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