/******************************************************************************
* IEnumDMO_fnNext
*/
static HRESULT WINAPI IEnumDMO_fnNext(
IEnumDMO * iface,
DWORD cItemsToFetch,
CLSID * pCLSID,
WCHAR ** Names,
DWORD * pcItemsFetched)
{
HKEY hkey;
WCHAR szNextKey[MAX_PATH];
WCHAR szGuidKey[64];
WCHAR szKey[MAX_PATH];
WCHAR szValue[MAX_PATH];
DWORD len;
UINT count = 0;
HRESULT hres = S_OK;
LONG ret;
IEnumDMOImpl *This = impl_from_IEnumDMO(iface);
TRACE("(%p)->(%d %p %p %p)\n", This, cItemsToFetch, pCLSID, Names, pcItemsFetched);
if (!pCLSID || !Names || !pcItemsFetched)
return E_POINTER;
while (count < cItemsToFetch)
{
This->index++;
len = MAX_PATH;
ret = RegEnumKeyExW(This->hkey, This->index, szNextKey, &len, NULL, NULL, NULL, NULL);
if (ret != ERROR_SUCCESS)
{
hres = HRESULT_FROM_WIN32(ret);
break;
}
TRACE("found %s\n", debugstr_w(szNextKey));
if (!(This->dwFlags & DMO_ENUMF_INCLUDE_KEYED))
{
wsprintfW(szKey, szCat3Fmt, szDMORootKey, szNextKey, szDMOKeyed);
ret = RegOpenKeyExW(HKEY_CLASSES_ROOT, szKey, 0, KEY_READ, &hkey);
if (ERROR_SUCCESS == ret)
{
RegCloseKey(hkey);
/* Skip Keyed entries */
continue;
}
}
wsprintfW(szKey, szCat2Fmt, szDMORootKey, szNextKey);
ret = RegOpenKeyExW(HKEY_CLASSES_ROOT, szKey, 0, KEY_READ, &hkey);
TRACE("testing %s\n", debugstr_w(szKey));
if (This->pInTypes)
{
UINT i, j;
DWORD cInTypes;
DMO_PARTIAL_MEDIATYPE* pInTypes;
hres = read_types(hkey, szDMOInputType, &cInTypes,
sizeof(szValue)/sizeof(DMO_PARTIAL_MEDIATYPE),
(DMO_PARTIAL_MEDIATYPE*)szValue);
if (FAILED(hres))
{
RegCloseKey(hkey);
continue;
}
pInTypes = (DMO_PARTIAL_MEDIATYPE*) szValue;
TRACE("read %d intypes for %s:\n", cInTypes, debugstr_w(szKey));
for (i = 0; i < cInTypes; i++) {
TRACE("intype %d: type %s, subtype %s\n", i, debugstr_guid(&pInTypes[i].type),
debugstr_guid(&pInTypes[i].subtype));
}
for (i = 0; i < This->cInTypes; i++)
{
for (j = 0; j < cInTypes; j++)
{
if (IsMediaTypeEqual(&pInTypes[j], &This->pInTypes[i]))
break;
}
if (j >= cInTypes)
break;
}
if (i < This->cInTypes)
{
RegCloseKey(hkey);
continue;
}
}
if (This->pOutTypes)
{
UINT i, j;
DWORD cOutTypes;
DMO_PARTIAL_MEDIATYPE* pOutTypes;
hres = read_types(hkey, szDMOOutputType, &cOutTypes,
sizeof(szValue)/sizeof(DMO_PARTIAL_MEDIATYPE),
(DMO_PARTIAL_MEDIATYPE*)szValue);
if (FAILED(hres))
{
RegCloseKey(hkey);
continue;
}
pOutTypes = (DMO_PARTIAL_MEDIATYPE*) szValue;
TRACE("read %d outtypes for %s:\n", cOutTypes, debugstr_w(szKey));
for (i = 0; i < cOutTypes; i++) {
TRACE("outtype %d: type %s, subtype %s\n", i, debugstr_guid(&pOutTypes[i].type),
debugstr_guid(&pOutTypes[i].subtype));
}
for (i = 0; i < This->cOutTypes; i++)
{
for (j = 0; j < cOutTypes; j++)
{
if (IsMediaTypeEqual(&pOutTypes[j], &This->pOutTypes[i]))
break;
}
if (j >= cOutTypes)
break;
}
if (i < This->cOutTypes)
{
RegCloseKey(hkey);
continue;
}
}
/* Media object wasn't filtered so add it to return list */
Names[count] = NULL;
len = MAX_PATH * sizeof(WCHAR);
ret = RegQueryValueExW(hkey, NULL, NULL, NULL, (LPBYTE)szValue, &len);
if (ERROR_SUCCESS == ret)
{
Names[count] = CoTaskMemAlloc((strlenW(szValue) + 1) * sizeof(WCHAR));
if (Names[count])
strcpyW(Names[count], szValue);
}
wsprintfW(szGuidKey,szToGuidFmt,szNextKey);
CLSIDFromString(szGuidKey, &pCLSID[count]);
TRACE("found match %s %s\n", debugstr_w(szValue), debugstr_w(szNextKey));
RegCloseKey(hkey);
count++;
}
*pcItemsFetched = count;
if (*pcItemsFetched < cItemsToFetch)
hres = S_FALSE;
TRACE("<-- %i found\n",count);
return hres;
}
/******************************************************************************
* IEnumDMO_fnNext
*/
static HRESULT WINAPI IEnumDMO_fnNext(
IEnumDMO * iface,
DWORD cItemsToFetch,
CLSID * pCLSID,
WCHAR ** Names,
DWORD * pcItemsFetched)
{
FILETIME ft;
HKEY hkey;
WCHAR szNextKey[MAX_PATH];
WCHAR szGuidKey[64];
WCHAR szKey[MAX_PATH];
WCHAR szValue[MAX_PATH];
DWORD len;
UINT count = 0;
HRESULT hres = S_OK;
IEnumDMOImpl *This = (IEnumDMOImpl *)iface;
TRACE("--> (%p) %d %p %p %p\n", iface, cItemsToFetch, pCLSID, Names, pcItemsFetched);
if (!pCLSID || !Names || !pcItemsFetched)
return E_POINTER;
while (count < cItemsToFetch)
{
This->index++;
len = MAX_PATH;
hres = RegEnumKeyExW(This->hkey, This->index, szNextKey, &len, NULL, NULL, NULL, &ft);
if (hres != ERROR_SUCCESS)
break;
TRACE("found %s\n", debugstr_w(szNextKey));
if (!(This->dwFlags & DMO_ENUMF_INCLUDE_KEYED))
{
wsprintfW(szKey, szCat3Fmt, szDMORootKey, szNextKey, szDMOKeyed);
hres = RegOpenKeyExW(HKEY_CLASSES_ROOT, szKey, 0, KEY_READ, &hkey);
if (ERROR_SUCCESS == hres)
{
RegCloseKey(hkey);
/* Skip Keyed entries */
continue;
}
}
wsprintfW(szKey, szCat2Fmt, szDMORootKey, szNextKey);
hres = RegOpenKeyExW(HKEY_CLASSES_ROOT, szKey, 0, KEY_READ, &hkey);
if (This->pInTypes)
{
UINT i, j;
DWORD cInTypes;
DMO_PARTIAL_MEDIATYPE* pInTypes;
hres = read_types(hkey, szDMOInputType, &cInTypes,
sizeof(szValue)/sizeof(DMO_PARTIAL_MEDIATYPE),
(DMO_PARTIAL_MEDIATYPE*)szValue);
if (ERROR_SUCCESS != hres)
{
RegCloseKey(hkey);
continue;
}
pInTypes = (DMO_PARTIAL_MEDIATYPE*) szValue;
for (i = 0; i < This->cInTypes; i++)
{
for (j = 0; j < cInTypes; j++)
{
if (IsMediaTypeEqual(&pInTypes[j], &This->pInTypes[i]))
break;
}
if (j >= cInTypes)
break;
}
if (i < This->cInTypes)
{
RegCloseKey(hkey);
continue;
}
}
if (This->pOutTypes)
{
UINT i, j;
DWORD cOutTypes;
DMO_PARTIAL_MEDIATYPE* pOutTypes;
hres = read_types(hkey, szDMOOutputType, &cOutTypes,
sizeof(szValue)/sizeof(DMO_PARTIAL_MEDIATYPE),
(DMO_PARTIAL_MEDIATYPE*)szValue);
if (ERROR_SUCCESS != hres)
{
RegCloseKey(hkey);
continue;
}
pOutTypes = (DMO_PARTIAL_MEDIATYPE*) szValue;
for (i = 0; i < This->cOutTypes; i++)
{
for (j = 0; j < cOutTypes; j++)
{
if (IsMediaTypeEqual(&pOutTypes[j], &This->pOutTypes[i]))
break;
}
if (j >= cOutTypes)
break;
}
if (i < This->cOutTypes)
{
RegCloseKey(hkey);
continue;
}
}
/* Media object wasn't filtered so add it to return list */
Names[count] = NULL;
len = MAX_PATH * sizeof(WCHAR);
hres = RegQueryValueExW(hkey, NULL, NULL, NULL, (LPBYTE) szValue, &len);
if (ERROR_SUCCESS == hres)
{
Names[count] = HeapAlloc(GetProcessHeap(), 0, strlenW(szValue) + 1);
if (Names[count])
strcmpW(Names[count], szValue);
}
wsprintfW(szGuidKey,szToGuidFmt,szNextKey);
CLSIDFromString(szGuidKey, &pCLSID[count]);
TRACE("found match %s %s\n", debugstr_w(szValue), debugstr_w(szNextKey));
RegCloseKey(hkey);
count++;
}
*pcItemsFetched = count;
if (*pcItemsFetched < cItemsToFetch)
hres = S_FALSE;
TRACE("<-- %i found\n",count);
return hres;
}
