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RTSP with C++ Qt GUI

This story is from 2026-08-22. It is preserved in the archive; the latest stories are on the live feed.

It seems like converting V4L2 video stream to a QPixelMap is terrible and laggy to fit into a C++ Qt GUI. Are there any suggestions you may have for increasing performance? Is Qt the bottleneck? Would you use another framework instead?

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  1. 2026-08-22 22:32 · r/computervision
    RTSP with C++ Qt GUI

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