There is project Sirius which does it, take a look<p><a href="http:&#x2F;&#x2F;sirius.clarity-lab.org&#x2F;category&#x2F;watch&#x2F;" rel="nofollow">http:&#x2F;&#x2F;sirius.clarity-lab.org&#x2F;category&#x2F;watch&#x2F;</a>