4 files changed, 164 insertions, 0 deletions
diff --git a/plugins/LV2/src/Slew2/Slew2.cpp b/plugins/LV2/src/Slew2/Slew2.cpp
new file mode 100644
index 0000000..ad79c99
--- /dev/null
+++ b/plugins/LV2/src/Slew2/Slew2.cpp
@@ -0,0 +1,47 @@
+#include "Slew2.h"
+#include <iostream>
+#include <lv2wrapper.h>
+
+Slew2::Slew2(double rate)
+    : LV2Plugin(rate)
+{
+}
+
+void Slew2::activate()
+{
+	A = 0.0;
+
+	LataLast3Sample = LataLast2Sample = LataLast1Sample = 0.0;
+	LataHalfwaySample = LataHalfDrySample = LataHalfDiffSample = 0.0;
+	LataA = LataB = LataC = LataDrySample = LataDiffSample = LataPrevDiffSample = 0.0;
+	LataUpsampleHighTweak = 0.0414213562373095048801688; //more adds treble to upsampling
+	LataDecay = 0.915965594177219015; //Catalan's constant, more adds focus and clarity
+	lastSampleL = 0.0;
+
+	RataLast3Sample = RataLast2Sample = RataLast1Sample = 0.0;
+	RataHalfwaySample = RataHalfDrySample = RataHalfDiffSample = 0.0;
+	RataA = RataB = RataC = RataDrySample = RataDiffSample = RataPrevDiffSample = 0.0;
+	RataUpsampleHighTweak = 0.0414213562373095048801688; //more adds treble to upsampling
+	RataDecay = 0.915965594177219015; //CRatalan's constant, more adds focus and clarity
+	LataFlip = false; //end reset of antialias parameters
+	RataFlip = false; //end reset of antialias parameters
+	lastSampleR = 0.0;
+	//this is reset: values being initialized only once. Startup values, whatever they are.
+	
+}
+
+void Slew2::run(uint32_t num_samples)
+{
+    A = *params[0];
+
+    processReplacing(const_cast<float **>(in), out, num_samples);
+}
+
+//
+// Include the processing code from the VST version.
+//
+#include <cmath>
+#include "../../../LinuxVST/src/Slew2/Slew2Proc.cpp"
+
+// Create the LV2Wrapper and register the plugin
+LV2Wrapper<Slew2> plugin;
diff --git a/plugins/LV2/src/Slew2/Slew2.h b/plugins/LV2/src/Slew2/Slew2.h
new file mode 100644
index 0000000..ac6c0a4
--- /dev/null
+++ b/plugins/LV2/src/Slew2/Slew2.h
@@ -0,0 +1,67 @@
+#ifndef __Slew2_H
+#define __Slew2_H
+
+#include <lv2plugin.h>
+
+class Slew2 : public LV2Plugin<1> {
+public:
+    Slew2(double rate);
+
+    void activate();
+    void run(uint32_t num_samples);
+
+    static constexpr const char * URI = "https://www.airwindows.com/slew2";
+
+private:
+    /*
+     * These are the original DSP functions from the VST plugin.
+     * They need to be called from the LV2 plugins `run` function.
+     */
+    void processReplacing(float **in, float **out, VstInt32 samples);
+    void processDoubleReplacing(double **in, double **out, VstInt32 samples);
+
+    /*
+     * Members needed by the processing functions.
+     */
+        
+	double LataLast3Sample;
+	double LataLast2Sample;
+	double LataLast1Sample;
+	double LataHalfwaySample;
+	double LataHalfDrySample;
+	double LataHalfDiffSample;
+	double LataA;
+	double LataB;
+	double LataC;
+	double LataDecay;
+	double LataUpsampleHighTweak;
+	double LataDrySample;
+	double LataDiffSample;
+	double LataPrevDiffSample;
+	
+	double RataLast3Sample;
+	double RataLast2Sample;
+	double RataLast1Sample;
+	double RataHalfwaySample;
+	double RataHalfDrySample;
+	double RataHalfDiffSample;
+	double RataA;
+	double RataB;
+	double RataC;
+	double RataDecay;
+	double RataUpsampleHighTweak;
+	double RataDrySample;
+	double RataDiffSample;
+	double RataPrevDiffSample;
+	
+	bool LataFlip; //end defining of antialiasing variables
+	bool RataFlip; //end defining of antialiasing variables
+
+	double lastSampleL;
+	double lastSampleR;
+	
+    float A;
+
+};
+
+#endif
diff --git a/plugins/LV2/src/Slew2/Slew2.ttl b/plugins/LV2/src/Slew2/Slew2.ttl
new file mode 100644
index 0000000..5f3d56d
--- /dev/null
+++ b/plugins/LV2/src/Slew2/Slew2.ttl
@@ -0,0 +1,44 @@
+# Airwindows Slew2 plugin description
+
+@prefix lv2:   <http://lv2plug.in/ns/lv2core#> .
+@prefix rdf:   <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
+@prefix rdfs:  <http://www.w3.org/2000/01/rdf-schema#> .
+@prefix units: <http://lv2plug.in/ns/extensions/units#> .
+
+<https://www.airwindows.com/slew2>
+    a lv2:Plugin ,
+        lv2:EQPlugin ;
+    lv2:project <https://www.airwindows.com> ;
+
+    lv2:optionalFeature lv2:hardRTCapable ;
+
+    # Define the ports for this plugin.
+    lv2:port [
+        a lv2:InputPort , lv2:ControlPort ;
+        lv2:index 0 ;
+        lv2:symbol "A" ;
+        lv2:name "Clamping" ;
+        lv2:default 0.5 ;
+        lv2:minimum 0.0 ;
+        lv2:maximum 1.0 ;
+    ] , [
+        a lv2:InputPort , lv2:AudioPort ;
+        lv2:index 1 ;
+        lv2:symbol "in_l" ;
+        lv2:name "In left" ;
+    ] , [
+        a lv2:InputPort , lv2:AudioPort ;
+        lv2:index 2 ;
+        lv2:symbol "in_r" ;
+        lv2:name "In right" ;
+    ] , [
+        a lv2:OutputPort , lv2:AudioPort ;
+        lv2:index 3 ;
+        lv2:symbol "out_l" ;
+        lv2:name "Out left" ;
+    ] , [
+        a lv2:OutputPort , lv2:AudioPort ;
+        lv2:index 4 ;
+        lv2:symbol "out_r" ;
+        lv2:name "Out right" ;
+    ] .
diff --git a/plugins/LV2/src/Slew2/manifest.ttl.in b/plugins/LV2/src/Slew2/manifest.ttl.in
new file mode 100644
index 0000000..28adb42
--- /dev/null
+++ b/plugins/LV2/src/Slew2/manifest.ttl.in
@@ -0,0 +1,6 @@
+airwindows:slew2
+    a lv2:Plugin ;
+    doap:name "Airwindows Slew2" ;
+    doap:license <http://opensource.org/licenses/mit> ;
+    lv2:binary <Slew2@CMAKE_SHARED_LIBRARY_SUFFIX@> ;
+    rdfs:seeAlso <Slew2.ttl> .