--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/dvrengine/CommonRecordingEngine/src/CCRRtpTcpStream.cpp Wed Sep 01 12:20:37 2010 +0100
@@ -0,0 +1,107 @@
+/*
+* 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: Single media stream for RTP/TCP streamer*
+*/
+
+
+
+
+// INCLUDE FILES
+#include "CCRRtpTcpStream.h"
+#include "CCRRtpTcpObserver.h"
+#include <es_sock.h>
+#include <e32math.h>
+#include "videoserviceutilsLogger.h"
+
+// CONSTANTS
+const TInt KReceiverReportLength( 12 );
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CCRRtpTcpStream::CCRRtpTcpStream
+// -----------------------------------------------------------------------------
+//
+CCRRtpTcpStream::CCRRtpTcpStream( MCRRtpTcpObserver& aObserver )
+ : iObserver(aObserver)
+ {
+ iSSRC = Math::Random();
+ }
+
+// -----------------------------------------------------------------------------
+// CCRRtpTcpStream::NewL
+// -----------------------------------------------------------------------------
+//
+CCRRtpTcpStream* CCRRtpTcpStream::NewL( MCRRtpTcpObserver& aObserver )
+ {
+ CCRRtpTcpStream* self = new( ELeave ) CCRRtpTcpStream( aObserver );
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ CleanupStack::Pop( self );
+ return self;
+ }
+
+// -----------------------------------------------------------------------------
+// CCRRtpTcpStream::ConstructL
+// -----------------------------------------------------------------------------
+//
+void CCRRtpTcpStream::ConstructL()
+ {
+ // None
+ }
+
+// -----------------------------------------------------------------------------
+// CCRRtpTcpStream::~CCRRtpTcpStream
+// -----------------------------------------------------------------------------
+//
+CCRRtpTcpStream::~CCRRtpTcpStream()
+ {
+ // None
+ }
+
+// -----------------------------------------------------------------------------
+// CCRRtpTcpStream::ForwardPacketAvailable
+// -----------------------------------------------------------------------------
+//
+void CCRRtpTcpStream::PacketAvailable( TInt aChannel )
+ {
+ // Nothing to to do for RTP, just ignore
+ if ( !( aChannel % 2 ) )
+ {
+ return;
+ }
+
+ // Very simple Receiver Report generation:
+ // - RC=0, no SSRC report blocks -> no statistics keeping
+ // - one RR for every SR received -> no timing, back-off, etc
+ TBuf8<KReceiverReportLength> chunk( KNullDesC8 );
+ chunk.SetLength( KReceiverReportLength );
+
+ // RTSP header
+ chunk[0] = ( TUint8 )( 0x24 ); // magic '$' for embedded binary in RTSP
+ chunk[1] = ( TUint8 )( aChannel ); // enbedded RTSP channel
+ // Embedded packet length, fixed
+ BigEndian::Put16( ( TUint8* )chunk.Ptr() + 2, 8 );
+
+ // RR
+ chunk[4] = 0x80; // v=2, p=0, rc=0
+ chunk[5] = 201; // PT= RR= 201
+ // Length=1 ( in 32bits, -1 )
+ BigEndian::Put16( ( TUint8* )chunk.Ptr() + 6, 1 );
+ BigEndian::Put32( ( TUint8* )chunk.Ptr() + 8, iSSRC );
+
+ iObserver.ForwardRtpTcpChunck( chunk );
+ }
+
+// End of File