This method sets the factors by which the decoder should scale the video stream.

HRESULT SetScalingFactors(
  LPAMVPSIZE pamvpSize


  • pamvpSize
    [in] Pointer to the new scaling size structure (AMVPSIZE) to use to specify the width and height.

Return Values

Returns an HRESULT value that depends on the implementation of the interface. HRESULT can include one of the following standard constants, or other values not listed.

Value Description
E_FAIL Failure.
E_POINTER Null pointer argument.
E_INVALIDARG Invalid argument.
NOERROR The new scaling factors were set.


If the decoder does not support the specified scaling factors, then it sets the values to the nearest factors it can support.


DirectShow applications and DirectShow filters have different include file and link library requirements. See Setting Up the Build Environment for more information.

OS Versions: Windows CE 2.12 and later. Version 2.12 requires DXPAK 1.0 or later.

See Also

IVPConfig Interface

Last updated on Wednesday, April 13, 2005

© 2005 Microsoft Corporation. All rights reserved.