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msdmo: Added a helper to duplicate partial media type arrays.

This commit is contained in:
Nikolay Sivov 2015-04-23 10:08:18 +03:00 committed by Alexandre Julliard
parent 0b7b8e3dc3
commit 55620f097c
1 changed files with 25 additions and 28 deletions
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53
dlls/msdmo/dmoreg.c
View File

@ -360,6 +360,21 @@ HRESULT WINAPI DMOGetName(REFCLSID clsidDMO, WCHAR name[])
return S_FALSE;
}
static HRESULT dup_partial_mediatype(const DMO_PARTIAL_MEDIATYPE *types, DWORD count, DMO_PARTIAL_MEDIATYPE **ret)
{
*ret = NULL;
if (count == 0)
return S_OK;
*ret = HeapAlloc(GetProcessHeap(), 0, count*sizeof(*types));
if (!*ret)
return E_OUTOFMEMORY;
memcpy(*ret, types, count*sizeof(*types));
return S_OK;
}
/**************************************************************************
* IEnumDMO_Constructor
*/
@ -373,8 +388,7 @@ static HRESULT IEnumDMO_Constructor(
IEnumDMO **obj)
{
IEnumDMOImpl* lpedmo;
HRESULT hr = S_OK;
UINT size;
HRESULT hr;
LONG ret;
*obj = NULL;
@ -388,32 +402,16 @@ static HRESULT IEnumDMO_Constructor(
lpedmo->index = -1;
lpedmo->category = *guidCategory;
lpedmo->dwFlags = dwFlags;
lpedmo->cInTypes = cInTypes;
lpedmo->cOutTypes = cOutTypes;
if (cInTypes > 0)
{
size = cInTypes * sizeof(DMO_PARTIAL_MEDIATYPE);
lpedmo->pInTypes = HeapAlloc(GetProcessHeap(), 0, size);
if (!lpedmo->pInTypes)
{
hr = E_OUTOFMEMORY;
goto lerr;
}
memcpy(lpedmo->pInTypes, pInTypes, size);
lpedmo->cInTypes = cInTypes;
}
hr = dup_partial_mediatype(pInTypes, cInTypes, &lpedmo->pInTypes);
if (FAILED(hr))
goto lerr;
if (cOutTypes > 0)
{
size = cOutTypes * sizeof(DMO_PARTIAL_MEDIATYPE);
lpedmo->pOutTypes = HeapAlloc(GetProcessHeap(), 0, size);
if (!lpedmo->pOutTypes)
{
hr = E_OUTOFMEMORY;
goto lerr;
}
memcpy(lpedmo->pOutTypes, pOutTypes, size);
lpedmo->cOutTypes = cOutTypes;
}
hr = dup_partial_mediatype(pOutTypes, cOutTypes, &lpedmo->pOutTypes);
if (FAILED(hr))
goto lerr;
/* If not filtering by category enum from media objects root */
if (IsEqualGUID(guidCategory, &GUID_NULL))
@ -426,8 +424,7 @@ static HRESULT IEnumDMO_Constructor(
WCHAR szguid[64];
WCHAR szKey[MAX_PATH];
wsprintfW(szKey, szCat3Fmt, szDMORootKey, szDMOCategories,
GUIDToString(szguid, guidCategory));
wsprintfW(szKey, szCat3Fmt, szDMORootKey, szDMOCategories, GUIDToString(szguid, guidCategory));
if ((ret = RegOpenKeyExW(HKEY_CLASSES_ROOT, szKey, 0, KEY_READ, &lpedmo->hkey)))
hr = HRESULT_FROM_WIN32(ret);
}