CMTimebaseGetEffectiveRate(_:)
Returns the effective rate of a timebase, which combines its rate with the rates of all its host timebases.
Declaration
func CMTimebaseGetEffectiveRate(_ timebase: CMTimebase) -> Float64Discussion
Calling CMTimebaseGetEffectiveRate(timebase) is equivalent to calling CMSyncGetRelativeRate(timebase, CMTimebaseGetUltimateMasterClock(timebase)).