
    var forceNoOffscreen = true; //
    var jessibuca = null;

    function create() {
        jessibuca = new JessibucaPro({
            container: $container,
            videoBuffer: 0.2, // 缓存时长
            isResize: false,
            text: "",
            loadingText: "加载中",
            debug: true,
            debugLevel: 'debug',
            showBandwidth: showOperateBtns, // 显示网速
            showPerformance: showOperateBtns, // 显示性能
            operateBt