From a42203c7ddd28f1b6a5d2c12cab5e6dd40f1622f Mon Sep 17 00:00:00 2001
From: Harald Eilertsen <haraldei@anduin.net>
Date: Sun, 28 Mar 2021 17:29:25 +0200
Subject: LV2: More plugins.

Plugins added in this batch is:

- C5RawBuss
- C5RawChannel
- Calibre
- Channel4-7
- Chorus
- ChorusEnsemble
- ChromeOxide
- Cider
- ClipOnly
- Coils
- Cojones
- Compresaturator
---
 plugins/LV2/src/Chorus/Chorus.cpp      | 50 ++++++++++++++++++++++++++++
 plugins/LV2/src/Chorus/Chorus.h        | 51 +++++++++++++++++++++++++++++
 plugins/LV2/src/Chorus/Chorus.ttl      | 60 ++++++++++++++++++++++++++++++++++
 plugins/LV2/src/Chorus/manifest.ttl.in |  6 ++++
 4 files changed, 167 insertions(+)
 create mode 100644 plugins/LV2/src/Chorus/Chorus.cpp
 create mode 100644 plugins/LV2/src/Chorus/Chorus.h
 create mode 100644 plugins/LV2/src/Chorus/Chorus.ttl
 create mode 100644 plugins/LV2/src/Chorus/manifest.ttl.in

(limited to 'plugins/LV2/src/Chorus')

diff --git a/plugins/LV2/src/Chorus/Chorus.cpp b/plugins/LV2/src/Chorus/Chorus.cpp
new file mode 100644
index 0000000..c8d68aa
--- /dev/null
+++ b/plugins/LV2/src/Chorus/Chorus.cpp
@@ -0,0 +1,50 @@
+#include "Chorus.h"
+#include <iostream>
+#include <lv2wrapper.h>
+
+Chorus::Chorus(double rate)
+    : LV2Plugin(rate)
+{
+}
+
+void Chorus::activate()
+{
+	A = 0.5;
+	B = 0.5;
+	C = 0.5;
+
+	for(int count = 0; count < totalsamples-1; count++) {dL[count] = 0; dR[count] = 0;}
+	sweep = 3.141592653589793238 / 2.0;
+	gcount = 0;
+	airPrevL = 0.0;
+	airEvenL = 0.0;
+	airOddL = 0.0;
+	airFactorL = 0.0;
+	airPrevR = 0.0;
+	airEvenR = 0.0;
+	airOddR = 0.0;
+	airFactorR = 0.0;
+	fpFlip = true;
+	fpNShapeL = 0.0;
+	fpNShapeR = 0.0;
+	//this is reset: values being initialized only once. Startup values, whatever they are.
+	
+}
+
+void Chorus::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/Chorus/ChorusProc.cpp"
+
+// Create the LV2Wrapper and register the plugin
+LV2Wrapper<Chorus> plugin;
diff --git a/plugins/LV2/src/Chorus/Chorus.h b/plugins/LV2/src/Chorus/Chorus.h
new file mode 100644
index 0000000..fb602b3
--- /dev/null
+++ b/plugins/LV2/src/Chorus/Chorus.h
@@ -0,0 +1,51 @@
+#ifndef __Chorus_H
+#define __Chorus_H
+
+#include <lv2plugin.h>
+
+class Chorus : public LV2Plugin<3> {
+public:
+    Chorus(double rate);
+
+    void activate();
+    void run(uint32_t num_samples);
+
+    static constexpr const char * URI = "https://www.airwindows.com/chorus";
+
+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 fpNShapeL;
+	long double fpNShapeR;
+	//default stuff
+	const static int totalsamples = 16386;
+	float dL[totalsamples];
+	float dR[totalsamples];
+	double sweep;
+	int gcount;
+	double airPrevL;
+	double airEvenL;
+	double airOddL;
+	double airFactorL;
+	double airPrevR;
+	double airEvenR;
+	double airOddR;
+	double airFactorR;
+	bool fpFlip;
+	
+    float A;
+    float B;
+    float C;
+
+};
+
+#endif
diff --git a/plugins/LV2/src/Chorus/Chorus.ttl b/plugins/LV2/src/Chorus/Chorus.ttl
new file mode 100644
index 0000000..cef4525
--- /dev/null
+++ b/plugins/LV2/src/Chorus/Chorus.ttl
@@ -0,0 +1,60 @@
+# Airwindows Chorus 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/chorus>
+    a lv2:Plugin ,
+        lv2:ModulationPlugin ;
+    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 "Speed" ;
+        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 "Range" ;
+        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 "Dry/Wet" ;
+        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/Chorus/manifest.ttl.in b/plugins/LV2/src/Chorus/manifest.ttl.in
new file mode 100644
index 0000000..b4223f7
--- /dev/null
+++ b/plugins/LV2/src/Chorus/manifest.ttl.in
@@ -0,0 +1,6 @@
+airwindows:chorus
+    a lv2:Plugin ;
+    doap:name "Airwindows Chorus" ;
+    doap:license <http://opensource.org/licenses/mit> ;
+    lv2:binary <Chorus@CMAKE_SHARED_LIBRARY_SUFFIX@> ;
+    rdfs:seeAlso <Chorus.ttl> .
-- 
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