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authorairwindows <jinx6568@sover.net>2018-04-22 23:14:21 -0400
committerairwindows <jinx6568@sover.net>2018-04-22 23:14:21 -0400
commit77480fdccec98b86af77977b3b905b0a3ad9aadf (patch)
tree3b24e07e7ff37bbbddbc04627c74ce1018e30cf7 /plugins/LinuxVST/src
parent82e70dbcde93a0ae9cdbeaf7c6dd1f224c9e27ad (diff)
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Aura
Diffstat (limited to 'plugins/LinuxVST/src')
-rwxr-xr-xplugins/LinuxVST/src/Aura/Aura.cpp140
-rwxr-xr-xplugins/LinuxVST/src/Aura/Aura.h76
-rwxr-xr-xplugins/LinuxVST/src/Aura/AuraProc.cpp476
3 files changed, 692 insertions, 0 deletions
diff --git a/plugins/LinuxVST/src/Aura/Aura.cpp b/plugins/LinuxVST/src/Aura/Aura.cpp
new file mode 100755
index 0000000..d011564
--- /dev/null
+++ b/plugins/LinuxVST/src/Aura/Aura.cpp
@@ -0,0 +1,140 @@
+/* ========================================
+ * Aura - Aura.h
+ * Copyright (c) 2016 airwindows, All rights reserved
+ * ======================================== */
+
+#ifndef __Aura_H
+#include "Aura.h"
+#endif
+
+AudioEffect* createEffectInstance(audioMasterCallback audioMaster) {return new Aura(audioMaster);}
+
+Aura::Aura(audioMasterCallback audioMaster) :
+ AudioEffectX(audioMaster, kNumPrograms, kNumParameters)
+{
+ A = 0.5;
+ B = 1.0;
+ for(int count = 0; count < 21; count++) {
+ bL[count] = 0.0;
+ bR[count] = 0.0;
+ f[count] = 0.0;
+ }
+ lastSampleL = 0.0;
+ previousVelocityL = 0.0;
+ lastSampleR = 0.0;
+ previousVelocityR = 0.0;
+
+ fpNShapeLA = 0.0;
+ fpNShapeLB = 0.0;
+ fpNShapeRA = 0.0;
+ fpNShapeRB = 0.0;
+ fpFlip = true;
+ //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
+}
+
+Aura::~Aura() {}
+VstInt32 Aura::getVendorVersion () {return 1000;}
+void Aura::setProgramName(char *name) {vst_strncpy (_programName, name, kVstMaxProgNameLen);}
+void Aura::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 Aura::getChunk (void** data, bool isPreset)
+{
+ float *chunkData = (float *)calloc(kNumParameters, sizeof(float));
+ chunkData[0] = A;
+ chunkData[1] = B;
+ /* 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 Aura::setChunk (void* data, VstInt32 byteSize, bool isPreset)
+{
+ float *chunkData = (float *)data;
+ A = pinParameter(chunkData[0]);
+ B = pinParameter(chunkData[1]);
+ /* 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 Aura::setParameter(VstInt32 index, float value) {
+ switch (index) {
+ case kParamA: A = value; break;
+ case kParamB: B = value; break;
+ default: throw; // unknown parameter, shouldn't happen!
+ }
+}
+
+float Aura::getParameter(VstInt32 index) {
+ switch (index) {
+ case kParamA: return A; break;
+ case kParamB: return B; 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 Aura::getParameterName(VstInt32 index, char *text) {
+ switch (index) {
+ case kParamA: vst_strncpy (text, "Voicing", kVstMaxParamStrLen); break;
+ case kParamB: vst_strncpy (text, "Dry/Wet", kVstMaxParamStrLen); break;
+ default: break; // unknown parameter, shouldn't happen!
+ } //this is our labels for displaying in the VST host
+}
+
+void Aura::getParameterDisplay(VstInt32 index, char *text) {
+ switch (index) {
+ case kParamA: float2string (A, text, kVstMaxParamStrLen); break;
+ case kParamB: float2string (B, text, kVstMaxParamStrLen); break;
+ default: break; // unknown parameter, shouldn't happen!
+ } //this displays the values and handles 'popups' where it's discrete choices
+}
+
+void Aura::getParameterLabel(VstInt32 index, char *text) {
+ switch (index) {
+ case kParamA: vst_strncpy (text, "", kVstMaxParamStrLen); break;
+ case kParamB: vst_strncpy (text, "", kVstMaxParamStrLen); break;
+ default: break; // unknown parameter, shouldn't happen!
+ }
+}
+
+VstInt32 Aura::canDo(char *text)
+{ return (_canDo.find(text) == _canDo.end()) ? -1: 1; } // 1 = yes, -1 = no, 0 = don't know
+
+bool Aura::getEffectName(char* name) {
+ vst_strncpy(name, "Aura", kVstMaxProductStrLen); return true;
+}
+
+VstPlugCategory Aura::getPlugCategory() {return kPlugCategEffect;}
+
+bool Aura::getProductString(char* text) {
+ vst_strncpy (text, "airwindows Aura", kVstMaxProductStrLen); return true;
+}
+
+bool Aura::getVendorString(char* text) {
+ vst_strncpy (text, "airwindows", kVstMaxVendorStrLen); return true;
+}
diff --git a/plugins/LinuxVST/src/Aura/Aura.h b/plugins/LinuxVST/src/Aura/Aura.h
new file mode 100755
index 0000000..557169d
--- /dev/null
+++ b/plugins/LinuxVST/src/Aura/Aura.h
@@ -0,0 +1,76 @@
+/* ========================================
+ * Aura - Aura.h
+ * Created 8/12/11 by SPIAdmin
+ * Copyright (c) 2011 __MyCompanyName__, All rights reserved
+ * ======================================== */
+
+#ifndef __Aura_H
+#define __Aura_H
+
+#ifndef __audioeffect__
+#include "audioeffectx.h"
+#endif
+
+#include <set>
+#include <string>
+#include <math.h>
+
+enum {
+ kParamA = 0,
+ kParamB = 1,
+ kNumParameters = 2
+}; //
+
+const int kNumPrograms = 0;
+const int kNumInputs = 2;
+const int kNumOutputs = 2;
+const unsigned long kUniqueId = 'aura'; //Change this to what the AU identity is!
+
+class Aura :
+ public AudioEffectX
+{
+public:
+ Aura(audioMasterCallback audioMaster);
+ ~Aura();
+ 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;
+
+ long double fpNShapeLA;
+ long double fpNShapeLB;
+ long double fpNShapeRA;
+ long double fpNShapeRB;
+ bool fpFlip;
+ //default stuff
+ long double lastSampleL;
+ double previousVelocityL;
+ long double lastSampleR;
+ double previousVelocityR;
+
+ double bL[21];
+ double bR[21];
+ double f[21];
+
+
+ float A;
+ float B;
+};
+
+#endif
diff --git a/plugins/LinuxVST/src/Aura/AuraProc.cpp b/plugins/LinuxVST/src/Aura/AuraProc.cpp
new file mode 100755
index 0000000..daf54d6
--- /dev/null
+++ b/plugins/LinuxVST/src/Aura/AuraProc.cpp
@@ -0,0 +1,476 @@
+/* ========================================
+ * Aura - Aura.h
+ * Copyright (c) 2016 airwindows, All rights reserved
+ * ======================================== */
+
+#ifndef __Aura_H
+#include "Aura.h"
+#endif
+
+void Aura::processReplacing(float **inputs, float **outputs, VstInt32 sampleFrames)
+{
+ float* in1 = inputs[0];
+ float* in2 = inputs[1];
+ float* out1 = outputs[0];
+ float* out2 = outputs[1];
+
+ float fpTemp;
+ long double fpOld = 0.618033988749894848204586; //golden ratio!
+ long double fpNew = 1.0 - fpOld;
+
+ double correctionL;
+ double correctionR;
+ double accumulatorSampleL;
+ double accumulatorSampleR;
+ double velocityL;
+ double velocityR;
+ double trim = A;
+ double wet = B;
+ double dry = 1.0 - wet;
+ double overallscale = trim * 10.0;
+ double gain = overallscale + (pow(wet,3) * 0.187859642462067);
+ trim *= (1.0 - (pow(wet,3) * 0.187859642462067));
+ long double inputSampleL;
+ long double inputSampleR;
+ double drySampleL;
+ double drySampleR;
+
+ if (gain < 1.0) gain = 1.0;
+ if (gain > 1.0) {f[0] = 1.0; gain -= 1.0;} else {f[0] = gain; gain = 0.0;}
+ if (gain > 1.0) {f[1] = 1.0; gain -= 1.0;} else {f[1] = gain; gain = 0.0;}
+ if (gain > 1.0) {f[2] = 1.0; gain -= 1.0;} else {f[2] = gain; gain = 0.0;}
+ if (gain > 1.0) {f[3] = 1.0; gain -= 1.0;} else {f[3] = gain; gain = 0.0;}
+ if (gain > 1.0) {f[4] = 1.0; gain -= 1.0;} else {f[4] = gain; gain = 0.0;}
+ if (gain > 1.0) {f[5] = 1.0; gain -= 1.0;} else {f[5] = gain; gain = 0.0;}
+ if (gain > 1.0) {f[6] = 1.0; gain -= 1.0;} else {f[6] = gain; gain = 0.0;}
+ if (gain > 1.0) {f[7] = 1.0; gain -= 1.0;} else {f[7] = gain; gain = 0.0;}
+ if (gain > 1.0) {f[8] = 1.0; gain -= 1.0;} else {f[8] = gain; gain = 0.0;}
+ if (gain > 1.0) {f[9] = 1.0; gain -= 1.0;} else {f[9] = gain; gain = 0.0;}
+ if (gain > 1.0) {f[10] = 1.0; gain -= 1.0;} else {f[10] = gain; gain = 0.0;}
+ if (gain > 1.0) {f[11] = 1.0; gain -= 1.0;} else {f[11] = gain; gain = 0.0;}
+ if (gain > 1.0) {f[12] = 1.0; gain -= 1.0;} else {f[12] = gain; gain = 0.0;}
+ if (gain > 1.0) {f[13] = 1.0; gain -= 1.0;} else {f[13] = gain; gain = 0.0;}
+ if (gain > 1.0) {f[14] = 1.0; gain -= 1.0;} else {f[14] = gain; gain = 0.0;}
+ if (gain > 1.0) {f[15] = 1.0; gain -= 1.0;} else {f[15] = gain; gain = 0.0;}
+ if (gain > 1.0) {f[16] = 1.0; gain -= 1.0;} else {f[16] = gain; gain = 0.0;}
+ if (gain > 1.0) {f[17] = 1.0; gain -= 1.0;} else {f[17] = gain; gain = 0.0;}
+ if (gain > 1.0) {f[18] = 1.0; gain -= 1.0;} else {f[18] = gain; gain = 0.0;}
+ if (gain > 1.0) {f[19] = 1.0; gain -= 1.0;} else {f[19] = gain; gain = 0.0;}
+
+ //there, now we have a neat little moving average with remainders
+
+ if (overallscale < 1.0) overallscale = 1.0;
+ f[0] /= overallscale;
+ f[1] /= overallscale;
+ f[2] /= overallscale;
+ f[3] /= overallscale;
+ f[4] /= overallscale;
+ f[5] /= overallscale;
+ f[6] /= overallscale;
+ f[7] /= overallscale;
+ f[8] /= overallscale;
+ f[9] /= overallscale;
+ f[10] /= overallscale;
+ f[11] /= overallscale;
+ f[12] /= overallscale;
+ f[13] /= overallscale;
+ f[14] /= overallscale;
+ f[15] /= overallscale;
+ f[16] /= overallscale;
+ f[17] /= overallscale;
+ f[18] /= overallscale;
+ f[19] /= overallscale;
+ //and now it's neatly scaled, too
+
+ 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.
+ }
+ drySampleL = inputSampleL;
+ drySampleR = inputSampleR;
+
+ velocityL = lastSampleL - inputSampleL;
+ correctionL = previousVelocityL - velocityL;
+
+ bL[19] = bL[18]; bL[18] = bL[17]; bL[17] = bL[16]; bL[16] = bL[15];
+ bL[15] = bL[14]; bL[14] = bL[13]; bL[13] = bL[12]; bL[12] = bL[11];
+ bL[11] = bL[10]; bL[10] = bL[9];
+ bL[9] = bL[8]; bL[8] = bL[7]; bL[7] = bL[6]; bL[6] = bL[5];
+ bL[5] = bL[4]; bL[4] = bL[3]; bL[3] = bL[2]; bL[2] = bL[1];
+ bL[1] = bL[0]; bL[0] = accumulatorSampleL = correctionL;
+
+ //we are accumulating rates of change of the rate of change
+
+ accumulatorSampleL *= f[0];
+ accumulatorSampleL += (bL[1] * f[1]);
+ accumulatorSampleL += (bL[2] * f[2]);
+ accumulatorSampleL += (bL[3] * f[3]);
+ accumulatorSampleL += (bL[4] * f[4]);
+ accumulatorSampleL += (bL[5] * f[5]);
+ accumulatorSampleL += (bL[6] * f[6]);
+ accumulatorSampleL += (bL[7] * f[7]);
+ accumulatorSampleL += (bL[8] * f[8]);
+ accumulatorSampleL += (bL[9] * f[9]);
+ accumulatorSampleL += (bL[10] * f[10]);
+ accumulatorSampleL += (bL[11] * f[11]);
+ accumulatorSampleL += (bL[12] * f[12]);
+ accumulatorSampleL += (bL[13] * f[13]);
+ accumulatorSampleL += (bL[14] * f[14]);
+ accumulatorSampleL += (bL[15] * f[15]);
+ accumulatorSampleL += (bL[16] * f[16]);
+ accumulatorSampleL += (bL[17] * f[17]);
+ accumulatorSampleL += (bL[18] * f[18]);
+ accumulatorSampleL += (bL[19] * f[19]);
+
+ velocityL = previousVelocityL + accumulatorSampleL;
+ inputSampleL = lastSampleL + velocityL;
+ lastSampleL = inputSampleL;
+ previousVelocityL = -velocityL * pow(trim,2);
+ //left channel done
+
+ velocityR = lastSampleR - inputSampleR;
+ correctionR = previousVelocityR - velocityR;
+
+ bR[19] = bR[18]; bR[18] = bR[17]; bR[17] = bR[16]; bR[16] = bR[15];
+ bR[15] = bR[14]; bR[14] = bR[13]; bR[13] = bR[12]; bR[12] = bR[11];
+ bR[11] = bR[10]; bR[10] = bR[9];
+ bR[9] = bR[8]; bR[8] = bR[7]; bR[7] = bR[6]; bR[6] = bR[5];
+ bR[5] = bR[4]; bR[4] = bR[3]; bR[3] = bR[2]; bR[2] = bR[1];
+ bR[1] = bR[0]; bR[0] = accumulatorSampleR = correctionR;
+
+ //we are accumulating rates of change of the rate of change
+
+ accumulatorSampleR *= f[0];
+ accumulatorSampleR += (bR[1] * f[1]);
+ accumulatorSampleR += (bR[2] * f[2]);
+ accumulatorSampleR += (bR[3] * f[3]);
+ accumulatorSampleR += (bR[4] * f[4]);
+ accumulatorSampleR += (bR[5] * f[5]);
+ accumulatorSampleR += (bR[6] * f[6]);
+ accumulatorSampleR += (bR[7] * f[7]);
+ accumulatorSampleR += (bR[8] * f[8]);
+ accumulatorSampleR += (bR[9] * f[9]);
+ accumulatorSampleR += (bR[10] * f[10]);
+ accumulatorSampleR += (bR[11] * f[11]);
+ accumulatorSampleR += (bR[12] * f[12]);
+ accumulatorSampleR += (bR[13] * f[13]);
+ accumulatorSampleR += (bR[14] * f[14]);
+ accumulatorSampleR += (bR[15] * f[15]);
+ accumulatorSampleR += (bR[16] * f[16]);
+ accumulatorSampleR += (bR[17] * f[17]);
+ accumulatorSampleR += (bR[18] * f[18]);
+ accumulatorSampleR += (bR[19] * f[19]);
+ //we are doing our repetitive calculations on a separate value
+
+ velocityR = previousVelocityR + accumulatorSampleR;
+ inputSampleR = lastSampleR + velocityR;
+ lastSampleR = inputSampleR;
+ previousVelocityR = -velocityR * pow(trim,2);
+ //right channel done
+
+ if (wet !=1.0) {
+ inputSampleL = (inputSampleL * wet) + (drySampleL * dry);
+ inputSampleR = (inputSampleR * wet) + (drySampleR * dry);
+ }
+
+ //noise shaping to 32-bit floating point
+ if (fpFlip) {
+ fpTemp = inputSampleL;
+ fpNShapeLA = (fpNShapeLA*fpOld)+((inputSampleL-fpTemp)*fpNew);
+ inputSampleL += fpNShapeLA;
+ fpTemp = inputSampleR;
+ fpNShapeRA = (fpNShapeRA*fpOld)+((inputSampleR-fpTemp)*fpNew);
+ inputSampleR += fpNShapeRA;
+ }
+ else {
+ fpTemp = inputSampleL;
+ fpNShapeLB = (fpNShapeLB*fpOld)+((inputSampleL-fpTemp)*fpNew);
+ inputSampleL += fpNShapeLB;
+ fpTemp = inputSampleR;
+ fpNShapeRB = (fpNShapeRB*fpOld)+((inputSampleR-fpTemp)*fpNew);
+ inputSampleR += fpNShapeRB;
+ }
+ fpFlip = !fpFlip;
+ //end noise shaping on 32 bit output
+
+ *out1 = inputSampleL;
+ *out2 = inputSampleR;
+
+ *in1++;
+ *in2++;
+ *out1++;
+ *out2++;
+ }
+}
+
+void Aura::processDoubleReplacing(double **inputs, double **outputs, VstInt32 sampleFrames)
+{
+ double* in1 = inputs[0];
+ double* in2 = inputs[1];
+ double* out1 = outputs[0];
+ double* out2 = outputs[1];
+
+ double fpTemp;
+ long double fpOld = 0.618033988749894848204586; //golden ratio!
+ long double fpNew = 1.0 - fpOld;
+
+ double correctionL;
+ double correctionR;
+ double accumulatorSampleL;
+ double accumulatorSampleR;
+ double velocityL;
+ double velocityR;
+ double trim = A;
+ double wet = B;
+ double dry = 1.0 - wet;
+ double overallscale = trim * 10.0;
+ double gain = overallscale + (pow(wet,3) * 0.187859642462067);
+ trim *= (1.0 - (pow(wet,3) * 0.187859642462067));
+ long double inputSampleL;
+ long double inputSampleR;
+ double drySampleL;
+ double drySampleR;
+
+ if (gain < 1.0) gain = 1.0;
+ if (gain > 1.0) {f[0] = 1.0; gain -= 1.0;} else {f[0] = gain; gain = 0.0;}
+ if (gain > 1.0) {f[1] = 1.0; gain -= 1.0;} else {f[1] = gain; gain = 0.0;}
+ if (gain > 1.0) {f[2] = 1.0; gain -= 1.0;} else {f[2] = gain; gain = 0.0;}
+ if (gain > 1.0) {f[3] = 1.0; gain -= 1.0;} else {f[3] = gain; gain = 0.0;}
+ if (gain > 1.0) {f[4] = 1.0; gain -= 1.0;} else {f[4] = gain; gain = 0.0;}
+ if (gain > 1.0) {f[5] = 1.0; gain -= 1.0;} else {f[5] = gain; gain = 0.0;}
+ if (gain > 1.0) {f[6] = 1.0; gain -= 1.0;} else {f[6] = gain; gain = 0.0;}
+ if (gain > 1.0) {f[7] = 1.0; gain -= 1.0;} else {f[7] = gain; gain = 0.0;}
+ if (gain > 1.0) {f[8] = 1.0; gain -= 1.0;} else {f[8] = gain; gain = 0.0;}
+ if (gain > 1.0) {f[9] = 1.0; gain -= 1.0;} else {f[9] = gain; gain = 0.0;}
+ if (gain > 1.0) {f[10] = 1.0; gain -= 1.0;} else {f[10] = gain; gain = 0.0;}
+ if (gain > 1.0) {f[11] = 1.0; gain -= 1.0;} else {f[11] = gain; gain = 0.0;}
+ if (gain > 1.0) {f[12] = 1.0; gain -= 1.0;} else {f[12] = gain; gain = 0.0;}
+ if (gain > 1.0) {f[13] = 1.0; gain -= 1.0;} else {f[13] = gain; gain = 0.0;}
+ if (gain > 1.0) {f[14] = 1.0; gain -= 1.0;} else {f[14] = gain; gain = 0.0;}
+ if (gain > 1.0) {f[15] = 1.0; gain -= 1.0;} else {f[15] = gain; gain = 0.0;}
+ if (gain > 1.0) {f[16] = 1.0; gain -= 1.0;} else {f[16] = gain; gain = 0.0;}
+ if (gain > 1.0) {f[17] = 1.0; gain -= 1.0;} else {f[17] = gain; gain = 0.0;}
+ if (gain > 1.0) {f[18] = 1.0; gain -= 1.0;} else {f[18] = gain; gain = 0.0;}
+ if (gain > 1.0) {f[19] = 1.0; gain -= 1.0;} else {f[19] = gain; gain = 0.0;}
+
+ //there, now we have a neat little moving average with remainders
+
+ if (overallscale < 1.0) overallscale = 1.0;
+ f[0] /= overallscale;
+ f[1] /= overallscale;
+ f[2] /= overallscale;
+ f[3] /= overallscale;
+ f[4] /= overallscale;
+ f[5] /= overallscale;
+ f[6] /= overallscale;
+ f[7] /= overallscale;
+ f[8] /= overallscale;
+ f[9] /= overallscale;
+ f[10] /= overallscale;
+ f[11] /= overallscale;
+ f[12] /= overallscale;
+ f[13] /= overallscale;
+ f[14] /= overallscale;
+ f[15] /= overallscale;
+ f[16] /= overallscale;
+ f[17] /= overallscale;
+ f[18] /= overallscale;
+ f[19] /= overallscale;
+ //and now it's neatly scaled, too
+
+ 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.
+ }
+ drySampleL = inputSampleL;
+ drySampleR = inputSampleR;
+
+ velocityL = lastSampleL - inputSampleL;
+ correctionL = previousVelocityL - velocityL;
+
+ bL[19] = bL[18]; bL[18] = bL[17]; bL[17] = bL[16]; bL[16] = bL[15];
+ bL[15] = bL[14]; bL[14] = bL[13]; bL[13] = bL[12]; bL[12] = bL[11];
+ bL[11] = bL[10]; bL[10] = bL[9];
+ bL[9] = bL[8]; bL[8] = bL[7]; bL[7] = bL[6]; bL[6] = bL[5];
+ bL[5] = bL[4]; bL[4] = bL[3]; bL[3] = bL[2]; bL[2] = bL[1];
+ bL[1] = bL[0]; bL[0] = accumulatorSampleL = correctionL;
+
+ //we are accumulating rates of change of the rate of change
+
+ accumulatorSampleL *= f[0];
+ accumulatorSampleL += (bL[1] * f[1]);
+ accumulatorSampleL += (bL[2] * f[2]);
+ accumulatorSampleL += (bL[3] * f[3]);
+ accumulatorSampleL += (bL[4] * f[4]);
+ accumulatorSampleL += (bL[5] * f[5]);
+ accumulatorSampleL += (bL[6] * f[6]);
+ accumulatorSampleL += (bL[7] * f[7]);
+ accumulatorSampleL += (bL[8] * f[8]);
+ accumulatorSampleL += (bL[9] * f[9]);
+ accumulatorSampleL += (bL[10] * f[10]);
+ accumulatorSampleL += (bL[11] * f[11]);
+ accumulatorSampleL += (bL[12] * f[12]);
+ accumulatorSampleL += (bL[13] * f[13]);
+ accumulatorSampleL += (bL[14] * f[14]);
+ accumulatorSampleL += (bL[15] * f[15]);
+ accumulatorSampleL += (bL[16] * f[16]);
+ accumulatorSampleL += (bL[17] * f[17]);
+ accumulatorSampleL += (bL[18] * f[18]);
+ accumulatorSampleL += (bL[19] * f[19]);
+
+ velocityL = previousVelocityL + accumulatorSampleL;
+ inputSampleL = lastSampleL + velocityL;
+ lastSampleL = inputSampleL;
+ previousVelocityL = -velocityL * pow(trim,2);
+ //left channel done
+
+ velocityR = lastSampleR - inputSampleR;
+ correctionR = previousVelocityR - velocityR;
+
+ bR[19] = bR[18]; bR[18] = bR[17]; bR[17] = bR[16]; bR[16] = bR[15];
+ bR[15] = bR[14]; bR[14] = bR[13]; bR[13] = bR[12]; bR[12] = bR[11];
+ bR[11] = bR[10]; bR[10] = bR[9];
+ bR[9] = bR[8]; bR[8] = bR[7]; bR[7] = bR[6]; bR[6] = bR[5];
+ bR[5] = bR[4]; bR[4] = bR[3]; bR[3] = bR[2]; bR[2] = bR[1];
+ bR[1] = bR[0]; bR[0] = accumulatorSampleR = correctionR;
+
+ //we are accumulating rates of change of the rate of change
+
+ accumulatorSampleR *= f[0];
+ accumulatorSampleR += (bR[1] * f[1]);
+ accumulatorSampleR += (bR[2] * f[2]);
+ accumulatorSampleR += (bR[3] * f[3]);
+ accumulatorSampleR += (bR[4] * f[4]);
+ accumulatorSampleR += (bR[5] * f[5]);
+ accumulatorSampleR += (bR[6] * f[6]);
+ accumulatorSampleR += (bR[7] * f[7]);
+ accumulatorSampleR += (bR[8] * f[8]);
+ accumulatorSampleR += (bR[9] * f[9]);
+ accumulatorSampleR += (bR[10] * f[10]);
+ accumulatorSampleR += (bR[11] * f[11]);
+ accumulatorSampleR += (bR[12] * f[12]);
+ accumulatorSampleR += (bR[13] * f[13]);
+ accumulatorSampleR += (bR[14] * f[14]);
+ accumulatorSampleR += (bR[15] * f[15]);
+ accumulatorSampleR += (bR[16] * f[16]);
+ accumulatorSampleR += (bR[17] * f[17]);
+ accumulatorSampleR += (bR[18] * f[18]);
+ accumulatorSampleR += (bR[19] * f[19]);
+ //we are doing our repetitive calculations on a separate value
+
+ velocityR = previousVelocityR + accumulatorSampleR;
+ inputSampleR = lastSampleR + velocityR;
+ lastSampleR = inputSampleR;
+ previousVelocityR = -velocityR * pow(trim,2);
+ //right channel done
+
+ if (wet !=1.0) {
+ inputSampleL = (inputSampleL * wet) + (drySampleL * dry);
+ inputSampleR = (inputSampleR * wet) + (drySampleR * dry);
+ }
+
+ //noise shaping to 64-bit floating point
+ if (fpFlip) {
+ fpTemp = inputSampleL;
+ fpNShapeLA = (fpNShapeLA*fpOld)+((inputSampleL-fpTemp)*fpNew);
+ inputSampleL += fpNShapeLA;
+ fpTemp = inputSampleR;
+ fpNShapeRA = (fpNShapeRA*fpOld)+((inputSampleR-fpTemp)*fpNew);
+ inputSampleR += fpNShapeRA;
+ }
+ else {
+ fpTemp = inputSampleL;
+ fpNShapeLB = (fpNShapeLB*fpOld)+((inputSampleL-fpTemp)*fpNew);
+ inputSampleL += fpNShapeLB;
+ fpTemp = inputSampleR;
+ fpNShapeRB = (fpNShapeRB*fpOld)+((inputSampleR-fpTemp)*fpNew);
+ inputSampleR += fpNShapeRB;
+ }
+ fpFlip = !fpFlip;
+ //end noise shaping on 64 bit output
+
+ *out1 = inputSampleL;
+ *out2 = inputSampleR;
+
+ *in1++;
+ *in2++;
+ *out1++;
+ *out2++;
+ }
+} \ No newline at end of file