Steven Spielberg is heading to Austin, Texas, for this year’s South by Southwest as a keynote speaker for the festival’s landmark 40th anniversary . At SXSW , the storied filmmaker will discuss his legendary body of work — from “Jaws” and “E.T.” to the Indiana Jones and “Jurassic Park” movies to “Schindler’s List” and “Saving Private Ryan,” plus his upcoming event thriller, “Disclosure Day” — as well as the future of moviegoing, in a live episode of “The Big Picture” podcast with Sean Fennessey.