That log still shows monitor capture and window capture and webcams, try with only a game capture source.https://gist.github.com/c086dbeeaf1d62a28da8
I think Opera and Firefox are memory leaking in a terrible way as well...
edit: Tried your suggestions here.
Thanks for the help sorry if I enrage you trying to get this to work.
(I think I will save my sheckles for a Surface Pro 4.)
x264 gets the high encoding CPU usage warning right off the get go.