PeaksOnly

4 files changed, 426 insertions, 0 deletions

diff --git a/plugins/LinuxVST/CMakeLists.txt b/plugins/LinuxVST/CMakeLists.txt
index ffd1fd0..42c0c49 100755
--- a/plugins/LinuxVST/CMakeLists.txt
+++ b/plugins/LinuxVST/CMakeLists.txt
@@ -116,6 +116,7 @@ add_airwindows_plugin(NotJustAnotherDither)
 add_airwindows_plugin(OneCornerClip)
 add_airwindows_plugin(Pafnuty)
 add_airwindows_plugin(PaulDither)
+add_airwindows_plugin(PeaksOnly)
 add_airwindows_plugin(PDBuss)
 add_airwindows_plugin(PDChannel)
 add_airwindows_plugin(PhaseNudge)
diff --git a/plugins/LinuxVST/src/PeaksOnly/PeaksOnly.cpp b/plugins/LinuxVST/src/PeaksOnly/PeaksOnly.cpp
new file mode 100755
index 0000000..db59ae9
--- /dev/null
+++ b/plugins/LinuxVST/src/PeaksOnly/PeaksOnly.cpp
@@ -0,0 +1,70 @@
+/* ========================================
+ *  PeaksOnly - PeaksOnly.h
+ *  Copyright (c) 2016 airwindows, All rights reserved
+ * ======================================== */
+
+#ifndef __PeaksOnly_H
+#include "PeaksOnly.h"
+#endif
+
+AudioEffect* createEffectInstance(audioMasterCallback audioMaster) {return new PeaksOnly(audioMaster);}
+
+PeaksOnly::PeaksOnly(audioMasterCallback audioMaster) :
+    AudioEffectX(audioMaster, kNumPrograms, kNumParameters)
+{
+	for(int count = 0; count < 1502; count++) {aL[count] = 0.0; bL[count] = 0.0; cL[count] = 0.0; dL[count] = 0.0;aR[count] = 0.0; bR[count] = 0.0; cR[count] = 0.0; dR[count] = 0.0;}
+	ax = 1; bx = 1; cx = 1; dx = 1;
+	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
+}
+
+PeaksOnly::~PeaksOnly() {}
+VstInt32 PeaksOnly::getVendorVersion () {return 1000;}
+void PeaksOnly::setProgramName(char *name) {vst_strncpy (_programName, name, kVstMaxProgNameLen);}
+void PeaksOnly::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!
+
+void PeaksOnly::setParameter(VstInt32 index, float value) {
+}
+
+float PeaksOnly::getParameter(VstInt32 index) {
+    return 0.0; //we only need to update the relevant name, this is simple to manage
+}
+
+void PeaksOnly::getParameterName(VstInt32 index, char *text) {
+}
+
+void PeaksOnly::getParameterDisplay(VstInt32 index, char *text) {
+}
+
+void PeaksOnly::getParameterLabel(VstInt32 index, char *text) {
+}
+
+VstInt32 PeaksOnly::canDo(char *text) 
+{ return (_canDo.find(text) == _canDo.end()) ? -1: 1; } // 1 = yes, -1 = no, 0 = don't know
+
+bool PeaksOnly::getEffectName(char* name) {
+    vst_strncpy(name, "PeaksOnly", kVstMaxProductStrLen); return true;
+}
+
+VstPlugCategory PeaksOnly::getPlugCategory() {return kPlugCategEffect;}
+
+bool PeaksOnly::getProductString(char* text) {
+  	vst_strncpy (text, "airwindows PeaksOnly", kVstMaxProductStrLen); return true;
+}
+
+bool PeaksOnly::getVendorString(char* text) {
+  	vst_strncpy (text, "airwindows", kVstMaxVendorStrLen); return true;
+}
diff --git a/plugins/LinuxVST/src/PeaksOnly/PeaksOnly.h b/plugins/LinuxVST/src/PeaksOnly/PeaksOnly.h
new file mode 100755
index 0000000..f7b0ece
--- /dev/null
+++ b/plugins/LinuxVST/src/PeaksOnly/PeaksOnly.h
@@ -0,0 +1,69 @@
+/* ========================================
+ *  PeaksOnly - PeaksOnly.h
+ *  Created 8/12/11 by SPIAdmin 
+ *  Copyright (c) 2011 __MyCompanyName__, All rights reserved
+ * ======================================== */
+
+#ifndef __PeaksOnly_H
+#define __PeaksOnly_H
+
+#ifndef __audioeffect__
+#include "audioeffectx.h"
+#endif
+
+#include <set>
+#include <string>
+#include <math.h>
+
+enum {
+  kNumParameters = 0
+}; //
+
+const int kNumPrograms = 0;
+const int kNumInputs = 2;
+const int kNumOutputs = 2;
+const unsigned long kUniqueId = 'peko';    //Change this to what the AU identity is!
+
+class PeaksOnly : 
+    public AudioEffectX 
+{
+public:
+    PeaksOnly(audioMasterCallback audioMaster);
+    ~PeaksOnly();
+    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 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;
+    
+	uint32_t fpd;
+	//default stuff
+
+	double aL[1503];
+	double bL[1503];
+	double cL[1503];
+	double dL[1503];
+	
+	double aR[1503];
+	double bR[1503];
+	double cR[1503];
+	double dR[1503];
+	
+	int ax, bx, cx, dx;
+	
+};
+
+#endif
diff --git a/plugins/LinuxVST/src/PeaksOnly/PeaksOnlyProc.cpp b/plugins/LinuxVST/src/PeaksOnly/PeaksOnlyProc.cpp
new file mode 100755
index 0000000..89aa62f
--- /dev/null
+++ b/plugins/LinuxVST/src/PeaksOnly/PeaksOnlyProc.cpp
@@ -0,0 +1,286 @@
+/* ========================================
+ *  PeaksOnly - PeaksOnly.h
+ *  Copyright (c) 2016 airwindows, All rights reserved
+ * ======================================== */
+
+#ifndef __PeaksOnly_H
+#include "PeaksOnly.h"
+#endif
+
+void PeaksOnly::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 = 1.0;
+	overallscale /= 44100.0;
+	overallscale *= getSampleRate();
+
+	int am = (int)149.0 * overallscale;
+	int bm = (int)179.0 * overallscale;
+	int cm = (int)191.0 * overallscale;
+	int dm = (int)223.0 * overallscale; //these are 'good' primes, spacing out the allpasses
+	int allpasstemp = 0;
+    
+    while (--sampleFrames >= 0)
+    {
+		long double inputSampleL = *in1;
+		long double inputSampleR = *in2;
+		if (fabs(inputSampleL)<1.18e-37) inputSampleL = fpd * 1.18e-37;
+		if (fabs(inputSampleR)<1.18e-37) inputSampleR = fpd * 1.18e-37;
+		
+		if (inputSampleL > 1.0) inputSampleL = 1.0;
+		if (inputSampleL < -1.0) inputSampleL = -1.0;
+		if (inputSampleR > 1.0) inputSampleR = 1.0;
+		if (inputSampleR < -1.0) inputSampleR = -1.0;
+		//without this, you can get a NaN condition where it spits out DC offset at full blast!
+		inputSampleL = asin(inputSampleL);
+		inputSampleR = asin(inputSampleR);
+		//amplitude aspect
+		
+		allpasstemp = ax - 1; if (allpasstemp < 0 || allpasstemp > am) allpasstemp = am;
+		inputSampleL -= aL[allpasstemp]*0.5;
+		inputSampleR -= aR[allpasstemp]*0.5;
+		aL[ax] = inputSampleL;
+		aR[ax] = inputSampleR;
+		inputSampleL *= 0.5;
+		inputSampleR *= 0.5;
+		ax--; if (ax < 0 || ax > am) {ax = am;}
+		inputSampleL += (aL[ax]);
+		inputSampleR += (aR[ax]);
+		//a single Midiverb-style allpass
+		
+		if (inputSampleL > 1.0) inputSampleL = 1.0;
+		if (inputSampleL < -1.0) inputSampleL = -1.0;
+		if (inputSampleR > 1.0) inputSampleR = 1.0;
+		if (inputSampleR < -1.0) inputSampleR = -1.0;
+		//without this, you can get a NaN condition where it spits out DC offset at full blast!
+		inputSampleL = asin(inputSampleL);
+		inputSampleR = asin(inputSampleR);
+		//amplitude aspect
+		
+		allpasstemp = bx - 1; if (allpasstemp < 0 || allpasstemp > bm) allpasstemp = bm;
+		inputSampleL -= bL[allpasstemp]*0.5;
+		inputSampleR -= bR[allpasstemp]*0.5;
+		bL[bx] = inputSampleL;
+		bR[bx] = inputSampleR;
+		inputSampleL *= 0.5;
+		inputSampleR *= 0.5;
+		bx--; if (bx < 0 || bx > bm) {bx = bm;}
+		inputSampleL += (bL[bx]);
+		inputSampleR += (bR[bx]);
+		//a single Midiverb-style allpass
+		
+		if (inputSampleL > 1.0) inputSampleL = 1.0;
+		if (inputSampleL < -1.0) inputSampleL = -1.0;
+		if (inputSampleR > 1.0) inputSampleR = 1.0;
+		if (inputSampleR < -1.0) inputSampleR = -1.0;
+		//without this, you can get a NaN condition where it spits out DC offset at full blast!
+		inputSampleL = asin(inputSampleL);
+		inputSampleR = asin(inputSampleR);
+		//amplitude aspect
+		
+		allpasstemp = cx - 1; if (allpasstemp < 0 || allpasstemp > cm) allpasstemp = cm;
+		inputSampleL -= cL[allpasstemp]*0.5;
+		inputSampleR -= cR[allpasstemp]*0.5;
+		cL[cx] = inputSampleL;
+		cR[cx] = inputSampleR;
+		inputSampleL *= 0.5;
+		inputSampleR *= 0.5;
+		cx--; if (cx < 0 || cx > cm) {cx = cm;}
+		inputSampleL += (cL[cx]);
+		inputSampleR += (cR[cx]);
+		//a single Midiverb-style allpass
+		
+		if (inputSampleL > 1.0) inputSampleL = 1.0;
+		if (inputSampleL < -1.0) inputSampleL = -1.0;
+		if (inputSampleR > 1.0) inputSampleR = 1.0;
+		if (inputSampleR < -1.0) inputSampleR = -1.0;
+		//without this, you can get a NaN condition where it spits out DC offset at full blast!
+		inputSampleL = asin(inputSampleL);
+		inputSampleR = asin(inputSampleR);
+		//amplitude aspect
+		
+		allpasstemp = dx - 1; if (allpasstemp < 0 || allpasstemp > dm) allpasstemp = dm;
+		inputSampleL -= dL[allpasstemp]*0.5;
+		inputSampleR -= dR[allpasstemp]*0.5;
+		dL[dx] = inputSampleL;
+		dR[dx] = inputSampleR;
+		inputSampleL *= 0.5;
+		inputSampleR *= 0.5;
+		dx--; if (dx < 0 || dx > dm) {dx = dm;}
+		inputSampleL += (dL[dx]);
+		inputSampleR += (dR[dx]);
+		//a single Midiverb-style allpass
+		
+		if (inputSampleL > 1.0) inputSampleL = 1.0;
+		if (inputSampleL < -1.0) inputSampleL = -1.0;
+		if (inputSampleR > 1.0) inputSampleR = 1.0;
+		if (inputSampleR < -1.0) inputSampleR = -1.0;
+		//without this, you can get a NaN condition where it spits out DC offset at full blast!
+		inputSampleL = asin(inputSampleL);
+		inputSampleR = asin(inputSampleR);
+		//amplitude aspect
+		
+		inputSampleL *= 0.63679; //scale it to 0dB output at full blast
+		inputSampleR *= 0.63679; //scale it to 0dB output at full blast
+		
+		//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 PeaksOnly::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 = 1.0;
+	overallscale /= 44100.0;
+	overallscale *= getSampleRate();
+	
+	int am = (int)149.0 * overallscale;
+	int bm = (int)179.0 * overallscale;
+	int cm = (int)191.0 * overallscale;
+	int dm = (int)223.0 * overallscale; //these are 'good' primes, spacing out the allpasses
+	int allpasstemp = 0;
+	
+    while (--sampleFrames >= 0)
+    {
+		long double inputSampleL = *in1;
+		long double inputSampleR = *in2;
+		if (fabs(inputSampleL)<1.18e-43) inputSampleL = fpd * 1.18e-43;
+		if (fabs(inputSampleR)<1.18e-43) inputSampleR = fpd * 1.18e-43;
+		
+		if (inputSampleL > 1.0) inputSampleL = 1.0;
+		if (inputSampleL < -1.0) inputSampleL = -1.0;
+		if (inputSampleR > 1.0) inputSampleR = 1.0;
+		if (inputSampleR < -1.0) inputSampleR = -1.0;
+		//without this, you can get a NaN condition where it spits out DC offset at full blast!
+		inputSampleL = asin(inputSampleL);
+		inputSampleR = asin(inputSampleR);
+		//amplitude aspect
+		
+		allpasstemp = ax - 1; if (allpasstemp < 0 || allpasstemp > am) allpasstemp = am;
+		inputSampleL -= aL[allpasstemp]*0.5;
+		inputSampleR -= aR[allpasstemp]*0.5;
+		aL[ax] = inputSampleL;
+		aR[ax] = inputSampleR;
+		inputSampleL *= 0.5;
+		inputSampleR *= 0.5;
+		ax--; if (ax < 0 || ax > am) {ax = am;}
+		inputSampleL += (aL[ax]);
+		inputSampleR += (aR[ax]);
+		//a single Midiverb-style allpass
+		
+		if (inputSampleL > 1.0) inputSampleL = 1.0;
+		if (inputSampleL < -1.0) inputSampleL = -1.0;
+		if (inputSampleR > 1.0) inputSampleR = 1.0;
+		if (inputSampleR < -1.0) inputSampleR = -1.0;
+		//without this, you can get a NaN condition where it spits out DC offset at full blast!
+		inputSampleL = asin(inputSampleL);
+		inputSampleR = asin(inputSampleR);
+		//amplitude aspect
+		
+		allpasstemp = bx - 1; if (allpasstemp < 0 || allpasstemp > bm) allpasstemp = bm;
+		inputSampleL -= bL[allpasstemp]*0.5;
+		inputSampleR -= bR[allpasstemp]*0.5;
+		bL[bx] = inputSampleL;
+		bR[bx] = inputSampleR;
+		inputSampleL *= 0.5;
+		inputSampleR *= 0.5;
+		bx--; if (bx < 0 || bx > bm) {bx = bm;}
+		inputSampleL += (bL[bx]);
+		inputSampleR += (bR[bx]);
+		//a single Midiverb-style allpass
+		
+		if (inputSampleL > 1.0) inputSampleL = 1.0;
+		if (inputSampleL < -1.0) inputSampleL = -1.0;
+		if (inputSampleR > 1.0) inputSampleR = 1.0;
+		if (inputSampleR < -1.0) inputSampleR = -1.0;
+		//without this, you can get a NaN condition where it spits out DC offset at full blast!
+		inputSampleL = asin(inputSampleL);
+		inputSampleR = asin(inputSampleR);
+		//amplitude aspect
+		
+		allpasstemp = cx - 1; if (allpasstemp < 0 || allpasstemp > cm) allpasstemp = cm;
+		inputSampleL -= cL[allpasstemp]*0.5;
+		inputSampleR -= cR[allpasstemp]*0.5;
+		cL[cx] = inputSampleL;
+		cR[cx] = inputSampleR;
+		inputSampleL *= 0.5;
+		inputSampleR *= 0.5;
+		cx--; if (cx < 0 || cx > cm) {cx = cm;}
+		inputSampleL += (cL[cx]);
+		inputSampleR += (cR[cx]);
+		//a single Midiverb-style allpass
+		
+		if (inputSampleL > 1.0) inputSampleL = 1.0;
+		if (inputSampleL < -1.0) inputSampleL = -1.0;
+		if (inputSampleR > 1.0) inputSampleR = 1.0;
+		if (inputSampleR < -1.0) inputSampleR = -1.0;
+		//without this, you can get a NaN condition where it spits out DC offset at full blast!
+		inputSampleL = asin(inputSampleL);
+		inputSampleR = asin(inputSampleR);
+		//amplitude aspect
+		
+		allpasstemp = dx - 1; if (allpasstemp < 0 || allpasstemp > dm) allpasstemp = dm;
+		inputSampleL -= dL[allpasstemp]*0.5;
+		inputSampleR -= dR[allpasstemp]*0.5;
+		dL[dx] = inputSampleL;
+		dR[dx] = inputSampleR;
+		inputSampleL *= 0.5;
+		inputSampleR *= 0.5;
+		dx--; if (dx < 0 || dx > dm) {dx = dm;}
+		inputSampleL += (dL[dx]);
+		inputSampleR += (dR[dx]);
+		//a single Midiverb-style allpass
+		
+		if (inputSampleL > 1.0) inputSampleL = 1.0;
+		if (inputSampleL < -1.0) inputSampleL = -1.0;
+		if (inputSampleR > 1.0) inputSampleR = 1.0;
+		if (inputSampleR < -1.0) inputSampleR = -1.0;
+		//without this, you can get a NaN condition where it spits out DC offset at full blast!
+		inputSampleL = asin(inputSampleL);
+		inputSampleR = asin(inputSampleR);
+		//amplitude aspect
+		
+		inputSampleL *= 0.63679; //scale it to 0dB output at full blast
+		inputSampleR *= 0.63679; //scale it to 0dB output at full blast
+		
+		//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++;
+    }
+}