How to control PTZ (pan tiit zoom) with Qt+OpenCV

[diego]

Hi all.
I am using Logitech webcam for my project. Currently i am controlling this webcam with Qt+OpenCV But i still dont know how to control PTZ ?

Please help me !

Thanks in advance.
Diego

[oob2]

use directshow, take a look at quickcam forum

http://www.quickcamteam.net/documentation/how-to/how-to-control-pan-tilt-zoom-on-logitech-cameras

be attention to the driver version.