[CentOS] Unable to write video dvd using k3b

Hi,

  I download dvd movie files from torrent.It is like below

-rw-r--r-- 1 root root 1048614912 2008-07-24 16:49 VTS_01_1.VOB
-rw-r--r-- 1 root root  538210304 2008-07-24 16:52  VTS_01_2.VOB

File command on above giving the below ouput.

file VTS_01_1.VOB
VTS_01_1.VOB: MPEG sequence, v2, program multiplex

file VTS_01_2.VOB
VTS_01_2.VOB: MPEG sequence, v2, program multiplex

 When i opened any of the above files using vlc or kaffeine it is playing
the movie properly.But when i try to create the video dvd file onto my dvd
using k3b its giving error "Not able to find DVD format".

 Plz help me how to write this into dvd to watch this movie in normal dvd
player.

Regards
LINGU
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