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I love Jellyfin. I did think these recommendations were a bit funny however since they were so off.
Maybe the recommendations need to also look at the movies mpaa rating? Like something PG shouldn't be recommended after watching an R and especially not vice versa.
I guess it becomes complex quickly if you want to add other rating systems to the mix.
How much content do you have? It can only do so much when the options are few lol
Just over 1000 fims
I actually saw A Boy and His Dog, and I’d categorize it as post-apocalyptic turbo-misogyny. The ’70s are a foreign country; they do things differently there.
Fun fact about A Boy and His Dog: it's one of the primary influences (actually probably THE primary influence) of the Fallout games and their setting. In that sense, much of it is a criticism of Cold War American culture. All of the horrible stuff done to women in that movie is not an endorsement of it, but more of a direct criticism of the underlying misogyny in American culture. Also, it's based on a Harlan Ellison novella. Or collection of them, rather.
Totally, I saw the fallout show and decided to re-watch a boy and his dog.
Huh. I saw cashback many years ago on tv or something but could never figure out the name even after a lot of googling. And here we are I've finally found it thanks to you. Maybe I'll give it another watch. For a long time I've thought about the thing of not looking at the clock when doing unpleasant activities. Thanks!
It's a pretty decent movie. Towards the end it kind of goes off the path it started on but otherwise a good watch.
Heh. Jellyfin sees "Inside Out" very differently than I did...
Hey, I've worked in the recommendations/similarity calculations. Could you post a screenshot of the detail page for Inside Out? I suspect your media doesn't have associated metadata (e.g. tmdb tags) that are used to power similarity calculations.
I'm not 100% sure what the detail page is but here is the page I see when selected.
I think I have Jellyfin mostly at the default setings, with one exception. I did change the name of the key for the rating variable in the metadata to be 'MPAA rating' instead of the default which I think was 'rating' before since I found it confusing. So if the current recommendation calculation is using that variable then I guess it would be null for all my media.
Also, here is the metadata jellyfin shows.
Inside Out (2015)
Container: mkv
Path: /mnt/ext4/film/film/Movies/Inside Out (2015).mkv
Size: 5022 MB
Subtitle
Title: Italiano Forced - Default - SUBRIP
Language: ita
Codec: SUBRIP
Default: Yes
Forced: Yes
External: No
Video
Title: Video 2160p - 4K - HEVC - HDR
Codec: HEVC
Profile: Main 10
Level: 150
Resolution: 3840x2160
Aspect ratio: 16:9
Interlaced: No
Framerate: 23.976025
Bitrate: 7401 kbps
Bit depth: 10 bit
Video range: HDR
Video range type: HDR10
DV title: DV Profile 8.1 (HDR10)
DV version major: 1
DV version minor: 0
DV profile: 8
DV level: 6
DV rpu preset flag: 1
DV el preset flag: 0
DV bl preset flag: 1
DV bl signal compatibility id: 1
Color space: bt2020nc
Color transfer: smpte2084
Color primaries: bt2020
Pixel format: yuv420p10le
Ref frames: 1
Audio
Title: Italiano AC-3 5.1 - Dolby Digital - Default
Language: ita
Codec: AC3
Layout: 5.1
Channels: 6 ch
Bitrate: 448 kbps
Sample rate: 48000 Hz
Default: Yes
Forced: No
External: No
Audio
Title: English AC-3 5.1 - Dolby Digital
Language: eng
Codec: AC3
Layout: 5.1
Channels: 6 ch
Bitrate: 640 kbps
Sample rate: 48000 Hz
Default: No
Forced: No
External: No
Subtitle
Title: English Forced - SUBRIP
Language: eng
Codec: SUBRIP
Default: No
Forced: No
External: No
Subtitle
Title: Italiano - SUBRIP
Language: ita
Codec: SUBRIP
Default: No
Forced: No
External: No
Subtitle
Title: English - SUBRIP
Language: eng
Codec: SUBRIP
Default: No
Forced: No
External: No
PS: I scrape my metadata from themoviedb.org in Kodi and then export that to an xml file of the same name, Jellyfin seems to find and use that.
https://github.com/jellyfin/jellyfin/blob/31aa44d23d12b5dbb5f9a131242cc82c9ef98f24/Emby.Server.Implementations/Data/SqliteItemRepository.cs#L2279 is what's discovering similar content. If the InheritedParentalRatingValue is considered zero, it's only going to match other content with the same value. Can you elaborate on "I did change the name of the key for the rating variable in the metadata to be ‘MPAA rating’ instead of the default which I think was ‘rating’ before since I found it confusing."? I suspect we're zeroing (ha ha) in on the problem.
Digging in a bit. It looks a bit different than I thought it did on my end.
I periodically use Kodi to backup my metadata to an NFO file. But I guess I forgot to script that and haven't actually done that in a while. When Kodi scrapes the metadata it preprends the mpaa value with the string MPAA Rated . I did this to make it more obvious if the rating was scraped correctly since I've seen kodi attempt to scrape before but then just record the value as null.
Inside Out didn't have an NFO that Jellyfin was reading from. But Jellyfin is set to scrape its own metadata from all avaliable sources. I just didn't enable it to write its own NFO file since I want the files that Kodi makes to take precidence and not be overwritten be Jellyfin. So for the case of insde out, it's pulling the correct rating without any changes. As seen in this desktop screenshot.
A Boy and His Dog, on the other hand does have a nfo from Kodi and it does have that MPAA rating on jellyfin with the prepended string as seen in this screenshot and in this bit from the nfo file.
A Boy and His Dog
A Boy and His Dog
6.300000
309
0
0
A young man and his telepathic dog wander a post-apocalyptic wasteland.
Set in the year 2024 in post-apocalyptic America, 18-year old Vic and his telepathic dog, Blood, are scavengers in the desolate wilderness ravaged by World War IV, where survivors must battle for food and shelter in the desert-like wasteland. Vic and Blood eke out a meager existence, foraging for food and fighting gangs of cutthroats.
A rather kinky tale of survival.
90
https://assets.fanart.tv/fanart/movies/4917/movieposter/a-boy-and-his-dog-5e3fe50ad3787.jpg
MPAA Rated R
Burning
버닝
7.400000
1440
0
0
Jong-su bumps into a girl who used to live in the same neighborhood, who asks him to look after her cat while she's on a trip to Africa. When back, she introduces Ben, a mysterious guy she met there, who confesses his secret hobby.
An aspiring writer goes to the airport to pick up a high school friend returning from a trip to Africa but is disheartened to see her with another man.
The truth is all in your head.
148
https://image.tmdb.org/t/p/original/kXiF80o74fE9gf3Utf9moAI7ar0.jpg
So I guess I have 2 questions.
Yes, modifying the value is going to break the mappings (see https://github.com/jellyfin/jellyfin/blob/master/Emby.Server.Implementations/Localization/Ratings/us.csv). Anywho, I think we've discovered the root of your problem. How you choose to rectify it I leave to you! Personally, I'd recommend suffixing your filenames with [tmdbid-123456] as per https://jellyfin.org/docs/general/server/media/movies/ and letting themoviedb.org handle it all for you.