mpeg4decodercontainerview.h

symbian上的yuv视频文件处理程序 可对yuv的每一帧数据进行读取 处理 显示

/*
========================================================================
 Name        : Mpeg4DecoderContainerView.h
 Author      : Jin
 Copyright   : Copyright (C) 2005-2008 Cyansoft Studio, All rights Reserved.
 Description : 
========================================================================
*/
#ifndef MPEG4DECODERCONTAINERVIEW_H
#define MPEG4DECODERCONTAINERVIEW_H

// [[[ begin generated region: do not modify [Generated Includes]
#include <aknview.h>
// ]]] end generated region [Generated Includes]


// [[[ begin [Event Handler Includes]
// ]]] end [Event Handler Includes]

// [[[ begin generated region: do not modify [Generated Constants]
// ]]] end generated region [Generated Constants]

// [[[ begin generated region: do not modify [Generated Forward Declarations]
class CMpeg4DecoderContainer;
// ]]] end generated region [Generated Forward Declarations]
class CDirectDraw;
class CDecoderEngine;
class CMPEG4Decoder;
class CYuv2Rgb;
class CScale;

/**
 * Avkon view class for Mpeg4DecoderContainerView. It is register with the view server
 * by the AppUi. It owns the container control.
 * @class	CMpeg4DecoderContainerView Mpeg4DecoderContainerView.h
 */						
			
class CMpeg4DecoderContainerView : public CAknView
	{
	
	
	// [[[ begin [Public Section]
public:
	// constructors and destructor
	CMpeg4DecoderContainerView();
	static CMpeg4DecoderContainerView* NewL();
	static CMpeg4DecoderContainerView* NewLC();        
	void ConstructL();
	virtual ~CMpeg4DecoderContainerView();
						
	// from base class CAknView
	TUid Id() const;
	void HandleCommandL( TInt aCommand );
	
	// [[[ begin generated region: do not modify [Generated Methods]
	CMpeg4DecoderContainer* CreateContainerL();
	// ]]] end generated region [Generated Methods]
	
	// ]]] end [Public Section]
	
	
	// [[[ begin [Protected Section]
protected:
	// from base class CAknView
	void DoActivateL(
		const TVwsViewId& aPrevViewId,
		TUid aCustomMessageId,
		const TDesC8& aCustomMessage );
	void DoDeactivate();
	void HandleStatusPaneSizeChange();
	
	// [[[ begin generated region: do not modify [Overridden Methods]
	// ]]] end generated region [Overridden Methods]
	
	
	// [[[ begin [User Handlers]
	TBool HandleAboutMenuItemSelectedL( TInt aCommand );
	TBool HandleOpenMenuItemSelectedL( TInt aCommand );
	// ]]] end [User Handlers]
	
	// ]]] end [Protected Section]
	
	
	// [[[ begin [Private Section]
private:
	void SetupStatusPaneL();
	void CleanupStatusPane();
	
	// [[[ begin generated region: do not modify [Generated Instance Variables]
	CMpeg4DecoderContainer* iMpeg4DecoderContainer;
	// ]]] end generated region [Generated Instance Variables]
	
	// [[[ begin generated region: do not modify [Generated Methods]
	// ]]] end generated region [Generated Methods]
	
	// ]]] end [Private Section]
private:
	CDirectDraw* iDDraw;
	CDecoderEngine* iEngine;
	
	TUint32 iWidth, iHeight;
	TInt32 iInputSize, iBytesPixel, iYuvSize;
	TDisplayMode iDisplayMode;
	TPoint iPtVideo;
	TRect iRcVideo;
	
	TFileName iFileToOpen;
	
	CMPEG4Decoder* iDecoder;
	CYuv2Rgb* iYuv2Rgb;
	CScale* iScale;
	HBufC8* iYuvbuf;
	HBufC8* iRgbbuf;
	HBufC8* iInputbuf;
	};

#endif // MPEG4DECODERCONTAINERVIEW_H