update ffmpeg & use edition 2018

Cargo.toml

@@ -2,7 +2,8 @@
 name = "audio_conv"
 version = "0.0.0"
 authors = ["Thomas Heck <t@b128.net>"]
+edition = "2018"
 
 [dependencies]
-ffmpeg = { git = "https://github.com/hecke-rs/rust-ffmpeg" }
+ffmpeg-next = { path = "../rust-ffmpeg" }
 rayon = "1.0.2"

src/main.rs

@@ -1,12 +1,9 @@
-extern crate ffmpeg;
-extern crate rayon;
-
 use std::alloc;
 use std::env;
 use std::path::Path;
 use std::{fs, io};
 
-use ffmpeg::{codec, filter, format, frame, media};
+use ffmpeg_next::{self as ffmpeg, codec, filter, format, frame, media};
 use rayon::prelude::*;
 
 #[global_allocator]