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Publish and subscribe over wss://livekit.uni-wh.de:7800 and refuse cleartext ws://. Conference room is uwh-telhai. Includes the uncommitted encoded H.264 publish path, Rally hairpin, and KMS wall overlay.
16 lines
722 B
Markdown
16 lines
722 B
Markdown
# livekit-ffi-backpressure.patch
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Apply on livekit/rust-sdks (webrtc-sys VAAPI + VideoTrackSource).
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1. VideoSource: latest-wins pending slot — at most one OnFrame in flight;
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a new capture overwrites pending instead of pushing another I420 onto
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EncoderQueue.
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2. VAAPI H264 Encode: drop delta frames older than 1 frame period, or
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Encode calls closer than 8 ms (queue drain), *before* ToI420.
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Logs `VAAPI encode sample delay_ms=` every 90 frames so the clock
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domain is visible in the cameras journal.
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Rebuild: `CC=clang CXX=clang++ cargo build --release -p livekit-ffi`
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Install: copy `target/release/liblivekit_ffi.so` to `native/` and set
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`LIVEKIT_LIB_PATH` (see systemd drop-in `ffi-backpressure.conf`).
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