AVFoundation is a framework with an Objective-C interface, which provides high-level services for working with time-based audiovisual media on Apple operating systems: iOS, macOS, tvOS, and watchOS. It was first introduced in iOS 2.2 and has seen significant changes in iOS 4, iOS 5 and iOS 6. Starting with Mac OS X Lion, it is now the default media framework for the macOS platform.
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