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Show HN: Send me an IRL message and watch it arrive

41 点作者 GSGBen超过 1 年前
- This page is running directly on the Pico W in the stream, using microdot (but proxied out via cloudflare tunnel).<p>- There&#x27;s a buzzer that plays a sound as well but the stream has no audio.<p>- There&#x27;s a Pi Zero 2 W with a Camera Module 3 streaming the video. Streaming low latency video is painful. I tried mjpeg, Nginx+HLS&#x2F;DASH, YouTube and Twitch. Twitch is definitely the easiest and best-performing.<p>- There&#x27;s still a few seconds delay between sending your message and the video updating.

6 条评论

forgotthetimer超过 1 年前
(OP, temp user, forgot to disable the HN procrastination timer)<p>For anyone trying to do this in the future, here&#x27;s the command to stream from a modern Pi camera module &#x2F; driver to twitch. IIRC I also had to install the full version of the libcamera tools to use the libav switches.<p><pre><code> libcamera-vid -v 0 -t 0 --codec libav --libav-format flv -o &quot;rtmp:&#x2F;&#x2F;&lt;twitch stream url&gt;&#x2F;&lt;twitch stream key&gt;&quot; --rotation 180 --width 1920 --height 1080 --framerate 30 --bitrate 4000000 --autofocus-mode auto --autofocus-window 0.25,0.15,0.5,0.5</code></pre>
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vachina超过 1 年前
You need to increase the camera’s exposure time (integration time) and decrease the ISO. Could barely see the screen.
tamimio超过 1 年前
I send it and only partial parts showed, I think the camera recording the steam is on a different Hz than the screen, out of sync, could not see it properly.
globalnode超过 1 年前
your other game project &#x27;grab n throw&#x27; looks hilarious, what made you think of that? its like a funny 3d version of pong (without stuff coming back)
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gus_massa超过 1 年前
Should I see in the video the text that I had sent?<p>I see only the hand moving.
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averageRoyalty超过 1 年前
Ooh, a .au. Don&#x27;t see them often in the wild.<p>Down now, but sounded interesting!