In Kubuntu™ you can use Dragon Player to play both video and audio files. To play video files:
Procedure 1. Odprite datoteke v upravljalniku datotek
Open the Dolphin file manager.
Poiščite video datoteko.
Click on the file name to open it with the default video player (Dragon Player).
Procedure 2. Odprite datoteko v predvajalniku Dragon Player
Open Dragon Player; → → →
Kliknite na gumb Predvajaj datoteko ali pritisnite Ctrl+O
Poiščite želeno datoteko in kliknite Odpri