Function

CVGetCurrentHostTime

Returns the current system time.

Declaration

uint64_t CVGetCurrentHostTime(void);

Return Value

The current host time.

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.

See Also

Inspecting the Host Clock

CVGetHostClockFrequency

Returns the frequency of updates to the system time.

CVGetHostClockMinimumTimeDelta

Returns the smallest possible increment in the system time.