Try to edit guisettings.xml
ssh
systemctl stop kodi.serviceedit line 321 in /storage/.kodi/userdata/guisettings.xml to 1920x1080@60hz
<setting id="videoscreen.screenmode">0192001080060.00000pstd</setting>ssh
systemctl start kodi.serviceNot tested but should work....take a guisettings.xml backup just in case.
Which games in particular did you try to play? NTSC or PAL games? I'm not that familiar with Retroplayer but it could be possible that NTSC games stutter at 50Hz Kodi refresh rate. Also it could be possible that something is wrong with the addon & pcsx_rearmed wasn't build with NEON support but then it would immediately stutter when you start the core is started and not even intro videos would run smooth.
The game in particular being tested was Tomb Raider...I gave it a go too myself and was glitchy (skipped frames)not sure how to descibe it..I tried the USA version assuming it is NTSC and did change to NTSC from PCSX addon settings but that didn't change anything....intro video ran fine tough if I remember well..
If not, is there another way to make analog audio via USB work?
Without dtparam=audio=on you will get a no soundcard detected message when you ssh aplay -l
Also with dtparam=audio=on you will get the old type audio alsa options in kodi audio settings where you choose hdmi vs analog which where removed for some reason with LE9..
I am assuming that while analog audio on rpi is
card 0: ALSA [bcm2835 ALSA], device 0: bcm2835 ALSA [bcm2835 ALSA]and hdmi audio is
card 0: ALSA [bcm2835 ALSA], device 1: bcm2835 IEC958/HDMI [bcm2835 IEC958/HDMI]there is a big possibility that your device will be listed as card 1 device 0
card 1: Device [USB PnP Sound], device 0: USBSo in retroarch audio settings-audio device enter
hw:1,0and that should output the RA audio to your card
Yes, that looks to be the only option that works. It's a shame that it's not integrated with Kodi but runs as a separate environment, but at least it works. I did find the framecounter option and turned it off, not sure why it was on.
I have since found out that I do have audio, but only via the HDMI interface to the TV, not via the USB sound blaster (ish thingy) plugged into my pi. Will this setting solve that? If not, is there another way to make analog audio via USB work?
you ll need to add audio device output to retroarch audio device..
config.txt
dtparam=audio=onssh
aplay -lNote which is your usb audio device number..
Should look something like this
card 0: HDMI [HDA Intel HDMI], device 3: HDMI 0 [HDMI 0]
Enter that into Settings->Audio->Audio device in the retroarch GUI
like this "hw:0,3" without the "
Stick with RA for now...
Frame counter you can just disable from RA settings menu.
For audio to work with RA
add this to config.txt
dtparam=audio=onThanks...done it here too...wasn't sure if it was still an issue...but it was and now is working fine..
Don't worry regarding OpenGL...probably that is an issue only concerning retroplayer....use Gamestarter and you r sorted...and to put your mind at rest yesterday I tried Tombraider on retroarch and it works flawless..
Good point. frankvw was talking about Tombraider, which is an OpenGL game. Maybe only the non-GL PS1 games run smooth on LE.
I would try dual boot with a gaming OS as workaround.
No need of dual boot...there are good options out there if you want to keep LE as main OS while enjoying good old games...
And Tombraider works fine there..
Multithreading would be great, but I understand how serious a job that is. That said, Mario77 has it running fine on his RPi2 so there must be something wrong with my install or settings. Any suggestion on how to debug, what to finetune and/or change would be appreciated!
I haven't tried RetroPi because I only have one Pi and it's pretty much on 24/7 duty running Kodi. If I take it down to tinker with it for a few hours I'll have a domestic uproar on my hands.
Just out of curiosity I just tried pcsx rearmed with retroplayer just to test...while I can now understand what you mean regarding glitches and stutters...it was bit better when I copied the bios but still not good..but this is not a Rpi issue or that a rpi is not powerful enough as I don't get this with my normal setup of Gamestarter addons running roms with retroarch..
Saying this I only saw tiny glitches nothing major....not lagging or halting...just looked like skipped frames once in a while probably display sync issues.
I'm using Retroarch from here
I had those same errors you got there on my Rpi3 with 9.1.002..still not sure what happened..
The rpi is obviously oomphy enough to run PS1 roms easily without any issues so probably something is not right in your setup and while getting the right BIOS for your roms help for smoother emulation I don't think that s the issue..
I m assuming you r running your roms with retroplayer....did you try a retroarch version for LibreElec see how it goes?I d suggest you try the BiteYourIdols repo and try RetroArch from there...
While Retroplayer works and runs most of the roms just fine I had much better experience and better emulation...better quality graphics/picture/video...call it whatever with Retroarch..
May I ask what kind of performance issues are you having with PS1 emulation?It works fine on Rpi2..
Are you using the Libreelec Configuration addon to connect?
Configuration menu--stream menu---container....play with settings...probably this will involve transcoding the stream
How did you solve it? 
Probably the same to what happened to me but I got nothing attached as monitor...just a headless pi as server...works only with hdmi..
So probably if you remove the composite output you will have the same issue as when it is attached.
go to addondata folder and delete service.libreelec.settings and reboot..
Probably not the neatest way of fixing it but should work..
