Launch vMix and add a new input, choose Stream/SRT on the left-hand side. In this example, the camera that is going to be used can be found on local IP address 192.168.178.165. The default RTSP stream can be picked up by using the link rtsp://192.168.178.165/live/av0. 



Press OK when you're done and the next screen will appear:



Choose 'PTZ' on the left hand side to enter the PTZ settings for the camera, Choose 'Sony VISCA over IP'  as Device Type, and enter the IP address of the camera 192.168.178.165. 

Press [Connect] 





After the camera is connected, it's possible to control the camera and create vMix presets as inputs. Keep in mind that the inputs are specifically created by and for vMix, they will not be stored inside the camera. Each preset will be saved as an individual input in vMix. By adjusting the slider 'Position Speed' the speed between the vMix presets is adjustable.