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/*
FFTease - A set of Live Spectral Processors
Originally written by Eric Lyon and Christopher Penrose for the Max/MSP platform
Copyright (c)Thomas Grill (xovo@gmx.net)
For information on usage and redistribution, and for a DISCLAIMER OF ALL
WARRANTIES, see the file, "license.txt," in this distribution.
*/
#include "main.h"
class cross:
public fftease
{
FLEXT_HEADER(cross,fftease)
public:
cross();
protected:
virtual V Transform(I _N2,S *const *in);
};
FLEXT_LIB_DSP("fftease, cross~",cross)
cross::cross():
fftease(2,F_STEREO|F_BALANCED|F_BITSHUFFLE|F_CONVERT)
{
AddInSignal("Messages and driver signal");
AddInSignal("Filter signal");
AddInSignal("Threshold signal for cross synthesis");
AddOutSignal("Transformed signal");
}
V cross::Transform(I _N2,S *const *in)
{
// filled only once per signal vector!!
register const F threshie = *in[0];
const I _N = _N2*2;
for (I i = 0; i <= _N; i += 2) {
// modulate amp2 with amp1 (if over threshold)
if(_channel1[i] > threshie ) _channel2[i] *= _channel1[i];
}
}
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