Optimizing IP Camera Streaming with DPDK
summary
Uses DPDK on an NXP i.MX8MP to map the ISP ISI frame buffer into userspace via a custom PMD and create a zero copy pipeline that packetizes camera lines into RTP/RFC4175 Ethernet frames. Processing shifts from whole-frame to line-by-line, cutting end-to-end wait from ~30 ms per frame to delivering line data every ~35 µs and running the pipeline on <1 CPU core, enabling camera → TSN switch → downstream IMX/RT → servo flow. 10x latency improvement
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