Video real lifecam

Initial experiments were sadly fraught with issues.Getting the software to recognize the webcam plugged into my Pi Zero took forever, and when I did get eventually get the stream up and running, it was far too laggy to be useful.Latency was under 500ms, which I considered acceptable. MJPEGstreamer didn’t handle low speed connections well.The software insisted on sending every frame no matter what, so if the connection hit a rough patch, MJPEGstreamer would wait until the frames were sent.“rtpjpegdepay” then unpacks the RTP stream into individual JPEG frames, which are then decoded by “jpegdec” and sent out to the screen by “autovideosink”.This might seem straightforward, but it can take a lot of experimentation to get a working pipeline on both ends.

However, if you need live video with as little latency as possible, things get more difficult.The Raspberry Pi is an incredibly versatile computing platform, particularly when it comes to embedded applications.They’re used in all kinds of security and monitoring projects to take still shots over time, or record video footage for later review.Streaming over Wi Fi and waving my hands in front of the camera showed I had a delay of at least two or three seconds.While I could have possibly optimized it further, I decided to move on and try to find something a little more lightweight.

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