MplayerXP is branch of the well-known mplayer that is based on a new, thread-based core. The main goal of this project is to achieve smoothness of video playback due monotonous CPU loading.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.
This release enables a software scaler in x11 fullscreen mode, fixes
xinerama moving positions, adds minor speedups, and fixes some
configure-related problems and compilation with the latest gcc-4.4.x.