https://bugs.kde.org/show_bug.cgi?id=499010
Bug ID: 499010
Summary: SUGGESTION: Implement advanced QR code scanning into
KDE Connect for crash debugging
Classification: Applications
Product: kdeconnect
Version: unspecified
Platform: Other
OS: Linux
Status: REPORTED
Severity: wishlist
Priority: NOR
Component: common
Assignee: albertv...@gmail.com
Reporter: farch...@gmail.com
CC: andrew.g.r.hol...@gmail.com
Target Milestone: ---
Linux Kernel bugchecks are now starting to show QR codes to debug crashes. We
(As in, the KDE sig at Fedora) have started looking into somehow facilitating
the act of scanning said QR codes.
We looked at existing KDE projects:
Qrca has the functionality of scanning QR codes through a capture device
(Webcam for example). That's not a bad idea, except for the fact that the user
would need to take a picture of the QR code and essentially prop up the image
and show it through the webcam to scan it. Putting aside the fact that's
extremely awkward, the success of the operation would depend on a couple
things, such as how smudgy the cell phone screen is, how good the system's
camera is and how good the cell phone's camera itself is. So, maybe not so
good.
Kodaskanna is another one that covers a usecase Qrca doesn't have: It does not
allow you to "capture" a qr code, but allows you to input an existing image and
scan the code on it. Most of the caveats from Qrca still apply, but at least
this makes it a tiny bit simpler.
A better solution would be for kde connect to have the function of capturing a
("high definition") qr code using the cell phone's camera and send it to a
linked computer. Hence this suggestion.
"But farchord, don't cell phones nowadays have QR code scanners built in to the
camera apps already?"
Yes, but those QR scanners are mostly made to scan URLs. Kernel debug QR codes
are much heftier. See the 2nd and 3rd posts from here for examples:
https://github.com/kdj0c/panic_report/issues/1
Thank you!
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