--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rtp/srtpstack/inc/tsrtpstreamoutstatebase.h	Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,73 @@
+/*
+* 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:    Base class for outgoing SRTP stream states
+*
+*/
+
+
+
+
+
+#ifndef TSRTPSTREAMOUTSTATEBASE_H
+#define TSRTPSTREAMOUTSTATEBASE_H
+
+// INCLUDES
+#include <e32std.h>
+#include "tsrtpstreamstatebase.h"
+
+// FORWARD DECLARATIONS
+class MSRTPStreamOutContext;
+class MSRTPCryptoHandlerContext;
+class MSRTCPCryptoHandlerContext;
+
+// CLASS DECLARATION
+class TSRTPStreamOutStateBase : public TSRTPStreamStateBase
+	{
+	protected:	// Constructors and destructor
+
+		TSRTPStreamOutStateBase(MSRTPStreamOutContext& aStreamContext,
+		    MSRTPCryptoHandlerContextRTP& aCryptoHandlerRTPContext,
+		    MSRTPCryptoHandlerContextRTCP& aCryptoHandlerRTCPContext);
+
+	public: // New methods
+        /**
+        * virtual function for protecting plain RTP packet.
+        * implemented in substates of TSRTPStreamOutStateBase.
+        * @param aPacket plain RTP packet
+        * @leave KErrNone if success, system-wide error code otherwise        
+        * @return HBufC8* encrypted packet
+        */                              	
+		virtual HBufC8* DoProtectRtpL(const TDesC8& aPacket)=0;
+
+        /**
+        * virtual function for protecting plain RTCP packet.
+        * implemented in substates of TSRTPStreamOutStateBase.
+        * @param aPacket plain RTCP packet
+        * @leave KErrNone if success, system-wide error code otherwise        
+        * @return HBufC8* encrypted packet
+        */                              	
+		virtual HBufC8* DoProtectRtcpL(const TDesC8& aPacket)=0;
+
+	private: // Constructors
+		/// Default constructor. Not implemented.
+		TSRTPStreamOutStateBase();
+
+	protected: // Data
+		/* 
+	    * interface for a transmitting stream for changing state
+	    */
+		MSRTPStreamOutContext& iStreamContext;
+	};
+
+#endif // TSRTPStreamOutStateBase_H