From 7c69b0ab8228a8aeae1185ccfca7d567e5e06306 Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Wed, 5 Feb 2014 18:49:32 +0100
Subject: add debug-message to track down missing Sources

---
 libs/ardour/session_state.cc | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/libs/ardour/session_state.cc b/libs/ardour/session_state.cc
index f3ad9d66dd..1728c11244 100644
--- a/libs/ardour/session_state.cc
+++ b/libs/ardour/session_state.cc
@@ -979,9 +979,19 @@ Session::state (bool full_state)
 
 				if (!fs->destructive()) {
 					if (fs->empty() && !fs->used()) {
+#ifndef NDEBUG
+						cerr << "DEBUG: source '"
+							<< fs->name() << "' id: "
+							<< fs->id() << " is marked as empty and unused and is not saved.\n";
+#endif
 						continue;
 					}
 				}
+#ifndef NDEBUG
+				cerr << "DEBUG: saving source '"
+					<< fs->name() << "' id: "
+					<< fs->id() << ".\n";
+#endif
 
 				child->add_child_nocopy (siter->second->get_state());
 			}
-- 
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