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This member function is used to verify whether a media type is supported on a pin.
virtual HRESULT CheckMediaType( const CMediaType * pmt ) PURE;
Parameters
- pmt
- Pointer to a media type object containing the proposed media
type.
Return Values
The overriding member function should return S_OK if the proposed media type is accepted; otherwise, it should return an HRESULTfailure value, such as S_FALSE.
Remarks
This member function is typically called before calling the CBasePin::SetMediaTypemember function. It is also called from several other member functions, including CBasePin::ReceiveConnectionand CBasePin::QueryAccept.