libvpx: libvpx (VP8/VP9 video codec) libvpx: libvpx: VP8 is an open video codec, originally developed by On2 and released libvpx: as open source by Google Inc. It is the successor of the VP3 codec, libvpx: on which the Theora codec was based. libvpx: libvpx: VP9 is an open and royalty free video compression standard developed libvpx: by Google Inc and successor to VP8. libvpx: libvpx: Homepage: http://www.webmproject.org/ libvpx: