<div dir="ltr"><div dir="ltr"><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Aug 28, 2020 at 10:47 AM Greg Woods <<a href="mailto:greg@gregandeva.net">greg@gregandeva.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div dir="ltr"><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Aug 28, 2020 at 5:23 AM Jim Abernathy <<a href="mailto:jfabernathy@gmail.com" target="_blank">jfabernathy@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
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<div>I have tried just about every combination, but best results seem
to be with standard, 4 CPUs, OpenGL decode and deinterlacers. </div></div></blockquote><div><br></div><div>I too had an issue with jerky playback on v31 using a Pi 4. My wife said it was OK to her, but it actually made me start to feel a little nauseous after a few minutes of trying to watch a hockey game.</div><div><br></div><div>Then I found this: <a href="https://www.mythtv.org/wiki/Raspberry_Pi#RPi4_Specific" target="_blank">https://www.mythtv.org/wiki/Raspberry_Pi#RPi4_Specific</a></div><div><br></div><div>It uses "MMAL" as decoder; I have no idea what that means, but when I followed the directions here to set up a new playback profile and set Mythfrontend to use it, it now works flawlessly with no jerkiness.</div><div><br></div><div>--Greg</div></div></div></blockquote><div><br></div><div>Greg,</div><div><br></div><div>Those are the settings I'm using and for most things it's fine. There are some scenes like a headshot where the guy shakes his head and it looks like some frames were skipped. Minor annoyances. I have test watched an NHL hockey game recently and it was not bad, but after a few minutes I switched back to my Shield TV to watch it remotely from the RPI4 backend.</div><div><br></div><div>Jim A</div><div> </div></div></div>