1 edition (November 14, 2014)
Product Dimensions: 6.9 x 1.1 x 8.9 inches
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I've been developing with QuickTime since about 2000, and we have quite a history together. So you can imagine my surprise when the AV Foundation framework was introduced for iOS 4 at WWDC in 2010. It was a modern 64-bit media framework that seemed to do a lot of what we were using QuickTime for. Hmmm... It was much less of a surprise when AV Foundation was bought "back to the Mac" in Lion (OS X v10.7), and it was no surprise at all when the QuickTime and QTKit frameworks were deprecated in Mavericks (OS X v10.9) in favor of AV Foundation.This is the modern way with Cocoa: a framework developed for one platform becomes available for both iOS and OS X, and having become familiar with its classes and methods on one platform you're in good shape to use it everywhere. "Learning AV Foundation" admirably reflects the modern way, with sample apps for both platforms and discussion of differences where they exist.Since I'm keen to leave QuickTime behind, I dove right in. I really wish there were more technical books like this. Stylistically it reminds me of Aaron Hillegass' "Cocoa Programming for Mac OS X" except focused on the vast AV Foundation framework and its entourage (AVKit, Core Media, Core Audio, Core Video, Core Animation).We start off with a bit of the history I mentioned above to put the framework into perspective, and some essential background theory about audio sampling, video codecs and container formats. But it isn't long before we're looking at some code. Like Hillegass' books the code is always presented in the context of solving a problem or creating an app, which is much more approachable than dry out-of-context code samples from the API Reference or StackOverflow.
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