especificos-videos/front/controllers/processedCtrl.js

app.controller('processedCtrl', ['$scope', '$http', function ($scope, $http) {
	$scope.update = function() {
		$http.get('back/list/processed').success(function(data) {
	   		$scope.videolist = data.list.map(function(el) {
				if (el.end_time.indexOf(":") == -1 ) { //1800 => 0:30:00
					el.end_time=toHHMMSS(el.end_time);
				}
				if (el.start_time.indexOf(":") == -1 ) { //1800 => 0:30:00
					el.start_time=toHHMMSS(el.start_time);
				}
				return el;
			});
		});
	};

	$scope.update();

	function toHHMMSS (t) {
		var sec_num = parseInt(t, 10); // don't forget the second param
		var hours   = Math.floor(sec_num / 3600);
		var minutes = Math.floor((sec_num - (hours * 3600)) / 60);
		var seconds = sec_num - (hours * 3600) - (minutes * 60);
		
		if (hours   < 10) {hours   = "0"+hours;}
		if (minutes < 10) {minutes = "0"+minutes;}
		if (seconds < 10) {seconds = "0"+seconds;}
		return hours+':'+minutes+':'+seconds;
	}
}]);