workaround for wayland

[spagoc]

Solves Issue #90. In wayland hypnotix now runs with:
$ GDK_BACKEND=x11 hypnotix

Explanation:
with "$ GDK_BACKEND=x11 hypnotix" hypnotix is forced to run in xwayland but when it launchs mpv this runs in Wayland and you get the error: "AttributeError: ‘GdkWaylandWindow’ object has no attribute ‘get_xid’". With "$ mpv -vo=x11 ..." mpv is forced to run in the x11 environment too.

[mtwebster]

I'm curious how does mpv normally decide which output driver to use on an x11 backend?

Looking at this:
https://github.com/mpv-player/mpv/blob/master/DOCS/man/vo.rst

they say x11 should not be used ordinarily. So will this option change how mpv behaves in pure x11 sessions? Meaning.. would it auto-select something better (vdpau?)

I just don't want to cause a regression in non-wayland sessions. Would it be better to check for our backend here and only add this if we're forcing x11 compatibility under wayland?

Thanks

[clefebvre]

This affects performance.

It's visible during playback and also warned by mpv:

[vo/x11] Warning: this legacy VO has bad performance. Consider fixing your graphics drivers, or not forcing the x11 VO.

Hypnotix also supports MPV options. Go to preferences -> MPV options and add vo=x11. Most people use X11 so the default shouldn't include this option.

[francoism90]

@clefebvre Most people are now moving to Wayland, is support for this planned?