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4/8/2010

This method retrieves the current reference clock in use by this filter.

Syntax 

HRESULT GetSyncSource(
  IReferenceClock** 
pClock
);

Parameters

pClock

[out] Pointer to a reference clock; it will be set to the IReferenceClockinterface.

Return Value

Returns an HRESULTvalue that depends on the implementation. HRESULTcan be one of the following standard constants, or other values not listed.

Value Description

E_FAIL

Failure.

E_POINTER

Null pointer argument.

E_INVALIDARG

Invalid argument.

E_NOTIMPL

Method is not 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.

Requirements

Windows Embedded CE Windows CE 2.12 and later
Windows Mobile Windows Mobile Version 5.0 and later
Note Microsoft DirectShow applications and DirectShow filters have different include file and Library requirements
For more information, see Setting Up the Build Environment,
Version 2.12 requires DXPAK 1.0 or later

See Also