- virtual bool HandleVendorCommand(const cec_command &command);
- virtual bool TransmitLGVendorId(const cec_logical_address iInitiator, const cec_logical_address iDestination);
- virtual bool HandleActiveSource(const cec_command &command);
- virtual bool TransmitPowerOn(const cec_logical_address iInitiator, const cec_logical_address iDestination);