-Depends: xvfb, xfonts-base, dvdauthor, mjpegtools, netpbm, ${shlibs:Depends}, ${mozilla:Depends}
-Recommends: mkisofs
+Depends: xvfb, dvdauthor, ffmpeg | mjpegtools, ffmpeg | netpbm, ${shlibs:Depends}, ${mozilla:Depends}
+Recommends: mkisofs, xfonts-base