136 lines
4.1 KiB
C
136 lines
4.1 KiB
C
/****************************************************************************
|
||
vidthunk.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
|
||
#include <wownt32.h>
|
||
//
|
||
// 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 );
|
||
#define WOW32ResolveMemory( p ) (LPVOID)(GetVdmPointer( (DWORD)(p), 0, TRUE ))
|
||
|
||
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) \
|
||
DWORD ReturnCode = 0; \
|
||
DPF2(("Entering function %s", #Function));
|
||
|
||
#define EndThunk() \
|
||
DPF2(("Returned %4X :%4X", \
|
||
HIWORD(ReturnCode), \
|
||
LOWORD(ReturnCode))); \
|
||
return ReturnCode;
|
||
|
||
#define ThunkHWND(h16) ((HWND)lpWOWHandle32(WOW_TYPE_HWND, h16))
|
||
#define ThunkHDC(h16) ((HDC) lpWOWHandle32(WOW_TYPE_HDC , h16))
|
||
#define ThunkHPAL(h16) ((HPALETTE)lpWOWHandle32(WOW_TYPE_HPALETTE, h16))
|
||
|
||
#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,
|
||
|
||
compThunkICInfo32,
|
||
compThunkICSendMessage32,
|
||
compThunkICOpen32,
|
||
compThunkICClose32
|
||
};
|
||
|
||
#ifndef WIN32
|
||
typedef struct _VIDTHUNK
|
||
{
|
||
//
|
||
// Thunking stuff
|
||
//
|
||
DWORD (FAR PASCAL *lpfnCallproc32W)(DWORD, DWORD, DWORD,
|
||
DWORD, DWORD,
|
||
LPVOID, DWORD, DWORD);
|
||
LPVOID lpVideoThunkEntry;
|
||
DWORD dwVideo32Handle;
|
||
LPVOID lpICMThunkEntry;
|
||
DWORD dwICM32Handle;
|
||
|
||
|
||
} VIDTHUNK, *PVIDTHUNK, FAR *LPVIDTHUNK;
|
||
#endif // !WIN32
|
||
|
||
//
|
||
// 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
|
||
|
||
BOOL FAR PASCAL ICInfo32(DWORD fccType, DWORD fccHandler, ICINFO FAR * lpicInfo);
|
||
LRESULT FAR PASCAL ICSendMessage32(DWORD hic, UINT msg, DWORD dwP1, DWORD dwP2);
|
||
DWORD FAR PASCAL ICOpen32(DWORD fccType, DWORD fccHandler, UINT wMode);
|
||
LRESULT FAR PASCAL ICClose32(DWORD hic);
|
||
|
||
#endif // _INC_COMPMAN
|
||
|