Binary package “libvpx1-dbg” in ubuntu precise

VP8 video codec (debugging symbols)

 VP8 is an open video codec, originally developed by On2 and released
 as open source by Google Inc. It is the successor of the VP3 codec,
 on which the Theora codec was based.
 .
 Debugging symbols for the VPX library. This is
 needed to debug programs linked against libvpx1.