gistfile1.js

.controller ('VideoCtrl', function($scope, $cordovaCapture, VideoService){
        $scope.clip = '';
        $scope.urlForClipThumb = function(clipUrl) {
                var name = clipUrl.substr(clipUrl.lastIndexOf('/') + 1);
                var trueOrigin = cordova.file.dataDirectory + name;
                var sliced = trueOrigin.slice(0, -4);
                return sliced + '.png';
        };