Suriyakumarvijayanayagam
ffae7e45d5
4 fps was not "live", and it was a number I picked rather than measured. The engine actually produces ~12 distinct frames a second, so most of it was being left on the floor. Now: poll a little ahead of the engine and drop frames identical to the last one by hash. Measured end to end - 131 frames in 10 s, 13.1 fps, 20.3 KB each, 259 KB/s, zero duplicates. Every byte on the wire is a picture the viewer has not seen, and the rate follows the camera instead of a constant. Also records why this is MJPEG rather than passing the camera's own compressed video through, which would be smoother, cheaper and use no CPU. Probed the office camera: main 2304x1296@15, sub 800x448@15 - and BOTH are H.265, despite stream paths ending in ".264". Browsers play H.264 everywhere and H.265 only on some platforms, so passthrough cannot rely on it, and transcoding HEVC on the shop PC would put a video encoder on the machine already doing the recognition. So probe_source now reports `codec`. It decides what is possible, an installer can usually change it, and otherwise the only way to learn it is to read RTSP by hand - which is how this was found. The RTSP libraries used to establish that are NOT kept: they were only ever imported by a spike test, and two large dependencies in a shipped binary to answer a question OpenCV already knows is a bad trade. Their `go get` had also silently bumped the agent to go 1.25 and broken the desktop build, which is its own argument. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01HViLj9gYNRtSr7YVZmW5sn
15 lines
441 B
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15 lines
441 B
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