I just compiled MPlayer from source, and I am getting the following error when I type <<mplayer -dvd 1 -vo x11>>:

==========================================================================
*** Try to upgrade /home/lub997/.mplayer/codecs.conf from etc/codecs.conf
*** If it still does not work, read DOCS/codecs.html!
Cannot find codec for audio format 0x2000.
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vo: X11 running at 1024x768 with depth 16 and 16 bpp (":0" => local display)
==========================================================================
*** Try to upgrade /home/lub997/.mplayer/codecs.conf from etc/codecs.conf
*** If it still does not work, read DOCS/codecs.html!
Cannot find codec matching selected -vo and video format 0x10000002.
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This is a problem, since I don't have a file /etc/codecs.conf Codecs.conf doesn't even exist at all on my computer. I have all the codecs in the directory /usr/lib/extralite, and am using the configuration option <<--with-codecsdir=/usr/lib/extralite>>, so I don't have any idea what the problem could be.

Even though you told mplayer during configure to look for the codecs in /usr/lib/extralite, mplayer needs the codecs.conf file (in /etc and/or in ~/.mplayer).

A sample codecs.conf should reside in your mplayer source tree.

Did you unpack the codec(s) file(s) in /usr/lib/extralite _before_ you started the configure/make of mplayer??

Yes, I did unpack the codec files in /usr/lib/extralite before I started the configure/make of mplayer. And, no, there is not any sample codecs.conf file in the source tree. There is a file codecs.conf.txt in the source tree, but this is not an example codecs.conf file; it just tells the different things you can do with a codecs.conf file if you already have one, which I don't.

That is strange. Just looked and here is where it should be (source tree of MPlayer-1.0pre2) etc/codecs.conf.

I'm not sure if this file is made at compile time or already in the package, but if you want too I can mail you the one that's in my source tree (41,5kb). Mail your real e-mail address to me (I cannot attach files to this post).