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msvfw32: Fix enumeration of VFW video codecs that are registered in the registry.

This commit is contained in:
Julien Muchembled 2007-06-01 00:25:15 +02:00 committed by Alexandre Julliard
parent fc5a746104
commit 79e19b91a8
1 changed files with 10 additions and 8 deletions
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18
dlls/msvfw32/msvideo_main.c
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@ -107,9 +107,8 @@ typedef BOOL (*enum_handler_t)(const char*, int, void*);
static BOOL enum_drivers(DWORD fccType, enum_handler_t handler, void* param)
{
CHAR buf[2048], fccTypeStr[5], *s;
DWORD i, cnt = 0, bufLen, lRet;
DWORD i, cnt = 0, lRet;
BOOL result = FALSE;
FILETIME lastWrite;
HKEY hKey;
fourcc_to_string(fccTypeStr, fccType);
@ -119,14 +118,17 @@ static BOOL enum_drivers(DWORD fccType, enum_handler_t handler, void* param)
lRet = RegOpenKeyExA(HKEY_LOCAL_MACHINE, HKLM_DRIVERS32, 0, KEY_QUERY_VALUE, &hKey);
if (lRet == ERROR_SUCCESS)
{
DWORD numkeys;
RegQueryInfoKeyA( hKey, 0, 0, 0, &numkeys, 0, 0, 0, 0, 0, 0, 0);
for (i = 0; i < numkeys; i++)
DWORD name, data, type;
i = 0;
for (;;)
{
bufLen = sizeof(buf) / sizeof(buf[0]);
lRet = RegEnumKeyExA(hKey, i, buf, &bufLen, 0, 0, 0, &lastWrite);
name = 10;
data = sizeof buf - name;
lRet = RegEnumValueA(hKey, i++, buf, &name, 0, &type, (LPBYTE)(buf+name), &data);
if (lRet == ERROR_NO_MORE_ITEMS) break;
if (lRet != ERROR_SUCCESS) continue;
if (strncasecmp(buf, fccTypeStr, 5) || buf[9] != '=') continue;
if (name != 9 || strncasecmp(buf, fccTypeStr, 5)) continue;
buf[name] = '=';
if ((result = handler(buf, cnt++, param))) break;
}
RegCloseKey( hKey );