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IMediaSeeking::GetCurrentPosition

Windows Mobile 6.5
A version of this page is also available for
4/8/2010

This method retrieves the current position in terms of the total length of the media stream.


HRESULT GetCurrentPosition(
  LONGLONG* pCurrent
);

pCurrent

[out] Current position in current time format units.

Returns an HRESULT value that depends on the implementation of the interface.

The default DirectShow implementation returns E_POINTER if the pointer argument is NULL, or another COM return code otherwise.

The current position is the position that playback has reached. It is a value between zero and the duration. If the filter graph is paused, this is the position at which it will restart.

Because IMediaSeeking uses media times for its time parameters, the current position value is independent of any rate or start position that might have been set.

When the filter graph is stopped or paused, this method returns the position at which playback will recommence.

When the filter graph is running, the filter graph manager returns the position according to the data arriving at the renderer.

If an individual filter implements this method, it should return the media time of the sample it is processing when paused or running.

After stopping or pausing, a run command causes playback to begin at the current position. This will be where playback stopped or paused, unless there has been an IMediaSeeking::SetPositions call in the meantime to reset the start position.

Windows Embedded CEWindows CE 2.12 and later
Windows MobilePocket PC for Windows Mobile Version 5.0 and later, Smartphone for Windows Mobile Version 5.0 and later
NoteMicrosoft DirectShow applications and DirectShow filters have different include file and Library requirements
For more information, see Setting Up the Build Environment, Version 2.12 requires DXPAK 1.0 or later

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