Sound Equalizer
Fully skinnable windows (Media list, Play list, Equalizer)
Bookmarks support (add, edit)
Chapters support (create, move to, skip)
Custom aspect ratios
Multiple audio stream switching
Frame capture (video to picture)
Plugin support (Winamp DSP plugins and others)
Multilingual interface
Fast forward and fast rewind option
Frame stepping (playback video one frame at a time)
WinLIRC support (user defineable remote controllers)
Support switching between multiple (different language) subtitles
Pan-scan and custom pan-scan option
Support for multiple audio streams and switching between them
Every action can also be assigned to WinLIRC button
Playback of incomplete AVI files and locked files (files in use, files still downloading or recording)
Command line support (for example "bsplayer.exe movie.avi -fs" will start playback of movie in full screen mode)
Support a lot of subtitles formats (MicroDVD, SubRip, Subviewer...), custom subtitles position, color, font, transparency...
BSI/INI files support and dynamic DirectShow filters loading (so everything can be burned on CD and played without installing anything)
Almost every action can be assigned to user selected key (even two keys) and different keys can be assigned for full screen and windowed mode
Support for all popular media formats (audio and video): divx, avi, mpeg 1, mpeg 2, xvid, 3ivx, ogm, matroska, asf, wmv, DV, m1v, m2v, Quicktime mov, mp4, mpv, QT, Real rm, SWF, vob, wav, mpa, mp1, mp2, mp3, ogg, aac, ac3, aif, ram, wma...