It looks to me that you are installing the wrong dvdbackup. You are trying to install a 32-bit dvdbackup, with a 64-bit libdvdread. Should you not try to find a 64-bit dvdbackup?
I am not a 64-bit user, so this is speculation on my part.
I recommend you take some time and familiarize yourself with the main Packman site: PackMan :: home
Note on the Packman site, the tab for search, has an excellent internal search engine.
I also recommend you familiarize yourself with the webpin search engine: Webpin - openSUSE search engine
I personally do not use the webpin one-click install, but I do use (on an adhoc short term repos addition/removal basis) the repositories that it lists with various applications that I have located by searching.