/*

* Copyright (c) 2008 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:    See class definition below.

*

*/

#ifndef __CSessionHelper_H__

#define __CSessionHelper_H__

// INCLUDES

#include <e32std.h>

class CMceCodec;

class CMceMediaStream;

class CMceManager;

// CLASS DEFINITION

/**

 * Class providing common functionality for CreateSession and UpdateSession

 * commands

 */

class CSessionHelper

	{

	public:	// Constructors and destructor

		/**

		 * Constructor.

		 */

		CSessionHelper( ) {};

	public: 

		enum priorities 

		{

			uplink,

			downlink,

			dtmf	

		};

		/**

		Sets given predefined priorities to a given codec

		@param aCodec Codec to be modified

		@param aDownlink Direction of the stream the codec belongs to

		*/

		void SetCodecPrioritiesL(CMceCodec& aCodec, priorities aPri);

		/**

		Sets given priorities and preferences to a given codec

		@param aCodec Codec to be modified

		@param aPri Priority

		@param aPref Preference

		*/

		void SetCodecPriPrefL(CMceCodec& aCodec, TUint aPri, TUint aPref);

		/**

		Sets RTP keepalive values for a given codec

		@param

		*/

		void SetKeepaliveL(CMceCodec& aCodec, TInt aKeepaliveTimeSec);

		/**

		 * Sets RTP InactivityTimer for given media stream

		 */

		void SetRtpInactivityTimerL(CMceMediaStream& aStream, TInt aInactivityTimer);

		/**

		Creates filesource from the given file and sets it to stream.

		@param aManager

		@param aStream

		@param aFilename

		*/

		void SetMediaFileSourceL(CMceManager& aManager, CMceMediaStream& aStream, TPtrC8 aFilename );

		/**

		Creates filesink from the given file and sets it to instream.

		@param aStream

		@param aFilename

		*/

		void SetMediaFileSinkL(CMceMediaStream& aStream, TPtrC8 aFilename );

	};

#endif // __CSessionHelper_H__