IDeckLinkOutput.GetHardwareReferenceClock

Undocumented in source but is binding to an external library. You might be able to learn more by searching the web for its name.
interface IDeckLinkOutput
extern (System)
GetHardwareReferenceClock
(
in BMDTimeScale desiredTimeScale
,
BMDTimeValue* hardwareTime
,
BMDTimeValue* timeInFrame
,
BMDTimeValue* ticksPerFrame
)

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