Dont you bet on it! The council will line their own pockets before putting money into a community pool. The pressure needs to be kept up.
On the issue of the Rivoli, that was only saved by the skin of it's teeth.
If a cinema is important and you believe there to be a need, why not try starting a 'film club'. Perhaps upstairs in the Hob? Does Forest Hill Library have a large room that can be rented? If this proves a succuss, you have some real ammunition to get a bigger financial backer interested. That's how business works!