Function: number, number sranipal.Init() Description: Initializes SRanipal eye and facial tracking engines. The return values are initialization error codes, first one is for eye tracking, second for facial tracking. Code 0 means the engine was started successfully. Function: sranipal.Shutdown() Description: Function: table, table sranipal.GetEyeData() Description: Returns tables containing SRanipal eye tracking output. The first table is for the left eye, second is for the right eye. Function: table sranipal.GetLipData() Description: Returns a table containing SRanipal facial tracking output.