Not sure if this the right forum for this question.
Anyway in Chrome browser, Youtube videos are grainy as shown in this image.
There seems to be no problem with other video sites requiring flash. Also the youtube videos play fine in Firefox.
Is this a known issue? Any workarounds?
Ubuntu 12.10 x86_64
Chrome 64 bit Version 25.0.1364.97
Thanks to @pilefrocks, the problem is with Pepper Flash. Disable this plugin from the about:plugins (type in Chrome's address bar and click "details" in upper right corner) and enable the Adobe's Flash Plugin. Hope this helps someone with the same issue.