[PATCH] evr: Add stubs for EnhancedVideoRenderer

[Alistair Leslie-Hughes]

Hi Fabian,

>You mean for example the DirectShow interfaces like 
>"IAMCertifiedOutputProtection" "IMediaEventSink" and so on?

No, QI will also need to check for the following interfaces
IMediaFilter, IPersist.  

e.g.
IBaseFilter -> IMediaFilter-> IPersist -> IUnknown

Best Regards
 Alistair.