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IVMRWindowlessControl::GetMaxIdealVideoSize

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Microsoft DirectShow 9.0

IVMRWindowlessControl::GetMaxIdealVideoSize

The GetMaxIdealVideoSize method retrieves the maximum video size that the VMR can display without incurring significant performance or image quality degradation.

Syntax

  HRESULT GetMaxIdealVideoSize(

  
  LONG*
  
  lpWidth
  ,

  
  LONG*
  
  lpHeight

  );

Parameters

lpWidth

[out]  Pointer that receives the maximum ideal width.

lpHeight

[out]  Pointer that receives the maximum ideal height.

Return Values

If the method succeeds, it returns S_OK. If it fails, it returns an error code.

Error Code Description
VFW_E_WRONG_STATE The VMR is not in windowless mode.

.

Requirements

Header: Declared in Strmif.h; include Dshow.h.

Library: Use Strmiids.lib.

See Also