From fe5b81e1805b15e14865124bcca9543f23f3f3f8 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@musicpd.org>
Date: Thu, 2 Jul 2020 15:13:05 +0200
Subject: [PATCH] output/osx: check `started` in Close() and Cancel()

---
 src/output/plugins/OSXOutputPlugin.cxx | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/output/plugins/OSXOutputPlugin.cxx b/src/output/plugins/OSXOutputPlugin.cxx
index 10cf419e9..6d5bb3a23 100644
--- a/src/output/plugins/OSXOutputPlugin.cxx
+++ b/src/output/plugins/OSXOutputPlugin.cxx
@@ -667,7 +667,8 @@ OSXOutput::Disable() noexcept
 void
 OSXOutput::Close() noexcept
 {
-	AudioOutputUnitStop(au);
+	if (started)
+		AudioOutputUnitStop(au);
 	AudioUnitUninitialize(au);
 	delete ring_buffer;
 }
@@ -821,7 +822,11 @@ bool OSXOutput::Pause()
 void
 OSXOutput::Cancel() noexcept
 {
-	AudioOutputUnitStop(au);
+	if (started) {
+		AudioOutputUnitStop(au);
+		started = false;
+	}
+
 	ring_buffer->reset();
 #ifdef ENABLE_DSD
 	pcm_export->Reset();