Runs youtube-dl and parses its JSON output. Example:
let output = YoutubeDl::new("https://www.youtube.com/watch?v=VFbhKZFzbzk")
.socket_timeout("15")
.run()
.unwrap();
let title = match output {
YoutubeDlOutput::SingleVideo(video) => video.title,
_ => panic!("single video should not be a playlist")
};
println!("Video title: {}", title);