Video Uploading Problem

[eluser]newbie boy[/eluser]
i also put this code...

Code:

AddType video/mp4 .mp4

to the htaccess...

but still this error...

The file type you are attempting to upload is not allowed.

hope you could help me guys...

thanks...

[eluser]newbie boy[/eluser]
it plays...

but it won't upload into my site...