--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/multimediacommscontroller/mmccredpayloadformat/inc/mccredencdecbase.h	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,136 @@
+/*
+* 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:    Base functionality common for redundancy RTP payload encoder 
+*                and decoder.
+*
+*/
+
+
+
+#ifndef MCCREDENCDECBASE_H
+#define MCCREDENCDECBASE_H
+
+//  INCLUDES
+#include <e32base.h>
+
+// CONSTANTS
+const TInt  KMaxNumOfEncodings  =   3;
+const TInt  KPayloadNotDefined  =   128;
+
+// DATA TYPES
+enum TMccRedEncoding
+    {
+    EMccPrimaryEncoding     =   0,
+    EMccSecondaryEncoding,
+    EMccTertiaryEncoding,
+    EMccRTPPayload
+    };
+
+// FORWARD DECLARATIONS
+class CMMFDataBuffer;
+
+// CLASS DECLARATION
+
+/**
+*  Base class for redundancy RTP payload format encoder/decoder.
+*
+*  @lib mmccredplformat.dll
+*  @since Series 60 3.0
+*/
+class CMccRedEncDecBase : public CBase
+    {
+    public:  // Constructors and destructor
+        
+        /**
+        * Destructor.
+        */
+        virtual ~CMccRedEncDecBase();
+
+    public: // New functions
+        
+        /**
+        * Set encoding, which is wanted to encode/decode.
+        * @since    Series 60 3.0
+        * @param    aEncoding       Identifies, which kind of encoding is set
+        * @param    aEncodingBuf    Buffer holding encoding
+        * @return   void
+        */
+        virtual void SetEncodingBlockL( TMccRedEncoding aEncoding,
+                                        TDesC8& aEncodingBuf );
+
+        /**
+        * Get encoding specified with parameter.
+        * @since    Series 60 3.0
+        * @param    aEncoding       Identifies, which kind of encoding is get
+        * @param    aToBuffer       Buffer where to place data
+        * @return   void
+        */                                     
+        virtual void GetEncodingBlockL( TMccRedEncoding aEncoding, 
+                                        TDes8& aToBuffer );
+        
+        /**
+        * Initialize after enc/dec parameters are changed or stream is
+        * started again after pause.
+        *
+        * @since    Series 60 3.0
+        * @param    aRedCount           Number of redundant blocks to handle
+        * @param    aMaxPayloadSize     Maximum size of the pure RTP payload
+        * @param    aNumOfEncodings     Number of encodings to handle
+        * @return   void
+        */
+        virtual void InitializeL( TInt aRedCount, TInt aMaxPayloadSize,
+            TInt aNumOfEncodings );
+                      
+        /**
+        * Set payload types to wait for.
+        * @since    Series 60 3.0
+        * @param    aPayloadTypes       Payload types
+        * @return   System wide error code
+        */
+        virtual TInt SetPayloadTypes( RArray<TUint>& aPayloadTypes );
+
+    protected:  // New functions
+        
+        /**
+        * C++ default constructor.
+        */
+        CMccRedEncDecBase();
+
+    private:
+        
+        virtual void DoInitializeL( TInt aRedCount, TInt aMaxPayloadSize,
+            TInt aNumOfEncodings ) = 0;
+
+    protected:  // Data
+    
+        // Number of redundant data blocks included in one RTP payload
+        TInt iRedBlockCount;
+        
+        // Maximum size of the RTP payload in bytes to handle
+        TInt iMaxPayloadSize;
+        
+        // Buffer where to handle whole RTP payload including redundancy
+        CMMFDataBuffer* iRTPPayload;
+
+        // Payload types for all encodings
+        TFixedArray< TUint8, KMaxNumOfEncodings > iPayloadTypes;
+        
+        // Encodings, which are included in RTP payload
+        TFixedArray< CMMFDataBuffer*, KMaxNumOfEncodings > iEncodings;
+
+    };
+
+#endif      // MCCREDENCDECBASE_H   
+            
+// End of File