From 581c7b6b10ac002b39ca1e24b33f3ed65f5c8001 Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Wed, 7 Dec 2016 12:50:35 +0100
Subject: Speed up unloading large sessions.

---
 libs/ardour/session.cc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/libs/ardour/session.cc b/libs/ardour/session.cc
index 06d19672b9..b5853d38b4 100644
--- a/libs/ardour/session.cc
+++ b/libs/ardour/session.cc
@@ -3613,7 +3613,10 @@ Session::remove_routes (boost::shared_ptr<RouteList> routes_to_remove)
 				continue;
 			}
 
-			(*iter)->solo_control()->set_value (0.0, Controllable::NoGroup);
+			/* speed up session deletion, don't do the solo dance */
+			if (0 == _state_of_the_state & Deletion) {
+				(*iter)->solo_control()->set_value (0.0, Controllable::NoGroup);
+			}
 
 			rs->remove (*iter);
 
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