IVMRMixerControl9::SetProcAmpControl method

The SetProcAmpControl method sets the image adjustment 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.

Syntax


HRESULT SetProcAmpControl(
  [in] DWORD              dwStreamID,
  [in] VMR9ProcAmpControl *lpClrControl
);

Parameters

dwStreamID [in]

Specifies the input stream. This value corresponds to the input pin. For example, the first input pin is stream 0.

lpClrControl [in]

Pointer to a VMR9ProcAmpControl structure that contains the image adjustment settings.

Return value

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

Return codeDescription
E_INVALIDARG

Invalid argument. Possible causes of this error include:

  • The stream number is invalid
  • The value of dwSize in the VMR9ProcAmpControl structure is invalid.
E_POINTER

NULL pointer argument.

S_OK

Success.

VFW_E_NOT_CONNECTED

The pin is not connected.

VFW_E_VMR_NO_PROCAMP_HW

The graphics hardware does not support ProcAmp controls.

 

Remarks

Include DShow.h and D3d9.h before Vmr9.h.

Requirements

Minimum supported client

Windows XP with SP2 [desktop apps only]

Minimum supported server

Windows Server 2003 R2 [desktop apps only]

Header

Vmr9.h

Library

Strmiids.lib

See also

Using the Video Mixing Renderer
IVMRMixerControl9 Interface

 

 

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