Subtitles border outlining sometimes lasts >100ms. I prepared build with disabled border outlining.
I've just tested it. I see definitely less stuttering but for the most part it's sadly still occurs.
Posts by avirex
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srt subs are the most basic of basic for subs....you shouldn't really be having problems with srt...if its was ass..then yea I could see it
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Update in #1. Improved rendering timing to eliminate subtitle issue.
Sadly no improvement with srt ( muxed or external ) subtitles. Used my previous sample.
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I'll try my luck with a Vero 4k (the only disadvantage I see so far is the missing GB-Ethernet) - I'll let you know how it works out...
That would be nice. Please let me know your results. Thx
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To conclude my experiences with my Minix U9-H
The stuttering is not always equally bad or noticeable. You won't notice it as much in dialogue pieces, but in action sequences it's sometimes really annoying. Maybe I'm just to sensitive...
Exactly the same here.
I've even found already a buyer but try to stall time while trying to find an alternative S905x box that can play 4k hdr with auto switch features like this Minix without the need of extra cooling but fail to find any so far. Fact is the Minix U9 is really a nice piece of hardware
I wish the stuttering could somehow solved
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Guys please. I guess a few off topic comments are fine but this is really already too much.
So back to the topic !
@ afl1/kszaq what about the fact that the stuttering is gone as long you have the advanced codecinfo on sreen ? Did you try it ? Please do if you don't belive it. It should lead to some workaround at least. Like enabling it but yet somehow not displaying anything from the codecinfo if you get what I mean.
Please take a look !
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For now there is only solution replace S912 box with S905 box.
Would an S905(x) work too ? Or is the issue only fixed for S905 ? The thing is that I need HDR and if I'm not mistaken I need at least an S905(x) for that. Can you please answer that so I can start digging for a specific model.
Thank you
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I'm no developer and I don't wan't to tell you guys how to do the coding but isn't it possible to just pass the subtitle to the CPU for software rendering ? 8 cores should be enough for that I guess.
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Time to sell then...
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For now
I understand that you guys do this for free and I'm really appreciate it so it's just a question and I don't want to sound unpatient or something.
Does "For now" means that you will continue to work to solve this specific issue for the S912 or that would rather mean the issue may be solved in the not so near future ?
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Finally I have got the subtitle rendering issue evidence. Responsible for this issue is libhybris. Swapping buffers in rendering takes ages >36ms.
I'm so glad you have found evidence for the issue. Does this mean you don't need a debug log anymore ? I didn't had much time yesturday ( and now I'm at work ) but I was able to test your latest ( 8.90.6 ) buld for the s912 and I can say with confidence that the stuttering is still present with subtitles enabled. It doesn't matter if its embedded or external srt. I've used the same scene as it's the sample in #1. But this time double checked with both ( mkv) remuxes from the BD and UHD-BD. Same result.
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Subtitle rendering issue is presented only in LE 9.0 for S912. It looks like issue with libhybris. In log I see lost of control for >100ms. I'll try to collect more precise debug information. Zero skips for testing video played by LE 9.0 S905.
Thank you mate. It's nice to see some light at the end of the tunnel
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In my latest test build LE 9.0 aren't any frames skips for subtitles:
LibreELEC-S905.arm-8.90.5-12-gf54f8c3-K.tar
I tested it with video form #1.
I wish I could confirm that but I had other results. With 8.90.5 I still have stuttering on my Minix S912. No idea why the log doesn't show it but I see a few dropped frames and as it seems I'm not the only one. Some are sensitive and others not at all. I belive my eyes only.
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Erm I may have used the wrong words. Sorry english is not my native language. With should I've meant that it's something that LE needs to do if we want a fix.
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Hopefully it can be fixed and we don't have to sell this otherwise superb box.
The kodi developer peak3d reopened my bug report after giving him some additional info in their forum but he wrote basically that the fix should come from LE.
"Can you pls. ask in LE Forum how to set the GPU Governor and set it to something High like Perfrmance? From what you tell it seems that waking up GPU clock could lead to the issues.
kszaq should be able to track the issue, 80% of the log lines in your log are not vanilla kodi, so he's playing around there. If he modifies the code, he should be able to support this issue."
I'm not a developer but isn't somehow the fact helpfull to solve the issue that the stuttering vanishes as long you have codecinfo (PlayerDebug) on screen ?
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Yeah some videos isn't really good source here. If the scene doesn't have a lot of movement when the sub is displayed you won't likely notice it. That's why I've uploaded the sample. It should be easy to notice there.
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The sample isn´t running smooth kodi
Crosscheck: VLC and MPC -> better
Internal KODI videoplayer don´t like this kind of rendered subtitles
Next step:
I will mux subtitles to a video which is playing smooth with .srt
I'm looking forward for your results as for me it did stutter just as much when I used external .srt for the sample. ( Even remuxed it fisrt so it doesn't contain the subtitle )
P.S : I've discovered the weirdest thing ever !!!
As soon as I bring up the codecinfo ( the one where you can see the number of dropped and skipped frames etc. ) the stuttering stops !
I've tested it like 5 times with the same results.
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1. Vorke Z6 S912 3/32 Gb - Pioneer SC-LX501 - Sony KD-55xd8505 TV(4k HDR) - LE 8.2 for S912(Version 8.2.0.1)
2. Beelink mini mxiii-ii S905X 2/16 Gb - Yamaha RX-V467 - Samsung FHD TV - LE 8.2 for S905(Version 8.2.0.1)
Codec info reports 0 drops
But ... Your sample doesn´t use external subtitles.
Could You try .srt ?
Will try when I'm home. Despite the fact that codec info doesn't show dropped frames did you SEE it with the muxed subtitles in my sample ?
