/*

* 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:    "Late binding" state for incoming SRTP stream. 

*                 In this state, the stream reads SSRC value from packet

*                 and it becomes "official" SSRC value for this stream.

*

*/

#ifndef TSRTPSTREAMINSTATELATEBIND_H

#define TSRTPSTREAMINSTATELATEBIND_H

// INCLUDES

#include "tsrtpstreaminstatebase.h"

// FORWARD DECLARATIONS

class MSRTPCryptoHandlerContext;

// CLASS DECLARATION

class TSRTPStreamInStateLateBind : public TSRTPStreamInStateBase

	{

	public:	// Constructors

		TSRTPStreamInStateLateBind(MSRTPStreamInContext& aStreamContext,

		    MSRTPCryptoHandlerContextRTP& aCryptoHandlerRTPContext,

		    MSRTPCryptoHandlerContextRTCP& aCryptoHandlerRTCPContext);

	public: // From TSRTPStreamInStateBase

        /**

        * Unprotect encrypted RTP packet in "late binding" state.

        * @param aPacket encrypted packet

        * @leave KErrNone if success, system-wide error code otherwise        

        * @return HBufC8* decrypted packet

        */                              

        HBufC8* DoUnprotectSrtpL(const TDesC8& aPacket);

        /**

        * Unprotect encrypted RTCP packet in "late binding" state.

        * @param aPacket encrypted packet

        * @leave KErrNone if success, system-wide error code otherwise        

        * @return HBufC8* decrypted packet

        */                              

        HBufC8* DoUnprotectSrtcpL(const TDesC8& aPacket);

	private: // Constructors

		/// Default constructor. Not implemented.

		TSRTPStreamInStateLateBind();

	};

#endif // TSRTPStreamInStateLateBind_H