1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/mm/mmlibs/mmfw/inc/mmf/common/MmfUtilities.inl	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,72 @@
     1.4 +// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +// include\mmf\common\mmfutilities.inl
    1.18 +// 
    1.19 +//
    1.20 +
    1.21 +/**
    1.22 + 
    1.23 + Constructs the class with the supplied arguments.
    1.24 + 
    1.25 + This constructor is used when there are multiple streams of the same media type on the same
    1.26 + MDataSource.
    1.27 + 
    1.28 + @param  aMediaType
    1.29 + The media type (video, audio etc.).
    1.30 + @param  aStreamId
    1.31 + Identifies a specific stream when there are multiple streams of the same media type on 
    1.32 + the same MDataSource.
    1.33 +*/
    1.34 +inline TMediaId::TMediaId(TUid aMediaType, TUint aStreamId) : iMediaType(aMediaType), iStreamId(aStreamId), iReserved1(0), iReserved2(0), iReserved3(0) 
    1.35 +	{
    1.36 +	}
    1.37 +
    1.38 +/**
    1.39 +Constructs the class with the supplied argument.
    1.40 +	
    1.41 +This constructor is used when there is a single stream of the same media type on the same
    1.42 +MDataSource.
    1.43 +
    1.44 +@param  aMediaType
    1.45 +        The media type (video, audio etc.).
    1.46 +*/
    1.47 +inline TMediaId::TMediaId(TUid aMediaType) : iMediaType(aMediaType), iStreamId(0), iReserved1(0), iReserved2(0), iReserved3(0) 
    1.48 +	{
    1.49 +	}
    1.50 +
    1.51 +/**
    1.52 +Default constructor.
    1.53 +*/
    1.54 +inline TMediaId::TMediaId() : iMediaType(KNullUid), iStreamId(0), iReserved1(0), iReserved2(0), iReserved3(0) 
    1.55 +	{
    1.56 +	}
    1.57 +
    1.58 +/**
    1.59 +Unpacks the FourCC code in little-endian format into the space provided by the argument.
    1.60 +
    1.61 +The argument must be a pointer to a buffer of 4 bytes or greater.
    1.62 +
    1.63 +@param aDes
    1.64 +       A buffer to hold the unpacked FourCC code.
    1.65 +*/
    1.66 +inline void TFourCC::FourCC( TPtr8* aDes ) const
    1.67 +	{
    1.68 +	TUint8 char1 = TUint8( iFourCC ) ;
    1.69 +	TUint8 char2 = TUint8( iFourCC >> 8 ) ;
    1.70 +	TUint8 char3 = TUint8( iFourCC >> 16 ) ;
    1.71 +	TUint8 char4 = TUint8( iFourCC >> 24 ) ;
    1.72 +
    1.73 +	aDes->Format( _L8("%1c%1c%1c%1c"), char1, char2, char3, char4 ) ;
    1.74 +	}
    1.75 +