Install FFmpeg with homebrew. You'll need to install it with a couple flags for webm and the AAC audio codec.
brew install ffmpeg --with-libvpx --with-libvorbis --with-fdk-aac --with-opus| def urlses(cl: ClassLoader): Array[java.net.URL] = cl match { | |
| case null => Array() | |
| case u: java.net.URLClassLoader => u.getURLs() ++ urlses(cl.getParent) | |
| case _ => urlses(cl.getParent) | |
| } | |
| val urls = urlses(getClass.getClassLoader) | |
| println(urls.filterNot(_.toString.contains("ivy")).mkString("\n")) |