Figure 15-1 shows a DMX Console window; note that there are inaccessible
areas in this Xinerama configuration.
There are several things to keep in mind when configuring DMX:
??? Performance will be degraded by the simple fact that multiple X servers will be
processing the command and reply streams and the amount of network traffic
that will be generated.
15.12
15.12 Creating a Video Wall 235
??? Xvideo and XVideo-MotionCompensation extensions will not be available
through DMX. Video and animation will have to be drawn using traditional X
operations or through the RENDER extension. If you??™re using mplayer, this can
be configured using the -vo x11 option.
??? GLX is available through DMX if all of the backend displays support it.
??? DRI will not be available.
There is a graphical configuration tool that is shipped with Xdmx
named xdmxconfig, but the configuration files generated by that program
may need editing before they are used. Specifically, some versions
will insert slash characters which the Xdmx server will parse
incorrectly. Deleting the slashes will clear up the problem.
Figure 15-1. DMX Console for keyboard and mouse input
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