dvrengine/CommonRecordingEngine/src/CCRStreamingSession.cpp
branchRCL_3
changeset 23 13a33d82ad98
parent 0 822a42b6c3f1
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dvrengine/CommonRecordingEngine/src/CCRStreamingSession.cpp	Wed Sep 01 12:20:37 2010 +0100
@@ -0,0 +1,865 @@
+/*
+* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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:    Class for streaming session. Owns a source, number of buffers*
+*/
+
+
+
+
+// INCLUDES
+#include "VideoServiceUtilsConf.hrh"
+#include "CCRStreamingSession.h"
+#include "CCRRtspSink.h"
+#include "CCRNullSink.h"
+#include "CCRPacketBuffer.h"
+#include <ipvideo/CRTypeDefs.h>
+#include "CCRRtspPacketSource.h"
+#ifdef RD_IPTV_FEA_RTP_CLIP_SUPPORT
+#include "CCRXpsSink.h"
+#include "CCRRtpRecordSink.h"
+#include "CCRRtpFileSource.h"
+#include "CCRNullSource.h"
+#endif // RD_IPTV_FEA_RTP_CLIP_SUPPORT
+#include "MCRStreamObserver.h"
+#include "CCRPacketSinkBase.h"
+#include "CCRConnection.h"
+#include "CCRengine.h"
+#include "videoserviceutilsLogger.h"
+
+// CONSTANTS
+const TInt KMaxRtspPackets( 400 );
+#ifdef RD_IPTV_FEA_RTP_CLIP_SUPPORT
+const TInt KMaxRtpPackets( 500 );
+#endif // RD_IPTV_FEA_RTP_CLIP_SUPPORT
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CCRStreamingSession::NewL
+//
+// -----------------------------------------------------------------------------
+//      
+CCRStreamingSession* CCRStreamingSession::NewL(
+    RSocketServ& aSockServer,
+    CCRConnection* aConnection,
+    CCREngine& aEngine )
+    {
+    CCRStreamingSession* self = new( ELeave ) CCRStreamingSession(
+                                aSockServer, aConnection, aEngine );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CCRStreamingSession::CCRStreamingSession
+//
+// -----------------------------------------------------------------------------
+//      
+CCRStreamingSession::CCRStreamingSession(
+    RSocketServ& aSockServer,
+    CCRConnection* aConnection,
+    CCREngine& aEngine ) 
+  : iSockServer( aSockServer ),
+    iConnection( aConnection ),
+    iEngine( aEngine )
+    {
+    // None
+    }
+
+// -----------------------------------------------------------------------------
+// CCRStreamingSession::ConstructL
+//
+// -----------------------------------------------------------------------------
+//          
+void CCRStreamingSession::ConstructL()
+    {
+    LOG( "CCRStreamingSession::ConstructL()" );
+
+    // Note, quite high priority
+    iCleanUp = new ( ELeave ) CAsyncCallBack( CActive::EPriorityStandard ); 
+    }
+    
+// -----------------------------------------------------------------------------
+// CCRStreamingSession::~CCREStreamingSession
+//
+// -----------------------------------------------------------------------------
+//          
+CCRStreamingSession::~CCRStreamingSession()
+    {
+    LOG( "CCRStreamingSession::~CCRStreamingSession()" );
+    
+    delete iCleanUp;     
+    iSinks.ResetAndDestroy();
+    iSinksToDelete.Reset(); 
+    delete iSource;
+    delete iBuffer;
+    iConnection = NULL;
+    }
+    
+// -----------------------------------------------------------------------------
+// CCRStreamingSession::OpenSourceL
+// Opens RTSP streaming source.
+// -----------------------------------------------------------------------------
+//      
+void CCRStreamingSession::OpenSourceL(
+    const SCRRtspParams& aParams,
+    const TDesC& aSessionDefinition )
+    {
+    LOG( "CCRStreamingSession::OpenSourceL(), RTSP Url" )
+    
+    if ( !iSource && iConnection )
+        {
+        iSourceChecksum = SourceDefinition( aSessionDefinition );
+        iSource = CCRRtspPacketSource::NewL(
+                  aParams, *iConnection, iSockServer, *this, *this );
+        iSource->RegisterConnectionObs( &iEngine );
+        }    
+    }
+    
+// -----------------------------------------------------------------------------
+// CCRStreamingSession::OpenSourceL
+// Opens RTP clip streaming source.
+// -----------------------------------------------------------------------------
+//      
+void CCRStreamingSession::OpenSourceL(
+    const SCRRtpPlayParams& aParams,
+    CRtpClipHandler*& aClipHandler,
+    const TDesC& aSessionDefinition )
+    {
+    LOG( "CCRStreamingSession::OpenSourceL(), RTP clip" )
+
+#ifdef RD_IPTV_FEA_RTP_CLIP_SUPPORT
+
+    if ( !iSource )
+        {
+        iSourceChecksum = SourceDefinition( aSessionDefinition );
+        iBuffer = CCRPacketBuffer::NewL( KMaxRtpPackets );
+        iSource = CCRRtpFileSource::NewL( aParams, aClipHandler, *this, *this );
+        iSource->SetBuffer( iBuffer );
+        }
+
+#else // RD_IPTV_FEA_RTP_CLIP_SUPPORT
+    ( void )aParams;
+    ( void )aClipHandler;
+    ( void )aSessionDefinition;
+    User::Leave( KErrNotSupported );
+#endif // RD_IPTV_FEA_RTP_CLIP_SUPPORT
+    }
+
+// -----------------------------------------------------------------------------
+// CCRStreamingSession::OpenSourceL
+// Opens RTP clip streaming source.
+// -----------------------------------------------------------------------------
+//      
+void CCRStreamingSession::OpenSourceL(
+    const RFile& aRtpHandle,
+    CRtpClipHandler*& aClipHandler,
+    const TDesC& aSessionDefinition )
+    {
+    LOG( "CCRStreamingSession::OpenSourceL(), RTP handle" )
+
+#ifdef RD_IPTV_FEA_RTP_CLIP_SUPPORT
+
+    if ( !iSource )
+        {
+        iSourceChecksum = SourceDefinition( aSessionDefinition );
+        iBuffer = CCRPacketBuffer::NewL( KMaxRtpPackets );
+        iSource = CCRRtpFileSource::NewL( aRtpHandle, aClipHandler, *this, *this );
+        iSource->SetBuffer( iBuffer );
+        }
+
+#else // RD_IPTV_FEA_RTP_CLIP_SUPPORT
+    ( void )aRtpHandle;
+    ( void )aClipHandler;
+    ( void )aSessionDefinition;
+    User::Leave( KErrNotSupported );
+#endif // RD_IPTV_FEA_RTP_CLIP_SUPPORT
+    }
+
+// -----------------------------------------------------------------------------
+// CCRStreamingSession::OpenSourceL
+// Opens DVB-H live streaming source.
+// -----------------------------------------------------------------------------
+//      
+void CCRStreamingSession::OpenSourceL(
+    const SCRLiveParams& /*aLiveParams*/,
+    const TDesC& /*aSessionDefinition*/ )
+    {
+    LOG( "CCRStreamingSession::OpenSourceL(), DVB-H live" )
+
+    User::Leave( KErrNotSupported );
+    }
+
+// -----------------------------------------------------------------------------
+// CCRStreamingSession::OpenSourceL
+// Opens RTP clip as a live streaming source.
+// -----------------------------------------------------------------------------
+//      
+void CCRStreamingSession::OpenSourceL( const TDesC& aSessionDefinition )
+    {
+    LOG( "CCRStreamingSession::OpenSourceL(), Null" )
+
+#ifdef RD_IPTV_FEA_RTP_CLIP_SUPPORT
+
+    if ( !iSource )
+        {
+        iSourceChecksum = SourceDefinition( aSessionDefinition );
+        iBuffer = CCRPacketBuffer::NewL( KMaxRtpPackets );
+        iSource = CCRNullSource::NewL( aSessionDefinition, *this, *this );
+        iSource->SetBuffer( iBuffer );
+        }
+
+#else // RD_IPTV_FEA_RTP_CLIP_SUPPORT
+    ( void )aSessionDefinition;
+    User::Leave( KErrNotSupported );
+#endif // RD_IPTV_FEA_RTP_CLIP_SUPPORT
+    }
+
+// -----------------------------------------------------------------------------
+// CCRStreamingSession::SourceDefinition
+//
+// -----------------------------------------------------------------------------
+//      
+TUint CCRStreamingSession::SourceDefinition( const TDesC& aName )
+    {
+    TUint checkSum( 0 );
+    for ( TInt i( aName.Length() - 1 ); i >= 0; i-- )
+        {
+        checkSum += aName[i];
+        }
+    
+	// And for rtsp packet source do use different id
+	// if udp is blocked and we're using tcp then.    
+    if ( iSource && iSource->Id() == ECRRtspSourceId &&
+    	 iConnection && 
+    	 iConnection->GetHeuristic ( CCRConnection::EUdpStreamingBlocked ) )
+    	 {
+    	 checkSum++;
+    	 }
+            
+    return checkSum;
+    }
+
+// -----------------------------------------------------------------------------
+// CCRStreamingSession::SourceChecksum
+//
+// -----------------------------------------------------------------------------
+//      
+TUint CCRStreamingSession::SourceChecksum()
+    {
+    return iSourceChecksum;
+    }
+
+//-----------------------------------------------------------------------------
+// CCRStreamingSession::CreateAndSetBufferL
+//
+//-----------------------------------------------------------------------------
+//    
+void CCRStreamingSession::CreateAndSetBufferL()
+    {
+    if ( iSource && iBuffer == NULL )
+        {
+        iBuffer = CCRPacketBuffer::NewL( KMaxRtspPackets );
+        iSource->SetBuffer( iBuffer );
+        }
+    }
+
+//-----------------------------------------------------------------------------
+// CCRStreamingSession::CreateRtspSinkL
+//
+//-----------------------------------------------------------------------------
+//
+void CCRStreamingSession::CreateRtspSinkL( const TInt& aLoopbackPort )
+    {
+    LOG( "CCRStreamingSession::CreateRtspSinkL()" )
+
+    if ( iConnection )
+        {
+        // Only one RTSP sink at the time
+        DeleteSink( ECRRtspSinkId ); 
+        
+        // New sink
+        CCRRtspSink* sink = CCRRtspSink::NewL(
+            *iConnection, iSockServer, ECRRtspSinkId, aLoopbackPort, *this );
+        CleanupStack::PushL( sink );
+        User::LeaveIfError( iSinks.Append( sink ) );
+        CleanupStack::Pop( sink );
+        }
+    }
+
+//-----------------------------------------------------------------------------
+// CCRStreamingSession::CreateXpsSinkL
+//
+//-----------------------------------------------------------------------------
+//    
+void CCRStreamingSession::CreateXpsSinkL()
+    {
+    LOG( "CCRStreamingSession::CreateXpsSinkL()" )
+
+#ifdef RD_IPTV_FEA_RTP_CLIP_SUPPORT
+
+    CCRXpsSink* sink = CCRXpsSink::NewL( ECRXpsSinkId, *this );
+    CleanupStack::PushL( sink );
+    User::LeaveIfError( iSinks.Append( sink ) );
+    CleanupStack::Pop( sink );
+#else // RD_IPTV_FEA_RTP_CLIP_SUPPORT
+    User::Leave( KErrNotSupported );
+#endif // RD_IPTV_FEA_RTP_CLIP_SUPPORT
+    }
+
+//-----------------------------------------------------------------------------
+// CCRStreamingSession::Create3gpRecordSinkL
+//
+//-----------------------------------------------------------------------------
+//    
+void CCRStreamingSession::Create3gpRecordSinkL(
+    const SCRRecordParams& /*aRecordParams*/ )
+    {
+    LOG( "CCRStreamingSession::Create3gpRecordSinkL()" )
+
+    User::Leave( KErrNotSupported );
+    /*
+    CCR3gpRecordSink* sink = CCR3gpRecordSink::NewL( ECR3gpRecSinkId, *this );
+    CleanupStack::PushL( sink );
+    User::LeaveIfError( iSinks.Append( sink ) );
+    CleanupStack::Pop( sink );
+    */
+    }
+
+//-----------------------------------------------------------------------------
+// CCRStreamingSession::CreateRtpRecordSinkL
+//
+//-----------------------------------------------------------------------------
+//    
+void CCRStreamingSession::CreateRtpRecordSinkL(
+    const SCRRecordParams& aRecordParams,
+    CRtpClipHandler*& aClipHandler )
+    {
+    LOG( "CCRStreamingSession::CreateRtpRecordSinkL()" )
+
+#ifdef RD_IPTV_FEA_RTP_CLIP_SUPPORT
+    // Create record sink
+    CCRRtpRecordSink* sink = CCRRtpRecordSink::NewL( 
+        aRecordParams, ECRRtpRecSinkId, *this, &iEngine, aClipHandler );
+    CleanupStack::PushL( sink );
+    User::LeaveIfError( iSinks.Append( sink ) );
+    CleanupStack::Pop( sink );
+
+#else // RD_IPTV_FEA_RTP_CLIP_SUPPORT
+    ( void )aRecordParams;
+    ( void )aClipHandler;
+    User::Leave( KErrNotSupported );
+#endif // RD_IPTV_FEA_RTP_CLIP_SUPPORT
+    }
+
+//-----------------------------------------------------------------------------
+// CCRStreamingSession::PostActionL
+//
+//-----------------------------------------------------------------------------
+//    
+void CCRStreamingSession::PostActionL()
+    {
+    User::LeaveIfNull( iSource );
+    iSource->PostActionL();
+    }
+
+//-----------------------------------------------------------------------------
+// CCRStreamingSession::PlayCommand
+//
+//-----------------------------------------------------------------------------
+//    
+TInt CCRStreamingSession::PlayCommand(
+    const TReal& aStartPos,
+    const TReal& aEndPos )
+    {
+    if ( iSource )
+        {
+        return iSource->Play( aStartPos, aEndPos );
+        }
+    
+    return KErrCompletion;
+    }
+
+//-----------------------------------------------------------------------------
+// CCRStreamingSession::PauseCommand
+//
+//-----------------------------------------------------------------------------
+//    
+TInt CCRStreamingSession::PauseCommand()
+    {
+    if ( iSource )
+        {
+        return iSource->Pause();
+        }
+    
+    return KErrCompletion;
+    }
+
+//-----------------------------------------------------------------------------
+// CCRStreamingSession::StopCommand
+//
+//-----------------------------------------------------------------------------
+//    
+TInt CCRStreamingSession::StopCommand()
+    {
+    if ( iSource && iSinks.Count() >= 1 )
+        {
+        return iSource->Stop();
+        }
+    
+    return KErrCompletion;
+    }
+
+//-----------------------------------------------------------------------------
+// CCRStreamingSession::SetPosition
+//
+//-----------------------------------------------------------------------------
+//    
+TInt CCRStreamingSession::SetPosition( const TInt64 aPosition )
+    {
+    if ( iSource )
+        {
+        return iSource->SetPosition( aPosition );
+        }
+
+    return KErrCompletion;
+    }
+
+//-----------------------------------------------------------------------------
+// CCRStreamingSession::GetPosition
+//
+//-----------------------------------------------------------------------------
+//    
+TInt CCRStreamingSession::GetPosition( TInt64& aPosition, TInt64& aDuration )
+    {
+    if ( iSource )
+        {
+        return iSource->GetPosition( aPosition, aDuration );
+        }
+
+    return KErrCompletion;
+    }
+
+//-----------------------------------------------------------------------------
+// CCRStreamingSession::PauseCommand
+//
+//-----------------------------------------------------------------------------
+//    
+TInt CCRStreamingSession::PauseCommand( const TCRSinkId& aSinkId )
+    {
+    // Pauses current sink action
+    for ( TInt i( iSinks.Count() - 1 ); i >= 0; i-- )
+        {
+        if ( aSinkId == iSinks[i]->Id() )
+            {
+            return iSinks[i]->Pause();
+            }
+        }
+
+    return KErrCompletion;
+    }
+    
+//-----------------------------------------------------------------------------
+// CCRStreamingSession::RestoreCommand
+//
+//-----------------------------------------------------------------------------
+//    
+TInt CCRStreamingSession::RestoreCommand( const TCRSinkId& aSinkId )
+    {
+    // Pauses current sink action
+    for ( TInt i( iSinks.Count() - 1 ); i >= 0; i-- )
+        {
+        if ( aSinkId == iSinks[i]->Id() )
+            {
+            return iSinks[i]->Restore();
+            }
+        }
+
+    return KErrCompletion;
+    }
+    
+//-----------------------------------------------------------------------------
+// CCRStreamingSession::StopCommand
+//
+//-----------------------------------------------------------------------------
+//    
+TInt CCRStreamingSession::StopCommand( const TCRSinkId& aSinkId )
+    {
+    // Stop current sink action
+    for ( TInt i( iSinks.Count() - 1 ); i >= 0; i-- )
+        {
+        if ( aSinkId == iSinks[i]->Id() )
+            {
+            iSinks[i]->Stop();
+            return KErrNone;
+            }
+        }
+
+    return KErrCompletion;
+    }
+    
+//-----------------------------------------------------------------------------
+// CCRStreamingSession::TransferSink
+//
+//-----------------------------------------------------------------------------
+//    
+TInt CCRStreamingSession::TransferSink(
+    const TCRSinkId& aSinkId,
+    CCRStreamingSession& aTargetSession )
+    {
+    LOG1( "CCRStreamingSession::TransferSink(), aSinkId: %d", aSinkId );
+    
+    for ( TInt i( iSinks.Count() - 1 ); i >= 0; i-- )
+        {
+        if ( iSinks[i]->Id() == aSinkId )
+            {
+            TInt err( aTargetSession.AddNewSink( iSinks[i] ) );
+            if ( !err )
+                {
+                iBuffer->RemoveSink( iSinks[i] );
+                iSinks.Remove( i );
+                }
+            
+            return err;
+            }
+        }
+
+    return KErrCompletion;
+    }
+    
+//-----------------------------------------------------------------------------
+// CCRStreamingSession::AddNewSink
+//
+//-----------------------------------------------------------------------------
+//    
+TInt CCRStreamingSession::AddNewSink( CCRPacketSinkBase* aSink )
+    {
+    LOG1( "CCRStreamingSession::AddNewSink(), aSink->Id: %d", aSink->Id() );
+
+    for ( TInt i( iSinks.Count() - 1 ); i >= 0; i-- )
+        {
+        if ( aSink->Id() == iSinks[i]->Id() )
+            {
+            LOG( "CCRStreamingSession::AddNewSink(), Sink already exist !" );
+            return KErrInUse;
+            }
+        }
+
+    // Add new sink
+    TInt err( iSinks.Append( aSink ) );
+    if ( !err )
+        {
+        err = iBuffer->AddSink( iSinks[iSinks.Count() - 1] );
+        }
+
+    return err;
+    }
+    
+//-----------------------------------------------------------------------------
+// CCRStreamingSession::ClipHandlerUsed
+//
+//-----------------------------------------------------------------------------
+//    
+TBool CCRStreamingSession::ClipHandlerUsed()
+    {
+    // Used in source
+    if ( iSource && iSource->Id() == ECRRtpSourceId )
+        {
+        return ETrue;
+        }
+    
+    // Used in any Sink
+    for ( TInt i( iSinks.Count() - 1 ); i >= 0; i-- )
+        {
+        if ( iSinks[i]->Id() == ECRRtpRecSinkId )
+            {
+            return ETrue;
+            }
+        }
+    
+    return EFalse;
+    }
+    
+//-----------------------------------------------------------------------------
+// CCRStreamingSession::CreateNullSinkL
+//
+//-----------------------------------------------------------------------------
+//
+void CCRStreamingSession::CreateNullSinkL()
+    {
+    CCRNullSink* sink = CCRNullSink::NewL( ECRNullSinkId, *this );
+    sink->RegisterConnectionObs( &iEngine );
+    CleanupStack::PushL( sink );
+    User::LeaveIfError( iSinks.Append( sink ) );
+    CleanupStack::Pop( sink );
+    }
+
+//-----------------------------------------------------------------------------
+// CCRStreamingSession::InitializeSinks
+//
+//-----------------------------------------------------------------------------
+//    
+void CCRStreamingSession::InitializeSinks() 
+    {
+    if ( iSource && iBuffer )
+        {
+        TPtrC8 sdp( NULL, 0 );
+        TInt err( iSource->GetSdp( sdp ) );
+        if ( err )
+            {
+            LOG1( "CCRStreamingSession::InitializeSinks(), GetSdp() Failed: %d", err );
+            SourceStop();
+            }
+        else
+            {
+            for ( TInt i( 0 ); i < iSinks.Count(); i++ ) 
+                {
+                TRAP( err, iSinks[i]->SetSdpL( sdp ) );
+                if ( err )
+                    {
+                    LOG1( "CCRStreamingSession::InitializeSinks(), SetSdpL() Failed: %d", err );
+                    SinkStops( iSinks[i]->Id() ); 
+                    return;
+                    }
+            
+                iSinks[i]->SetBuffer( iBuffer );
+                err = iBuffer->AddSink( iSinks[i] );
+                if ( err )
+                    {
+                    LOG1( "CCRStreamingSession::InitializeSinks(), AddSink() Failed: %d", err );
+                    SourceStop();
+                    return;
+                    }
+                }
+
+            iEngine.ConnectionStatusChange(
+                SourceChecksum(), MCRConnectionObserver::ECRSdpAvailable, KErrNone );            
+            }
+        }
+    }    
+
+//-----------------------------------------------------------------------------
+// CCRStreamingSession::SetSeqAndTs()
+//-----------------------------------------------------------------------------
+//
+void CCRStreamingSession::SetSeqAndTs() 
+    {
+    if ( iSource )
+        {
+        TUint audioSeq( 0 );
+        TUint audioTS( 0 );
+        TUint videoSeq( 0 );
+        TUint videoTS( 0 );
+        TReal lowerRange( KRealZero ); 
+        TReal upperRange( KRealMinusOne ); 
+        
+        iSource->GetRange( lowerRange,upperRange ); 
+        iSource->SeqAndTS( audioSeq, audioTS, videoSeq, videoTS );
+
+        for ( TInt j( 0 ); j < iSinks.Count(); j++ ) 
+            {
+            if ( !( lowerRange == KRealZero && upperRange == KRealMinusOne ) )
+                {
+                iSinks[j]->SetRange( lowerRange,upperRange ); 
+                }
+
+            iSinks[j]->SetSeqAndTS( audioSeq, audioTS, videoSeq, videoTS );
+            }
+        }
+    }
+
+//-----------------------------------------------------------------------------
+// CCRStreamingSession::SinkStops()
+// So, a sink wants to quit. we can't just delete it  here as return. Statement
+// would then take us to deleted instance: put up a cleanup CAsyncCallBack and 
+// return.
+//-----------------------------------------------------------------------------
+//
+void CCRStreamingSession::SinkStops( const TCRSinkId& aSinkId )
+    {
+    LOG1( "CCRStreamingSession::SinkStops(), aSinkId: %d", aSinkId );
+
+    // InsertInSignedKeyOrderL checks for duplicate, if there is already
+    // entry for that sink, the array will remain unchanged
+    TRAPD( err, iSinksToDelete.InsertInSignedKeyOrderL( aSinkId ) ); 
+    if ( err )
+        {
+        LOG1( "CCRStreamingSession::SinkStops(), InsertInSignedKeyOrderL leaved %d", err );      
+        }
+
+    // If not already active and sinks to delete?
+    if ( !iCleanUp->IsActive() && iSinksToDelete.Count() ) 
+        {
+        TCallBack cb( SinkStopCallBack, this );
+        iCleanUp->Set( cb );
+        iCleanUp->CallBack();
+        }               
+    }
+    
+//-----------------------------------------------------------------------------
+// CCRStreamingSession::SourceRestore()
+//-----------------------------------------------------------------------------
+//
+void CCRStreamingSession::SourceRestore()
+    {
+    if ( iSource )
+        {
+        iSource->Restore();
+        }
+    }
+
+//-----------------------------------------------------------------------------
+// CCRStreamingSession::SourceStop()
+//-----------------------------------------------------------------------------
+//
+void CCRStreamingSession::SourceStop()
+    {
+    // Session is useless without a source so ask engine to clean it all up
+    iEngine.SessionStop( this );
+    }
+    
+// -----------------------------------------------------------------------------
+// CCRStreamingSession::StatusChanged
+//
+// -----------------------------------------------------------------------------
+//      
+void CCRStreamingSession::StatusChanged(
+    MCRPacketSource::TCRPacketSourceState aStatus )
+    {
+    LOG1( "CCRStreamingSession::StatusChanged(), aStatus: %d", aStatus );
+    
+    switch ( aStatus )
+        {
+        case MCRPacketSource::ERtpStateIdle:
+            break;
+        
+        case MCRPacketSource::ERtpStateSdpAvailable:
+            TRAPD( err, CreateAndSetBufferL() );
+            if ( err )
+                {
+                LOG1( "CCRStreamingSession::StatusChanged(), CreateAndSetBuffers leaved: %d", err );
+                }
+            
+            InitializeSinks();
+            break;
+        
+        case MCRPacketSource::ERtpStateSeqAndTSAvailable:
+            SetSeqAndTs();
+            break;
+        
+        case MCRPacketSource::ERtpStateSetupRepply:
+        case MCRPacketSource::ERtpStatePlaying:
+            {                
+            for ( TInt j( iSinks.Count() - 1 ); j >= 0; j-- )
+                {
+                iSinks[j]->StatusChanged( aStatus ) ;
+                }
+            }
+            break;
+        
+        case MCRPacketSource::ERtpStateClosing:
+            SourceStop();
+            break;
+        
+        default:
+            // None.
+            break;
+        }
+    }
+
+//-----------------------------------------------------------------------------
+// CCRStreamingSession::SinkStopCallBack()
+//
+//-----------------------------------------------------------------------------
+//
+TInt CCRStreamingSession::SinkStopCallBack( TAny* aThis ) 
+    {
+    CCRStreamingSession* self = static_cast<CCRStreamingSession*>( aThis );    
+    LOG1( "CCRStreamingSession::SinkStopCallBack(), iSinksToDelete count: %d",
+        self->iSinksToDelete.Count() );
+    self->DoSinkStop();
+    return self->iSinksToDelete.Count(); 
+    }
+    
+//-----------------------------------------------------------------------------
+// CCRStreamingSession::DoSinkStop()
+//
+//-----------------------------------------------------------------------------
+//
+void CCRStreamingSession::DoSinkStop( void ) 
+    {
+    LOG( "CCRStreamingSession::DoSinkStop() in" );  
+
+    for ( TInt i( iSinksToDelete.Count() - 1 ); i >= 0; i-- )
+        {
+        for ( TInt j( iSinks.Count() - 1 ); j >= 0; j-- )
+            {
+            if ( iSinks[j]->Id() == iSinksToDelete[i] )
+                {
+                TInt remainingSinks( 0 );
+                if ( iBuffer ) 
+                    {
+                    // If we never got sdp, we never had a buffer
+                	remainingSinks = iBuffer->RemoveSink( iSinks[j] );
+                	}
+                
+                if ( remainingSinks < 1 )
+                    {
+                    // No sinks remaing for our buffers, I'm feeling useless
+                    if ( iSource ) 
+                        {
+                        iSource->Stop(); 
+                        }
+                    }
+                
+                delete iSinks[j];
+                iSinks[j] = NULL;
+                iSinks.Remove( j );
+                }
+            }
+        }
+
+    iSinksToDelete.Reset(); 
+    LOG( "CCRStreamingSession::DoSinkStop() out" );
+    }
+
+//-----------------------------------------------------------------------------
+// CCRStreamingSession::DeleteSink
+//
+//-----------------------------------------------------------------------------
+//
+void CCRStreamingSession::DeleteSink( const TCRSinkId& aSinkId )
+    {
+    for ( TInt i( iSinks.Count() - 1 ); i >= 0 ; i-- ) 
+        {
+        if ( iSinks[i]->Id() == aSinkId )
+            {
+            // Remove sink from buffer
+            if ( iBuffer )
+                {
+                iBuffer->RemoveSink( iSinks[i] );
+                }
+            
+            // Delete sink
+            delete iSinks[i];
+            iSinks[i] = NULL;
+            iSinks.Remove( i );
+            LOG2( "CCRStreamingSession::DeleteSink(), deleted index: %d, aSinkId: %d", i, aSinkId );
+            }
+        }
+    }
+
+//  End of File