mmsharing/mmshengine/src/musengmcesession.cpp
changeset 22 496ad160a278
child 25 53c1c4459a94
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmsharing/mmshengine/src/musengmcesession.cpp	Fri Jun 11 13:36:18 2010 +0300
@@ -0,0 +1,2141 @@
+/*
+* Copyright (c) 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: 
+*
+*/
+
+
+// USER
+#include "mussettings.h"
+#include "musengmcesession.h"
+#include "musengsessiondurationtimer.h"
+#include "musengmceutils.h"
+#include "musuid.hrh"
+#include "musenglogger.h"
+#include "mussipprofilehandler.h"
+#include "mussessionproperties.h"
+#include "musenguriparser.h"
+#include "musengtelephoneutils.h"
+
+// SYSTEM
+#include <lcsessionobserver.h>
+#include <lcuiprovider.h>
+#include <lcvideoplayer.h>
+#include <mcedefs.h>
+#include <mcemanager.h>
+#include <mceinsession.h>
+#include <mcevideostream.h>
+#include <mceaudiostream.h>
+#include <mcertpsink.h>
+#include <mcedisplaysink.h>
+#include <mcespeakersink.h>
+#include <mcefilesource.h>
+#include <mcecamerasource.h>
+#include <mcertpsource.h>
+#include <mceaudiocodec.h>
+#include <mceavccodec.h>
+#include <AudioPreference.h>
+#include <e32property.h>
+#include <cntitem.h>
+#include <cntfield.h>
+#include <cntdef.h>
+#include <cntfldst.h>
+
+
+const TInt KMusEngTimerInterval = 1000000; // 1 second
+const TInt KMusEngRtcpInactivityThreshold = 20; // seconds
+const TInt KMusEngArrayGranularity3 = 3;
+
+const TInt KMusEngSipReasonCodeOk = 200;
+const TInt KMusEngSipReasonCodeBusyHere = 486;
+_LIT8( KMusEngSipReasonPhraseBusyHere, "Busy Here" );
+_LIT8( KMusEngSipReasonPhraseBusy, "Busy" );
+
+const TUint KMusEngDedicatedVideoPort = 49152;
+const TUint KMusEngDedicatedAudioPort = 57344;
+
+#define MUS_CODEC_ARR_CONST_CAST( codecArr ) \
+( const_cast< RPointerArray< CMceVideoCodec >& >( codecArr ) )
+
+// Names of AVC levels in string for config keys stored in CenRep 
+_LIT8( KMusAvcBitrateLevel1, "AvcBrL1=" );
+_LIT8( KMusAvcBitrateLevel1b, "AvcBrL1b=" );
+_LIT8( KMusAvcBitrateLevel1_1, "AvcBrL1_1=" );
+_LIT8( KMusAvcBitrateLevel1_2, "AvcBrL1_2=" );
+_LIT8( KMusAvcBitrateLevel1_3, "AvcBrL1_3=" );
+_LIT8( KMusAvcBitrateLevel2, "AvcBrL2=" );
+
+_LIT8( KMusEncoderInfoTokenizer, ";" );
+
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+CMusEngMceSession::CMusEngMceSession()
+    : iSecondsFromLastRtcpReport ( 0 ),
+      // Although speaker is constructed as muted, it is not explicitly muted
+      iExplicitlyMuted( EFalse ),
+      iBackground( ETrue )
+    {
+    iMceManagerUid.iUid = KMusUiUid;
+    iBackground = IsBackgroundStartup();
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::ConstructL()
+    {
+    MUS_LOG( "mus: [ENGINE]  -> CMusEngMceSession::ConstructL()" )
+    
+    iTelephoneUtils = CMusEngTelephoneUtils::NewL( *this );
+
+    // Creating new MCE Manager and set all needed observers to this class.
+    iManager = CMceManager::NewL( iMceManagerUid,
+                                  &iTransactionDataContainer );
+    iManager->SetSessionObserver( this );
+    iManager->SetInSessionObserver( this );
+    iManager->SetMediaObserver( this );
+    iManager->SetRtpObserver( this );
+
+    // Check if operator specific behavior is expected
+    iOperatorVariant = ( MultimediaSharingSettings::OperatorVariantSettingL() ==
+                         MusSettingsKeys::EOperatorSpecific );
+    
+    // Update timer initialization
+    iUpdateTimer = CMusEngSessionDurationTimer::NewL( *this );
+    
+    iSipProfileHandler = CMusSipProfileHandler::NewL( *this );
+    
+    iRemoteDetails = HBufC::NewL( RProperty::KMaxPropertySize );
+    iRemoteDetails->Des().Copy( KNullDesC );
+    
+    MUS_LOG( "mus: [ENGINE]  <- CMusEngMceSession::ConstructL()" )
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+CMusEngMceSession::~CMusEngMceSession()
+    {
+    MUS_LOG( "mus: [ENGINE]  -> CMusEngMceSession::~CMusEngMceSession()" )
+    
+    delete iSipProfileHandler;
+    delete iSession;
+    delete iManager;
+    delete iUpdateTimer;
+    delete iTelephoneUtils;
+    delete iRemoteDetails;
+    
+    RProperty::Set( NMusSessionApi::KCategoryUid, 
+                    NMusSessionApi::KFastMode, 
+                    MusSettingsKeys::EFastModeDisabled );
+    
+    MUS_LOG( "mus: [ENGINE]  <- CMusEngMceSession::~CMusEngMceSession()" )
+    }
+
+// -----------------------------------------------------------------------------
+// From MMusEngDisplayHandler
+// -----------------------------------------------------------------------------
+//
+TRect CMusEngMceSession::Rect() const
+    {
+    MUS_LOG( "mus: [ENGINE]  CMusEngMceSession::Rect()" )
+    return iRect;
+    }
+
+// -----------------------------------------------------------------------------
+// From MMusEngDisplayHandler
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::SetRectL( const TRect& aRect )
+    {
+    MUS_LOG( "mus: [ENGINE]  CMusEngSession::SetRectL()" )
+    iRect = aRect;
+    RectChangedL();
+    }
+
+// -----------------------------------------------------------------------------
+// From MMusEngDisplayHandler
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::SetSecondaryRectL( const TRect& aSecondaryRect )
+    {
+    MUS_LOG( "mus: [ENGINE]  CMusEngMceSession::SetSecondaryRectL()" )
+    
+    // Same rect is set by primary and secondary setters
+    iRect = aSecondaryRect;
+    RectChangedL();
+    }
+
+// -----------------------------------------------------------------------------
+// From MMusEngDisplayHandler
+// -----------------------------------------------------------------------------
+//
+TRect CMusEngMceSession::SecondaryRect() const
+    {
+    MUS_LOG( "mus: [ENGINE]  CMusEngMceSession::SecondaryRect()" )
+    return iRect;
+    }
+
+// -----------------------------------------------------------------------------
+// From MMusEngDisplayHandler
+// -----------------------------------------------------------------------------
+//
+MMusEngDisplayHandler::TDisplayOrientation CMusEngMceSession::OrientationL()
+    {
+    MUS_LOG( "mus: [ENGINE]  -> CMusEngMceSession::RotationL()" )
+    
+    __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) );
+    
+    CMceDisplaySink* display = MusEngMceUtils::GetDisplayL( *iSession );
+    
+    TDisplayOrientation displayOrientation;
+    CMceDisplaySink::TRotation rotation( display->RotationL() );
+    
+    MUS_LOG1( "mus: [ENGINE]     MCE rotation is %d", rotation )
+    
+    if ( rotation == CMceDisplaySink::ENone )
+        {
+        displayOrientation = CMusEngMceSession::EPortrait;
+        }
+    else
+        {
+        displayOrientation = CMusEngMceSession::ELandscape;
+        }
+    
+    MUS_LOG1( "mus: [ENGINE]  <- CMusEngMceSession::RotationL() %d", 
+              displayOrientation )
+    
+    return displayOrientation;
+    }
+
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//        
+void CMusEngMceSession::SetOrientationL( TDisplayOrientation aOrientation )
+    {
+    MUS_LOG1( "mus: [ENGINE]  -> CMusEngMceSession::SetOrientationL() %d", 
+              aOrientation )
+              
+    __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) );
+    
+    CMceDisplaySink* display = MusEngMceUtils::GetDisplayL( *iSession );
+
+    if ( aOrientation == EPortrait )
+        {
+        display->SetRotationL( CMceDisplaySink::ENone );
+        }
+    else
+        {
+        display->SetRotationL( CMceDisplaySink::EClockwise90Degree );
+        }
+
+    MUS_LOG( "mus: [ENGINE]  <- CMusEngMceSession::SetOrientationL()" )
+    }
+
+// -----------------------------------------------------------------------------
+// 
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::EnableDisplayL( TBool aEnable )
+    {
+    MUS_LOG1( "mus: [ENGINE]     -> CMusEngMceSession::EnableDisplay() %d", 
+              aEnable )
+
+    __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) );
+
+    CMceDisplaySink* display = MusEngMceUtils::GetDisplayL( *iSession );
+    
+    if ( aEnable )
+        {
+        if ( !display->IsEnabled() )
+            {
+            display->EnableL();
+            MUS_LOG( "                  Display enabled" )
+            if ( !iExplicitlyMuted )
+                {
+                // Since speaker is not explicitly muted, but disabled as
+                // a consequence of disabling bundled display, it must be
+                // unmuted.
+                DoMuteSpeakerL( EFalse );
+                MUS_LOG( "                  Bundled speaker enabled" )
+                }
+            }
+        else
+            {
+            MUS_LOG( "                  Display already enabled, ignore" )
+            }
+        }
+    else
+        {
+        if ( display->IsEnabled() )
+            {
+            display->DisableL();
+            MUS_LOG( "                  Display disabled" )
+            if ( !iExplicitlyMuted )
+                {
+                // Speaker will not be explicitly muted, but disabled as
+                // a consequence of disabling bundled display.
+                DoMuteSpeakerL( ETrue );
+                MUS_LOG( "                  Bundled speaker disabled" )
+                }
+            }
+        else
+            {
+            MUS_LOG( "                  Display already disabled, ignore" )
+            }
+        }
+      
+        
+    MUS_LOG( "mus: [ENGINE]  <- CMusEngMceSession::EnableDisplay()")
+    }
+
+// -----------------------------------------------------------------------------
+// 
+// -----------------------------------------------------------------------------
+//
+TBool CMusEngMceSession::IsDisplayEnabled()
+    {
+    TBool enabled( EFalse );
+    if ( iSession )
+        {
+        CMceDisplaySink* display = 
+           MusEngMceUtils::GetDisplay( *iSession, ETrue );
+        if ( display )
+           {
+           enabled = display->IsEnabled();
+           }
+        }
+    return enabled;
+    }
+
+// -----------------------------------------------------------------------------
+// From MMusEngDisplayHandler
+// -----------------------------------------------------------------------------
+//
+TBool CMusEngMceSession::IsDisplayActive()
+    {
+    return ( IsDisplayEnabled() );
+    }
+
+// -----------------------------------------------------------------------------
+// From MMusEngAudioRoutingObserver
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::AudioRoutingChanged()
+    {
+    InformObserverAboutPlayerUpdate( LocalVideoPlayer() );
+    InformObserverAboutPlayerUpdate( RemoteVideoPlayer() );
+    }
+
+// -----------------------------------------------------------------------------
+// From MLcSession 
+// -----------------------------------------------------------------------------
+//
+MLcSession::TLcSessionState CMusEngMceSession::LcSessionState() const
+    {
+    TLcSessionState lcSessionState = MLcSession::EUninitialized;
+
+    if ( iSession )
+        {
+        switch( iSession->State() )
+            {
+            case CMceSession::EIdle: 
+                {
+                lcSessionState = MLcSession::EInitialized;
+                break;
+                }
+            case CMceSession::EIncoming:
+            case CMceSession::EProceeding:
+            case CMceSession::EReserving:
+                {
+                lcSessionState = MLcSession::EReceived;
+                break;
+                }
+            
+            case CMceSession::EOffering:
+            case CMceSession::EAnswering:
+                {
+                lcSessionState = MLcSession::EOpening;
+                break;
+                }
+            case CMceSession::EEstablished:
+                {
+                lcSessionState = MLcSession::EOpen;
+                break;
+                }
+            case CMceSession::ECancelling:
+            case CMceSession::ETerminating:
+                {
+                lcSessionState = MLcSession::EClosing;
+                break;
+                }
+            case CMceSession::ETerminated:
+                {
+                lcSessionState = MLcSession::EClosed;
+                break;
+                }
+            default:
+               {
+               lcSessionState = MLcSession::EUninitialized;
+               break;
+               }
+            }
+        }
+    return  lcSessionState;
+    }
+
+// -----------------------------------------------------------------------------
+// From MLcSession
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::SetLcSessionObserver( MLcSessionObserver* aObserver )
+    {
+    iLcSessionObserver = aObserver;
+    }
+
+// -----------------------------------------------------------------------------
+// From MLcSession
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::SetLcUiProvider( MLcUiProvider* aUiProvider )
+    {
+    iLcUiProvider = aUiProvider;
+    }
+
+// -----------------------------------------------------------------------------
+// From MLcSession
+// -----------------------------------------------------------------------------
+//
+MLcVideoPlayer* CMusEngMceSession::RemoteVideoPlayer()
+    {
+    return NULL;
+    }
+
+// -----------------------------------------------------------------------------
+// From MLcSession
+// -----------------------------------------------------------------------------
+//
+MLcVideoPlayer* CMusEngMceSession::LocalVideoPlayer()
+    {
+    return NULL;
+    }
+
+// -----------------------------------------------------------------------------
+// From MLcSession
+// -----------------------------------------------------------------------------
+//
+const TDesC& CMusEngMceSession::LocalDisplayName()
+    {
+    return KNullDesC;
+    }
+
+// -----------------------------------------------------------------------------
+// From MLcSession
+// -----------------------------------------------------------------------------
+//
+const TDesC& CMusEngMceSession::RemoteDisplayName()
+    {
+    return KNullDesC;
+    }
+
+// -----------------------------------------------------------------------------
+// From MLcSession
+// -----------------------------------------------------------------------------
+//
+TInt CMusEngMceSession::SetParameter( TInt /*aId*/, TInt /*aValue*/ )
+    {
+    return KErrNotSupported;
+    }
+
+// -----------------------------------------------------------------------------
+// From MLcSession
+// -----------------------------------------------------------------------------
+//
+TInt CMusEngMceSession::ParameterValue( TInt /*aId*/ )
+    {
+    return KErrNotSupported;
+    }
+
+// -----------------------------------------------------------------------------
+// From MLcSession
+// -----------------------------------------------------------------------------
+//
+TBool CMusEngMceSession::IsBackgroundStartup()
+    {
+    TInt fastMode;
+    TInt error = RProperty::Get( NMusSessionApi::KCategoryUid, 
+                                 NMusSessionApi::KFastMode, 
+                                 fastMode );
+    
+    return ( error == KErrNone && 
+             iBackground &&
+             fastMode == MusSettingsKeys::EFastModeOn );
+    }
+
+// -----------------------------------------------------------------------------
+// From MLcSession
+// -----------------------------------------------------------------------------
+//
+TInt CMusEngMceSession::SetForegroundStatus( TBool aIsForeground )
+    {
+    MUS_LOG1( "mus: [ENGINE]     -> CMusEngMceSession::SetForegroundStatus() %d", 
+              aIsForeground )
+
+    if ( aIsForeground )
+        {
+        // Only clear the bg info, do not ever enable it again
+        iBackground = EFalse;
+        }
+    
+    return KErrNone;
+    }
+ 
+// -----------------------------------------------------------------------------
+// From MLcSession
+// -----------------------------------------------------------------------------
+//   
+const TDesC& CMusEngMceSession::RemoteDetails()
+    {
+    // Don't care about error, empty value will be used in that case
+    TPtr ptrDetails( iRemoteDetails->Des() );
+    RProperty::Get( NMusSessionApi::KCategoryUid,
+                    NMusSessionApi::KTelNumber,
+                    ptrDetails ); 
+    return *iRemoteDetails;
+    }
+
+// -----------------------------------------------------------------------------
+// From MLcSession
+// -----------------------------------------------------------------------------
+//   
+void CMusEngMceSession::UpdateLcSessionL()
+    {
+    __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) );
+        
+    //In Mus engine, every update of player has immediate effect. Thus, this method
+    //is empty.
+    }
+
+// -----------------------------------------------------------------------------
+// From MLcSession
+// -----------------------------------------------------------------------------
+//
+TBool CMusEngMceSession::SendDialTone( TChar aKey)
+    {
+    MUS_LOG1( "mus: [ENGINE]     -> CMusEngMceSession::SendDialTone() %c", 
+                 aKey )
+    return ETrue;
+    }
+
+// -----------------------------------------------------------------------------
+// From MLcAudioControl
+// -----------------------------------------------------------------------------
+//
+TBool CMusEngMceSession::IsLcAudioMutedL()
+    {
+    __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) );
+              
+    TBool containsAudio( EFalse );
+    for ( TInt i = 0; i < iSession->Streams().Count(); ++i )
+        {
+        if ( iSession->Streams()[i]->Type() == KMceAudio )
+            {
+            containsAudio = ETrue;
+            }
+        }    
+    
+    if ( containsAudio && !iExplicitlyMuted )
+        {
+        return EFalse;
+        }
+    
+    return ETrue;
+    }
+
+// -----------------------------------------------------------------------------
+// From MLcAudioControl
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::MuteLcAudioL( TBool aMute )
+    {
+    __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) );
+    
+    DoMuteSpeakerL( aMute );
+    iExplicitlyMuted = aMute;
+    }
+
+// -----------------------------------------------------------------------------
+// From MLcAudioControl
+// -----------------------------------------------------------------------------
+//
+TBool CMusEngMceSession::IsLcMicMutedL()
+    {
+    return iTelephoneUtils->IsMicMutedL();
+    }
+
+// -----------------------------------------------------------------------------
+// From MLcAudioControl
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::MuteLcMicL( TBool aMute )
+    {
+    iTelephoneUtils->MuteMicL( aMute );
+    }
+
+// -----------------------------------------------------------------------------
+// From MLcAudioControl
+// -----------------------------------------------------------------------------
+//
+TBool CMusEngMceSession::IsEnablingLcLoudspeakerAllowed()
+    {
+    return iTelephoneUtils->AudioRoutingCanBeChanged();
+    }
+
+// -----------------------------------------------------------------------------
+// From MLcAudioControl
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::EnableLcLoudspeakerL( TBool aEnabled )
+    {
+    TRAPD( error, iTelephoneUtils->LoudspeakerL( aEnabled ) )
+
+    if ( error != KErrNone )
+        {
+        // This is writed for emulator use
+        if ( error != KErrNotSupported )
+            {
+            MUS_LOG1( "mus: [ENGINE] CMusEngSession::EnableLoudspeakerL() Leave: #%d",
+                      error )
+            User::Leave( error );
+            }
+        // Not leave in emulator if KErrNotSupported
+        #if (!defined (__WINS__) && !defined(__WINSCW__))
+        User::Leave( error );
+        #endif
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// From MLcAudioControl
+// -----------------------------------------------------------------------------
+//
+TBool CMusEngMceSession::IsLcLoudspeakerEnabled()
+    {
+    return iTelephoneUtils->IsLoudSpeakerEnabled();
+    }
+
+// -----------------------------------------------------------------------------
+// From MLcAudioControl
+// -----------------------------------------------------------------------------
+//
+TInt CMusEngMceSession::LcVolumeL()
+    {
+    return iTelephoneUtils->GetVolumeL();
+    }
+
+// -----------------------------------------------------------------------------
+// From MLcAudioControl
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::SetLcVolumeL( TInt aValue )
+    {
+    iTelephoneUtils->SetVolumeL( aValue );
+    }
+
+// -----------------------------------------------------------------------------
+// From MLcAudioControl
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::IncreaseLcVolumeL()
+    {
+    __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) );
+
+    TInt currentVolume = iTelephoneUtils->GetVolumeL();
+    iTelephoneUtils->SetVolumeL( currentVolume  + 1 );
+    SetSpeakerVolumeL( LcVolumeL() );
+    }
+
+// -----------------------------------------------------------------------------
+// From MLcAudioControl
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::DecreaseLcVolumeL()
+    {
+    __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) );
+
+    TInt currentVolume = iTelephoneUtils->GetVolumeL();
+    iTelephoneUtils->SetVolumeL( currentVolume - 1 );
+    SetSpeakerVolumeL( LcVolumeL() );
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+MLcSessionObserver* CMusEngMceSession::LcSessionObserver()
+    {
+    return iLcSessionObserver;
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+MLcUiProvider* CMusEngMceSession::LcUiProvider()
+    {
+    return iLcUiProvider;
+    }
+
+// -----------------------------------------------------------------------------
+// Returns estabilished session time. If not established return
+// value is < 0
+// -----------------------------------------------------------------------------
+//
+TTimeIntervalSeconds CMusEngMceSession::GetSessionTime() const
+    {
+    if ( iSession && iSession->State() == CMceSession::EEstablished )
+        {
+        TTime time;
+        TTimeIntervalSeconds seconds;
+        time.HomeTime();
+
+        time.SecondsFrom( iStartTime, seconds );
+
+        return seconds;
+        }
+
+    return TTimeIntervalSeconds( KErrNotReady );
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::RectChangedL()
+    {
+    MUS_LOG( "mus: [ENGINE]  -> CMusEngMceSession::RectChangedL()" )
+
+    // If session is not yet created, do nothing
+    if ( iSession && iSession->State() != CMceSession::ETerminated )
+        {
+        // Rely on having just one display
+        CMceDisplaySink* display = MusEngMceUtils::GetDisplayL( *iSession );
+        display->SetDisplayRectL( Rect() );
+        }
+
+    MUS_LOG( "mus: [ENGINE]  <- CMusEngMceSession::RectChangedL()" )
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::InformObserverAboutSessionStateChange()
+    {
+    if ( iLcSessionObserver )
+        {
+        iLcSessionObserver->StateChanged( *this );
+        }
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::InformObserverAboutSessionUpdate()
+    {
+    if ( iLcSessionObserver )
+        {
+        iLcSessionObserver->Updated( *this );
+        }
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::InformObserverAboutSessionFailure( TInt aReason )
+    {
+    if ( iLcSessionObserver )
+        {
+        iLcSessionObserver->Failed( *this, aReason );
+        }
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::InformObserverAboutPlayerStateChange( 
+    MLcVideoPlayer* aPlayer )
+    {
+    if ( iLcSessionObserver && aPlayer )
+        {
+        iLcSessionObserver->StateChanged( *aPlayer );
+        }
+    
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::InformUiProviderAboutReceivingStart()
+    {
+    MUS_LOG( "mus: [ENGINE]  -> CMusEngMceSession::InformUiProviderAboutReceivingStart()" )
+    if ( iBackground && iLcUiProvider )
+        {
+        MUS_LOG( "mus: [ENGINE]     receiving started in BG mode, switching to FG" )
+        iLcUiProvider->HandleForegroundStatus( ETrue );
+        }
+    MUS_LOG( "mus: [ENGINE]  <- CMusEngMceSession::InformUiProviderAboutReceivingStart()" )
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::InformObserverAboutPlayerUpdate( 
+    MLcVideoPlayer* aPlayer )
+    {
+    if ( iLcSessionObserver && aPlayer )
+        {
+        iLcSessionObserver->Updated( *aPlayer );
+        }
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::InformObserverAboutPlayerFailure( 
+    MLcVideoPlayer* aPlayer, 
+    TInt aReason )
+    {
+    if ( iLcSessionObserver && aPlayer )
+        {
+        iLcSessionObserver->Failed( *aPlayer, aReason );
+        }
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+MLcUiProvider& CMusEngMceSession::LcUiProviderL()
+    {
+    __ASSERT_ALWAYS( iLcUiProvider, User::Leave( KErrNotReady ) );
+    return *iLcUiProvider;
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::AddSdpBandwidthAttributesL( CDesC8Array& aSdpLinesArray,
+                                                    TInt aBandwidthAs )
+    {
+    MUS_LOG( "mus: [ENGINE]  -> CMusEngMceSession::AddSdpBandwidthAttributesL()" )
+    const TInt KMusNumberMaxLength = 10;
+    HBufC8* bandwidth = HBufC8::NewLC( 
+            KMusEngSessionSdpLineTiasLine().Length() + KMusNumberMaxLength );
+    
+    bandwidth->Des().Copy( KMusEngSessionSdpLineBandwidthLine() );
+    bandwidth->Des().AppendNum( aBandwidthAs );
+    bandwidth->Des().Append( KMusEngNewLine() );
+    aSdpLinesArray.AppendL( *bandwidth );
+    
+    bandwidth->Des().Copy( KMusEngSessionSdpLineTiasLine() );
+    bandwidth->Des().AppendNum( aBandwidthAs * KMusTiasMultiplier );
+    bandwidth->Des().Append( KMusEngNewLine() );
+    aSdpLinesArray.AppendL( *bandwidth );
+    
+    CleanupStack::PopAndDestroy( bandwidth );  
+    MUS_LOG( "mus: [ENGINE]  <- CMusEngMceSession::AddSdpBandwidthAttributesL()" )
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+TBool CMusEngMceSession::IsBandwidthAttributeSet( MDesC8Array* aSdpLinesArray )
+    {
+    MUS_LOG( "mus: [ENGINE]  -> CMusEngMceSession::IsBandwidthAttributeSet()" )
+    TBool ret =
+        ContainsText( aSdpLinesArray, KMusEngSessionSdpLineTiasLine() ) ||
+        ContainsText( aSdpLinesArray, KMusEngSessionSdpLineBandwidthLine() );
+    MUS_LOG1( "mus: [ENGINE]  <- CMusEngMceSession::IsBandwidthAttributeSet(): %d",
+            ret )
+    return ret;
+    }
+
+// -----------------------------------------------------------------------------
+// Setting session level sdp lines. Bandwith attribute is always used in
+// operator variant mode and at receiver side (using force) when TIAS
+// usage is disabled. However, bandwidth attribute is preferred to be used 
+// at media level (see SetMediaSdpLinesL method). It is set to session level
+// only if other side is using also session level bandwidth. Media level
+// preference exists because some other manufacturer's videosharing does not
+// understand session level bandwidth attribute.
+// In non-operator variant mode and when TIAS usage is enabled, both AS and 
+// TIAS are added to session level only if the other side is using session 
+// level bandwidth.
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::SetSessionSdpLinesL( 
+    CMceSession& aSession, 
+    TBool aForceBandwidthLine )
+    {
+    MUS_LOG( "mus: [ENGINE]  -> CMusEngMceSession::SetSessionSdpLinesL()" )
+    
+    MDesC8Array* oldSessionSdpLines = aSession.SessionSDPLinesL();
+    CleanupDeletePushL( oldSessionSdpLines );
+    TBool bandwidthAtSessionLevel( ContainsText( oldSessionSdpLines, 
+                                   KMusEngSessionSdpLineBandwidthLine() ) );
+    TBool tiasAtSessionLevel( ContainsText( oldSessionSdpLines, 
+                                   KMusEngSessionSdpLineTiasLine() ) );    
+    CleanupStack::PopAndDestroy( oldSessionSdpLines );
+  
+    TInt bandwidthAs = 0;
+    TRAPD( err, bandwidthAs = 
+                MultimediaSharingSettings::VideoBandwidthSettingL() );
+    __ASSERT_ALWAYS( err == KErrNone || err == KErrNotFound,
+                     User::Leave( err ) );
+    TBool useTias = ( bandwidthAs > 0 );
+
+    CDesC8Array* newSessionSDPLines = 
+                    new ( ELeave ) CDesC8ArrayFlat( KMusEngArrayGranularity3 );
+    CleanupStack::PushL( newSessionSDPLines );
+    
+    if ( iOperatorVariant )
+        {
+        newSessionSDPLines->AppendL( KMusEngSessionSdpLineApplication() );
+        newSessionSDPLines->AppendL( KMusEngSessionSdpLineType() );
+        }
+    else
+    	{
+    	newSessionSDPLines->AppendL( KMusEngSessionSdpLineXApplication() );    	
+    	}
+        
+    if ( bandwidthAtSessionLevel && ( iOperatorVariant || 
+         ( aForceBandwidthLine && !useTias ) ) )
+        {        
+        MUS_LOG( "mus: [ENGINE] setting bandwidth to session level" )
+        newSessionSDPLines->AppendL( KMusEngSessionSdpLineBandwidthField() );
+        }
+    else if ( !iOperatorVariant && useTias && aForceBandwidthLine &&
+            ( bandwidthAtSessionLevel || tiasAtSessionLevel ) )
+        {
+        MUS_LOG( "mus: [ENGINE] setting b=AS and b=TIAS to session level" )
+        AddSdpBandwidthAttributesL( *newSessionSDPLines, bandwidthAs );
+        }
+   
+    aSession.SetSessionSDPLinesL( newSessionSDPLines );
+    
+    CleanupStack::Pop( newSessionSDPLines );
+    
+    MUS_LOG( "mus: [ENGINE]  <- CMusEngMceSession::SetSessionSdpLinesL()" )
+    }
+
+
+// -----------------------------------------------------------------------------
+// Setting media level sdp lines. In operator variant mode or when TIAS usage
+// is disabled bandwidth is not set to media level if it is used already at 
+// session level. In non operator variant and TIAS enabled case both AS and
+// TIAS attributes are set to media level if: 1)it is an outcoming sessions
+// or 2) incoming session had bandwidth attributes on media level or didn't
+// have bandwidth attributes at all
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::SetMediaSdpLinesL( 
+    CMceMediaStream& aStream, 
+    TBool aForceBandwidthLine )
+    {
+    MUS_LOG( "mus: [ENGINE]  -> CMusEngMceSession::SetMediaSdpLinesL()" )
+    
+    MDesC8Array* sessionSdpLines = aStream.Session()->SessionSDPLinesL();
+    CleanupDeletePushL( sessionSdpLines );
+    TBool bandwidthAtSessionLevel( ContainsText( sessionSdpLines, 
+                                   KMusEngSessionSdpLineBandwidthLine() ) );
+
+    TInt bandwidthAs = 0;
+    TRAPD( error, bandwidthAs = 
+                  MultimediaSharingSettings::VideoBandwidthSettingL() );
+    __ASSERT_ALWAYS( error == KErrNone || error == KErrNotFound,
+                     User::Leave( error ) );
+    TBool useTias = ( bandwidthAs > 0 );
+    TBool tiasOrAsAtSessionLevel = EFalse;
+    TBool tiasOrAsAtMediaLevel = EFalse;
+    if ( useTias )
+        {
+        tiasOrAsAtSessionLevel = IsBandwidthAttributeSet( sessionSdpLines );
+        MDesC8Array* mediaSdpLines = aStream.MediaAttributeLinesL();
+        tiasOrAsAtMediaLevel = IsBandwidthAttributeSet( mediaSdpLines );
+        delete mediaSdpLines;        
+        }
+
+    CleanupStack::PopAndDestroy( sessionSdpLines );
+
+    TBool setTiasAtMediaLevel = ( tiasOrAsAtMediaLevel || 
+                                ( aForceBandwidthLine && 
+                                  !tiasOrAsAtSessionLevel ) );
+  
+    const TInt KMusMediaSdpLinesGranularity = 2;
+    CDesC8Array* headers = 
+        new ( ELeave ) CDesC8ArrayFlat( KMusMediaSdpLinesGranularity );
+    CleanupStack::PushL( headers );
+    
+    if ( !bandwidthAtSessionLevel && ( iOperatorVariant || 
+         ( aForceBandwidthLine && !useTias ) ) )
+        {
+        MUS_LOG( "mus: [ENGINE] setting bandwidth to media level" )
+        headers->AppendL( KMusEngSessionSdpLineBandwidthField() );
+        }
+    else if ( !iOperatorVariant && useTias && setTiasAtMediaLevel )
+        {
+        MUS_LOG( "mus: [ENGINE] setting b=AS and b=TIAS to media level" )
+        AddSdpBandwidthAttributesL( *headers, bandwidthAs );
+        }
+
+    aStream.SetMediaAttributeLinesL( headers );   
+    CleanupStack::Pop( headers );
+
+    MUS_LOG( "mus: [ENGINE]  <- CMusEngMceSession::SetMediaSdpLinesL()" )
+    }
+    
+// -----------------------------------------------------------------------------
+// Changes volume of all speaker sinks in the session structure
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::SetSpeakerVolumeL( TInt aNewVolume )
+    {
+    TInt sessionState = iSession->State();
+
+    if ( sessionState != CMceSession::EIdle &&
+         sessionState != CMceSession::EIncoming )
+        {
+        for ( TInt i = 0; i < iSession->Streams().Count(); ++i )
+            {
+            CMceSpeakerSink* speaker = 
+                MusEngMceUtils::GetSpeaker( *( iSession->Streams()[i] ) );
+            
+            if ( speaker &&        
+                 aNewVolume >= 1 &&
+                 aNewVolume <= speaker->MaxVolumeL() )
+                {
+                speaker->SetVolumeL( aNewVolume );
+                }
+
+            }
+        }
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//   
+void CMusEngMceSession::AdjustStreamsAndCodecsL()
+    {
+    MUS_LOG( "mus: [ENGINE] -> CMusEngMceSession::AdjustStreamsAndCodecsL" )
+
+    __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) );
+
+    const RPointerArray<CMceMediaStream>& streams = iSession->Streams();
+
+    for ( TInt i = 0; i < streams.Count(); ++i )
+        {
+        if ( streams[i]->Type() == KMceVideo )
+            {
+            CMceVideoStream* videoStream =
+                                    static_cast<CMceVideoStream*>( streams[i] );
+            
+            AdjustVideoStreamL( *videoStream );
+            
+            if ( videoStream->BoundStream() )
+                {
+                AdjustVideoStreamL( static_cast<CMceVideoStream&>
+                                        ( videoStream->BoundStreamL() ) );
+                } 
+            }
+        else // audio
+            {
+            CMceAudioStream* audioStream = 
+                                    static_cast<CMceAudioStream*>( streams[i] );
+            
+            AdjustAudioStreamL( *audioStream );
+            
+            if ( audioStream->BoundStream() )
+                {
+                AdjustAudioStreamL( static_cast<CMceAudioStream&>
+                                        ( audioStream->BoundStreamL() ) );
+                }
+        
+            }
+        }
+    
+    MUS_LOG( "mus: [ENGINE] <- CMusEngMceSession::AdjustStreamsAndCodecsL" )
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//  
+void CMusEngMceSession::AdjustVideoStreamL( CMceVideoStream& aVideoStream )
+    {
+    MUS_LOG( "mus: [ENGINE] -> CMusEngMceSession::AdjustVideoStreamL" )
+    
+    aVideoStream.SetLocalMediaPortL( KMusEngDedicatedVideoPort );
+    
+    DoCodecSelectionL( aVideoStream );
+    
+    const RPointerArray<CMceVideoCodec>& codecs = aVideoStream.Codecs();
+    
+    __ASSERT_ALWAYS( aVideoStream.Source(), User::Leave( KErrArgument ) );
+    for ( TInt codecIndex = 0; codecIndex < codecs.Count(); ++codecIndex )
+        {
+        AdjustVideoCodecL( *codecs[codecIndex], aVideoStream.Source()->Type() );
+        }
+    
+    MUS_LOG( "mus: [ENGINE] <- CMusEngMceSession::AdjustVideoStreamL" )
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//  
+void CMusEngMceSession::AdjustAudioStreamL( CMceAudioStream& aAudioStream )
+    {
+    MUS_LOG( "mus: [ENGINE] -> CMusEngMceSession::AdjustAudioStreamL" )
+    
+    aAudioStream.SetLocalMediaPortL( KMusEngDedicatedAudioPort );
+
+    const RPointerArray<CMceAudioCodec> codecs = aAudioStream.Codecs();
+    
+    for ( TInt codecIndex = 0; codecIndex < codecs.Count(); ++codecIndex )
+        {
+        AdjustAudioCodecL( *codecs[codecIndex] );
+        }
+    
+    MUS_LOG( "mus: [ENGINE] <- CMusEngMceSession::AdjustAudioStreamL" )
+    }
+
+// -----------------------------------------------------------------------------
+// Calls CMceInSession::RejectL() inside TRAP_IGNORE
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::Reject( CMceInSession& aSession,
+                                const TDesC8& aReason,
+                                TUint32 aCode )
+    {
+    if ( aCode != 0 || aReason != KNullDesC8() )
+        {
+        TRAP_IGNORE( aSession.RejectL( aReason, aCode, NULL, NULL, NULL ) )
+        }
+    else
+        {
+        if ( iOperatorVariant )
+            {
+            // In operator variant, session is rejected with 486 instead of 603.
+            // Also the reason phrase is supposed to be "Busy".
+            TRAP_IGNORE( aSession.RejectL( KMusEngSipReasonPhraseBusy(), 
+                                           KMusEngSipReasonCodeBusyHere ) )
+            }
+        else
+            {
+            // Normal case
+            TRAP_IGNORE( aSession.RejectL() )
+            }
+        }
+    }  
+
+// -----------------------------------------------------------------------------
+// By default rejects all incoming sessions immediately without notifying UI
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::IncomingSession( 
+    CMceInSession* aSession,
+    TMceTransactionDataContainer* /*aContainer*/ )
+    {
+    MUS_LOG( "mus: [ENGINE]  -> CMusEngMceSession::IncomingSession()" )
+    
+    Reject( *aSession, 
+            KMusEngSipReasonPhraseBusyHere(),
+            KMusEngSipReasonCodeBusyHere );
+             
+    delete aSession;
+    aSession = NULL;    
+    
+    MUS_LOG( "mus: [ENGINE]  <- CMusEngMceSession::IncomingSession()" )
+    }
+
+// -----------------------------------------------------------------------------
+// By default rejects all incoming updates immediately without notifying UI
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::IncomingUpdate( 
+    CMceSession& aOrigSession, 
+    CMceInSession* aUpdatedSession,
+    TMceTransactionDataContainer* /*aContainer*/ )
+    {
+    MUS_LOG( "mus: [ENGINE]  -> CMusEngMceSession::IncomingUpdate()" )
+                                    
+    if ( iSession &&
+         iSession == &aOrigSession )
+        {
+        // Old session is useless from now on
+        delete iSession;
+        iSession = aUpdatedSession;
+        MUS_LOG( "mus: [ENGINE]  Unexpected update, reject" )
+        Reject( *aUpdatedSession );    
+        }
+    else
+        {
+        // This should never happen
+        MUS_LOG( "mus: [ENGINE]  Unknown update, reject and delete" )
+        Reject( *aUpdatedSession );    
+        delete aUpdatedSession;
+        } 
+    
+    MUS_LOG( "mus: [ENGINE]  <- CMusEngMceSession::IncomingUpdate()" )    
+    }  
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::StreamStateChanged( CMceMediaStream& aStream )
+    {
+    MUS_LOG( "mus: [ENGINE] -> CMusEngMceSession::StreamStateChanged()" )
+    
+    if ( !iSession )
+        {
+        return; // We cannot do anything
+        }
+    
+    MUS_ENG_LOG_STREAM_STATE( aStream )
+        
+    switch ( aStream.State() )
+        {
+        case CMceMediaStream::EUninitialized: // Stream is created
+            {
+            // Unexpected state change
+            break;
+            }
+        case CMceMediaStream::EInitialized: // Stream is initialized
+            {
+            // Should be handled in sibling classes if needed
+            break;
+            }
+        case CMceMediaStream::EBuffering: // Stream is buffering
+            {
+            // Should be handled in sibling classes if needed
+            break;
+            }
+        case CMceMediaStream::EIdle: // Stream is not receiving RTP
+            {
+            // NOP
+            break;
+            }
+        case CMceMediaStream::EStreaming: // Stream is streaming
+            {
+            StreamStreaming( aStream );
+            break;
+            }
+        case CMceMediaStream::EDisabled: // Stream is explicitly disabled
+            {
+            break;
+            }
+        case CMceMediaStream::ENoResources: 
+            {
+            // Stream has no needed resources to stream
+            break;
+            }         
+        case CMceMediaStream::ETranscodingRequired: 
+            {
+            // Stream requires non-realtime transcoding
+            // Should be handled in sibling classes
+            break;
+            }   
+        case CMceMediaStream::ETranscoding: 
+            {
+            // Stream is transcoding in non-realtime
+            // Should be handled in sibling classes
+            break;
+            }       
+        default:
+            {
+            break;
+            }
+        }
+    
+    MUS_LOG( "mus: [ENGINE] <- CMusEngMceSession::StreamStateChanged()" )
+                
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::StreamStateChanged( CMceMediaStream& aStream,
+                                            CMceMediaSource& /*aSource*/ )
+    {
+    MUS_LOG( "mus: [ENGINE]  -> CMusEngMceSession::StreamStateChanged( src )" )
+    // Use default logic
+    StreamStateChanged( aStream );
+    MUS_LOG( "mus: [ENGINE]  <- CMusEngMceSession::StreamStateChanged( src )" )       
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::StreamStateChanged( CMceMediaStream& aStream,
+                                            CMceMediaSink& /*aSink*/ )
+    {
+    MUS_LOG( "mus: [ENGINE] -> CMusEngMceSession::StreamStateChanged( sink )" )
+    // Use default logic
+    StreamStateChanged( aStream );
+    MUS_LOG( "mus: [ENGINE] <- CMusEngMceSession::StreamStateChanged( sink )" )
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::SessionStateChanged(
+    CMceSession& aSession,
+    TMceTransactionDataContainer* aContainer )
+    {
+    MUS_LOG( "mus: [ENGINE]  -> CMusEngMceSession::SessionStateChanged()" )
+        
+    if ( !aContainer )
+        {
+        // Container should never be NULL, but if it is, handle as
+        // internal error
+        InformObserverAboutSessionFailure( KErrGeneral );
+        return;
+        }
+
+    // This is the only point to get statuscode and reasonphrase. With this call
+    // they are zeroed and thus cannot be got anymore.
+    TInt statusCode = aContainer->GetStatusCode();
+    HBufC8* reasonPhrase = aContainer->GetReasonPhrase();
+    
+    if ( reasonPhrase )
+        {        
+        HandleSessionStateChanged( aSession, statusCode, *reasonPhrase ); 
+        delete reasonPhrase ;       
+        }
+    else
+        {
+        HandleSessionStateChanged( aSession, statusCode, KNullDesC8() );
+        }
+    
+    MUS_LOG( "mus: [ENGINE]  <- CMusEngMceSession::SessionStateChanged()" )
+    }     
+    
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::SessionConnectionStateChanged( CMceSession& aSession,
+                                                       TBool aActive )
+    {
+    MUS_LOG1( "mus: [ENGINE]     CMusEngMceSession::\
+              SessionConnectionStateChanged() active = %b", aActive )
+
+    if ( iSession && iSession == &aSession )
+        {
+        if ( !aActive )
+            {
+            MUS_LOG( "mus: [ENGINE]     CMusEngMceSession::\
+                     SessionConnectionStateChanged: Notify observer" )
+            InformObserverAboutSessionFailure( MLcSession::EConnectionLost );
+            }
+        }
+
+    MUS_LOG( "mus: [ENGINE]  <- CMusEngMceSession::\
+             SessionConnectionStateChanged()" )
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::Failed( CMceSession& aSession, TInt aError )
+    {
+    MUS_LOG1( "mus: [ENGINE]     -> CMusEngMceSession::Failed() error #%d", 
+              aError )
+    
+    if ( iSession && iSession == &aSession )
+        {
+        MUS_LOG( "mus: [ENGINE]    CMusEngMceSession::Failed: Notify observer" )
+        InformObserverAboutSessionFailure( aError );
+        }
+
+    MUS_LOG( "mus: [ENGINE]  <- CMusEngMceSession::Failed()" )
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::UpdateFailed(
+    CMceSession& aSession,
+    TMceTransactionDataContainer* aContainer )
+    {
+    MUS_LOG( "mus: [ENGINE] -> CMusEngMceSession::UpdateFailed()" )
+
+    if ( !aContainer )
+        {
+        // Container should never be NULL, but if it is, handle as
+        // internal error
+        InformObserverAboutSessionFailure( KErrGeneral );
+        return;
+        }
+
+    if ( iSession && iSession == &aSession )
+        {
+        MUS_LOG( "mus: [ENGINE]     CMusEngMceSession::UpdateFailed: \
+                 Notify observer" )
+        InformObserverAboutSessionFailure( KErrGeneral );
+        }
+
+    MUS_LOG( "mus: [ENGINE] <- CMusEngMceSession::UpdateFailed()" )
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::SRReceived( CMceSession& aSession,
+					                CMceMediaStream& aStream)
+    {
+    // No logging because of amount of reports
+    if ( iSession &&
+         iSession == &aSession )
+        {
+        for ( TInt i = 0; i < iSession->Streams().Count(); ++i )
+            {
+            if ( &aStream == iSession->Streams()[i] )
+                {
+                iSecondsFromLastRtcpReport = 0;
+                }
+            }
+        }
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::RRReceived( CMceSession& aSession,
+					                CMceMediaStream& aStream)
+    {
+    // No logging because of amount of reports
+
+    if ( iSession &&
+         iSession == &aSession )
+        {
+        for ( TInt i = 0; i < iSession->Streams().Count(); ++i )
+            {
+            if ( &aStream == iSession->Streams()[i] )
+                {
+                iSecondsFromLastRtcpReport = 0;
+                }
+            }
+        }
+    }					             
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::InactivityTimeout( CMceMediaStream& aStream,
+                                           CMceRtpSource& /*aSource*/ )
+    {
+    MUS_LOG( "mus: [ENGINE]  -> CMusEngMceSession::InactivityTimeout()" )
+    // This function may be deprecated in future and after that similar 
+    // functionality can be obtained by observing stream state EIdle.
+    // Anyway it does not work yet and until then, informing UI about 
+    // RTP inactivity is done in this function.
+    
+    if ( aStream.Type() == KMceVideo )
+        {
+        InformObserverAboutPlayerStateChange( RemoteVideoPlayer() );
+        }
+    
+    MUS_LOG( "mus: [ENGINE]  <- CMusEngMceSession::InactivityTimeout()" )
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::SsrcAdded( CMceMediaStream& /*aStream*/,
+                                   CMceRtpSource& /*aSource*/,
+                                   TUint /*aSsrc*/ )
+    {
+    MUS_LOG( "mus: [ENGINE]  CMusEngMceSession::SsrcAdded( ... )" )
+    // NOP, We are not at all interested about SSRCs
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::SsrcRemoved( CMceMediaStream& /*aStream*/,
+                                     CMceRtpSource& /*aSource*/,
+                                     TUint /*aSsrc*/ )
+    {
+    MUS_LOG( "mus: [ENGINE]  CMusEngMceSession::SsrcRemoved(... )" )
+    // NOP, We are not at all interested about SSRCs
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+TBool CMusEngMceSession::IsRoamingBetweenAPsAllowed()
+    {
+    TBool allowed( ETrue );
+    if ( iSession && 
+         iSession->State() != CMceSession::EIdle &&
+         iSession->State() != CMceSession::ETerminated )
+        {
+        allowed = EFalse;
+        }
+    return allowed;
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::ProfileRegistered()
+    {
+    // NOP in base class
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::HandleSessionStateChanged( CMceSession& aSession,
+                                                   TInt aStatusCode,
+                                                   const TDesC8& aReasonPhrase )
+    {
+    MUS_LOG( "mus: [ENGINE]  -> CMusEngMceSession::HandleSessionStateChanged" )
+    
+    MUS_ENG_LOG_SESSION_STATE_AND_STATUS( aSession, aStatusCode, aReasonPhrase ) 
+
+    if ( iSession && iSession == &aSession )
+        {
+        switch ( aSession.State() )
+            {
+            case CMceSession::EIdle:
+            case CMceSession::EIncoming:
+                {
+                MUS_LOG( "mus: [ENGINE] Unexpected asynchronous \
+                         state transition, consider session as failed." )
+                InformObserverAboutSessionFailure( KErrGeneral );
+                break;
+                }
+            case CMceSession::EEstablished:
+                {
+                if ( iStoreEncoderConfigInfo )
+                    {
+                    iStoreEncoderConfigInfo = EFalse;
+                    TRAPD( error, StoreEncoderConfigInfoL() )
+                    if ( error != KErrNone && error != KErrNotFound )
+                        {
+                        // Only acceptable error is absence of repository entry,
+                        // otherwise we inform user about failed session.
+                        InformObserverAboutSessionFailure( error );
+                        return;
+                        }
+                    }
+                
+                // Check that session timer is not already running, which is 
+                // the case when refreshing the session with session timer 
+                if ( !iUpdateTimer->IsActive() )
+                    {
+                    iStartTime.HomeTime(); // Start counting session duration              
+                    iUpdateTimer->Start( KMusEngTimerInterval );
+                    InformObserverAboutSessionStateChange();
+                    }
+                
+                break;
+                }
+            case CMceSession::EOffering:
+            case CMceSession::EReserving:
+            case CMceSession::EAnswering:
+            case CMceSession::EProceeding:              
+            case CMceSession::ECancelling:
+            case CMceSession::ETerminating:
+                {
+                // NOP
+                break;
+                }
+            case CMceSession::ETerminated:
+                {
+                HandleTermination( aStatusCode, aReasonPhrase );
+                break;
+                }
+            default:
+                {
+                MUS_LOG( "mus: [ENGINE]  CMusEngMceSession::SessionStateChanged(), \
+                         default case" )
+                break;
+                }
+            }
+        }
+        
+    MUS_LOG( "mus: [ENGINE]  <- CMusEngMceSession::HandleSessionStateChanged" )
+    }
+
+// -----------------------------------------------------------------------------
+// This function should be called only if sibling classes cannot handle
+// termination reason by themselves.
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::HandleTermination( TInt aStatusCode,
+                                           const TDesC8& /*aReasonPhrase*/ )
+    {
+    MUS_LOG( "mus: [ENGINE]  -> CMusEngMceSession::HandleTermination()" )
+
+    iSipProfileHandler->RefreshIapAvailabilities();
+    
+    switch ( aStatusCode )
+        {
+        case 0:
+            {
+            // Normal session termination or session by another end.
+            InformObserverAboutSessionStateChange();
+            break;
+            }
+        case KMusEngSipReasonCodeOk:
+            {
+            // Normal session termination by this end: We have sent BYE
+            // and now received 200 OK to it.
+            InformObserverAboutSessionStateChange();
+            break;
+            }
+        default:
+            {
+            // Termination reason cannot be determined, handle as internal
+            // error.
+            InformObserverAboutSessionFailure( KErrGeneral );
+            break;
+            }
+        }
+
+    MUS_LOG( "mus: [ENGINE]  <- CMusEngMceSession::HandleTermination()" )
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::AdjustVideoCodecL( CMceVideoCodec& aVideoCodec,
+                                           TMceSourceType aSourceType )
+    {
+    MUS_LOG( "mus: [ENGINE]  -> CMusEngMceSession::AdjustVideoCodecL()" )
+    
+    aVideoCodec.SetMMFPriorityL( KAudioPrioritySwisPlayback );
+    aVideoCodec.SetMMFPriorityPreferenceL( KAudioPrefSwisPlayback );
+
+    if ( aVideoCodec.SdpName() == KMceSDPNameH264() &&
+         aSourceType == KMceCameraSource )
+        {
+        SetCodecConfigKeyL( aVideoCodec );
+        SetEncodingDeviceL( aVideoCodec );     
+        }
+    
+    MUS_LOG( "mus: [ENGINE]  <- CMusEngMceSession::AdjustVideoCodecL()" )
+    }
+ 
+// -----------------------------------------------------------------------------
+// 1. Sets MMF audio priority and preference
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::AdjustAudioCodecL( CMceAudioCodec& aAudioCodec )
+    {
+    MUS_LOG( "mus: [ENGINE]  -> CMusEngMceSession::AdjustAudioCodecL()" )
+    
+    aAudioCodec.SetMMFPriorityL( KAudioPrioritySwisPlayback );
+    aAudioCodec.SetMMFPriorityPreferenceL( KAudioPrefSwisPlayback );
+    MUS_LOG( "mus: [ENGINE]     Audio MMF priority and preference set" )
+    
+    MUS_LOG( "mus: [ENGINE]  <- CMusEngMceSession::AdjustAudioCodecL()" )
+    }
+
+// -----------------------------------------------------------------------------
+// Remove multiples of H.263 codec, prefer H263-2000 over H263-1998.
+// Additionally select just the one with best quality from selected mode.
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::DoCodecSelectionL( CMceVideoStream& aVideoStream )
+    {
+    MUS_LOG( "mus: [ENGINE]  -> CMusEngMceSession::DoCodecSelectionL()" )
+    
+    const RPointerArray<CMceVideoCodec>& codecs = aVideoStream.Codecs();
+    TBool codecModeBasedRemovalNeeded( EFalse );
+    // Label:H263
+    TBool H2632000CodecFound( EFalse );
+    TBool H2631998CodecFound( EFalse );
+    for ( TInt codecIndex = 0; codecIndex < codecs.Count(); ++codecIndex )
+        {
+        const CMceVideoCodec& currentCodec = *codecs[codecIndex];
+        if ( currentCodec.SdpName().FindF( KMceSDPNameH263 ) != KErrNotFound )
+            { 
+            if ( !currentCodec.SdpName().CompareF( KMceSDPNameH2632000 ) )
+                {
+                H2632000CodecFound = ETrue;
+                codecModeBasedRemovalNeeded = H2631998CodecFound;
+                }  
+            else if ( !currentCodec.SdpName().CompareF( KMceSDPNameH2631998 ) )
+                {
+                H2631998CodecFound = ETrue;
+                codecModeBasedRemovalNeeded = H2632000CodecFound;
+                }
+            else 
+                {
+                // NOP
+                }
+            }
+        }
+    if ( codecModeBasedRemovalNeeded )
+        {
+        DoCodecModeBasedRemovalL( aVideoStream );
+        }
+    
+    const RPointerArray<CMceVideoCodec>& codecs2 = aVideoStream.Codecs();
+    const CMceVideoCodec* bestBitrateCodec( NULL );
+    for ( TInt codecIndex = 0; codecIndex < codecs2.Count(); ++codecIndex )
+        {
+        const CMceVideoCodec& currentCodec = *codecs2[codecIndex];
+        if ( currentCodec.SdpName().FindF( KMceSDPNameH263 ) != KErrNotFound )
+            {
+            if ( !bestBitrateCodec || 
+                 currentCodec.MaxBitRate() > bestBitrateCodec->MaxBitRate() )
+                {
+                bestBitrateCodec = &currentCodec;
+                } 
+            }
+        }        
+    if ( bestBitrateCodec )
+        {
+        DoBitrateBasedRemovalL( aVideoStream, *bestBitrateCodec );
+        }
+   
+    MUS_LOG( "mus: [ENGINE]  <- CMusEngMceSession::DoCodecSelectionL()" )
+    }
+    
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::UpdateTimerEvent()
+    {
+    // Update timer is used also to detect RTCP inactivity
+    ++iSecondsFromLastRtcpReport;
+
+    if ( iSecondsFromLastRtcpReport >= KMusEngRtcpInactivityThreshold )
+        {
+        MUS_LOG( "mus: [ENGINE] CMusEngMceSession::UpdateTimerEvent() ->EMediaInactivityTimeout" )
+        InformObserverAboutSessionFailure( MLcSession::EMediaInactivityTimeout );
+        // Disable calling multiple times by reseting timer
+        iSecondsFromLastRtcpReport = 0;
+        }
+
+    iUpdateTimer->Start( KMusEngTimerInterval );
+    }
+
+// -----------------------------------------------------------------------------
+// Enables or disables all the speaker sinks of all the audio streams
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::DoMuteSpeakerL( TBool aMute )
+    {
+    MUS_LOG1( "mus: [ENGINE]     -> CMusEngMceSession::MuteL( %d )", aMute )
+    
+    const RPointerArray<CMceMediaStream>& streams = iSession->Streams();
+
+    for ( TInt i = 0; i < streams.Count(); ++i )
+        {
+        CMceSpeakerSink* speaker = MusEngMceUtils::GetSpeaker( *streams[i] );
+            
+        if ( speaker )
+            {
+            if( aMute )
+                {
+                if ( speaker->IsEnabled() )
+                    {
+                    speaker->DisableL();
+                    }
+                else
+                    {
+                    MUS_LOG( "mus: [ENGINE]     Speaker already muted, NOP" )
+                    }
+                }
+            else
+                {
+                if ( !speaker->IsEnabled() )
+                    {
+                    speaker->EnableL();
+                    }
+                else
+                    {
+                    MUS_LOG( "mus: [ENGINE]     Speaker already unmuted, NOP" )
+                    }
+                }
+            }
+        }
+        
+    MUS_LOG( "mus: [ENGINE]  <- CMusEngMceSession::MuteL( TBool aMute )" )
+    }
+
+// -----------------------------------------------------------------------------
+// Checks if some of array items contains specific text 
+// (exact match not required)
+// -----------------------------------------------------------------------------
+//
+TBool CMusEngMceSession::ContainsText( MDesC8Array* aArray, const TDesC8& aItem )
+    {
+    for ( TInt i = 0; aArray && i < aArray->MdcaCount(); i++ )
+        {
+        if ( aArray->MdcaPoint( i ).FindF( aItem ) != KErrNotFound )
+            {
+            return ETrue;
+            }
+        }
+    return EFalse;
+    }
+
+// -----------------------------------------------------------------------------
+// 
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::DoBitrateBasedRemovalL( 
+    CMceVideoStream& aVideoStream, 
+    const CMceVideoCodec& aBestBitrateVideoCodec )
+    {   
+    MUS_LOG( "mus: [ENGINE]  -> CMusEngMceSession::DoBitrateBasedRemovalL()" )
+    
+    RPointerArray<CMceVideoCodec>& codecs = 
+        MUS_CODEC_ARR_CONST_CAST( aVideoStream.Codecs() );
+                          
+    TInt codecIndex = 0;
+    while ( codecIndex < codecs.Count() )
+        {
+        CMceVideoCodec& currentCodec = *codecs[codecIndex++];
+        if ( currentCodec.SdpName().FindF( KMceSDPNameH263 ) != KErrNotFound &&
+             &currentCodec != &aBestBitrateVideoCodec )
+            {
+            MUS_LOG( "mus: [ENGINE]         removing" )
+            aVideoStream.RemoveCodecL( currentCodec );
+            codecs = MUS_CODEC_ARR_CONST_CAST( aVideoStream.Codecs() );
+            codecIndex = 0;
+            }
+        }
+        
+    MUS_LOG( "mus: [ENGINE]  <- CMusEngMceSession::DoBitrateBasedRemovalL()" )
+    }
+    
+// -----------------------------------------------------------------------------
+// 
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::DoCodecModeBasedRemovalL( CMceVideoStream& aVideoStream )
+    {
+    MUS_LOG( "mus: [ENGINE]  -> CMusEngMceSession::DoCodecModeBasedRemovalL()" )
+    
+    RPointerArray<CMceVideoCodec>& codecs = 
+        MUS_CODEC_ARR_CONST_CAST( aVideoStream.Codecs() );
+        
+    TInt codecIndex = 0;
+    while ( codecIndex < codecs.Count() )
+        {
+        CMceVideoCodec& currentCodec = *codecs[codecIndex++];
+        if ( !currentCodec.SdpName().CompareF( KMceSDPNameH2631998 ) )
+            {
+            MUS_LOG( "mus: [ENGINE]         removing" )
+            aVideoStream.RemoveCodecL( currentCodec );
+            codecs = MUS_CODEC_ARR_CONST_CAST( aVideoStream.Codecs() );
+            codecIndex = 0;
+            }
+        }
+        
+    MUS_LOG( "mus: [ENGINE]  <- CMusEngMceSession::DoCodecModeBasedRemovalL()" )
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::SetEncodingDeviceL( CMceVideoCodec& aVideoCodec )
+    {
+    MUS_LOG( "mus: [ENGINE] -> CMusEngMceSession::SetEncodingDeviceL()" )
+
+    // We try to read encoding device UID. If we do not succeed, we use default
+    
+    const TUid KDefaultEncodingDevice( TUid::Uid( 0x20001C13 ) );
+    TUid encodingDevice( KDefaultEncodingDevice );
+    TRAPD( error, 
+           encodingDevice = MultimediaSharingSettings::EncodingDeviceL() )
+    __ASSERT_ALWAYS( error == KErrNone || error == KErrNotFound, 
+                     User::Leave( error ) );
+    aVideoCodec.SetPreferredEncodingDecodingDeviceL( encodingDevice );
+    
+    MUS_LOG( "mus: [ENGINE] <- CMusEngMceSession::SetEncodingDeviceL()" )
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::SetCodecConfigKeyL( CMceVideoCodec& aVideoCodec )
+    {
+    MUS_LOG( "mus: [ENGINE] -> CMusEngMceSession::SetCodecConfigKeyL()" )
+    
+    HBufC8* configKey( NULL );
+        
+    // We try to read config key. If we do not succeed, we prepare to
+    // write keys to CenRep for the next time.
+    TRAPD( error, configKey = ReadCodecConfigKeyL( aVideoCodec ) )
+    
+    if ( error == KErrNone )
+        {
+        // There is a repository for config keys
+        if ( configKey )
+            {
+            // ...and key is found.
+            CleanupStack::PushL( configKey );
+            aVideoCodec.SetConfigKeyL( *configKey );
+            CleanupStack::PopAndDestroy( configKey );
+            }
+        else
+            {
+            // ...but key is not found, so it must be written to CenRep when
+            // available. 
+            iStoreEncoderConfigInfo = ETrue;
+            }
+        }
+    else if ( error == KErrNotFound )
+        {
+        // There is no repository for config keys so there is no point
+        // trying to write anything there. Session setup can still continue.
+        MUS_LOG1( "mus: [ENGINE]    No repository for config keys [%d]", error )
+        }            
+    else
+        {
+        User::Leave( error );
+        }
+    
+    MUS_LOG( "mus: [ENGINE] <- CMusEngMceSession::SetCodecConfigKeyL()" )
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+HBufC8* CMusEngMceSession::ReadCodecConfigKeyL( 
+    const CMceVideoCodec& aVideoCodec ) const
+    {
+    MUS_LOG( "mus: [ENGINE] -> CMusEngMceSession::ReadCodecConfigKeyL()" )
+    
+    HBufC8* key( NULL );
+ 
+    HBufC8* encoderInfo = MultimediaSharingSettings::EncoderConfigInfoLC();
+    __ASSERT_ALWAYS( encoderInfo, User::Leave( KErrNotFound ) );
+    
+    TPtrC8 keyId( ConfigKeyIdL( aVideoCodec ) ); 
+    
+    TInt tokenStartPosition( encoderInfo->FindC( keyId ) );
+    if ( tokenStartPosition > KErrNotFound )
+        {
+        TInt tokenLength( encoderInfo->Mid( tokenStartPosition ).FindC( 
+                                                KMusEncoderInfoTokenizer ) );
+        if ( tokenLength > KErrNotFound )
+            {
+            // Separate key from token by removing keyId
+            TInt keyStartPosition = tokenStartPosition + keyId.Length();
+            TInt keyLength = tokenLength - keyId.Length(); 
+            TPtrC8 keyPtr = encoderInfo->Mid( keyStartPosition, keyLength );
+            key = keyPtr.AllocL();
+            }
+        }
+    
+    CleanupStack::PopAndDestroy( encoderInfo );
+    
+    MUS_LOG( "mus: [ENGINE] <- CMusEngMceSession::ReadCodecConfigKeyL()" )
+        
+    return key;   
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::StoreEncoderConfigInfoL() const
+    {
+    MUS_LOG( "mus: [ENGINE] -> CMusEngMceSession::StoreEncoderConfigInfoL()" )
+    
+    HBufC8* configInfoInCenRep = MultimediaSharingSettings::EncoderConfigInfoLC();
+    __ASSERT_ALWAYS( configInfoInCenRep, User::Leave( KErrNotFound ) );
+    
+    TBuf8<NCentralRepositoryConstants::KMaxBinaryLength> keys;
+    keys.Append( *configInfoInCenRep );
+    
+    CMceVideoStream* stream = MusEngMceUtils::GetVideoOutStreamL( *iSession );
+    const RPointerArray<CMceVideoCodec>& codecs = stream->Codecs();
+    
+    for ( TInt codecIndex = 0; codecIndex < codecs.Count(); ++codecIndex )
+        {
+        if ( codecs[codecIndex]->SdpName().FindF( KMceSDPNameH264 ) >= 0 )
+            {
+            const TPtrC8 keyId = ConfigKeyIdL( *codecs[codecIndex] );
+            HBufC8* configKey = codecs[codecIndex]->ConfigKeyL();
+            CleanupStack::PushL( configKey );
+            
+            if ( configKey &&
+                 keys.FindF( keyId ) == KErrNotFound &&
+                 configInfoInCenRep->FindF( keyId ) == KErrNotFound )
+                {
+                
+                if ( keys.Length() + 
+                     keyId.Length() + 
+                     configKey->Length() +
+                     KMusEncoderInfoTokenizer().Length() <
+                     NCentralRepositoryConstants::KMaxBinaryLength )
+                    {
+                    keys.Append( keyId );                    
+                    keys.Append( *configKey );
+                    keys.Append( KMusEncoderInfoTokenizer );
+                    }
+                }
+                
+            CleanupStack::PopAndDestroy( configKey );
+            }
+        }
+    
+    MultimediaSharingSettings::SetEncoderConfigInfoL( keys );    
+    
+    CleanupStack::PopAndDestroy( configInfoInCenRep );
+        
+    MUS_LOG( "mus: [ENGINE] <- CMusEngMceSession::StoreEncoderConfigInfoL()" )
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+const TPtrC8 CMusEngMceSession::ConfigKeyIdL( 
+                                    const CMceVideoCodec& aVideoCodec ) const
+    {
+    MUS_LOG( "mus: [ENGINE] -> CMusEngMceSession::ConfigKeyIdL()" )
+    
+    // Currently works only for AVC
+    __ASSERT_ALWAYS( aVideoCodec.SdpName().FindF( KMceSDPNameH264 ) >= 0,
+                     User::Leave( KErrArgument ) );
+    
+    TPtrC8 configKeyTokenId;
+    
+    if ( aVideoCodec.AllowedBitrates() & KMceAvcBitrateLevel1 )
+        {
+        configKeyTokenId.Set( KMusAvcBitrateLevel1() );
+        }
+    else if ( aVideoCodec.AllowedBitrates() & KMceAvcBitrateLevel1b )
+        {
+        configKeyTokenId.Set( KMusAvcBitrateLevel1b() );
+        }
+    else if ( aVideoCodec.AllowedBitrates() & KMceAvcBitrateLevel1_1 )
+        {
+        configKeyTokenId.Set( KMusAvcBitrateLevel1_1() );
+        }
+    else if ( aVideoCodec.AllowedBitrates() & KMceAvcBitrateLevel1_2 )
+        {
+        configKeyTokenId.Set( KMusAvcBitrateLevel1_2() );
+        }
+    else if ( aVideoCodec.AllowedBitrates() & KMceAvcBitrateLevel1_3 )
+        {
+        configKeyTokenId.Set( KMusAvcBitrateLevel1_3() );
+        }
+    else if ( aVideoCodec.AllowedBitrates() & KMceAvcBitrateLevel2 )
+        {
+        configKeyTokenId.Set( KMusAvcBitrateLevel2() );
+        }
+    else
+        {
+        User::Leave( KErrNotFound );
+        }
+    
+    MUS_LOG( "mus: [ENGINE] <- CMusEngMceSession::ConfigKeyIdL()" )
+
+    return configKeyTokenId;
+    }
+
+// -----------------------------------------------------------------------------
+// Contact address is saved if all following apply:
+// - standard variant
+// - only one contact entry (mus mgr doesn't provide contact id if multiple
+//   contact entries for other end is found)
+// - no existing sip address info for contact
+// - address is valid sip or tel uri
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::SaveContactL( const TDesC8& /*aAddress*/ )
+    {
+    MUS_LOG( "mus: [ENGINE]  -> CMusEngMceSession::SaveContactL" );
+    
+    
+    MUS_LOG( "mus: [ENGINE]  <- CMusEngMceSession::SaveContactL" );
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMusEngMceSession::StreamStreaming( CMceMediaStream& aStream )
+    {
+    if ( aStream.State() == CMceMediaStream::EStreaming &&
+         aStream.Type() == KMceVideo )
+        {
+        MLcVideoPlayer* videoPlayer = NULL;
+        if ( aStream.Source() && 
+             aStream.Source()->Type() == KMceRTPSource )
+            {
+            videoPlayer = RemoteVideoPlayer();
+            }
+        else if ( aStream.Sinks().Count() >= 0 &&
+                  aStream.Sinks()[0]->Type() == KMceRTPSink )
+            {
+            videoPlayer = LocalVideoPlayer();
+            }
+        else
+            {
+            }
+        InformObserverAboutPlayerStateChange( videoPlayer );
+        }
+    }
+
+// End of file