179 lines
7.4 KiB
C
179 lines
7.4 KiB
C
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//------------------------------------------------------------------------------
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// File: VideoCtl.h
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//
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// Desc: DirectShow base classes.
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//
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// Copyright (c) 1992-2001 Microsoft Corporation. All rights reserved.
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//------------------------------------------------------------------------------
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#ifndef __VIDEOCTL__
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#define __VIDEOCTL__
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// These help with property page implementations. The first can be used to
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// load any string from a resource file. The buffer to load into is passed
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// as an input parameter. The same buffer is the return value if the string
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// was found otherwise it returns TEXT(""). The GetDialogSize is passed the
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// resource ID of a dialog box and returns the size of it in screen pixels
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#define STR_MAX_LENGTH 256
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TCHAR * WINAPI StringFromResource(TCHAR *pBuffer, int iResourceID);
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#ifdef UNICODE
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#define WideStringFromResource StringFromResource
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char* WINAPI StringFromResource(char*pBuffer, int iResourceID);
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#else
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WCHAR * WINAPI WideStringFromResource(WCHAR *pBuffer, int iResourceID);
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#endif
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BOOL WINAPI GetDialogSize(int iResourceID, // Dialog box resource identifier
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DLGPROC pDlgProc, // Pointer to dialog procedure
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LPARAM lParam, // Any user data wanted in pDlgProc
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SIZE *pResult); // Returns the size of dialog box
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// Class that aggregates an IDirectDraw interface
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class CAggDirectDraw : public IDirectDraw, public CUnknown
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{
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protected:
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LPDIRECTDRAW m_pDirectDraw;
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public:
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DECLARE_IUNKNOWN
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STDMETHODIMP NonDelegatingQueryInterface(REFIID riid,void **ppv);
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// Constructor and destructor
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CAggDirectDraw(TCHAR *pName,LPUNKNOWN pUnk) :
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CUnknown(pName,pUnk),
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m_pDirectDraw(NULL) { };
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virtual CAggDirectDraw::~CAggDirectDraw() { };
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// Set the object we should be aggregating
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void SetDirectDraw(LPDIRECTDRAW pDirectDraw) {
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m_pDirectDraw = pDirectDraw;
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}
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// IDirectDraw methods
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STDMETHODIMP Compact();
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STDMETHODIMP CreateClipper(DWORD dwFlags,LPDIRECTDRAWCLIPPER *lplpDDClipper,IUnknown *pUnkOuter);
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STDMETHODIMP CreatePalette(DWORD dwFlags,LPPALETTEENTRY lpColorTable,LPDIRECTDRAWPALETTE *lplpDDPalette,IUnknown *pUnkOuter);
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STDMETHODIMP CreateSurface(LPDDSURFACEDESC lpDDSurfaceDesc,LPDIRECTDRAWSURFACE *lplpDDSurface,IUnknown *pUnkOuter);
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STDMETHODIMP DuplicateSurface(LPDIRECTDRAWSURFACE lpDDSurface,LPDIRECTDRAWSURFACE *lplpDupDDSurface);
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STDMETHODIMP EnumDisplayModes(DWORD dwSurfaceDescCount,LPDDSURFACEDESC lplpDDSurfaceDescList,LPVOID lpContext,LPDDENUMMODESCALLBACK lpEnumCallback);
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STDMETHODIMP EnumSurfaces(DWORD dwFlags,LPDDSURFACEDESC lpDDSD,LPVOID lpContext,LPDDENUMSURFACESCALLBACK lpEnumCallback);
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STDMETHODIMP FlipToGDISurface();
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STDMETHODIMP GetCaps(LPDDCAPS lpDDDriverCaps,LPDDCAPS lpDDHELCaps);
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STDMETHODIMP GetDisplayMode(LPDDSURFACEDESC lpDDSurfaceDesc);
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STDMETHODIMP GetFourCCCodes(LPDWORD lpNumCodes,LPDWORD lpCodes);
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STDMETHODIMP GetGDISurface(LPDIRECTDRAWSURFACE *lplpGDIDDSurface);
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STDMETHODIMP GetMonitorFrequency(LPDWORD lpdwFrequency);
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STDMETHODIMP GetScanLine(LPDWORD lpdwScanLine);
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STDMETHODIMP GetVerticalBlankStatus(LPBOOL lpblsInVB);
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STDMETHODIMP Initialize(GUID *lpGUID);
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STDMETHODIMP RestoreDisplayMode();
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STDMETHODIMP SetCooperativeLevel(HWND hWnd,DWORD dwFlags);
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STDMETHODIMP SetDisplayMode(DWORD dwWidth,DWORD dwHeight,DWORD dwBpp);
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STDMETHODIMP WaitForVerticalBlank(DWORD dwFlags,HANDLE hEvent);
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};
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// Class that aggregates an IDirectDrawSurface interface
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class CAggDrawSurface : public IDirectDrawSurface, public CUnknown
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{
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protected:
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LPDIRECTDRAWSURFACE m_pDirectDrawSurface;
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public:
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DECLARE_IUNKNOWN
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STDMETHODIMP NonDelegatingQueryInterface(REFIID riid,void **ppv);
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// Constructor and destructor
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CAggDrawSurface(TCHAR *pName,LPUNKNOWN pUnk) :
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CUnknown(pName,pUnk),
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m_pDirectDrawSurface(NULL) { };
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virtual ~CAggDrawSurface() { };
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// Set the object we should be aggregating
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void SetDirectDrawSurface(LPDIRECTDRAWSURFACE pDirectDrawSurface) {
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m_pDirectDrawSurface = pDirectDrawSurface;
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}
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// IDirectDrawSurface methods
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STDMETHODIMP AddAttachedSurface(LPDIRECTDRAWSURFACE lpDDSAttachedSurface);
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STDMETHODIMP AddOverlayDirtyRect(LPRECT lpRect);
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STDMETHODIMP Blt(LPRECT lpDestRect,LPDIRECTDRAWSURFACE lpDDSrcSurface,LPRECT lpSrcRect,DWORD dwFlags,LPDDBLTFX lpDDBltFx);
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STDMETHODIMP BltBatch(LPDDBLTBATCH lpDDBltBatch,DWORD dwCount,DWORD dwFlags);
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STDMETHODIMP BltFast(DWORD dwX,DWORD dwY,LPDIRECTDRAWSURFACE lpDDSrcSurface,LPRECT lpSrcRect,DWORD dwTrans);
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STDMETHODIMP DeleteAttachedSurface(DWORD dwFlags,LPDIRECTDRAWSURFACE lpDDSAttachedSurface);
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STDMETHODIMP EnumAttachedSurfaces(LPVOID lpContext,LPDDENUMSURFACESCALLBACK lpEnumSurfacesCallback);
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STDMETHODIMP EnumOverlayZOrders(DWORD dwFlags,LPVOID lpContext,LPDDENUMSURFACESCALLBACK lpfnCallback);
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STDMETHODIMP Flip(LPDIRECTDRAWSURFACE lpDDSurfaceTargetOverride,DWORD dwFlags);
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STDMETHODIMP GetAttachedSurface(LPDDSCAPS lpDDSCaps,LPDIRECTDRAWSURFACE *lplpDDAttachedSurface);
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STDMETHODIMP GetBltStatus(DWORD dwFlags);
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STDMETHODIMP GetCaps(LPDDSCAPS lpDDSCaps);
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STDMETHODIMP GetClipper(LPDIRECTDRAWCLIPPER *lplpDDClipper);
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STDMETHODIMP GetColorKey(DWORD dwFlags,LPDDCOLORKEY lpDDColorKey);
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STDMETHODIMP GetDC(HDC *lphDC);
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STDMETHODIMP GetFlipStatus(DWORD dwFlags);
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STDMETHODIMP GetOverlayPosition(LPLONG lpdwX,LPLONG lpdwY);
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STDMETHODIMP GetPalette(LPDIRECTDRAWPALETTE *lplpDDPalette);
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STDMETHODIMP GetPixelFormat(LPDDPIXELFORMAT lpDDPixelFormat);
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STDMETHODIMP GetSurfaceDesc(LPDDSURFACEDESC lpDDSurfaceDesc);
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STDMETHODIMP Initialize(LPDIRECTDRAW lpDD,LPDDSURFACEDESC lpDDSurfaceDesc);
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STDMETHODIMP IsLost();
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STDMETHODIMP Lock(LPRECT lpDestRect,LPDDSURFACEDESC lpDDSurfaceDesc,DWORD dwFlags,HANDLE hEvent);
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STDMETHODIMP ReleaseDC(HDC hDC);
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STDMETHODIMP Restore();
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STDMETHODIMP SetClipper(LPDIRECTDRAWCLIPPER lpDDClipper);
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STDMETHODIMP SetColorKey(DWORD dwFlags,LPDDCOLORKEY lpDDColorKey);
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STDMETHODIMP SetOverlayPosition(LONG dwX,LONG dwY);
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STDMETHODIMP SetPalette(LPDIRECTDRAWPALETTE lpDDPalette);
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STDMETHODIMP Unlock(LPVOID lpSurfaceData);
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STDMETHODIMP UpdateOverlay(LPRECT lpSrcRect,LPDIRECTDRAWSURFACE lpDDDestSurface,LPRECT lpDestRect,DWORD dwFlags,LPDDOVERLAYFX lpDDOverlayFX);
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STDMETHODIMP UpdateOverlayDisplay(DWORD dwFlags);
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STDMETHODIMP UpdateOverlayZOrder(DWORD dwFlags,LPDIRECTDRAWSURFACE lpDDSReference);
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};
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// DirectShow must work on multiple platforms. In particular, it also runs on
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// Windows NT 3.51 which does not have DirectDraw capabilities. The filters
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// cannot therefore link statically to the DirectDraw library. To make their
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// lives that little bit easier we provide this class that manages loading
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// and unloading the library and creating the initial IDirectDraw interface
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typedef DWORD (WINAPI *PGETFILEVERSIONINFOSIZE)(LPTSTR,LPDWORD);
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typedef BOOL (WINAPI *PGETFILEVERSIONINFO)(LPTSTR,DWORD,DWORD,LPVOID);
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typedef BOOL (WINAPI *PVERQUERYVALUE)(LPVOID,LPTSTR,LPVOID,PUINT);
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class CLoadDirectDraw
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{
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LPDIRECTDRAW m_pDirectDraw; // The DirectDraw driver instance
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HINSTANCE m_hDirectDraw; // Handle to the loaded library
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public:
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CLoadDirectDraw();
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~CLoadDirectDraw();
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HRESULT LoadDirectDraw(LPSTR szDevice);
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void ReleaseDirectDraw();
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HRESULT IsDirectDrawLoaded();
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LPDIRECTDRAW GetDirectDraw();
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BOOL IsDirectDrawVersion1();
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};
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#endif // __VIDEOCTL__
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