author | hgs |
Mon, 27 Sep 2010 15:13:20 +0530 | |
changeset 69 | 45459746d5e8 |
parent 23 | 74c9f037fd5d |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: Utility for creating bitmaps from video files |
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* |
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*/ |
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|
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|
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|
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/** |
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* @internal reviewed 31/07/2007 by Simon Brooks |
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*/ |
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#include "glxtnimageutility.h" |
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|
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#include <MIHLScaler.h> // MIHLScaler |
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#include <fbs.h> |
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#include <glxtracer.h> |
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#include <glxpanic.h> |
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#include <glxthumbnail.h> |
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#include <imageconversion.h> |
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|
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#include "glxtnimagedecoderfactory.h" |
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|
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// ----------------------------------------------------------------------------- |
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// Constructor |
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// ----------------------------------------------------------------------------- |
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// |
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CGlxtnImageUtility::CGlxtnImageUtility(RFs& aFs) : iFs(aFs) |
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{ |
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TRACER("CGlxtnImageUtility::CGlxtnImageUtility()"); |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// Destructor |
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// ----------------------------------------------------------------------------- |
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// |
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CGlxtnImageUtility::~CGlxtnImageUtility() |
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{ |
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TRACER("CGlxtnImageUtility::~CGlxtnImageUtility()"); |
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delete iDecoder; |
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delete iScaler; |
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delete iBitGc; |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// Cancel |
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// ----------------------------------------------------------------------------- |
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// |
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void CGlxtnImageUtility::Cancel() |
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{ |
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TRACER("void CGlxtnImageUtility::Cancel()"); |
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if ( iDecoder ) |
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{ |
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iDecoder->Cancel(); |
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} |
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if ( iScaler && iScaler->IsBusy()) |
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{ |
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iScaler->CancelProcess(); |
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} |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// AdjustSize |
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// ----------------------------------------------------------------------------- |
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// |
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void CGlxtnImageUtility::AdjustSize(TSize& aTargetSize, const TSize& aSourceSize) |
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{ |
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TRACER("void CGlxtnImageUtility::AdjustSize()"); |
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if ( aTargetSize.iHeight * aSourceSize.iWidth |
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< aTargetSize.iWidth * aSourceSize.iHeight ) |
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{ |
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// Source has taller aspect than target so reduce target width |
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aTargetSize.iWidth = ( ( aTargetSize.iHeight * aSourceSize.iWidth ) |
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/ ( aSourceSize.iHeight ) ); |
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} |
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else |
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{ |
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// Source has wider aspect than target so reduce target height |
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aTargetSize.iHeight = (aTargetSize.iWidth * aSourceSize.iHeight) |
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/ aSourceSize.iWidth; |
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} |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// DecodeImageL |
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// ----------------------------------------------------------------------------- |
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// |
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CFbsBitmap* CGlxtnImageUtility::DecodeImageL(TRequestStatus& aStatus, |
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const TDesC& aFileName, RArray<TSize>& aTargetSizes, TDisplayMode aMode) |
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{ |
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TRACER("CFbsBitmap* CGlxtnImageUtility::DecodeImageL()"); |
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delete iDecoder; |
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iDecoder = NULL; |
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iDecoder = GlxtnImageDecoderFactory::NewL( iFs, aFileName ); |
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106 |
|
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iOriginalSize = iDecoder->FrameInfo().iOverallSizeInPixels; |
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if ( 0 == iOriginalSize.iWidth || 0 == iOriginalSize.iHeight ) |
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109 |
{ |
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User::Leave(KErrCorrupt); |
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} |
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112 |
|
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TInt count = aTargetSizes.Count(); |
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TSize testSize; |
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TSize targetSize; |
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for ( TInt i = 0 ; i < count ; i++ ) |
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117 |
{ |
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testSize = aTargetSizes[i]; |
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AdjustSize(testSize, iOriginalSize); |
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if( ( testSize.iWidth > targetSize.iWidth ) || ( testSize.iHeight > targetSize.iHeight ) ) |
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121 |
{ |
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targetSize = testSize; |
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} |
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} |
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125 |
|
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// Find max scaling factor which won't make image smaller than target size |
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TInt shift = 3; |
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while ( shift |
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&& ((iOriginalSize.iWidth >> shift) < targetSize.iWidth |
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|| (iOriginalSize.iHeight >> shift) < targetSize.iHeight ) ) |
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131 |
{ |
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shift--; |
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} |
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TInt roundUp = (1 << shift) - 1; |
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TSize loadSize((iOriginalSize.iWidth + roundUp) >> shift, |
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(iOriginalSize.iHeight + roundUp) >> shift); |
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137 |
|
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CFbsBitmap* image = new (ELeave) CFbsBitmap; |
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CleanupStack::PushL(image); |
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User::LeaveIfError(image->Create(loadSize, aMode)); |
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141 |
|
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iDecoder->Convert(&aStatus, *image); |
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143 |
|
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CleanupStack::Pop(image); |
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return image; |
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146 |
} |
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147 |
|
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// ----------------------------------------------------------------------------- |
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// FreeDecoder |
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// ----------------------------------------------------------------------------- |
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// |
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void CGlxtnImageUtility::FreeDecoder() |
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153 |
{ |
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TRACER("void CGlxtnImageUtility::FreeDecoder()"); |
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delete iDecoder; |
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iDecoder = NULL; |
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} |
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158 |
|
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// ----------------------------------------------------------------------------- |
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// OriginalSize |
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// ----------------------------------------------------------------------------- |
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// |
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const TSize& CGlxtnImageUtility::OriginalSize() const |
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164 |
{ |
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TRACER("TSize& CGlxtnImageUtility::OriginalSize()"); |
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return iOriginalSize; |
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} |
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168 |
|
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//--------------------------------------------------------------------------- |
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170 |
/** |
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171 |
K-Nearest neighbour scaling for EColor64K. |
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Code originally inherited from t_display.cpp by Toni Hemminki. |
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Added windowing and further optimized by Jarmo Nikula 2006-2007. |
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174 |
|
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@param aSrc Source buffer pointer |
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@param aSrcStride Source buffer stride in bytes |
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@param aSrcCols Source columns |
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@param aSrcRows Source rows |
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@param aX Source window top-left X-coordinate |
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@param aY Source window top-left Y-coordinate |
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@param aW Source window width |
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@param aH Source window height |
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@param aDst Destination buffer pointer |
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@param aDstStride Destination buffer stride in bytes |
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@param aDstCols Destination columns, must be even |
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@param aDstRows Destination rows |
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*/ |
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// OPTION's for MMP file: |
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// Interleave assembly code with C, output can be found on txt-files on some BUILD directory: |
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// OPTION ARMCC --asm --interleave |
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// Modify optimization for ARM insturcion set and for maximum speed |
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// OPTION_REPLACE ARMCC --arm -Otime |
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/* aSource->LockHeap(); |
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TUint16* sourceAddress = (TUint16*)aSource->DataAddress(); |
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aSource->UnlockHeap(); |
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aTarget->LockHeap(); |
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TUint16* targetAddress = (TUint16*)aTarget->DataAddress(); |
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aTarget->UnlockHeap(); |
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ScaleColor64K(sourceAddress, aSource->DataStride(), |
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sourceSize.iWidth, sourceSize.iHeight, 0, 0, sourceSize.iWidth, sourceSize.iHeight, |
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targetAddress, aTarget->DataStride(), |
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targetSize.iWidth, targetSize.iHeight); |
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203 |
*/ |
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204 |
|
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205 |
void CGlxtnImageUtility::FilterImageL(TRequestStatus* aStatus, CFbsBitmap* aSource, CFbsBitmap*& aFilteredSource, CFbsBitmap* aTarget) |
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206 |
{ |
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207 |
TRACER("void CGlxtnImageUtility::FilterImageL()"); |
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TSize sourceSize(aSource->SizeInPixels()); |
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TSize targetSize(aTarget->SizeInPixels()); |
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TInt scalePercent = ((100*sourceSize.iWidth)/targetSize.iWidth) - 100; |
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211 |
|
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// no need to filter if close enough or smaller |
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if ( scalePercent >= 2 && ( aTarget->DisplayMode() == EColor64K ) ) |
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{ |
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FilterL(aSource, aFilteredSource, scalePercent); |
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} |
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|
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*aStatus = KRequestPending; |
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User::RequestComplete(aStatus, KErrNone); |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// ScaleImageL |
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// ----------------------------------------------------------------------------- |
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// |
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void CGlxtnImageUtility::ScaleImageL(TRequestStatus& aStatus, CFbsBitmap& aSrcBitmap, |
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const TRect& aSrcRect, CFbsBitmap& aDstBitmap, |
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const TRect& aDstRect) |
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{ |
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TRACER("void CGlxtnImageUtility::ScaleImageL(IHL)"); |
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if (!iScaler) |
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{ |
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TInt option = MIHLScaler::EOptionUseBilinearInterpolation; |
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|
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iScaler = IHLScaler::CreateL(option); |
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} |
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User::LeaveIfError(iScaler->Scale(aStatus, aSrcBitmap, aSrcRect, aDstBitmap, aDstRect)); |
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} |
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239 |
|
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void CGlxtnImageUtility::ScaleImage64kL(TRequestStatus* aStatus, CFbsBitmap* aSource, CFbsBitmap* aFilteredSource, CFbsBitmap* aTarget) |
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{ |
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TRACER("void CGlxtnImageUtility::ScaleImage64kL()"); |
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TSize sourceSize(aSource->SizeInPixels()); |
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TSize targetSize(aTarget->SizeInPixels()); |
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TInt scalePercent = ((100*sourceSize.iWidth)/targetSize.iWidth) - 100; |
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TRect targetRect(targetSize); |
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TRect sourceRect(sourceSize); |
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248 |
|
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CFbsBitmap* sourceImage = aFilteredSource; |
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if ( !aFilteredSource ) |
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{ |
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sourceImage = aSource; |
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} |
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if ( scalePercent < 2 ) |
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{ |
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if ( scalePercent > 0 ) |
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{ |
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sourceRect = targetRect; |
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} |
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sourceImage = aSource; |
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} |
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sourceImage->LockHeap(); |
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TUint16* sourceAddress = (TUint16*)sourceImage->DataAddress(); |
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sourceImage->UnlockHeap(); |
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aTarget->LockHeap(); |
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TUint16* targetAddress = (TUint16*)aTarget->DataAddress(); |
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aTarget->UnlockHeap(); |
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ScaleColor64K(sourceAddress, sourceImage->DataStride(), |
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sourceImage->SizeInPixels().iWidth, sourceImage->SizeInPixels().iHeight, 0, 0, sourceImage->SizeInPixels().iWidth, sourceImage->SizeInPixels().iHeight, |
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targetAddress, aTarget->DataStride(), |
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targetSize.iWidth, targetSize.iHeight); |
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|
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/* if ( !iBitGc ) |
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{ |
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iBitGc = CFbsBitGc::NewL(); |
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} |
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CFbsBitmapDevice *bitmapDevice = CFbsBitmapDevice::NewL(aTarget); |
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CleanupStack::PushL(bitmapDevice); |
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iBitGc->Activate(bitmapDevice); |
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iBitGc->DrawBitmap(targetRect, sourceImage, sourceRect); |
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CleanupStack::PopAndDestroy(bitmapDevice); |
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*/ |
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*aStatus = KRequestPending; |
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User::RequestComplete(aStatus, KErrNone); |
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} |
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|
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void CGlxtnImageUtility::ScaleColor64K( TUint16* aSrc, TInt aSrcStride, TInt /*aSrcCols*/, TInt /*aSrcRows*/, |
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TInt aX, TInt aY, TInt aW, TInt aH, |
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TUint16* aDst, TInt aDstStride, TInt aDstCols, TInt aDstRows ) |
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{ |
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TRACER("void CGlxtnImageUtility::ScaleColor64K()"); |
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const TUint KPrecision = 16; |
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TUint hInc = ( aW<< KPrecision ) / aDstCols; |
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TUint vInc = ( aH << KPrecision ) / aDstRows; |
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TUint v = 0; |
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for ( TUint row = aDstRows; row > 0; --row ) |
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{ |
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TInt h = hInc * (aDstCols - 1); |
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TUint linestart = aSrcStride * ( aY + ( v >> KPrecision ) ) / sizeof(TUint16) + aX; |
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TUint16* src = &aSrc[ linestart ]; |
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TUint32* dst = (TUint32*)aDst + aDstCols / 2; |
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TUint32 pxl2x; |
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// This loop generates 11 assembly instructions per round |
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// when using "--arm --Otime" options. Since two pixels are handled per round, |
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// it means 5.5 instructions per pixel on average. |
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do { |
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307 |
pxl2x = src[ h >> KPrecision ]<<16; |
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|
308 |
h -= hInc; |
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|
309 |
pxl2x |= src[ h >> KPrecision ]; |
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|
310 |
*--dst = pxl2x; |
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diff
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|
311 |
// Compiler eliminates CMP instruction when substraction |
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|
312 |
// is done inside the while () statement. |
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|
313 |
} while ( ( h -= hInc ) >= 0 ); |
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|
314 |
v += vInc; |
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|
315 |
aDst += aDstStride / sizeof(TUint16); |
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|
316 |
} |
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|
317 |
} |
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|
318 |
|
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|
319 |
void CGlxtnImageUtility::FilterL( CFbsBitmap* aSource, CFbsBitmap*& aFilteredSource, TInt aFilterPercent ) |
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|
320 |
{ |
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|
321 |
TRACER("void CGlxtnImageUtility::FilterL()"); |
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|
322 |
if ( !aFilteredSource ) |
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|
323 |
{ |
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|
324 |
TSize imageSize = aSource->SizeInPixels(); |
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|
325 |
aFilteredSource = new (ELeave) CFbsBitmap; |
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Revision: 201007
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|
326 |
aFilteredSource->Create(imageSize, aSource->DisplayMode()); |
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|
327 |
|
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|
328 |
CFbsBitmapDevice *bitmapDevice = CFbsBitmapDevice::NewL(aFilteredSource); |
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|
329 |
if ( !iBitGc ) |
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|
330 |
{ |
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|
331 |
iBitGc = CFbsBitGc::NewL(); |
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parents:
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|
332 |
} |
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|
333 |
iBitGc->Activate(bitmapDevice); |
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Revision: 201007
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parents:
diff
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|
334 |
iBitGc->BitBlt(TPoint(), aSource, imageSize); |
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Revision: 201007
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parents:
diff
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|
335 |
delete bitmapDevice; |
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Revision: 201007
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diff
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|
336 |
} |
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|
337 |
|
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parents:
diff
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|
338 |
TSize imageSize = aFilteredSource->SizeInPixels(); |
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Revision: 201007
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parents:
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|
339 |
aFilteredSource->LockHeap(); |
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Revision: 201007
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|
340 |
TUint16* sourceAddress = (TUint16*)aFilteredSource->DataAddress(); |
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Revision: 201007
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parents:
diff
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|
341 |
aFilteredSource->UnlockHeap(); |
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Revision: 201007
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parents:
diff
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|
342 |
const TInt KGlxScalingNeeds4Filtering = 80; // if scaling more than 1.8 need to filter by 4 |
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|
343 |
const TInt KGlxScalingNeeds8Filtering = 260; // if scaling more than 3.6 need to filter by 8 |
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parents:
diff
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|
344 |
if ( KGlxScalingNeeds8Filtering < aFilterPercent ) |
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|
345 |
{ |
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Revision: 201007
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parents:
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|
346 |
FIRFiltering8( |
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Revision: 201007
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parents:
diff
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|
347 |
sourceAddress, aFilteredSource->DataStride() / sizeof(TUint16), |
74c9f037fd5d
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parents:
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|
348 |
imageSize.iWidth, imageSize.iHeight ); |
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|
349 |
} |
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Revision: 201007
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parents:
diff
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|
350 |
else if ( KGlxScalingNeeds4Filtering < aFilterPercent ) |
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Revision: 201007
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parents:
diff
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|
351 |
{ |
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Revision: 201007
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parents:
diff
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|
352 |
FIRFiltering4( |
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Revision: 201007
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parents:
diff
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|
353 |
sourceAddress, aFilteredSource->DataStride() / sizeof(TUint16), |
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Revision: 201007
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parents:
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|
354 |
imageSize.iWidth, imageSize.iHeight ); |
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parents:
diff
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|
355 |
} |
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Revision: 201007
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diff
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|
356 |
else |
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|
357 |
{ |
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diff
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|
358 |
FIRFiltering( |
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Revision: 201007
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parents:
diff
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|
359 |
sourceAddress, aFilteredSource->DataStride() / sizeof(TUint16), |
74c9f037fd5d
Revision: 201007
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parents:
diff
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|
360 |
imageSize.iWidth, imageSize.iHeight ); |
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parents:
diff
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|
361 |
} |
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Revision: 201007
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parents:
diff
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|
362 |
} |
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Revision: 201007
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parents:
diff
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|
363 |
|
74c9f037fd5d
Revision: 201007
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parents:
diff
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|
364 |
#define rmask565 0xf800 |
74c9f037fd5d
Revision: 201007
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parents:
diff
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|
365 |
#define gmask565 0x07e0 |
74c9f037fd5d
Revision: 201007
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parents:
diff
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|
366 |
#define bmask565 0x001f |
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Revision: 201007
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parents:
diff
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|
367 |
#define rbmask565 (rmask565|bmask565) |
74c9f037fd5d
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parents:
diff
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|
368 |
#define rm565( rgb ) ((rgb) & rmask565) |
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Revision: 201007
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parents:
diff
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|
369 |
#define gm565( rgb ) ((rgb) & gmask565) |
74c9f037fd5d
Revision: 201007
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parents:
diff
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|
370 |
#define bm565( rgb ) ((rgb) & bmask565) |
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Revision: 201007
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parents:
diff
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|
371 |
#define rbm565( rgb ) ((rgb) & rbmask565) |
74c9f037fd5d
Revision: 201007
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parents:
diff
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|
372 |
#define r565( rgb ) ((rgb)>>11) |
74c9f037fd5d
Revision: 201007
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parents:
diff
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|
373 |
#define g565( rgb ) (gm565(rgb)>>5) |
74c9f037fd5d
Revision: 201007
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parents:
diff
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|
374 |
#define b565( rgb ) (bm565(rgb)) |
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Revision: 201007
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parents:
diff
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|
375 |
#define rgb565( r, g, b ) (((r)<<11)|((g)<<5)|(b)) |
74c9f037fd5d
Revision: 201007
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|
376 |
|
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Revision: 201007
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parents:
diff
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|
377 |
#define mask32gbr655 0x07e0f81f |
74c9f037fd5d
Revision: 201007
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parents:
diff
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|
378 |
|
74c9f037fd5d
Revision: 201007
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parents:
diff
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|
379 |
// Keep below three defs in sync with each other! |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
380 |
#define KFIRLen 2 |
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Revision: 201007
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parents:
diff
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|
381 |
#define KFIRCen (KFIRLen / 2) |
74c9f037fd5d
Revision: 201007
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parents:
diff
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|
382 |
#define incFIRIndex( i ) i = (i + 1) & (KFIRLen - 1) |
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Revision: 201007
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parents:
diff
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|
383 |
// Keep above three defs in sync with each other! |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
384 |
|
74c9f037fd5d
Revision: 201007
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parents:
diff
changeset
|
385 |
void CGlxtnImageUtility::FIRFiltering( |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
386 |
TUint16* aDst, TUint aDstStridep, TUint aDstCols, TUint aDstRows ) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
387 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
388 |
TRACER("void CGlxtnImageUtility::FIRFiltering( )"); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
389 |
TUint firFifo[ KFIRLen ]; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
390 |
TUint i; // index for fifo in&out |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
391 |
TUint16 *p; |
74c9f037fd5d
Revision: 201007
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parents:
diff
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|
392 |
TUint32 px; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
393 |
TInt row, col; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
394 |
TUint FIRsum; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
395 |
// Horizontal scan. |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
396 |
p = aDst; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
397 |
for ( row = aDstRows - 1; row >= 0; row-- ) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
398 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
399 |
// read for cache |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
400 |
//for ( col = aDstCols - 1; col >= 0; col-- ) TInt temp = p[ col ]; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
401 |
// Fill in the FIR first. |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
402 |
// TODO: Fill in with extrapolated values at edges! |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
403 |
FIRsum = ((KFIRLen / 2)<<21) | ((KFIRLen / 2)<<11) | (KFIRLen / 2); // for correct rounding |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
404 |
i = 0; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
405 |
TUint32 mask1 = mask32gbr655; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
406 |
for ( col = 0; col < KFIRLen; col++ ) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
407 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
408 |
px = p[ col ]; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
409 |
px = ((px<<16) | px) & mask1; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
410 |
firFifo[ i ] = px; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
411 |
FIRsum += px; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
412 |
incFIRIndex( i ); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
413 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
414 |
TUint32 ave; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
415 |
for ( ; col < aDstCols; col++ ) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
416 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
417 |
ave = ( FIRsum / KFIRLen ) & mask1; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
418 |
p[ col - KFIRCen ] = TUint16( ave | (ave>>16) ); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
419 |
FIRsum -= firFifo[ i ]; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
420 |
px = p[ col ]; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
421 |
px = ((px<<16) | px) & mask1; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
422 |
firFifo[ i ] = px; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
423 |
FIRsum += px; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
424 |
incFIRIndex( i ); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
425 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
426 |
p += aDstStridep; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
427 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
428 |
// Vertical scan. |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
429 |
for ( col = aDstCols - 1; col >= 0; col-- ) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
430 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
431 |
// Fill in the FIR first. |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
432 |
FIRsum = ((KFIRLen / 2)<<21) | ((KFIRLen / 2)<<11) | (KFIRLen / 2); // for correct rounding |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
433 |
TUint32 mask1 = mask32gbr655; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
434 |
i = 0; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
435 |
p = aDst + col; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
436 |
for ( row = 0; row < KFIRLen; row++ ) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
437 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
438 |
px = *p; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
439 |
px = ((px<<16) | px) & mask1; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
440 |
firFifo[ i ] = px; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
441 |
FIRsum += px; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
442 |
incFIRIndex( i ); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
443 |
p += aDstStridep; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
444 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
445 |
TUint32 ave; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
446 |
p -= aDstStridep * KFIRCen; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
447 |
for ( ; row < aDstRows; row++ ) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
448 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
449 |
ave = ( FIRsum / KFIRLen ) & mask1; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
450 |
p[0] = TUint16( ave | (ave>>16) ); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
451 |
FIRsum -= firFifo[ i ]; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
452 |
px = p[ aDstStridep * KFIRCen ]; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
453 |
px = ((px<<16) | px) & mask1; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
454 |
firFifo[ i ] = px; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
455 |
FIRsum += px; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
456 |
incFIRIndex( i ); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
457 |
p += aDstStridep; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
458 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
459 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
460 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
461 |
// |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
462 |
// Keep below three defs in sync with each other! |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
463 |
#define KFIRLen4 4 |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
464 |
#define KFIRCen4 (KFIRLen4 / 2) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
465 |
#define incFIRIndex4( i ) i = (i + 1) & (KFIRLen4 - 1) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
466 |
// Keep above three defs in sync with each other! |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
467 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
468 |
void CGlxtnImageUtility::FIRFiltering4( |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
469 |
TUint16* aDst, TUint aDstStridep, TUint aDstCols, TUint aDstRows ) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
470 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
471 |
TRACER("void CGlxtnImageUtility::FIRFiltering4()"); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
472 |
TUint firFifo[ KFIRLen4 ]; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
473 |
TUint i; // index for fifo in&out |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
474 |
TUint16 *p; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
475 |
TUint32 px; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
476 |
TInt row, col; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
477 |
TUint FIRsum; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
478 |
// Horizontal scan. |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
479 |
p = aDst; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
480 |
for ( row = aDstRows - 1; row >= 0; row-- ) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
481 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
482 |
// read for cache |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
483 |
//for ( col = aDstCols - 1; col >= 0; col-- ) TInt temp = p[ col ]; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
484 |
// Fill in the FIR first. |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
485 |
// TODO: Fill in with extrapolated values at edges! |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
486 |
FIRsum = ((KFIRLen4 / 2)<<21) | ((KFIRLen4 / 2)<<11) | (KFIRLen4 / 2); // for correct rounding |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
487 |
i = 0; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
488 |
TUint32 mask1 = mask32gbr655; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
489 |
for ( col = 0; col < KFIRLen4; col++ ) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
490 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
491 |
px = p[ col ]; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
492 |
px = ((px<<16) | px) & mask1; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
493 |
firFifo[ i ] = px; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
494 |
FIRsum += px; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
495 |
incFIRIndex4( i ); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
496 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
497 |
TUint32 ave; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
498 |
for ( ; col < aDstCols; col++ ) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
499 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
500 |
ave = ( FIRsum / KFIRLen4 ) & mask1; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
501 |
p[ col - KFIRCen4 ] = TUint16( ave | (ave>>16) ); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
502 |
FIRsum -= firFifo[ i ]; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
503 |
px = p[ col ]; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
504 |
px = ((px<<16) | px) & mask1; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
505 |
firFifo[ i ] = px; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
506 |
FIRsum += px; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
507 |
incFIRIndex4( i ); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
508 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
509 |
p += aDstStridep; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
510 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
511 |
// Vertical scan. |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
512 |
for ( col = aDstCols - 1; col >= 0; col-- ) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
513 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
514 |
// Fill in the FIR first. |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
515 |
FIRsum = ((KFIRLen4 / 2)<<21) | ((KFIRLen4 / 2)<<11) | (KFIRLen4 / 2); // for correct rounding |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
516 |
TUint32 mask1 = mask32gbr655; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
517 |
i = 0; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
518 |
p = aDst + col; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
519 |
for ( row = 0; row < KFIRLen4; row++ ) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
520 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
521 |
px = *p; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
522 |
px = ((px<<16) | px) & mask1; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
523 |
firFifo[ i ] = px; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
524 |
FIRsum += px; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
525 |
incFIRIndex4( i ); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
526 |
p += aDstStridep; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
527 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
528 |
TUint32 ave; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
529 |
p -= aDstStridep * KFIRCen4; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
530 |
for ( ; row < aDstRows; row++ ) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
531 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
532 |
ave = ( FIRsum / KFIRLen4 ) & mask1; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
533 |
p[0] = TUint16( ave | (ave>>16) ); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
534 |
FIRsum -= firFifo[ i ]; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
535 |
px = p[ aDstStridep * KFIRCen4 ]; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
536 |
px = ((px<<16) | px) & mask1; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
537 |
firFifo[ i ] = px; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
538 |
FIRsum += px; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
539 |
incFIRIndex4( i ); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
540 |
p += aDstStridep; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
541 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
542 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
543 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
544 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
545 |
// Keep below three defs in sync with each other! |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
546 |
#define KFIRLen8 8 |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
547 |
#define KFIRCen8 (KFIRLen8 / 2) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
548 |
#define incFIRIndex8( i ) i = (i + 1) & (KFIRLen8 - 1) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
549 |
// Keep above three defs in sync with each other! |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
550 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
551 |
void CGlxtnImageUtility::FIRFiltering8( |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
552 |
TUint16* aDst, TUint aDstStridep, TUint aDstCols, TUint aDstRows ) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
553 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
554 |
TRACER("void CGlxtnImageUtility::FIRFiltering8()"); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
555 |
TUint firFifo[ KFIRLen8 ]; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
556 |
TUint i; // index for fifo in&out |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
557 |
TUint16 *p; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
558 |
TUint32 px; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
559 |
TInt row, col; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
560 |
TUint FIRsum; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
561 |
// Horizontal scan. |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
562 |
p = aDst; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
563 |
for ( row = aDstRows - 1; row >= 0; row-- ) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
564 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
565 |
// read for cache |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
566 |
//for ( col = aDstCols - 1; col >= 0; col-- ) TInt temp = p[ col ]; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
567 |
// Fill in the FIR first. |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
568 |
// TODO: Fill in with extrapolated values at edges! |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
569 |
FIRsum = ((KFIRLen8 / 2)<<21) | ((KFIRLen8 / 2)<<11) | (KFIRLen8 / 2); // for correct rounding |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
570 |
i = 0; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
571 |
TUint32 mask1 = mask32gbr655; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
572 |
for ( col = 0; col < KFIRLen8; col++ ) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
573 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
574 |
px = p[ col ]; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
575 |
px = ((px<<16) | px) & mask1; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
576 |
firFifo[ i ] = px; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
577 |
FIRsum += px; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
578 |
incFIRIndex8( i ); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
579 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
580 |
TUint32 ave; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
581 |
for ( ; col < aDstCols; col++ ) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
582 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
583 |
ave = ( FIRsum / KFIRLen8 ) & mask1; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
584 |
p[ col - KFIRCen8 ] = TUint16( ave | (ave>>16) ); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
585 |
FIRsum -= firFifo[ i ]; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
586 |
px = p[ col ]; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
587 |
px = ((px<<16) | px) & mask1; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
588 |
firFifo[ i ] = px; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
589 |
FIRsum += px; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
590 |
incFIRIndex8( i ); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
591 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
592 |
p += aDstStridep; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
593 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
594 |
// Vertical scan. |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
595 |
for ( col = aDstCols - 1; col >= 0; col-- ) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
596 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
597 |
// Fill in the FIR first. |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
598 |
FIRsum = ((KFIRLen8 / 2)<<21) | ((KFIRLen8 / 2)<<11) | (KFIRLen8 / 2); // for correct rounding |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
599 |
TUint32 mask1 = mask32gbr655; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
600 |
i = 0; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
601 |
p = aDst + col; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
602 |
for ( row = 0; row < KFIRLen8; row++ ) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
603 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
604 |
px = *p; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
605 |
px = ((px<<16) | px) & mask1; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
606 |
firFifo[ i ] = px; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
607 |
FIRsum += px; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
608 |
incFIRIndex8( i ); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
609 |
p += aDstStridep; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
610 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
611 |
TUint32 ave; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
612 |
p -= aDstStridep * KFIRCen8; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
613 |
for ( ; row < aDstRows; row++ ) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
614 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
615 |
ave = ( FIRsum / KFIRLen8 ) & mask1; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
616 |
p[0] = TUint16( ave | (ave>>16) ); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
617 |
FIRsum -= firFifo[ i ]; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
618 |
px = p[ aDstStridep * KFIRCen8 ]; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
619 |
px = ((px<<16) | px) & mask1; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
620 |
firFifo[ i ] = px; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
621 |
FIRsum += px; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
622 |
incFIRIndex8( i ); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
623 |
p += aDstStridep; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
624 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
625 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
626 |
} |