On my Rpi 2 it's working fine with skin aeon nox silvo but I only see 2 controls with estuary skin..that s the one you r using..from your screenshot..Libreelec on Rpi...h265 videos where unplayable 2 years ago but now they done a huge inroad and plays flawlessly..
You say that Rpi2 can do H.265 in software decoding? *wow*...
Play,pause,rewind,ff they all work on mine...try to post the unwatchable sample and i ll try again..
I a few minutes ago edited my earlier post containing the links, file is back there. Or here