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126 lines
No EOL
3.5 KiB
C++
Executable file
126 lines
No EOL
3.5 KiB
C++
Executable file
/* ========================================
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* BitShiftGain - BitShiftGain.h
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* Copyright (c) 2016 airwindows, Airwindows uses the MIT license
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* ======================================== */
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#ifndef __BitShiftGain_H
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#include "BitShiftGain.h"
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#endif
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void BitShiftGain::processReplacing(float **inputs, float **outputs, VstInt32 sampleFrames)
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{
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float* in1 = inputs[0];
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float* in2 = inputs[1];
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float* out1 = outputs[0];
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float* out2 = outputs[1];
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int bitshiftGain = (A * 32)-16;
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double gain = 1.0;
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switch (bitshiftGain)
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{
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case -16: gain = 0.0000152587890625; break;
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case -15: gain = 0.000030517578125; break;
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case -14: gain = 0.00006103515625; break;
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case -13: gain = 0.0001220703125; break;
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case -12: gain = 0.000244140625; break;
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case -11: gain = 0.00048828125; break;
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case -10: gain = 0.0009765625; break;
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case -9: gain = 0.001953125; break;
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case -8: gain = 0.00390625; break;
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case -7: gain = 0.0078125; break;
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case -6: gain = 0.015625; break;
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case -5: gain = 0.03125; break;
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case -4: gain = 0.0625; break;
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case -3: gain = 0.125; break;
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case -2: gain = 0.25; break;
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case -1: gain = 0.5; break;
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case 0: gain = 1.0; break;
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case 1: gain = 2.0; break;
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case 2: gain = 4.0; break;
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case 3: gain = 8.0; break;
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case 4: gain = 16.0; break;
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case 5: gain = 32.0; break;
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case 6: gain = 64.0; break;
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case 7: gain = 128.0; break;
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case 8: gain = 256.0; break;
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case 9: gain = 512.0; break;
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case 10: gain = 1024.0; break;
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case 11: gain = 2048.0; break;
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case 12: gain = 4096.0; break;
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case 13: gain = 8192.0; break;
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case 14: gain = 16384.0; break;
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case 15: gain = 32768.0; break;
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case 16: gain = 65536.0; break;
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}
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//we are directly punching in the gain values rather than calculating them
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while (--sampleFrames >= 0)
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{
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*out1 = *in1 * gain;
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*out2 = *in2 * gain;
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*in1++;
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*in2++;
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*out1++;
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*out2++;
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}
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}
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void BitShiftGain::processDoubleReplacing(double **inputs, double **outputs, VstInt32 sampleFrames)
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{
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double* in1 = inputs[0];
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double* in2 = inputs[1];
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double* out1 = outputs[0];
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double* out2 = outputs[1];
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int bitshiftGain = (A * 32)-16;
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double gain = 1.0;
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switch (bitshiftGain)
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{
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case -16: gain = 0.0000152587890625; break;
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case -15: gain = 0.000030517578125; break;
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case -14: gain = 0.00006103515625; break;
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case -13: gain = 0.0001220703125; break;
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case -12: gain = 0.000244140625; break;
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case -11: gain = 0.00048828125; break;
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case -10: gain = 0.0009765625; break;
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case -9: gain = 0.001953125; break;
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case -8: gain = 0.00390625; break;
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case -7: gain = 0.0078125; break;
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case -6: gain = 0.015625; break;
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case -5: gain = 0.03125; break;
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case -4: gain = 0.0625; break;
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case -3: gain = 0.125; break;
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case -2: gain = 0.25; break;
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case -1: gain = 0.5; break;
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case 0: gain = 1.0; break;
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case 1: gain = 2.0; break;
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case 2: gain = 4.0; break;
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case 3: gain = 8.0; break;
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case 4: gain = 16.0; break;
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case 5: gain = 32.0; break;
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case 6: gain = 64.0; break;
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case 7: gain = 128.0; break;
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case 8: gain = 256.0; break;
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case 9: gain = 512.0; break;
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case 10: gain = 1024.0; break;
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case 11: gain = 2048.0; break;
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case 12: gain = 4096.0; break;
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case 13: gain = 8192.0; break;
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case 14: gain = 16384.0; break;
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case 15: gain = 32768.0; break;
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case 16: gain = 65536.0; break;
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}
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//we are directly punching in the gain values rather than calculating them
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while (--sampleFrames >= 0)
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{
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*out1 = *in1 * gain;
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*out2 = *in2 * gain;
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*in1++;
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*in2++;
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*out1++;
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*out2++;
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}
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} |