From cc7ff53e1f70c8ff6eab692de7adf815bf83ff91 Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Sun, 25 Jun 2017 01:56:53 +0200
Subject: Create a deep-copy of MIDI sources when saving snapshots

---
 libs/ardour/ardour/session.h | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'libs/ardour/ardour/session.h')

diff --git a/libs/ardour/ardour/session.h b/libs/ardour/ardour/session.h
index 2da54f8bbc..96adcf0981 100644
--- a/libs/ardour/ardour/session.h
+++ b/libs/ardour/ardour/session.h
@@ -1901,7 +1901,13 @@ class LIBARDOUR_API Session : public PBD::StatefulDestructible, public PBD::Scop
 
 	void  update_latency (bool playback);
 
-	XMLNode& state(bool);
+	enum snapshot_t {
+		NormalSave,
+		SnapshotKeep,
+		SwitchToSnapshot
+	};
+
+	XMLNode& state(bool, snapshot_t snapshot_type = NormalSave);
 
 	/* click track */
 	typedef std::list<Click*> Clicks;
-- 
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