asp.net videos upload function in c#

Private Shared Sub checkVideoHandler(ByVal sender As Object, ByVal outLine As Diagnostics.DataReceivedEventArgs)
       If Not [String].IsNullOrEmpty(outLine.Data) Then
           Dim tmp As String = outLine.Data.Trim()

           ' looks ok, probably a video
           If Regex.IsMatch(tmp, "^Input #0") Then
               _foundInput0 = True
               '_foundInput0 = False
           End If

           ' get the duration
           Dim m As Match = Regex.Match(tmp, "^Duration: (\d+:\d+:\d+\.\d+),")
           If _foundInput0 AndAlso m.Success Then
               _duration = m.Groups(1).Captures(0).ToString()



           End If

           ' get width, height, fps and pixelformat
           If _foundInput0 AndAlso Regex.IsMatch(tmp, "^Stream #0\.0(\(eng\))?: Video: ") Then
               _width = tmp.Split(","c)(2).Trim().Split(" "c)(0).Split("x"c)(0)
               _height = tmp.Split(","c)(2).Trim().Split(" "c)(0).Split("x"c)(1)
               _fps = tmp.Split(","c)(3).Trim().Split(" "c)(0)


           End If
       End If
   End Sub