FFmpeg is the first complete and free Internet Live Audio and Video
Broadcasting solution. FFMpeg aims at being the command line tool to
handle audio and video. It is a "three-in-one" solution.

FFmpeg includes a soft VCR capable of encoding in many different
formats simultaneously, a streaming server for Netcasting multimedia
and is available under the GNU General Public License.

FFmpeg generates streaming files, in many popular formats
simultaneously, faster than any other solution.