PlayHandle: use QList instead of QVector for PlayHandle array

Use QList instead of QVector when using a set of PlayHandle's. QList
has faster insert/remove operations and in most cases we iterate through
the array using iterators so there's no performance drop.

Signed-off-by: Tobias Doerffel <tobias.doerffel@gmail.com>
(cherry picked from commit 2cc49b8010)

include/mixer.h

@@ -234,7 +234,7 @@ public:
 
 	void removePlayHandle( playHandle * _ph );
 
-	inline playHandleVector & playHandles( void )
+	inline PlayHandleList & playHandles( void )
 	{
 		return m_playHandles;
 	}
@@ -443,8 +443,8 @@ private:
 	QWaitCondition m_queueReadyWaitCond;
 
 
-	playHandleVector m_playHandles;
-	constPlayHandleVector m_playHandlesToRemove;
+	PlayHandleList m_playHandles;
+	ConstPlayHandleList m_playHandlesToRemove;
 
 	struct qualitySettings m_qualitySettings;
 	float m_masterGain;

include/play_handle.h

@@ -1,8 +1,8 @@
 /*
  * play_handle.h - base-class playHandle - core of rendering engine
  *
- * Copyright (c) 2004-2008 Tobias Doerffel <tobydox/at/users.sourceforge.net>
- * 
+ * Copyright (c) 2004-2009 Tobias Doerffel <tobydox/at/users.sourceforge.net>
+ *
  * This file is part of Linux MultiMedia Studio - http://lmms.sourceforge.net
  *
  * This program is free software; you can redistribute it and/or
@@ -22,7 +22,6 @@
  *
  */
 
-
 #ifndef _PLAY_HANDLE_H
 #define _PLAY_HANDLE_H
 
@@ -98,8 +97,8 @@ private:
 } ;
 
 
-typedef QVector<playHandle *> playHandleVector;
-typedef QVector<const playHandle *> constPlayHandleVector;
+typedef QList<playHandle *> PlayHandleList;
+typedef QList<const playHandle *> ConstPlayHandleList;
 
 
 #endif