Possible topics include but are not limited to:
- open media codecs
- streaming software
- gstreamer/ xine/vlc
- ALSA/ pulseaudio/ jack
- FFMpeg/ MPlayer
- Linphone/ mediastreamer/ oRTP
- Ekiga
- Rockbox
- open source video editors
- totem/ gnome video
- subtitling schemes
- matroska/ divx
- Linux kernel
- open media sw on MS Windows
- open media sw on OS X