Logitech C170 change resolution

Camera model logitech C170

My webcam is recognized by octo, the problem is that the image seems to be 4:3 as shown below (don't?), And the changes that I made in octopi.txt don't take effect.

I followed the official guidelines, and I have edited the /boot/octopi.txt configuration file with
camera_usb_options="-r 1024x768 -f 30"
as I read in this article USB webcams known to work with mjpg-streamer - Get Help / FAQ - OctoPrint Community Forum

Additional information I'm using OctoPrint 1.5.3, OctoPi 0.18.0, on a raspberry pi 4, Ender 3 and webcam support from Logitech C170 Ender 3 cameramount by lroschek - Thingiverse

The logitech C170 seems to be one of the most sold webcams, and widely used by Octo users, Am I the only one having this problem?
What can I try?

1024x768 is a 4:3 ratio, isn't it?


Some 16:9 ratios to try would be 1024x576 or 1280x720.

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