HTML5 video tag not working

Can someone please explain why the following code does not work in a SmartTv?

<!DOCTYPE html>
<html>
<body>
<video src=“http://commondatastorage.googleapis.com/gtv-videos-bucket/sample/BigBuckBunny.mp4” id=“currentpic” width=“1920” height=“1080” muted autoplay controls/>
</body>
</html>

It’s about as basic as you can get with a video tag - does a video need to be local to be played? And if so, how do we do that with Tizen 4.0?

Thanks
Brent