IMediaSeeking::GetRate method (strmif.h)
GetRate method retrieves the playback rate.
HRESULT GetRate( double *pdRate );
Pointer to a variable that receives the playback rate.
Returns an HRESULT value. Possible values include the following.
||Method is not supported.|
||NULL pointer argument.|
The playback rate is expressed as a ratio of the normal speed. Thus, 1.0 is normal playback speed, 0.5 is half speed, and 2.0 is twice speed.
|Minimum supported client||Windows 2000 Professional [desktop apps only]|
|Minimum supported server||Windows 2000 Server [desktop apps only]|
|Header||strmif.h (include Dshow.h)|