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Sets a new playback rate.
HRESULT SetRate( double dRate );
Parameters
- dRate
- New rate, where 1 is the normal rate, 2 is twice as fast, and
so on.
Return Values
Returns E_INVALIDARG if dRateis zero. Otherwise, returns the HRESULTvalue returned from calling IMediaSeeking::SetRateon the connected pin.
Remarks
This member function implements the IMediaSeeking::SetRatemethod by calling this same method on the upstream filter's output pin. It is an error to set the rate to 0.