diff -r 000000000000 -r 951a5db380a0 videoeditorengine/vedengine/videoprocessor/inc/Yuv2rgb16.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/videoeditorengine/vedengine/videoprocessor/inc/Yuv2rgb16.h Fri Jan 29 14:08:33 2010 +0200 @@ -0,0 +1,99 @@ +/* +* 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: +* YUV to EColor64K colorspace converter concrete classes. +* +*/ + + +#ifndef __YUV2RGB16_H__ +#define __YUV2RGB16_H__ + +// INCLUDES + +#ifndef __YUVCONVERTER_H__ +#include "yuvconverter.h" +#endif + +// CLASS DEFINITIONS + +class CYuv2Rgb16 : public CYuvConverter +{ +public: // CYuvConverter methods + // Constructors & destructor + CYuv2Rgb16(); + ~CYuv2Rgb16(); + void ConstructL(TUint aWidth, TUint aHeight, TUint aMaxWidth, TUint aMaxHeight); + + void Convert(const TUint8 *aYBuf, const TUint8 *aUBuf, + const TUint8 *aVBuf, + TUint aBufWidth, TUint aBufHeight, + TUint8 *aTarget, TUint aTargetScanlineLength); + + void SetGamma(TInt /*aGamma*/) {}; + +protected: // Data + + TUint iWidth, iHeight; + +}; + + +// The fixed point constants for YUV -> RGB conversion +const TInt KYMult = 296; +const TInt KCrToR = 408; +const TInt KCbToG = 96; +const TInt KCrToG = 204; +const TInt KCbToB = 520; + +// ----------------------------------------------------------------------------- +// UvToRDiff +// Calculate the red color difference from Cr by using fixed point values. +// ----------------------------------------------------------------------------- +// +inline TInt UvToRDiff( + TInt aCr, + TInt /*aCb*/) + { + return (KCrToR * aCr) / 256; + } + +// ----------------------------------------------------------------------------- +// UvToGDiff +// Calculate the green color difference from Cr and Cb components +// by using fixed point values. +// ----------------------------------------------------------------------------- +// +inline TInt UvToGDiff( + TInt aCr, + TInt aCb) + { + return (KCbToG * aCb + KCrToG * aCr) / 256; + } + +// ----------------------------------------------------------------------------- +// UvToBDiff +// Calculate the blue color difference from Cb by using fixed point values. +// ----------------------------------------------------------------------------- +// +inline TInt UvToBDiff( + TInt /*aCr*/, + TInt aCb) + { + return (KCbToB * aCb) / 256; + } + + +#endif