Microsoft DirectX 8.1 (C++)

IVMRWindowlessControl::GetNativeVideoSize

This topic applies to Windows XP Home Edition and Windows XP Professional only.

The GetNativeVideoSize method retrieves the un-stretched video size and aspect ratio of the video.

Syntax

HRESULT GetNativeVideoSize(
  LONG*  lpWidth,
  LONG*  lpHeight,
  LONG*  lpARWidth,
  LONG*  lpARHeight
);

Parameters

lpWidth

[out]  Pointer that receives the width of the native video rectangle.

lpHeight

[out]  Pointer that receives the height of the native video rectangle.

lpARWidth

[out]  Pointer that receives the aspect ratio width of the native video rectangle.

lpARHeight

[out]  Pointer that receives the aspect ratio height of the native video rectangle.

Return Values

If the method succeeds, it returns S_OK. Returns E_POINTER if all four input parameters are NULL.

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

See Also