1 /*

     2 * Copyright (c) 2004-2005 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:    

    15 *

    16 */

    17 

    18 

    19 

    20 

    21 #ifndef __RtpSessionDef_H

    22 #define __RtpSessionDef_H

    23 

    24 // CONSTANTS

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

    26 const TUint KMaxRtcpPacketSize = 1024;

    27 

    28 // Default bandwidth in bps

    29 const TUint KRtpDefaultBandWidth = 64000;

    30 

    31 // Minimum bandwidth in bps

    32 const TUint KRtpMinimumBandWidth = 8000;

    33 

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

    35 const TUint KRtpDefaultRtcpInterval = 5000;

    36 

    37 // RTCP bandwidth fraction (default is 5%)

    38 const TReal KRtpDefaultRtcpFrac = 0.05;

    39 

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

    41 const TReal KRtpDefaultSenderBWFrac = 0.25;

    42 

    43 // Fraction of RTCP bandwidth to be shared among receivers

    44 const TReal KRtpDefaultObserverBWFrac = 1 - KRtpDefaultSenderBWFrac;

    45 

    46 // Default RTCP average packet size

    47 const TUint KAverageRtcpPacketLength = 128;

    48 

    49 // Default RTCP minimum interval (ms)

    50 const TUint KMinRtcpTimeInterval = 3000;

    51 

    52 // Compensation for RTCP interval (ms)

    53 const TReal KCompensationRtcp = 2.71828 - 1.5;

    54 

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

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

    57 const TUint KRtcpMaximumParticipants = 256;

    58 

    59 // Dictates how often the SDES information is sent

    60 const TInt KSDES_SEND_PACKET = 5;

    61 

    62 // use temporarily in building RTCP report

    63 const TUint KMaxNumActiveRcvStreams = 128;  

    64 

    65 // CLASS DECLARATION

    66 class TStream

    67     {

    68     public :

    69         inline TStream( const TRtpId aMagicKey );

    70 

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

    72 

    73         inline const TRtpId GetMagicKey() const;

    74 

    75         inline const TUint GetStreamAddress() const;

    76 

    77         static const TInt iOffset;

    78 

    79     private:

    80         const TRtpId iMagicKey;

    81         const TUint iStreamAddress;

    82     };

    83 

    84 #include "rtpsessiondef.inl"

    85 

    86 #endif

    87 

    88 // End of file