author | Mikael Laine <mikael.laine@ixonos.com> |
Fri, 29 Jan 2010 14:08:33 +0200 | |
changeset 0 | 951a5db380a0 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2010 Ixonos Plc. |
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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 the "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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* Ixonos Plc |
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* |
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* Description: |
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* |
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*/ |
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#ifndef __VEIIMAGECLIPGENERATOR_H__ |
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#define __VEIIMAGECLIPGENERATOR_H__ |
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#include <e32base.h> |
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#include <VedVideoClipGenerator.h> |
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/* |
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* UID of this generator. The Uids are only used to identify generators |
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* in UI, the Engine does not use Uids for any purpose. |
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*/ |
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#define KUidImageClipGenerator TUid::Uid(0x00000001) |
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// Forward declarations |
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class CVeiImageClipFrameOperation; |
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class CVeiImageClipDecodeOperation; |
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class CFbsBitmap; |
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class CImageDecoder; |
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class CVeiImageClipGenerator; |
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class CBitmapScaler; |
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/** |
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* Image clip generator observer. |
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*/ |
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class MVeiImageClipGeneratorObserver |
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{ |
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public: |
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/** |
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* Callback method to notify that the image clip generator initialization |
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* is complete. |
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* |
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* @param aGenerator generator that caused the event |
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* @param aError error code |
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*/ |
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virtual void NotifyImageClipGeneratorInitializationComplete( |
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CVeiImageClipGenerator& aGenerator, TInt aError) = 0; |
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}; |
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/** |
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* Image clip generator. |
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*/ |
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class CVeiImageClipGenerator : public CVedVideoClipGenerator |
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{ |
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public: |
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|
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/* Constructors / destructors. */ |
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|
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/** |
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* Factory method. Creates a new image clip generator. |
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* |
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* @param aFilename filename for the image |
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* @param aMaxResolution maximum resolution that will be used |
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* @param aDuration duration of the image frame |
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* @param aBackgroundColor background color |
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* @param aMaxDisplayMode display mode in which the bitmap is stored |
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* @param aFs RFs session to use for loading the image |
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* @param aObserver observer that will be notified when the |
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* initialization is complete |
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* |
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* @return constructed image clip generator |
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*/ |
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IMPORT_C static CVeiImageClipGenerator* NewL(const TDesC& aFilename, |
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const TSize& aMaxResolution, |
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const TTimeIntervalMicroSeconds& aDuration, |
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const TRgb& aBackgroundColor, |
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TDisplayMode aMaxDisplayMode, |
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RFs& aFs, |
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MVeiImageClipGeneratorObserver& aObserver); |
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/** |
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* Factory method. Creates a new image clip generator and leaves it |
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* in the cleanup stack. |
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* |
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* @param aFilename filename for the image |
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* @param aMaxResolution maximum resolution that will be used |
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* @param aDuration duration of the image frame |
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* @param aBackgroundColor background color |
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* @param aMaxDisplayMode display mode in which the bitmap is stored |
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* @param aFs RFs session to use for loading the image |
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* @param aObserver observer that will be notified when the |
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* initialization is complete |
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* |
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* @return constructed image clip generator |
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*/ |
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IMPORT_C static CVeiImageClipGenerator* NewLC(const TDesC& aFilename, |
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const TSize& aMaxResolution, |
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const TTimeIntervalMicroSeconds& aDuration, |
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const TRgb& aBackgroundColor, |
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TDisplayMode aMaxDisplayMode, |
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RFs& aFs, |
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MVeiImageClipGeneratorObserver& aObserver); |
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|
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/** |
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* Destructor. |
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*/ |
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IMPORT_C virtual ~CVeiImageClipGenerator(); |
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/* Property methods. */ |
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IMPORT_C virtual TPtrC DescriptiveName() const; |
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IMPORT_C virtual TUid Uid() const; |
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IMPORT_C virtual TTimeIntervalMicroSeconds Duration() const; |
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/* Video frame property methods. */ |
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IMPORT_C virtual TInt VideoFrameCount() const ; |
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IMPORT_C virtual TTimeIntervalMicroSeconds VideoFrameStartTime(TInt aIndex) const; |
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IMPORT_C virtual TTimeIntervalMicroSeconds VideoFrameEndTime(TInt aIndex) const; |
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IMPORT_C virtual TTimeIntervalMicroSeconds VideoFrameDuration(TInt aIndex) const; |
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IMPORT_C virtual TBool VideoFrameIsIntra(TInt aIndex) const; |
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IMPORT_C virtual TInt VideoFirstFrameComplexityFactor() const; |
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IMPORT_C virtual TInt VideoFrameDifferenceFactor(TInt aIndex) const; |
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IMPORT_C virtual TInt GetVideoFrameIndex(TTimeIntervalMicroSeconds aTime) const; |
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/* Frame methods. */ |
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IMPORT_C virtual void GetFrameL(MVedVideoClipGeneratorFrameObserver& aObserver, |
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TInt aIndex, |
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TSize* const aResolution, |
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TDisplayMode aDisplayMode, |
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TBool aEnhance, |
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TInt aPriority); |
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IMPORT_C virtual void CancelFrame(); |
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/* New methods. */ |
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/** |
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* Sets the duration. |
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* |
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* @param aDuration duration |
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*/ |
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IMPORT_C void SetDuration(const TTimeIntervalMicroSeconds& aDuration); |
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/** |
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* Sets the background color. |
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* |
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* @param aBackgroundColor |
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*/ |
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IMPORT_C void SetBackgroundColor(const TRgb& aBackgroundColor); |
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/** |
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* Gets the background color. |
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* |
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* @return background color |
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*/ |
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IMPORT_C const TRgb& BackgroundColor() const; |
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/** |
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* Returns the image file name. |
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* |
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* @return filename |
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*/ |
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IMPORT_C TPtrC ImageFilename() const; |
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private: // constructors |
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/** |
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* First-phase constructor. |
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* |
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* @param aDuration duration |
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* @param aBackgroundColor background color |
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* @param aMaxResolution maximum resolution |
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*/ |
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CVeiImageClipGenerator(const TTimeIntervalMicroSeconds& aDuration, |
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const TRgb& aBackgroundColor, |
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const TSize& aMaxResolution); |
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/** |
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* Second-phase constructor. |
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* |
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* @param aFilename filename of the image |
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* @param aObserver observer |
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* @param aMaxDisplyMode display mode |
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* @param aFs RFs session |
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*/ |
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void ConstructL(const TDesC& aFilename, |
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MVeiImageClipGeneratorObserver& aObserver, |
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TDisplayMode aMaxDisplayMode, RFs& aFs); |
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private: |
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/** |
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* Updates the first frame complexity factor. |
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*/ |
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void UpdateFirstFrameComplexityFactorL(); |
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private: |
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// Member variables |
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/** Flag for readiness indication. */ |
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TBool iReady; |
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/** First frame complexity factor. */ |
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TInt iFirstFrameComplexityFactor; |
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/** Resolution. */ |
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TSize iMaxResolution; |
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/** Duration. */ |
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TTimeIntervalMicroSeconds iDuration; |
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/** Background color. */ |
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TRgb iBackgroundColor; |
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/** Image decode operation. */ |
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CVeiImageClipDecodeOperation* iDecodeOperation; |
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/** Frame generating operation. */ |
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CVeiImageClipFrameOperation* iFrameOperation; |
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/** Descriptive name. */ |
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HBufC* iDescriptiveName; |
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/** Image filename */ |
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HBufC* iFilename; |
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/** Bitmap. */ |
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CFbsBitmap* iBitmap; |
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/** Mask. */ |
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CFbsBitmap* iMask; |
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/** Is the generator initializing? */ |
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TBool iInitializing; |
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/** Frame count. */ |
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TInt iFrameCount; |
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friend class CVeiImageClipDecodeOperation; |
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}; |
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/** |
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* Image decode operation. Helper class for decoding the image and |
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* performing first-stage resizing. |
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*/ |
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class CVeiImageClipDecodeOperation : public CActive |
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{ |
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public: |
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/** |
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* Factory constructor. |
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* |
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* @param aGenerator generator that owns this operation |
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* @param aFilename filename for the image |
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* @param aObserver observer that will be notified when the |
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* operation completes |
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* @param aFs RFs session to use for loading the image |
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* @param aPriority priority of the active object |
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* |
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* @return constructed image clip decode operation |
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*/ |
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static CVeiImageClipDecodeOperation* NewL(CVeiImageClipGenerator& aGenerator, |
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const TDesC& aFilename, |
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MVeiImageClipGeneratorObserver& aObserver, |
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RFs& aFs, |
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TInt aPriority = CActive::EPriorityStandard); |
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/** |
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* Destructor. |
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*/ |
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virtual ~CVeiImageClipDecodeOperation(); |
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virtual void RunL(); |
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virtual void DoCancel(); |
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virtual TInt RunError(TInt aError); |
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/** |
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* Starts the operation. |
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* |
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* @param aMaxResolution maximum resolution that will be used |
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* @param aDisplayMode display mode |
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*/ |
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void StartOperationL(const TSize& aMaxResolution, TDisplayMode aDisplayMode); |
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private: // methods |
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/** |
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* First-phase constructor. |
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* |
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* @param aGenerator generator that owns this operation |
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* @param aObserver observer that will be notified when the |
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* operation completes |
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* @param aPriority priority of the active object |
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*/ |
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CVeiImageClipDecodeOperation(CVeiImageClipGenerator& aGenerator, |
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MVeiImageClipGeneratorObserver& aObserver, |
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TInt aPriority); |
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/** |
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* Second-phase constructor. |
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* |
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* @param aFilename filename for the image |
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* @param aFs RFs session to use for loading the image |
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*/ |
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void ConstructL(const TDesC& aFilename, RFs& aFs); |
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private: // members |
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|
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/** Generator that owns this operation*/ |
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CVeiImageClipGenerator& iGenerator; |
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/** Observer to be notified when the operation completes. */ |
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MVeiImageClipGeneratorObserver& iObserver; |
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/** Decoder. */ |
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CImageDecoder* iDecoder; |
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/** Bitmap. */ |
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CFbsBitmap* iBitmap; |
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/** Mask. */ |
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CFbsBitmap* iMask; |
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}; |
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/** |
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* Image frame operation. |
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*/ |
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class CVeiImageClipFrameOperation : public CActive |
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{ |
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public: |
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/** |
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* Factory constructor. |
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Committing the Video Editor package under the Eclipse Public License
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* |
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Committing the Video Editor package under the Eclipse Public License
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* @param aGenerator generator that owns this operation |
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Committing the Video Editor package under the Eclipse Public License
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* |
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* @return constructed image clip frame operation |
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Committing the Video Editor package under the Eclipse Public License
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*/ |
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static CVeiImageClipFrameOperation* NewL(CVeiImageClipGenerator& aGenerator); |
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|
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/** |
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* Destructor. |
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Committing the Video Editor package under the Eclipse Public License
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*/ |
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virtual ~CVeiImageClipFrameOperation(); |
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Committing the Video Editor package under the Eclipse Public License
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|
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/** |
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* Starts the operation. |
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Committing the Video Editor package under the Eclipse Public License
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* |
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Committing the Video Editor package under the Eclipse Public License
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* @param aObserver observer to notify when the frame is complete |
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Committing the Video Editor package under the Eclipse Public License
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* @param aIndex index of the frame to generate |
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Committing the Video Editor package under the Eclipse Public License
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* @param aEnhance <code>ETrue</code> to produce better results |
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Committing the Video Editor package under the Eclipse Public License
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* but slower, <code>EFalse</code> to be as fast |
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* as possible. |
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* @param aSourceBitmap source bitmap |
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Committing the Video Editor package under the Eclipse Public License
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* @param aDestBitmap destination bitmap |
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Committing the Video Editor package under the Eclipse Public License
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* @param aSourceMask source mask |
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Committing the Video Editor package under the Eclipse Public License
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* @param aPriority priority for the active object |
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Committing the Video Editor package under the Eclipse Public License
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* |
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Committing the Video Editor package under the Eclipse Public License
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*/ |
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Committing the Video Editor package under the Eclipse Public License
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void StartOperationL(MVedVideoClipGeneratorFrameObserver* aObserver, |
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TInt aIndex, TBool aEnhance, CFbsBitmap* aSourceBitmap, |
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Committing the Video Editor package under the Eclipse Public License
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CFbsBitmap* aDestBitmap, CFbsBitmap* aSourceMask, TInt aPriority); |
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Committing the Video Editor package under the Eclipse Public License
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|
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virtual void RunL(); |
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Committing the Video Editor package under the Eclipse Public License
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virtual void DoCancel(); |
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Committing the Video Editor package under the Eclipse Public License
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virtual TInt RunError(TInt aError); |
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Committing the Video Editor package under the Eclipse Public License
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|
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private: // methods |
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Committing the Video Editor package under the Eclipse Public License
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/** |
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Committing the Video Editor package under the Eclipse Public License
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* First-phase constructor. |
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Committing the Video Editor package under the Eclipse Public License
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* |
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Committing the Video Editor package under the Eclipse Public License
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* @param aGenerator generator that owns this operation |
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Committing the Video Editor package under the Eclipse Public License
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*/ |
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Committing the Video Editor package under the Eclipse Public License
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CVeiImageClipFrameOperation(CVeiImageClipGenerator& aGenerator); |
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Committing the Video Editor package under the Eclipse Public License
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|
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Committing the Video Editor package under the Eclipse Public License
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/** |
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Committing the Video Editor package under the Eclipse Public License
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* Second-phase constructor. |
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Committing the Video Editor package under the Eclipse Public License
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*/ |
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Committing the Video Editor package under the Eclipse Public License
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void ConstructL(); |
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Committing the Video Editor package under the Eclipse Public License
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|
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Committing the Video Editor package under the Eclipse Public License
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private: // members |
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Committing the Video Editor package under the Eclipse Public License
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/** Generator. */ |
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Committing the Video Editor package under the Eclipse Public License
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CVeiImageClipGenerator& iGenerator; |
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Committing the Video Editor package under the Eclipse Public License
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|
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Committing the Video Editor package under the Eclipse Public License
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/** Index of the frame being generated. */ |
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Committing the Video Editor package under the Eclipse Public License
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TInt iIndex; |
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Committing the Video Editor package under the Eclipse Public License
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|
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Committing the Video Editor package under the Eclipse Public License
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/** Whether to be fast or do quality work. */ |
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Committing the Video Editor package under the Eclipse Public License
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TBool iEnhance; |
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Committing the Video Editor package under the Eclipse Public License
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|
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Committing the Video Editor package under the Eclipse Public License
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/** Source bitmap. */ |
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Committing the Video Editor package under the Eclipse Public License
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CFbsBitmap* iSourceBitmap; |
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Committing the Video Editor package under the Eclipse Public License
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|
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Committing the Video Editor package under the Eclipse Public License
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/** Destination bitmap. */ |
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Committing the Video Editor package under the Eclipse Public License
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CFbsBitmap* iDestBitmap; |
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Committing the Video Editor package under the Eclipse Public License
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|
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Committing the Video Editor package under the Eclipse Public License
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/** Scaled bitmap. */ |
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Committing the Video Editor package under the Eclipse Public License
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CFbsBitmap* iScaledBitmap; |
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Committing the Video Editor package under the Eclipse Public License
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|
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Committing the Video Editor package under the Eclipse Public License
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/** Scaled mask. */ |
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Committing the Video Editor package under the Eclipse Public License
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CFbsBitmap* iScaledMask; |
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Committing the Video Editor package under the Eclipse Public License
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|
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Committing the Video Editor package under the Eclipse Public License
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/** Source mask. */ |
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Committing the Video Editor package under the Eclipse Public License
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CFbsBitmap* iSourceMask; |
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Committing the Video Editor package under the Eclipse Public License
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|
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Committing the Video Editor package under the Eclipse Public License
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/** Scaler. */ |
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Committing the Video Editor package under the Eclipse Public License
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CBitmapScaler* iScaler; |
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Committing the Video Editor package under the Eclipse Public License
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|
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Committing the Video Editor package under the Eclipse Public License
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/** Flag for no scaling. */ |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
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TBool iNoScaling; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
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|
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
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439 |
/** Observer. */ |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
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|
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MVedVideoClipGeneratorFrameObserver* iObserver; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
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441 |
}; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
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|
442 |
|
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
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|
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
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|
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
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#endif // __VEIIMAGECLIPGENERATOR_H__ |
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Committing the Video Editor package under the Eclipse Public License
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