$ sudo apt-get update
$ sudo apt-get install mesa-vdpau-drivers 

mesa-vdpau-drivers is installed in your system.

Make ensure the mesa-vdpau-drivers package were installed using the commands given below,

$ sudo dpkg-query -l | grep mesa-vdpau-drivers *

You will get with mesa-vdpau-drivers package name, version, architecture and description in a table

mesa-vdpau-drivers package basic information: