error :i/o failure in Taking a Video Using an Intent

public class MainActivity extends AppCompatActivity implements ActionBar.TabListener {
    private static final String TAG = MainActivity.class.getSimpleName();
    public static final int TAKE_PHOTO_REQUEST = 0;
    public static final int TAKE_VIDEO_REQUEST = 1;
    public static final int PICK_PHOTO_REQUEST = 2;
    public static final int PICK_VIDEO_REQUEST = 3;

    public static final int MEDIA_TYPE_IMAGE = 4;
    public static final int MEDIA_TYPE_VIDEO = 5;
    public static final int FILE_SIZE_LIMIT = 1024*1024*10;

    protected Uri mMediaUri;

    protected DialogInterface.OnClickListener mDialogListener = new DialogInterface.OnClickListener() {
        @Override
        public void onClick(DialogInterface dialog, int which) {
            switch (which) {
                case 0:
                    Intent takePhotoIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
                    mMediaUri = getOutPutMediaFileUri(MEDIA_TYPE_IMAGE);
                    if (mMediaUri == null) {
                        //display error
                        Toast.makeText(MainActivity.this, R.string.ERROR_EXTERNAL_DEVICE, Toast.LENGTH_LONG).show();
                    } else {
                        takePhotoIntent.putExtra(MediaStore.EXTRA_OUTPUT, mMediaUri);
                        startActivityForResult(takePhotoIntent, TAKE_PHOTO_REQUEST);
                    }
                    break;
                case 1:
                    Intent videoIntent= new Intent(MediaStore.ACTION_VIDEO_CAPTURE);
                    mMediaUri= getOutPutMediaFileUri(MEDIA_TYPE_VIDEO);
                    if (mMediaUri == null) {
                        //display error
                        Toast.makeText(MainActivity.this, R.string.ERROR_EXTERNAL_DEVICE, Toast.LENGTH_LONG).show();
                    } else {
                        Log.i(TAG,"mMedia pas null : "+mMediaUri.getPath());
                        videoIntent.putExtra(MediaStore.EXTRA_OUTPUT, mMediaUri);
                        videoIntent.putExtra(MediaStore.EXTRA_DURATION_LIMIT,10);
                        videoIntent.putExtra(MediaStore.EXTRA_VIDEO_QUALITY,0);
                        startActivityForResult(videoIntent, TAKE_VIDEO_REQUEST);
                    }
                    break;
                case 2:
                    Intent choosePhotoIntent = new Intent(Intent.ACTION_GET_CONTENT);
                    choosePhotoIntent.setType("image/*");
                    startActivityForResult(choosePhotoIntent,PICK_PHOTO_REQUEST);
                    break;
                case 3:
                    Intent chooseVideoIntent = new Intent(Intent.ACTION_GET_CONTENT);
                    chooseVideoIntent.setType("video/*");
                    Toast.makeText(MainActivity.this,R.string.video_file_size_warning,Toast.LENGTH_LONG).show();
                    startActivityForResult(chooseVideoIntent, PICK_VIDEO_REQUEST);
                    break;
            }
        }


        public Uri getOutPutMediaFileUri(int mediaType) {
            String appName = MainActivity.this.getString(R.string.app_name);
            if (isExternalStorageAvailable()) {
                File mediaStorageDir = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES), appName);

                if (!mediaStorageDir.exists()) {
                    if (!mediaStorageDir.mkdirs()) {
                        Log.e(TAG, "FAILED TO CREATE DIRECTORY");
                        return null;
                    }
                }
                File mediaFile;
                Date now = new Date();
                String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss", Locale.US).format(now);

                String path = mediaStorageDir.getPath() + File.separator;
                if (mediaType == MEDIA_TYPE_IMAGE) {
                    mediaFile = new File(path + "IMG" + timeStamp + ".jpg");

                } else if (mediaType == MEDIA_TYPE_VIDEO) {
                    mediaFile = new File(path + "VID_" + timeStamp + ".mp4");
                } else {
                    return null;
                }
                Log.d(TAG,"File: " +Uri.fromFile(mediaFile) );
                return Uri.fromFile(mediaFile);
            }else{
                Log.i(TAG,"no External Storage Valide");
                return null;
            }
        }
        private boolean isExternalStorageAvailable(){
            String state = Environment.getExternalStorageState();
            if(state.equals(Environment.MEDIA_MOUNTED)){
                return true;
            }else{
                return false;
            }
        }
    };

    /**
     * The {@link android.support.v4.view.PagerAdapter} that will provide
     * fragments for each of the sections. We use a
     * {@link FragmentPagerAdapter} derivative, which will keep every
     * loaded fragment in memory. If this becomes too memory intensive, it
     * may be best to switch to a
     * {@link android.support.v4.app.FragmentStatePagerAdapter}.
     */
    SectionsPagerAdapter mSectionsPagerAdapter;

    /**
     * The {@link ViewPager} that will host the section contents.
     */
    ViewPager mViewPager;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        ParseAnalytics.trackAppOpened(getIntent());
        ParseUser currentUser = ParseUser.getCurrentUser();
        if (currentUser == null) {


            navigateToLogin();
        }
        else {
            Log.i(TAG, currentUser.getUsername());
        }
        // Set up the action bar.
        final ActionBar actionBar = getSupportActionBar();
        actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);

        // Create the adapter that will return a fragment for each of the three
        // primary sections of the activity.
        mSectionsPagerAdapter = new SectionsPagerAdapter(this,getSupportFragmentManager());

        // Set up the ViewPager with the sections adapter.
        mViewPager = (ViewPager) findViewById(R.id.pager);
        mViewPager.setAdapter(mSectionsPagerAdapter);

        // When swiping between different sections, select the corresponding
        // tab. We can also use ActionBar.Tab#select() to do this if we have
        // a reference to the Tab.
        mViewPager.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
            @Override
            public void onPageSelected(int position) {
                actionBar.setSelectedNavigationItem(position);
            }
        });

        // For each of the sections in the app, add a tab to the action bar.
        for (int i = 0; i < mSectionsPagerAdapter.getCount(); i++) {
            // Create a tab with text corresponding to the page title defined by
            // the adapter. Also specify this Activity object, which implements
            // the TabListener interface, as the callback (listener) for when
            // this tab is selected.
            actionBar.addTab(
                    actionBar.newTab()
                            .setText(mSectionsPagerAdapter.getPageTitle(i))
                            .setTabListener(this));
        }
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data){
        super.onActivityResult(requestCode,resultCode,data);

        if(resultCode == RESULT_OK) {
            Log.i(TAG, "requestCode= " + requestCode);
            if (requestCode == PICK_PHOTO_REQUEST || requestCode == PICK_VIDEO_REQUEST) {
                if (data == null) {
                    Log.i(TAG,"data null");
                    Toast.makeText(this,  getString(R.string.general_error), Toast.LENGTH_LONG).show();
                } else {
                    mMediaUri = data.getData();
                }
                if(requestCode == PICK_VIDEO_REQUEST){
                    //make sure file < 10MB
                    Log.i(TAG,"requestcode ==pick_video_request");
                    int fileSize = 0;
                    InputStream inputStream = null;
                    try {
                        Log.i(TAG,"try1");
                        inputStream = getContentResolver().openInputStream(mMediaUri);
                        fileSize = inputStream.available();

                    }
                    catch (FileNotFoundException e){
                        Toast.makeText(this, R.string.error_openin_file, Toast.LENGTH_LONG).show();
                        return;
                    }
                    catch (IOException e){
                        Toast.makeText(this, R.string.error_openin_file, Toast.LENGTH_LONG).show();
                        return;
                    }
                    finally {
                        try {
                            Log.i(TAG,"close");
                            inputStream.close();
                        }catch (IOException e){
                            //Intentionnellement vide
                        }
                    }
                    if(fileSize >= FILE_SIZE_LIMIT){
                        Toast.makeText(this,R.string.file_size_too_large,Toast.LENGTH_LONG).show();
                        return;
                    }

                }
            } else {
                Intent mediaScanIntent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
                mediaScanIntent.setData(mMediaUri);
                sendBroadcast(mediaScanIntent);
            }
        }
        else if(resultCode != RESULT_CANCELED){
            Toast.makeText(this,R.string.general_error,Toast.LENGTH_LONG).show();
        }
    }

    private void navigateToLogin() {
        Intent intent = new Intent(this, LoginActivity.class);
        intent.addFlags(intent.FLAG_ACTIVITY_NEW_TASK);
        intent.addFlags(intent.FLAG_ACTIVITY_CLEAR_TASK);
        startActivity(intent);
    }


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_main, menu);
        return true;
    }


    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        switch(id){
            case R.id.action_bar: ParseUser.logOut();
                navigateToLogin();
                break;
            case R.id.action_edit_friends:
                Intent intent = new Intent(this, EditFriendsActivity.class);
                startActivity(intent);
                break;
            case R.id.action_camera:
                AlertDialog.Builder builder = new AlertDialog.Builder(this);
                builder.setItems(R.array.camera_choices,mDialogListener);
                AlertDialog dialog = builder.create();
                dialog.show();
                break;
        }

        return super.onOptionsItemSelected(item);
    }

    @Override
    public void onTabSelected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) {
        // When the given tab is selected, switch to the corresponding page in
        // the ViewPager.
        mViewPager.setCurrentItem(tab.getPosition());
    }

    @Override
    public void onTabUnselected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) {
    }

    @Override
    public void onTabReselected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) {
    }