IVMRMixerBitmap9::GetAlphaBitmapParameters method

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

Syntax


HRESULT GetAlphaBitmapParameters(
  [out] VMR9AlphaBitmap *pBmpParms
);

Parameters

pBmpParms [out]

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 codeDescription
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]

Header

Vmr9.h

Library

Strmiids.lib

See also

Using the Video Mixing Renderer
IVMRMixerBitmap9 Interface

 

 

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