Beam

4 files changed, 472 insertions, 0 deletions

diff --git a/plugins/LinuxVST/CMakeLists.txt b/plugins/LinuxVST/CMakeLists.txt
index 0be4c44..99b731f 100755
--- a/plugins/LinuxVST/CMakeLists.txt
+++ b/plugins/LinuxVST/CMakeLists.txt
@@ -21,6 +21,7 @@ add_airwindows_plugin(AverMatrix)
 add_airwindows_plugin(BassDrive)
 add_airwindows_plugin(BassKit)
 add_airwindows_plugin(Baxandall)
+add_airwindows_plugin(Beam)
 add_airwindows_plugin(Biquad)
 add_airwindows_plugin(Biquad2)
 add_airwindows_plugin(BiquadOneHalf)
diff --git a/plugins/LinuxVST/build/Beam/Beam.cpp b/plugins/LinuxVST/build/Beam/Beam.cpp
new file mode 100755
index 0000000..183b5e5
--- /dev/null
+++ b/plugins/LinuxVST/build/Beam/Beam.cpp
@@ -0,0 +1,142 @@
+/* ========================================
+ *  Beam - Beam.h
+ *  Copyright (c) 2016 airwindows, All rights reserved
+ * ======================================== */
+
+#ifndef __Beam_H
+#include "Beam.h"
+#endif
+
+AudioEffect* createEffectInstance(audioMasterCallback audioMaster) {return new Beam(audioMaster);}
+
+Beam::Beam(audioMasterCallback audioMaster) :
+    AudioEffectX(audioMaster, kNumPrograms, kNumParameters)
+{
+	A = 1.0;
+	B = 0.5;
+	C = 0.0;
+	for(int count = 0; count < 99; count++) {
+		lastSampleL[count] = 0;
+		lastSampleR[count] = 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
+}
+
+Beam::~Beam() {}
+VstInt32 Beam::getVendorVersion () {return 1000;}
+void Beam::setProgramName(char *name) {vst_strncpy (_programName, name, kVstMaxProgNameLen);}
+void Beam::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 Beam::getChunk (void** data, bool isPreset)
+{
+	float *chunkData = (float *)calloc(kNumParameters, sizeof(float));
+	chunkData[0] = A;
+	chunkData[1] = B;
+	chunkData[2] = C;
+	/* 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 Beam::setChunk (void* data, VstInt32 byteSize, bool isPreset)
+{	
+	float *chunkData = (float *)data;
+	A = pinParameter(chunkData[0]);
+	B = pinParameter(chunkData[1]);
+	C = pinParameter(chunkData[2]);
+	/* 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 Beam::setParameter(VstInt32 index, float value) {
+    switch (index) {
+        case kParamA: A = value; break;
+        case kParamB: B = value; break;
+        case kParamC: C = value; break;
+        default: throw; // unknown parameter, shouldn't happen!
+    }
+}
+
+float Beam::getParameter(VstInt32 index) {
+    switch (index) {
+        case kParamA: return A; break;
+        case kParamB: return B; break;
+        case kParamC: return C; 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 Beam::getParameterName(VstInt32 index, char *text) {
+    switch (index) {
+        case kParamA: vst_strncpy (text, "Quant", kVstMaxParamStrLen); break;
+		case kParamB: vst_strncpy (text, "Focus", kVstMaxParamStrLen); break;
+		case kParamC: vst_strncpy (text, "DeRez", kVstMaxParamStrLen); break;
+        default: break; // unknown parameter, shouldn't happen!
+    } //this is our labels for displaying in the VST host
+}
+
+void Beam::getParameterDisplay(VstInt32 index, char *text) {
+    switch (index) {
+        case kParamA: switch((VstInt32)( A * 1.999 )) //0 to almost edge of # of params
+		{	case 0: vst_strncpy (text, "CD 16", kVstMaxParamStrLen); break;
+			case 1: vst_strncpy (text, "HD 24", kVstMaxParamStrLen); break;
+			default: break; // unknown parameter, shouldn't happen!
+		} break; //completed consoletype 'popup' parameter, exit
+        case kParamB: float2string (B, text, kVstMaxParamStrLen); break;
+        case kParamC: float2string (C, text, kVstMaxParamStrLen); break;
+		default: break; // unknown parameter, shouldn't happen!
+	} //this displays the values and handles 'popups' where it's discrete choices
+}
+
+void Beam::getParameterLabel(VstInt32 index, char *text) {
+    switch (index) {
+        case kParamA: vst_strncpy (text, "", kVstMaxParamStrLen); break;
+        case kParamB: vst_strncpy (text, "", kVstMaxParamStrLen); break;
+        case kParamC: vst_strncpy (text, "", kVstMaxParamStrLen); break;
+		default: break; // unknown parameter, shouldn't happen!
+    }
+}
+
+VstInt32 Beam::canDo(char *text) 
+{ return (_canDo.find(text) == _canDo.end()) ? -1: 1; } // 1 = yes, -1 = no, 0 = don't know
+
+bool Beam::getEffectName(char* name) {
+    vst_strncpy(name, "Beam", kVstMaxProductStrLen); return true;
+}
+
+VstPlugCategory Beam::getPlugCategory() {return kPlugCategEffect;}
+
+bool Beam::getProductString(char* text) {
+  	vst_strncpy (text, "airwindows Beam", kVstMaxProductStrLen); return true;
+}
+
+bool Beam::getVendorString(char* text) {
+  	vst_strncpy (text, "airwindows", kVstMaxVendorStrLen); return true;
+}
diff --git a/plugins/LinuxVST/build/Beam/Beam.h b/plugins/LinuxVST/build/Beam/Beam.h
new file mode 100755
index 0000000..30e1ccd
--- /dev/null
+++ b/plugins/LinuxVST/build/Beam/Beam.h
@@ -0,0 +1,67 @@
+/* ========================================
+ *  Beam - Beam.h
+ *  Created 8/12/11 by SPIAdmin 
+ *  Copyright (c) 2011 __MyCompanyName__, All rights reserved
+ * ======================================== */
+
+#ifndef __Beam_H
+#define __Beam_H
+
+#ifndef __audioeffect__
+#include "audioeffectx.h"
+#endif
+
+#include <set>
+#include <string>
+#include <math.h>
+
+enum {
+	kParamA = 0,
+	kParamB = 1,
+	kParamC = 2,
+  kNumParameters = 3
+}; //
+
+const int kNumPrograms = 0;
+const int kNumInputs = 2;
+const int kNumOutputs = 2;
+const unsigned long kUniqueId = 'beam';    //Change this to what the AU identity is!
+
+class Beam : 
+    public AudioEffectX 
+{
+public:
+    Beam(audioMasterCallback audioMaster);
+    ~Beam();
+    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;
+    
+	float lastSampleL[100];
+	float lastSampleR[100];
+	uint32_t fpd;
+	//default stuff
+
+    float A;
+    float B;
+    float C;
+};
+
+#endif
diff --git a/plugins/LinuxVST/build/Beam/BeamProc.cpp b/plugins/LinuxVST/build/Beam/BeamProc.cpp
new file mode 100755
index 0000000..920f5b4
--- /dev/null
+++ b/plugins/LinuxVST/build/Beam/BeamProc.cpp
@@ -0,0 +1,262 @@
+/* ========================================
+ *  Beam - Beam.h
+ *  Copyright (c) 2016 airwindows, All rights reserved
+ * ======================================== */
+
+#ifndef __Beam_H
+#include "Beam.h"
+#endif
+
+void Beam::processReplacing(float **inputs, float **outputs, VstInt32 sampleFrames) 
+{
+    float* in1  =  inputs[0];
+    float* in2  =  inputs[1];
+    float* out1 = outputs[0];
+    float* out2 = outputs[1];
+
+	int processing = (VstInt32)( A * 1.999 );
+	float sonority = B * 1.618033988749894848204586;
+	double overallscale = 1.0;
+	overallscale /= 44100.0;
+	overallscale *= getSampleRate();
+	int depth = (int)(17.0*overallscale);
+	if (depth < 3) depth = 3;
+	if (depth > 98) depth = 98;
+	bool highres = false;
+	if (processing == 1) highres = true;
+	float scaleFactor;
+	if (highres) scaleFactor = 8388608.0;
+	else scaleFactor = 32768.0;
+	float derez = C;
+	if (derez > 0.0) scaleFactor *= pow(1.0-derez,6);
+	if (scaleFactor < 0.0001) scaleFactor = 0.0001;
+	
+    while (--sampleFrames >= 0)
+    {
+		long double inputSampleL = *in1;
+		long double inputSampleR = *in2;
+		if (fabs(inputSampleL)<1.18e-37) inputSampleL = fpd * 1.18e-37;
+		fpd ^= fpd << 13; fpd ^= fpd >> 17; fpd ^= fpd << 5;
+		if (fabs(inputSampleR)<1.18e-37) inputSampleR = fpd * 1.18e-37;
+		fpd ^= fpd << 13; fpd ^= fpd >> 17; fpd ^= fpd << 5;
+		
+		inputSampleL *= scaleFactor;
+		inputSampleR *= scaleFactor;
+		//0-1 is now one bit, now we dither
+		
+		//We are doing it first Left, then Right, because the loops may run faster if
+		//they aren't too jammed full of variables. This means re-running code.
+		
+		//begin left
+		int quantA = floor(inputSampleL);
+		int quantB = floor(inputSampleL+1.0);
+		//to do this style of dither, we quantize in either direction and then
+		//do a reconstruction of what the result will be for each choice.
+		//We then evaluate which one we like, and keep a history of what we previously had
+		
+		float expectedSlewA = 0;
+		for(int x = 0; x < depth; x++) {
+			expectedSlewA += (lastSampleL[x+1] - lastSampleL[x]);
+		}
+		float expectedSlewB = expectedSlewA;
+		expectedSlewA += (lastSampleL[0] - quantA);
+		expectedSlewB += (lastSampleL[0] - quantB);
+		//now we have a collection of all slews, averaged and left at total scale
+		
+		float clamp = sonority;
+		if (fabs(inputSampleL) < sonority) clamp = fabs(inputSampleL);
+
+		float testA = fabs(fabs(expectedSlewA)-clamp);
+		float testB = fabs(fabs(expectedSlewB)-clamp);
+		//doing this means the result will be lowest when it's reaching the target slope across
+		//the desired time range, either positively or negatively. Should produce the same target
+		//at whatever sample rate, as high rate stuff produces smaller increments.
+		
+		if (testA < testB) inputSampleL = quantA;
+		else inputSampleL = quantB;
+		//select whichever one departs LEAST from the vector of averaged
+		//reconstructed previous final samples. This will force a kind of dithering
+		//as it'll make the output end up as smooth as possible
+		
+		for(int x = depth; x >=0; x--) {
+			lastSampleL[x+1] = lastSampleL[x];
+		}
+		lastSampleL[0] = inputSampleL;
+		//end left
+		
+		//begin right
+		quantA = floor(inputSampleR);
+		quantB = floor(inputSampleR+1.0);
+		//to do this style of dither, we quantize in either direction and then
+		//do a reconstruction of what the result will be for each choice.
+		//We then evaluate which one we like, and keep a history of what we previously had
+		
+		expectedSlewA = 0;
+		for(int x = 0; x < depth; x++) {
+			expectedSlewA += (lastSampleR[x+1] - lastSampleR[x]);
+		}
+		expectedSlewB = expectedSlewA;
+		expectedSlewA += (lastSampleR[0] - quantA);
+		expectedSlewB += (lastSampleR[0] - quantB);
+		//now we have a collection of all slews, averaged and left at total scale
+		
+		clamp = sonority;
+		if (fabs(inputSampleR) < sonority) clamp = fabs(inputSampleR);
+
+		testA = fabs(fabs(expectedSlewA)-clamp);
+		testB = fabs(fabs(expectedSlewB)-clamp);
+		//doing this means the result will be lowest when it's reaching the target slope across
+		//the desired time range, either positively or negatively. Should produce the same target
+		//at whatever sample rate, as high rate stuff produces smaller increments.
+		
+		if (testA < testB) inputSampleR = quantA;
+		else inputSampleR = quantB;
+		//select whichever one departs LEAST from the vector of averaged
+		//reconstructed previous final samples. This will force a kind of dithering
+		//as it'll make the output end up as smooth as possible
+		
+		for(int x = depth; x >=0; x--) {
+			lastSampleR[x+1] = lastSampleR[x];
+		}
+		lastSampleR[0] = inputSampleR;
+		//end right
+		
+		inputSampleL /= scaleFactor;
+		inputSampleR /= scaleFactor;
+		
+		*out1 = inputSampleL;
+		*out2 = inputSampleR;
+
+		*in1++;
+		*in2++;
+		*out1++;
+		*out2++;
+    }
+}
+
+void Beam::processDoubleReplacing(double **inputs, double **outputs, VstInt32 sampleFrames) 
+{
+    double* in1  =  inputs[0];
+    double* in2  =  inputs[1];
+    double* out1 = outputs[0];
+    double* out2 = outputs[1];
+
+	int processing = (VstInt32)( A * 1.999 );
+	float sonority = B * 1.618033988749894848204586;
+	double overallscale = 1.0;
+	overallscale /= 44100.0;
+	overallscale *= getSampleRate();
+	int depth = (int)(17.0*overallscale);
+	if (depth < 3) depth = 3;
+	if (depth > 98) depth = 98;
+	bool highres = false;
+	if (processing == 1) highres = true;
+	float scaleFactor;
+	if (highres) scaleFactor = 8388608.0;
+	else scaleFactor = 32768.0;
+	float derez = C;
+	if (derez > 0.0) scaleFactor *= pow(1.0-derez,6);
+	if (scaleFactor < 1.0) scaleFactor = 1.0;
+
+    while (--sampleFrames >= 0)
+    {
+		long double inputSampleL = *in1;
+		long double inputSampleR = *in2;
+		if (fabs(inputSampleL)<1.18e-43) inputSampleL = fpd * 1.18e-43;
+		fpd ^= fpd << 13; fpd ^= fpd >> 17; fpd ^= fpd << 5;
+		if (fabs(inputSampleR)<1.18e-43) inputSampleR = fpd * 1.18e-43;
+		fpd ^= fpd << 13; fpd ^= fpd >> 17; fpd ^= fpd << 5;
+		
+		inputSampleL *= scaleFactor;
+		inputSampleR *= scaleFactor;
+		//0-1 is now one bit, now we dither
+
+		//We are doing it first Left, then Right, because the loops may run faster if
+		//they aren't too jammed full of variables. This means re-running code.
+		
+		//begin left
+		int quantA = floor(inputSampleL);
+		int quantB = floor(inputSampleL+1.0);
+		//to do this style of dither, we quantize in either direction and then
+		//do a reconstruction of what the result will be for each choice.
+		//We then evaluate which one we like, and keep a history of what we previously had
+		
+		float expectedSlewA = 0;
+		for(int x = 0; x < depth; x++) {
+			expectedSlewA += (lastSampleL[x+1] - lastSampleL[x]);
+		}
+		float expectedSlewB = expectedSlewA;
+		expectedSlewA += (lastSampleL[0] - quantA);
+		expectedSlewB += (lastSampleL[0] - quantB);
+		//now we have a collection of all slews, averaged and left at total scale
+		
+		float clamp = sonority;
+		if (fabs(inputSampleL) < sonority) clamp = fabs(inputSampleL);
+
+		float testA = fabs(fabs(expectedSlewA)-clamp);
+		float testB = fabs(fabs(expectedSlewB)-clamp);
+		//doing this means the result will be lowest when it's reaching the target slope across
+		//the desired time range, either positively or negatively. Should produce the same target
+		//at whatever sample rate, as high rate stuff produces smaller increments.
+		
+		if (testA < testB) inputSampleL = quantA;
+		else inputSampleL = quantB;
+		//select whichever one departs LEAST from the vector of averaged
+		//reconstructed previous final samples. This will force a kind of dithering
+		//as it'll make the output end up as smooth as possible
+		
+		for(int x = depth; x >=0; x--) {
+			lastSampleL[x+1] = lastSampleL[x];
+		}
+		lastSampleL[0] = inputSampleL;
+		//end left
+		
+		//begin right
+		quantA = floor(inputSampleR);
+		quantB = floor(inputSampleR+1.0);
+		//to do this style of dither, we quantize in either direction and then
+		//do a reconstruction of what the result will be for each choice.
+		//We then evaluate which one we like, and keep a history of what we previously had
+		
+		expectedSlewA = 0;
+		for(int x = 0; x < depth; x++) {
+			expectedSlewA += (lastSampleR[x+1] - lastSampleR[x]);
+		}
+		expectedSlewB = expectedSlewA;
+		expectedSlewA += (lastSampleR[0] - quantA);
+		expectedSlewB += (lastSampleR[0] - quantB);
+		//now we have a collection of all slews, averaged and left at total scale
+		
+		clamp = sonority;
+		if (fabs(inputSampleR) < sonority) clamp = fabs(inputSampleR);
+		
+		testA = fabs(fabs(expectedSlewA)-clamp);
+		testB = fabs(fabs(expectedSlewB)-clamp);
+		//doing this means the result will be lowest when it's reaching the target slope across
+		//the desired time range, either positively or negatively. Should produce the same target
+		//at whatever sample rate, as high rate stuff produces smaller increments.
+		
+		if (testA < testB) inputSampleR = quantA;
+		else inputSampleR = quantB;
+		//select whichever one departs LEAST from the vector of averaged
+		//reconstructed previous final samples. This will force a kind of dithering
+		//as it'll make the output end up as smooth as possible
+		
+		for(int x = depth; x >=0; x--) {
+			lastSampleR[x+1] = lastSampleR[x];
+		}
+		lastSampleR[0] = inputSampleR;
+		//end right
+		
+		inputSampleL /= scaleFactor;
+		inputSampleR /= scaleFactor;
+		
+		*out1 = inputSampleL;
+		*out2 = inputSampleR;
+
+		*in1++;
+		*in2++;
+		*out1++;
+		*out2++;
+    }
+}