diff -r 000000000000 -r 307788aac0a8 ipappprotocols_plat/srtp_api/inc/msrtpstreamincontext.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ipappprotocols_plat/srtp_api/inc/msrtpstreamincontext.h	Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,70 @@
+/*
+* 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:    implementation
+*
+*/
+
+
+
+
+#ifndef MSRTPSTREAMINCONTEXT_H
+#define MSRTPSTREAMINCONTEXT_H
+
+#include <e32std.h>
+
+
+// CLASS DECLARATION
+/**
+* A context for CSRTPStreamIn states. Defines the states for incoming stream.
+*
+*  @lib n/a
+*/
+class MSRTPStreamInContext
+	{
+	public: // Enumerations
+	
+        /** Subscription states */
+        enum TContextInState 
+            {
+            /* Not Initialized, no calls made for this stream yet,  */
+			ESRTPStreamInUninitialized=0,
+			/**  Use "late binding" of SSRC, that is, */
+			/** read SSRC from the packet */
+			ESRTPStreamInLateBinding=1,			          
+            /** Normal, stream initialized, use the SSRC given from user */
+			ESRTPStreamInNormal=2,
+			/** Not a real state. Upper limit for the number of states */
+			EMaxStates=3
+            };
+	
+    public: // New functions
+                       
+        /*
+        * Virtual function for changing state of the current 
+        * receiver stream (for RTP)
+        * Implemented in CSRTPStreamIn
+        * @param aNewState new RTP state which stream is changed to
+        */
+        virtual void ChangeRTPState(TContextInState aNewState) = 0;
+
+        /*
+        * Virtual function for changing state of the current 
+        * receiver stream (for RTCP)
+        * Implemented in CSRTPStreamIn
+        * * @param aNewState new RTCP state which stream is changed to
+        */
+        virtual void ChangeRTCPState(TContextInState aNewState) = 0;
+        
+	};
+#endif  //MSRTPSTREAMINCONTEXT_H