The version of undvd in the tree is a bit outdated. There have been a number of releases since 0.4.2, I'm attaching the ebuilds to this bug report.
Created attachment 165290 [details] undvd-0.4.3.ebuild
Created attachment 165291 [details] undvd-0.5.0.ebuild
Created attachment 165292 [details] undvd-0.5.1.ebuild
Created attachment 165294 [details] undvd-0.5.2.ebuild
Created attachment 165295 [details] undvd-0.6.0.ebuild
Created attachment 165297 [details] undvd-0.4.4.ebuild
*** Bug 236541 has been marked as a duplicate of this bug. ***
now added, sorry for the delay.