IMediaSeeking::GetDuration
| Microsoft DirectShow 9.0 |
IMediaSeeking::GetDuration
The GetDuration method retrieves the duration of the stream.
Syntax
HRESULT GetDuration( LONGLONG *pDuration );
Parameters
pDuration
[out] Pointer to a variable that receives the duration, 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
This method retrieves the duration of the stream at normal playback speed. Changing the playback rate does not affect the duration.
The returned value is 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