From bd7f895d3c459a6ff1d14a6adbbb79c07133947c Mon Sep 17 00:00:00 2001
From: Harald Eilertsen <haraldei@anduin.net>
Date: Sat, 18 Jul 2020 13:23:55 +0200
Subject: LV2/Acceleration: Use the LinuxVST processing code

---
 plugins/LV2/src/Acceleration/Acceleration.cpp | 23 ++++++++++++---
 plugins/LV2/src/Acceleration/Acceleration.h   | 42 +++++++++++++++++++++++++--
 2 files changed, 59 insertions(+), 6 deletions(-)

diff --git a/plugins/LV2/src/Acceleration/Acceleration.cpp b/plugins/LV2/src/Acceleration/Acceleration.cpp
index dcc8734..824f4b3 100644
--- a/plugins/LV2/src/Acceleration/Acceleration.cpp
+++ b/plugins/LV2/src/Acceleration/Acceleration.cpp
@@ -53,8 +53,23 @@ void Acceleration::connect_port(uint32_t port, void * data)
 
 void Acceleration::run(uint32_t num_samples)
 {
-    for (auto i = 0u; i < num_samples; i++) {
-        *out[0]++ = *in[0]++ * *limit;
-        *out[1]++ = *in[1]++ * *limit;
-    }
+    A = *limit;
+    B = *drywet;
+    processReplacing(const_cast<float **>(in), out, num_samples);
 }
+
+//
+// Helper functions to satisfy the processing code
+//
+
+double Acceleration::getSampleRate()
+{
+    return rate;
+}
+
+
+//
+// Include the processing code from the VST version.
+//
+#include <cmath>
+#include "../../../LinuxVST/src/Acceleration/AccelerationProc.cpp"
diff --git a/plugins/LV2/src/Acceleration/Acceleration.h b/plugins/LV2/src/Acceleration/Acceleration.h
index c277cb9..cfef367 100644
--- a/plugins/LV2/src/Acceleration/Acceleration.h
+++ b/plugins/LV2/src/Acceleration/Acceleration.h
@@ -1,8 +1,11 @@
-#ifndef __Acceleration_h
-#define __Acceleration_h
+#ifndef __Acceleration_H
+#define __Acceleration_H
 
 #include <cstdint>
 
+// Required typa alias for VTS processing funcs.
+using VstInt32 = int32_t;
+
 class Acceleration {
 public:
     Acceleration(double rate);
@@ -11,11 +14,46 @@ public:
     void run(uint32_t num_samples);
 
 private:
+    void processReplacing(float **in, float **out, VstInt32 samples);
+    void processDoubleReplacing(double **in, double **out, VstInt32 samples);
+
+    double getSampleRate();
+
     double rate;
     const float * limit;
     const float * drywet;
     const float * in[2];
     float * out[2];
+
+    // Temp values used by the processing code
+    double A;       // Value of limit when processing called
+    double B;       // Value of dry/wet when processing called
+
+    // To keep state between runs
+	double ataLastOutL;
+	double s1L;
+	double s2L;
+	double s3L;
+	double o1L;
+	double o2L;
+	double o3L;
+	double m1L;
+	double m2L;
+	double desL;
+
+	double ataLastOutR;
+	double s1R;
+	double s2R;
+	double s3R;
+	double o1R;
+	double o2R;
+	double o3R;
+	double m1R;
+	double m2R;
+	double desR;
+
+	long double fpNShapeL;
+	long double fpNShapeR;
 };
 
 #endif
-- 
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