add VA-API drivers
Use the same strategy as the gnome platform snap does: https://github.com/ubuntu/gnome-sdk/blob/gnome-3-38-2004/snapcraft.yaml#L148
I believe this is also necessary for kdenlive to support HW-accelerated encoding via VA-API.
Use the same strategy as the gnome platform snap does: https://github.com/ubuntu/gnome-sdk/blob/gnome-3-38-2004/snapcraft.yaml#L148
I believe this is also necessary for kdenlive to support HW-accelerated encoding via VA-API.