Hallo sigi234,
der Datenpunkt VideoLibrary (übrigens doch nicht unter "systeminfo", was aber letztendlich keine Rolle spielt)

beinhaltet folgende Daten (Beispiel-Import mit 2 Datensätzen aus Kodi):
{"limits":{"end":2,"start":0,"total":2},"movies":[{"director":["Max Mustermann"],"file":"D:\\Video\\Testfilm-Eins\\Testfilm-1.mkv","genre":["Sport"],"label":"Testfilm 1","lastplayed":"","movieid":51,"originaltitle":"Test One","playcount":0,"plot":"Text Filmbeschreibung","rating":8.0,"runtime":9010,"tagline":"","thumbnail":"image://D%3a%5cVideo%5cTestfilm-Eins%5cTestfilm-Eins-poster.jpg/","title":"Testfilm","year":2018},{"director":["Erika Mustermann"],"file":"D:\\Video\\Testfilm-Zwei\\Testfilm-2.mkv","genre":["Action"],"label":"Testfilm 2","lastplayed":"","movieid":46,"originaltitle":"Test 2","playcount":0,"plot":"Text Filmbeschreibung","rating":9.0,"runtime":7320,"tagline":"","thumbnail":"image://D%3a%5cVideo%5cTestfilm-Zwei%5cTestfilm-Zwei-poster.jpg/","title":"Testfilm 2","year":2018}]}
Ändere ich dies manuell ab, indem ich den Teil vor der ersten eckigen Klammer und die letzte geschweifte Klammer entferne, und somit nur noch folgender Inhalt zu diesem DP gehört,
[{"director":["Max Mustermann"],"file":"D:\\Video\\Testfilm-Eins\\Testfilm-1.mkv","genre":["Sport"],"label":"Testfilm 1","lastplayed":"","movieid":51,"originaltitle":"Test One","playcount":0,"plot":"Text Filmbeschreibung","rating":8.0,"runtime":9010,"tagline":"","thumbnail":"image://D%3a%5cVideo%5cTestfilm-Eins%5cTestfilm-Eins-poster.jpg/","title":"Testfilm","year":2018},{"director":["Erika Mustermann"],"file":"D:\\Video\\Testfilm-Zwei\\Testfilm-2.mkv","genre":["Action"],"label":"Testfilm 2","lastplayed":"","movieid":46,"originaltitle":"Test 2","playcount":0,"plot":"Text Filmbeschreibung","rating":9.0,"runtime":7320,"tagline":"","thumbnail":"image://D%3a%5cVideo%5cTestfilm-Zwei%5cTestfilm-Zwei-poster.jpg/","title":"Testfilm 2","year":2018}]
so funktioniert dann auch die Nutzung des JSON-Widgets, um sich die gewünschten Daten anzeigen zu lassen.