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Retrieves the preroll settings.
HRESULT GetPreroll( LONGLONG * pllPreroll );
Parameters
- pllPreroll
- [out] Returned preroll time.
Return Values
Returns an HRESULTvalue that depends on the implementation of the interface. The default DirectShow implementation returns S_OK for success and E_NOTIMPL if the method is not implemented.
Remarks
This method retrieves the time prior to the start position that the filter graph begins any nonrandom access device rolling.