From 3f9d79e7abb0c2ef12992573853554729a021b26 Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Fri, 20 Sep 2019 19:40:29 +0200
Subject: Handle an unused edge-case

In practice PanControllable::owner cannot be NULL, but in theory it
could be (and might be for Mixbus6 internal panning).
---
 libs/ardour/pan_controllable.cc | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'libs/ardour/pan_controllable.cc')

diff --git a/libs/ardour/pan_controllable.cc b/libs/ardour/pan_controllable.cc
index 3b45622b08..5b257158fe 100644
--- a/libs/ardour/pan_controllable.cc
+++ b/libs/ardour/pan_controllable.cc
@@ -58,5 +58,12 @@ PanControllable::actually_set_value (double v, Controllable::GroupControlDisposi
 std::string
 PanControllable::get_user_string () const
 {
+	if (!owner) {
+		/* assume PanAzimuthAutomation, 0..1 */
+		float v = get_value ();
+		char buf[32];
+		snprintf(buf, sizeof(buf), "%.0f%%", 100.f * v);
+		return buf;
+	}
 	return owner->value_as_string (boost::dynamic_pointer_cast<const AutomationControl>(shared_from_this()));
 }
-- 
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