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/*
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* Copyright (c) 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: Juha Kauppinen, Mika Hokkanen
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*
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* Description: Photo Browser
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*
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*/
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// Include files
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#include "IEImageDecoder.h"
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// ========================== MEMBER FUNCTIONS ============================= //
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CIEImageDecoder* CIEImageDecoder::NewL(RFs& aFileServer, MDecodingObserver& aObserver)
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{
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CIEImageDecoder* self = new (ELeave) CIEImageDecoder(aFileServer, aObserver);
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CleanupStack::PushL(self);
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self->ConstructL();
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CleanupStack::Pop();
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return self;
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}
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CIEImageDecoder::~CIEImageDecoder()
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{
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if(iImageDecoder)
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{
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delete iImageDecoder;
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iImageDecoder = NULL;
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}
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if(iExtImageDecoder)
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{
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delete iExtImageDecoder;
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iExtImageDecoder = NULL;
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}
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if(iVisualFrame)
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{
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delete iVisualFrame;
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iVisualFrame = NULL;
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}
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}
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//EPriorityIdle, EPriorityLow, EPriorityStandard, EPriorityUserInput, EPriorityHigh
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CIEImageDecoder::CIEImageDecoder(RFs& aFileServer, MDecodingObserver& aObserver)
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: CActive(EPriorityStandard), iFileServer(aFileServer), iObserver(aObserver), iSrcPtr(NULL, 0, 0)
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{
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}
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void CIEImageDecoder::ConstructL()
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{
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CActiveScheduler::Add(this);
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iDecoderBusy = EFalse;
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iDecode2Yuv = EFalse;
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iDecode2Bitmap = EFalse;
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iNumOfBitmaps = 0;
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}
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void CIEImageDecoder::RunL()
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{
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/*
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TPtr8 ptr = iVisualFrame->DataPtrL();
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TInt dataSize = ptr.Size();
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TUint8* bufU = (TUint8*) ptr.Ptr();
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*/
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if(iDecode2Yuv)
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{
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iDecode2Yuv = EFalse;
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if(iExtImageDecoder)
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{
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delete iExtImageDecoder;
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iExtImageDecoder = NULL;
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}
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//iObserver.YuvImageReady(iStatus.Int());
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}
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if(iDecode2Bitmap)
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{
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iDecode2Bitmap = EFalse;
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if(iImageDecoder)
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{
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delete iImageDecoder;
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iImageDecoder = NULL;
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}
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iObserver.BitmapReady(iStatus.Int());
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}
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iDecoderBusy = EFalse;
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}
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void CIEImageDecoder::DoCancel()
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{
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}
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void CIEImageDecoder::GetImageSizeL(const TFileName aFileName, TSize& aSize)
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{
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if(iImageDecoder)
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{
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delete iImageDecoder;
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iImageDecoder = NULL;
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}
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iImageDecoder = CImageDecoder::FileNewL(iFileServer, aFileName);
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TFrameInfo frameInfo = iImageDecoder->FrameInfo();
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aSize.iWidth = frameInfo.iOverallSizeInPixels.iWidth;
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aSize.iHeight = frameInfo.iOverallSizeInPixels.iHeight;
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delete iImageDecoder;
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iImageDecoder = NULL;
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}
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void CIEImageDecoder::ConvertJpeg2YuvL(const TDesC& aSourceFile,
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HBufC8& aBuffer)
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{
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TInt fileSize = 0;
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TInt blocks = 0;
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iDecoderBusy = ETrue;
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iDecode2Yuv = ETrue;
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if(iExtImageDecoder)
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{
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delete iExtImageDecoder;
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iExtImageDecoder = NULL;
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}
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iExtImageDecoder = CExtJpegDecoder::FileNewL(iFileServer, aSourceFile);
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TFrameInfo frameInfo = iExtImageDecoder->FrameInfo();
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TInt width = frameInfo.iOverallSizeInPixels.iWidth;
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TInt height = frameInfo.iOverallSizeInPixels.iHeight;
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/*if(width%2 != 0)
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width++;
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if(height%2 != 0)
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height++;*/
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TPtr8 bufPtr = aBuffer.Des();
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iBufU = (TUint8*)bufPtr.Ptr();
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if(iVisualFrame)
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{
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delete iVisualFrame;
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iVisualFrame = NULL;
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}
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iVisualFrame = CVisualFrame::NewL(bufPtr,
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TSize(width, height),
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CVisualFrame::EFormatYUV420Planar);
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iExtImageDecoder->ConvertL(&iStatus, iVisualFrame, blocks);
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if(!IsActive())
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SetActive();
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}
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void CIEImageDecoder::ConvertJpeg2BitmapL(CFbsBitmap& aDestBitmap, TDesC8& aSourceData)
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{
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TInt frameNumber = 0;
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iDecoderBusy = ETrue;
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iDecode2Bitmap = ETrue;
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TInt dataSize = aSourceData.Size();
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iSrcPtr.Set((TUint8*)aSourceData.Ptr(), aSourceData.Size(), aSourceData.Size());
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if(iImageDecoder)
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{
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delete iImageDecoder;
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iImageDecoder = NULL;
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}
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iImageDecoder = CImageDecoder::DataNewL(iFileServer, iSrcPtr);
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iImageDecoder->Convert(&iStatus, aDestBitmap, frameNumber);
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iNumOfBitmaps++;
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if(!IsActive())
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SetActive();
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}
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TPtr8 CIEImageDecoder::GetVisualFrame()
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{
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return iVisualFrame->DataPtrL();
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}
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void CIEImageDecoder::CancelDecoding()
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{
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if(iDecoderBusy)
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{
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if(iImageDecoder)
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iImageDecoder->Cancel();
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if(iExtImageDecoder)
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iExtImageDecoder->Cancel();
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}
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if(IsActive())
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Cancel();
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}
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// EOF
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