fdn4
Feedback delay network with 4 delay lines. High quality 32bit.
Inlets
frac32buffer in1
frac32buffer in2
frac32buffer in3
frac32buffer in4
Outlets
frac32buffer out1
frac32buffer out2
frac32buffer out3
frac32buffer out4
Parameters
frac32.u.map g
Attributes
spinner d1
spinner d2
spinner d3
spinner d4
int32_t d1d[attr_d1];
int32_t d2d[attr_d2];
int32_t d3d[attr_d3];
int32_t d4d[attr_d4];
uint32_t d1p;
uint32_t d2p;
uint32_t d3p;
uint32_t d4p;int i;
for (i = 0; i < attr_d1; i++)
d1d[i] = 0;
for (i = 0; i < attr_d2; i++)
d2d[i] = 0;
for (i = 0; i < attr_d3; i++)
d3d[i] = 0;
for (i = 0; i < attr_d4; i++)
d4d[i] = 0;
d1p = 0;
d2p = 0;
d3p = 0;
d4p = 0;int32_t g2 = 755299123 + param_g;int32_t i1 = inlet_in1 + d1d[d1p];
int32_t i2 = inlet_in2 + d2d[d2p];
int32_t i3 = inlet_in3 + d3d[d3p];
int32_t i4 = inlet_in4 + d4d[d4p];
int32_t t1 = i2 + i3;
int32_t t2 = -i1 - i4;
int32_t t3 = i1 - i4;
int32_t t4 = i2 - i3;
int32_t o1 = ___SMMLA(t1, g2, t1 >> 1);
int32_t o2 = ___SMMLA(t2, g2, t2 >> 1);
int32_t o3 = ___SMMLA(t3, g2, t3 >> 1);
int32_t o4 = ___SMMLA(t4, g2, t4 >> 1);
d1d[d1p] = o1;
d2d[d2p] = o2;
d3d[d3p] = o3;
d4d[d4p] = o4;
d1p++;
d2p++;
d3p++;
d4p++;
if (d1p == attr_d1)
d1p = 0;
if (d2p == attr_d2)
d2p = 0;
if (d3p == attr_d3)
d3p = 0;
if (d4p == attr_d4)
d4p = 0;
outlet_out1 = o1;
outlet_out2 = o2;
outlet_out3 = o3;
outlet_out4 = o4;