bidi - fribidi support, for languages, written from right to left
debug - Enable extra debug codepaths, like asserts and extra output. If you want to get meaningful backtraces see https://wiki.gentoo.org/wiki/Project:Quality_Assurance/Backtraces
demoplugins - Install demo and example plugins coming with vanilla vdr
keyboard - enable keyboard support as remote device
menuorg - Enables support for the media-plugins/vdr-menuorg
naludump - Removes NALU fill data from h.264-Streams of TS files
permashift - permanent timeshift by recording live TV into RAM, need plugin media-plugins/vdr-permashift
vanilla - Do not add extra patches which change default behaviour; DO NOT USE THIS ON A GLOBAL SCALE as the severity of the meaning changes drastically