HEVC Main 10 1080p Stuttering on Roku Ultra

[JuiceWSA]

Well - a ‘work-around’ has been discovered and I haven’t fine-tuned all it’s working bits just yet…:

Example of stuttering HEVC playback on Apple TV 4K

On My Roku Ultra - for the datapoint (for my own thread and for a ‘work-around’ test - @ljunkie may also find this interesting). I tried a Remux of my ‘Remux’ (Xmedia Recode -older version) and it did nothing - ALL these files are Remuxed with XR to MKV while converting the audio to AC3 5.1 and including the subs. I then re-acquired the original offender: Signs (2002) - and ran it through MKVToolNix V45.0 both with the subs and without, put 'em both in Other Videos and they both are stutter f…