wrapper
Folds back the signal when it passes the "width" value and scales back the result to normal range. "mix" mixes between original and changed signal
Inlets
frac32 width
frac32 mix
frac32buffer in
Outlets
frac32buffer out
Parameters
frac32.u.map width
frac32.u.map mix
Control Rate
float32_t scaleback =
((float32_t)(1 << 27)) / ((float32_t)(param_width + inlet_width));
int32_t width0 = param_width + inlet_width;
int32_t width1 = (param_width + inlet_width) << 1;
int32_t width2 = (param_width + inlet_width) << 2;
int32_t mix = (param_mix + inlet_mix);
mix = mix > 0 ? mix : -mix;
mix = mix > (1 << 27) ? (2 << 27) - mix : mix;
int32_t miix = mix << 3;
mix = ((1 << 27) - mix) << 3;
Audio Rate
int32_t shift = inlet_in + width0;
shift = shift > 0 ? shift : -shift;
int32_t wrap = shift - ((shift / width2) * width2);
int32_t bounce = wrap > width1 ? (width2 - wrap) : wrap;
outlet_out =
___SMMUL(miix, ((((int32_t)((bounce - width0) * scaleback))) << 2)) +
___SMMUL(mix, inlet_in << 2);