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-rwxr-xr-xplugins/MacVST/Distortion/source/Distortion.cpp154
-rwxr-xr-xplugins/MacVST/Distortion/source/Distortion.h72
-rwxr-xr-xplugins/MacVST/Distortion/source/DistortionProc.cpp250
3 files changed, 476 insertions, 0 deletions
diff --git a/plugins/MacVST/Distortion/source/Distortion.cpp b/plugins/MacVST/Distortion/source/Distortion.cpp
new file mode 100755
index 0000000..34dd082
--- /dev/null
+++ b/plugins/MacVST/Distortion/source/Distortion.cpp
@@ -0,0 +1,154 @@
+/* ========================================
+ * Distortion - Distortion.h
+ * Copyright (c) 2016 airwindows, All rights reserved
+ * ======================================== */
+
+#ifndef __Distortion_H
+#include "Distortion.h"
+#endif
+
+AudioEffect* createEffectInstance(audioMasterCallback audioMaster) {return new Distortion(audioMaster);}
+
+Distortion::Distortion(audioMasterCallback audioMaster) :
+ AudioEffectX(audioMaster, kNumPrograms, kNumParameters)
+{
+ A = 0.5;
+ B = 0.5;
+ C = 0.5;
+ D = 1.0;
+ for (int x = 0; x < 9; x++) {
+ previousInL[x] = 0.0; previousOutL[x] = 0.0;
+ previousInR[x] = 0.0; previousOutR[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
+}
+
+Distortion::~Distortion() {}
+VstInt32 Distortion::getVendorVersion () {return 1000;}
+void Distortion::setProgramName(char *name) {vst_strncpy (_programName, name, kVstMaxProgNameLen);}
+void Distortion::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 Distortion::getChunk (void** data, bool isPreset)
+{
+ float *chunkData = (float *)calloc(kNumParameters, sizeof(float));
+ chunkData[0] = A;
+ chunkData[1] = B;
+ chunkData[2] = C;
+ chunkData[3] = D;
+ /* 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 Distortion::setChunk (void* data, VstInt32 byteSize, bool isPreset)
+{
+ float *chunkData = (float *)data;
+ A = pinParameter(chunkData[0]);
+ B = pinParameter(chunkData[1]);
+ C = pinParameter(chunkData[2]);
+ D = pinParameter(chunkData[3]);
+ /* 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 Distortion::setParameter(VstInt32 index, float value) {
+ switch (index) {
+ case kParamA: A = value; break;
+ case kParamB: B = value; break;
+ case kParamC: C = value; break;
+ case kParamD: D = value; break;
+ default: throw; // unknown parameter, shouldn't happen!
+ }
+}
+
+float Distortion::getParameter(VstInt32 index) {
+ switch (index) {
+ case kParamA: return A; break;
+ case kParamB: return B; break;
+ case kParamC: return C; break;
+ case kParamD: return D; 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 Distortion::getParameterName(VstInt32 index, char *text) {
+ switch (index) {
+ case kParamA: vst_strncpy (text, "Input", kVstMaxParamStrLen); break;
+ case kParamB: vst_strncpy (text, "Mode", kVstMaxParamStrLen); break;
+ case kParamC: vst_strncpy (text, "Output", kVstMaxParamStrLen); break;
+ case kParamD: 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 Distortion::getParameterDisplay(VstInt32 index, char *text) {
+ switch (index) {
+ case kParamA: float2string ((A-0.5)*24.0, text, kVstMaxParamStrLen); break;
+ case kParamB: switch((VstInt32)( B * 4.999 )) //0 to almost edge of # of params
+ {
+ case 0: vst_strncpy (text, "Density", kVstMaxParamStrLen); break;
+ case 1: vst_strncpy (text, "Drive", kVstMaxParamStrLen); break;
+ case 2: vst_strncpy (text, "Spiral", kVstMaxParamStrLen); break;
+ case 3: vst_strncpy (text, "Mojo", kVstMaxParamStrLen); break;
+ case 4: vst_strncpy (text, "Dyno", kVstMaxParamStrLen); break;
+ default: break; // unknown parameter, shouldn't happen!
+ } break;
+ case kParamC: float2string ((C-0.5)*24.0, text, kVstMaxParamStrLen); break;
+ case kParamD: float2string (D, text, kVstMaxParamStrLen); break;
+ default: break; // unknown parameter, shouldn't happen!
+ } //this displays the values and handles 'popups' where it's discrete choices
+}
+
+void Distortion::getParameterLabel(VstInt32 index, char *text) {
+ switch (index) {
+ case kParamA: vst_strncpy (text, "dB", kVstMaxParamStrLen); break;
+ case kParamB: vst_strncpy (text, "", kVstMaxParamStrLen); break;
+ case kParamC: vst_strncpy (text, "dB", kVstMaxParamStrLen); break;
+ case kParamD: vst_strncpy (text, "", kVstMaxParamStrLen); break;
+ default: break; // unknown parameter, shouldn't happen!
+ }
+}
+
+VstInt32 Distortion::canDo(char *text)
+{ return (_canDo.find(text) == _canDo.end()) ? -1: 1; } // 1 = yes, -1 = no, 0 = don't know
+
+bool Distortion::getEffectName(char* name) {
+ vst_strncpy(name, "Distortion", kVstMaxProductStrLen); return true;
+}
+
+VstPlugCategory Distortion::getPlugCategory() {return kPlugCategEffect;}
+
+bool Distortion::getProductString(char* text) {
+ vst_strncpy (text, "airwindows Distortion", kVstMaxProductStrLen); return true;
+}
+
+bool Distortion::getVendorString(char* text) {
+ vst_strncpy (text, "airwindows", kVstMaxVendorStrLen); return true;
+}
diff --git a/plugins/MacVST/Distortion/source/Distortion.h b/plugins/MacVST/Distortion/source/Distortion.h
new file mode 100755
index 0000000..53ccfde
--- /dev/null
+++ b/plugins/MacVST/Distortion/source/Distortion.h
@@ -0,0 +1,72 @@
+/* ========================================
+ * Distortion - Distortion.h
+ * Created 8/12/11 by SPIAdmin
+ * Copyright (c) 2011 __MyCompanyName__, All rights reserved
+ * ======================================== */
+
+#ifndef __Distortion_H
+#define __Distortion_H
+
+#ifndef __audioeffect__
+#include "audioeffectx.h"
+#endif
+
+#include <set>
+#include <string>
+#include <math.h>
+
+enum {
+ kParamA = 0,
+ kParamB = 1,
+ kParamC = 2,
+ kParamD = 3,
+ kNumParameters = 4
+}; //
+
+const int kNumPrograms = 0;
+const int kNumInputs = 2;
+const int kNumOutputs = 2;
+const unsigned long kUniqueId = 'dstr'; //Change this to what the AU identity is!
+
+class Distortion :
+ public AudioEffectX
+{
+public:
+ Distortion(audioMasterCallback audioMaster);
+ ~Distortion();
+ 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 previousInL[9];
+ long double previousOutL[9];
+ long double previousInR[9];
+ long double previousOutR[9];
+
+ uint32_t fpd;
+ //default stuff
+
+ float A;
+ float B;
+ float C;
+ float D;
+};
+
+#endif
diff --git a/plugins/MacVST/Distortion/source/DistortionProc.cpp b/plugins/MacVST/Distortion/source/DistortionProc.cpp
new file mode 100755
index 0000000..a31dcba
--- /dev/null
+++ b/plugins/MacVST/Distortion/source/DistortionProc.cpp
@@ -0,0 +1,250 @@
+/* ========================================
+ * Distortion - Distortion.h
+ * Copyright (c) 2016 airwindows, All rights reserved
+ * ======================================== */
+
+#ifndef __Distortion_H
+#include "Distortion.h"
+#endif
+
+void Distortion::processReplacing(float **inputs, float **outputs, VstInt32 sampleFrames)
+{
+ float* in1 = inputs[0];
+ float* in2 = inputs[1];
+ float* out1 = outputs[0];
+ float* out2 = outputs[1];
+
+ int stages = (int)floor(getSampleRate()/25000.0);
+ if (stages > 8) stages = 8;
+ double input = pow(10.0,((A-0.5)*24.0)/20.0);
+ int mode = (int) ( B * 4.999 );
+ double output = pow(10.0,((C-0.5)*24.0)/20.0);
+ double wet = D;
+
+ 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;
+
+ inputSampleL *= input;
+ inputSampleR *= input;
+
+ for (int x = 0; x < stages; x++) {
+ long double temp;
+ temp = (inputSampleL+previousInL[x])*0.5;
+ previousInL[x] = inputSampleL;
+ inputSampleL = temp;
+ temp = (inputSampleR+previousInR[x])*0.5;
+ previousInR[x] = inputSampleR;
+ inputSampleR = temp;
+ }
+
+ switch (mode)
+ {
+ case 0: //Density
+ if (inputSampleL > 1.570796326794897) inputSampleL = 1.570796326794897;
+ if (inputSampleL < -1.570796326794897) inputSampleL = -1.570796326794897;
+ if (inputSampleR > 1.570796326794897) inputSampleR = 1.570796326794897;
+ if (inputSampleR < -1.570796326794897) inputSampleR = -1.570796326794897;
+ //clip to 1.570796326794897 to reach maximum output
+ inputSampleL = sin(inputSampleL);
+ inputSampleR = sin(inputSampleR);
+ break;
+ case 1: //Drive
+ 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;
+ inputSampleL -= (inputSampleL * (fabs(inputSampleL) * 0.6) * (fabs(inputSampleL) * 0.6));
+ inputSampleR -= (inputSampleR * (fabs(inputSampleR) * 0.6) * (fabs(inputSampleR) * 0.6));
+ inputSampleL *= 1.5;
+ inputSampleR *= 1.5;
+ break;
+ case 2: //Spiral
+ if (inputSampleL > 1.2533141373155) inputSampleL = 1.2533141373155;
+ if (inputSampleL < -1.2533141373155) inputSampleL = -1.2533141373155;
+ if (inputSampleR > 1.2533141373155) inputSampleR = 1.2533141373155;
+ if (inputSampleR < -1.2533141373155) inputSampleR = -1.2533141373155;
+ //clip to 1.2533141373155 to reach maximum output
+ inputSampleL = sin(inputSampleL * fabs(inputSampleL)) / ((inputSampleL == 0.0) ?1:fabs(inputSampleL));
+ inputSampleR = sin(inputSampleR * fabs(inputSampleR)) / ((inputSampleR == 0.0) ?1:fabs(inputSampleR));
+ break;
+ case 3: //Mojo
+ long double mojo; mojo = pow(fabs(inputSampleL),0.25);
+ if (mojo > 0.0) inputSampleL = (sin(inputSampleL * mojo * M_PI * 0.5) / mojo) * 0.987654321;
+ mojo = pow(fabs(inputSampleR),0.25);
+ if (mojo > 0.0) inputSampleR = (sin(inputSampleR * mojo * M_PI * 0.5) / mojo) * 0.987654321;
+ //mojo is the one that flattens WAAAAY out very softly before wavefolding
+ break;
+ case 4: //Dyno
+ long double dyno; dyno = pow(fabs(inputSampleL),4);
+ if (dyno > 0.0) inputSampleL = (sin(inputSampleL * dyno) / dyno) * 1.1654321;
+ dyno = pow(fabs(inputSampleR),4);
+ if (dyno > 0.0) inputSampleR = (sin(inputSampleR * dyno) / dyno) * 1.1654321;
+ //dyno is the one that tries to raise peak energy
+ break;
+ }
+
+ for (int x = 1; x < (stages/2); x++) {
+ long double temp;
+ temp = (inputSampleL+previousOutL[x])*0.5;
+ previousOutL[x] = inputSampleL;
+ inputSampleL = temp;
+ temp = (inputSampleR+previousOutR[x])*0.5;
+ previousOutR[x] = inputSampleR;
+ inputSampleR = temp;
+ }
+
+ if (output != 1.0) {
+ inputSampleL *= output;
+ inputSampleR *= output;
+ }
+
+ 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 Distortion::processDoubleReplacing(double **inputs, double **outputs, VstInt32 sampleFrames)
+{
+ double* in1 = inputs[0];
+ double* in2 = inputs[1];
+ double* out1 = outputs[0];
+ double* out2 = outputs[1];
+
+ int stages = (int)floor(getSampleRate()/25000.0);
+ if (stages > 8) stages = 8;
+ double input = pow(10.0,((A-0.5)*24.0)/20.0);
+ int mode = (int) ( B * 4.999 );
+ double output = pow(10.0,((C-0.5)*24.0)/20.0);
+ double wet = D;
+
+ 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;
+
+ inputSampleL *= input;
+ inputSampleR *= input;
+
+ for (int x = 0; x < stages; x++) {
+ long double temp;
+ temp = (inputSampleL+previousInL[x])*0.5;
+ previousInL[x] = inputSampleL;
+ inputSampleL = temp;
+ temp = (inputSampleR+previousInR[x])*0.5;
+ previousInR[x] = inputSampleR;
+ inputSampleR = temp;
+ }
+
+ switch (mode)
+ {
+ case 0: //Density
+ if (inputSampleL > 1.570796326794897) inputSampleL = 1.570796326794897;
+ if (inputSampleL < -1.570796326794897) inputSampleL = -1.570796326794897;
+ if (inputSampleR > 1.570796326794897) inputSampleR = 1.570796326794897;
+ if (inputSampleR < -1.570796326794897) inputSampleR = -1.570796326794897;
+ //clip to 1.570796326794897 to reach maximum output
+ inputSampleL = sin(inputSampleL);
+ inputSampleR = sin(inputSampleR);
+ break;
+ case 1: //Drive
+ 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;
+ inputSampleL -= (inputSampleL * (fabs(inputSampleL) * 0.6) * (fabs(inputSampleL) * 0.6));
+ inputSampleR -= (inputSampleR * (fabs(inputSampleR) * 0.6) * (fabs(inputSampleR) * 0.6));
+ inputSampleL *= 1.5;
+ inputSampleR *= 1.5;
+ break;
+ case 2: //Spiral
+ if (inputSampleL > 1.2533141373155) inputSampleL = 1.2533141373155;
+ if (inputSampleL < -1.2533141373155) inputSampleL = -1.2533141373155;
+ if (inputSampleR > 1.2533141373155) inputSampleR = 1.2533141373155;
+ if (inputSampleR < -1.2533141373155) inputSampleR = -1.2533141373155;
+ //clip to 1.2533141373155 to reach maximum output
+ inputSampleL = sin(inputSampleL * fabs(inputSampleL)) / ((inputSampleL == 0.0) ?1:fabs(inputSampleL));
+ inputSampleR = sin(inputSampleR * fabs(inputSampleR)) / ((inputSampleR == 0.0) ?1:fabs(inputSampleR));
+ break;
+ case 3: //Mojo
+ long double mojo; mojo = pow(fabs(inputSampleL),0.25);
+ if (mojo > 0.0) inputSampleL = (sin(inputSampleL * mojo * M_PI * 0.5) / mojo) * 0.987654321;
+ mojo = pow(fabs(inputSampleR),0.25);
+ if (mojo > 0.0) inputSampleR = (sin(inputSampleR * mojo * M_PI * 0.5) / mojo) * 0.987654321;
+ //mojo is the one that flattens WAAAAY out very softly before wavefolding
+ break;
+ case 4: //Dyno
+ long double dyno; dyno = pow(fabs(inputSampleL),4);
+ if (dyno > 0.0) inputSampleL = (sin(inputSampleL * dyno) / dyno) * 1.1654321;
+ dyno = pow(fabs(inputSampleR),4);
+ if (dyno > 0.0) inputSampleR = (sin(inputSampleR * dyno) / dyno) * 1.1654321;
+ //dyno is the one that tries to raise peak energy
+ break;
+ }
+
+ for (int x = 1; x < (stages/2); x++) {
+ long double temp;
+ temp = (inputSampleL+previousOutL[x])*0.5;
+ previousOutL[x] = inputSampleL;
+ inputSampleL = temp;
+ temp = (inputSampleR+previousOutR[x])*0.5;
+ previousOutR[x] = inputSampleR;
+ inputSampleR = temp;
+ }
+
+ if (output != 1.0) {
+ inputSampleL *= output;
+ inputSampleR *= output;
+ }
+
+ 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++;
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-28 19:45:40 +0000