"For this article you will need a recent NVidia graphics card, a
GeForce 8 or later and the closed source NVidia graphics drivers.
Recently NVidia added the Video Decode and Presentation API for
Unix (VDPAU) to allow the GPU on your graphics card to perform some
of the video stream decoding work.
"If you have the closed source NVidia drivers installed and
obtain MPlayer from its subversion repository then VDPAU will be
detected during ./configure. Once MPlayer is configured, compiled,
and installed, the main thing you might have to do is update your
~/.mplayer/codecs.conf file to tell MPlayer about the VDPAU