AVFoundation iOS 11.1 to 11.2 API Differences

AVAssetResourceLoader.h
Added AVAssetResourceLoadingContentInformationRequest.allowedContentTypes
AVContentKeySession.h
Added -[AVContentKeyRequest respondByRequestingPersistableContentKeyRequestAndReturnError:]
Modified -[AVContentKeyRequest respondByRequestingPersistableContentKeyRequest]
AvailabilityDeprecation Message
FromAvailablenone
ToDeprecatedUse respondByRequestingPersistableContentKeyRequestAndReturnError: instead.

AVError.h
Added AVErrorNoSourceTrack
AVPlayer.h
Added AVPlayerHDRMode
Added AVPlayerHDRModeHLG
Added AVPlayerHDRModeHDR10
Added AVPlayerHDRModeDolbyVision
Added AVPlayer.availableHDRModes
Added AVPlayerAvailableHDRModesDidChangeNotification
AVSampleBufferAudioRenderer.h
Removed AVSampleBufferAudioRenderer.audioOutputDeviceUniqueID