Macrovision type anti-piracy strategies are only available on Replicated disks. This means you have to send it out to a vendor, pay a fee and have a serious number of disks made.
And, as been said by Brian, if someone wants to copy it, they can find a way around it.
Get used to the wild world where everything is expected to be free and intellectual property rights is a concept that only seems relevant when it's 'your' stuff at risk.
You can do your part by not using any music to which you don't have the mechanical and sync rights, have model releases/contracts for all appropriate people and secured the rights to use any copywrited logos, brands etc in the film.
I'm sure you've done all that.
Good luck.
x