OpenCV over WebRTC (Go example)
Languages and libraries
example application
SHOW HN2025
57points
9comments
#1,162of 3,837 in 2025
Top 31%of 2025 by points
How HN took it
CuriousMostly questions and neutral comments
1 positive, 4 neutral or asking, 0 mixed, 0 critical, out of 5 comments about the project. Thread score +0.10.
Idea: 1 for, 0 against
The thread, comment by comment
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positive neutral or mixed critical about another commenter or something else the maker
What HN said
What people liked
Cool to see OpenCV and WebRTC combined
From 2 comments
I used to do some basic CV stuff back when I did the First Robotics Competition (FRC) in high school, so it's cool to see it being done over WebRTC!
valorzard on HNNeat demo — cool to see GoCV + Pion working together over WebRTC. Curious if you’ve tried running object detection or overlays before sending the stream?
RezaSi on HN
Requests
Adapt the example to take OBS or ffmpeg input
From 1 comment
Hey good to see you, we gotta get your PR merged and on here also :) It's really cool how you can have a heavy server doing all this cool computer vision stuff, but then a simple…
Sean-Der on HN
Questions
Has object detection or overlays been tried before streaming?
From 1 comment
Neat demo — cool to see GoCV + Pion working together over WebRTC. Curious if you’ve tried running object detection or overlays before sending the stream?
RezaSi on HN
Alternatives named
GStreamer
From 1 comment
If people want to build it another way you could do any of these, examples all on the repo! * Use FFMPEG lib directly * GStreamer * Use libvpx, examples is in mediadevices repo
Sean-Der on HN