This method retrieves the preroll settings.

HRESULT GetPreroll(
  LONGLONG* pllPreroll


  • pllPreroll
    [out] Returned preroll time.

Return Values

Returns an HRESULT value 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.


This method retrieves the time prior to the start position that the filter graph begins any nonrandom access device rolling.


DirectShow applications and DirectShow filters have different include file and link library requirements. See Setting Up the Build Environment for more information.

OS Versions: Windows CE 2.12 and later. Version 2.12 requires DXPAK 1.0 or later.

See Also

IMediaSeeking Interface

Last updated on Wednesday, April 13, 2005

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