TO DO:
~~~~~~

High Priority:
- finish ASF seeking (find next keyframe)
- audio playback rate setting [Jelmer Feenstra]
- asterix.avi audio delays after 5-10 mins (bps mode only) - DONE?
- fix x11 driver to work without SHM (for remote playing etc)
- further optimizations

Medium Priority:
- show current frame number [Gabucino]
- seek_to_frame and seek_to_index options
- audio copy/encoding capability

Low Priority:
- fix X4.0.x/DRI OpenGL - DONE?  mga works with 4.0.3
- support for MPEG TS (transport streams) - I need sample files!
- integrating the gui? - DONE?