Resize and compress images. If you want to speed up your images, you should always optimize your photos by resizing and compressing them.
Set image dimensions.
Serve images optimized for each device.
Lazy load your images.
Convert your images to WebP.
Use a caching plugin.
@asirome when FBNeo is b*mped, some roms maybe modified and the emulator itself runs differently. It may be possible that some games run slowly. Just check ur roms.
You're using a Pi3b, some games will run faster than others (for ex, CPS3 roms shall run slowly).
FIXED!!! thanks to toniosj, see the gitlab link at the beginning of this post.. but essentially it's due to my 4K tv and he had me change some setting in config.txt, so visit the gitlab issue for specifics
Edit your "config.txt" file on /boot folder:
-If you're using PuTTy use "mount -o remount,rw /boot" commmand.
-If you're using WinSCP open console (Ctrl + T), enter command "mount -o remount,rw /boot" and click Execute.
From this file search for hdmi_group and hdmi_mode and set both as following :
Don't forget to remove '#' char on those lines if present.
Not load of the system in background here 😕 . Right now I checked it again several times with same result. As example in the next case, if I set a custom video in folder bootvideos with this configuration in recalbox.conf
The system is delayed 30 seconds more in startup. The spashscreen with pacman and the load of emulationstation appears after the video is played.
As another option more:
If there doesn't seem to be a good solution soon, take into consideration to add optionally the core dosbox-X. It is a more advanced and vitaminate version of dosbox. https://dosbox-x.com/