diff -r 000000000000 -r 951a5db380a0 videoeditorengine/audioeditorengine/codecs/WAV/inc/ProcWAVFrameHandler.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/videoeditorengine/audioeditorengine/codecs/WAV/inc/ProcWAVFrameHandler.h Fri Jan 29 14:08:33 2010 +0200 @@ -0,0 +1,72 @@ +/* +* Copyright (c) 2010 Ixonos Plc. +* All rights reserved. +* This component and the accompanying materials are made available +* under the terms of the "Eclipse Public License v1.0" +* which accompanies this distribution, and is available +* at the URL "http://www.eclipse.org/legal/epl-v10.html". +* +* Initial Contributors: +* Nokia Corporation - Initial contribution +* +* Contributors: +* Ixonos Plc +* +* Description: +* +*/ + + + +#ifndef __CPROCWAVFRAMEHANDLER_H__ +#define __CPROCWAVFRAMEHANDLER_H__ + +#include +#include "AudCommon.h" +#include "ProcConstants.h" +#include "ProcFrameHandler.h" + +class CProcWAVFrameHandler : public CProcFrameHandler + { + +public: + + /* + * Constructors & destructor + * + */ + static CProcWAVFrameHandler* NewL(TInt aBitsPerSample); + static CProcWAVFrameHandler* NewLC(TInt aBitsPerSample); + virtual ~CProcWAVFrameHandler(); + + + // From base class ---------------> + virtual TBool ManipulateGainL(const HBufC8* aFrameIn, HBufC8*& aFrameOut, TInt8 aGain); + + + virtual TBool GetGainL(const HBufC8* aFrame, RArray& aGains, TInt& aMaxGain) const; + virtual TBool GetNormalizingMargin(const HBufC8* aFrame, TInt8& aMargin) const; + + virtual TBool IsMixingAvailable() const; + virtual TBool MixL(const HBufC8* aFrame1, const HBufC8* aFrame2, HBufC8*& aMixedFrame); + //<--------------------------------- + + +private: + + // ConstructL + void ConstructL(); + + // c++ constructor + CProcWAVFrameHandler(TInt aBitsPerSample); + + // gets the highest gain + TInt GetHighestGain(const HBufC8* aFrame, TInt& aMaxGain) const; + + // bitdepth + TInt iBitsPerSample; + + + }; + +#endif