/*

* 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 __RtpSessionDef_H

#define __RtpSessionDef_H

// CONSTANTS

const TUint KMaxRtpPacketSize = 8192; // 65536 bits = 8192 bytes

const TUint KMaxRtcpPacketSize = 1024;

// Default bandwidth in bps

const TUint KRtpDefaultBandWidth = 64000;

// Minimum bandwidth in bps

const TUint KRtpMinimumBandWidth = 8000;

// RTCP minimum interval (ms) (default is 5 seconds)

const TUint KRtpDefaultRtcpInterval = 5000;

// RTCP bandwidth fraction (default is 5%)

const TReal KRtpDefaultRtcpFrac = 0.05;

// Fraction of RTCP bandwidth to be shared among active senders

const TReal KRtpDefaultSenderBWFrac = 0.25;

// Fraction of RTCP bandwidth to be shared among receivers

const TReal KRtpDefaultObserverBWFrac = 1 - KRtpDefaultSenderBWFrac;

// Default RTCP average packet size

const TUint KAverageRtcpPacketLength = 128;

// Default RTCP minimum interval (ms)

const TUint KMinRtcpTimeInterval = 3000;

// Compensation for RTCP interval (ms)

const TReal KCompensationRtcp = 2.71828 - 1.5;

// Used to calculate the average size of an RTCP packet, this represents

// the fraction by which the most recent RTCP packet influences the average value

const TUint KRtcpMaximumParticipants = 256;

// Dictates how often the SDES information is sent

const TInt KSDES_SEND_PACKET = 5;

// use temporarily in building RTCP report

const TUint KMaxNumActiveRcvStreams = 128;  

// CLASS DECLARATION

class TStream

    {

    public :

        inline TStream( const TRtpId aMagicKey );

        inline TStream( const TRtpId aMagicKey, const TUint aStreamAddress );

        inline const TRtpId GetMagicKey() const;

        inline const TUint GetStreamAddress() const;

        static const TInt iOffset;

    private:

        const TRtpId iMagicKey;

        const TUint iStreamAddress;

    };

#include "rtpsessiondef.inl"

#endif

// End of file