Libxv provides an x window system client interface to the xvideo extension to the x protocol.

the xvideo extension allows for accelerated drawing of videos. hardware adaptors are exposed to clients, which may draw in a number of colourspaces, including yuv.

more information about x.org can be found at:

this module can be found at git://anongit.freedesktop.org/git/xorg/lib/libxv