/*

* 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 RtpStreamDef_H

#define RtpStreamDef_H

// CONSTANTS

const TUint KSNMaxArray = 200;

// Number of seconds between 1-Jan-1900 and 1-jan-1970

const TUint32 KGetTimeOfDayToNTPOffset = 2208988800U;

// CLASS DECLARATIONS

/**

*  Callback class used by CRtpStream and CRtpSession. 

*

*  @lib RtpService.dll

*/

class MSsrcCheckCallback

    {

    public:

        /**

         * Inform this object that a new SSRC is found within a packet

         */

        virtual TInt CheckRemoteSsrcL( TRtpSSRC& aSSRC ) = 0;

        virtual TBool CheckRemoteAddr() =0;

    };

/**

*  stream time synchronization struct for NTP time calculation

*

*  @lib RtpService.dll

*/

class TRtpTimeSync

    {

    public:

        // for RX stream: they record the NTP time from SR and will be used by creating RR

        // for TX stream: they are generated for creating SR.

        TUint32 iNTPTimeStampSec;  // seconds

        TUint32 iNTPTimeStampFrac; // fraction

        // RTP Time stamp of last packet sent by TX stream

        TRtpTimeStamp iTimeStamp;

        // for RX stream: time when last NTP time stamp (SR report) has been received.

        // for TX stream: time of initialization (for NTP synchronization)

        TUint32 iLastUpdateLocalTime;

    };

/**

*  stream time jitter struct, just be used by receiving stream

*

*  @lib RtpService.dll

*/

class TRtpTimeJitter

    {

    public:

        TUint32 iTimeStampResolution;   

        // The time of arrival in tenth of ms. 

        TUint32 iLastPacketR;

        // The RTP timestamp from last packet

        TRtpTimeStamp iLastPacketS;          

        //

        // keeps jitter time for RR report. 

        // It will be tailored to TUint32 when assigned to RR.JitterTime.

        //

        TReal64 iJitterTime;

        TUint32 iWaitTime;

    };

class TRtcpReceiverStats

    {

    public:

        TRtpSSRC iSSRC;              // SSRC receiver number 

        TUint8 iFractionLost;        // fraction lost 

        TUint32 iCumNumPacketsLost;  // packets lost

        TUint32 iSeqNumReceived;     // sequence number

        TUint32 iArrivalJitter;      // arrival jitter 

        TUint32 iRoundTripDelay;     // round trip delay of RTP packet 

        TUint32 iBandwidth;          // receiver bandwidth (bps) calculated by the transmitter 

        TUint32 iTxBandwidth;        // transmitter bandwidth (bps) calculated at transmitter 

        TUint32 iChannelBufferSize;  // an estimate of the channel buffer size 

    };

class TRtcpSenderStats

    {

    public:

        TRtpSSRC iSSRC;              // SSRC transmitter number 

        TUint32 iNumPacketsSent;     // number of packets sent 

        TUint32 iCumNumOctetsSent;   // number of octets sent 

        TUint32 iNTPTimeStampSec;    // NTP seconds

        TUint32 iNTPTimeStampFrac;   // NTPfraction

        TUint32 iTimeStamp;          // RTP Time stamp of last packet sent by TX stream

    };

class TRtcpStats

    {

    public:

        TRtcpSenderStats iRtcpSenderStats;      // Sender's statistic structure 

        TRtcpReceiverStats iRtcpReceiverStats;  // Receiver's statistic structure 

    };

#endif	// RtpStreamDef_H