[PATCH 2/4] amstream: Cleanup MediaStreamFilterImpl_QueryInterface.
Christian Costa
titan.costa at gmail.com
Fri Oct 12 16:07:15 CDT 2012
---
dlls/amstream/mediastreamfilter.c | 29 +++++++++++------------------
1 file changed, 11 insertions(+), 18 deletions(-)
diff --git a/dlls/amstream/mediastreamfilter.c b/dlls/amstream/mediastreamfilter.c
index 194914e..8423cfa 100644
--- a/dlls/amstream/mediastreamfilter.c
+++ b/dlls/amstream/mediastreamfilter.c
@@ -102,29 +102,22 @@ static const BaseInputPinFuncTable input_BaseInputFuncTable = {
/*** IUnknown methods ***/
-static HRESULT WINAPI MediaStreamFilterImpl_QueryInterface(IMediaStreamFilter *iface, REFIID riid,
- void **ppv)
+static HRESULT WINAPI MediaStreamFilterImpl_QueryInterface(IMediaStreamFilter *iface, REFIID riid, void **ret_iface)
{
- IMediaStreamFilterImpl *This = impl_from_IMediaStreamFilter(iface);
-
- TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
+ TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ret_iface);
- *ppv = NULL;
+ *ret_iface = NULL;
- if (IsEqualIID(riid, &IID_IUnknown))
- *ppv = This;
- else if (IsEqualIID(riid, &IID_IPersist))
- *ppv = This;
- else if (IsEqualIID(riid, &IID_IMediaFilter))
- *ppv = This;
- else if (IsEqualIID(riid, &IID_IBaseFilter))
- *ppv = This;
- else if (IsEqualIID(riid, &IID_IMediaStreamFilter))
- *ppv = This;
+ if (IsEqualIID(riid, &IID_IUnknown) ||
+ IsEqualIID(riid, &IID_IPersist) ||
+ IsEqualIID(riid, &IID_IMediaFilter) ||
+ IsEqualIID(riid, &IID_IBaseFilter) ||
+ IsEqualIID(riid, &IID_IMediaStreamFilter))
+ *ret_iface = iface;
- if (*ppv)
+ if (*ret_iface)
{
- IUnknown_AddRef((IUnknown *)(*ppv));
+ IMediaStreamFilter_AddRef(*ret_iface);
return S_OK;
}
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