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README/STATUS: gap filling availability and the on/off commands

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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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Brandyn / Techy
2026-10-31 16:25:08 -05:00
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README.md
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@@ -320,9 +320,16 @@ frame that exists is still at the right time — the timecode stays correct, and
hold the last frame across the hole with audio in sync. By default the sweep does **not** re-encode a stream to
fill holes (hours of CPU on this box); the sidecar lists them (`gaps.count`, `total_missing_ms`, first 50
positions). Premiere preserves timing on such files; in Resolve check the clip's frame-rate interpretation.
Opt-in filling: `Environment=FILL_GAPS_MS=1000` in `normalize-sweep.service` makes the sweep re-encode any
stream whose holes total ≥ 1 s to constant frame rate with duplicated frames (raw kept in `.src/`, timecode
carried over). Sensible once the box has a hardware encoder (SYS-3). Clips are always converted to CFR.
**Gap filling (available, off by default).** The sweep can re-encode a stream whose holes total at least
`FILL_GAPS_MS` milliseconds to constant frame rate with duplicated frames (raw kept in `.src/`, timecode carried
over). It costs ~2× the stream length in CPU on the E-2136, so it is off until the box has a hardware encoder.
Turn it on (threshold 1 s) / off, on the server:
sudo sed -i 's|^#* *Environment=FILL_GAPS_MS=.*|Environment=FILL_GAPS_MS=1000|' /etc/systemd/system/normalize-sweep.service && sudo systemctl daemon-reload
sudo sed -i 's|^Environment=FILL_GAPS_MS=.*|# Environment=FILL_GAPS_MS=1000|' /etc/systemd/system/normalize-sweep.service && sudo systemctl daemon-reload
Check: `systemctl show normalize-sweep -p Environment`. Takes effect on the next sweep run; already-published
files are not revisited. Clips are always converted to CFR regardless.
## Layout on the server