comb.cpp

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 // Comb filter implementation
//
// Written by Jezar at Dreampoint, June 2000
// http://www.dreampoint.co.uk
// This code is public domain
 
#include "comb.hpp"
 
comb::comb()
{
    filterstore = 0;
    bufidx = 0;
}
 
void comb::setbuffer(float *buf, int size)
{
    buffer = buf;
    bufsize = size;
}
 
void comb::mute()
{
    for (int i=0; i<bufsize; i++)
        buffer[i]=0;
}
 
void comb::setdamp(float val, int mode)
{
        damp1 = val;            // original May 2000 damping
        damp2 = 1-val;
    if (mode == -1)         // STK: https://github.com/thestk/stk/blob/master/src/FreeVerb.cpp
          damp1 = -damp1;
    else if (mode == 0)     // VLC: https://github.com/videolan/vlc/blob/master/modules/audio_filter/spatializer/comb.hpp#L49
          damp1 = 0;
}
 
float comb::getdamp()
{
    return damp1;
}
 
void comb::setfeedback(float val)
{
    feedback = val;
}
 
float comb::getfeedback()
{
    return feedback;
}
 
// ends