Macos: I cannot play video on Chrome

It looks like an OS issue.

I can get the video to render in Macos Sierra (Cf comment in #32 (closed) )

the output of chrome://gpu is the only info. I can get now

Working setup	Non-working setup
Hardware Protected Video Decode: Unavailable	Hardware Protected Video Decode: Hardware accelerated
Viz Hit-test Surface Layer: Disabled	Viz Hit-test Surface Layer: Enabled