1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/mm/mmlibs/mmfw/tsrc/mmfintegrationtest/ACLNT/WavDecodeUtility.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,70 @@
     1.4 +// Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +//
    1.18 +
    1.19 +class CWavDecodeUtility: public CBase
    1.20 +	{
    1.21 +public:
    1.22 +	static CWavDecodeUtility* NewL(TDesC8& aBuffer);
    1.23 +	~CWavDecodeUtility();
    1.24 +
    1.25 +	inline TUint GetChannels(void) const  {return iChannels;};
    1.26 +	inline TUint GetSampleRate(void) const {return iSampleRate;};
    1.27 +	inline TUint GetBitsPerSample(void) const {return iBitsPerSample;};
    1.28 +	inline TUint GetDataLength(void) const {return iDataLength;};
    1.29 +
    1.30 +	inline TUint GetSamples(void) const {return iDataLength / (iChannels * iBitsPerSample / 8);};
    1.31 +	
    1.32 +
    1.33 +private:
    1.34 +	CWavDecodeUtility();
    1.35 +	void ConstructL(TDesC8& aBuffer);
    1.36 +	TUint16 Read16(const TUint8* aPtr);
    1.37 +	TUint32 Read32(const TUint8* aPtr);
    1.38 +	void FindRiffChunksL(void);
    1.39 +	void ProcessFormatHeaderL();
    1.40 +	void ReadChunk(TMdaRiffChunk* aChunk);
    1.41 +	void AssignChunkTo(TMdaRiffChunk* aAssignedChunk);
    1.42 +	
    1.43 +private:
    1.44 +//	CMMFDataBuffer* iBuffer;
    1.45 +	TDesC8* iBuffer;
    1.46 +	const TUint8* iStartPtr;
    1.47 +	TUint iLastReadPosition;
    1.48 +	TBool iHasFactChunk;
    1.49 +	TMdaRiffChunk iCurrent;
    1.50 +	TMdaRiffChunk iFormatChunk;
    1.51 +	TMdaRiffChunk iFactChunk;
    1.52 +	TMdaRiffChunk iDataChunk;
    1.53 +	TUint iRiffChunkLength;
    1.54 +	TBool iFoundChunks;
    1.55 +	TBool iDone;
    1.56 +	TUint iStartPosition;
    1.57 +
    1.58 +	TUint iCodecId;
    1.59 +	TUint iChannels;
    1.60 +	TUint iSampleRate;
    1.61 +	TUint iBlockAlign;				//needed for correct IMA
    1.62 +	TUint iBitsPerSample;
    1.63 +
    1.64 +	TUint iDataLength;
    1.65 +	TUint iAverageBytesPerSecond;	//needed for correct IMA
    1.66 +	TUint iSamplesPerBlock;
    1.67 +	
    1.68 +	TUint iPos;
    1.69 +	TUint iClipLength;
    1.70 +
    1.71 +	};
    1.72 +
    1.73 +