FFmpeg is a software used to manipulate media files, images, sounds and videos, it converts to different formats. It is used on video sites to convert users uploaded videos which can be in any format to a standard format, flv or mp4. ffmpeg hosting
For example at youtube.com a user uploads a video from his cell phone, this video cannot be streamed immediately to other users, for example a user on a desktop computer most probably could not see this video, that is why youtube will convert the uploaded video Flash media playerwith ffmpeg to a format nearly universal, in the sense that most computers will have Abobe flash player installed on their computers.
For this reason Red5Server will install on all servers ffmpeg, in case our customers will want to host a video site on their servers.