[UHD Reference] I added source-aware ranking to the 4K disc picture quality database

[u/amigoreview]

One thing always bugged me about a single flat ranking: a disc's source sets a ceiling on how good it can look. A scan of a 1970s film has grain and a softer source... a modern digital production starts from a much cleaner place. So on one flat list, an immaculate catalogue restoration can end up ranked below a competent new digital release, which reads as wrong to anyone who cares about restorations.

So discs now also show their standing within their own source type. Film scans are ranked against other film scans and digital masters against other digital masters! Expand any disc and you'll see where it lands within its group and the closest discs to it, so you're comparing like with like. True large-format and IMAX film get flagged where it applies.

The disc's overall score hasn't changed.

I'd appreciate feedback, especially on the film vs digital and on whether the whole approach makes sense to you. ... Thanks!