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 version changes the method of default A-V
synchronization, increases the number of simultaneously
working threads upto 5, fixes the frame-dropping, and
increases the max. number of buffers for decoding ahead
upto 1024. It is now able to provide any bitness of audio
samples from codec to audio card.