Use the C++ version of the LV2 libraries

plugin.hh

@@ -1,19 +1,21 @@
 #pragma once
+#include <lv2plugin.hpp>
 #include <stdint.h>
 
+using namespace LV2;
+
 namespace Dynamite {
     enum PluginPort {
-        IN, OUT, DRIVE
+        IN, OUT, DRIVE, THRESHOLD
     };
 
-    class Plugin {
+    class Drive : public Plugin<Drive> {
         const float *drive;
         const float *input;
         float *output;
     public:
-        void connect_port(PluginPort port, void* data);
-        void activate();
+        Drive(double rate) : Plugin<Drive>(1) {}
+        void connect_port(uint32_t port, void* data);
         void run(uint32_t n_samples);
-        void deactivate();
     };
 }