CVGetHostClockFrequency()

Returns the frequency of updates to the system time.

Declaration

func CVGetHostClockFrequency() -> Double

Return Value

The current host frequency.

Discussion

In macOS, the host time bases for Core Video and CoreAudio are identical—both are based on the mach_absolute_time function—so the values returned from either API can be used interchangeably.

CVGetHostClockFrequency()

Declaration

Return Value

Discussion

See Also

Inspecting the Host Clock