h264ify is a Chrome/Firefox extension that makes YouTube stream VP8/VP9 videos instead of H.264 videos.

By default, YouTube streams VP8/VP9 encoded video but there still have avc1 in sometimes make blank in video that play in android x86 so this for fix that

Kiwi browser or browser support extension

Looking for the Firefox version? See: https://github.com/erkserkserks/h264ify-firefox

Install from here: https://chrome.google.com/webstore/detail/h264ify/aleakchihdccplidncghkekgioiakgal

Note: [You may need to enable GPU acceleration as well] (http://www.webupd8.org/2014/01/enable-hardware-acceleration-in-chrome.html)

If all goes well, when you visit https://www.youtube.com/html5, you should see this: