libass: libass (Subtitle renderer for the ASS/SSA) libass: libass: libass is a portable subtitle renderer for the ASS/SSA (Advanced libass: Substation Alpha/Substation Alpha) subtitle format. It is mostly libass: compatible with VSFilter. libass: libass: Homepage: http://code.google.com/p/libass/ libass: libass: libass: libass: