Main Features:
- Support for all popular media formats
- Support for new file formats such as Matroska and OGM with embedded chapters, subtitles and multiple audio streams
- Pan-scan and custom pan-scan option
- Support for multiple audio streams and switching between them
- Support a lot of subtitles formats (MicroDVD, SubRip, Subviewer...), custom subtitles position, color, font, transparency...
- Support switching between multiple (different language) subtitles
- Fast forward and fast rewind option
- Frame stepping
- Frame capture
- Bookmarks support
- Chapters support
- Equalizer
- Multilingual
- Fully skinnable
- Custom aspect ratios
- WinLIRC support
- 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
- Every action can also be assigned to WinLIRC button
- Support Winamp DSP plugins
- Multiple audio stream switching
- Command line support
- Playback of incomplete AVI files and locked files (files in use, files still downloading or recording)
- BSI/INI files support and dynamic DirectShow filters loading (so everything can be burned on CD and played without installing anything)
- Plugin support

Pro version has all the great functions of 1.4 plus new great features such as:
- Customizable Equalizer
- Support for Capture/Tuner devices
- Capture Video to file
- Integrated subtitle editor
- Network file buffering
- Improved subtitles
- Improved VMR9 support
- Technical email support

Changes in BSplayer and BSplayer Pro version 1.42 (b833) (30 May 2006):
* minor bug fixes
* BSplayer 2.0 coming soon...