|Microsoft DirectX 9.0|
The GetAverageFrameSize method retrieves the average size of the frames that the filter has captured.
HRESULT GetAverageFrameSize( long *plAverageSize );
[out] Pointer to a variable that receives the average frame size, in bytes, since the filter began streaming.
Returns an HRESULT value. Possible values include the following.
|E_POINTER||NULL pointer argument.|
If the device does not report a value, the method might succeed but return zero in the plAverageSize parameter.