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 * HeAac Decoder Wrapper.The member functions are pure virtual functions which

    17 * are to be implemented by the derived class.

    18 *

    19 */

    20 

    21 #ifndef ARIHEAACDECWRAPPER_H

    22 #define ARIHEAACDECWRAPPER_H

    23 

    24 #include <e32def.h>

    25 #include <e32base.h>

    26 

    27 

    28 // Class declaration

    29 class CAriHeAacDecWrapper:public CBase

    30     {

    31 

    32 public:

    33     /**

    34      * Two-phased constructor.

    35      * @return pointer to an instance of CAriHeAacDecWrapper

    36      */

    37     IMPORT_C static CAriHeAacDecWrapper* NewL();

    38 

    39     /**> Destructor */

    40 	virtual ~CAriHeAacDecWrapper();

    41 

    42 	/**

    43      * The function returns the Format type of the input stream.

    44      * @param aData

    45      *    Pointer to buffer containing the first chunk of input stream data

    46      * @return Format type of input stream

    47      */

    48 	virtual TInt FormatType( TUint8* aData ) = 0;

    49 

    50 	/**

    51      * The function Gets frame information for the given source.

    52      * @param aHeaderBuffer

    53      *    Pointer to buffer containing the header of input stream data

    54      * @param aHeaderSize

    55      *    size of header in bytes

    56      * @param aFrameInfo

    57      *    pointer to FrameInfo structure

    58      * @param aFormat

    59      *    Format type of input stream

    60      * @param aDataBuffer

    61      *    Pointer to buffer containing input stream data

    62      * @param aDataSize

    63      *    size of input data in bytes

    64      * @return return status

    65      */

    66 	virtual TInt GetFrameInfo( TUint8* aHeaderBuffer, TInt &aHeaderSize,

    67                             TAny* aFrameInfo, TInt aFormat,

    68                             TUint8* aDataBuffer, TInt aDataSize ) = 0;

    69 

    70 	/**

    71      * The function decodes the input stream.

    72      * @param aSrcBuf

    73      *    The source buffer containing data to decode.

    74      * @param aSrcUsed

    75      *    Size of source buffer in bytes

    76      * @param aDstBuf

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

    78      * @param aOutSize

    79      *    Size of destination buffer in bytes

    80      * @return return status

    81      */

    82  	virtual TInt Decode( TUint8 *aSrcBuf, TInt &aSrcUsed, TUint8 *aDstBuf,

    83                                                 TInt &aOutSize ) = 0;

    84 

    85  	/**

    86      * The function resets the codec.

    87      * @param aFrameInfo

    88      *    pointer to FrameInfo structure

    89      * @return return status

    90      */

    91 	virtual TInt Reset( TAny* aFrameInfo ) = 0;

    92     };

    93 

    94 

    95 #endif /*   ARIHEAACDECWRAPPER_H   */

    96