1 /*

     2 * Copyright (c) 2006-2008 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:    Mcc Internal definitions

    15 *

    16 */

    17 

    18 

    19 

    20 

    21 #ifndef MCCRATEADAPTATIONDEF_H

    22 #define MCCRATEADAPTATIONDEF_H

    23 

    24 // INCLUDES

    25 #include <utf.h>

    26 #include <e32debug.h>

    27 #include "rtpdef.h"

    28 

    29 // CONSTANTS

    30 const TInt KRoundTripTimeLimit = 4000;

    31 

    32 const TReal KAdaptation = 0.2;      //rate control

    33 const TReal KAdaptationMore = 0.3;  //rate control

    34 

    35 const TInt KMccShortTermCalculation = 5;

    36 const TInt KMccLongTermCalculation = 15;

    37 

    38 #define RATECONTROL

    39 //#define FRAMERATECONTROL //enables framerate change in RateControl

    40 #ifdef FRAMERATECONTROL

    41 const TInt KIPULFrameRate10Limit    = 50000;

    42 const TInt KIPULFrameRate5Limit     = 32000;

    43 #endif //FRAMERATECONTROL

    44 

    45 // rate control thresholds

    46 class TThresholdValues

    47     {

    48 public:

    49     TInt iFractionLostHigh;

    50     TInt iFractionLostLow;

    51     TInt iBufferCountHigh;

    52     TInt iBufferCountLow;

    53     TInt iBandwidthHigh;

    54     TInt iBandwidthLow;

    55     };

    56 

    57 const TInt KMccFirstIcmpError       = 1;

    58 

    59 // Cisco IOS default for ICMP report generation is once per 500ms. Threshold

    60 // parameters are adjusted according to that default because better statistics

    61 // is not available. Rate-limits for ICMP generation varies according to

    62 // the vendor and media errors cannot be detected too reliably by observing 

    63 // ICMPs.

    64 const TInt KMccIcmpErrorThreshold   = 9;

    65 const TInt64 KMccIcmpErrorTimeWindow= 10000000; // 10 seconds

    66 

    67 // DATA TYPES

    68 

    69 #endif