f-denkena/livekit-cameras
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42443420be99f4eb0c95c9dc44c82fbc2291f272
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7 Commits
Author SHA1 Message Date
root 736eccb932 feat: known-good CPU audio + 1080p VAAPI + KMS display wall 
Working snapshot before the OpenVINO MetricGAN GPU spike:
thread-capped SpeechBrain DelaySum+MetricGAN on CPU, hop 200 ms,
video hold for A/V sync, Arc VAAPI H.264, headless kmssink wall.
32 tests passing. Do not treat this as a GPU audio path.
 2026-08-28 07:14:21 +00:00
root 36c4bbc956 perf: ALSA ffmpeg low-delay flags 
nobuffer, low_delay, and a small thread_queue_size on the camera
mic capture process.
 2026-08-28 06:19:44 +00:00
root b02138669a perf: reuse GCC-PHAT TDOA; skip 16 kHz AudioNormalizer 
Delay-and-Sum still uses the tutorial STFT/cov/GCC-PHAT/DelaySum/ISTFT
path. TDOA is refreshed every BEAMFORM_TDOA_EVERY hops (default 5).
 2026-08-28 06:19:02 +00:00
root 23c2e9c4c0 perf: cap torch threads per camera worker 
Default TORCH_NUM_THREADS=1 so 14-20 workers do not each spawn a
28-thread BLAS pool.
 2026-08-28 06:17:33 +00:00
root 950128deec feat: DelaySum beamform plus hop process latency 
Keep C920 stereo through SpeechBrain GCC-PHAT Delay-and-Sum, then
MetricGAN, and publish mono to LiveKit. Record last_dt_ms and log
process_ms/capture_ms every 50 hops for the latency plan.
 2026-08-28 06:16:25 +00:00
Hermes d8452c0ffe feat: overlap-window speechbrain enhance, hop 200ms / window 1s 2026-08-28 05:17:13 +00:00
Hermes 628307ff12 test: lock speechbrain lengths and identity camera filter 
Filter --cameras 1,5 by cam-NN identity instead of discovery index.
 2026-08-28 05:15:49 +00:00