Frames, don't come easy to Pi. So, here be a tutorial showing how to enable hardware acceleration on Raspberry Pi 4 running Ubuntu MATE, including system configuration change, kms and fkms 3D drivers, video memory splitting, individual tweaks for Firefox, Chromium and VLC, some other tips and tricks, and more. Tinkerers and Pi lovers, do read. https://www.dedoimedo.com/computers/rpi4-ubuntu-mate-hw-video-acceleration.html Cheers, Mrk