Android-phonegap Video upload to drupal

window.requestFileSystem(LocalFileSystem.PERSISTENT, 0, gotFS, fail);

function gotFS(fileSystem) {
  // The filesystem is associated with the app's origin.
  var part = localStorage.uploadPath;
  var part2 = part.substring(part.indexOf("VID"));

  var path = "/mnt/sdcard/DCIM/Camera/"+part2;
  fileSystem.root.getFile(path, null, gotFileEntry, fail);

 }

function gotFileEntry(fileEntry) {

  fileEntry.file(function(file){

    localStorage.filename = file.name;
    localStorage.filepath = file.fullPath;

      url = "http://192.168.38.122/langator/?q=server"; // Services endpoint

      var result;
      var data;
      var reader = new FileReader();

      reader.onloadend = function(evt) {
          console.log("read success");
          result = evt.target.result;

      };
      reader.readAsDataURL(file);

        data = {
            "file" : result,
            "filename" : localStorage.filename,
           }

    drupalPostFile(data, url, postwith);

  }, function(error){
    alert("Error is "+error);

  });
 }

 function fail(error) {

   alert("An error has occurred: Code = " + error.code);
 }

 function drupalPostFile(d, url, successFunction) {
   var url = url + '/file.json';
   $.ajax({
     url : url,
     type : "POST",
     data : d,

     contentType: false,
     processData: false,
     success : function(data) {

         alert("Success file upload ");

       successFunction(data);

     },
     error : function(e) {

       alert("Error file upload " + e.status);
     }
   });
 }