diff -r 000000000000 -r 307788aac0a8 rtp/srtpstack/inc/srtppacketrtp.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rtp/srtpstack/inc/srtppacketrtp.h	Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,154 @@
+/*
+* Copyright (c) 2004 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:    SRTP packet class (RTP)
+*
+*/
+
+
+
+
+#ifndef __SRTP_PACKET_RTP_H__
+#define __SRTP_PACKET_RTP_H__
+
+// INCLUDES
+#include <in_sock.h>
+#include "srtppacket.h"
+#include <e32math.h>
+
+// FORWARD DECLARATIONS
+class CSRTPCryptoHandler;
+
+/**
+* Contains general RTP-specific packet routines
+*/
+class CSRTPPacketRTP : public CSRTPPacket
+    {
+    public:
+    	static CSRTPPacketRTP* NewL(const TDesC8& aPacket,
+                      CSRTPCryptoHandler& aHandler);
+                      
+        /**
+        * Get sequence number.
+        * @return 16 bit sequence number.
+        */                              
+        TUint16 SequenceNumber();         
+
+        /**
+        * Get packet index.
+        * @return TUint64 packet index.
+        */                              
+        TUint64 PacketIndex();
+
+        /**
+        * Set packet index.
+        * @param aPacketIndex  new packet index
+        * @return void
+        */                              
+        void SetPacketIndex(TUint64 aPacketIndex);
+
+        /**
+        * Count sender packet index.
+        * @return void
+        */                              
+        void CountSenderPacketIndex();  
+
+        /**
+        * Create encrypted packet.
+        * @param aEncryptedPayloadPtr  encrypted payload to be copied
+        * @leave KErrNone if success, system-wide error code otherwise        
+        * @return HBufC8* encrypted packet
+        */                              
+        HBufC8* CreateEncryptedPacketL(TUint8* aEncryptedPayloadPtr);
+        
+        /**
+        * virtual function for creating decrypted packet.
+        * @param aDecryptedPayloadPtr  decrypted payload to be copied
+        * @leave KErrNone if success, system-wide error code otherwise        
+        * @return HBufC8* decrypted packet
+        * implemented in CSRTPPacketSRTP.
+        */                              
+        virtual HBufC8* CreateDecryptedPacketL(TUint8* aDecryptedPayloadPtr);
+
+        /**
+        * virtual function for getting the authentication tag
+        * implemented in CSRTPPacketSRTP.
+        */                              
+        virtual TPtrC8 AuthenticationTag();
+
+        /**
+        * virtual function for getting the master key identifier
+        * implemented in CSRTPPacketSRTP.
+        */                              
+        virtual TPtrC8 MasterKeyIdentifier();
+        
+		/*
+        * Update header length member
+        * @leave KErrNone if success, system-wide error code otherwise        
+        * @return void
+        */
+        void UpdateHeaderLengthL();  
+        
+        /**
+        * Get Sender Roll-Over Counter from RTP/SRTP packets defined by RCC mode
+        * @return 32 bit unsigned integer 
+        */                              
+        TUint32 GetSenderROC(); 
+                        
+    protected: //methods        
+        CSRTPPacketRTP (const TDesC8& aPacket,
+                      CSRTPCryptoHandler& aHandler);
+        ~CSRTPPacketRTP(); 
+
+        /**
+        * Update payload length information
+        * @return void
+        */                              
+        void UpdatePayloadLength();
+        void ConstructL();   
+        
+        TBool TagWithROCLengthL();  
+                
+    private: //methods
+    
+       /**
+        * Read sequence number and update class member
+        * @return void
+        */                              
+        void UpdateSequenceNumber();    
+                                    
+       /**
+        * Count size of the encrypted packet
+        * @return TUint size of the encrypted packet
+        */                              
+        TUint CountEncryptedPacketSizeL();        
+
+       /**
+        * Count size of the decrypted packet
+        * @return TUint size of the decrypted packet
+        */                              
+        TUint CountDecryptedPacketSize();                
+            
+    private: //data    
+        TUint16                       iSequenceNumber;   // sequence number
+        TUint64                       iPacketIndex;      // packet index   
+        TUint32 					  iSenderROC; 		 //used in RCC modes       
+     #ifdef EUNIT_TESTING
+        friend class UT_CSRTPCryptoHandlerSRTP;
+        friend class UT_CSRTPCryptoHandler;
+    #endif     
+              
+    };
+
+#endif // __SRTP_PACKET_RTP_H__
+