From e13dcd7d7dab84b4ade24daf647593126442e25d Mon Sep 17 00:00:00 2001
From: Klaus Basan <klaus.basan@klausbasan.de>
Date: Tue, 31 Mar 2020 15:48:44 +0200
Subject: [PATCH] Fix for graceful shutdown to avoid "nullptr" issue

see https://discordapp.com/channels/539048679160676382/539925070550794240/694331123643187232
---
 src/blackcore/context/contextaudio.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/blackcore/context/contextaudio.cpp b/src/blackcore/context/contextaudio.cpp
index cff31e5df..1cbd03d23 100644
--- a/src/blackcore/context/contextaudio.cpp
+++ b/src/blackcore/context/contextaudio.cpp
@@ -231,7 +231,11 @@ namespace BlackCore
         void CContextAudioBase::gracefulShutdown()
         {
             this->terminateVoiceClient();
-            m_selcalPlayer->gracefulShutdown();
+            if (m_selcalPlayer)
+            {
+                m_selcalPlayer->gracefulShutdown();
+                m_selcalPlayer = nullptr;
+            }
             QObject::disconnect(this);
         }