Compartilhar via


CPosPassThru::GetPreroll

 
Microsoft DirectShow 9.0

CPosPassThru::GetPreroll

The GetPreroll method retrieves the amount of data that will be queued before the start position. This method implements the IMediaSeeking::GetPreroll method.

Syntax

  HRESULT GetPreroll(
    LONGLONG *pllPreroll
);

Parameters

pllPreroll

Pointer to a variable that receives the preroll time, in units of the current time format.

Return Value

Returns the HRESULT value from the connected pin.

Requirements

**  Header:** Declared in Ctlutil.h; include Streams.h.

**  Library:** Use Strmbase.lib (retail builds) or Strmbasd.lib (debug builds).

See Also