drawyuv.h

DRAWYUV程序是用于摄像头的数据回放,用了directshow,可以用在VC和wince都可

/*
 * DrawYUV.h
 *
 * Draw YUV420P raw
 *
 * DirectDraw YUV420P project
 *
 * Copyright (c) 2004-2005 for Cyansoft Studio.
 * All Rights Reserved.
 *
 * Contributor(s): ______________________________________.
 *
 * $Log: DrawYUV.h,v $
 * Revision 1.1  2005/01/17 13:43:00  jin.bai
 * Initial revision
 *
 *
 */
#ifndef _DRAW_YUV_INC_
#define _DRAW_YUV_INC_

#ifdef DRAWYUV_EXPORTS
#define DRAWYUV_API __declspec(dllexport)
#else
#define DRAWYUV_API __declspec(dllimport)
#endif

//
// Export functions
//
DRAWYUV_API BOOL DrawYUVCreate(LPVOID *ppControl, LPCTSTR lpszWindowName, DWORD dwStyle, int x, int y, int nWidth, int nHeight, HWND hwndParent = NULL, BOOL fOverlay = FALSE);
DRAWYUV_API BOOL DrawYUVSetWindowPos(LPVOID pControl, HWND hWndInsertAfter, int x, int y, int cx, int cy, UINT uFlags);
DRAWYUV_API BOOL DrawYUVDraw(LPVOID pControl, LPBYTE lpBuffer, DWORD dwSize);
DRAWYUV_API BOOL DrawYUVShowWindow(LPVOID pControl, int nCmdShow);
DRAWYUV_API BOOL DrawYUVClose(LPVOID pControl);
DRAWYUV_API BOOL DrawYUVIsClose(LPVOID pControl);

//
// DrawYUV class
//
class DrawYUV
{
public:
	DrawYUV();
	~DrawYUV();
	
	BOOL Create(LPCTSTR lpszWindowName, DWORD dwStyle, int x, int y, int nWidth, int nHeight, HWND hwndParent = NULL, BOOL fOverlay = FALSE);
	BOOL SetWindowPos(HWND hWndInsertAfter, int x, int y, int cx, int cy, UINT uFlags);
	
	BOOL Draw(LPBYTE lpBuffer, DWORD dwSize);
	BOOL ShowWindow(int nCmdShow);
	BOOL Close();
    BOOL IsClose();	

protected:	
	BOOL AreOverlaysSupported();
	void memcpy_MMX( void *dest, const void *src, unsigned int nbytes );

private:
	DisplayWindow *m_pDisplayWindow;
	Converter *m_pConverter;

	DWORD m_dwWidth;
	DWORD m_dwHeight;
	DWORD m_dwBitCount;

	// DirectDraw
	LPDIRECTDRAW   m_lpDD;
	LPDIRECTDRAWSURFACE m_lpDDSPrimary;
    LPDIRECTDRAWCLIPPER m_lpDDClipper;  
    LPDIRECTDRAWSURFACE m_lpDDSBack; 
	LPDIRECTDRAWSURFACE m_lpDDSOverlay;

	BOOL m_bClosed;
	BOOL m_bIsOverlay;	
};

#endif // _DRAW_YUV_INC_
// End of File /////////////////////////////////////////////////////////////////