Main Interface
River Past Video Slice provides a preview window, playback and editing controls, and time line.
Trim
You can trim the beginning and the end of the video off.
Cut
You can cut the video into multiple segments, either continuous or discontinuous.
AVI Settings
Full control over the video and audio codec is available in the "Export" dialog when you export to AVI.
WMV Settings
For WMV output, the video quality is determined by the profile.