LV2: Add more plugins

This adds the following plugins:

- Baxandall
- Beam
- Biquad
- Biquad2
- BiquadOneHalf

Had to manually fix the `Type` param in the Biquad* plugins, since the
script isn't able to pick up enumeration values. Apart from that the
script took care of everything.

22 files changed, 853 insertions, 5 deletions

diff --git a/plugins/LV2/CMakeLists.txt b/plugins/LV2/CMakeLists.txt
index 577a974..753c27f 100755
--- a/plugins/LV2/CMakeLists.txt
+++ b/plugins/LV2/CMakeLists.txt
@@ -25,11 +25,11 @@ add_airwindows_plugin(Average)
 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)
+add_airwindows_plugin(Baxandall)
+add_airwindows_plugin(Beam)
+add_airwindows_plugin(Biquad)
+add_airwindows_plugin(Biquad2)
+add_airwindows_plugin(BiquadOneHalf)
 # add_airwindows_plugin(Bite)
 # add_airwindows_plugin(BitGlitter)
 # add_airwindows_plugin(BitShiftGain)
diff --git a/plugins/LV2/manifest.ttl.in b/plugins/LV2/manifest.ttl.in
index 49d7406..2a6a70c 100644
--- a/plugins/LV2/manifest.ttl.in
+++ b/plugins/LV2/manifest.ttl.in
@@ -115,3 +115,38 @@ airwindows:basskit
     doap:license <http://opensource.org/licenses/mit> ;
     lv2:binary <BassKit@CMAKE_SHARED_LIBRARY_SUFFIX@> ;
     rdfs:seeAlso <BassKit.ttl> .
+
+airwindows:baxandall
+    a lv2:Plugin ;
+    doap:name "Airwindows Baxandall" ;
+    doap:license <http://opensource.org/licenses/mit> ;
+    lv2:binary <Baxandall@CMAKE_SHARED_LIBRARY_SUFFIX@> ;
+    rdfs:seeAlso <Baxandall.ttl> .
+
+airwindows:beam
+    a lv2:Plugin ;
+    doap:name "Airwindows Beam" ;
+    doap:license <http://opensource.org/licenses/mit> ;
+    lv2:binary <Beam@CMAKE_SHARED_LIBRARY_SUFFIX@> ;
+    rdfs:seeAlso <Beam.ttl> .
+
+airwindows:biquad
+    a lv2:Plugin ;
+    doap:name "Airwindows Biquad" ;
+    doap:license <http://opensource.org/licenses/mit> ;
+    lv2:binary <Biquad@CMAKE_SHARED_LIBRARY_SUFFIX@> ;
+    rdfs:seeAlso <Biquad.ttl> .
+
+airwindows:biquad2
+    a lv2:Plugin ;
+    doap:name "Airwindows Biquad2" ;
+    doap:license <http://opensource.org/licenses/mit> ;
+    lv2:binary <Biquad2@CMAKE_SHARED_LIBRARY_SUFFIX@> ;
+    rdfs:seeAlso <Biquad2.ttl> .
+
+airwindows:biquadonehalf
+    a lv2:Plugin ;
+    doap:name "Airwindows BiquadOneHalf" ;
+    doap:license <http://opensource.org/licenses/mit> ;
+    lv2:binary <BiquadOneHalf@CMAKE_SHARED_LIBRARY_SUFFIX@> ;
+    rdfs:seeAlso <BiquadOneHalf.ttl> .
diff --git a/plugins/LV2/src/Baxandall/Baxandall.cpp b/plugins/LV2/src/Baxandall/Baxandall.cpp
new file mode 100644
index 0000000..65bfac3
--- /dev/null
+++ b/plugins/LV2/src/Baxandall/Baxandall.cpp
@@ -0,0 +1,47 @@
+#include "Baxandall.h"
+#include <iostream>
+#include <lv2wrapper.h>
+
+Baxandall::Baxandall(double rate)
+    : LV2Plugin(rate)
+{
+}
+
+void Baxandall::activate()
+{
+	A = 0.5;
+	B = 0.5;
+	C = 0.5;
+	for (int x = 0; x < 9; x++) {
+		trebleAL[x] = 0.0;
+		trebleBL[x] = 0.0;
+		bassAL[x] = 0.0;
+		bassBL[x] = 0.0;
+		trebleAR[x] = 0.0;
+		trebleBR[x] = 0.0;
+		bassAR[x] = 0.0;
+		bassBR[x] = 0.0;
+	}
+	flip = false;
+	fpd = 17;
+	//this is reset: values being initialized only once. Startup values, whatever they are.
+	
+}
+
+void Baxandall::run(uint32_t num_samples)
+{
+    A = *params[0];
+    B = *params[1];
+    C = *params[2];
+
+    processReplacing(const_cast<float **>(in), out, num_samples);
+}
+
+//
+// Include the processing code from the VST version.
+//
+#include <cmath>
+#include "../../../LinuxVST/src/Baxandall/BaxandallProc.cpp"
+
+// Create the LV2Wrapper and register the plugin
+LV2Wrapper<Baxandall> plugin;
diff --git a/plugins/LV2/src/Baxandall/Baxandall.h b/plugins/LV2/src/Baxandall/Baxandall.h
new file mode 100644
index 0000000..f8e244f
--- /dev/null
+++ b/plugins/LV2/src/Baxandall/Baxandall.h
@@ -0,0 +1,45 @@
+#ifndef __Baxandall_H
+#define __Baxandall_H
+
+#include <lv2plugin.h>
+
+class Baxandall : public LV2Plugin<3> {
+public:
+    Baxandall(double rate);
+
+    void activate();
+    void run(uint32_t num_samples);
+
+    static constexpr const char * URI = "https://www.airwindows.com/baxandall";
+
+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.
+     */
+        
+	uint32_t fpd;
+	//default stuff
+	long double trebleAL[9];
+	long double trebleBL[9];
+	long double bassAL[9];
+	long double bassBL[9];
+	
+	long double trebleAR[9];
+	long double trebleBR[9];
+	long double bassAR[9];
+	long double bassBR[9];
+	bool flip;
+	
+    float A;
+    float B;
+    float C;
+};
+
+#endif
diff --git a/plugins/LV2/src/Baxandall/Baxandall.ttl b/plugins/LV2/src/Baxandall/Baxandall.ttl
new file mode 100644
index 0000000..6b92261
--- /dev/null
+++ b/plugins/LV2/src/Baxandall/Baxandall.ttl
@@ -0,0 +1,60 @@
+# Airwindows Baxandall 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/baxandall>
+    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 "Treble" ;
+        lv2:default 0.5 ;
+        lv2:minimum 0.0 ;
+        lv2:maximum 1.0 ;
+    ] , [
+        a lv2:InputPort , lv2:ControlPort ;
+        lv2:index 1 ;
+        lv2:symbol "B" ;
+        lv2:name "Bass" ;
+        lv2:default 0.5 ;
+        lv2:minimum 0.0 ;
+        lv2:maximum 1.0 ;
+    ] , [
+        a lv2:InputPort , lv2:ControlPort ;
+        lv2:index 2 ;
+        lv2:symbol "C" ;
+        lv2:name "Output" ;
+        lv2:default 0.5 ;
+        lv2:minimum 0.0 ;
+        lv2:maximum 1.0 ;
+    ] , [
+        a lv2:InputPort , lv2:AudioPort ;
+        lv2:index 3 ;
+        lv2:symbol "in_l" ;
+        lv2:name "In left" ;
+    ] , [
+        a lv2:InputPort , lv2:AudioPort ;
+        lv2:index 4 ;
+        lv2:symbol "in_r" ;
+        lv2:name "In right" ;
+    ] , [
+        a lv2:OutputPort , lv2:AudioPort ;
+        lv2:index 5 ;
+        lv2:symbol "out_l" ;
+        lv2:name "Out left" ;
+    ] , [
+        a lv2:OutputPort , lv2:AudioPort ;
+        lv2:index 6 ;
+        lv2:symbol "out_r" ;
+        lv2:name "Out right" ;
+    ] .
diff --git a/plugins/LV2/src/Baxandall/manifest.ttl.in b/plugins/LV2/src/Baxandall/manifest.ttl.in
new file mode 100644
index 0000000..490cc2f
--- /dev/null
+++ b/plugins/LV2/src/Baxandall/manifest.ttl.in
@@ -0,0 +1,6 @@
+airwindows:baxandall
+    a lv2:Plugin ;
+    doap:name "Airwindows Baxandall" ;
+    doap:license <http://opensource.org/licenses/mit> ;
+    lv2:binary <Baxandall@CMAKE_SHARED_LIBRARY_SUFFIX@> ;
+    rdfs:seeAlso <Baxandall.ttl> .
diff --git a/plugins/LV2/src/Beam/Beam.cpp b/plugins/LV2/src/Beam/Beam.cpp
new file mode 100644
index 0000000..efc3c6f
--- /dev/null
+++ b/plugins/LV2/src/Beam/Beam.cpp
@@ -0,0 +1,40 @@
+#include "Beam.h"
+#include <iostream>
+#include <lv2wrapper.h>
+
+Beam::Beam(double rate)
+    : LV2Plugin(rate)
+{
+}
+
+void Beam::activate()
+{
+	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.
+	
+}
+
+void Beam::run(uint32_t num_samples)
+{
+    A = *params[0];
+    B = *params[1];
+    C = *params[2];
+
+    processReplacing(const_cast<float **>(in), out, num_samples);
+}
+
+//
+// Include the processing code from the VST version.
+//
+#include <cmath>
+#include "../../../LinuxVST/src/Beam/BeamProc.cpp"
+
+// Create the LV2Wrapper and register the plugin
+LV2Wrapper<Beam> plugin;
diff --git a/plugins/LV2/src/Beam/Beam.h b/plugins/LV2/src/Beam/Beam.h
new file mode 100644
index 0000000..7424765
--- /dev/null
+++ b/plugins/LV2/src/Beam/Beam.h
@@ -0,0 +1,37 @@
+#ifndef __Beam_H
+#define __Beam_H
+
+#include <lv2plugin.h>
+
+class Beam : public LV2Plugin<3> {
+public:
+    Beam(double rate);
+
+    void activate();
+    void run(uint32_t num_samples);
+
+    static constexpr const char * URI = "https://www.airwindows.com/beam";
+
+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.
+     */
+        
+	float lastSampleL[100];
+	float lastSampleR[100];
+	uint32_t fpd;
+	//default stuff
+
+    float A;
+    float B;
+    float C;
+};
+
+#endif
diff --git a/plugins/LV2/src/Beam/Beam.ttl b/plugins/LV2/src/Beam/Beam.ttl
new file mode 100644
index 0000000..3c60f68
--- /dev/null
+++ b/plugins/LV2/src/Beam/Beam.ttl
@@ -0,0 +1,60 @@
+# Airwindows Beam 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/beam>
+    a lv2:Plugin ,
+        lv2:EffectsPlugin ;
+    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 "Quant" ;
+        lv2:default 0.5 ;
+        lv2:minimum 0.0 ;
+        lv2:maximum 1.0 ;
+    ] , [
+        a lv2:InputPort , lv2:ControlPort ;
+        lv2:index 1 ;
+        lv2:symbol "B" ;
+        lv2:name "Focus" ;
+        lv2:default 0.5 ;
+        lv2:minimum 0.0 ;
+        lv2:maximum 1.0 ;
+    ] , [
+        a lv2:InputPort , lv2:ControlPort ;
+        lv2:index 2 ;
+        lv2:symbol "C" ;
+        lv2:name "DeRez" ;
+        lv2:default 0.5 ;
+        lv2:minimum 0.0 ;
+        lv2:maximum 1.0 ;
+    ] , [
+        a lv2:InputPort , lv2:AudioPort ;
+        lv2:index 3 ;
+        lv2:symbol "in_l" ;
+        lv2:name "In left" ;
+    ] , [
+        a lv2:InputPort , lv2:AudioPort ;
+        lv2:index 4 ;
+        lv2:symbol "in_r" ;
+        lv2:name "In right" ;
+    ] , [
+        a lv2:OutputPort , lv2:AudioPort ;
+        lv2:index 5 ;
+        lv2:symbol "out_l" ;
+        lv2:name "Out left" ;
+    ] , [
+        a lv2:OutputPort , lv2:AudioPort ;
+        lv2:index 6 ;
+        lv2:symbol "out_r" ;
+        lv2:name "Out right" ;
+    ] .
diff --git a/plugins/LV2/src/Beam/manifest.ttl.in b/plugins/LV2/src/Beam/manifest.ttl.in
new file mode 100644
index 0000000..d1df876
--- /dev/null
+++ b/plugins/LV2/src/Beam/manifest.ttl.in
@@ -0,0 +1,6 @@
+airwindows:beam
+    a lv2:Plugin ;
+    doap:name "Airwindows Beam" ;
+    doap:license <http://opensource.org/licenses/mit> ;
+    lv2:binary <Beam@CMAKE_SHARED_LIBRARY_SUFFIX@> ;
+    rdfs:seeAlso <Beam.ttl> .
diff --git a/plugins/LV2/src/Biquad/Biquad.cpp b/plugins/LV2/src/Biquad/Biquad.cpp
new file mode 100644
index 0000000..fa7bed7
--- /dev/null
+++ b/plugins/LV2/src/Biquad/Biquad.cpp
@@ -0,0 +1,39 @@
+#include "Biquad.h"
+#include <iostream>
+#include <lv2wrapper.h>
+
+Biquad::Biquad(double rate)
+    : LV2Plugin(rate)
+{
+}
+
+void Biquad::activate()
+{
+	for (int x = 0; x < 11; x++) {biquad[x] = 0.0;}
+	A = 1.0;
+	B = 0.5;
+	C = 0.5;
+	D = 1.0;
+	fpd = 17;
+	//this is reset: values being initialized only once. Startup values, whatever they are.
+	
+}
+
+void Biquad::run(uint32_t num_samples)
+{
+    A = *params[0];
+    B = *params[1];
+    C = *params[2];
+    D = *params[3];
+
+    processReplacing(const_cast<float **>(in), out, num_samples);
+}
+
+//
+// Include the processing code from the VST version.
+//
+#include <cmath>
+#include "../../../LinuxVST/src/Biquad/BiquadProc.cpp"
+
+// Create the LV2Wrapper and register the plugin
+LV2Wrapper<Biquad> plugin;
diff --git a/plugins/LV2/src/Biquad/Biquad.h b/plugins/LV2/src/Biquad/Biquad.h
new file mode 100644
index 0000000..adaa121
--- /dev/null
+++ b/plugins/LV2/src/Biquad/Biquad.h
@@ -0,0 +1,40 @@
+#ifndef __Biquad_H
+#define __Biquad_H
+
+#include <lv2plugin.h>
+
+class Biquad : public LV2Plugin<4> {
+public:
+    Biquad(double rate);
+
+    void activate();
+    void run(uint32_t num_samples);
+
+    static constexpr const char * URI = "https://www.airwindows.com/biquad";
+
+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.
+     */
+        
+	long double biquad[11]; //note that this stereo form doesn't require L and R forms!
+	//This is because so much of it is coefficients etc. that are the same on both channels.
+	//So the stored samples are in 7-8 and 9-10, and freq/res/coefficients serve both.
+	
+	uint32_t fpd;
+	//default stuff
+
+    float A;
+    float B;
+    float C;
+    float D;
+};
+
+#endif
diff --git a/plugins/LV2/src/Biquad/Biquad.ttl b/plugins/LV2/src/Biquad/Biquad.ttl
new file mode 100644
index 0000000..fa00df8
--- /dev/null
+++ b/plugins/LV2/src/Biquad/Biquad.ttl
@@ -0,0 +1,73 @@
+# Airwindows Biquad 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/biquad>
+    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 "Type" ;
+        lv2:default 0.5 ;
+        lv2:minimum 0.0 ;
+        lv2:maximum 1.0 ;
+        lv2:portProperty lv2:integer, lv2:enumeration ;
+        lv2:scalePoint [ rdfs:label "lowpass" ; rdf:value 0.0 ] ;
+        lv2:scalePoint [ rdfs:label "highpass" ; rdf:value 0.26 ] ;
+        lv2:scalePoint [ rdfs:label "bandpass" ; rdf:value 0.51 ] ;
+        lv2:scalePoint [ rdfs:label "notch" ; rdf:value 0.76 ] ;
+    ] , [
+        a lv2:InputPort , lv2:ControlPort ;
+        lv2:index 1 ;
+        lv2:symbol "B" ;
+        lv2:name "Freq" ;
+        lv2:default 0.5 ;
+        lv2:minimum 0.0 ;
+        lv2:maximum 1.0 ;
+    ] , [
+        a lv2:InputPort , lv2:ControlPort ;
+        lv2:index 2 ;
+        lv2:symbol "C" ;
+        lv2:name "Q" ;
+        lv2:default 0.5 ;
+        lv2:minimum 0.0 ;
+        lv2:maximum 1.0 ;
+    ] , [
+        a lv2:InputPort , lv2:ControlPort ;
+        lv2:index 3 ;
+        lv2:symbol "D" ;
+        lv2:name "Inv/Wet" ;
+        lv2:default 0.5 ;
+        lv2:minimum 0.0 ;
+        lv2:maximum 1.0 ;
+    ] , [
+        a lv2:InputPort , lv2:AudioPort ;
+        lv2:index 4 ;
+        lv2:symbol "in_l" ;
+        lv2:name "In left" ;
+    ] , [
+        a lv2:InputPort , lv2:AudioPort ;
+        lv2:index 5 ;
+        lv2:symbol "in_r" ;
+        lv2:name "In right" ;
+    ] , [
+        a lv2:OutputPort , lv2:AudioPort ;
+        lv2:index 6 ;
+        lv2:symbol "out_l" ;
+        lv2:name "Out left" ;
+    ] , [
+        a lv2:OutputPort , lv2:AudioPort ;
+        lv2:index 7 ;
+        lv2:symbol "out_r" ;
+        lv2:name "Out right" ;
+    ] .
diff --git a/plugins/LV2/src/Biquad/manifest.ttl.in b/plugins/LV2/src/Biquad/manifest.ttl.in
new file mode 100644
index 0000000..540b1d9
--- /dev/null
+++ b/plugins/LV2/src/Biquad/manifest.ttl.in
@@ -0,0 +1,6 @@
+airwindows:biquad
+    a lv2:Plugin ;
+    doap:name "Airwindows Biquad" ;
+    doap:license <http://opensource.org/licenses/mit> ;
+    lv2:binary <Biquad@CMAKE_SHARED_LIBRARY_SUFFIX@> ;
+    rdfs:seeAlso <Biquad.ttl> .
diff --git a/plugins/LV2/src/Biquad2/Biquad2.cpp b/plugins/LV2/src/Biquad2/Biquad2.cpp
new file mode 100644
index 0000000..0b1d731
--- /dev/null
+++ b/plugins/LV2/src/Biquad2/Biquad2.cpp
@@ -0,0 +1,53 @@
+#include "Biquad2.h"
+#include <iostream>
+#include <lv2wrapper.h>
+
+Biquad2::Biquad2(double rate)
+    : LV2Plugin(rate)
+{
+}
+
+void Biquad2::activate()
+{
+	for (int x = 0; x < 15; x++) {biquad[x] = 0.0;}
+	for (int x = 0; x < 11; x++) {bL[x] = 0.0; bR[x] = 0.0; f[x] = 0.0;}
+	frequencychase = 0.0015;
+	resonancechase = 0.001;
+	outputchase = 1.0;
+	wetchase = 1.0;
+	
+	frequencysetting = -1.0;
+	resonancesetting = -1.0;
+	outputsetting = -1.0;
+	wetsetting = -2.0; //-1.0 is a possible setting here and this forces an update on chasespeed
+	
+	chasespeed = 500.0;
+	A = 1.0;
+	B = 0.5;
+	C = 0.5;
+	D = 1.0;
+	E = 1.0;
+	fpd = 17;
+	//this is reset: values being initialized only once. Startup values, whatever they are.
+	
+}
+
+void Biquad2::run(uint32_t num_samples)
+{
+    A = *params[0];
+    B = *params[1];
+    C = *params[2];
+    D = *params[3];
+    E = *params[4];
+
+    processReplacing(const_cast<float **>(in), out, num_samples);
+}
+
+//
+// Include the processing code from the VST version.
+//
+#include <cmath>
+#include "../../../LinuxVST/src/Biquad2/Biquad2Proc.cpp"
+
+// Create the LV2Wrapper and register the plugin
+LV2Wrapper<Biquad2> plugin;
diff --git a/plugins/LV2/src/Biquad2/Biquad2.h b/plugins/LV2/src/Biquad2/Biquad2.h
new file mode 100644
index 0000000..e511e3b
--- /dev/null
+++ b/plugins/LV2/src/Biquad2/Biquad2.h
@@ -0,0 +1,54 @@
+#ifndef __Biquad2_H
+#define __Biquad2_H
+
+#include <lv2plugin.h>
+
+class Biquad2 : public LV2Plugin<5> {
+public:
+    Biquad2(double rate);
+
+    void activate();
+    void run(uint32_t num_samples);
+
+    static constexpr const char * URI = "https://www.airwindows.com/biquad2";
+
+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.
+     */
+        
+	long double biquad[15]; //note that this stereo form doesn't require L and R forms!
+	//This is because so much of it is coefficients etc. that are the same on both channels.
+	//So the stored samples are in 7-8-9-10 and 11-12-13-14, and freq/res/coefficients serve both.
+	
+	double bL[11];
+	double bR[11];
+	double f[11];		
+	double frequencychase;
+	double resonancechase;
+	double outputchase;
+	double wetchase;
+	double frequencysetting;
+	double resonancesetting;
+	double outputsetting;
+	double wetsetting;
+	double chasespeed;
+
+	uint32_t fpd;
+	//default stuff
+
+    float A;
+    float B;
+    float C;
+    float D;
+    float E;
+};
+
+#endif
diff --git a/plugins/LV2/src/Biquad2/Biquad2.ttl b/plugins/LV2/src/Biquad2/Biquad2.ttl
new file mode 100644
index 0000000..a1c02c4
--- /dev/null
+++ b/plugins/LV2/src/Biquad2/Biquad2.ttl
@@ -0,0 +1,81 @@
+# Airwindows Biquad2 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/biquad2>
+    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 "Type" ;
+        lv2:default 0.5 ;
+        lv2:minimum 0.0 ;
+        lv2:maximum 1.0 ;
+        lv2:portProperty lv2:integer, lv2:enumeration ;
+        lv2:scalePoint [ rdfs:label "lowpass" ; rdf:value 0.0 ] ;
+        lv2:scalePoint [ rdfs:label "highpass" ; rdf:value 0.26 ] ;
+        lv2:scalePoint [ rdfs:label "bandpass" ; rdf:value 0.51 ] ;
+        lv2:scalePoint [ rdfs:label "notch" ; rdf:value 0.76 ] ;
+    ] , [
+        a lv2:InputPort , lv2:ControlPort ;
+        lv2:index 1 ;
+        lv2:symbol "B" ;
+        lv2:name "Freq" ;
+        lv2:default 0.5 ;
+        lv2:minimum 0.0 ;
+        lv2:maximum 1.0 ;
+    ] , [
+        a lv2:InputPort , lv2:ControlPort ;
+        lv2:index 2 ;
+        lv2:symbol "C" ;
+        lv2:name "Q" ;
+        lv2:default 0.5 ;
+        lv2:minimum 0.0 ;
+        lv2:maximum 1.0 ;
+    ] , [
+        a lv2:InputPort , lv2:ControlPort ;
+        lv2:index 3 ;
+        lv2:symbol "D" ;
+        lv2:name "Output" ;
+        lv2:default 0.5 ;
+        lv2:minimum 0.0 ;
+        lv2:maximum 1.0 ;
+    ] , [
+        a lv2:InputPort , lv2:ControlPort ;
+        lv2:index 4 ;
+        lv2:symbol "E" ;
+        lv2:name "Inv/Wet" ;
+        lv2:default 0.5 ;
+        lv2:minimum 0.0 ;
+        lv2:maximum 1.0 ;
+    ] , [
+        a lv2:InputPort , lv2:AudioPort ;
+        lv2:index 5 ;
+        lv2:symbol "in_l" ;
+        lv2:name "In left" ;
+    ] , [
+        a lv2:InputPort , lv2:AudioPort ;
+        lv2:index 6 ;
+        lv2:symbol "in_r" ;
+        lv2:name "In right" ;
+    ] , [
+        a lv2:OutputPort , lv2:AudioPort ;
+        lv2:index 7 ;
+        lv2:symbol "out_l" ;
+        lv2:name "Out left" ;
+    ] , [
+        a lv2:OutputPort , lv2:AudioPort ;
+        lv2:index 8 ;
+        lv2:symbol "out_r" ;
+        lv2:name "Out right" ;
+    ] .
diff --git a/plugins/LV2/src/Biquad2/manifest.ttl.in b/plugins/LV2/src/Biquad2/manifest.ttl.in
new file mode 100644
index 0000000..1003f2b
--- /dev/null
+++ b/plugins/LV2/src/Biquad2/manifest.ttl.in
@@ -0,0 +1,6 @@
+airwindows:biquad2
+    a lv2:Plugin ;
+    doap:name "Airwindows Biquad2" ;
+    doap:license <http://opensource.org/licenses/mit> ;
+    lv2:binary <Biquad2@CMAKE_SHARED_LIBRARY_SUFFIX@> ;
+    rdfs:seeAlso <Biquad2.ttl> .
diff --git a/plugins/LV2/src/BiquadOneHalf/BiquadOneHalf.cpp b/plugins/LV2/src/BiquadOneHalf/BiquadOneHalf.cpp
new file mode 100644
index 0000000..ac87d53
--- /dev/null
+++ b/plugins/LV2/src/BiquadOneHalf/BiquadOneHalf.cpp
@@ -0,0 +1,40 @@
+#include "BiquadOneHalf.h"
+#include <iostream>
+#include <lv2wrapper.h>
+
+BiquadOneHalf::BiquadOneHalf(double rate)
+    : LV2Plugin(rate)
+{
+}
+
+void BiquadOneHalf::activate()
+{
+	for (int x = 0; x < 9; x++) {biquadAL[x] = 0.0; biquadAR[x] = 0.0; biquadBL[x] = 0.0; biquadBR[x] = 0.0;}
+	flip = false;
+	A = 0.0;
+	B = 0.0;
+	C = 0.0;
+	D = 0.0;
+	fpd = 17;
+	//this is reset: values being initialized only once. Startup values, whatever they are.
+	
+}
+
+void BiquadOneHalf::run(uint32_t num_samples)
+{
+    A = *params[0];
+    B = *params[1];
+    C = *params[2];
+    D = *params[3];
+
+    processReplacing(const_cast<float **>(in), out, num_samples);
+}
+
+//
+// Include the processing code from the VST version.
+//
+#include <cmath>
+#include "../../../LinuxVST/src/BiquadOneHalf/BiquadOneHalfProc.cpp"
+
+// Create the LV2Wrapper and register the plugin
+LV2Wrapper<BiquadOneHalf> plugin;
diff --git a/plugins/LV2/src/BiquadOneHalf/BiquadOneHalf.h b/plugins/LV2/src/BiquadOneHalf/BiquadOneHalf.h
new file mode 100644
index 0000000..e44dc81
--- /dev/null
+++ b/plugins/LV2/src/BiquadOneHalf/BiquadOneHalf.h
@@ -0,0 +1,41 @@
+#ifndef __BiquadOneHalf_H
+#define __BiquadOneHalf_H
+
+#include <lv2plugin.h>
+
+class BiquadOneHalf : public LV2Plugin<4> {
+public:
+    BiquadOneHalf(double rate);
+
+    void activate();
+    void run(uint32_t num_samples);
+
+    static constexpr const char * URI = "https://www.airwindows.com/biquadonehalf";
+
+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.
+     */
+        
+	long double biquadAL[9];
+	long double biquadAR[9];
+	long double biquadBL[9];
+	long double biquadBR[9];
+	bool flip;
+	uint32_t fpd;
+	//default stuff
+
+    float A;
+    float B;
+    float C;
+    float D;
+};
+
+#endif
diff --git a/plugins/LV2/src/BiquadOneHalf/BiquadOneHalf.ttl b/plugins/LV2/src/BiquadOneHalf/BiquadOneHalf.ttl
new file mode 100644
index 0000000..f4eaf50
--- /dev/null
+++ b/plugins/LV2/src/BiquadOneHalf/BiquadOneHalf.ttl
@@ -0,0 +1,73 @@
+# Airwindows BiquadOneHalf 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/biquadonehalf>
+    a lv2:Plugin ,
+        lv2:EffectsPlugin ;
+    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 "Type" ;
+        lv2:default 0.5 ;
+        lv2:minimum 0.0 ;
+        lv2:maximum 1.0 ;
+        lv2:portProperty lv2:integer, lv2:enumeration ;
+        lv2:scalePoint [ rdfs:label "lowpass" ; rdf:value 0.0 ] ;
+        lv2:scalePoint [ rdfs:label "highpass" ; rdf:value 0.26 ] ;
+        lv2:scalePoint [ rdfs:label "bandpass" ; rdf:value 0.51 ] ;
+        lv2:scalePoint [ rdfs:label "notch" ; rdf:value 0.76 ] ;
+    ] , [
+        a lv2:InputPort , lv2:ControlPort ;
+        lv2:index 1 ;
+        lv2:symbol "B" ;
+        lv2:name "Freq" ;
+        lv2:default 0.5 ;
+        lv2:minimum 0.0 ;
+        lv2:maximum 1.0 ;
+    ] , [
+        a lv2:InputPort , lv2:ControlPort ;
+        lv2:index 2 ;
+        lv2:symbol "C" ;
+        lv2:name "Q" ;
+        lv2:default 0.5 ;
+        lv2:minimum 0.0 ;
+        lv2:maximum 1.0 ;
+    ] , [
+        a lv2:InputPort , lv2:ControlPort ;
+        lv2:index 3 ;
+        lv2:symbol "D" ;
+        lv2:name "Inv/Wet" ;
+        lv2:default 0.5 ;
+        lv2:minimum 0.0 ;
+        lv2:maximum 1.0 ;
+    ] , [
+        a lv2:InputPort , lv2:AudioPort ;
+        lv2:index 4 ;
+        lv2:symbol "in_l" ;
+        lv2:name "In left" ;
+    ] , [
+        a lv2:InputPort , lv2:AudioPort ;
+        lv2:index 5 ;
+        lv2:symbol "in_r" ;
+        lv2:name "In right" ;
+    ] , [
+        a lv2:OutputPort , lv2:AudioPort ;
+        lv2:index 6 ;
+        lv2:symbol "out_l" ;
+        lv2:name "Out left" ;
+    ] , [
+        a lv2:OutputPort , lv2:AudioPort ;
+        lv2:index 7 ;
+        lv2:symbol "out_r" ;
+        lv2:name "Out right" ;
+    ] .
diff --git a/plugins/LV2/src/BiquadOneHalf/manifest.ttl.in b/plugins/LV2/src/BiquadOneHalf/manifest.ttl.in
new file mode 100644
index 0000000..15311b4
--- /dev/null
+++ b/plugins/LV2/src/BiquadOneHalf/manifest.ttl.in
@@ -0,0 +1,6 @@
+airwindows:biquadonehalf
+    a lv2:Plugin ;
+    doap:name "Airwindows BiquadOneHalf" ;
+    doap:license <http://opensource.org/licenses/mit> ;
+    lv2:binary <BiquadOneHalf@CMAKE_SHARED_LIBRARY_SUFFIX@> ;
+    rdfs:seeAlso <BiquadOneHalf.ttl> .