/*

* Copyright (c) 2004-2005 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 __RTPSTREAM_H

#define __RTPSTREAM_H

#include <rtpdef.h>

#include "rtputil.h"

#include "rtppacket.h"

#include "rtpstreamdef.h"

/**

*  Base class for RTP stream. 

*

*  @lib RtpService.dll

*/

class CRtpStream : public CBase

    {

    #if defined( _DEBUG ) && defined( RTP_UNIT_TEST )

    // Friend class used for testing

        friend class CRtpUtRtpSession;

    #endif     

    public:

        ~CRtpStream();

        virtual TInt ResetStreamStat() = 0;

        inline TBool FirstPkg() const { return iFlagFirstPkg; };

        inline void SetFirstPkg( TBool aFlg ) { iFlagFirstPkg = aFlg; };

        inline TRtpSSRC GetLocalSSRC() const { return iLocalSSRC; };

        inline void SetLocalSSRC( TRtpSSRC aSSRC ) { iLocalSSRC = aSSRC; };

        inline void RegisterRtcpObserver( MRtcpObserver& aRtcpObserver ) { iRtcpObserver = &aRtcpObserver; };

        inline void UnRegisterRtcpObserver()  { iRtcpObserver = NULL; };

        inline TRtpId GetStreamID() const { return iStreamId; };

        inline void RtcpStats( TRtcpStats& aRtcpStat ) { aRtcpStat = iRtcpStats; }; 

        virtual TInt GetStreamStat( TRtpPeerStat& aStat ) = 0;

        virtual TRtpRtcpEnum RtpStreamProcessRtcpReportSectionL( CRtpPacket* aPkt ) = 0;

        virtual void RtpStreamCreateRtcpReportSection( CRtpPacket* aPkt ) = 0;

    protected:

        CRtpStream( const TRtpId aReceiveStreamId,

                    const TRtpId aSessionId,

                    const TUint32* aProfileRTPTimeRates,

                    MRtcpObserver* aRtcpObserver,

                    const TRtpPayloadType aPayloadType );

    protected: 

        TBool iFlagFirstPkg;

        TRtpSSRC iLocalSSRC;

        TRtpId iStreamId;

        TRtpId iSessionId; // id of session which the stream belongs to

        TRtpSequence iBaseSeqNum;

        TRtpSequence iSeqNum;

        TRtpSequence iSeqNumCycles;

        TRtpTimeStamp iTimeStamp;

        TRtpTimeSync iSyncInfo;          

        TRtcpStats iRtcpStats;

        TRtpPayloadType iPayload;     

        const TUint32* iProfileRTPTimeRates;

        MRtcpObserver* iRtcpObserver; // rtcp callback

     private:    

	    #ifdef EUNIT_TESTING

		  friend class UT_CRtpSession;

		  friend class UT_CRtpStream;

		#endif     	    

    };

#endif  // __RTPSTREAM_H

// End of File