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MediaPortal 1
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Live TV stutter/discontinuities - usual fixes don't seem to apply
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<blockquote data-quote="fugufish" data-source="post: 1036859" data-attributes="member: 144545"><p>Hi,</p><p> </p><p>I'm having problems with stuttering/continuity errors during live TV - hoping someone can help.</p><p> </p><p>After doing some research on these forums and elsewhere and trying multiple things I think I can rule out rendering/playback issues. The stuttering seems to correspond to discontinuities which show up when I do <em>TV Server Config. > Manual Control > Start Timeshift. </em></p><p> </p><p>Disabling Windows Defender and Firewall, power saving options, and all unnecessary background tasks makes no difference. Nor does changing the location of the timeshifting folder (from my HDD to my SSD).</p><p> </p><p>Most channels have moderate signal strength and high signal quality (reportedly, at least) so it seems the problem could be due to a bad signal. However, two things suggest that this is probably not the case (to my mind at least):</p><p> </p><p>(1) Live TV does not stutter in WinFast PVR2, the software that came with my TV Tuner (Leadtek DTV 2000 DS Plus) (except when reception is very poor).</p><p>(2) Changing the channel multiple times (usually 4 or 5) fixes the stuttering (and continuity errors) on all channels (with decent reported reception). Not sure if the stuttering eventually returns - it doesn't seem to but I haven't been watching TV for hours. Restarting MP reintroduces the problem.</p><p> </p><p>Other things I've tried without success:</p><p>- Windows 8.1 upgrade</p><p>- clean install</p><p>- running LatencyMon (lots of hard pagefaults which seem to be caused by Windows Defender)</p><p>- NextPVR (even worse: stuttering and freezing)</p><p>- Microsoft Loopback Adapter (didn't seem to help)</p><p> </p><p>My computer is new and built for gaming so I take it it shouldn't have any trouble handling timeshifting etc. (unless something is faulty, which is possible - computer has been stable so far, though).</p><p> </p><p>In sum: I'm stumped. Any suggestions?*</p><p> </p><p>Thanks in advance for your help.</p><p> </p><p> </p><p>*<em>I have attached the logs which were generated while reproducing the problem. Here's what I did:</em></p><p><em>- loaded MediaPortal and started watching TV</em></p><p><em>- stutter as usual so I changed the channel a few times until it stopped</em></p><p><em>- returned to original channel for a short time to see if stutter was gone - it was</em></p><p><em>- closed MediaPortal.</em></p><p> </p><p> </p><p> </p><p> </p><p><em> </em></p></blockquote><p></p>
[QUOTE="fugufish, post: 1036859, member: 144545"] Hi, I'm having problems with stuttering/continuity errors during live TV - hoping someone can help. After doing some research on these forums and elsewhere and trying multiple things I think I can rule out rendering/playback issues. The stuttering seems to correspond to discontinuities which show up when I do [I]TV Server Config. > Manual Control > Start Timeshift. [/I] Disabling Windows Defender and Firewall, power saving options, and all unnecessary background tasks makes no difference. Nor does changing the location of the timeshifting folder (from my HDD to my SSD). Most channels have moderate signal strength and high signal quality (reportedly, at least) so it seems the problem could be due to a bad signal. However, two things suggest that this is probably not the case (to my mind at least): (1) Live TV does not stutter in WinFast PVR2, the software that came with my TV Tuner (Leadtek DTV 2000 DS Plus) (except when reception is very poor). (2) Changing the channel multiple times (usually 4 or 5) fixes the stuttering (and continuity errors) on all channels (with decent reported reception). Not sure if the stuttering eventually returns - it doesn't seem to but I haven't been watching TV for hours. Restarting MP reintroduces the problem. Other things I've tried without success: - Windows 8.1 upgrade - clean install - running LatencyMon (lots of hard pagefaults which seem to be caused by Windows Defender) - NextPVR (even worse: stuttering and freezing) - Microsoft Loopback Adapter (didn't seem to help) My computer is new and built for gaming so I take it it shouldn't have any trouble handling timeshifting etc. (unless something is faulty, which is possible - computer has been stable so far, though). In sum: I'm stumped. Any suggestions?* Thanks in advance for your help. *[I]I have attached the logs which were generated while reproducing the problem. Here's what I did: - loaded MediaPortal and started watching TV - stutter as usual so I changed the channel a few times until it stopped - returned to original channel for a short time to see if stutter was gone - it was - closed MediaPortal.[/I] [I] [/I] [/QUOTE]
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