use rsmp4decrypt::Mp4Decryptor;
fn main() -> Result<(), Box<dyn std::error::Error>> {
let decryptor = Mp4Decryptor::builder()
.key_spec("eb676abbcb345e96bbcf616630f1a3da:100b6c20940f779a4589152b57d2dacb")?
.build()?;
decryptor.decrypt_file(
"encrypted-video.m4s",
"clear-video.m4s",
Some("video-init.mp4"),
)?;
Ok(())
}