Here is exactly what you are looking for:
https://www.ipcamtalk.com/showthread.php/5456-Mini-PTZ-camera-impressions!-2015-PTZ-camera-of-the-year?p=54288&viewfull=1#post54288
...but it uses Blue Iris on a controlling PC, and 2 cameras, not only a standalone camera.
I have two cameras: One...