1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

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

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #ifndef DEVSOUNDADAPTATIONINFOIMPLBODY_H

    17 #define DEVSOUNDADAPTATIONINFOIMPLBODY_H

    18 

    19 #include <e32std.h>

    20 #include <ecom/ecom.h>

    21 #include <a3f/a3f_trace_utils.h>

    22 #include <a3f/a3ffourcclookup.h>

    23 #include <mmf/common/mmfutilities.h> // For TFourCC

    24 #include "devsoundadaptationinfoimpl.h"

    25 

    26 #define KFOURCCLENGTH 4

    27 

    28 class MA3FDevSoundAdaptationInfoObserver;

    29 

    30 /*

    31 The real implementation of CA3FDevsoundAdaptationInfo.

    32 */

    33 NONSHARABLE_CLASS(CA3FDevSoundAdaptationInfoImpl::CBody) : public CActive, public MTruePauseCustomInterface

    34 	{

    35 public:

    36 

    37 	/*

    38 	Factory

    39 	*/

    40 	static CBody* NewL(MA3FDevSoundAdaptationInfoObserver& aObserver, CFourCCConvertor& aFourCcConvertor);

    41 

    42 	/*

    43 	Destructor.

    44 	*/

    45 	~CBody();

    46 

    47 	TInt RequestMaxGain(TUid aCodecType);

    48 	TInt RequestSupportedFormats(TUid aCodecType, RArray<TUid>& aSupportedFormats);

    49 	

    50 	// From CActive

    51 	TInt Extension_(TUint aExtensionId, TAny*& aExtPtr, TAny*);

    52 	

    53 	// from MTruePauseCustomInterface

    54 	TBool IsResumeSupported(TUid aCodecType, TUid aFormat);

    55 

    56 private:

    57 

    58 	static TBool IsDataTypeMatch(TFourCC aFourCCPCM16,TFourCC aFourCC);

    59 

    60 	void SeekHwDevicePluginsL(RArray<TFourCC>& aSupportedDataTypes, TUid aCodecType);

    61 

    62 	void ReadSupportedFormatsL(TUid aCodecType, RArray<TUid>& aSupportedFormats);

    63 

    64 	TBool FourCCExists(RArray<TFourCC>& aSupportedDataTypes,TFourCC aFourCCEntry);

    65 

    66 	void ReadFourCC(CImplementationInformation* aHwDeviceResourceEntry, TFourCC& aFourCCLeft, TFourCC& aFourCCRight);

    67 

    68 protected:

    69 	void ConstructL(MA3FDevSoundAdaptationInfoObserver& aAdaptationInfoObserver, CFourCCConvertor& aFourCcConvertor);

    70 	CBody();

    71 

    72 	// from CActive

    73 	void RunL();

    74 	void DoCancel();

    75 	TInt RunError(TInt aError);

    76 

    77 private:

    78 

    79 	MA3FDevSoundAdaptationInfoObserver* iAdaptationInfoObserver;

    80 

    81 	// Pointer to fourcc convertor

    82 	// Not owned.

    83 	CFourCCConvertor* iFourCcConvertor;

    84 

    85 	TBool iMaxGainRequested;

    86 	TBool iFormatsRequested;

    87 

    88 	TUid iCodecType;

    89 	};

    90 

    91 

    92 #endif // DEVSOUNDADAPTATIONINFOIMPLBODY_H