Now you can play with face detection in Cheese!
Here is a screencast:
Isn't that awesome! =P
I added this new effect using OpenCV plugin from the "gst-plugins-bad" GStreamer plugin-set. It wasn't an easy task! (just kidding, it was easy).
The video preview performance suffered a little, it'll be something to be careful about when I try to do more stuff than just drawing a blue circle. The idea is to draw hats, beards, and other funny elements that follow you around. Improving performance will be a must. We'll see what happens! As usual, your ideas are welcomed ;)