1 /*

     2 * Copyright (c) 2010 Ixonos Plc.

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the "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 * Ixonos Plc

    14 *

    15 * Description:  

    16 *

    17 */

    18 

    19 

    20 

    21 #ifndef __CPROCWAVFRAMEHANDLER_H__

    22 #define __CPROCWAVFRAMEHANDLER_H__

    23 

    24 #include <e32base.h>

    25 #include "AudCommon.h"

    26 #include "ProcConstants.h"

    27 #include "ProcFrameHandler.h"

    28 

    29 class CProcWAVFrameHandler : public CProcFrameHandler 

    30     {

    31 

    32 public:

    33 

    34     /*

    35     * Constructors & destructor

    36     *

    37     */

    38     static CProcWAVFrameHandler* NewL(TInt aBitsPerSample);

    39     static CProcWAVFrameHandler* NewLC(TInt aBitsPerSample);

    40     virtual ~CProcWAVFrameHandler();

    41 

    42 

    43     // From base class --------------->

    44     virtual TBool ManipulateGainL(const HBufC8* aFrameIn, HBufC8*& aFrameOut, TInt8 aGain);

    45 

    46     

    47     virtual TBool GetGainL(const HBufC8* aFrame, RArray<TInt>& aGains, TInt& aMaxGain) const;

    48     virtual TBool GetNormalizingMargin(const HBufC8* aFrame, TInt8& aMargin) const;

    49 

    50     virtual TBool IsMixingAvailable() const;

    51     virtual TBool MixL(const HBufC8* aFrame1, const HBufC8* aFrame2, HBufC8*& aMixedFrame);

    52     //<---------------------------------

    53 

    54     

    55 private:

    56 

    57     // ConstructL

    58     void ConstructL();

    59     

    60     // c++ constructor

    61     CProcWAVFrameHandler(TInt aBitsPerSample);

    62     

    63     // gets the highest gain

    64     TInt GetHighestGain(const HBufC8* aFrame, TInt& aMaxGain) const;

    65 

    66     // bitdepth

    67     TInt iBitsPerSample;

    68 

    69     

    70     };

    71 

    72 #endif