path: root/plugins/WinVST/RawGlitters/RawGlittersProc.cpp

/* ========================================
 *  RawGlitters - RawGlitters.h
 *  Copyright (c) 2016 airwindows, All rights reserved
 * ======================================== */

#ifndef __RawGlitters_H
#include "RawGlitters.h"
#endif

void RawGlitters::processReplacing(float **inputs, float **outputs, VstInt32 sampleFrames) 
{
    float* in1  =  inputs[0];
    float* in2  =  inputs[1];
    float* out1 = outputs[0];
    float* out2 = outputs[1];

    while (--sampleFrames >= 0)
    {
		double inputSampleL = *in1 * 8388608.0;
		double inputSampleR = *in2 * 8388608.0;
		double outputSampleL;
		double outputSampleR;
		
		inputSampleL += 0.381966011250105;
		inputSampleR += 0.381966011250105;
		
		if ((lastSampleL+lastSampleL) <= (inputSampleL+lastSample2L)) outputSampleL = floor(lastSampleL);
		else outputSampleL = floor(lastSampleL+1.0); //round down or up based on whether it softens treble angles
		
		if ((lastSampleR+lastSampleR) <= (inputSampleR+lastSample2R)) outputSampleR = floor(lastSampleR);
		else outputSampleR = floor(lastSampleR+1.0); //round down or up based on whether it softens treble angles
		
		lastSample2L = lastSampleL;
		lastSampleL = inputSampleL; //we retain three samples in a row
		
		lastSample2R = lastSampleR;
		lastSampleR = inputSampleR; //we retain three samples in a row
		
		*out1 = outputSampleL / 8388608.0;
		*out2 = outputSampleR / 8388608.0;
		
		*in1++;
		*in2++;
		*out1++;
		*out2++;
    }
}

void RawGlitters::processDoubleReplacing(double **inputs, double **outputs, VstInt32 sampleFrames) 
{
    double* in1  =  inputs[0];
    double* in2  =  inputs[1];
    double* out1 = outputs[0];
    double* out2 = outputs[1];

    while (--sampleFrames >= 0)
    {
		double inputSampleL = *in1 * 8388608.0;
		double inputSampleR = *in2 * 8388608.0;
		double outputSampleL;
		double outputSampleR;
		
		inputSampleL += 0.381966011250105;
		inputSampleR += 0.381966011250105;
		
		if ((lastSampleL+lastSampleL) <= (inputSampleL+lastSample2L)) outputSampleL = floor(lastSampleL);
		else outputSampleL = floor(lastSampleL+1.0); //round down or up based on whether it softens treble angles
		
		if ((lastSampleR+lastSampleR) <= (inputSampleR+lastSample2R)) outputSampleR = floor(lastSampleR);
		else outputSampleR = floor(lastSampleR+1.0); //round down or up based on whether it softens treble angles
		
		lastSample2L = lastSampleL;
		lastSampleL = inputSampleL; //we retain three samples in a row
		
		lastSample2R = lastSampleR;
		lastSampleR = inputSampleR; //we retain three samples in a row
		
		*out1 = outputSampleL / 8388608.0;
		*out2 = outputSampleR / 8388608.0;
		
		*in1++;
		*in2++;
		*out1++;
		*out2++;
    }
}