[MPlayer-users] vdpau/x11 broken OSD fonts when running on linux in windows virtualbox

[Reimar Döffinger]

> On 3 Dec 2021, at 11:53, Jan Spurný <JSpurny at seznam.cz> wrote:
> 
> I've encountered a problem when running mplayer in debian linux inside
> virtualbox hosted on windows (Host = windows, virtual machine = debian
> linux) - the OSD font gets "broken" so it's almost unreadable with vdpau 
> (default on that machine) and x11 outputs. It works with `gl`

As a first step, can you try with -vf ass,expand=osd=1
It is a bit strange since x11 and vdpau should be drawing the OSD in very different ways, so I don’t quite see how you’d get the same issue with both...