[Koha-bugs] [Bug 1937] Scan barcode with webcam

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=1937

David Cook <dcook at prosentient.com.au> changed:

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                 CC|                            |dcook at prosentient.com.au

--- Comment #5 from David Cook <dcook at prosentient.com.au> ---
We did a demo with this for the Koha self checkout so that people in remote
libraries could self-checkout using their phones.

My first version used https://github.com/zxing-js/library but we found results
varied heavily between different devices. I got quite good at doing it with my
web camera and my phone camera, but sometimes it wouldn't work that well, and a
lot of test users struggled to get the phone camera to focus on the barcode
well enough for the Javascript to capture and interpret the barcode. 

We later integrated with a commercial product called Scandit which was very
effective, but it has a pay per use agreement. I think it leveraged server-side
processing as well.

(At some point, it looks like browsers may have native barcode reading support:
https://developer.mozilla.org/en-US/docs/Web/API/Barcode_Detection_API)

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