The other solution is Kasenna MediaBase (Score 1)

If you are going to be format agnostic, the only one option is Kasenna MediaBase. It supports following formats: QuickTime, RealVideo, MPEG-1, MPEG-2 (!) and, possible, in future Windows Media. Server hardware may be driven by Linux or SGI IRIX. Kasenna MediaBase is not free, but proven and stable.