Safe ffmpegthumbnailer wrapper for Rust
```rust extern crate ffthumb;
use std::{ fs::File, io::{stdout, Write}, };
use ffthumb::Thumbnailer;
fn main() { let mut th = Thumbnailer::builder().finalize(); File::create("thumbnail.png") .unwrap() .write( th.generate("badapple.mkv", Some(25), None) .unwrap() .asslice() ) .unwrap(); } ```