os/mm/mmhais/refacladapt/src/audiocodec/resourcedata.h
changeset 0 bde4ae8d615e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/mm/mmhais/refacladapt/src/audiocodec/resourcedata.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,105 @@
     1.4 +/*
     1.5 +* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).
     1.6 +* All rights reserved.
     1.7 +* This component and the accompanying materials are made available
     1.8 +* under the terms of "Eclipse Public License v1.0"
     1.9 +* which accompanies this distribution, and is available
    1.10 +* at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.11 +*
    1.12 +* Initial Contributors:
    1.13 +* Nokia Corporation - initial contribution.
    1.14 +*
    1.15 +* Contributors:
    1.16 +*
    1.17 +* Description:
    1.18 +*
    1.19 +*/
    1.20 +
    1.21 +
    1.22 +#ifndef RESOURCEDATA_H
    1.23 +#define RESOURCEDATA_H
    1.24 +
    1.25 +// INCLUDES
    1.26 +#include <e32base.h>
    1.27 +#include <barsread.h>
    1.28 +#include <mmf/server/mmfhwdevice.h>
    1.29 +#include "audiocodec.h"
    1.30 +
    1.31 +_LIT16(KDrive,"z:");
    1.32 +_LIT16(KFileNameFormat,"HwDev0x%x.rsc");
    1.33 +const TInt8 KResFileNameLength = 20;
    1.34 +const TInt8 KResFileNameAndPathLength = 50;
    1.35 +// CLASS DECLARATION
    1.36 +
    1.37 +/////
    1.38 +// Class is used to read capabilities and initilaization data from codec
    1.39 +// resource data files.
    1.40 +///
    1.41 +NONSHARABLE_CLASS (CResourceData) : public CBase
    1.42 +	{
    1.43 +public: // Constructors and destructor
    1.44 +
    1.45 +	/////
    1.46 +	 // Two-phased constructor.
    1.47 +	 //
    1.48 +	 // @param aResourceUid       UID of the resource whose data to read.
    1.49 +	 // @return CResourceData*  Pointer to a newly constructed object.
    1.50 +	 ///
    1.51 +	static CResourceData* NewL(TUid aResourceUid);
    1.52 +
    1.53 +	/////
    1.54 +	 // Destructor.
    1.55 +     ///
    1.56 +	~CResourceData();
    1.57 +
    1.58 +public:
    1.59 +
    1.60 +	/////
    1.61 +	 // Reads the capabilities data.
    1.62 +	 //
    1.63 +	 // @param aMode      Mode of the resource.
    1.64 +	 // @param aConf      On return from a succesful call, contains the capabilities data.
    1.65 + 	 // @return           error code
    1.66 +	 ///
    1.67 +	TInt GetSSampleRates(TMode aMode, RArray<TInt>& aSampleRate);
    1.68 +	TInt GetSModes(TMode aMode, RArray<TUid>& aModeConfig);
    1.69 +
    1.70 +private:
    1.71 +
    1.72 +	
    1.73 +	//Constructor.
    1.74 +	
    1.75 +	CResourceData();
    1.76 +
    1.77 +	
    1.78 +	//2nd phase constructor is private.
    1.79 +	//The param is the UID of the resource whose data to read.
    1.80 +	
    1.81 +	void ConstructL(TUid aResourceUid);
    1.82 +
    1.83 +	
    1.84 +	//Utility method for seeking resource to the correct mode. Leaves with
    1.85 +	//KErrNotFound if mode is not found in the opened resource.
    1.86 +	
    1.87 +	//aMode is the codec mode.
    1.88 +	
    1.89 +	TInt SeekToMode(TMode aMode);
    1.90 +
    1.91 +private: // Data
    1.92 +
    1.93 +	// Resource UID.
    1.94 +	TUid iResourceUid;
    1.95 +
    1.96 +	// Resource file data.
    1.97 +	HBufC8* iResourceData;
    1.98 +
    1.99 +	// Resource file reader.
   1.100 +	TResourceReader iResourceReader;
   1.101 +
   1.102 +	// Resource data end pointer (for safety checks).
   1.103 +	const TUint8* iResourceDataEnd;
   1.104 +	};
   1.105 +
   1.106 +#endif // RESOURCEDATA_H
   1.107 +
   1.108 +// End of File