1 files changed, 126 insertions, 0 deletions
diff --git a/plugins/MacVST/BitShiftGain/source/BitShiftGainProc.cpp b/plugins/MacVST/BitShiftGain/source/BitShiftGainProc.cpp
new file mode 100755
index 0000000..c680ebe
--- /dev/null
+++ b/plugins/MacVST/BitShiftGain/source/BitShiftGainProc.cpp
@@ -0,0 +1,126 @@
+/* ========================================
+ *  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++;
+    }
+}
+\ No newline at end of file