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IMediaSeeking::GetPositions

  • 아티클
 
Microsoft DirectShow 9.0

IMediaSeeking::GetPositions

The GetPositions method retrieves the current position and the stop position, relative to the total duration of the stream.

Syntax

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

Parameters

pCurrent

[out] Pointer to a variable that receives the current position, in units of the current time format.

pStop

[out] Pointer to a variable that receives the stop position, in units of the current time format.

Return Values

Returns an HRESULT value. Possible values include the following.

Return code Description
S_OK Success.
E_NOTIMPL Method is not supported.
E_POINTER NULL pointer argument.

Remarks

The current position and the stop position are both relative to the original stream, and are independent of the playback rate.

The returned values are expressed in the current time format. The default time format is REFERENCE_TIME units (100 nanoseconds). To change time formats, use the IMediaSeeking::SetTimeFormat method.

Requirements

Header: Declared in Strmif.h; include Dshow.h.

Library: Use Strmiids.lib.

See Also