First attempt at MCSI voice path automatic switching The function is implemented at the ACI level in both aci2 and aci3, successfully avoids triggering the DSP bug on the first call, but the shutdown of MCSI upon call completion is not working properly yet in either version.

#define E_CALC_INIT 1
#define E_CALC_UPDATE 2
#define E_CALC_DEINIT 3

/* Function prototypes */

T_MFW_HND	AUI_calc_Start(T_MFW_HND parent, T_AUI_EDITOR_DATA *editor_data);
void		AUI_calc_Destroy(T_MFW_HND win);