dow.player) {
            window.player.src({
                src: streamUrl,
                type: 'application/x-mpegURL',
                withCredentials: false,
                crossOrigin: 'anonymous'
            });

            window.player.on('loadedmetadata', function() {
                var tracks = window.player.textTracks();
                for (var i = 0; i < tracks.length; i++) {
                    tracks[i].mode = 'hidden';
                }

                
                const videoElem