On Sat, 12 Oct 2002, Ronald Chan wrote:

> anyone from you guy's know why is it a DVD rom can't 
> read a dvd disk while an 
> ordinary CD it's fine

If you are saying that the DVD drive attached to your PC
can play certain DVD roms but not other DVD roms, then
it could be that the DVD rom is not the proper "region"
for your drive. Region encoding is an artificial restriction
enforced by the video industry to prevent piracy.  Personally
I do not like this artificial restriction, but it exists.

For more info about region codes, please see the following URL:
http://www.psreporter.com/dvd_region_codes.html

Fortunately, Linux DVD players can now use libraries that
treat the DVD player as a block device without having to bother
about decrypting the region encoding.  One such library is the
libdvdcss:

http://www.videolan.org/libdvdcss/

which can now be used with popular multimedia players like
xine:

http://xine.sourceforge.net/

Xine can use the xine-dvdnav plugin, which makes xine a very nice
DVD player:

http://dvd.sourceforge.net/xine-dvdnav.shtml

The dvdnav plugin uses the dvdread library:

http://www.dtek.chalmers.se/groups/dvd/dist/libdvdread-0.9.3.tar.gz

which in turn can use the libdvdcss library mentioned above.
You will notice that I gave you all the URLs because the idea is,
if you can't get the proper xine DVD player as an rpm from
RedHat 8.0, you can always build your own from the original 
source codes.  And when you succeed, you can always report to 
this list what you did, and help those of us with the same 
problems.

PMana

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