From 3fa6dc71e21fde5e66928b9e7ce8ea7d66fc6e1f Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@musicpd.org>
Date: Mon, 26 Dec 2016 20:10:00 +0100
Subject: output/Source: add assertion

---
 src/output/Source.hxx | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/output/Source.hxx')

diff --git a/src/output/Source.hxx b/src/output/Source.hxx
index 9209d8837..3caa16d7b 100644
--- a/src/output/Source.hxx
+++ b/src/output/Source.hxx
@@ -128,6 +128,8 @@ public:
 	}
 
 	const AudioFormat &GetInputAudioFormat() const {
+		assert(IsOpen());
+
 		return in_audio_format;
 	}
 
-- 
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