Copy state when replicating an AU plugin

This is only used for plugin-analysis, AU plugins are otherwise not
replicated, and variable-i/o is used instead

1 files changed, 5 insertions, 0 deletions

diff --git a/libs/ardour/audio_unit.cc b/libs/ardour/audio_unit.cc
index ad9a245ba6..9d79928bac 100644
--- a/libs/ardour/audio_unit.cc
+++ b/libs/ardour/audio_unit.cc
@@ -498,6 +498,11 @@ AUPlugin::AUPlugin (const AUPlugin& other)
 
 {
 	init ();
+
+	XMLNode root (other.state_node_name ());
+	other.add_state (&root);
+	set_state (root, Stateful::loading_state_version);
+
 	for (size_t i = 0; i < descriptors.size(); ++i) {
 		set_parameter (i, other.get_parameter (i));
 	}