--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/multimediacommscontroller/mmccredpayloadformat/inc/mccreddecoder.h Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,102 @@
+/*
+* 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: Decoder capable to handle redundancy format RTP payload.
+*
+*/
+
+
+
+
+#ifndef MCCREDDECODER_H
+#define MCCREDDECODER_H
+
+// INCLUDES
+#include "mccredencdecbase.h"
+
+/**
+* Redundancy RTP payload format decoder.
+*
+* @lib mmccredplformat.dll
+* @since Series 60 3.0
+*/
+class CMccRedDecoder : public CMccRedEncDecBase
+ {
+ public: // Constructors and destructor
+
+ /**
+ * Two-phased constructor.
+ */
+ static CMccRedDecoder* NewL();
+
+ /**
+ * Destructor.
+ */
+ virtual ~CMccRedDecoder();
+
+ public: // New functions
+
+ /**
+ * Decode encoding(s) from RTP payload given.
+ * @since Series 60 3.0
+ * @param aCurTimeStamp Timestamp of the RTP packet under decoding
+ * @return Number of data blocks decoded or system wide error code.
+ */
+ TInt DecodePayload( TUint aCurTimeStamp );
+
+ private: // Functions from base classes
+
+ /**
+ * From CMccRedEncDecBase. Initializes decoder.
+ */
+ void DoInitializeL( TInt aRedBlockCount, TInt aMaxPayloadSize,
+ TInt aNumOfEncodings );
+
+ private:
+
+ class TRedHeaderInfo
+ {
+ public:
+ TUint8 iBlockPT;
+ TUint iTimeStamp;
+ TUint iBlockLength;
+ TUint8* iBlockIndex;
+ };
+
+ /**
+ * C++ default constructor.
+ */
+ CMccRedDecoder();
+
+ /**
+ * Get info about audio data blocks in a RTP payload buffer
+ */
+ TInt GetBlockInfos( RArray<TRedHeaderInfo>& aBlockInfos,
+ const TDesC8& aRTPPayload );
+
+ private: // Data
+
+ // Time stamp from the RTP header
+ TUint iCurTimeStamp;
+
+ // Contains primary data blocks timestamp from previous RTP payload
+ TInt iLatestTimeStamp;
+
+ // Used to carry block indexes, block lengths etc.
+ RArray<TRedHeaderInfo> iRedHeaderInfo;
+
+ };
+
+#endif // MCCREDDECODER_H
+
+// End of File