Totem 0.13.0 cannot be compiled as it depends on glib 2.1 HEAD-branch. 0.12.1 seems to be the latest version that runs on gentoo at the moment.
Created attachment 6307 [details] Ebuild
I talked to hadess and the >=2.1 dep was a mistake and he told me he would put out a fixed version soon enough. 0.13.1 is here and available in portage.