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/* ========================================
* BitShiftGain - BitShiftGain.h
* Copyright (c) 2016 airwindows, All rights reserved
* ======================================== */
#ifndef __BitShiftGain_H
#include "BitShiftGain.h"
#endif
void BitShiftGain::processReplacing(float **inputs, float **outputs, VstInt32 sampleFrames)
{
float* in1 = inputs[0];
float* in2 = inputs[1];
float* out1 = outputs[0];
float* out2 = outputs[1];
int bitshiftGain = (A * 32)-16;
double gain = 1.0;
switch (bitshiftGain)
{
case -16: gain = 0.0000152587890625; break;
case -15: gain = 0.000030517578125; break;
case -14: gain = 0.00006103515625; break;
case -13: gain = 0.0001220703125; break;
case -12: gain = 0.000244140625; break;
case -11: gain = 0.00048828125; break;
case -10: gain = 0.0009765625; break;
case -9: gain = 0.001953125; break;
case -8: gain = 0.00390625; break;
case -7: gain = 0.0078125; break;
case -6: gain = 0.015625; break;
case -5: gain = 0.03125; break;
case -4: gain = 0.0625; break;
case -3: gain = 0.125; break;
case -2: gain = 0.25; break;
case -1: gain = 0.5; break;
case 0: gain = 1.0; break;
case 1: gain = 2.0; break;
case 2: gain = 4.0; break;
case 3: gain = 8.0; break;
case 4: gain = 16.0; break;
case 5: gain = 32.0; break;
case 6: gain = 64.0; break;
case 7: gain = 128.0; break;
case 8: gain = 256.0; break;
case 9: gain = 512.0; break;
case 10: gain = 1024.0; break;
case 11: gain = 2048.0; break;
case 12: gain = 4096.0; break;
case 13: gain = 8192.0; break;
case 14: gain = 16384.0; break;
case 15: gain = 32768.0; break;
case 16: gain = 65536.0; break;
}
//we are directly punching in the gain values rather than calculating them
while (--sampleFrames >= 0)
{
*out1 = *in1 * gain;
*out2 = *in2 * gain;
*in1++;
*in2++;
*out1++;
*out2++;
}
}
void BitShiftGain::processDoubleReplacing(double **inputs, double **outputs, VstInt32 sampleFrames)
{
double* in1 = inputs[0];
double* in2 = inputs[1];
double* out1 = outputs[0];
double* out2 = outputs[1];
int bitshiftGain = (A * 32)-16;
double gain = 1.0;
switch (bitshiftGain)
{
case -16: gain = 0.0000152587890625; break;
case -15: gain = 0.000030517578125; break;
case -14: gain = 0.00006103515625; break;
case -13: gain = 0.0001220703125; break;
case -12: gain = 0.000244140625; break;
case -11: gain = 0.00048828125; break;
case -10: gain = 0.0009765625; break;
case -9: gain = 0.001953125; break;
case -8: gain = 0.00390625; break;
case -7: gain = 0.0078125; break;
case -6: gain = 0.015625; break;
case -5: gain = 0.03125; break;
case -4: gain = 0.0625; break;
case -3: gain = 0.125; break;
case -2: gain = 0.25; break;
case -1: gain = 0.5; break;
case 0: gain = 1.0; break;
case 1: gain = 2.0; break;
case 2: gain = 4.0; break;
case 3: gain = 8.0; break;
case 4: gain = 16.0; break;
case 5: gain = 32.0; break;
case 6: gain = 64.0; break;
case 7: gain = 128.0; break;
case 8: gain = 256.0; break;
case 9: gain = 512.0; break;
case 10: gain = 1024.0; break;
case 11: gain = 2048.0; break;
case 12: gain = 4096.0; break;
case 13: gain = 8192.0; break;
case 14: gain = 16384.0; break;
case 15: gain = 32768.0; break;
case 16: gain = 65536.0; break;
}
//we are directly punching in the gain values rather than calculating them
while (--sampleFrames >= 0)
{
*out1 = *in1 * gain;
*out2 = *in2 * gain;
*in1++;
*in2++;
*out1++;
*out2++;
}
}
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