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CSourceSeeking::GetPositions

  • 아티클
 
Microsoft DirectShow 9.0

CSourceSeeking::GetPositions

The GetPositions method retrieves the current position and the stop position. This method implements the IMediaSeeking::GetPositions method.

Syntax

  HRESULT GetPositions(
    LONGLONG *pCurrent,
    LONGLONG *pStop
);

Parameters

pCurrent

Pointer to a variable that receives the start position.

pStop

Pointer to a variable that receives the stop position.

Return Value

Returns S_OK.

Remarks

For the pCurrent parameter, this method returns the value of the CSourceSeeking::m_rtStart member variable, which represents the latest seek time, not the current streaming position. However, when an application calls IMediaSeeking::GetPositions through the filter graph manager, the values typically come from a renderer filter, not a source filter.

Requirements

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

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

See Also