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Intermittent bad picture quality and pixelation on Samsung 8000-series Plex app

On some (most, actually) video files playing from my Windows PMS setup to my Samsung TV (connected via gigabit ethernet to my router), I am getting a fair bit of pixelation every ~30 seconds or so. The problem does not occur in the source media, on my local/remote laptop using the web interface, on Android apps, or on Chromecast on the same TV. The files in question are doing Direct Play, and are far under the limit of the network connection (usually around 6mbps). I am posting here to hopefully get some insight as to what I can do to correct this problem, as using the Chromecast is more clunky than using the build-in app on the television. I have checked, and the TV and app are on the latest version, and I have updated PMS as well.

PMS: Version on Windows 10
App: Plex version 3.0.11 (3.1.0), Tizen version 2.4.0

XML of a file with the issue that can be used to debug: https://pastebin.com/5FvGGEBk
PMS logs from Samsung TV play above file (video quality issues): https://www.dropbox.com/s/5p1fu5k86nptd91/Plex_Samsung.txt?dl=0
PMS logs from Chromecast playing of same file (no video quality problems): https://pastebin.com/iMyiDC3N

Note that these issues do not occur every time on the same file, but they do occur most of the time (and never on Chromecast). I just want the TV app to work better, as the picture quality seems better since it doesn't need to transcode!


  • RumpenDumpenRumpenDumpen Posts: 1Members, Plex Pass Plex Pass


    I have exactly the same issue as JSKI. Jski did you get any help regarding this issue?

  • TMCCLUNGTMCCLUNG Posts: 3Members, Plex Pass Plex Pass

    Same issue here. Tried every setting and combination of settings on my TV. Every other device works fine.

  • chris.chiuchris.chiu Posts: 1Members

    Same problem here. Only started recently on my Samsung HU7500. Seems to occur whether it's direct play, streaming or transcoding to the TV only. Any response from Plex?

  • MrMcLargeHugeMrMcLargeHuge Posts: 203Members, Plex Pass Plex Pass
    edited September 2017

    Same issue here. Picture degrades consistently until it's hard to even make out a person's face, then goes back to full quality and starts degrading again. This cycle repeats until the video finishes playing.

    My model is UN55JU6700, so not quite the same as the OP, but the same issue regardless. Never had an issue in the past 1.5 years.

    PMS: Custom FreeNAS (QuadCore Xeon, 16TB usable storage with RAIDZ2 double-redundancy)

    MacBook Pro

    iPhone SE


    Samsung UN55JU6700

    AppleTV 4K

  • arkadius.koziel@gmail.comarkadius.koziel@gmail.com Posts: 3Validating, Plex Pass Plex Pass

    I have same issue on tizen. Quality is much more better whEn i use CHromecast

  • raggzraggz Posts: 3Members, Plex Pass Plex Pass

    Same issue here on Samsung UE55JS8000. This started about 2-3 months ago or so.

  • arkadius.koziel@gmail.comarkadius.koziel@gmail.com Posts: 3Validating, Plex Pass Plex Pass

    Just checked the Plex on my XBOX One and I'm not happy with photo quality.
    I think playing locally 4k photos should be possible.

    Does anyone have any idea how this can be improved?

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