Leaked source code of windows server 2003
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/*
init.c initialisation for MSVIDEO.DLL
Copyright (c) Microsoft Corporation 1992. All rights reserved
*/
#include <windows.h>
#include <win32.h>
#include <verinfo.h> // to get rup
#include "mmsystem.h"
#include "msviddrv.h"
#include "msvideo.h"
#include "msvideoi.h"
#ifdef WIN32
/* we have to allow the compman dll to perform load and unload
* processing - it has a critsec that needs to be initialised and freed
*/
extern void IC_Load(void);
extern void IC_Unload(void);
#else
#define IC_Load()
#define IC_Unload()
#endif
extern void FAR PASCAL videoCleanup(HTASK hTask);
extern void FAR PASCAL DrawDibCleanup(HTASK hTask);
extern void FAR PASCAL ICCleanup(HTASK hTask);
/*****************************************************************************
* @doc INTERNAL VIDEO
*
* DLLEntryPoint - common DLL entry point.
*
* this code is called on both Win16 and Win32, libentry.asm handles
* this on Win16 and the system handles it on NT.
*
****************************************************************************/
#ifndef DLL_PROCESS_DETACH
#define DLL_PROCESS_DETACH 0
#define DLL_PROCESS_ATTACH 1
#define DLL_THREAD_ATTACH 2
#define DLL_THREAD_DETACH 3
#endif
#ifndef NOTHUNKS
VOID FAR PASCAL InitThunks(void);
BOOL gfVideo32;
BOOL gfICM32;
#endif // NOTHUNKS
BOOL WINAPI DLLEntryPoint(HINSTANCE hInstance, ULONG Reason, LPVOID pv)
{
switch (Reason)
{
case DLL_PROCESS_ATTACH:
ghInst = hInstance;
IC_Load();
#ifndef NOTHUNKS
DPF(("Setting up the thunk code\n"));
InitThunks();
DPF(("All thunks initialised: gfVideo32=%d, gfICM32=%d\n", gfVideo32, gfICM32));
#endif // NOTHUNKS
break;
case DLL_PROCESS_DETACH:
DrawDibCleanup(NULL);
ICCleanup(NULL);
IC_Unload();
videoCleanup(NULL);
break;
case DLL_THREAD_DETACH:
break;
case DLL_THREAD_ATTACH:
break;
}
return TRUE;
}
/*****************************************************************************
* @doc EXTERNAL VIDEO
*
* @api DWORD | VideoForWindowsVersion | This function returns the version
* of the Microsoft Video for Windows software.
*
* @rdesc Returns a DWORD version, the hiword is the product version the
* loword is the minor revision.
*
* @comm currently returns 0x010A00## (1.10.00.##) ## is the internal build
* number.
*
****************************************************************************/
#if 0
#ifdef rup
#define MSVIDEO_VERSION (0x01000000l+rup) // 1.00.00.##
#else
#define MSVIDEO_VERSION (0x01000000l) // 1.00.00.00
#endif
#else
#define MSVIDEO_VERSION (0x0L+(((DWORD)MMVERSION)<<24)+(((DWORD)MMREVISION)<<16)+((DWORD)MMRELEASE))
#endif
DWORD FAR PASCAL VideoForWindowsVersion(void)
{
return MSVIDEO_VERSION;
}
/*****************************************************************************
*
* dprintf() is called by the DPF macro if DEBUG is defined at compile time.
*
* The messages will be send to COM1: like any debug message. To
* enable debug output, add the following to WIN.INI :
*
* [debug]
* MSVIDEO=1
*
****************************************************************************/
#ifdef DEBUG
#define MODNAME "MSVIDEO"
#ifndef WIN32
#define lstrcatA lstrcat
#define lstrcpyA lstrcpy
#define lstrlenA lstrlen
#define wvsprintfA wvsprintf
#define GetProfileIntA GetProfileInt
#define OutputDebugStringA OutputDebugString
#endif
#define _WINDLL
#include <stdarg.h>
void FAR CDECL dprintf(LPSTR szFormat, ...)
{
char ach[128];
va_list va;
static BOOL fDebug = -1;
if (fDebug == -1)
fDebug = GetProfileIntA("Debug", MODNAME, FALSE);
if (!fDebug)
return;
lstrcpyA(ach, MODNAME ": ");
va_start(va, szFormat);
wvsprintfA(ach+lstrlenA(ach),szFormat,(LPSTR)va);
va_end(va);
lstrcatA(ach, "\r\n");
OutputDebugStringA(ach);
}
#endif