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Creates a COM object that supports IMediaSeekingand IMediaPositionfor single-input pin renderers and transform filters.
STDAPI CreatePosPassThru( LPUNKNOWN pAgg , BOOL bRenderer , IPin * pPin , IUnknown ** ppPassThru );
Parameters
- pAgg
- NULL if the object is not being created as part of an aggregate; otherwise, a pointer to the aggregate object's IUnknowninterface (the controlling IUnknown).
- bRenderer
- TRUE if the filter supports rendering; otherwise, FALSE.
- pPin
- Pointer to the filter's input pin.
- ppPassThru
- Address of a pointer to an
ISeekingPassThruinterface.
Return Values
Returns S_OK if successful; otherwise, returns an HRESULTindicating the error.
Remarks
You can use this function to create a CPosPassThruobject in Quartz.dll rather than from your own .dll file. The CLSID of the object is CLSID_SeekingPassThru.