Microsoft DirectX 9.0


The GetProcAmpControl method retrieves the current image adjustment settings for the VMR-9. Image adjustment includes brightness, contrast, hue, and saturation, and is performed by the graphics device. If the graphics driver does not support hardware image adjustment, this method fails.


HRESULT GetProcAmpControl(
  DWORD  dwStreamID,
  VMR9ProcAmpControl*  lpClrControl



[in]  Specifies the input stream.


[in, out]  Pointer to a VMR9ProcAmpControl structure that receives the image adjustment settings. The dwFlags field indicates which properties are supported by the graphics driver.

Return Values

The method returns an HRESULT. Possible values include those in the following table.

Value Description
E_INVALIDARG Invalid stream number.
E_POINTER NULL pointer argument.
S_OK Success.
VFW_E_NOT_CONNECTED The pin is not connected.


Include D3d9.h, Vmr9.h.

See Also