Roku Live TV Playback/Allow MPEG2 results in pixelation/artifacts

Plex Players Streaming Devices
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As stated in the subject line, when I am watching Live TV on Roku devices and try to direct stream them with “Allow MPEG2” setting checked, I get heavy pixelation & artifacting during certain shows. I attached a screenshot & video sample showing what I’m talking about. This has been going on for a long time. I rectify it by unchecking “Allow MPEG2” which forces the server to Transcode. (Not a huge issue, just would like to direct play/stream when possible)

The artifacting does not show up on other clients or the actual recording. Is this a limitation on the Roku? I believed I ruled out Wifi as being a source of the issue as one of the Roku’s is really close to the access point and I have no issues with other clients over Wifi. I’ve also played higher bitrate Bluray rips with no issues. Is anyone else seeing this? I created a post a while back regarding the same issue and didn’t get any response. I can upload logs if needed.

IMG_20200413_104212
IMG_20200413_104212816×612 250 KB

Server Version#: 1.19.1.2645
Player Version#: 6.5.2 Roku Preview Channel (Roku Streaming Stick+)
Attachments.zip (6.2 MB)

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Yes, I beleive this is a Roku issue, specifically with interlaced MPEG2.

We have a Roku TV downstairs and do not have this issue, but I have to disallow MPEG2 on our 2 Stream Sticks upstairs as they will do this when playing a channel or recording that is 1080i MPEG2.

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