currently, I\'m trying to do some really simple thing (well, actually I thought it is simple...): I want to take a photo from the web-cam in a web-application.
here is example
http://html5.by/blog/demo/image-capture-getusermedia/
and here is article that can help you
http://html5.by/blog/html5-image-capture-getusermedia-stream-api-mirror/
sorry it is in Russian, but example is working and you can check the code
+ google translate :)