From: fredb <fredb>
Date: Sun, 12 Nov 2006 13:54:50 +0000 (+0000)
Subject: Don't segfault when sound is not available
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=3394d3c840c6342712352d451d7cdf32623a2e3c;p=flightgear.git

Don't segfault when sound is not available
---

diff --git a/src/Instrumentation/mk_viii.hxx b/src/Instrumentation/mk_viii.hxx
index 60a3f9458..47b76440f 100755
--- a/src/Instrumentation/mk_viii.hxx
+++ b/src/Instrumentation/mk_viii.hxx
@@ -745,10 +745,10 @@ public:
 	inline SampleElement (SGSoundSample *sample, double volume = 1.0)
 	  : _sample(sample), _volume(volume) { silence = false; }
 
-	virtual inline void play (double volume) { set_volume(volume); _sample->play_once(); }
-	virtual inline void stop () { _sample->stop(); }
-	virtual inline bool is_playing () { return _sample->is_playing(); }
-	virtual inline void set_volume (double volume) { _sample->set_volume(volume * _volume); }
+        virtual inline void play (double volume) { if (_sample) { set_volume(volume); _sample->play_once(); } }
+	virtual inline void stop () { if (_sample) _sample->stop(); }
+        virtual inline bool is_playing () { return _sample ? _sample->is_playing() : false; }
+	virtual inline void set_volume (double volume) { if (_sample) _sample->set_volume(volume * _volume); }
       };
 
       /////////////////////////////////////////////////////////////////////////