uploading video which is captured from device to server via API (works both on android and ios)

uploadingvideo.txt

//install media capture, file chooser, file transfer, camera plugins from ionic 2 native plaugins and don't forget to add providers in 
app.component.ts


import { Component } from '@angular/core';
import { NavController, NavParams,ActionSheetController } from 'ionic-angular';
import { MediaCapture, MediaFile, CaptureError, CaptureImageOptions,CaptureVideoOptions } from '@ionic-native/media-capture';
import { Camera, CameraOptions } from '@ionic-native/camera';
import { Transfer, FileUploadOptions, TransferObject } from '@ionic-native/transfer';
import { FileChooser } from '@ionic-native/file-chooser';

export class Videorupload {

  constructor(public navCtrl: NavController, public navParams: NavParams,
  	private mediaCapture: MediaCapture,
  	private transfer: Transfer,
  	private camera: Camera,
    ) {}
  
    
    
    capturevideo()
  {
  		let options: CaptureVideoOptions = { limit: 1 };
		this.mediaCapture.captureVideo(options)
		 .then((videodata)  => {
       // videodata is either a base64 encoded string or a file URI
       // If it's base64:
       alert("VIDEO DATA IS"+videodata)

        // this.items = videodata;

       this.items = JSON.stringify(videodata);


        this.items.substring(2);
       this.items.substring(0,  this.items - 2);

        // this process is carried out for extracting the extension of video (it will be MOV in ios mp3, mp4 etc in android)

        let x = this.items.split(",");

      
        let sec = x[1].slice(12);;
            sec = sec.slice(0,-1)
        // sec.toString().substring(12);
        // sec.slice(0, -1);

        console.log("SECOND IS",sec);
        console.log("SECOND LENGTH IS",sec.length);
        
         


       console.log("VIDEO DATA IS"+ JSON.stringify(videodata))


       let y =  x[x.length - 1];
       let z = y.split(".")

      let a = z[1];
      a = a.slice(0,-3);


     let filename = "name" +"."+a;
       console.log("FINALL FORMAT IS",a);



     const fileTransfer: TransferObject = this.transfer.create();

      let options1: FileUploadOptions = {
         fileKey: 'image_upload_file',
         fileName: filename,
         headers: {},
         params: {"app_key":"Testappkey"},
         chunkedMode : false
      
      }

  fileTransfer.upload(sec, 'API that can take the video', options1)
   .then((data) => {
     // success
     alert("success"+JSON.stringify(data));
   }, (err) => {
     // error
     // alert("error"+JSON.stringify(err));
   });


    });
  }
  
  
  }