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-rwxr-xr-xplugins/LinuxVST/src/Coils/Coils.cpp135
-rwxr-xr-xplugins/LinuxVST/src/Coils/Coils.h67
-rwxr-xr-xplugins/LinuxVST/src/Coils/CoilsProc.cpp174
3 files changed, 376 insertions, 0 deletions
diff --git a/plugins/LinuxVST/src/Coils/Coils.cpp b/plugins/LinuxVST/src/Coils/Coils.cpp
new file mode 100755
index 0000000..b3cc04a
--- /dev/null
+++ b/plugins/LinuxVST/src/Coils/Coils.cpp
@@ -0,0 +1,135 @@
+/* ========================================
+ * Coils - Coils.h
+ * Copyright (c) 2016 airwindows, All rights reserved
+ * ======================================== */
+
+#ifndef __Coils_H
+#include "Coils.h"
+#endif
+
+AudioEffect* createEffectInstance(audioMasterCallback audioMaster) {return new Coils(audioMaster);}
+
+Coils::Coils(audioMasterCallback audioMaster) :
+ AudioEffectX(audioMaster, kNumPrograms, kNumParameters)
+{
+ A = 0.0;
+ B = 0.5;
+ C = 1.0;
+ for (int x = 0; x < 9; x++) {figureL[x] = 0.0;figureR[x] = 0.0;}
+ 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
+}
+
+Coils::~Coils() {}
+VstInt32 Coils::getVendorVersion () {return 1000;}
+void Coils::setProgramName(char *name) {vst_strncpy (_programName, name, kVstMaxProgNameLen);}
+void Coils::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 Coils::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 Coils::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 Coils::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 Coils::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 Coils::getParameterName(VstInt32 index, char *text) {
+ switch (index) {
+ case kParamA: vst_strncpy (text, "Saturat", kVstMaxParamStrLen); break;
+ case kParamB: vst_strncpy (text, "Core DC", kVstMaxParamStrLen); break;
+ case kParamC: 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 Coils::getParameterDisplay(VstInt32 index, char *text) {
+ switch (index) {
+ case kParamA: float2string (A, text, kVstMaxParamStrLen); break;
+ case kParamB: float2string ((B*2.0)-1.0, 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 Coils::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 Coils::canDo(char *text)
+{ return (_canDo.find(text) == _canDo.end()) ? -1: 1; } // 1 = yes, -1 = no, 0 = don't know
+
+bool Coils::getEffectName(char* name) {
+ vst_strncpy(name, "Coils", kVstMaxProductStrLen); return true;
+}
+
+VstPlugCategory Coils::getPlugCategory() {return kPlugCategEffect;}
+
+bool Coils::getProductString(char* text) {
+ vst_strncpy (text, "airwindows Coils", kVstMaxProductStrLen); return true;
+}
+
+bool Coils::getVendorString(char* text) {
+ vst_strncpy (text, "airwindows", kVstMaxVendorStrLen); return true;
+}
diff --git a/plugins/LinuxVST/src/Coils/Coils.h b/plugins/LinuxVST/src/Coils/Coils.h
new file mode 100755
index 0000000..08171fb
--- /dev/null
+++ b/plugins/LinuxVST/src/Coils/Coils.h
@@ -0,0 +1,67 @@
+/* ========================================
+ * Coils - Coils.h
+ * Created 8/12/11 by SPIAdmin
+ * Copyright (c) 2011 __MyCompanyName__, All rights reserved
+ * ======================================== */
+
+#ifndef __Coils_H
+#define __Coils_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 = 'coil'; //Change this to what the AU identity is!
+
+class Coils :
+ public AudioEffectX
+{
+public:
+ Coils(audioMasterCallback audioMaster);
+ ~Coils();
+ 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 figureL[9];
+ long double figureR[9];
+ uint32_t fpd;
+ //default stuff
+
+ float A;
+ float B;
+ float C;
+};
+
+#endif
diff --git a/plugins/LinuxVST/src/Coils/CoilsProc.cpp b/plugins/LinuxVST/src/Coils/CoilsProc.cpp
new file mode 100755
index 0000000..cc0456a
--- /dev/null
+++ b/plugins/LinuxVST/src/Coils/CoilsProc.cpp
@@ -0,0 +1,174 @@
+/* ========================================
+ * Coils - Coils.h
+ * Copyright (c) 2016 airwindows, All rights reserved
+ * ======================================== */
+
+#ifndef __Coils_H
+#include "Coils.h"
+#endif
+
+void Coils::processReplacing(float **inputs, float **outputs, VstInt32 sampleFrames)
+{
+ float* in1 = inputs[0];
+ float* in2 = inputs[1];
+ float* out1 = outputs[0];
+ float* out2 = outputs[1];
+
+ //[0] is frequency: 0.000001 to 0.499999 is near-zero to near-Nyquist
+ //[1] is resonance, 0.7071 is Butterworth. Also can't be zero
+ double boost = 1.0-pow(A,2);
+ if (boost < 0.001) boost = 0.001; //there's a divide, we can't have this be zero
+ figureL[0] = figureR[0] = 600.0/getSampleRate(); //fixed frequency, 600hz
+ figureL[1] = figureR[1] = 0.023; //resonance
+ double offset = B;
+ double wet = C;
+ double K = tan(M_PI * figureR[0]);
+ double norm = 1.0 / (1.0 + K / figureR[1] + K * K);
+ figureL[2] = figureR[2] = K / figureR[1] * norm;
+ figureL[4] = figureR[4] = -figureR[2];
+ figureL[5] = figureR[5] = 2.0 * (K * K - 1.0) * norm;
+ figureL[6] = figureR[6] = (1.0 - K / figureR[1] + K * K) * norm;
+
+ 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;
+ long double drySampleL = inputSampleL;
+ long double drySampleR = inputSampleR;
+
+ //long double tempSample = (inputSample * figure[2]) + figure[7];
+ //figure[7] = -(tempSample * figure[5]) + figure[8];
+ //figure[8] = (inputSample * figure[4]) - (tempSample * figure[6]);
+ //inputSample = tempSample + sin(drySample-tempSample);
+ //or
+ //inputSample = tempSample + ((sin(((drySample-tempSample)/boost)+offset)-offset)*boost);
+ //
+ //given a bandlimited inputSample, freq 600hz and Q of 0.023, this restores a lot of
+ //the full frequencies but distorts like a real transformer. Purest case, and since
+ //we are not using a high Q we can remove the extra sin/asin on the biquad.
+
+
+ long double tempSample = (inputSampleL * figureL[2]) + figureL[7];
+ figureL[7] = -(tempSample * figureL[5]) + figureL[8];
+ figureL[8] = (inputSampleL * figureL[4]) - (tempSample * figureL[6]);
+ inputSampleL = tempSample + ((sin(((drySampleL-tempSample)/boost)+offset)-offset)*boost);
+ //given a bandlimited inputSample, freq 600hz and Q of 0.023, this restores a lot of
+ //the full frequencies but distorts like a real transformer. Since
+ //we are not using a high Q we can remove the extra sin/asin on the biquad.
+
+ tempSample = (inputSampleR * figureR[2]) + figureR[7];
+ figureR[7] = -(tempSample * figureR[5]) + figureR[8];
+ figureR[8] = (inputSampleR * figureR[4]) - (tempSample * figureR[6]);
+ inputSampleR = tempSample + ((sin(((drySampleR-tempSample)/boost)+offset)-offset)*boost);
+ //given a bandlimited inputSample, freq 600hz and Q of 0.023, this restores a lot of
+ //the full frequencies but distorts like a real transformer. Since
+ //we are not using a high Q we can remove the extra sin/asin on the biquad.
+
+ if (wet !=1.0) {
+ inputSampleL = (inputSampleL * wet) + (drySampleL * (1.0-wet));
+ inputSampleR = (inputSampleR * wet) + (drySampleR * (1.0-wet));
+ }
+
+ //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 Coils::processDoubleReplacing(double **inputs, double **outputs, VstInt32 sampleFrames)
+{
+ double* in1 = inputs[0];
+ double* in2 = inputs[1];
+ double* out1 = outputs[0];
+ double* out2 = outputs[1];
+
+ //[0] is frequency: 0.000001 to 0.499999 is near-zero to near-Nyquist
+ //[1] is resonance, 0.7071 is Butterworth. Also can't be zero
+ double boost = 1.0-pow(A,2);
+ if (boost < 0.001) boost = 0.001; //there's a divide, we can't have this be zero
+ figureL[0] = figureR[0] = 600.0/getSampleRate(); //fixed frequency, 600hz
+ figureL[1] = figureR[1] = 0.023; //resonance
+ double offset = B;
+ double wet = C;
+ double K = tan(M_PI * figureR[0]);
+ double norm = 1.0 / (1.0 + K / figureR[1] + K * K);
+ figureL[2] = figureR[2] = K / figureR[1] * norm;
+ figureL[4] = figureR[4] = -figureR[2];
+ figureL[5] = figureR[5] = 2.0 * (K * K - 1.0) * norm;
+ figureL[6] = figureR[6] = (1.0 - K / figureR[1] + K * K) * norm;
+
+ 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;
+ long double drySampleL = inputSampleL;
+ long double drySampleR = inputSampleR;
+
+ //long double tempSample = (inputSample * figure[2]) + figure[7];
+ //figure[7] = -(tempSample * figure[5]) + figure[8];
+ //figure[8] = (inputSample * figure[4]) - (tempSample * figure[6]);
+ //inputSample = tempSample + sin(drySample-tempSample);
+ //or
+ //inputSample = tempSample + ((sin(((drySample-tempSample)/boost)+offset)-offset)*boost);
+ //
+ //given a bandlimited inputSample, freq 600hz and Q of 0.023, this restores a lot of
+ //the full frequencies but distorts like a real transformer. Purest case, and since
+ //we are not using a high Q we can remove the extra sin/asin on the biquad.
+
+
+ long double tempSample = (inputSampleL * figureL[2]) + figureL[7];
+ figureL[7] = -(tempSample * figureL[5]) + figureL[8];
+ figureL[8] = (inputSampleL * figureL[4]) - (tempSample * figureL[6]);
+ inputSampleL = tempSample + ((sin(((drySampleL-tempSample)/boost)+offset)-offset)*boost);
+ //given a bandlimited inputSample, freq 600hz and Q of 0.023, this restores a lot of
+ //the full frequencies but distorts like a real transformer. Since
+ //we are not using a high Q we can remove the extra sin/asin on the biquad.
+
+ tempSample = (inputSampleR * figureR[2]) + figureR[7];
+ figureR[7] = -(tempSample * figureR[5]) + figureR[8];
+ figureR[8] = (inputSampleR * figureR[4]) - (tempSample * figureR[6]);
+ inputSampleR = tempSample + ((sin(((drySampleR-tempSample)/boost)+offset)-offset)*boost);
+ //given a bandlimited inputSample, freq 600hz and Q of 0.023, this restores a lot of
+ //the full frequencies but distorts like a real transformer. Since
+ //we are not using a high Q we can remove the extra sin/asin on the biquad.
+
+ if (wet !=1.0) {
+ inputSampleL = (inputSampleL * wet) + (drySampleL * (1.0-wet));
+ inputSampleR = (inputSampleR * wet) + (drySampleR * (1.0-wet));
+ }
+
+ //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++;
+ }
+}
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