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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 HRESULTvalue.
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.