static HRESULT WINAPI IAMMultiMediaStreamImpl_GetFilter(IAMMultiMediaStream* iface, IMediaStreamFilter** ppFilter)
{
IAMMultiMediaStreamImpl *This = impl_from_IAMMultiMediaStream(iface);
TRACE("(%p/%p)->(%p)\n", This, iface, ppFilter);
if (!ppFilter)
return E_POINTER;
*ppFilter = This->media_stream_filter;
if (*ppFilter)
IMediaStreamFilter_AddRef(*ppFilter);
return S_OK;
}
static HRESULT WINAPI MediaStreamFilterImpl_QueryInterface(IMediaStreamFilter *iface, REFIID riid, void **ret_iface)
{
TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ret_iface);
*ret_iface = NULL;
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 (*ret_iface)
{
IMediaStreamFilter_AddRef(*ret_iface);
return S_OK;
}
return E_NOINTERFACE;
}