Aspects
Avfoundation
The AVFoundation framework provides both Objective-C and Swift interfaces for editing and playing audio-visual media in a Mac OSX or iOS application
Qtkit
The QuickTime Kit is an Objective-C framework (QTKit.framework) with an API for manipulating time-based media.
Others
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"Since apple has decided that qtkit is no more and avfoundation appears to only support prores 4444 and 422 flavors how are developers supposed to write modern software that can handle 4444xq 422lt and 422 proxy" from question "Other Prores flavors in AVFoundation" |