--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/utilities/ariprocessengine/inc/aribasecodec.h	Fri Jul 23 16:58:44 2010 +0100
@@ -0,0 +1,81 @@
+/*
+* Copyright (c) 2009 Aricent and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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:
+* Aricent - initial contribution.
+*
+* Contributors:
+*
+* Description:
+* Declares interface class MBaseCodec whose pure virtual functions should be
+* implemented by all video encoder/decoder wrappers
+*
+*/
+
+
+#ifndef ARIBASECODEC_H
+#define ARIBASECODEC_H
+
+#include <E32def.h>
+
+class MBaseCodec
+	{
+	public:
+		/**
+		 * This enumeration should be used to indicate the result
+		 * of a call to DoProcessL
+		 */
+		enum TCodecState {
+			EInputConsumed,
+			EOutputConsumed,
+			EConsumed,
+			ENotConsumed
+			};
+	public:
+
+		/**
+		 * Processes an input buffer , returns one of the TCodecState
+		 * @param aInpBuf
+		 *    Coded input data
+		 * @param aOutBuf
+		 *    Decoded output data
+		 * @leave The method will leave if an error occurs
+		 * @return one of the TCodecState members
+		 */
+		virtual TInt DoProcessL( TAny *aInpBuf, TAny* aOutBuf = NULL ) = 0;
+
+		/**
+		 * Used to set codec parameteres
+		 * @param aCommand
+		 *    Indicates the encoder parameter to set
+		 * @param aCmdData
+		 *    The value to which the encoder parameter should be set
+		 * @return symbian wide error code
+		 */
+		virtual TInt SetParam( TInt aCommand, TAny* aCmdData ) = 0;
+
+		/**
+		 * Used to get codec parameteres
+		 * @param aCommand
+		 *    Indicates the encoder parameter to get
+		 * @param aCmdData
+		 *    The value of the encoder parameter (OUT)
+		 * @return symbian wide error code
+		 */
+		virtual TInt GetParam( TInt aCommand, TAny* aCmdData ) = 0;
+
+		/**
+		 * Cancels all processing of the commands
+		 */
+		virtual void Reset() = 0;
+
+	};
+
+#endif //ARIBASECODEC_H
+
+