[MPlayer-users] VobSub colors

[Rashkae]

Reimar Döffinger wrote:
> Hello,
> On Wed, Oct 31, 2007 at 06:43:14PM +0100, Nicolas George wrote:
>> How does mplayer decide the colors of VobSub images, if it does not have an
>> IFO file?
> 
> IIRC it uses a default palette, though that is irrelevant since your
> real question is something else ;-)
> 

Do you know off hand how I can customize the default palette for a vob 
file?  Do I create an ifo or or idx file?