I'm a bit confused, did you seriously change the group of the entire /dev directory to "video"?
OpenBSD already has a group called "operator" that users can join, this action was entirely unnecessary.
$ sudo user mod -G operator zazen
Also, you always use the raw device node unless you're mounting..
/dev/rcd0c vs
/dev/cd0c.
Code:
crw-r----- 1 root operator 15, 2 May 8 13:15 /dev/rcd0c
Ogle is rather old these days, it doesn't look maintained.. have you considered Mplayer or VLC media?
Have fun...