unregister the premix proc when you go away

svn-id: r11755

2 files changed, 5 insertions, 1 deletions

diff --git a/sword1/music.cpp b/sword1/music.cpp
index 5ed0b8e568..8926eb8d46 100644
--- a/sword1/music.cpp
+++ b/sword1/music.cpp
@@ -40,6 +40,10 @@ SwordMusic::SwordMusic(OSystem *system, SoundMixer *pMixer) {
 	assert(_mixer->getOutputRate() == 22050);
 }
 
+SwordMusic::~SwordMusic() {
+	_mixer->setupPremix(0, 0);
+}
+
 void SwordMusic::passMixerFunc(void *param, int16 *buf, uint len) {
 	((SwordMusic*)param)->mixer(buf, len);
 }
diff --git a/sword1/music.h b/sword1/music.h
index d55e96f432..f273faf7cc 100644
--- a/sword1/music.h
+++ b/sword1/music.h
@@ -32,11 +32,11 @@
 #define WAVEHEADERSIZE 0x2C
 
 class SoundMixer;
-//class File;
 
 class SwordMusic {
 public:
 	SwordMusic(OSystem *system, SoundMixer *pMixer);
+	~SwordMusic();
 	void stream(void);
 	void startMusic(int32 tuneId, int32 loopFlag);
 	void fadeDown(void);