1 /*

     2 * Copyright (c) 2004 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "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 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  This file defines the AWB Play Controller Decoder class.

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef CAWBPLAYCONTROLLERDECODER_H

    21 #define CAWBPLAYCONTROLLERDECODER_H

    22 

    23 // INCLUDES

    24 #include "AdvancedAudioDecoder.h"

    25 

    26 // FORWARD DECLARATIONS

    27 class CMMFCodec;

    28 class TAudioFrameInfo;

    29 

    30 // CLASS DECLARATION

    31 

    32 /**

    33 *  This class defines the AWB play controller decoder.

    34 *

    35 *  @lib AWBAudioPlayController.lib

    36 *  @since 3.0

    37 */

    38 class CAWBAudioPlayControllerDecoder : public CAdvancedAudioDecoder

    39     {

    40 

    41 	public:  // Constructors and destructor

    42 

    43         /**

    44         * Two-phased constructor.

    45         */

    46         static CAWBAudioPlayControllerDecoder* NewL();

    47 

    48         /**

    49         * Destructor.

    50         */

    51         virtual ~CAWBAudioPlayControllerDecoder();

    52 

    53 	public:   // Functions from base classes

    54 

    55         /**

    56 		* From CAdvancedAudioDecoder

    57 	    * Check if the audio converter is hardware accelerated.

    58 	    * @since 3.0

    59 	    * @return ETrue if hardare accelerated, otherwise, EFalse.

    60 	    */

    61         TBool IsHwAccelerated();

    62 		TCodecProcessResult ProcessL(CMMFBuffer& aSrc, CMMFBuffer& aDst);

    63 		TInt CodecConfig(RArray<TInt>& aCodecConfigData);

    64 		TInt CodecCmd(TCodecCmd aCmd);

    65 

    66     private: // Functions from base classes

    67 

    68 		void ResetL();

    69 

    70         /**

    71         * C++ default constructor.

    72         */

    73         CAWBAudioPlayControllerDecoder();

    74 

    75         /**

    76         * By default Symbian 2nd phase constructor is private.

    77         */

    78         void ConstructL();

    79 

    80 		void InitCodecConfigs();

    81 		TInt FrameInfo(const TUint8* aBuf,TInt aBufLen,	TAudioFrameInfo& aInfo);

    82 		TInt SeekSync(TUint8* aBuf, TInt aBufLen);

    83 		TInt FrameLength(const TUint8* aBuf, TInt aBufLen, TInt& aFrameLength);

    84 

    85 	private:	// Data

    86 

    87 	};

    88 

    89 

    90 #endif 		// CAWBPLAYCONTROLLERDECODER_H

    91