BTV Pro for Mac

From Ben Bird:

BTV Pro is an application for the Macintosh that allows you to view, capture and edit video, create stop-motion animations, and also has advanced capture features such as frame averaging, time lapse and motion detection. It works with any Macintosh compatible video input source such as video input cards, TV cards, built-in video, USB, DV, and FireWire video sources.
Feature list:
- Works with any Macintosh compatible video input source - View video in a window or full-screen - Play back movies in a window or full-screen - Capture video to disk as a standard QuickTime movie using custom compression settings - Capture frames of video to disk in many different file formats (PICT, JPEG, TIFF and more) - Advanced video capture features - Powerful time lapse capture feature - Motion detection capture feature - Stop motion animation features - Onion skin feature for helping with stop motion animation - Frame averaging feature to eliminate noise in still image captures - DV video input/output and DV device control - Edit movies using simple copy-and-paste and click-and-drag commands - Floating Frame Position window that shows time code and frame count - Export movies with custom compression and frame rate settings, and filters - Channel changing on ixTV and TurboTV tuner cards - AppleScript support - Folder Viewer feature to view all the image files in a folder - Includes the macgix LiveCam AppleScript to turn BTV Pro into a Webcam application