A new major release of VLC media player has been made this week that includes support for decoding Dirac video using the Schroedinger library. VLC provides cross platform video playback, encoding and multiplexing functions for a wide variety of media types.
You can download the new version of VLC from www.videolan.org.
VLC 0.9.2 can decode Dirac video multiplexed into Ogg or MPEG Transport Stream containers, in addition to raw Dirac bytestreams. Work is continuing to add extra Dirac functionality to VLC, including extra container formats, multiplexing and encoding.