/*

* Copyright (c) 2006 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 MCCSYMSIMPLEDLSTREAM_H

#define MCCSYMSIMPLEDLSTREAM_H

//  INCLUDES

#include "mccsymstreambase.h"

#include "mccrtpdatasource.h"

#include "mccjitterbufferobserver.h"

// FORWARD DECLARATIONS

class CMMFFormatDecode;

class MMccResources;

// CLASS DECLARATION

/**

*  MCP Symmetric subthread simple downlink stream

*

*  @lib Mccsubthreads.lib

*  @since Series 60 3.0

*/

NONSHARABLE_CLASS( CMccSymSimpleDlStream ) : public CMccSymStreamBase, public MJitterBufferObserver

    {

    public:  // Constructors and destructor

        /**

        * Static constructor

        */

        static CMccSymSimpleDlStream* NewLC( TUint32 aMccStreamId, 

                                             MAsyncEventHandler* aEventhandler,  

                                             MMccResources* aMccResources,

                                             CMccRtpManager* aManager, 

                                             TFourCC aFourCC, 

                                             TInt aStreamType );

        /**

        * Destructor.

        */

        virtual ~CMccSymSimpleDlStream();

    public: // New functions

		void CreatePayloadFormatDecoderL();

    public: // Functions from base classes

        /**

        * From CMccSymStreamBase

        */

        void SetPrioritySettingsL( const TMMFPrioritySettings& aPriority );

        /**

        * From CMccSymStreamBase

        */

        void AddSinkAndSourceL( MDataSink* aDatasink, 

                MDataSource* aDatasource );

        /**

        * From CMccSymStreamBase

        */      

        void LoadCodecL( const TMccCodecInfo& aCodecInfo,

                         const TDesC8& aFmtp );

        void UpdateCodecInformationL( TMccCodecInfo& aCodecInfo );

        /**

        * From CMccSymStreamBase

        */

        void PrimeL( const TUint32 aEndpointId );

        /**

        * From CMccSymStreamBase

        */

        void PlayL( const TUint32 aEndpointId,

        			TBool aStreamPaused, 

                    TBool aEnableRtcp );

        /**

        * From CMccSymStreamBase

        */

        void PauseL( const TUint32 aEndpointId,

        			 TBool aEnableRtcp );

        /**

        * From CMccSymStreamBase

        */

        void ResumeL( const TUint32 aEndpointId,

        			  TBool aEnableRtcp );

        /**

        * From CMccSymStreamBase

        */

        void StopL( const TUint32 aEndpointId );

        /**

        * From CMccSymStreamBase

        */

        void SetBalanceL( TInt aLeftbal, TInt aRightbal );

        /**

        * From CMccSymStreamBase

        */

        void GetBalanceL( TInt& aLeftbal, TInt& aRightbal );

        /**

        * From CMccSymStreamBase

        */ 

        void GetSSRCL( TUint32& aSSRCValue );

        /**

        * From CMccSymStreamBase

        */

        void ResetCountersL();

        /**

        * From CMccSymStreamBase

        */

        void SendMediaSignalL( const TMccEvent& aEvent );

        /**

        * Sends RTCP receiver report.

        * @param none

        * @return One of the standard system-wide error codes.

        */

        void SendRTCPReceiverReportL();

        /** 

        * Starts inactivity timer for a stream

        * @param aTimeoutTime - [input] timeout value in milliseconds

        * @return One of the standard system-wide error codes.

        */

        void StartInactivityTimerL( TUint32 aTimeoutTime );

        /**

        * Stops inactivity timer for a stream 

        * @return One of the standard system-wide error codes.

        */

        void StopInactivityTimerL();

        /**

        * Checks if stream is uplink 

        * @return EFalse for downlink stream.

        */

        TBool IsUplink();

        /**

        * Sets stream to standby mode. 

        */

        void StandByL();

        /**

         * From MJitterBufferObserver

         */

        void JitterBufferError( TInt aError );

        /**

         * From MJitterBufferObserver

         */

        void DynamicBufferChangeRequest( TInt aBufferSize );

    private:

        /**

        * C++ default constructor.

        */

        CMccSymSimpleDlStream( TUint32 aMccStreamId, 

                               MAsyncEventHandler* aEventhandler, 

                               MMccResources* aMccResources,

                               CMccRtpManager* aManager, 

                               TFourCC aFourCC, 

                               TInt aStreamType );

        /**

        * 2nd phase constructor

        */

        void ConstructL();

    protected: // Functions from base classes

        MDataSink* MultiplexerSink();

    private:    // Data

    	TFourCC iFourCC;

        CMMFFormatDecode* iFormatDecode;

    private: // friend class

        #ifdef TEST_EUNIT

        friend class UT_CMccSymSimpleDlStream;

        #endif

    };

#endif      // MCCSYMSIMPLEDLSTREAM_H

// End of File