diff -r 000000000000 -r bde4ae8d615e os/mm/devsound/devsoundrefplugin/inc/SwCodecWrapper/mmfSwCodecWrappercustomInterfacesUIDs.hrh
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/mm/devsound/devsoundrefplugin/inc/SwCodecWrapper/mmfSwCodecWrappercustomInterfacesUIDs.hrh	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,46 @@
+// Copyright (c) 2003-2009 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 
+ @released
+ @file
+*/
+
+#ifndef __MMF_SWCODECWRAPPERCUSTOMINTERFACESUIDS_HRH__
+#define __MMF_SWCODECWRAPPERCUSTOMINTERFACESUIDS_HRH__
+
+/**
+Custom Interface Uid for these Hw Device implementations
+*/
+
+#define KMmfPlaySettingsCustomInterface		0x101F9FC1
+#define KMmfRecordSettingsCustomInterface	0x101F9FC2
+#define KMmfUidEmptyBuffersCustomInterface	0x1027379d
+
+/**
+Message from sw codec wrapper to hw device observer
+to tell it to update the bytes played via its play settings
+custom interface
+*/
+
+#define KMmfHwDeviceObserverUpdateBytesPlayed	0x101FE2A4
+
+/**
+Custom Interface Uid for TTaskConfig
+*/
+#define KUidRefDevSoundTaskConfig				0x1020428A
+
+#endif