15.1 to 7.1.4 Downmix.txt

desc:Simple 15.1 to 7.1 Downmix
slider1:0<0,1,1{On,Off}>Top downmix
@init
top_P=1.11  ;
top_W=0.9   ;

@sample 

slider5 == 0 ? spl0 += spl10   ;
slider5 == 0 ? spl1 += spl11   ;

top_front_M =(spl8+spl9)*0.5;
top_front_S =(spl8-spl9)*0.5; 
top_back_M  =(spl12+spl13)*0.5;
top_back_S  =(spl12-spl13)*0.5; 

spl8 = (top_front_M * top_P)+ (top_front_S * top_W);
spl9 = (top_front_M * top_P)- (top_front_S * top_W);
spl12= (top_back_M  * top_P)+ (top_back_S  * top_W);
spl13= (top_back_M  * top_P)- (top_back_S  * top_W);

spl8 +=(spl14)*0.7071;
spl9 +=(spl15)*0.7071;
spl12+=(spl14)*0.7071;
spl13+=(spl15)*0.7071;


//spl10= 0;
//spl11= 0;



spl14= 0;
spl15= 0;