IVMRMixerBitmap9::GetAlphaBitmapParameters method

The GetAlphaBitmapParameters method retrieves a copy of the current image and related blending parameters.

Syntax

HRESULT GetAlphaBitmapParameters(
  VMR9AlphaBitmap *pBmpParms
);

Parameters

pBmpParms

Pointer to a VMR9AlphaBitmap structure that receives the bitmap, information about the blending values, and the location to blend it.

Return value

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

Return code Description
S_OK
The method succeeded.
E_POINTER
pBmpParms is invalid.
VFW_E_WRONG_STATE
The mixer has not been loaded.

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]
Target Platform Windows
Header vmr9.h
Library Strmiids.lib

See also

IVMRMixerBitmap9 Interface

Using the Video Mixing Renderer