data) {
                console.log('sync', data);
            })

            player.on(mpegts.Events.PES_PRIVATE_DATA_DESCRIPTOR, function(data) {
                // var str = JSON.stringify(data);
                // logcatbox.value = logcatbox.value + str + '\n';
                // logcatbox.scrollTop = logcatbox.scrollHeight;
            });
        }

        function player_start() {
            player.play();
        }

        function player_pause() {
            player.pause();
        }

        