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

HRESULT get_PrerollTime(
  REFTIME* pllTime


  • pllTime
    [out] Returned preroll time as a double pointer value.

Return Values

Returns an HRESULT value.


Preroll time is the time prior to the start position at which nonrandom access devices, such as tape players, should start 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

IMediaPosition Interface

Last updated on Wednesday, April 13, 2005

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