#include "processor.h" #include "stmlib/stmlib.h" #include "stmlib/utils/dsp.h" #include using namespace stereo_mix; using namespace stmlib; void Processor::Process(int16_t cvs[], uint16_t* outs) { uint32_t value_l; uint32_t value_r; uint16_t pan_pot = (pan_offset + 32767L); uint16_t vol_pot = (volume_offset); int16_t pan_cv = cvs[0]; int16_t vol_cv = cvs[1]; int32_t pan = pan_pot + pan_cv; // calculate value for ui int32_t lin = volume_offset + (cvs[1] << 1); CONSTRAIN(lin, 0, 65535); lin *= !mute; this->linear_vol = lin; uint16_t vol_pot_exp = Interpolate124(lut_linear_to_exp, vol_pot); uint16_t vol_pot_log = 65535 - InverseInterpolate124(lut_linear_to_exp, vol_pot); vol_pot = Mix(vol_pot_exp, vol_pot_log, log_exp_mix_pot); int32_t vol = vol_pot; uint16_t vol_cv_absu16 = abs(vol_cv); uint16_t vol_cv_exp = Interpolate124(lut_linear_to_exp, vol_cv_absu16); uint16_t vol_cv_log = 65535 - InverseInterpolate124(lut_linear_to_exp, vol_cv_absu16); uint16_t vol_cv_pre = Mix(vol_cv_exp, vol_cv_log, log_exp_mix_cv); vol += vol_cv > 0 ? vol_cv_pre : -vol_cv_pre; vol *= !mute; CONSTRAIN(pan, 0, 65535); CONSTRAIN(vol, 0, 65535); this->previous_vol = vol; value_l = (Interpolate124(lut_left_sin_pan, pan) * vol) >> 16; value_r = (Interpolate124(lut_right_cos_pan, pan) * vol) >> 16; outs[0] = value_r; outs[1] = value_l; }