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This method retrieves the length of time that the media stream will play.
Syntax
HRESULT GetDuration( LONGLONG* pDuration ); |
Parameters
- pDuration
-
[out] Returned length of the media stream.
Return Value
Returns an HRESULTvalue 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.
Remarks
The duration assumes normal playback speed, and it is therefore unaffected by the rate. Although IMediaSeekingallows filters to be seeked in media time, it still requires that the media samples it sends downstream are time stamped appropriately.
Requirements
Windows Embedded CE | Windows CE 2.12 and later |
Windows Mobile | Pocket PC for Windows Mobile Version 5.0 and later, Smartphone for Windows Mobile Version 5.0 and later |
Note | Microsoft 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 |
See Also
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