BrassRider, Highpass2

3 files changed, 514 insertions, 0 deletions

diff --git a/plugins/MacVST/BrassRider/source/BrassRider.cpp b/plugins/MacVST/BrassRider/source/BrassRider.cpp
new file mode 100755
index 0000000..3c6ac09
--- /dev/null
+++ b/plugins/MacVST/BrassRider/source/BrassRider.cpp
@@ -0,0 +1,142 @@
+/* ========================================
+ *  BrassRider - BrassRider.h
+ *  Copyright (c) 2016 airwindows, All rights reserved
+ * ======================================== */
+
+#ifndef __BrassRider_H
+#include "BrassRider.h"
+#endif
+
+AudioEffect* createEffectInstance(audioMasterCallback audioMaster) {return new BrassRider(audioMaster);}
+
+BrassRider::BrassRider(audioMasterCallback audioMaster) :
+    AudioEffectX(audioMaster, kNumPrograms, kNumParameters)
+{
+	A = 0.0;
+	B = 0.0;
+	for(int count = 0; count < 80001; count++) {d[count] = 0.0; e[count] = 0.0;}
+	control = 0.0;
+	clamp = 0.0;
+	highIIRL = 0.0;
+	slewIIRL = 0.0;
+	highIIR2L = 0.0;
+	slewIIR2L = 0.0;
+	lastSampleL = 0.0;
+	lastSlewL = 0.0;
+	highIIRR = 0.0;
+	slewIIRR = 0.0;
+	highIIR2R = 0.0;
+	slewIIR2R = 0.0;
+	lastSampleR = 0.0;
+	lastSlewR = 0.0;
+	gcount = 0;
+	fpd = 17;
+	//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
+}
+
+BrassRider::~BrassRider() {}
+VstInt32 BrassRider::getVendorVersion () {return 1000;}
+void BrassRider::setProgramName(char *name) {vst_strncpy (_programName, name, kVstMaxProgNameLen);}
+void BrassRider::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 BrassRider::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 BrassRider::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 BrassRider::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 BrassRider::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 BrassRider::getParameterName(VstInt32 index, char *text) {
+    switch (index) {
+        case kParamA: vst_strncpy (text, "Thresh", 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 BrassRider::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 BrassRider::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 BrassRider::canDo(char *text) 
+{ return (_canDo.find(text) == _canDo.end()) ? -1: 1; } // 1 = yes, -1 = no, 0 = don't know
+
+bool BrassRider::getEffectName(char* name) {
+    vst_strncpy(name, "BrassRider", kVstMaxProductStrLen); return true;
+}
+
+VstPlugCategory BrassRider::getPlugCategory() {return kPlugCategEffect;}
+
+bool BrassRider::getProductString(char* text) {
+  	vst_strncpy (text, "airwindows BrassRider", kVstMaxProductStrLen); return true;
+}
+
+bool BrassRider::getVendorString(char* text) {
+  	vst_strncpy (text, "airwindows", kVstMaxVendorStrLen); return true;
+}
diff --git a/plugins/MacVST/BrassRider/source/BrassRider.h b/plugins/MacVST/BrassRider/source/BrassRider.h
new file mode 100755
index 0000000..06fb616
--- /dev/null
+++ b/plugins/MacVST/BrassRider/source/BrassRider.h
@@ -0,0 +1,80 @@
+/* ========================================
+ *  BrassRider - BrassRider.h
+ *  Created 8/12/11 by SPIAdmin 
+ *  Copyright (c) 2011 __MyCompanyName__, All rights reserved
+ * ======================================== */
+
+#ifndef __BrassRider_H
+#define __BrassRider_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 = 'brsr';    //Change this to what the AU identity is!
+
+class BrassRider : 
+    public AudioEffectX 
+{
+public:
+    BrassRider(audioMasterCallback audioMaster);
+    ~BrassRider();
+    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 d[80002];
+	double e[80002];
+	double highIIRL;
+	double slewIIRL;
+	double highIIR2L;
+	double slewIIR2L;
+	double highIIRR;
+	double slewIIRR;
+	double highIIR2R;
+	double slewIIR2R;
+	double control;
+	double clamp;
+	double lastSampleL;
+	double lastSlewL;
+	double lastSampleR;
+	double lastSlewR;
+	int gcount;
+	uint32_t fpd;
+	//default stuff
+
+    float A;
+    float B;
+};
+
+#endif
diff --git a/plugins/MacVST/BrassRider/source/BrassRiderProc.cpp b/plugins/MacVST/BrassRider/source/BrassRiderProc.cpp
new file mode 100755
index 0000000..3acd783
--- /dev/null
+++ b/plugins/MacVST/BrassRider/source/BrassRiderProc.cpp
@@ -0,0 +1,292 @@
+/* ========================================
+ *  BrassRider - BrassRider.h
+ *  Copyright (c) 2016 airwindows, All rights reserved
+ * ======================================== */
+
+#ifndef __BrassRider_H
+#include "BrassRider.h"
+#endif
+
+void BrassRider::processReplacing(float **inputs, float **outputs, VstInt32 sampleFrames) 
+{
+    float* in1  =  inputs[0];
+    float* in2  =  inputs[1];
+    float* out1 = outputs[0];
+    float* out2 = outputs[1];
+
+	double limitOut = A*16;
+	int offsetA = 13500;
+	int offsetB = 16700;
+	double wet = B;
+    
+    while (--sampleFrames >= 0)
+    {
+		long double inputSampleL = *in1;
+		long double inputSampleR = *in2;
+
+		static int noisesourceL = 0;
+		static int noisesourceR = 850010;
+		int residue;
+		double applyresidue;
+		
+		noisesourceL = noisesourceL % 1700021; noisesourceL++;
+		residue = noisesourceL * noisesourceL;
+		residue = residue % 170003; residue *= residue;
+		residue = residue % 17011; residue *= residue;
+		residue = residue % 1709; residue *= residue;
+		residue = residue % 173; residue *= residue;
+		residue = residue % 17;
+		applyresidue = residue;
+		applyresidue *= 0.00000001;
+		applyresidue *= 0.00000001;
+		inputSampleL += applyresidue;
+		if (inputSampleL<1.2e-38 && -inputSampleL<1.2e-38) {
+			inputSampleL -= applyresidue;
+		}
+		
+		noisesourceR = noisesourceR % 1700021; noisesourceR++;
+		residue = noisesourceR * noisesourceR;
+		residue = residue % 170003; residue *= residue;
+		residue = residue % 17011; residue *= residue;
+		residue = residue % 1709; residue *= residue;
+		residue = residue % 173; residue *= residue;
+		residue = residue % 17;
+		applyresidue = residue;
+		applyresidue *= 0.00000001;
+		applyresidue *= 0.00000001;
+		inputSampleR += applyresidue;
+		if (inputSampleR<1.2e-38 && -inputSampleR<1.2e-38) {
+			inputSampleR -= applyresidue;
+		}
+		//for live air, we always apply the dither noise. Then, if our result is 
+		//effectively digital black, we'll subtract it again. We want a 'air' hiss
+		long double drySampleL = inputSampleL;
+		long double drySampleR = inputSampleR;
+		
+		inputSampleL *= limitOut;
+		highIIRL = (highIIRL*0.5);
+		highIIRL += (inputSampleL*0.5);
+		inputSampleL -= highIIRL;
+		highIIR2L = (highIIR2L*0.5);
+		highIIR2L += (inputSampleL*0.5);
+		inputSampleL -= highIIR2L;
+		long double slewSampleL = fabs(inputSampleL - lastSampleL);
+		lastSampleL = inputSampleL;
+		slewSampleL /= fabs(inputSampleL * lastSampleL)+0.2;
+		slewIIRL = (slewIIRL*0.5);
+		slewIIRL += (slewSampleL*0.5);
+		slewSampleL = fabs(slewSampleL - slewIIRL);
+		slewIIR2L = (slewIIR2L*0.5);
+		slewIIR2L += (slewSampleL*0.5);
+		slewSampleL = fabs(slewSampleL - slewIIR2L);
+		long double bridgerectifier = slewSampleL;
+		//there's the left channel, now to feed it to overall clamp
+		
+		if (bridgerectifier > 3.1415) bridgerectifier = 0.0;
+		bridgerectifier = sin(bridgerectifier);
+		if (gcount < 0 || gcount > 40000) {gcount = 40000;}
+		d[gcount+40000] = d[gcount] = bridgerectifier;
+		control += (d[gcount] / (offsetA+1));
+		control -= (d[gcount+offsetA] / offsetA);
+		double ramp = (control*control) * 16.0;
+		e[gcount+40000] = e[gcount] = ramp;
+		clamp += (e[gcount] / (offsetB+1));
+		clamp -= (e[gcount+offsetB] / offsetB);
+		if (clamp > wet*8) clamp = wet*8;
+		gcount--;
+		
+		inputSampleR *= limitOut;
+		highIIRR = (highIIRR*0.5);
+		highIIRR += (inputSampleR*0.5);
+		inputSampleR -= highIIRR;
+		highIIR2R = (highIIR2R*0.5);
+		highIIR2R += (inputSampleR*0.5);
+		inputSampleR -= highIIR2R;
+		long double slewSampleR = fabs(inputSampleR - lastSampleR);
+		lastSampleR = inputSampleR;
+		slewSampleR /= fabs(inputSampleR * lastSampleR)+0.2;
+		slewIIRR = (slewIIRR*0.5);
+		slewIIRR += (slewSampleR*0.5);
+		slewSampleR = fabs(slewSampleR - slewIIRR);
+		slewIIR2R = (slewIIR2R*0.5);
+		slewIIR2R += (slewSampleR*0.5);
+		slewSampleR = fabs(slewSampleR - slewIIR2R);
+		bridgerectifier = slewSampleR;
+		//there's the right channel, now to feed it to overall clamp
+		
+		if (bridgerectifier > 3.1415) bridgerectifier = 0.0;
+		bridgerectifier = sin(bridgerectifier);
+		if (gcount < 0 || gcount > 40000) {gcount = 40000;}
+		d[gcount+40000] = d[gcount] = bridgerectifier;
+		control += (d[gcount] / (offsetA+1));
+		control -= (d[gcount+offsetA] / offsetA);
+		ramp = (control*control) * 16.0;
+		e[gcount+40000] = e[gcount] = ramp;
+		clamp += (e[gcount] / (offsetB+1));
+		clamp -= (e[gcount+offsetB] / offsetB);
+		if (clamp > wet*8) clamp = wet*8;
+		gcount--;
+		
+		inputSampleL = (drySampleL * (1.0-wet)) + (drySampleL * clamp * wet * 16.0);
+		inputSampleR = (drySampleR * (1.0-wet)) + (drySampleR * clamp * wet * 16.0);
+		
+		//begin 32 bit stereo floating point dither
+		int expon; frexpf((float)inputSampleL, &expon);
+		fpd ^= fpd << 13; fpd ^= fpd >> 17; fpd ^= fpd << 5;
+		inputSampleL += ((double(fpd)-uint32_t(0x7fffffff)) * 5.5e-36l * pow(2,expon+62));
+		frexpf((float)inputSampleR, &expon);
+		fpd ^= fpd << 13; fpd ^= fpd >> 17; fpd ^= fpd << 5;
+		inputSampleR += ((double(fpd)-uint32_t(0x7fffffff)) * 5.5e-36l * pow(2,expon+62));
+		//end 32 bit stereo floating point dither
+		
+		*out1 = inputSampleL;
+		*out2 = inputSampleR;
+
+		*in1++;
+		*in2++;
+		*out1++;
+		*out2++;
+    }
+}
+
+void BrassRider::processDoubleReplacing(double **inputs, double **outputs, VstInt32 sampleFrames) 
+{
+    double* in1  =  inputs[0];
+    double* in2  =  inputs[1];
+    double* out1 = outputs[0];
+    double* out2 = outputs[1];
+	
+	double limitOut = A*16;
+	int offsetA = 13500;
+	int offsetB = 16700;
+	double wet = B;
+	
+    while (--sampleFrames >= 0)
+    {
+		long double inputSampleL = *in1;
+		long double inputSampleR = *in2;
+
+		static int noisesourceL = 0;
+		static int noisesourceR = 850010;
+		int residue;
+		double applyresidue;
+		
+		noisesourceL = noisesourceL % 1700021; noisesourceL++;
+		residue = noisesourceL * noisesourceL;
+		residue = residue % 170003; residue *= residue;
+		residue = residue % 17011; residue *= residue;
+		residue = residue % 1709; residue *= residue;
+		residue = residue % 173; residue *= residue;
+		residue = residue % 17;
+		applyresidue = residue;
+		applyresidue *= 0.00000001;
+		applyresidue *= 0.00000001;
+		inputSampleL += applyresidue;
+		if (inputSampleL<1.2e-38 && -inputSampleL<1.2e-38) {
+			inputSampleL -= applyresidue;
+		}
+		
+		noisesourceR = noisesourceR % 1700021; noisesourceR++;
+		residue = noisesourceR * noisesourceR;
+		residue = residue % 170003; residue *= residue;
+		residue = residue % 17011; residue *= residue;
+		residue = residue % 1709; residue *= residue;
+		residue = residue % 173; residue *= residue;
+		residue = residue % 17;
+		applyresidue = residue;
+		applyresidue *= 0.00000001;
+		applyresidue *= 0.00000001;
+		inputSampleR += applyresidue;
+		if (inputSampleR<1.2e-38 && -inputSampleR<1.2e-38) {
+			inputSampleR -= applyresidue;
+		}
+		//for live air, we always apply the dither noise. Then, if our result is 
+		//effectively digital black, we'll subtract it again. We want a 'air' hiss
+		long double drySampleL = inputSampleL;
+		long double drySampleR = inputSampleR;
+		
+		inputSampleL *= limitOut;
+		highIIRL = (highIIRL*0.5);
+		highIIRL += (inputSampleL*0.5);
+		inputSampleL -= highIIRL;
+		highIIR2L = (highIIR2L*0.5);
+		highIIR2L += (inputSampleL*0.5);
+		inputSampleL -= highIIR2L;
+		long double slewSampleL = fabs(inputSampleL - lastSampleL);
+		lastSampleL = inputSampleL;
+		slewSampleL /= fabs(inputSampleL * lastSampleL)+0.2;
+		slewIIRL = (slewIIRL*0.5);
+		slewIIRL += (slewSampleL*0.5);
+		slewSampleL = fabs(slewSampleL - slewIIRL);
+		slewIIR2L = (slewIIR2L*0.5);
+		slewIIR2L += (slewSampleL*0.5);
+		slewSampleL = fabs(slewSampleL - slewIIR2L);
+		long double bridgerectifier = slewSampleL;
+		//there's the left channel, now to feed it to overall clamp
+		
+		if (bridgerectifier > 3.1415) bridgerectifier = 0.0;
+		bridgerectifier = sin(bridgerectifier);
+		if (gcount < 0 || gcount > 40000) {gcount = 40000;}
+		d[gcount+40000] = d[gcount] = bridgerectifier;
+		control += (d[gcount] / (offsetA+1));
+		control -= (d[gcount+offsetA] / offsetA);
+		double ramp = (control*control) * 16.0;
+		e[gcount+40000] = e[gcount] = ramp;
+		clamp += (e[gcount] / (offsetB+1));
+		clamp -= (e[gcount+offsetB] / offsetB);
+		if (clamp > wet*8) clamp = wet*8;
+		gcount--;
+		
+		inputSampleR *= limitOut;
+		highIIRR = (highIIRR*0.5);
+		highIIRR += (inputSampleR*0.5);
+		inputSampleR -= highIIRR;
+		highIIR2R = (highIIR2R*0.5);
+		highIIR2R += (inputSampleR*0.5);
+		inputSampleR -= highIIR2R;
+		long double slewSampleR = fabs(inputSampleR - lastSampleR);
+		lastSampleR = inputSampleR;
+		slewSampleR /= fabs(inputSampleR * lastSampleR)+0.2;
+		slewIIRR = (slewIIRR*0.5);
+		slewIIRR += (slewSampleR*0.5);
+		slewSampleR = fabs(slewSampleR - slewIIRR);
+		slewIIR2R = (slewIIR2R*0.5);
+		slewIIR2R += (slewSampleR*0.5);
+		slewSampleR = fabs(slewSampleR - slewIIR2R);
+		bridgerectifier = slewSampleR;
+		//there's the right channel, now to feed it to overall clamp
+		
+		if (bridgerectifier > 3.1415) bridgerectifier = 0.0;
+		bridgerectifier = sin(bridgerectifier);
+		if (gcount < 0 || gcount > 40000) {gcount = 40000;}
+		d[gcount+40000] = d[gcount] = bridgerectifier;
+		control += (d[gcount] / (offsetA+1));
+		control -= (d[gcount+offsetA] / offsetA);
+		ramp = (control*control) * 16.0;
+		e[gcount+40000] = e[gcount] = ramp;
+		clamp += (e[gcount] / (offsetB+1));
+		clamp -= (e[gcount+offsetB] / offsetB);
+		if (clamp > wet*8) clamp = wet*8;
+		gcount--;
+		
+		inputSampleL = (drySampleL * (1.0-wet)) + (drySampleL * clamp * wet * 16.0);
+		inputSampleR = (drySampleR * (1.0-wet)) + (drySampleR * clamp * wet * 16.0);
+		
+		//begin 64 bit stereo floating point dither
+		int expon; frexp((double)inputSampleL, &expon);
+		fpd ^= fpd << 13; fpd ^= fpd >> 17; fpd ^= fpd << 5;
+		inputSampleL += ((double(fpd)-uint32_t(0x7fffffff)) * 1.1e-44l * pow(2,expon+62));
+		frexp((double)inputSampleR, &expon);
+		fpd ^= fpd << 13; fpd ^= fpd >> 17; fpd ^= fpd << 5;
+		inputSampleR += ((double(fpd)-uint32_t(0x7fffffff)) * 1.1e-44l * pow(2,expon+62));
+		//end 64 bit stereo floating point dither
+		
+		*out1 = inputSampleL;
+		*out2 = inputSampleR;
+
+		*in1++;
+		*in2++;
+		*out1++;
+		*out2++;
+    }
+}