--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/devsound/a3facf/inc/audiocontextfactory.h	Tue Feb 02 01:56:55 2010 +0200
@@ -0,0 +1,94 @@
+/*
+* Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+
+
+
+/**
+ @publishedPartner
+ @file
+ @released
+*/
+
+
+#ifndef AUDIOCONTEXTFACTORY_H
+#define AUDIOCONTEXTFACTORY_H
+
+#include <e32base.h>
+
+#include <a3f/a3fbase.h>
+
+class MAudioContext;
+
+/**
+ * An interface to an AudioContextFactory.
+ *
+ * Audio Context Factory is the entry point to the low level audio functionality of the device.
+ * Audio Context Factory is used for creating new audio contexts.
+ *
+ *  @lib AudioContextFactory.lib
+ */
+class CAudioContextFactory : public CBase
+	{
+public:
+	/**
+	 * Constructs and returns a pointer to a new CAudioContextFactory object.
+	 *
+	 * @return CAudioContextFactory* - on success, pointer to new class instance.
+	 * This call returns ownership, as in the standard NewL() pattern.
+	 */
+	IMPORT_C static CAudioContextFactory* NewL();
+
+	/**
+	 * Destructor.
+	 *
+	 * Deletes all objects and releases all resource owned by this instance.
+	 */
+	IMPORT_C virtual ~CAudioContextFactory();
+
+	/**
+	 * Creates a new audio context.
+	 *
+	 * The context must be removed using DeleteAudioContext() when it is no longer needed.
+	 * @param aContext on return contains a reference to the created context.
+	 * @return an error code. KErrNone if successful, otherwise one of the system wide error codes.
+ 	 */
+	IMPORT_C TInt CreateAudioContext(MAudioContext*& aContext);
+
+
+	/**
+	 * Deletes the audio context.
+	 * All processing units have to be removed from the context by the client.
+	 * before the context is removed. This is a null-operation if aContext is NULL on DeleteAudioContext being called.
+	 * aContext is set to NULL on completion of the call.
+	 * @param aContext a pointer to the context to remove.
+	 * @return an error code. KErrNone if successful, otherwise one of the system wide error codes.
+	 */
+	IMPORT_C void DeleteAudioContext(MAudioContext*& aContext);
+
+protected:
+	/**
+	 * Constructor
+	 */
+	CAudioContextFactory();
+	/**
+	 * Second phase contructor.
+	 */
+	void ConstructL();
+	};
+
+#endif // AUDIOCONTEXTFACTORY_H