Share via

CTransformFilter::CheckInputType

  • Article

Verifies that the input pin supports the media type, and proposes the output pin's media type.

virtual HRESULT CheckInputType(
  const CmediaType* mtIn
) PURE;

Parameters

  • mtIn
    Pointer to an input media type object.

Return Values

The overriding member function returns an HRESULT value.

Remarks

You must override this member function to verify the media type. This member function must return an error if it cannot support the media type as an input. If it can, the overriding member function should propose the output media type supplied by the output pin.

Requirements

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.
Header:

Last updated on Wednesday, April 13, 2005

© 2005 Microsoft Corporation. All rights reserved.