This package is deemed to support both media-video/ffmpeg and media-video/libav. Please move it to depend on virtual/ffmpeg. Thanks
+ 08 Jul 2011; Samuli Suominen <ssuominen@gentoo.org> dvdrip-0.98.11.ebuild, + dvdrip-0.98.11-r1.ebuild: + Use virtual/ffmpeg wrt #362127 by Tomáš Chvátal