multimediacommscontroller/mmccredpayloadformat/inc/mccredencoder.h
changeset 0 1bce908db942
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/multimediacommscontroller/mmccredpayloadformat/inc/mccredencoder.h	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,103 @@
+/*
+* Copyright (c) 2005-2006 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:    Encoder capable to form redundant RTP payload.
+*
+*/
+
+
+
+
+#ifndef MCCREDENCODER_H
+#define MCCREDENCODER_H
+
+//  INCLUDES
+#include    "mccredencdecbase.h"
+
+/**
+*  Redundancy RTP payload format encoder.
+*
+*  @lib mmccredplformat.dll
+*  @since Series 60 3.0
+*/
+class CMccRedEncoder : public CMccRedEncDecBase
+    {
+    public:  // Constructors and destructor
+        
+        /**
+        * Two-phased constructor.
+        */
+        static CMccRedEncoder* NewL();
+        
+        /**
+        * Destructor.
+        */
+        virtual ~CMccRedEncoder();
+
+    public: // New functions
+        
+        /**
+        * Encode all encodings set to the RTP payload.
+        * @since    Series 60 3.0
+        * @param    aCurTimeStamp       Time stamp of the current RTP packet
+        * @return   void
+        */
+        void EncodePayloadL( TUint aCurTimeStamp );
+ 
+    private:    // Functions from base classes
+        
+        /**
+        * From CMccRedEncDecBase. Initializes encoder.
+        */
+        void DoInitializeL( TInt aRedBlockCount, TInt aMaxPayloadSize,
+            TInt aNumOfEncodings );
+
+    private:
+
+        /**
+        * C++ default constructor.
+        */
+        CMccRedEncoder();
+
+        /**
+        * By default Symbian 2nd phase constructor is private.
+        */
+        void ConstructL();
+        
+        /**
+        * Construct redundancy headers.
+        * @since    Series 60 3.0
+        * @param    aCurTimeStamp       Current time stamp
+        * @return   None
+        */
+        void ConstructRedHeaders( TUint aCurTimeStamp );
+
+    private:    // Data
+         
+         // Contains latest payloads constructed
+         CMMFDataBuffer* iRedPayload;
+         
+         // Indicates whether redundant packets to send exist
+         TBool iRedPackets;
+         
+         // Contains redundancy headers being encoded
+         HBufC8* iRedHeaders;
+         
+         // Contains time stamps of the latest payloads constructed
+         RArray<TUint> iRedTimeStamps;
+
+    };
+
+#endif      // MCCREDENCODER_H   
+            
+// End of File