Posted by a timebase after a change in effective rate.
SDKs
- iOS 6.0+
- macOS 10.8+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 6.0+
Framework
- Core Media
Declaration
let kCMTimebaseNotification_EffectiveRateChanged: CFString
Posted by a timebase after a change in effective rate.
SDKs
Framework
let kCMTimebaseNotification_EffectiveRateChanged: CFString