253 lines
6.8 KiB
C
253 lines
6.8 KiB
C
/****************************************************************************
|
|
thunk.h
|
|
|
|
Contains definitions for msvideo thunks (16/32 bit)
|
|
|
|
Copyright (c) Microsoft Corporation 1994. All rights reserved
|
|
|
|
****************************************************************************/
|
|
|
|
//
|
|
// NOTE - 32bit handles have 0x8000 'or'ed in - this makes a BIG ASSUMPTION
|
|
// about how handles are generated on the 32-bit side. We ASSUME here
|
|
// that :
|
|
//
|
|
// 32bit msvideo.dll always uses OpenDriver to create handles
|
|
//
|
|
// The OpenDriver returns indices into its table (ie small positive
|
|
// numbers).
|
|
//
|
|
|
|
#define Is32bitHandle(h) (((h) & 0x8000) != 0)
|
|
#define Make32bitHandle(h) ((h) | 0x8000)
|
|
#define Map32bitHandle(h) ((h) & 0x7FFF)
|
|
|
|
//
|
|
//
|
|
//
|
|
#ifdef _WIN32
|
|
|
|
#ifdef CHICAGO
|
|
//
|
|
// Following pasted from wownt32.h
|
|
//
|
|
|
|
//
|
|
// 16 <--> 32 Handle mapping functions.
|
|
//
|
|
// NOTE: While some of these functions perform trivial
|
|
// conversions, these functions must be used to maintain
|
|
// compatibility with future versions of Windows NT which
|
|
// may require different handle mapping.
|
|
//
|
|
|
|
typedef enum _WOW_HANDLE_TYPE { /* WOW */
|
|
WOW_TYPE_HWND,
|
|
WOW_TYPE_HMENU,
|
|
WOW_TYPE_HDWP,
|
|
WOW_TYPE_HDROP,
|
|
WOW_TYPE_HDC,
|
|
WOW_TYPE_HFONT,
|
|
WOW_TYPE_HMETAFILE,
|
|
WOW_TYPE_HRGN,
|
|
WOW_TYPE_HBITMAP,
|
|
WOW_TYPE_HBRUSH,
|
|
WOW_TYPE_HPALETTE,
|
|
WOW_TYPE_HPEN,
|
|
WOW_TYPE_HACCEL,
|
|
WOW_TYPE_HTASK,
|
|
WOW_TYPE_FULLHWND
|
|
} WOW_HANDLE_TYPE;
|
|
|
|
#define ThunkHWND(h16) ((HWND)h16)
|
|
#define ThunkHDC(h16) ((HDC)h16)
|
|
#define ThunkHPAL(h16) ((HPALETTE)h16)
|
|
|
|
#else
|
|
|
|
#include <wownt32.h>
|
|
|
|
#define ThunkHWND(h16) ((HWND)lpWOWHandle32((WORD)h16, WOW_TYPE_HWND))
|
|
#define ThunkHDC(h16) ((HDC) lpWOWHandle32((WORD)h16, WOW_TYPE_HDC))
|
|
#define ThunkHPAL(h16) ((HPALETTE)lpWOWHandle32((WORD)h16, WOW_TYPE_HPALETTE))
|
|
|
|
#endif // !CHICAGO
|
|
|
|
//
|
|
// Thunking support
|
|
//
|
|
|
|
#define GET_VDM_POINTER_NAME "WOWGetVDMPointer"
|
|
#define GET_HANDLE_MAPPER16 "WOWHandle16"
|
|
#define GET_HANDLE_MAPPER32 "WOWHandle32"
|
|
#define GET_CALLBACK16 "WOWCallback16"
|
|
#define GET_MAPPING_MODULE_NAME TEXT("wow32.dll")
|
|
|
|
typedef LPVOID (APIENTRY *LPGETVDMPOINTER)( DWORD Address, DWORD dwBytes, BOOL fProtectMode );
|
|
typedef HANDLE (APIENTRY *LPWOWHANDLE32)(WORD, WOW_HANDLE_TYPE);
|
|
typedef WORD (APIENTRY *LPWOWHANDLE16)(HANDLE, WOW_HANDLE_TYPE);
|
|
typedef DWORD (APIENTRY *LPWOWCALLBACK16)(DWORD vpfn16, DWORD dwParam);
|
|
|
|
|
|
|
|
#define StartThunk(Function) \
|
|
LRESULT ReturnCode = 0; \
|
|
DPFS(dbgThunks, 2, "Entering function %s", #Function);
|
|
|
|
#define EndThunk() \
|
|
DPFS(dbgThunks, 2, "Returned %4X :%4X", \
|
|
HIWORD(ReturnCode), \
|
|
LOWORD(ReturnCode)); \
|
|
return ReturnCode;
|
|
|
|
#endif // _WIN32
|
|
|
|
/*
|
|
* Useful structures and mapping
|
|
*/
|
|
|
|
typedef struct {
|
|
short left, top, right, bottom;
|
|
} RECT_SHORT;
|
|
|
|
|
|
#define SHORT_RECT_TO_RECT(OutRect, InRect) \
|
|
OutRect.left = (LONG)InRect.left; \
|
|
OutRect.top = (LONG)InRect.top; \
|
|
OutRect.right = (LONG)InRect.right; \
|
|
OutRect.bottom = (LONG)InRect.bottom;
|
|
|
|
#define RECT_TO_SHORT_RECT(OutRect, InRect) \
|
|
OutRect.left = (short)InRect.left; \
|
|
OutRect.top = (short)InRect.top; \
|
|
OutRect.right = (short)InRect.right; \
|
|
OutRect.bottom = (short)InRect.bottom;
|
|
|
|
|
|
//
|
|
// Function ids across the thunking layer (used by 32 and 16 bit)
|
|
//
|
|
enum {
|
|
vidThunkvideoMessage32=1,
|
|
vidThunkvideoGetNumDevs32,
|
|
vidThunkvideoOpen32,
|
|
vidThunkvideoClose32,
|
|
|
|
compThunkICInfoInternal32,
|
|
compThunkICSendMessage32,
|
|
compThunkICOpen32,
|
|
compThunkICClose32,
|
|
compThunkICOpenFunction32,
|
|
compThunkICSetStatusProc32
|
|
};
|
|
|
|
#ifndef _WIN32
|
|
typedef struct _VIDTHUNK
|
|
{
|
|
//
|
|
// Thunking stuff
|
|
//
|
|
DWORD (FAR PASCAL *lpfnCallproc32W)(DWORD, DWORD, DWORD,
|
|
DWORD, DWORD,
|
|
LPVOID, DWORD, DWORD);
|
|
LPVOID lpvThunkEntry;
|
|
DWORD dwVideo32Handle;
|
|
|
|
|
|
} VIDTHUNK, *PVIDTHUNK, FAR *LPVIDTHUNK;
|
|
#endif // !_WIN32
|
|
|
|
//
|
|
// Some typedefs to assist with the ICM_SET_STATUS_PROC
|
|
// thunk and callback thunk.
|
|
//
|
|
// Convention:
|
|
// "S" suffix indicates a 16:16 ptr (Segmented)
|
|
// "L" suffix indicates a 0:32 ptr (Linear)
|
|
// no suffix indicates a native bitness pointer
|
|
//
|
|
typedef LONG (CALLBACK *ICSTATUSPROC)(LPARAM lParam, UINT uMsg, LONG l);
|
|
typedef struct tICSTATUSTHUNKDESC FAR * LPICSTATUSTHUNKDESC;
|
|
|
|
|
|
#ifdef _WIN32
|
|
typedef DWORD LPVOIDS;
|
|
typedef LPICSTATUSTHUNKDESC LPICSTATUSTHUNKDESCL;
|
|
typedef DWORD LPICSTATUSTHUNKDESCS;
|
|
typedef ICSTATUSPROC ICSTATUSPROCL;
|
|
typedef DWORD ICSTATUSPROCS;
|
|
|
|
#else
|
|
typedef LPVOID LPVOIDS;
|
|
typedef DWORD LPICSTATUSTHUNKDESCL;
|
|
typedef LPICSTATUSTHUNKDESC LPICSTATUSTHUNKDESCS;
|
|
typedef DWORD ICSTATUSPROCL;
|
|
typedef ICSTATUSPROC ICSTATUSPROCS;
|
|
#endif
|
|
|
|
typedef struct tICSTATUSTHUNKDESC {
|
|
//
|
|
// segmented ptr to this struct
|
|
//
|
|
LPICSTATUSTHUNKDESCS lpstdS;
|
|
|
|
//
|
|
// segmented ptr to 16 bit callback stub
|
|
//
|
|
LPVOIDS pfnthkStatusProc16S;
|
|
|
|
//
|
|
// from client's ICSETSTATUSPROC
|
|
//
|
|
DWORD dwFlags;
|
|
LPARAM lParam;
|
|
ICSTATUSPROCS fnStatusProcS;
|
|
|
|
//
|
|
// to be sent to client's callback
|
|
//
|
|
DWORD uMsg;
|
|
LONG l;
|
|
} ICSTATUSTHUNKDESC;
|
|
|
|
|
|
//--------------------------------------------------------------------------;
|
|
//
|
|
//
|
|
//
|
|
//--------------------------------------------------------------------------;
|
|
|
|
//
|
|
// The following functions generate calls to the 32-bit side
|
|
//
|
|
|
|
#ifdef _INC_MSVIDEO
|
|
|
|
DWORD FAR PASCAL videoMessage32(HVIDEO hVideo, UINT msg, DWORD dwP1, DWORD dwP2);
|
|
DWORD FAR PASCAL videoGetNumDevs32(void);
|
|
DWORD FAR PASCAL videoClose32(HVIDEO hVideo);
|
|
DWORD FAR PASCAL videoOpen32(LPHVIDEO lphVideo, DWORD dwDeviceID, DWORD dwFlags);
|
|
|
|
#endif // _INC_MSVIDEO
|
|
|
|
#ifdef _INC_COMPMAN
|
|
|
|
#ifdef _WIN32
|
|
LRESULT FAR PASCAL ICInfoInternal32(DWORD fccType, DWORD fccHandler, ICINFO16 FAR * lpicinfo, ICINFOI FAR * lpicinfoi);
|
|
#else
|
|
BOOL FAR PASCAL ICInfoInternal32(DWORD fccType, DWORD fccHandler, ICINFO FAR * lpicinfo, ICINFOI FAR * lpicinfoi);
|
|
#endif
|
|
LRESULT FAR PASCAL ICSendMessage32(DWORD hic, UINT msg, DWORD_PTR dwP1, DWORD_PTR dwP2);
|
|
LRESULT FAR PASCAL ICOpen32(DWORD fccType, DWORD fccHandler, UINT wMode);
|
|
LRESULT FAR PASCAL ICOpenFunction32(DWORD fccType, DWORD fccHandler, UINT wMode, FARPROC lpfnHandler);
|
|
LRESULT FAR PASCAL ICClose32(DWORD hic);
|
|
LRESULT FAR PASCAL ICSendSetStatusProc32(HIC hic, ICSETSTATUSPROC FAR* lpissp, DWORD cbStruct);
|
|
|
|
#endif // _INC_COMPMAN
|
|
|
|
//--------------------------------------------------------------------------;
|
|
//
|
|
//
|
|
//
|
|
//--------------------------------------------------------------------------;
|