Slew Variations

3 files changed, 532 insertions, 0 deletions

diff --git a/plugins/MacVST/Slew2/source/Slew2.cpp b/plugins/MacVST/Slew2/source/Slew2.cpp
new file mode 100755
index 0000000..99d6314
--- /dev/null
+++ b/plugins/MacVST/Slew2/source/Slew2.cpp
@@ -0,0 +1,138 @@
+/* ========================================
+ *  Slew2 - Slew2.h
+ *  Copyright (c) 2016 airwindows, All rights reserved
+ * ======================================== */
+
+#ifndef __Slew2_H
+#include "Slew2.h"
+#endif
+
+AudioEffect* createEffectInstance(audioMasterCallback audioMaster) {return new Slew2(audioMaster);}
+
+Slew2::Slew2(audioMasterCallback audioMaster) :
+    AudioEffectX(audioMaster, kNumPrograms, kNumParameters)
+{
+	A = 0.0;
+
+	LataLast3Sample = LataLast2Sample = LataLast1Sample = 0.0;
+	LataHalfwaySample = LataHalfDrySample = LataHalfDiffSample = 0.0;
+	LataA = LataB = LataC = LataDrySample = LataDiffSample = LataPrevDiffSample = 0.0;
+	LataUpsampleHighTweak = 0.0414213562373095048801688; //more adds treble to upsampling
+	LataDecay = 0.915965594177219015; //Catalan's constant, more adds focus and clarity
+	lastSampleL = 0.0;
+
+	RataLast3Sample = RataLast2Sample = RataLast1Sample = 0.0;
+	RataHalfwaySample = RataHalfDrySample = RataHalfDiffSample = 0.0;
+	RataA = RataB = RataC = RataDrySample = RataDiffSample = RataPrevDiffSample = 0.0;
+	RataUpsampleHighTweak = 0.0414213562373095048801688; //more adds treble to upsampling
+	RataDecay = 0.915965594177219015; //CRatalan's constant, more adds focus and clarity
+	LataFlip = false; //end reset of antialias parameters
+	RataFlip = false; //end reset of antialias parameters
+	lastSampleR = 0.0;
+	//this is reset: values being initialized only once. Startup values, whatever they are.
+	
+    _canDo.insert("plugAsChannelInsert"); // plug-in can be used as a channel insert effect.
+    _canDo.insert("plugAsSend"); // plug-in can be used as a send effect.
+    _canDo.insert("x2in2out"); 
+    setNumInputs(kNumInputs);
+    setNumOutputs(kNumOutputs);
+    setUniqueID(kUniqueId);
+    canProcessReplacing();     // supports output replacing
+    canDoubleReplacing();      // supports double precision processing
+	programsAreChunks(true);
+    vst_strncpy (_programName, "Default", kVstMaxProgNameLen); // default program name
+}
+
+Slew2::~Slew2() {}
+VstInt32 Slew2::getVendorVersion () {return 1000;}
+void Slew2::setProgramName(char *name) {vst_strncpy (_programName, name, kVstMaxProgNameLen);}
+void Slew2::getProgramName(char *name) {vst_strncpy (name, _programName, kVstMaxProgNameLen);}
+//airwindows likes to ignore this stuff. Make your own programs, and make a different plugin rather than
+//trying to do versioning and preventing people from using older versions. Maybe they like the old one!
+
+static float pinParameter(float data)
+{
+	if (data < 0.0f) return 0.0f;
+	if (data > 1.0f) return 1.0f;
+	return data;
+}
+
+VstInt32 Slew2::getChunk (void** data, bool isPreset)
+{
+	float *chunkData = (float *)calloc(kNumParameters, sizeof(float));
+	chunkData[0] = A;
+	/* Note: The way this is set up, it will break if you manage to save settings on an Intel
+	 machine and load them on a PPC Mac. However, it's fine if you stick to the machine you 
+	 started with. */
+	
+	*data = chunkData;
+	return kNumParameters * sizeof(float);
+}
+
+VstInt32 Slew2::setChunk (void* data, VstInt32 byteSize, bool isPreset)
+{	
+	float *chunkData = (float *)data;
+	A = pinParameter(chunkData[0]);
+	/* We're ignoring byteSize as we found it to be a filthy liar */
+	
+	/* calculate any other fields you need here - you could copy in 
+	 code from setParameter() here. */
+	return 0;
+}
+
+void Slew2::setParameter(VstInt32 index, float value) {
+    switch (index) {
+        case kParamA: A = value; break;
+        default: throw; // unknown parameter, shouldn't happen!
+    }
+	//we can also set other defaults here, and do calculations that only have to happen
+	//once when parameters actually change. Here is the 'popup' setting its (global) values.
+	//variables can also be set in the processreplacing loop, and there they'll be set every buffersize
+	//here they're set when a parameter's actually changed, which should be less frequent, but
+	//you must use global variables in the Slew2.h file to do it.
+}
+
+float Slew2::getParameter(VstInt32 index) {
+    switch (index) {
+        case kParamA: return A; break;
+        default: break; // unknown parameter, shouldn't happen!
+    } return 0.0; //we only need to update the relevant name, this is simple to manage
+}
+
+void Slew2::getParameterName(VstInt32 index, char *text) {
+    switch (index) {
+        case kParamA: vst_strncpy (text, "Clamping", kVstMaxParamStrLen); break;
+        default: break; // unknown parameter, shouldn't happen!
+    } //this is our labels for displaying in the VST host
+}
+
+void Slew2::getParameterDisplay(VstInt32 index, char *text) {
+    switch (index) {
+        case kParamA: float2string (A, text, kVstMaxParamStrLen); break;
+        default: break; // unknown parameter, shouldn't happen!
+	} //this displays the values and handles 'popups' where it's discrete choices
+}
+
+void Slew2::getParameterLabel(VstInt32 index, char *text) {
+    switch (index) {
+        case kParamA: vst_strncpy (text, " ", kVstMaxParamStrLen); break;
+        default: break; // unknown parameter, shouldn't happen!
+    }
+}
+
+VstInt32 Slew2::canDo(char *text) 
+{ return (_canDo.find(text) == _canDo.end()) ? -1: 1; } // 1 = yes, -1 = no, 0 = don't know
+
+bool Slew2::getEffectName(char* name) {
+    vst_strncpy(name, "Slew2", kVstMaxProductStrLen); return true;
+}
+
+VstPlugCategory Slew2::getPlugCategory() {return kPlugCategEffect;}
+
+bool Slew2::getProductString(char* text) {
+  	vst_strncpy (text, "airwindows Slew2", kVstMaxProductStrLen); return true;
+}
+
+bool Slew2::getVendorString(char* text) {
+  	vst_strncpy (text, "airwindows", kVstMaxVendorStrLen); return true;
+}
diff --git a/plugins/MacVST/Slew2/source/Slew2.h b/plugins/MacVST/Slew2/source/Slew2.h
new file mode 100755
index 0000000..c57161f
--- /dev/null
+++ b/plugins/MacVST/Slew2/source/Slew2.h
@@ -0,0 +1,95 @@
+/* ========================================
+ *  Slew2 - Slew2.h
+ *  Created 8/12/11 by SPIAdmin 
+ *  Copyright (c) 2011 __MyCompanyName__, All rights reserved
+ * ======================================== */
+
+#ifndef __Slew2_H
+#define __Slew2_H
+
+#ifndef __audioeffect__
+#include "audioeffectx.h"
+#endif
+
+#include <set>
+#include <string>
+#include <math.h>
+
+enum {
+	kParamA = 0,
+  kNumParameters = 1
+}; //
+
+const int kNumPrograms = 0;
+const int kNumInputs = 2;
+const int kNumOutputs = 2;
+const unsigned long kUniqueId = 'slw2';    //Change this to what the AU identity is!
+
+class Slew2 : 
+    public AudioEffectX 
+{
+public:
+    Slew2(audioMasterCallback audioMaster);
+    ~Slew2();
+    virtual bool getEffectName(char* name);                       // The plug-in name
+    virtual VstPlugCategory getPlugCategory();                    // The general category for the plug-in
+    virtual bool getProductString(char* text);                    // This is a unique plug-in string provided by Steinberg
+    virtual bool getVendorString(char* text);                     // Vendor info
+    virtual VstInt32 getVendorVersion();                          // Version number
+    virtual void processReplacing (float** inputs, float** outputs, VstInt32 sampleFrames);
+    virtual void processDoubleReplacing (double** inputs, double** outputs, VstInt32 sampleFrames);
+    virtual void getProgramName(char *name);                      // read the name from the host
+    virtual void setProgramName(char *name);                      // changes the name of the preset displayed in the host
+	virtual VstInt32 getChunk (void** data, bool isPreset);
+	virtual VstInt32 setChunk (void* data, VstInt32 byteSize, bool isPreset);
+    virtual float getParameter(VstInt32 index);                   // get the parameter value at the specified index
+    virtual void setParameter(VstInt32 index, float value);       // set the parameter at index to value
+    virtual void getParameterLabel(VstInt32 index, char *text);  // label for the parameter (eg dB)
+    virtual void getParameterName(VstInt32 index, char *text);    // name of the parameter
+    virtual void getParameterDisplay(VstInt32 index, char *text); // text description of the current value    
+    virtual VstInt32 canDo(char *text);
+private:
+    char _programName[kVstMaxProgNameLen + 1];
+    std::set< std::string > _canDo;
+    
+	double LataLast3Sample;
+	double LataLast2Sample;
+	double LataLast1Sample;
+	double LataHalfwaySample;
+	double LataHalfDrySample;
+	double LataHalfDiffSample;
+	double LataA;
+	double LataB;
+	double LataC;
+	double LataDecay;
+	double LataUpsampleHighTweak;
+	double LataDrySample;
+	double LataDiffSample;
+	double LataPrevDiffSample;
+	
+	double RataLast3Sample;
+	double RataLast2Sample;
+	double RataLast1Sample;
+	double RataHalfwaySample;
+	double RataHalfDrySample;
+	double RataHalfDiffSample;
+	double RataA;
+	double RataB;
+	double RataC;
+	double RataDecay;
+	double RataUpsampleHighTweak;
+	double RataDrySample;
+	double RataDiffSample;
+	double RataPrevDiffSample;
+	
+	bool LataFlip; //end defining of antialiasing variables
+	bool RataFlip; //end defining of antialiasing variables
+
+	double lastSampleL;
+	double lastSampleR;
+	
+    float A;
+
+};
+
+#endif
diff --git a/plugins/MacVST/Slew2/source/Slew2Proc.cpp b/plugins/MacVST/Slew2/source/Slew2Proc.cpp
new file mode 100755
index 0000000..07b1bb9
--- /dev/null
+++ b/plugins/MacVST/Slew2/source/Slew2Proc.cpp
@@ -0,0 +1,299 @@
+/* ========================================
+ *  Slew2 - Slew2.h
+ *  Copyright (c) 2016 airwindows, All rights reserved
+ * ======================================== */
+
+#ifndef __Slew2_H
+#include "Slew2.h"
+#endif
+
+void Slew2::processReplacing(float **inputs, float **outputs, VstInt32 sampleFrames) 
+{
+    float* in1  =  inputs[0];
+    float* in2  =  inputs[1];
+    float* out1 = outputs[0];
+    float* out2 = outputs[1];
+
+	double overallscale = 2.0;
+	overallscale /= 44100.0;
+	overallscale *= getSampleRate();
+	double clamp;
+	double threshold = pow((1-A),4)/overallscale;
+	double inputSampleL;
+	double inputSampleR;
+	    
+    while (--sampleFrames >= 0)
+    {
+		inputSampleL = *in1;
+		inputSampleR = *in2;
+		if (inputSampleL<1.2e-38 && -inputSampleL<1.2e-38) {
+			static int noisesource = 0;
+			//this declares a variable before anything else is compiled. It won't keep assigning
+			//it to 0 for every sample, it's as if the declaration doesn't exist in this context,
+			//but it lets me add this denormalization fix in a single place rather than updating
+			//it in three different locations. The variable isn't thread-safe but this is only
+			//a random seed and we can share it with whatever.
+			noisesource = noisesource % 1700021; noisesource++;
+			int residue = noisesource * noisesource;
+			residue = residue % 170003; residue *= residue;
+			residue = residue % 17011; residue *= residue;
+			residue = residue % 1709; residue *= residue;
+			residue = residue % 173; residue *= residue;
+			residue = residue % 17;
+			double applyresidue = residue;
+			applyresidue *= 0.00000001;
+			applyresidue *= 0.00000001;
+			inputSampleL = applyresidue;
+		}
+		if (inputSampleR<1.2e-38 && -inputSampleR<1.2e-38) {
+			static int noisesource = 0;
+			noisesource = noisesource % 1700021; noisesource++;
+			int residue = noisesource * noisesource;
+			residue = residue % 170003; residue *= residue;
+			residue = residue % 17011; residue *= residue;
+			residue = residue % 1709; residue *= residue;
+			residue = residue % 173; residue *= residue;
+			residue = residue % 17;
+			double applyresidue = residue;
+			applyresidue *= 0.00000001;
+			applyresidue *= 0.00000001;
+			inputSampleR = applyresidue;
+			//this denormalization routine produces a white noise at -300 dB which the noise
+			//shaping will interact with to produce a bipolar output, but the noise is actually
+			//all positive. That should stop any variables from going denormal, and the routine
+			//only kicks in if digital black is input. As a final touch, if you save to 24-bit
+			//the silence will return to being digital black again.
+		}
+		
+		LataDrySample = inputSampleL;
+		RataDrySample = inputSampleR;
+		
+		LataHalfDrySample = LataHalfwaySample = (inputSampleL + LataLast1Sample + ((-LataLast2Sample + LataLast3Sample) * LataUpsampleHighTweak)) / 2.0;
+		LataLast3Sample = LataLast2Sample; LataLast2Sample = LataLast1Sample; LataLast1Sample = inputSampleL;
+		//setting up oversampled special antialiasing
+		//begin first half- change inputSample -> LataHalfwaySample, LataDrySample -> LataHalfDrySample
+		clamp = LataHalfwaySample - LataHalfDrySample;
+		if (clamp > threshold)
+			LataHalfwaySample = lastSampleL + threshold;
+		if (-clamp > threshold)
+			LataHalfwaySample = lastSampleL - threshold;
+		lastSampleL = LataHalfwaySample;
+		//end first half
+		//begin antialiasing section for halfway sample
+		LataC = LataHalfwaySample - LataHalfDrySample;
+		if (LataFlip) {LataA *= LataDecay; LataB *= LataDecay; LataA += LataC; LataB -= LataC; LataC = LataA;}
+		else {LataB *= LataDecay; LataA *= LataDecay; LataB += LataC; LataA -= LataC; LataC = LataB;}
+		LataHalfDiffSample = (LataC * LataDecay); LataFlip = !LataFlip;
+		//end antialiasing section for halfway sample
+		//begin second half- inputSample and LataDrySample handled separately here
+		clamp = inputSampleL - lastSampleL;
+		if (clamp > threshold)
+			inputSampleL = lastSampleL + threshold;
+		if (-clamp > threshold)
+			inputSampleL = lastSampleL - threshold;
+		lastSampleL = inputSampleL;
+		//end second half
+		//begin antialiasing section for input sample
+		LataC = inputSampleL - LataDrySample;
+		if (LataFlip) {LataA *= LataDecay; LataB *= LataDecay; LataA += LataC; LataB -= LataC; LataC = LataA;}
+		else {LataB *= LataDecay; LataA *= LataDecay; LataB += LataC; LataA -= LataC; LataC = LataB;}
+		LataDiffSample = (LataC * LataDecay); LataFlip = !LataFlip;
+		//end antialiasing section for input sample
+		inputSampleL = LataDrySample; inputSampleL += ((LataDiffSample + LataHalfDiffSample + LataPrevDiffSample) / 0.734);
+		LataPrevDiffSample = LataDiffSample / 2.0;
+		//apply processing as difference to non-oversampled raw input
+
+		
+		
+		
+		RataHalfDrySample = RataHalfwaySample = (inputSampleR + RataLast1Sample + ((-RataLast2Sample + RataLast3Sample) * RataUpsampleHighTweak)) / 2.0;
+		RataLast3Sample = RataLast2Sample; RataLast2Sample = RataLast1Sample; RataLast1Sample = inputSampleR;
+		//setting up oversampled special antialiasing
+		//begin first half- change inputSample -> RataHalfwaySample, RataDrySample -> RataHalfDrySample
+		clamp = RataHalfwaySample - RataHalfDrySample;
+		if (clamp > threshold)
+			RataHalfwaySample = lastSampleR + threshold;
+		if (-clamp > threshold)
+			RataHalfwaySample = lastSampleR - threshold;
+		lastSampleR = RataHalfwaySample;
+		//end first half
+		//begin antialiasing section for halfway sample
+		RataC = RataHalfwaySample - RataHalfDrySample;
+		if (RataFlip) {RataA *= RataDecay; RataB *= RataDecay; RataA += RataC; RataB -= RataC; RataC = RataA;}
+		else {RataB *= RataDecay; RataA *= RataDecay; RataB += RataC; RataA -= RataC; RataC = RataB;}
+		RataHalfDiffSample = (RataC * RataDecay); RataFlip = !RataFlip;
+		//end antialiasing section for halfway sample
+		//begin second half- inputSample and RataDrySample handled separately here
+		clamp = inputSampleR - lastSampleR;
+		if (clamp > threshold)
+			inputSampleR = lastSampleR + threshold;
+		if (-clamp > threshold)
+			inputSampleR = lastSampleR - threshold;
+		lastSampleR = inputSampleR;
+		//end second half
+		//begin antialiasing section for input sample
+		RataC = inputSampleR - RataDrySample;
+		if (RataFlip) {RataA *= RataDecay; RataB *= RataDecay; RataA += RataC; RataB -= RataC; RataC = RataA;}
+		else {RataB *= RataDecay; RataA *= RataDecay; RataB += RataC; RataA -= RataC; RataC = RataB;}
+		RataDiffSample = (RataC * RataDecay); RataFlip = !RataFlip;
+		//end antialiasing section for input sample
+		inputSampleR = RataDrySample; inputSampleR += ((RataDiffSample + RataHalfDiffSample + RataPrevDiffSample) / 0.734);
+		RataPrevDiffSample = RataDiffSample / 2.0;
+		//apply processing as difference to non-oversampled raw input
+		
+
+
+		
+		*out1 = inputSampleL;
+		*out2 = inputSampleR;
+
+		*in1++;
+		*in2++;
+		*out1++;
+		*out2++;
+    }
+}
+
+void Slew2::processDoubleReplacing(double **inputs, double **outputs, VstInt32 sampleFrames) 
+{
+    double* in1  =  inputs[0];
+    double* in2  =  inputs[1];
+    double* out1 = outputs[0];
+    double* out2 = outputs[1];
+
+	double overallscale = 2.0;
+	overallscale /= 44100.0;
+	overallscale *= getSampleRate();
+	double clamp;
+	double threshold = pow((1-A),4)/overallscale;
+	double inputSampleL;
+	double inputSampleR;
+
+    while (--sampleFrames >= 0)
+    {
+		inputSampleL = *in1;
+		inputSampleR = *in2;
+		if (inputSampleL<1.2e-38 && -inputSampleL<1.2e-38) {
+			static int noisesource = 0;
+			//this declares a variable before anything else is compiled. It won't keep assigning
+			//it to 0 for every sample, it's as if the declaration doesn't exist in this context,
+			//but it lets me add this denormalization fix in a single place rather than updating
+			//it in three different locations. The variable isn't thread-safe but this is only
+			//a random seed and we can share it with whatever.
+			noisesource = noisesource % 1700021; noisesource++;
+			int residue = noisesource * noisesource;
+			residue = residue % 170003; residue *= residue;
+			residue = residue % 17011; residue *= residue;
+			residue = residue % 1709; residue *= residue;
+			residue = residue % 173; residue *= residue;
+			residue = residue % 17;
+			double applyresidue = residue;
+			applyresidue *= 0.00000001;
+			applyresidue *= 0.00000001;
+			inputSampleL = applyresidue;
+		}
+		if (inputSampleR<1.2e-38 && -inputSampleR<1.2e-38) {
+			static int noisesource = 0;
+			noisesource = noisesource % 1700021; noisesource++;
+			int residue = noisesource * noisesource;
+			residue = residue % 170003; residue *= residue;
+			residue = residue % 17011; residue *= residue;
+			residue = residue % 1709; residue *= residue;
+			residue = residue % 173; residue *= residue;
+			residue = residue % 17;
+			double applyresidue = residue;
+			applyresidue *= 0.00000001;
+			applyresidue *= 0.00000001;
+			inputSampleR = applyresidue;
+			//this denormalization routine produces a white noise at -300 dB which the noise
+			//shaping will interact with to produce a bipolar output, but the noise is actually
+			//all positive. That should stop any variables from going denormal, and the routine
+			//only kicks in if digital black is input. As a final touch, if you save to 24-bit
+			//the silence will return to being digital black again.
+		}
+		
+		LataDrySample = inputSampleL;
+		RataDrySample = inputSampleR;
+		
+		LataHalfDrySample = LataHalfwaySample = (inputSampleL + LataLast1Sample + ((-LataLast2Sample + LataLast3Sample) * LataUpsampleHighTweak)) / 2.0;
+		LataLast3Sample = LataLast2Sample; LataLast2Sample = LataLast1Sample; LataLast1Sample = inputSampleL;
+		//setting up oversampled special antialiasing
+		//begin first half- change inputSample -> LataHalfwaySample, LataDrySample -> LataHalfDrySample
+		clamp = LataHalfwaySample - LataHalfDrySample;
+		if (clamp > threshold)
+			LataHalfwaySample = lastSampleL + threshold;
+		if (-clamp > threshold)
+			LataHalfwaySample = lastSampleL - threshold;
+		lastSampleL = LataHalfwaySample;
+		//end first half
+		//begin antialiasing section for halfway sample
+		LataC = LataHalfwaySample - LataHalfDrySample;
+		if (LataFlip) {LataA *= LataDecay; LataB *= LataDecay; LataA += LataC; LataB -= LataC; LataC = LataA;}
+		else {LataB *= LataDecay; LataA *= LataDecay; LataB += LataC; LataA -= LataC; LataC = LataB;}
+		LataHalfDiffSample = (LataC * LataDecay); LataFlip = !LataFlip;
+		//end antialiasing section for halfway sample
+		//begin second half- inputSample and LataDrySample handled separately here
+		clamp = inputSampleL - lastSampleL;
+		if (clamp > threshold)
+			inputSampleL = lastSampleL + threshold;
+		if (-clamp > threshold)
+			inputSampleL = lastSampleL - threshold;
+		lastSampleL = inputSampleL;
+		//end second half
+		//begin antialiasing section for input sample
+		LataC = inputSampleL - LataDrySample;
+		if (LataFlip) {LataA *= LataDecay; LataB *= LataDecay; LataA += LataC; LataB -= LataC; LataC = LataA;}
+		else {LataB *= LataDecay; LataA *= LataDecay; LataB += LataC; LataA -= LataC; LataC = LataB;}
+		LataDiffSample = (LataC * LataDecay); LataFlip = !LataFlip;
+		//end antialiasing section for input sample
+		inputSampleL = LataDrySample; inputSampleL += ((LataDiffSample + LataHalfDiffSample + LataPrevDiffSample) / 0.734);
+		LataPrevDiffSample = LataDiffSample / 2.0;
+		//apply processing as difference to non-oversampled raw input
+		
+		
+		
+		
+		RataHalfDrySample = RataHalfwaySample = (inputSampleR + RataLast1Sample + ((-RataLast2Sample + RataLast3Sample) * RataUpsampleHighTweak)) / 2.0;
+		RataLast3Sample = RataLast2Sample; RataLast2Sample = RataLast1Sample; RataLast1Sample = inputSampleR;
+		//setting up oversampled special antialiasing
+		//begin first half- change inputSample -> RataHalfwaySample, RataDrySample -> RataHalfDrySample
+		clamp = RataHalfwaySample - RataHalfDrySample;
+		if (clamp > threshold)
+			RataHalfwaySample = lastSampleR + threshold;
+		if (-clamp > threshold)
+			RataHalfwaySample = lastSampleR - threshold;
+		lastSampleR = RataHalfwaySample;
+		//end first half
+		//begin antialiasing section for halfway sample
+		RataC = RataHalfwaySample - RataHalfDrySample;
+		if (RataFlip) {RataA *= RataDecay; RataB *= RataDecay; RataA += RataC; RataB -= RataC; RataC = RataA;}
+		else {RataB *= RataDecay; RataA *= RataDecay; RataB += RataC; RataA -= RataC; RataC = RataB;}
+		RataHalfDiffSample = (RataC * RataDecay); RataFlip = !RataFlip;
+		//end antialiasing section for halfway sample
+		//begin second half- inputSample and RataDrySample handled separately here
+		clamp = inputSampleR - lastSampleR;
+		if (clamp > threshold)
+			inputSampleR = lastSampleR + threshold;
+		if (-clamp > threshold)
+			inputSampleR = lastSampleR - threshold;
+		lastSampleR = inputSampleR;
+		//end second half
+		//begin antialiasing section for input sample
+		RataC = inputSampleR - RataDrySample;
+		if (RataFlip) {RataA *= RataDecay; RataB *= RataDecay; RataA += RataC; RataB -= RataC; RataC = RataA;}
+		else {RataB *= RataDecay; RataA *= RataDecay; RataB += RataC; RataA -= RataC; RataC = RataB;}
+		RataDiffSample = (RataC * RataDecay); RataFlip = !RataFlip;
+		//end antialiasing section for input sample
+		inputSampleR = RataDrySample; inputSampleR += ((RataDiffSample + RataHalfDiffSample + RataPrevDiffSample) / 0.734);
+		RataPrevDiffSample = RataDiffSample / 2.0;
+		//apply processing as difference to non-oversampled raw input
+		
+		*out1 = inputSampleL;
+		*out2 = inputSampleR;
+
+		*in1++;
+		*in2++;
+		*out1++;
+		*out2++;
+    }
+}
\ No newline at end of file