<script src="js/mmd.local.min.js"></script>
    <script>
        files.addEventListener("change",function(e){
           
            var f = new FileReader();
            f.onload =function()
            {
                var info = MMD.mp4.getMediaInfo(f.result)
                console.log(JSON.stringify(info))
                //{"rotation":90,"width":1920,"height":1080,"fps":30,"duration":10.24}
            }
            f.readAsArrayBuffer(e.target.files[0])
        })

    </script>