Download Now Universal Media Server 14.9.0 Serial Key Universal Media Server Download It can stream and encode many different media formats without configuration. So, MEncoder and FFmpeg are the engines behind the US. They also support AviSynth OpenSubtitles, MediaInfo, tsMuxeR, and AviSynth. So, It is powered by FFmpeg and MEncoder, as well as tsMuxeR OpenSubtitles