Yes, they are all identically encoded .mts 1080p files from the same home camera.
But being Enable Debugging is missing, I would be tempted to back up settings and re-image osmc to sdcard and see if the issue persists.
Thanks, this got me thinking. Re-imaging would be drastic, so for starters I renamed the .kodi folder, rebooted, and after recreation of that folder Enabled logging was there. With just the OSMC Skin I re-added my home movies and the issue is gone. So it is not related to a big movie set or OSMC itself.
Further analysis, for those interested
I use skin Eminence 2 MOD, which in turn installs service addons Skin Helper Service and Skin Helper Widgets. Now debug logging is working the log is riddled with below messages (multiple per second, for hours on end). Guess that explains the delays.
I assume it tries to build some sort of internal list when entering a movie set or screen, but it takes for ever to do so. Of course you leave and reenter that screen multiple times and each time it adds that list creation activity to a queue.
14:56:10.756 T:1745245168 DEBUG: Skin Helper Service → Kodi_Monitor: sender xbmc - method: Playlist.OnAdd - data: {“item”:{“id”:1,“type”:“movie”},“playlistid”:1,“position”:0}
14:56:10.756 T:1745245168 DEBUG: Skin Helper Service → Kodi_Monitor: sender xbmc - method: Playlist.OnAdd - data: {“item”:{“id”:2,“type”:“movie”},“playlistid”:1,“position”:1}
14:56:10.757 T:1745245168 DEBUG: Skin Helper Service → Kodi_Monitor: sender xbmc - method: Playlist.OnAdd - data: {“item”:{“id”:3,“type”:“movie”},“playlistid”:1,“position”:2}
14:56:10.757 T:1745245168 DEBUG: Skin Helper Service → Kodi_Monitor: sender xbmc - method: Playlist.OnAdd - data: {“item”:{“id”:4,“type”:“movie”},“playlistid”:1,“position”:3}
14:56:10.758 T:1745245168 DEBUG: Skin Helper Service → Kodi_Monitor: sender xbmc - method: Playlist.OnAdd - data: {“item”:{“id”:5,“type”:“movie”},“playlistid”:1,“position”:4}
14:56:10.758 T:1745245168 DEBUG: Skin Helper Service → Kodi_Monitor: sender xbmc - method: Playlist.OnAdd - data: {“item”:{“id”:6,“type”:“movie”},“playlistid”:1,“position”:5}
… and 1000s of these more
Here an example for the same ID with a lot of minutes in between. And both for the Skin Helper Server and for the Skin Helper Widgets:
14:58:36.836 T:1745245168 DEBUG: Skin Helper Service → Kodi_Monitor: sender xbmc - method: Playlist.OnAdd - data: {“item”:{“id”:1041,“type”:“movie”},“playlistid”:1,“position”:1040}
15:00:29.775 T:1736856560 DEBUG: Skin Helper Widgets → Kodi_Monitor: sender xbmc - method: Playlist.OnAdd - data: {“item”:{“id”:1041,“type”:“movie”},“playlistid”:1,“position”:1040}
15:02:09.004 T:1745245168 DEBUG: Skin Helper Service → Kodi_Monitor: sender xbmc - method: Playlist.OnAdd - data: {“item”:{“id”:1041,“type”:“movie”},“playlistid”:1,“position”:1040}
15:03:10.658 T:1745245168 DEBUG: Skin Helper Service → Kodi_Monitor: sender xbmc - method: Playlist.OnAdd - data: {“item”:{“id”:1041,“type”:“movie”},“playlistid”:1,“position”:1040}