amrwb_dec/ariamrwbdecwrapper/export_hdr/ariamrwbdecwrapper.h
author Pat Downey <patd@symbian.org>
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/*
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* Copyright (c) 2009 Aricent and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Aricent - initial contribution.
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*
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* Contributors:
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*
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* Description: 
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* Export header file for Wrapper APIs.Interface class for 
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* AmrWb Decoder Wrapper.The member functions are pure virtual functions which     
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* are to be implemented by the derived class.
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*
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*/
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#ifndef ARIAMRWBDECWRAPPER_H	
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#define ARIAMRWBDECWRAPPER_H
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#include<e32def.h>
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#include<e32const.h>
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#include<e32base.h>
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#include<e32debug.h>
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class CAriAmrWbDecWrapper:public CBase
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	{
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public:
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	/**
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	 * Two-phased constructor.
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	 * @return pointer to an instance of CAriAmrWbDecWrapper
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	 */
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     IMPORT_C static CAriAmrWbDecWrapper* NewL();
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     /**> Destructor */
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	 ~CAriAmrWbDecWrapper();
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	 /**
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	 * The function resets the codec.
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	 * @param  
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	 * @return return status           
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	 */
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	 virtual TInt Reset() = 0;
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	 /**
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	 * The function decodes the input stream.
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	 * @param aSrcBuf
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	 *    The source buffer containing data to decode.
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	 * @param aSrcLen
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	 *    Size of source buffer in bytes
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	 * @param aDstBuf
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	 *    The destination buffer to hold the data after decoding.  
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	 * @param aDstLen
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	 *    Size of destination buffer in bytes
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	 * @return return status           
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	 */
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	 virtual TInt Decode(TUint8* aSrcBuf,TInt32 &aSrcLen,TInt32* aDstBuf, 
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														 TInt32 &aDstLen) = 0;
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	};
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#endif /* ARIAMRWBDECWRAPPER_H  */