Austin officials have proposed a program that could subsidize a small portion of filmmakers' payrolls, and city leaders will likely get a clear look at it May 1. The program is intended to help Austin — and Texas — lure more productions for television shows, movies and even video games. Louisiana and New Mexico, in many circles, have a reputation for being more film-friendly. Under the proposal, the city would offer eligible productions a cash grant of up to 0.75 percent of local wages paid.…