Test to see if HTML5 Video is buffered.

gistfile1.js

/*
Tests to see if video has been buffered.
html5VideoBufferedTest(player,showVideo);
https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement
*/
var html5VideoBufferedTest = function(videoObject,callback_function){

	videoBuffered = false;

	setInterval(function(){
		if(videoObject.readyState == 4){ // VIDEO IS BUFFERED

			// assign global
			videoBuffered = true;

			// if callback run it
			if(callback_function){ callback_function(); }
			clearInterval(html5VideoBufferedTest);
		}
	},400);

}