// 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 ) ;

	}