Hi. I ripped and encoded a new DVD, “Frenzy,” a Hitchcock thriller. Playback on my Roku Ultra box is now heavily pixelated at the point at which I start or restart the movie. The pixelation eventually goes away (several minutes). The previous issue of audio stutter and video tearing is not evident.
Playback of the mkv and m4v files on my MacBook Pro using VLC is perfect. I’m able to play the content from the Synology server to my MacBook Pro just fine (both file types, mkv and m4v). The content streams from the Synology server to the Plex app on my iPad just fine.
So the problem seems to be related to (and limited to) Plex playing on the Roku Ultra box. I just updated the Roku Ultra software from 9.1.0.4919 to 9.2.0.4115, but no change.
I’m sending you the zipped log files via private mail.
Thanks for your help!