--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/rtp/srtpstack/inc/tsrtpstreaminstatebase.h Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,74 @@
+/*
+* 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 incoming SRTP stream states
+*
+*/
+
+
+
+
+#ifndef TSRTPSTREAMINSTATEBASE_H
+#define TSRTPSTREAMINSTATEBASE_H
+
+// INCLUDES
+#include <e32std.h>
+#include "tsrtpstreamstatebase.h"
+
+// FORWARD DECLARATIONS
+class MSRTPStreamInContext;
+class MSRTPCryptoHandlerContext;
+class MSRTPCryptoHandlerContextRTP;
+class MSRTPCryptoHandlerContextRTCP;
+
+// CLASS DECLARATION
+class TSRTPStreamInStateBase : public TSRTPStreamStateBase
+ {
+ protected: // Constructors and destructor
+
+ TSRTPStreamInStateBase(MSRTPStreamInContext& aStreamContext,
+ MSRTPCryptoHandlerContextRTP& aCryptoHandlerRTPContext,
+ MSRTPCryptoHandlerContextRTCP& aCryptoHandlerRTCPContext);
+
+ public: // New methods
+ /**
+ * virtual function for unprotecting encrypted RTP packet.
+ * implemented in substates of TSRTPStreamInStateBase.
+ * @param aPacket encrypted packet
+ * @leave KErrNone if success, system-wide error code otherwise
+ * @return HBufC8* decrypted packet
+ */
+ virtual HBufC8* DoUnprotectSrtpL(const TDesC8& aPacket)=0;
+
+ /**
+ * virtual function for unprotecting encrypted RTCP packet.
+ * implemented in substates of TSRTPStreamInStateBase.
+ * @param aPacket encrypted packet
+ * @leave KErrNone if success, system-wide error code otherwise
+ * @return HBufC8* decrypted packet
+ */
+ virtual HBufC8* DoUnprotectSrtcpL(const TDesC8& aPacket)=0;
+
+ private: // Constructors
+ /// Default constructor. Not implemented.
+ TSRTPStreamInStateBase();
+
+ protected: // Data
+ /*
+ * interface for a receiver stream for changing state
+ */
+ MSRTPStreamInContext& iStreamContext;
+
+ };
+
+#endif // TSRTPStreamInStateBase_H