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Jittery picture with Original Quality

EddieAEddieA Posts: 375Members ✭✭✭

I have an mkv video that when played at Original Quality is very jittery on the Roku. This is both with and without Allow Direct Stream. The only way to play this smoothly, is to drop the quality down a level, which I guess is then forcing a transcode.

The same file plays smoothly with VLC, and also with both the iOS app and the Windows Plex Media Player.

Here's the XML from the file in question:

<MediaContainer size="1" allowSync="1" identifier="com.plexapp.plugins.library" librarySectionID="5" librarySectionTitle="F1" librarySectionUUID="dec7388d-1a37-49cc-8ebb-ccd0b447c240" mediaTagPrefix="/system/bundle/media/flags/" mediaTagVersion="1509990188"><Video ratingKey="6539" key="/library/metadata/6539" guid="com.plexapp.agents.none://02706ad0635978842f6fd211790d23b9092bc6af?lang=xn" librarySectionID="5" librarySectionKey="/library/sections/5" type="movie" title="formula1.2017.brazilian.grand.prix.uncut.720p.hdtv.x264-grip" summary="" viewOffset="1527000" lastViewedAt="1510601731" year="2017" thumb="/library/metadata/6539/thumb/1510534049" art="/library/metadata/6539/art/1510534049" duration="15603200" originallyAvailableAt="2017-11-12" addedAt="1510534046" updatedAt="1510534049" createdAtAccuracy="epoch,local" createdAtTZOffset="0"><Media videoResolution="720" id="10484" duration="15603200" bitrate="3559" width="1280" height="720" aspectRatio="1.78" audioChannels="6" audioCodec="ac3" videoCodec="h264" container="mkv" videoProfile="high"><Part accessible="1" exists="1" id="10566" key="/library/parts/10566/1510473601/file.mkv" duration="15603200" file="/MyPool/F1 Grand Prix/formula1.2017.brazilian.grand.prix.uncut.720p.hdtv.x264-grip.mkv" size="6940999685" container="mkv" videoProfile="high"><Stream id="33960" streamType="1" default="1" codec="h264" index="0" bitrate="3175" language="English" languageCode="eng" bitDepth="8" chromaSubsampling="4:2:0" colorRange="tv" colorSpace="bt709" frameRate="50.000" hasScalingMatrix="0" height="720" level="41" profile="high" refFrames="5" scanType="progressive" width="1280"/><Stream id="33961" streamType="2" selected="1" default="1" codec="ac3" index="1" channels="6" bitrate="384" language="English" languageCode="eng" audioChannelLayout="5.1(side)" samplingRate="48000"/></Part></Media><Extras size="0">
</Extras></Video></MediaContainer>

Cheers.

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