RageSound handles SOUNDMAN->playing_sounds itself

stepmania/src/RageSound.cpp

@@ -520,6 +520,7 @@ void RageSound::StartPlaying()
 	/* Tell the sound manager to start mixing us. */
 	playing = true;
 	SOUNDMAN->StartMixing(this);
+	SOUNDMAN->playing_sounds.insert( this );
 }
 
 void RageSound::StopPlaying()
@@ -531,6 +532,7 @@ void RageSound::StopPlaying()
 
 	/* Tell the sound manager to stop mixing this sound. */
 	SOUNDMAN->StopMixing(this);
+	SOUNDMAN->playing_sounds.erase( this );
 	playing = false;
 
 	pos_map.clear();

stepmania/src/RageSoundManager.cpp

@@ -46,14 +46,11 @@ RageSoundManager::~RageSoundManager()
 
 void RageSoundManager::StartMixing(RageSound *snd)
 {
-	playing_sounds.insert(snd);
 	driver->StartMixing(snd);
 }
 
 void RageSoundManager::StopMixing(RageSound *snd)
 {
-	playing_sounds.erase(snd);
-
 	driver->StopMixing(snd);
 
 	/* The sound is finished, and should be deleted if it's in owned_sounds.

stepmania/src/RageSoundManager.h

@@ -18,8 +18,6 @@ class RageSoundManager
 	/* Set of sounds that are finished and should be deleted. */
 	set<RageSound *> sounds_to_delete;
 
-	set<RageSound *> playing_sounds;
-
 	struct FakeSound {
 		float begin;
 		int samples_read;
@@ -59,6 +57,9 @@ public:
 	 * itself to this. */
 	set<RageSound *> all_sounds;
 	
+	/* RageSound adds and removes itself to this. */
+	set<RageSound *> playing_sounds;
+
 	static void MixAudio(Sint16 *dst, const Sint16 *src, Uint32 len, float volume);
 	static void AttenuateBuf( Sint16 *buf, int samples, float vol );
 };