multimediacommscontroller/mmccrtpsourcesink/src/mccjittercalculator.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 01:04:58 +0200
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permissions -rw-r--r--
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/*
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* Copyright (c) 2005-2006 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:    MccJitterCalculator calculates jitter level and compares given
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*                triggers.
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*
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*/
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// INCLUDE FILES
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#include "mccinternaldef.h"
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#include "mccrtpdatasource.h"
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#include "mccjittercalculator.h"
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#include "mccinternalevents.h"
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#ifdef VOIP_TRACE_ENABLED
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#include <voip_trace.h>
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#endif
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#ifdef _DEBUG
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#define TRACE_JITCALC
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#include <e32svr.h>
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#endif
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// CONSTANTS
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// Packet interval for jitter/jitterbuffer stat reports
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const TUint KJitterReportInterval = 16;
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// Conversion factor from uSecs to mSecs
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const TInt KConversionFactor = 1000;
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// Samplerate in kHz, currently only 8kHz supported
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const TUint KSampleRate = 8;
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const TInt KNum4( 4 );
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const TInt KNum8( 8 );
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const TInt KNumZero( 0 );
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// CMccJitterCalculator::CMccJitterCalculator
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// C++ default constructor can NOT contain any code, that
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// might leave.
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// -----------------------------------------------------------------------------
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//
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CMccJitterCalculator::CMccJitterCalculator( MRtpJitterObserver& aObserver ) : 
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    iObserver( &aObserver )
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    {
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    }
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// -----------------------------------------------------------------------------
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// CMccJitterCalculator::ConstructL
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// Symbian 2nd phase constructor can leave.
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// -----------------------------------------------------------------------------
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//
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#ifdef FTD_ENABLED
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void CMccJitterCalculator::ConstructL()
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    {
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    TInt err = iStreamStatsQueue.OpenGlobal( KMccStreamStats, EOwnerProcess );
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    if ( KErrNone != err )
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        {
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        User::Leave( err );
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        }
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    err = iJBufStatsQueue.OpenGlobal( KMccJBufferStats, EOwnerProcess );
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    if ( KErrNone != err )
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        {
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        iStreamStatsQueue.Close();
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        User::Leave( err );
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        }
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    }
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#endif
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// -----------------------------------------------------------------------------
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// CMccJitterCalculator::NewL
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// Static constructor.
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// -----------------------------------------------------------------------------
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//
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CMccJitterCalculator* CMccJitterCalculator::NewL( MRtpJitterObserver& aObserver )
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    {
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    CMccJitterCalculator* self = 
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            new ( ELeave ) CMccJitterCalculator( aObserver );
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    #ifdef FTD_ENABLED
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    CleanupStack::PushL ( self );
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    self->ConstructL ();
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    CleanupStack::Pop( self );
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    #endif
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    return self;
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    }
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// -----------------------------------------------------------------------------
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// CMccJitterCalculator::~CMccJitterCalculator
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// Destructor.
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// -----------------------------------------------------------------------------
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//
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CMccJitterCalculator::~CMccJitterCalculator()
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    {
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    #ifdef TRACE_JITCALC
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        RDebug::Print( _L("CMccJitterCalculator::~CMccJitterCalculator IN") );
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    #endif
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    if ( IsObserving() )
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    	{
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        CancelObserving();               
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        }
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    iObserver = NULL;
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    #ifdef FTD_ENABLED
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    iStreamStatsQueue.Close();
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    iJBufStatsQueue.Close();
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    #endif
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    #ifdef TRACE_JITCALC
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        RDebug::Print( _L("CMccJitterCalculator::~CMccJitterCalculator OUT") );
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    #endif
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    }
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// -----------------------------------------------------------------------------
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// CMccJitterCalculator::RtpPacketReceived
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// Calculates jitter values
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// -----------------------------------------------------------------------------
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//
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void CMccJitterCalculator::RtpPacketReceived( const TUint32 aTimeStamp, 
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    TBool aMarker )
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    {
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    #ifdef TRACE_JITCALC
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        RDebug::Print( _L("CMccJitterCalculator::RtpPacketReceived IN") );
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    #endif
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    #ifdef VOIP_RECEIVED_RTP_PACKET_INFO_ENABLED
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        VoipTrace("%x %x %d %d %d", MCC_TRACE, MCC_RECEIVED_RTP_PACKET_INFO,
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        aHeaderInfo.iSeqNum, aHeaderInfo.iTimestamp, iPacketsReceived );
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    #endif
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    // Jitter calculating based on RFC3550 Appendix A.8, see www.ietf.org
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    if ( aMarker || !iPacketsReceived )
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        {
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        // A new talkspurt, redo calculations Marker bit is set after silent
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        // period and indicates that new speech data is received
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        iPrevPacketArrival.HomeTime();
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        TInt64 pcktTrans = iPrevPacketArrival.Int64() / TInt64( KConversionFactor );
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        // Convert timestamp to milliseconds and calculate transit time   
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        iPrevPacketTransit = 
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                pcktTrans - static_cast<TInt64>( ( aTimeStamp / KSampleRate ) );
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        // Reset jitter and packet counter for new talkspurt
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        iCurJitter = KNumZero;
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        iPacketsReceived = KNumZero;
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        }
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    else
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        {
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        // Just another packet in the talkspurt
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        TTime newPacket;
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        newPacket.HomeTime();
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        // Time of Arrival in milliseconds
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        TInt64 curPacketTOA = ( newPacket.Int64() / TInt64( KConversionFactor ) );
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        // Convert timestamp to milliseconds and calculate transit time
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        TInt64 curPacketTransit 
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            = curPacketTOA - static_cast<TInt64>( ( aTimeStamp / KSampleRate ) );
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        TInt64 diff = curPacketTransit - iPrevPacketTransit;
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        iPrevPacketTransit = curPacketTransit;
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        diff = Abs( diff );
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   183
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        // Jitter is floating mean value over 16 packets last received
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        iCurJitter +=  diff - ( ( iCurJitter + KNum8 ) >> KNum4 );
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        #ifdef TRACE_JITCALC
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            RDebug::Print( _L("CMccJitterCalculator::RtpPacketReceived CUR_TOA: %Ld"), curPacketTOA );
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            RDebug::Print( _L("CMccJitterCalculator::RtpPacketReceived CUR_TRANS: %Ld"), curPacketTransit );
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            RDebug::Print( _L("CMccJitterCalculator::RtpPacketReceived CUR_DIFF: %Ld"), diff );
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            RDebug::Print( _L("CMccJitterCalculator::RtpPacketReceived CUR_JITT: %Lu"), iCurJitter );
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            RDebug::Print( _L("CMccJitterCalculator::RtpPacketReceived SC_CUR_JITT: %Lu"), ( iCurJitter >> KNum4 ) );
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        #endif
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        }
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    iPacketsReceived++;
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    iCurTime.HomeTime();
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    #ifdef TRACE_JITCALC
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        RDebug::Print ( _L("CMccJitterCalculator::RtpPacketReceived newPacket = %Ld"), iCurTime.Int64() );
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    #endif
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    #ifdef FTD_ENABLED
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    TMccStreamStats stats;
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    stats.iPacketsReceived = iPacketsReceived;
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    stats.SetFieldUpdatedFlag( EPacketsReceived );
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    iStreamStatsQueue.Send( stats );
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    TMccJBufferStats jStats;
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    jStats.iJitterEstimate = iCurJitter;
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    iJBufStatsQueue.Send( jStats );
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    #endif 
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    // Report jitter if we have enough received packets and jitter
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    if ( !( iPacketsReceived % KJitterReportInterval ) && iCurJitter )
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        {
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        #ifdef TRACE_JITCALC
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            RDebug::Print( _L("CMccJitterCalculator::RtpPacketReceived SENDING RCV: %d"), iPacketsReceived );
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        #endif
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        TMccRtpEventData event( ( iCurJitter >> KNum4 ), 
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                                iPacketsReceived, 
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                                iPrevPacketTransit,
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                                KNumZero );
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        iObserver->SendJitterEvent( event, KErrNone );
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        }
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   228
    
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    JitterObserving();
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   230
    }
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   231
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// ---------------------------------------------------------------------------
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// CMccJitterCalculator::StartObserving
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// Switch to deside report type
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// ---------------------------------------------------------------------------
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//  
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TInt CMccJitterCalculator::StartObserving()
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    {
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   239
    #ifdef TRACE_JITCALC
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        RDebug::Print( _L("CMccJitterCalculator::StartObserving IN") );
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   241
    #endif
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   243
    TInt err( KErrNone );
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    iHomeTime.HomeTime();
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   246
    #ifdef TRACE_JITCALC
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        RDebug::Print ( _L("CMccJitterCalculator::StartObserving HomeTime = %Ld"), iHomeTime.Int64()  );
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        RDebug::Print( _L("CMccJitterCalculator::StartObserving iReportType: %d"), iReportType );
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    #endif
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   251
    switch( iReportType )
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        {
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        case EMccJitterReport:
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            #ifdef TRACE_JITCALC
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                RDebug::Print( _L("CMccJitterCalculator::StartObserving  iReportType selected EMccJitterReport"));
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   256
            #endif
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            iJitterObsOn = ETrue;                
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            iMediaQualityObservingStarted = ETrue;                
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   259
            break;
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   260
            
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   261
        case EMccPacketLossReport:
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   262
            #ifdef TRACE_JITCALC
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                RDebug::Print( _L("CMccJitterCalculator::StartObserving  iReportType selected EMccPacketLossReport"));
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   264
            #endif
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            iFrameLossObsOn = ETrue;
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            iMediaQualityObservingStarted = ETrue;
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   267
            break;
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   268
            
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   269
        case EMccQualityReportAll:
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   270
            #ifdef TRACE_JITCALC
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                RDebug::Print( _L("CMccJitterCalculator::StartObserving  iReportType selected EMccQualityReportAll"));
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   272
            #endif
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            iJitterObsOn = ETrue;
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            iFrameLossObsOn = ETrue;
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            iMediaQualityObservingStarted = ETrue;
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            break;
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   277
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   278
        default:
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            // if report type is not set
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   280
            #ifdef TRACE_JITCALC
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                RDebug::Print( _L("CMccJitterCalculator::StartObserving  iReportType selected default"));
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   282
            #endif
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   283
            
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            err = KErrArgument;
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            break;
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   286
        }
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   287
    
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    return err;
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   289
    }
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   290
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   291
// ---------------------------------------------------------------------------
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   292
// CMccJitterCalculator::CancelObserving
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   293
// Cancel is called by client
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   294
// ---------------------------------------------------------------------------
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   295
//  
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   296
void CMccJitterCalculator::CancelObserving()
1bce908db942 Revision: 201003
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   297
    {
1bce908db942 Revision: 201003
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   298
    #ifdef TRACE_JITCALC
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   299
        RDebug::Print( _L("CMccJitterCalculator::CancelObserving IN") );
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   300
    #endif
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   301
    
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   302
    iJitterObsOn = EFalse;
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   303
    iFrameLossObsOn = EFalse;
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   304
    iMediaQualityObservingStarted = EFalse;
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diff changeset
   305
    }
1bce908db942 Revision: 201003
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parents:
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   306
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   307
// ---------------------------------------------------------------------------
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   308
// CMccJitterCalculator::SetMediaConfigsL
1bce908db942 Revision: 201003
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   309
// Open aMessage and read media configs
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   310
// ---------------------------------------------------------------------------
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   311
//     
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   312
void CMccJitterCalculator::SetMediaConfigsL( const TMMFMessage& aMessage )
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   313
    {
1bce908db942 Revision: 201003
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   314
    #ifdef TRACE_JITCALC
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   315
        RDebug::Print( _L("CMccJitterCalculator::SetMediaConfigs IN") );
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   316
    #endif
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diff changeset
   317
    
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   318
    TMMFMessage* tmp = new ( ELeave ) TMMFMessage( aMessage );
1bce908db942 Revision: 201003
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parents:
diff changeset
   319
    CleanupStack::PushL( tmp );
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parents:
diff changeset
   320
    
1bce908db942 Revision: 201003
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parents:
diff changeset
   321
    TMccMediaQualConfBuf configPckg;
1bce908db942 Revision: 201003
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parents:
diff changeset
   322
    tmp->ReadData1FromClientL( configPckg );
1bce908db942 Revision: 201003
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parents:
diff changeset
   323
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parents:
diff changeset
   324
    iMediaConf = configPckg();
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parents:
diff changeset
   325
        
1bce908db942 Revision: 201003
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parents:
diff changeset
   326
    // Read data from client
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parents:
diff changeset
   327
    iJitterLevelFromClient = iMediaConf.iJitterLevel;
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parents:
diff changeset
   328
    iPacketLossFromClient = iMediaConf.iPacketLoss;
1bce908db942 Revision: 201003
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parents:
diff changeset
   329
    iReportType = iMediaConf.iReportType;
1bce908db942 Revision: 201003
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parents:
diff changeset
   330
    iReportIntervalType = iMediaConf.iReportIntervalType;
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parents:
diff changeset
   331
    iReportInterval = iMediaConf.iReportInterval;
1bce908db942 Revision: 201003
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parents:
diff changeset
   332
        
1bce908db942 Revision: 201003
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parents:
diff changeset
   333
    #ifdef TRACE_JITCALC
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parents:
diff changeset
   334
        RDebug::Print( _L("CMccJitterCalculator::SetMediaConfigsL SESSION %d"), iMediaConf.iSessionId );
1bce908db942 Revision: 201003
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parents:
diff changeset
   335
        RDebug::Print( _L("CMccJitterCalculator::SetMediaConfigsL JITTER LEVEL %d"), iMediaConf.iJitterLevel );
1bce908db942 Revision: 201003
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parents:
diff changeset
   336
        RDebug::Print( _L("CMccJitterCalculator::SetMediaConfigsL PACKET LOSS %d"), iMediaConf.iPacketLoss ); 
1bce908db942 Revision: 201003
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parents:
diff changeset
   337
        RDebug::Print( _L("CMccJitterCalculator::SetMediaConfigsL REPORT TYPE %d"), iMediaConf.iReportType );
1bce908db942 Revision: 201003
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parents:
diff changeset
   338
        RDebug::Print( _L("CMccJitterCalculator::SetMediaConfigsL REPORT INTERVAL TYPE %d"), iMediaConf.iReportIntervalType );
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   339
        RDebug::Print( _L("CMccJitterCalculator::SetMediaConfigsL REPORT INTERVAL %d"), iMediaConf.iReportInterval );
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parents:
diff changeset
   340
    #endif
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parents:
diff changeset
   341
        
1bce908db942 Revision: 201003
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parents:
diff changeset
   342
    CleanupStack::PopAndDestroy( tmp );
1bce908db942 Revision: 201003
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parents:
diff changeset
   343
    }
1bce908db942 Revision: 201003
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parents:
diff changeset
   344
1bce908db942 Revision: 201003
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parents:
diff changeset
   345
// -----------------------------------------------------------------------------
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   346
// CMccJitterCalculator::ResetCounters
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   347
// Set counters ready to receive packets
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   348
// -----------------------------------------------------------------------------
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   349
//
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   350
void CMccJitterCalculator::ResetCounters()
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   351
    {
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   352
    #ifdef TRACE_JITCALC
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   353
        RDebug::Print( _L("CMccJitterCalculator::ResetCounters()") );
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   354
    #endif
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   355
        
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   356
    iPacketsReceived = KNumZero;
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   357
    iCurJitter = KNumZero;
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   358
    iPrevPacketTransit = KNumZero;
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   359
    }
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   360
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   361
// -----------------------------------------------------------------------------
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   362
// CMccJitterCalculator::JitterObserving
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   363
// Trigger controller. Compares calculated and defined values.
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   364
// private method
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   365
// -----------------------------------------------------------------------------
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   366
//  
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   367
void CMccJitterCalculator::JitterObserving()
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   368
    {
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   369
    if ( iJitterObsOn )
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   370
        {
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   371
        #ifdef TRACE_JITCALC
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   372
            RDebug::Print( _L("CMccJitterCalculator::JitterObserving Jitter level observing ON") );
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   373
            RDebug::Print( _L("CMccJitterCalculator::JitterObserving jitterlevel %u ms compared to jitter estimate %Lu ms"), 
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   374
                iJitterLevelFromClient, ( iCurJitter / KConversionFactor ) );
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   375
        #endif
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   376
        
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   377
        // Normalize iCurJitter
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   378
        TUint64 modJitter = iCurJitter >> KNum4;
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   379
            
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   380
        if ( EMccQualityTimeBased == iReportIntervalType )
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   381
            {
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   382
            // change microsecs to millisecs
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   383
            TTimeIntervalMicroSeconds getTime = 
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   384
                iCurTime.MicroSecondsFrom( iHomeTime );
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   385
            
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   386
            #ifdef TRACE_JITCALC
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   387
                RDebug::Print( _L("CMccJitterCalculator::JitterObserving getTime = %Ld"), getTime.Int64() );
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   388
            #endif
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   389
            
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   390
            if ( static_cast<TInt64>( iReportInterval ) <= 
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   391
               ( getTime.Int64() / KConversionFactor ) )
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   392
                {
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   393
                // compare clients jitter level to current level
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   394
                if ( static_cast<TUint64>( iJitterLevelFromClient ) < 
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   395
                    modJitter )
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   396
                    {
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   397
                    #ifdef TRACE_JITCALC
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   398
                        RDebug::Print ( _L("CMccJitterCalculator::JitterObserving jitterlevel %u ms compared to jitter estimate %Lu ms"), 
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   399
                            iJitterLevelFromClient, modJitter );
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   400
                    #endif
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   401
                    
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   402
                    TMccRtpEventData event( ( iCurJitter >> KNum4 ), 
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   403
                                            iPacketsReceived, 
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   404
                                            iPrevPacketTransit,
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   405
                                            modJitter );
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   406
                    
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   407
                    // Informs client via event and cancels jitter observing
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   408
                    iObserver->SendJitterEvent( event, KErrNone );
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   409
                    CancelObserving();
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   410
                    }
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   411
                
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   412
                // Initialize hometime again
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   413
                iHomeTime.HomeTime();
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   414
                
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   415
                #ifdef TRACE_JITCALC       
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   416
                    RDebug::Print ( _L("CMccJitterCalculator::JitterObserving Initialize iHomeTime = %Ld"), iHomeTime.Int64() );
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   417
                #endif
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   418
            
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   419
                }           
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   420
            }
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   421
        else if ( EMccQualityPacketBased == iReportIntervalType )
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   422
            {
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   423
            iReceivedPacketCounter++;
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   424
            
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   425
            #ifdef TRACE_JITCALC
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   426
                RDebug::Print( _L("CMccJitterCalculator::JitterObserving iReceivedPacketCounter: %u"), iReceivedPacketCounter );
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   427
            #endif
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   428
            
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   429
            if ( iReportInterval == iReceivedPacketCounter )
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   430
                {
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   431
                // compare clients jitter level to current level
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   432
                if ( iJitterLevelFromClient < modJitter )
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   433
                    {
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   434
                    #ifdef TRACE_JITCALC
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   435
                        RDebug::Print( _L("CMccJitterCalculator::JitterObserving jitterlevel %u ms compared to jitter estimate %Lu ms"), 
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   436
                            iJitterLevelFromClient, modJitter );
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   437
                    #endif
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   438
                    
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   439
                    TMccRtpEventData event( ( iCurJitter >> KNum4 ), 
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   440
                                            iPacketsReceived, 
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   441
                                            iPrevPacketTransit,
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   442
                                            modJitter );
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   443
                    
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   444
                    // Informs client via event and cancels jitter observing
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   445
                    iObserver->SendJitterEvent( event, KErrNone );
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   446
                    CancelObserving();
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   447
                    }
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   448
                  
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   449
                iReceivedPacketCounter = KNumZero;
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   450
                }
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   451
            }
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   452
         else
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   453
            {
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   454
            #ifdef TRACE_JITCALC
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   455
                RDebug::Print( _L("CMccJitterCalculator::JitterObserving Report type is not valid!") );
1bce908db942 Revision: 201003
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parents:
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   456
            #endif
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parents:
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   457
            
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parents:
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   458
            TMccRtpEventData event( ( iCurJitter >> KNum4 ), 
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parents:
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   459
                                      iPacketsReceived, 
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parents:
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   460
                                      iPrevPacketTransit,
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parents:
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   461
                                      KNumZero );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   462
            
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parents:
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   463
            iObserver->SendJitterEvent( event, KErrArgument );
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parents:
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   464
            CancelObserving();
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parents:
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   465
            }
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parents:
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   466
        }
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parents:
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   467
    }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   468
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   469
// ---------------------------------------------------------------------------
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parents:
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   470
// CMccJitterCalculator::IsObserving
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parents:
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   471
// To check if observing is ON
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parents:
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   472
// ---------------------------------------------------------------------------
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parents:
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   473
//      
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parents:
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   474
TBool CMccJitterCalculator::IsObserving() const
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parents:
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   475
    {
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   476
    return iMediaQualityObservingStarted;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   477
    }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   478
    
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parents:
diff changeset
   479
//  End of File