1) Install and execute "CompizConfig Settings Manager"(execute ccsm on the shell)
2) Visit general>compositing and remove !(class=Vlc) from "unredirect match" to solve the issue for VLC only
Or set "unredirect match" to "(all)" to solve the issue for every application.
This issue occurs with smplayer, VLC, and totem.
I found a workaround for this issue.
1) Install and execute "CompizConfig Settings Manager"(execute ccsm on the shell)
2) Visit general>compositing and remove !(class=Vlc) from "unredirect match" to solve the issue for VLC only
Or set "unredirect match" to "(all)" to solve the issue for every application.