title: ffmpeg gdigrab hidpi mouse capture
body: <p>Have anyone find out how to capture the correct mouse position with ffmpeg on hidpi monitors ? <br>
  There is an issue (<a href="https://trac.ffmpeg.org/ticket/4232" rel="nofollow">https://trac.ffmpeg.org/ticket/4232</a>) it says it is fixed, but it isn't in the latest build.</p>