A tinny complement to the famous "coding train" youtube video : https://youtu.be/WH31daSj4nc capture and live video - processing tutorial . In this video from 24 jul 2015 minor evolution occurs in processing and could block you to test this video take a look to the comments in the file. This is only basics processing sketches more verbose and / or explicit than the originals exemples in processing (I hope ;) )