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Retrieves the current reference clock in use by this filter.
HRESULT GetSyncSource( IReferenceClock ** pClock );
Parameters
- pClock
- [out] Pointer to a reference clock; it will be set to the
IReferenceClockinterface.
Return Values
Returns an HRESULTvalue that depends on the implementation. HRESULTcan be one of the following standard constants, or other values not listed.
E_FAIL Failure. E_POINTER Null pointer argument. E_INVALIDARG Invalid argument. E_NOTIMPL Method isn't supported. S_OK or NOERROR Success. Remarks
The returned interface (if it is non-NULL) will have a reference added by the IUnknown::AddRefmethod. The calling application should release the interface by calling the IUnknown::Releasemethod when it has finished with the pointer.