From 28a522806bb1a670b460f0bfbf8d6147910dea72 Mon Sep 17 00:00:00 2001
From: Hyunjin Song <tteu.ingog@gmail.com>
Date: Wed, 27 Jun 2018 08:59:36 +0900
Subject: [PATCH] Fix hang on exit from specific MIDI devices + WinMM (#4451)

---
 src/core/midi/MidiWinMM.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/core/midi/MidiWinMM.cpp b/src/core/midi/MidiWinMM.cpp
index a59ebc69e..ef60f3015 100644
--- a/src/core/midi/MidiWinMM.cpp
+++ b/src/core/midi/MidiWinMM.cpp
@@ -248,9 +248,13 @@ void MidiWinMM::closeDevices()
 	m_outputSubs.clear();
 
 	QMapIterator<HMIDIIN, QString> i( m_inputDevices );
+
+	HMIDIIN hInDev;
 	while( i.hasNext() )
 	{
-		midiInClose( i.next().key() );
+		hInDev = i.next().key();
+		midiInReset( hInDev );
+		midiInClose( hInDev );
 	}
 
 	QMapIterator<HMIDIOUT, QString> o( m_outputDevices );