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-rw-r--r--src/engine/Engine.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/engine/Engine.cpp b/src/engine/Engine.cpp
index 3f65b587..fe9bdd8c 100644
--- a/src/engine/Engine.cpp
+++ b/src/engine/Engine.cpp
@@ -197,6 +197,7 @@ Engine::activate()
// Add control input
Shared::Resource::Properties in_properties(control_properties);
in_properties.insert(make_pair(uris.rdf_type, uris.lv2_InputPort));
+ in_properties.insert(make_pair(uris.lv2_index, 0));
execute_and_delete_event(context, new Events::CreatePort(
*this, SharedPtr<Request>(), 0,
@@ -205,6 +206,8 @@ Engine::activate()
// Add control out
Shared::Resource::Properties out_properties(control_properties);
out_properties.insert(make_pair(uris.rdf_type, uris.lv2_OutputPort));
+ out_properties.insert(make_pair(uris.lv2_index, 1));
+
execute_and_delete_event(context, new Events::CreatePort(
*this, SharedPtr<Request>(), 0,
"/control_out", uris.lv2ev_EventPort, true, out_properties));