--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dvrengine/CommonRecordingEngine/src/CCRNullSink.cpp	Wed Sep 01 12:20:37 2010 +0100
@@ -0,0 +1,191 @@
+/*
+* 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 that takes packet from buffer and does not put them*
+*/
+
+
+
+
+// INCLUDE FILES
+#include "CCRNullSink.h"
+#include "CCRPacketBuffer.h"
+#include "CCRStreamingSession.h"
+#include "CCRTimer.h"
+#include "MCRConnectionObserver.h"
+#include "videoserviceutilsLogger.h"
+
+// CONSTANTS
+// None
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CCRNullSink::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//  
+CCRNullSink* CCRNullSink::NewL(
+    CCRStreamingSession::TCRSinkId aSinkId,
+    CCRStreamingSession& aOwningSession )
+    {
+    CCRNullSink* self = new( ELeave ) CCRNullSink( aSinkId, aOwningSession );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CCRNullSink::CCRNullSink
+// C++ default constructor can NOT contain any code, that might leave.
+// -----------------------------------------------------------------------------
+//  
+CCRNullSink::CCRNullSink(
+    CCRStreamingSession::TCRSinkId aSinkId,
+    CCRStreamingSession& aOwningSession )
+  : CCRPacketSinkBase( aOwningSession, aSinkId )
+    {
+    // None
+    }
+
+// -----------------------------------------------------------------------------
+// CCRNullSink::ConstructL
+// 2nd phase. 
+// -----------------------------------------------------------------------------
+//  
+void CCRNullSink::ConstructL()
+    {
+    // None
+    }
+    
+// -----------------------------------------------------------------------------
+// CCRNullSink::~CCRNullSink
+// Destructor.
+// -----------------------------------------------------------------------------
+//
+CCRNullSink::~CCRNullSink()
+    {    
+    delete iSdp; 
+    delete iFlowTimer;
+    iBuffer = NULL; // does not delete and it is right thing.   
+    }
+    
+// -----------------------------------------------------------------------------
+// CCRNullSink::SetSdpL
+// as a side-effect causes parsing of the sdp.
+// -----------------------------------------------------------------------------
+//  
+void CCRNullSink::SetSdpL( const TDesC8& aSdp )
+    {
+    LOG1( "CCRNullSink::SetSdpL(), aSdp len: %d", aSdp.Length() );
+    
+    delete iSdp; iSdp = NULL; 
+    iSdp = aSdp.AllocL();
+    iOwningSession.PlayCommand( KRealZero, KRealMinusOne );
+    }
+
+// -----------------------------------------------------------------------------
+// CCRNullSink::NewPacketAvailable
+//
+// -----------------------------------------------------------------------------
+//      
+void CCRNullSink::NewPacketAvailable()
+    {
+    if ( iBuffer )
+        {
+        TPtr8 packet( NULL, 0 );
+        MCRPacketSource::TCRPacketStreamId streamId;
+        const TInt book( iBuffer->GetStream( iSinkId, streamId ) );
+        iBuffer->GetPacket( book, packet ); 
+        const TUint8* pointer( &packet[2] );
+        TInt seq( BigEndian::Get16( pointer ) );
+        LOG2( "CCRNullSink::NewPacketAvailable(), streamId: %u, seq: %u", 
+                                                  streamId, seq );
+        // Keep buffer size reasonable
+        iBuffer->HandleBufferSize();
+        
+        // Handle flow control
+        if ( !iBuffer->ContinousStream() && !iFlowTimer )
+            {
+            TRAPD( err, iFlowTimer = CCRTimer::NewL( CActive::EPriorityLow, *this ) );
+            if ( !err )
+                {
+                if ( iBuffer->PacketsCount( iSinkId ) > KErrNotFound )
+                    {
+                    iFlowTimer->After( 0 );
+                    }
+                else
+                    {
+                    iFlowTimer->At( 2e6 );
+                    }
+                }
+            else
+                {
+                delete iFlowTimer; iFlowTimer = NULL;
+                }
+            }
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CCRNullSink::TimerExpired
+// -----------------------------------------------------------------------------
+//
+void CCRNullSink::TimerExpired( CCRTimer* /*aTimer*/ )
+    {
+    if ( iBuffer->PacketsCount( iSinkId ) > KErrNotFound )
+        {
+        NewPacketAvailable();
+        }
+    else
+        {
+        iOwningSession.SourceRestore();
+        }
+    
+    delete iFlowTimer; iFlowTimer = NULL;
+    }
+
+// -----------------------------------------------------------------------------
+// CCRNullSink::RegisterConnectionObs
+// -----------------------------------------------------------------------------
+//
+void CCRNullSink::RegisterConnectionObs( MCRConnectionObserver* aObserver )
+    {
+    iObserver = aObserver;
+    }
+
+// -----------------------------------------------------------------------------
+// CCRNullSink::StatusChanged
+// -----------------------------------------------------------------------------
+//
+void CCRNullSink::StatusChanged( MCRPacketSource::TCRPacketSourceState aNewState )
+    {
+    if( iObserver )
+        {
+        TCRTestSinkData data = aNewState==MCRPacketSource::ERtpStateIdle ? ECRTestSinkStateIdle :
+                               aNewState==MCRPacketSource::ERtpStateSdpAvailable ? ECRTestSinkStateSdpAvailable :
+                               aNewState==MCRPacketSource::ERtpStateSeqAndTSAvailable ? ECRTestSinkStateSeqAndTSAvailable :
+                               aNewState==MCRPacketSource::ERtpStatePlaying ? ECRTestSinkStatePlaying :
+                               /*aNewState==MCRPacketSource::ERtpStateClosing?*/ ECRTestSinkStateClosing;
+
+        LOG3( "CCRNullSink::StatusChanged: newState=%d -> ECRTestSinkData, checksum=%d, data=%d",
+              (TInt)aNewState, (TInt)iOwningSession.SourceChecksum(), (TInt)data );
+        iObserver->ConnectionStatusChange( iOwningSession.SourceChecksum(),
+                                           MCRConnectionObserver::ECRTestSinkData,
+                                           (TInt)data );
+        }
+    }
+
+
+//  End of File