title: Retrieving stdout from subprocess in Windows
body: <p>I can call FFmpeg with subprocess.Popen and retrieve the data I need, as it occurs (to get progress), but only in console. I've looked around and seen that you can't get the data "live" <a href="https://stackoverflow.com/questions/337870/python-subprocess-call-fails-when-using-pythonw-exe">when running with pythonw</a>. Yet, waiting until the process finishes to retrieve the data is moot, since I'm trying to wrap a PyQT GUI around FFmpeg so I can have pretty progress bars and whatnot. So the question is, can you retrieve "live" data from a subprocess call when using pythonw? </p>
  
  <p>I haven't tried simply compiling the application with py2exe yet as a windows application, would that fix the problem?</p>