diff -r 000000000000 -r 40261b775718 mmlibs/mmfw/inc/mmf/common/MmfUtilities.inl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmlibs/mmfw/inc/mmf/common/MmfUtilities.inl	Tue Feb 02 01:56:55 2010 +0200
@@ -0,0 +1,72 @@
+// Copyright (c) 2004-2009 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:
+// include\mmf\common\mmfutilities.inl
+// 
+//
+
+/**
+ 
+ Constructs the class with the supplied arguments.
+ 
+ This constructor is used when there are multiple streams of the same media type on the same
+ MDataSource.
+ 
+ @param  aMediaType
+ The media type (video, audio etc.).
+ @param  aStreamId
+ Identifies a specific stream when there are multiple streams of the same media type on 
+ the same MDataSource.
+*/
+inline TMediaId::TMediaId(TUid aMediaType, TUint aStreamId) : iMediaType(aMediaType), iStreamId(aStreamId), iReserved1(0), iReserved2(0), iReserved3(0) 
+	{
+	}
+
+/**
+Constructs the class with the supplied argument.
+	
+This constructor is used when there is a single stream of the same media type on the same
+MDataSource.
+
+@param  aMediaType
+        The media type (video, audio etc.).
+*/
+inline TMediaId::TMediaId(TUid aMediaType) : iMediaType(aMediaType), iStreamId(0), iReserved1(0), iReserved2(0), iReserved3(0) 
+	{
+	}
+
+/**
+Default constructor.
+*/
+inline TMediaId::TMediaId() : iMediaType(KNullUid), iStreamId(0), iReserved1(0), iReserved2(0), iReserved3(0) 
+	{
+	}
+
+/**
+Unpacks the FourCC code in little-endian format into the space provided by the argument.
+
+The argument must be a pointer to a buffer of 4 bytes or greater.
+
+@param aDes
+       A buffer to hold the unpacked FourCC code.
+*/
+inline void TFourCC::FourCC( TPtr8* aDes ) const
+	{
+	TUint8 char1 = TUint8( iFourCC ) ;
+	TUint8 char2 = TUint8( iFourCC >> 8 ) ;
+	TUint8 char3 = TUint8( iFourCC >> 16 ) ;
+	TUint8 char4 = TUint8( iFourCC >> 24 ) ;
+
+	aDes->Format( _L8("%1c%1c%1c%1c"), char1, char2, char3, char4 ) ;
+	}
+