/*

* Copyright (c) 2005 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:  

*

*/

#ifndef CMCEAUDIOSTREAM_H

#define CMCEAUDIOSTREAM_H

//  INCLUDES

#include <e32std.h>  		

#include <mcemediastream.h>

// CONSTANTS

const TMceMediaType KMceAudio = 1;

// FORWARD DECLARATIONS

class CMceAudioCodec;

// CLASS DECLARATION

/**

* Class for representing unidirectional audio stream.

*

* It defines the used audio codecs for the stream.

* In order to be complete structure, at least one codec is required.

*

*  @lib mceclient.lib

*/

class CMceAudioStream: public CMceMediaStream

	{

	public: // Constructors and destructor

	    /**

	    * Two-phased constructor.

	    */

		IMPORT_C static CMceAudioStream* NewL();

	    /**

	    * Two-phased constructor.

	    */

		IMPORT_C static CMceAudioStream* NewLC();

	    /**

	    * Destructor.

	    */

		IMPORT_C ~CMceAudioStream();

	public: // Functions

	    /**

	    * Returns the available codecs to the session.

	    * For CMEOutSession, array contains all codecs supported by

	    * terminal in default. For CMEInSession, array contains codecs

	    * that were offered by remote terminal, and supported by local terminal.

	    * @return codecs available for the session.

	    */

		IMPORT_C const RPointerArray<CMceAudioCodec>& Codecs();

	    /**

	    * Adds codec to the stream, ownership is transferred.

	    * @param aCodec codec added to the stream

	    */

		IMPORT_C void AddCodecL( CMceAudioCodec* aCodec );

	    /**

	    * Removes codec from the stream

	    * @param aCodec codec removed from stream

	    */

		IMPORT_C void RemoveCodecL( CMceAudioCodec& aCodec );

	public: //from CMceMediaStream

	    /**

	    * Initializes 

	    * @param aParent the parent

	    */

	    void InitializeL( CMceSession& aParent );

	    /**

	    * Initializes 

	    * @param aManager the manager. Ownership is NOT transferred

	    */

	   void InitializeL( CMceManager* aManager );

	private: //methods

	    /**

	     * C++ default constructor.

	     */

		CMceAudioStream();

	    /**

	    * Second-phase constructor.

	    */

		void ConstructL();

	private: // Owned data

	    /**

	     * codecs

	     */

		RPointerArray<CMceAudioCodec> iCodecs;

	};

#endif