lmnts rev static
a reverb effect, based the on elements reverb dsp code open sourced by mutable instruments. any bugs/issues you find are our own, report on the axoloti forum. Thanks to Olivier Gillet from Mutable Instruments for open sourcing their code. http://mutable-instruments.com
Inlets
frac32buffer l
frac32buffer r
frac32.bipolar amount
frac32.bipolar time
frac32.bipolar diffusion
frac32.bipolar gain
frac32.bipolar lowpass
Outlets
frac32buffer l
frac32buffer r
Parameters
frac32.u.map amount
frac32.u.map time
frac32.u.map diffusion
frac32.u.map gain
frac32.u.map lowpass
int16_t *buf;
elements::Reverb reverb;
inline float constrainQ27(int32_t v, float vMin, float vMax) {
return std::max<float>(vMin, std::min<float>(vMax, q27_to_float(v)));
}
inline float constrain(float v, float vMin, float vMax) {
return std::max<float>(vMin, std::min<float>(vMax, v));
}// uint16_t* buf = (uint16_t*) sdram_malloc(32768);
static uint16_t buf[32768] __attribute__((section(".sdram")));
if (!buf)
return;
reverb.Init(buf);static float left[BUFSIZE];
static float right[BUFSIZE];
int i;
reverb.set_amount(constrainQ27(param_amount + inlet_amount, 0.0f, 1.0f));
reverb.set_input_gain(constrainQ27(param_gain + inlet_gain, 0.0f, 1.0f));
reverb.set_time(constrainQ27(param_time + inlet_time, 0.0f, 1.0f));
reverb.set_diffusion(constrainQ27(param_diffusion + inlet_diffusion, 0.0f,
1.0f));
reverb.set_lp(constrainQ27(param_lowpass + inlet_lowpass, 0.0f, 1.0f));
for (i = 0; i < BUFSIZE; i++) {
left[i] = q27_to_float(inlet_l[i]);
right[i] = q27_to_float(inlet_r[i]);
}
reverb.Process(left, right, BUFSIZE);
for (i = 0; i < BUFSIZE; i++) {
outlet_l[i] = float_to_q27(left[i]);
outlet_r[i] = float_to_q27(right[i]);
}