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 * AacLC encoder Wrapper.The member functions are pure virtual functions which

    17 * are to be implemented by the derived class.

    18 *

    19 */

    20 

    21 #ifndef ARIAACLCENCWRAPPER_H

    22 #define ARIAACLCENCWRAPPER_H

    23 

    24 #include<e32base.h>

    25 

    26 // Class declaration

    27 class CAriAacLCEncWrapper:public CBase

    28     {

    29 

    30 public:

    31     /**

    32      * Two-phased constructor.

    33      * @return pointer to an instance of CAriAacLCEncWrapper

    34      */

    35     IMPORT_C static CAriAacLCEncWrapper* NewL();

    36 

    37     /**> Destructor */

    38     ~CAriAacLCEncWrapper();

    39 

    40 	/**

    41      * The function resets the encoder.

    42      * @param aParam

    43      *    pointer to encoding parameter structure

    44      * @return return status

    45      */

    46     virtual TInt Reset( TAny* aParam ) = 0;

    47 

    48     /**

    49      * The function creates the header for the AAC stream with the

    50      * parameters specified.

    51      * @param aDstBuf

    52      *    The destination buffer to hold the header information

    53      * @param aDstLen

    54      *    Length of the header in bytes

    55      * @return return status

    56      */

    57     virtual TInt GetHeader( TUint8* aDstBuf, TInt &aDstLen ) = 0;

    58 

    59     /**

    60      * The function encodes the input stream.

    61      * @param aSrcBuf

    62      *    The source buffer containing data to encode.

    63      * @param aSrcLen

    64      *    Size of source buffer in bytes

    65      * @param aDstBuf

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

    67      * @param aDstLen

    68      *    Size of destination buffer in bytes

    69      * @return return status

    70      */

    71     virtual TInt Encode( TInt16* aSrcBuf, TInt &aSrcLen,

    72                                     TUint8* aDstBuf, TInt &aDstLen ) = 0;

    73 

    74     };

    75 

    76 

    77 #endif /* ARIAACLCENCWRAPPER_H  */