fn from_pathurl(url: &str) -> String
file://localhost/C:/a%20b/v.mp4 → C:\a b\v.mp4; file://nas/share/v.mp4 → \\nas\share\v.mp4.
file://localhost/C:/a%20b/v.mp4
C:\a b\v.mp4
file://nas/share/v.mp4
\\nas\share\v.mp4