sdemux1_4
Smooth demultiplexer. Works like multiple cross fades.
Inlets
frac32.positive s
frac32buffer input
Outlets
frac32buffer output 0
frac32buffer output 1
frac32buffer output 2
frac32buffer output 3
Declaration
void proc(int32_t sel, int32_t *o0, int32_t *o1, int32_t *o2, int32_t *o3,
const int32_t *in) {
int32_t *s0, *s1, *s2, *s3;
switch (sel >> (27 - 2)) {
case 0:
s0 = o0;
s1 = o1;
s2 = o2;
s3 = o3;
break;
case 1:
s0 = o1;
s1 = o2;
s2 = o3;
s3 = o0;
break;
case 2:
s0 = o2;
s1 = o3;
s2 = o0;
s3 = o1;
break;
case 3:
s0 = o3;
s1 = o0;
s2 = o1;
s3 = o2;
break;
}
int32_t a1 = (sel << 2) & 0x07FFFFFF;
int32_t a0 = 0x07FFFFFF - a1;
for (int i = 0; i < BUFSIZE; i++) {
s0[i] = ___SMMUL(in[i], a0) << 5;
s1[i] = ___SMMUL(in[i], a1) << 5;
s2[i] = 0;
s3[i] = 0;
}
}
Control Rate
proc((inlet_s)&0x07FFFFFF, outlet_o0, outlet_o1, outlet_o2, outlet_o3, inlet_i);