1 /*

     2 * Copyright (c) 2009 Aricent and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the License "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Aricent - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 * Export header file for Wrapper APIs.Interface class for 

    16 * AmrNb Decoder Wrapper.The member functions are pure virtual functions which     

    17 * are to be implemented by the derived class.

    18 *

    19 */

    20 

    21 #ifndef ARIAMRNBDECWRAPPER_H 

    22 #define ARIAMRNBDECWRAPPER_H

    23 

    24 // system include files

    25 #include<e32def.h>

    26 #include<e32const.h>

    27 #include<e32base.h>

    28 #include<e32debug.h>

    29 

    30 // Class declaration

    31 class TDecParam

    32 	{

    33 public:

    34 	//mediatype takes 0 for RTP and 1 for 3GPP

    35 	TInt iMediatype;	

    36 	};

    37 	

    38 // Class declaration

    39 class CAriAmrNbDecWrapper:public CBase

    40 	{

    41 public:

    42 	/**

    43 	 * Two-phased constructor.

    44 	 * @return pointer to an instance of CAriAmrNbDecWrapper

    45 	 */

    46 	IMPORT_C static CAriAmrNbDecWrapper* NewL();

    47 	

    48 	/**> Destructor */

    49 	~CAriAmrNbDecWrapper();

    50 	

    51 	/**

    52 	 * The function resets the codec.

    53 	 * @param aParam 

    54 	 *    TDecParam in which it takes 0 for RTP and 1 for RTP

    55 	 * @return return status           

    56 	 */

    57 	virtual TInt Reset( TDecParam aParam ) = 0;

    58 	

    59 	/**

    60 	 * The function decodes the input stream.

    61 	 * @param aSrcBuf

    62 	 *    The source buffer containing data to decode.

    63 	 * @param aSrcLen

    64 	 *    Size of source buffer in bytes

    65 	 * @param aDstBuf

    66 	 *    The destination buffer to hold the data after decoding.  

    67 	 * @param aDstLen

    68 	 *    Size of destination buffer in bytes

    69 	 * @return return status           

    70 	 */

    71 	virtual TInt Decode( TUint8* aSrcBuf, TInt &aSrcLen, TInt* aDstBuf, 

    72 														TInt &aDstLen ) = 0;	

    73 	};

    74 

    75 

    76 #endif /* ARIAMRNBDECWRAPPER_H  */