Comment 40 for bug 1816497

I just tried in X11. It seems to be working :)
Sadly, most videos in YouTube seem to be av1 so it took me a while to get a vp9 video, but that's another issue altogether.

Thanks!

LIBVA_MESSAGING_LEVEL=2 snap run chromium
/bin/bash: warning: setlocale: LC_ALL: cannot change locale (en_US.UTF-8)
Gtk-Message: 10:43:53.358: Failed to load module "appmenu-gtk-module"
Gtk-Message: 10:43:53.358: Failed to load module "appmenu-gtk-module"
Gtk-Message: 10:43:53.613: Failed to load module "canberra-gtk-module"
Gtk-Message: 10:43:53.638: Failed to load module "canberra-gtk-module"
libva info: VA-API version 1.7.0
libva info: Trying to open /snap/chromium/1163/usr/lib/x86_64-linux-gnu/dri/iHD_drv_video.so
libva info: Found init function __vaDriverInit_1_7
libva info: va_openDriver() returns 0
[19302:19302:0520/104355.042209:ERROR:sandbox_linux.cc(374)] InitializeSandbox() called with multiple threads in process gpu-process.
libva info: VA-API version 1.7.0
libva info: Trying to open /snap/chromium/1163/usr/lib/x86_64-linux-gnu/dri/iHD_drv_video.so
libva info: Found init function __vaDriverInit_1_7
libva info: va_openDriver() returns 0
[19157:19157:0520/104355.269741:ERROR:browser_switcher_service.cc(238)] XXX Init()