apt-get install mafw-gst-renderer mp-fremantle-generic-pr

This command is giving me this error--

home/user # apt-get install mafw-gst-renderer mp-fremantle-generic-pr
Reading package lists... Done
Building dependency tree
Reading state information... Done
mafw-gst-renderer is already the newest version.
E: Couldn't find package mp-fremantle-generic-pr
/home/user #