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118 lines
2.6 KiB
118 lines
2.6 KiB
/*
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* spigotu.h
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*
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* 32-bit Video Capture driver
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* Data structures and function entry-points for Video Spigot user-mode driver
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*
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* Geraint Davies, May 93
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*/
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#ifndef _SPIGOTU_H_
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#define _SPIGOTU_H_
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/*
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* include needed headers
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*/
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#include <vcstruct.h>
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#include <vcuser.h>
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#include <spigot.h>
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/*
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* a 256-colour palette. There is no
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* proper windows defn for this since the
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* structure varies according to the number of colours
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*
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* The generic structure (without the full complement of paletteentries)
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* is a LOGPALETTE.
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*/
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typedef struct _PAL256 {
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WORD palVersion;
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WORD palNumEntries;
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PALETTEENTRY palPalEntry[256];
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} PAL256, *PPAL256;
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/*
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* information needed to locate/initialise hardware. Set by user
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* in ConfigDlgProc and written to registry to kernel driver.
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*/
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typedef struct _Config_Location {
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DWORD Interrupt; // interrupt number
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DWORD FifoWindow; // Fifo window physical address
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} CONFIG_LOCATION, *PCONFIG_LOCATION;
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/*
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* this structure holds the information we need for a given
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* kernel-driver instance (ie for one board).
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*/
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typedef struct _BU_INFO {
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VCUSER_HANDLE vh; // driver access handle
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// flag which channels are in use (we don't support the 'out' channel)
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BOOL ExtInOpen;
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BOOL ExtOutOpen;
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BOOL InOpen;
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/* total usage count */
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int DriverUsage;
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VCCALLBACK vcCallback; // stream-init callback parameters
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PAL256 palCurrent; // colours for current palette in CfgFormat.pXlate
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CONFIG_FORMAT CfgFormat;
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CONFIG_SOURCE CfgSource;
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BITMAPINFOHEADER biDest; // same info as CfgFormat
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PVC_PROFILE_INFO pProfile; // profile access for this driver's params
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} BU_INFO, * PBU_INFO;
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/* DLL module handle */
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extern HANDLE ghModule;
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/* name of the kernel-mode driver */
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#define DRIVERNAME_U L"spigot"
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/* functions in vmsg.c */
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LRESULT vidProcessMessage(DWORD, UINT, LPARAM, LPARAM);
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LRESULT vidOpen(PVC_PROFILE_INFO, LPVIDEO_OPEN_PARMS);
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LRESULT vidClose(DWORD);
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DWORD SetDestFormat(LPBITMAPINFOHEADER lpbi, DWORD dwSize);
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/* functions in install.c */
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LRESULT vidInstall(HWND hDlg, PCONFIG_LOCATION pLoc, PVC_PROFILE_INFO pProf);
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/* functions in dialog.c */
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VOID cfg_InitDefaults(PBU_INFO pBoardInfo);
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int VideoFormatDlgProc(HWND hDlg, UINT msg, UINT wParam, LONG lParam);
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int VideoSourceDlgProc(HWND hDlg, UINT msg, UINT wParam, LONG lParam);
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int Config(HWND hWnd, HANDLE hModule, PVC_PROFILE_INFO pProfile);
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VOID GetWidthHeight(DWORD dwWidth,LPDWORD lpdwWidth,LPDWORD lpdwHeight,
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VIDSTD VideoStd,
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BOOL bReturnTheoreticalMax
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);
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BOOL vidSetDefaultPalette(PBU_INFO pBoardInfo);
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VOID TransRecalcPal(HPALETTE hpal, LPBYTE pXlate);
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#endif //_SPIGOTU_H_
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