649 lines
18 KiB
C
649 lines
18 KiB
C
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/****************************************************************************
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*
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* capinit.c
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*
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* Initialization code.
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*
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* Microsoft Video for Windows Sample Capture Class
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*
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* Copyright (c) 1992 - 1995 Microsoft Corporation. All Rights Reserved.
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*
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* You have a royalty-free right to use, modify, reproduce and
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* distribute the Sample Files (and/or any modified version) in
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* any way you find useful, provided that you agree that
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* Microsoft has no warranty obligations or liability for any
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* Sample Application Files which are modified.
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*
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***************************************************************************/
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#define INC_OLE2
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#pragma warning(disable:4103)
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#include <windows.h>
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#include <windowsx.h>
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#include <win32.h>
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#define MODULE_DEBUG_PREFIX "AVICAP32\\"
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#define _INC_MMDEBUG_CODE_ TRUE
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#include "MMDEBUG.H"
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#if !defined CHICAGO
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#include <ntverp.h>
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#endif
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#include <mmsystem.h>
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#include <msvideo.h>
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#include "ivideo32.h"
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#include <drawdib.h>
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#include "avicap.h"
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#include "avicapi.h"
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HINSTANCE ghInstDll;
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TCHAR szCaptureWindowClass[] = TEXT("ClsCapWin");
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#if !defined CHICAGO
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typedef struct tagVS_VERSION
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{
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WORD wTotLen;
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WORD wValLen;
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TCHAR szSig[16];
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VS_FIXEDFILEINFO vffInfo;
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} VS_VERSION;
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typedef struct tagLANGANDCP
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{
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WORD wLanguage;
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WORD wCodePage;
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} LANGANDCP;
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#endif
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BOOL gfIsRTL;
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BOOL FAR PASCAL RegisterCaptureClass (HINSTANCE hInst)
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{
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WNDCLASS cls;
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// If we're already registered, we're OK
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if (GetClassInfo(hInst, szCaptureWindowClass, &cls))
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return TRUE;
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cls.hCursor = LoadCursor(NULL, IDC_ARROW);
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cls.hIcon = NULL;
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cls.lpszMenuName = NULL;
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cls.lpszClassName = szCaptureWindowClass;
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cls.hbrBackground = (HBRUSH)(COLOR_APPWORKSPACE + 1);
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cls.hInstance = hInst;
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cls.style = CS_HREDRAW|CS_VREDRAW | CS_BYTEALIGNCLIENT |
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CS_GLOBALCLASS | CS_DBLCLKS;
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cls.lpfnWndProc = (WNDPROC) CapWndProc;
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cls.cbClsExtra = 0;
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// Kludge, VB Status and Error GlobalAlloc'd ptrs + room to grow...
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cls.cbWndExtra = sizeof (LPCAPSTREAM) + sizeof (DWORD) * 4;
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RegisterClass(&cls);
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return TRUE;
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}
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//
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// Internal version
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// Get the name and version of the video device
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//
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BOOL capInternalGetDriverDesc (UINT wDriverIndex,
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LPTSTR lpszName, int cbName,
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LPTSTR lpszVer, int cbVer)
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{
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#ifdef CHICAGO
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// This calls into 16-bit AVICAP via a thunk
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return (BOOL) capxGetDriverDescription ((WORD) wDriverIndex,
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lpszName, (WORD) cbName,
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lpszVer, (WORD) cbVer);
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#else
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LPTSTR lpVersion;
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UINT wVersionLen;
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BOOL bRetCode;
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TCHAR szGetName[MAX_PATH];
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DWORD dwVerInfoSize;
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DWORD dwVerHnd;
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TCHAR szBuf[MAX_PATH];
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BOOL fGetName;
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BOOL fGetVersion;
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const static TCHAR szNull[] = TEXT("");
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const static TCHAR szVideo[] = TEXT("msvideo");
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const static TCHAR szSystemIni[] = TEXT("system.ini");
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const static TCHAR szDrivers[] = TEXT("Drivers32");
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static TCHAR szKey[sizeof(szVideo)/sizeof(TCHAR) + 2];
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fGetName = lpszName != NULL && cbName != 0;
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fGetVersion = lpszVer != NULL && cbVer != 0;
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if (fGetName)
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lpszName[0] = TEXT('\0');
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if (fGetVersion)
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lpszVer [0] = TEXT('\0');
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lstrcpy(szKey, szVideo);
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szKey[sizeof(szVideo)/sizeof(TCHAR) - 1] = TEXT('\0');
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if( wDriverIndex > 0 ) {
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szKey[sizeof(szVideo)/sizeof(TCHAR)] = TEXT('\0');
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szKey[(sizeof(szVideo)/sizeof(TCHAR))-1] = (TCHAR)(TEXT('1') + (wDriverIndex-1) ); // driver ordinal
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}
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if (GetPrivateProfileString(szDrivers, szKey, szNull,
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szBuf, sizeof(szBuf)/sizeof(TCHAR), szSystemIni) < 2)
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return FALSE;
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// Copy in the driver name initially, just in case the driver
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// has omitted a description field.
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if (fGetName)
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lstrcpyn(lpszName, szBuf, cbName);
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// You must find the size first before getting any file info
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dwVerInfoSize = GetFileVersionInfoSize(szBuf, &dwVerHnd);
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if (dwVerInfoSize) {
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LPTSTR lpstrVffInfo; // Pointer to block to hold info
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HANDLE hMem; // handle to mem alloc'ed
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// Get a block big enough to hold version info
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hMem = GlobalAlloc(GMEM_MOVEABLE, dwVerInfoSize);
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lpstrVffInfo = GlobalLock(hMem);
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// Get the File Version first
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if (GetFileVersionInfo(szBuf, 0L, dwVerInfoSize, lpstrVffInfo)) {
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VS_VERSION FAR *pVerInfo = (VS_VERSION FAR *) lpstrVffInfo;
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// fill in the file version
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wsprintf(szBuf,
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TEXT("Version: %d.%d.%d.%d"),
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HIWORD(pVerInfo->vffInfo.dwFileVersionMS),
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LOWORD(pVerInfo->vffInfo.dwFileVersionMS),
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HIWORD(pVerInfo->vffInfo.dwFileVersionLS),
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LOWORD(pVerInfo->vffInfo.dwFileVersionLS));
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if (fGetVersion)
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lstrcpyn (lpszVer, szBuf, cbVer);
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}
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// Now try to get the FileDescription
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// First try this for the "Translation" entry, and then
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// try the American english translation.
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// Keep track of the string length for easy updating.
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// 040904E4 represents the language ID and the four
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// least significant digits represent the codepage for
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// which the data is formatted. The language ID is
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// composed of two parts: the low ten bits represent
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// the major language and the high six bits represent
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// the sub language.
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lstrcpy(szGetName, TEXT("\\StringFileInfo\\040904E4\\FileDescription"));
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wVersionLen = 0;
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lpVersion = NULL;
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// Look for the corresponding string.
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bRetCode = VerQueryValue((LPVOID)lpstrVffInfo,
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(LPTSTR)szGetName,
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(void FAR* FAR*)&lpVersion,
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(UINT FAR *) &wVersionLen);
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if (fGetName && bRetCode && wVersionLen && lpVersion)
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lstrcpyn (lpszName, lpVersion, cbName);
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// Let go of the memory
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GlobalUnlock(hMem);
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GlobalFree(hMem);
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}
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return TRUE;
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#endif
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}
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#ifdef UNICODE
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// ansi thunk for above (called from ansi thunk functions
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// for capGetDriverDescriptionA, and WM_GET_DRIVER_NAMEA etc)
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BOOL capInternalGetDriverDescA(UINT wDriverIndex,
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LPSTR lpszName, int cbName,
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LPSTR lpszVer, int cbVer)
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{
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LPWSTR pName = NULL, pVer = NULL;
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BOOL bRet;
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if (lpszName) {
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pName = LocalAlloc(LPTR, cbName * sizeof(WCHAR));
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}
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if (lpszVer) {
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pVer = LocalAlloc(LPTR, cbVer * sizeof(WCHAR));
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}
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bRet = capInternalGetDriverDesc(
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wDriverIndex,
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pName, cbName,
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pVer, cbVer);
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if (lpszName) {
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WideToAnsi(lpszName, pName, cbName);
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}
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if (lpszVer) {
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WideToAnsi(lpszVer, pVer, cbVer);
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}
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if (pVer) {
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LocalFree(pVer);
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}
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if (pName) {
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LocalFree(pName);
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}
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return bRet;
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}
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#endif
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//
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// Exported version
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// Get the name and version of the video device
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//
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// unicode and win-16 version - see ansi thunk below
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BOOL VFWAPI capGetDriverDescription (UINT wDriverIndex,
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LPTSTR lpszName, int cbName,
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LPTSTR lpszVer, int cbVer)
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{
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return (capInternalGetDriverDesc (wDriverIndex,
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lpszName, cbName,
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lpszVer, cbVer));
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}
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#ifdef UNICODE
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// ansi thunk for above
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BOOL VFWAPI capGetDriverDescriptionA(UINT wDriverIndex,
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LPSTR lpszName, int cbName,
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LPSTR lpszVer, int cbVer)
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{
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return capInternalGetDriverDescA(wDriverIndex,
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lpszName, cbName, lpszVer, cbVer);
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}
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#endif
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//
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// Disconnect from hardware resources
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//
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BOOL CapWinDisconnectHardware(LPCAPSTREAM lpcs)
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{
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if( lpcs->hVideoCapture ) {
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videoStreamFini (lpcs->hVideoCapture);
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videoClose( lpcs->hVideoCapture );
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}
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if( lpcs->hVideoDisplay ) {
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videoStreamFini (lpcs->hVideoDisplay);
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videoClose( lpcs->hVideoDisplay );
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}
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if( lpcs->hVideoIn ) {
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videoClose( lpcs->hVideoIn );
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}
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lpcs->fHardwareConnected = FALSE;
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lpcs->hVideoCapture = NULL;
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lpcs->hVideoDisplay = NULL;
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lpcs->hVideoIn = NULL;
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lpcs->sCapDrvCaps.fHasDlgVideoSource = FALSE;
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lpcs->sCapDrvCaps.fHasDlgVideoFormat = FALSE;
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lpcs->sCapDrvCaps.fHasDlgVideoDisplay = FALSE;
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lpcs->sCapDrvCaps.fHasDlgVideoDisplay = FALSE;
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lpcs->sCapDrvCaps.fHasOverlay = FALSE;
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lpcs->sCapDrvCaps.fDriverSuppliesPalettes = FALSE;
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lpcs->sCapDrvCaps.hVideoIn = NULL;
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lpcs->sCapDrvCaps.hVideoOut = NULL;
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lpcs->sCapDrvCaps.hVideoExtIn = NULL;
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lpcs->sCapDrvCaps.hVideoExtOut = NULL;
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return TRUE;
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}
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//
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// Connect to hardware resources
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// Return: TRUE if hardware connected to the stream
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//
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BOOL CapWinConnectHardware (LPCAPSTREAM lpcs, UINT wDeviceIndex)
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{
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DWORD dwError;
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CHANNEL_CAPS VideoCapsExternalOut;
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TCHAR ach1[MAX_PATH];
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TCHAR ach2[MAX_PATH * 3];
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CAPINFOCHUNK cic;
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HINSTANCE hInstT;
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lpcs->hVideoCapture = NULL;
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lpcs->hVideoDisplay = NULL;
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lpcs->hVideoIn = NULL;
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lpcs->fHardwareConnected = FALSE;
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lpcs->fUsingDefaultPalette = TRUE;
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lpcs->sCapDrvCaps.fHasDlgVideoSource = FALSE;
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lpcs->sCapDrvCaps.fHasDlgVideoFormat = FALSE;
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lpcs->sCapDrvCaps.fHasDlgVideoDisplay = FALSE;
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lpcs->sCapDrvCaps.wDeviceIndex = wDeviceIndex;
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// Clear any existing capture device name chunk
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cic.fccInfoID = mmioFOURCC ('I','S','F','T');
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cic.lpData = NULL;
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cic.cbData = 0;
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SetInfoChunk (lpcs, &cic);
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// try and open the video hardware!!!
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if( !(dwError = videoOpen( &lpcs->hVideoIn, wDeviceIndex, VIDEO_IN ) ) ) {
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if( !(dwError = videoOpen( &lpcs->hVideoCapture, wDeviceIndex, VIDEO_EXTERNALIN ) ) ) {
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// We don't require the EXTERNALOUT channel,
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// but do require EXTERNALIN and IN
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videoOpen( &lpcs->hVideoDisplay, wDeviceIndex, VIDEO_EXTERNALOUT );
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if( (!dwError) && lpcs->hVideoCapture && lpcs->hVideoIn ) {
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lpcs->fHardwareConnected = TRUE;
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capInternalGetDriverDesc (wDeviceIndex,
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ach1, sizeof (ach1) / sizeof(TCHAR),
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ach2, sizeof (ach2) / sizeof(TCHAR));
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lstrcat (ach1, TEXT(", "));
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lstrcat (ach1, ach2);
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statusUpdateStatus (lpcs, IDS_CAP_INFO, (LPTSTR) ach1);
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// Make a string of the current task and capture driver
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ach2[0] = '\0';
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if (hInstT = GetWindowInstance (GetParent(lpcs->hwnd)))
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GetModuleFileName (hInstT, ach2, sizeof (ach2)/sizeof(TCHAR));
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lstrcat (ach2, TEXT(" -AVICAP32- "));
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lstrcat (ach2, ach1);
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// Set software chunk with name of capture device
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if (*ach2) {
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cic.lpData = ach2;
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cic.cbData = lstrlen(ach2) + 1;
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SetInfoChunk (lpcs, &cic);
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}
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}
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}
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}
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if (dwError)
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errorDriverID (lpcs, dwError);
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||
|
|
if(!lpcs->fHardwareConnected) {
|
||
|
|
CapWinDisconnectHardware(lpcs);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
if (lpcs->hVideoDisplay && videoGetChannelCaps (lpcs->hVideoDisplay,
|
||
|
|
&VideoCapsExternalOut,
|
||
|
|
sizeof (CHANNEL_CAPS)) == DV_ERR_OK) {
|
||
|
|
lpcs->sCapDrvCaps.fHasOverlay = (BOOL)(VideoCapsExternalOut.dwFlags &
|
||
|
|
(DWORD)VCAPS_OVERLAY);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
lpcs->sCapDrvCaps.fHasOverlay = FALSE;
|
||
|
|
// if the hardware doesn't support it, make sure we don't enable
|
||
|
|
if (!lpcs->sCapDrvCaps.fHasOverlay)
|
||
|
|
lpcs->fOverlayWindow = FALSE;
|
||
|
|
|
||
|
|
// Start the external in channel streaming continuously
|
||
|
|
videoStreamInit (lpcs->hVideoCapture, 0L, 0L, 0L, 0L);
|
||
|
|
} // end if hardware is available
|
||
|
|
|
||
|
|
#if 0
|
||
|
|
// if we don't have a powerful machine, disable capture
|
||
|
|
if (GetWinFlags() & (DWORD) WF_CPU286)
|
||
|
|
CapWinDisconnectHardware(lpcs);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
if (!lpcs->fHardwareConnected){
|
||
|
|
lpcs->fLiveWindow = FALSE;
|
||
|
|
lpcs->fOverlayWindow = FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (lpcs->hVideoIn)
|
||
|
|
lpcs->sCapDrvCaps.fHasDlgVideoFormat = !videoDialog (lpcs->hVideoIn,
|
||
|
|
lpcs->hwnd, VIDEO_DLG_QUERY);
|
||
|
|
|
||
|
|
if (lpcs->hVideoCapture)
|
||
|
|
lpcs->sCapDrvCaps.fHasDlgVideoSource = !videoDialog (lpcs->hVideoCapture,
|
||
|
|
lpcs->hwnd, VIDEO_DLG_QUERY);
|
||
|
|
|
||
|
|
if (lpcs->hVideoDisplay)
|
||
|
|
lpcs->sCapDrvCaps.fHasDlgVideoDisplay = !videoDialog (lpcs->hVideoDisplay,
|
||
|
|
lpcs->hwnd, VIDEO_DLG_QUERY);
|
||
|
|
|
||
|
|
// these handles are not supported on WIN32 for the good reason that
|
||
|
|
// the videoXXX api set is not published for 32-bit
|
||
|
|
// we might want to make use of the handles ourselves...???
|
||
|
|
lpcs->sCapDrvCaps.hVideoIn = NULL;
|
||
|
|
lpcs->sCapDrvCaps.hVideoOut = NULL;
|
||
|
|
lpcs->sCapDrvCaps.hVideoExtIn = NULL;
|
||
|
|
lpcs->sCapDrvCaps.hVideoExtOut = NULL;
|
||
|
|
|
||
|
|
return lpcs->fHardwareConnected;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// Creates a child window of the capture class
|
||
|
|
// Normally:
|
||
|
|
// Set lpszWindowName to NULL
|
||
|
|
// Set dwStyle to WS_CHILD | WS_VISIBLE
|
||
|
|
// Set hmenu to a unique child id
|
||
|
|
|
||
|
|
// Unicode and Win-16 version. See ansi thunk below
|
||
|
|
HWND VFWAPI capCreateCaptureWindow (
|
||
|
|
LPCTSTR lpszWindowName,
|
||
|
|
DWORD dwStyle,
|
||
|
|
int x, int y, int nWidth, int nHeight,
|
||
|
|
HWND hwndParent, int nID)
|
||
|
|
{
|
||
|
|
DWORD dwExStyle;
|
||
|
|
|
||
|
|
dwExStyle = gfIsRTL ? WS_EX_LEFTSCROLLBAR | WS_EX_RIGHT | WS_EX_RTLREADING : 0;
|
||
|
|
RegisterCaptureClass(ghInstDll);
|
||
|
|
|
||
|
|
#ifdef USE_AVIFILE
|
||
|
|
AVIFileInit();
|
||
|
|
#endif
|
||
|
|
|
||
|
|
return CreateWindowEx(dwExStyle,
|
||
|
|
szCaptureWindowClass,
|
||
|
|
lpszWindowName,
|
||
|
|
dwStyle,
|
||
|
|
x, y, nWidth, nHeight,
|
||
|
|
hwndParent, (HMENU) nID,
|
||
|
|
ghInstDll,
|
||
|
|
NULL);
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifdef UNICODE
|
||
|
|
// ansi thunk
|
||
|
|
HWND VFWAPI capCreateCaptureWindowA (
|
||
|
|
LPCSTR lpszWindowName,
|
||
|
|
DWORD dwStyle,
|
||
|
|
int x, int y, int nWidth, int nHeight,
|
||
|
|
HWND hwndParent, int nID)
|
||
|
|
{
|
||
|
|
LPWSTR pw;
|
||
|
|
int chsize;
|
||
|
|
HWND hwnd;
|
||
|
|
|
||
|
|
if (lpszWindowName == NULL) {
|
||
|
|
pw = NULL;
|
||
|
|
} else {
|
||
|
|
// remember the null
|
||
|
|
chsize = lstrlenA(lpszWindowName) + 1;
|
||
|
|
pw = LocalLock(LocalAlloc(LPTR, chsize * sizeof(WCHAR)));
|
||
|
|
|
||
|
|
AnsiToWide(pw, lpszWindowName, chsize);
|
||
|
|
}
|
||
|
|
|
||
|
|
hwnd = capCreateCaptureWindowW(pw, dwStyle, x, y, nWidth, nHeight,
|
||
|
|
hwndParent, nID);
|
||
|
|
|
||
|
|
if (pw != NULL) {
|
||
|
|
LocalFree(LocalHandle(pw));
|
||
|
|
}
|
||
|
|
return(hwnd);
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
#ifdef CHICAGO
|
||
|
|
|
||
|
|
static char pszDll16[] = "AVICAP.DLL";
|
||
|
|
static char pszDll32[] = "AVICAP32.DLL";
|
||
|
|
|
||
|
|
BOOL PASCAL avicapf_ThunkConnect32(LPCSTR pszDll16, LPCSTR pszDll32, HINSTANCE hinst, DWORD dwReason);
|
||
|
|
|
||
|
|
BOOL WINAPI DllMain(
|
||
|
|
HANDLE hInstance,
|
||
|
|
DWORD dwReason,
|
||
|
|
LPVOID reserved)
|
||
|
|
{
|
||
|
|
#if defined DEBUG || defined DEBUG_RETAIL
|
||
|
|
DebugSetOutputLevel (GetProfileInt ("Debug", "Avicap32", 0));
|
||
|
|
AuxDebugEx (1, DEBUGLINE "DllEntryPoint, %08x,%08x,%08x\r\n", hInstance, dwReason, reserved);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
if (dwReason == DLL_PROCESS_ATTACH)
|
||
|
|
{
|
||
|
|
char ach[2];
|
||
|
|
ghInstDll = hInstance;
|
||
|
|
|
||
|
|
LoadString(ghInstDll, IDS_CAP_RTL, ach, sizeof(ach));
|
||
|
|
gfIsRTL = ach[0] == TEXT('1');
|
||
|
|
|
||
|
|
// INLINE_BREAK;
|
||
|
|
if (!avicapf_ThunkConnect32(pszDll16, pszDll32, hInstance, dwReason))
|
||
|
|
return FALSE;
|
||
|
|
|
||
|
|
#if defined _WIN32 && defined CHICAGO
|
||
|
|
// we do this so that we can Get LinPageLock & PageAllocate services
|
||
|
|
//
|
||
|
|
;
|
||
|
|
// OpenMMDEVLDR();
|
||
|
|
#endif
|
||
|
|
|
||
|
|
}
|
||
|
|
else if (dwReason == DLL_PROCESS_DETACH)
|
||
|
|
{
|
||
|
|
|
||
|
|
#if defined _WIN32 && defined CHICAGO
|
||
|
|
;
|
||
|
|
// CloseMMDEVLDR();
|
||
|
|
#endif
|
||
|
|
|
||
|
|
return avicapf_ThunkConnect32(pszDll16, pszDll32, hInstance, dwReason);
|
||
|
|
}
|
||
|
|
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
#else // this is the NT dll entry point
|
||
|
|
|
||
|
|
static char szMSVIDEO[] = "MSVideo";
|
||
|
|
|
||
|
|
BOOL DllInstanceInit(HANDLE hInstance, DWORD dwReason, LPVOID reserved)
|
||
|
|
{
|
||
|
|
#if 0
|
||
|
|
static BOOL bFixedUp = FALSE;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
if (dwReason == DLL_PROCESS_ATTACH) {
|
||
|
|
TCHAR ach[2];
|
||
|
|
#if 0
|
||
|
|
// this hack has been superceded by correct thunking of capGetDriverDescription
|
||
|
|
// in an nt-supplied 16-bit avicap.dll
|
||
|
|
if (!bFixedUp) {
|
||
|
|
HKEY hkey16=NULL;
|
||
|
|
HKEY hkey32=NULL;
|
||
|
|
char achValue[256];
|
||
|
|
DWORD dwType, cbValue = sizeof(achValue);
|
||
|
|
|
||
|
|
// In order to get 16 bit capture applications to work, a 16 bit
|
||
|
|
// application must believe that there is a capture driver
|
||
|
|
// installed. Because these applications look in the 16 bit
|
||
|
|
// registry (equates to INI file) then we fudge the situation.
|
||
|
|
// IF there is no information on the 16 bit side, BUT we have
|
||
|
|
// installed a 32 bit driver, then copy the 32 bit driver
|
||
|
|
// information to the 16 bit registry. Note: this does NOT mean
|
||
|
|
// that the capture will happen in 16 bit. The 32 bit code will
|
||
|
|
// still get invoked to do the capture.
|
||
|
|
|
||
|
|
RegCreateKeyA(HKEY_LOCAL_MACHINE,
|
||
|
|
"Software\\Microsoft\\Windows NT\\CurrentVersion\\Drivers",
|
||
|
|
&hkey16);
|
||
|
|
|
||
|
|
RegOpenKeyA(HKEY_LOCAL_MACHINE,
|
||
|
|
"Software\\Microsoft\\Windows NT\\CurrentVersion\\Drivers32",
|
||
|
|
&hkey32);
|
||
|
|
|
||
|
|
if (hkey16 && hkey32) {
|
||
|
|
LONG result =
|
||
|
|
RegQueryValueExA(
|
||
|
|
hkey16,
|
||
|
|
szMSVIDEO,
|
||
|
|
NULL,
|
||
|
|
&dwType,
|
||
|
|
achValue,
|
||
|
|
&cbValue);
|
||
|
|
|
||
|
|
// If there is no value stored in the 16 bit section of the
|
||
|
|
// registry (equates to INI file) then see if we have a
|
||
|
|
// 32 bit driver installed.
|
||
|
|
if ((result != ERROR_SUCCESS) && (result != ERROR_MORE_DATA)) {
|
||
|
|
cbValue = sizeof(achValue);
|
||
|
|
if (RegQueryValueExA(
|
||
|
|
hkey32,
|
||
|
|
szMSVIDEO,
|
||
|
|
NULL,
|
||
|
|
&dwType,
|
||
|
|
achValue,
|
||
|
|
&cbValue) == ERROR_SUCCESS) {
|
||
|
|
|
||
|
|
// there is a 32-bit MSVideo and no 16-bit MSVideo -
|
||
|
|
// write the 32-bit one into the 16-bit list so that
|
||
|
|
// capGetDriverDescription will work
|
||
|
|
// cbValue will be set correctly from the previous
|
||
|
|
// query call
|
||
|
|
RegSetValueExA(
|
||
|
|
hkey16,
|
||
|
|
szMSVIDEO,
|
||
|
|
0,
|
||
|
|
dwType,
|
||
|
|
achValue,
|
||
|
|
cbValue);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (hkey16) {
|
||
|
|
RegCloseKey(hkey16);
|
||
|
|
}
|
||
|
|
if (hkey32) {
|
||
|
|
RegCloseKey(hkey32);
|
||
|
|
}
|
||
|
|
bFixedUp = TRUE;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
ghInstDll = hInstance;
|
||
|
|
DisableThreadLibraryCalls(hInstance);
|
||
|
|
LoadString(ghInstDll, IDS_CAP_RTL, ach, NUMELMS(ach));
|
||
|
|
gfIsRTL = ach[0] == TEXT('1');
|
||
|
|
DebugSetOutputLevel (GetProfileIntA("Debug", "Avicap32", 0));
|
||
|
|
videoInitHandleList();
|
||
|
|
} else if (dwReason == DLL_PROCESS_DETACH) {
|
||
|
|
videoDeleteHandleList();
|
||
|
|
}
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif // CHICAGO / NT dll entry point
|
||
|
|
|
||
|
|
|