function testConfig(_urlMetadata, _useLocalBuild) {

    _useLocalBuild = (typeof _useLocalBuild !== "undefined" && _useLocalBuild)

    IriSP.libFiles.defaultDir = _useLocalBuild ? "libs/" : "../src/js/libs/";

    IriSP.widgetsDir = _useLocalBuild ? "metadataplayer" : "../src/widgets";

    var _metadata = {

        url: _urlMetadata,

        format: 'ldt'

    };

    var _config = {            

        gui: {

            width : 620,

            container : 'LdtPlayer',

            default_options: {

                metadata: _metadata

            },

            css : _useLocalBuild ? 'metadataplayer/LdtPlayer-core.css' : '../src/css/LdtPlayer-core.css',

            widgets: [

                { type: "Sparkline" },

                { type: "Slider" },

                { type: "Controller" },

                { type: "Polemic" },

                { type: "Segments" },

                { type: "Arrow" },

                { type: "Annotation" },

                { type: "Tweet" },

                { type: "Tagcloud" },

                {

                    type: "AnnotationsList",

                    container: "AnnotationsListContainer"

                },

                { type: "Mediafragment"}

            ]

        },

        player:{

            type:'auto',

            live: true, 

            height: 350, 

            width: 620, 

            provider: "rtmp",

            autostart: true

        }

    };

    return new IriSP.Metadataplayer(_config, _metadata);

}