More LV2 work, basic FX load now

source/backend/plugin/BridgePlugin.cpp

@@ -426,7 +426,7 @@ public:
         if (fInfo.mOuts > 0)
             needsCtrlOut = true;
 
-        const uint  portNameSize = kData->engine->maxPortNameSize();
+        const uint portNameSize(kData->engine->maxPortNameSize());
         CarlaString portName;
 
         // Audio Ins

source/backend/plugin/DssiPlugin.cpp

@@ -350,7 +350,7 @@ public:
         else if (index > static_cast<int32_t>(kData->midiprog.count))
             return;
 
-        if (index >= 0)
+        if (index >= 0 && fDssiDescriptor != nullptr && fDssiDescriptor->select_program != nullptr)
         {
             const uint32_t bank    = kData->midiprog.data[index].bank;
             const uint32_t program = kData->midiprog.data[index].program;
@@ -505,7 +505,7 @@ public:
                 fParamBuffers[i] = 0.0f;
         }
 
-        const uint  portNameSize = kData->engine->maxPortNameSize();
+        const uint portNameSize(kData->engine->maxPortNameSize());
         CarlaString portName;
 
         for (uint32_t i=0, iAudioIn=0, iAudioOut=0, iCtrl=0; i < portCount; ++i)

source/backend/plugin/LadspaPlugin.cpp

@@ -491,7 +491,7 @@ public:
                 fParamBuffers[i] = 0.0f;
         }
 
-        const uint  portNameSize = kData->engine->maxPortNameSize();
+        const uint portNameSize(kData->engine->maxPortNameSize());
         CarlaString portName;
 
         for (uint32_t i=0, iAudioIn=0, iAudioOut=0, iCtrl=0; i < portCount; ++i)

source/backend/plugin/NativePlugin.cpp

@@ -757,7 +757,7 @@ public:
             kData->param.createNew(params);
         }
 
-        const uint  portNameSize = kData->engine->maxPortNameSize();
+        const uint portNameSize(kData->engine->maxPortNameSize());
         CarlaString portName;
 
         // Audio Ins

source/backend/plugin/VstPlugin.cpp

@@ -536,7 +536,7 @@ public:
             needsCtrlIn = true;
         }
 
-        const uint  portNameSize = kData->engine->maxPortNameSize();
+        const uint portNameSize(kData->engine->maxPortNameSize());
         CarlaString portName;
 
         // Audio Ins

source/includes/lv2_rdf.hpp

@@ -312,8 +312,8 @@ struct LV2_RDF_PortPoints {
           Minimum(0.0f),
           Maximum(1.0f) {}
 
-    LV2_RDF_PortPoints(LV2_RDF_PortPoints&) = delete;
-    LV2_RDF_PortPoints(const LV2_RDF_PortPoints&) = delete;
+    //LV2_RDF_PortPoints(LV2_RDF_PortPoints&) = delete;
+    //LV2_RDF_PortPoints(const LV2_RDF_PortPoints&) = delete;
 };
 
 // Port Unit