From 266030b79c19c144cc093d69ee57117f742f8347 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Tue, 26 Jun 2012 20:49:52 +0000
Subject: [PATCH] some generic midi debugging plus an assert

git-svn-id: svn://localhost/ardour2/branches/3.0@12950 d708f5d6-7413-0410-9779-e7cbd77b26cf
---
 libs/surfaces/generic_midi/midicontrollable.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libs/surfaces/generic_midi/midicontrollable.cc b/libs/surfaces/generic_midi/midicontrollable.cc
index f866bab2bb..f721e7fbbc 100644
--- a/libs/surfaces/generic_midi/midicontrollable.cc
+++ b/libs/surfaces/generic_midi/midicontrollable.cc
@@ -210,6 +210,7 @@ MIDIControllable::lookup_controllable()
 void
 MIDIControllable::drop_controllable ()
 {
+	cerr << "removed controllable\n";
 	controllable_death_connection.disconnect ();
 	controllable = 0;
 }
@@ -243,6 +244,8 @@ MIDIControllable::midi_sense_controller (Parser &, EventTwoBytes *msg)
 		}
 	}
 
+	assert (controllable);
+
 	if (controllable->touching()) {
 		return; // to prevent feedback fights when e.g. dragging a UI slider
 	}