problem inserting video in impress

English
, ,
#1

when I want to insert a mp4 video clip in whichever slide, a big question point always appears and the video is not shown

why impress doesn't accept mp4 video?
#2

Impressum (Legal Info) | Datenschutzerklärung (Privacy Policy)   Content on this site is licensed under a Creative Commons Attribution Share Alike 3.0 license.