7 files changed, 15 insertions, 12 deletions
diff --git a/src/libs/engine/InternalPlugin.cpp b/src/libs/engine/InternalPlugin.cpp
index a068123d..9141b545 100644
--- a/src/libs/engine/InternalPlugin.cpp
+++ b/src/libs/engine/InternalPlugin.cpp
@@ -49,13 +49,13 @@ InternalPlugin::instantiate(const string&     name,
 {
 	assert(_type == Internal);
 
-	if (_uri == "ingen:note_node") {
+	if (_uri == NS_INGEN "note_node") {
 		return new MidiNoteNode(name, polyphonic, parent, srate, buffer_size);
-	} else if (_uri == "ingen:trigger_node") {
+	} else if (_uri == NS_INGEN "trigger_node") {
 		return new MidiTriggerNode(name, polyphonic, parent, srate, buffer_size);
-	} else if (_uri == "ingen:control_node") {
+	} else if (_uri == NS_INGEN "control_node") {
 		return new MidiControlNode(name, polyphonic, parent, srate, buffer_size);
-	} else if (_uri == "ingen:transport_node") {
+	} else if (_uri == NS_INGEN "transport_node") {
 		return new TransportNode(name, polyphonic, parent, srate, buffer_size);
 	} else {
 		return NULL;
diff --git a/src/libs/engine/InternalPlugin.hpp b/src/libs/engine/InternalPlugin.hpp
index 6f1f6023..02ca3e59 100644
--- a/src/libs/engine/InternalPlugin.hpp
+++ b/src/libs/engine/InternalPlugin.hpp
@@ -34,6 +34,8 @@
 #include "types.hpp"
 #include "PluginImpl.hpp"
 
+#define NS_INGEN "http://drobilla.net/ns/ingen#"
+
 namespace Ingen {
 
 class NodeImpl;
diff --git a/src/libs/engine/MidiControlNode.cpp b/src/libs/engine/MidiControlNode.cpp
index c855f307..bfe0e57e 100644
--- a/src/libs/engine/MidiControlNode.cpp
+++ b/src/libs/engine/MidiControlNode.cpp
@@ -36,7 +36,7 @@ MidiControlNode::MidiControlNode(const string& path,
                                  PatchImpl*    parent,
                                  SampleRate    srate,
                                  size_t        buffer_size)
-	: NodeBase(new InternalPlugin("ingen:control_node", "controller", "MIDI Controller")
+	: NodeBase(new InternalPlugin(NS_INGEN "control_node", "controller", "MIDI Controller")
 			, path, false, parent, srate, buffer_size)
 	, _learning(false)
 {
diff --git a/src/libs/engine/MidiNoteNode.cpp b/src/libs/engine/MidiNoteNode.cpp
index e9b36fbf..0bf18f42 100644
--- a/src/libs/engine/MidiNoteNode.cpp
+++ b/src/libs/engine/MidiNoteNode.cpp
@@ -37,7 +37,7 @@ namespace Ingen {
 
 
 MidiNoteNode::MidiNoteNode(const string& path, bool polyphonic, PatchImpl* parent, SampleRate srate, size_t buffer_size)
-	: NodeBase(new InternalPlugin("ingen:note_node", "note", "MIDI Note"),
+	: NodeBase(new InternalPlugin(NS_INGEN "note_node", "note", "MIDI Note"),
 			path, polyphonic, parent, srate, buffer_size)
 	, _voices(new Raul::Array<Voice>(_polyphony))
 	, _prepared_voices(NULL)
diff --git a/src/libs/engine/MidiTriggerNode.cpp b/src/libs/engine/MidiTriggerNode.cpp
index 65f9833e..aa2c272f 100644
--- a/src/libs/engine/MidiTriggerNode.cpp
+++ b/src/libs/engine/MidiTriggerNode.cpp
@@ -32,7 +32,7 @@ namespace Ingen {
 
 
 MidiTriggerNode::MidiTriggerNode(const string& path, bool polyphonic, PatchImpl* parent, SampleRate srate, size_t buffer_size)
-	: NodeBase(new InternalPlugin("ingen:trigger_node", "trigger", "MIDI Trigger"),
+	: NodeBase(new InternalPlugin(NS_INGEN "trigger_node", "trigger", "MIDI Trigger"),
 			path, false, parent, srate, buffer_size)
 {
 	_ports = new Raul::Array<PortImpl*>(5);
diff --git a/src/libs/engine/TransportNode.cpp b/src/libs/engine/TransportNode.cpp
index e65719df..3fc14a43 100644
--- a/src/libs/engine/TransportNode.cpp
+++ b/src/libs/engine/TransportNode.cpp
@@ -28,7 +28,7 @@ namespace Ingen {
 
 
 TransportNode::TransportNode(const string& path, bool polyphonic, PatchImpl* parent, SampleRate srate, size_t buffer_size)
-: NodeBase(new InternalPlugin("ingen:transport_node", "transport", "Transport Follower"),
+: NodeBase(new InternalPlugin(NS_INGEN "transport_node", "transport", "Transport Follower"),
 		path, false, parent, srate, buffer_size)
 {
 #if 0
diff --git a/src/libs/engine/events/NoteEvent.cpp b/src/libs/engine/events/NoteEvent.cpp
index d74d5cd0..58842ae6 100644
--- a/src/libs/engine/events/NoteEvent.cpp
+++ b/src/libs/engine/events/NoteEvent.cpp
@@ -23,6 +23,7 @@
 #include "MidiNoteNode.hpp"
 #include "MidiTriggerNode.hpp"
 #include "PluginImpl.hpp"
+#include "InternalPlugin.hpp"
 #include "ProcessContext.hpp"
 
 namespace Ingen {
@@ -71,14 +72,14 @@ NoteEvent::execute(ProcessContext& context)
 	
 	if (_node != NULL && _node->plugin()->type() == Plugin::Internal) {
 		if (_on) {
-			if (_node->plugin_impl()->uri() == "ingen:note_node")
+			if (_node->plugin_impl()->uri() == NS_INGEN "note_node")
 				((MidiNoteNode*)_node)->note_on(context, _note_num, _velocity, _time);
-			else if (_node->plugin_impl()->uri() == "ingen:trigger_node")
+			else if (_node->plugin_impl()->uri() == NS_INGEN "trigger_node")
 				((MidiTriggerNode*)_node)->note_on(context, _note_num, _velocity, _time);
 		} else  {
-			if (_node->plugin_impl()->uri() == "ingen:note_node")
+			if (_node->plugin_impl()->uri() == NS_INGEN "note_node")
 				((MidiNoteNode*)_node)->note_off(context, _note_num, _time);
-			else if (_node->plugin_impl()->uri() == "ingen:trigger_node")
+			else if (_node->plugin_impl()->uri() == NS_INGEN "trigger_node")
 				((MidiTriggerNode*)_node)->note_off(context, _note_num, _time);
 		}
 	}