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IVMRMixerBitmap9::GetAlphaBitmapParameters

  • Artigo
 
Microsoft DirectShow 9.0

IVMRMixerBitmap9::GetAlphaBitmapParameters

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

Syntax

  HRESULT GetAlphaBitmapParameters(
  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 Values

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

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

Requirements

Header: Include D3d9.h, Vmr9.h.

Library: Use Strmiids.lib.

See Also