twtxt.net mckinley@ "@prologic@twtxt.net You think that's cool, I just found the one in color. Try scanning them, they both go to I generated them with a web tool t ..."

Wed, Sep 22 07:31 2021 (2y ago)

↳ In-reply-to » Public service announcement: To decode QR codes on your computer with your webcam, one option is to use the zxing gstreamer plugin (gst-plugins-bad on Arch) and then run this: gst-launch-1.0 --gst-debug=zxing:9 v4l2src ! videoconvert ! zxing ! videoconvert ! autovideosink You get a live preview and it prints to stdout once something has been decoded successfully.

@prologic@twtxt.net You think that’s cool, I just found the one in color. Try scanning them, they both go to https://mckinley.cc/. I generated them with a web tool that’s now offline. Here’s a good explanation of what’s going on: https://research.swtch.com/qart

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