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| Microsoft DirectShow 9.0 |
System Reference Clock
The System Reference Clock object implements a reference clock that returns the system time. If none of the filters in the graph provides a reference clock, the filter graph manager uses this component to synchronize the graph. Create this object by calling CoCreateInstance.
| Class Identifier | CLSID_SystemClock |
| Interfaces | IAMClockAdjust, IReferenceClock, IReferenceClockTimerControl |
See Also