Another thing to note. The stutter (every 5 seconds a freeze frame) is consistently reproduce-able on Gnome on Ubuntu 18.04 but when you switch to Unity there is no stutter the video at all. So suspect that Gnome could also be playing a part in this issue.
** Summary changed: - video lag + video lag - Every 5 seconds a freeze frame when playing video of any source -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1777238 Title: video lag - Every 5 seconds a freeze frame when playing video of any source To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1777238/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs