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Sweep/vgdeband: cap x264 at ENCODE_THREADS (2) so conversions stop starving Jellyfin and the live portal

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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
This commit is contained in:
Brandyn / Techy
2026-11-01 19:30:29 -06:00
parent f32730ba94
commit 88bfda4c9d
4 changed files with 9 additions and 4 deletions
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5
bin/normalize-sweep.sh
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@@ -29,6 +29,9 @@ FILL_GAPS_MS="${FILL_GAPS_MS:-0}"
# Band removal re-encodes every stream that carried the timecode band. The raw (with band) is deleted after a
# successful encode; KEEP_RAW_STREAMS=1 keeps it in the hidden .src/ instead (doubles disk per night).
KEEP_RAW_STREAMS="${KEEP_RAW_STREAMS:-0}"
# Encoder threads for every re-encode (clips and streams). 2 leaves the box responsive for Jellyfin/live viewers;
# conversions take longer. systemd Environment=ENCODE_THREADS=... to change.
ENCODE_THREADS="${ENCODE_THREADS:-2}"
MAX_W=2560; MAX_H=1440; MAX_FPS=60
exec 9>"${LOCK_FILE:-/run/lock/normalize-sweep.lock}"
flock -n 9 || exit 0
@@ -166,7 +169,7 @@ PYEOF
if (( live )) && [[ $reason != *audio=* ]]; then aargs=(-c:a copy); fi
nice -n 15 ionice -c 3 ffmpeg -nostdin -hide_banner -loglevel error -y -i "$src" \
-map 0:v:0 -map '0:a?' \
-c:v libx264 -preset veryfast -crf 18 -maxrate 30M -bufsize 60M -pix_fmt yuv420p -profile:v high \
-c:v libx264 -preset veryfast -crf 18 -maxrate 30M -bufsize 60M -pix_fmt yuv420p -profile:v high -threads "$ENCODE_THREADS" \
-vf "$vf" -fps_mode "$fpsmode" "${fpsargs[@]}" \
"${aargs[@]}" \
"${tcargs[@]}" -movflags +faststart -f mp4 "$tmp"

2
bin/vgdeband.sh
View File

@@ -27,7 +27,7 @@ print(d.get("source","none"), 1 if d.get("band_removed") else 0, d.get("timecode
log "deband $f (${w}px wide -> crop ${band} rows; tc=$tc)"
nice -n 15 ionice -c 3 ffmpeg -nostdin -hide_banner -loglevel error -y -i "$f" \
-map 0:v:0 -map '0:a?' \
-c:v libx264 -preset veryfast -crf 18 -maxrate 30M -bufsize 60M -pix_fmt yuv420p -profile:v high \
-c:v libx264 -preset veryfast -crf 18 -maxrate 30M -bufsize 60M -pix_fmt yuv420p -profile:v high -threads "${ENCODE_THREADS:-2}" \
-vf "crop=iw:ih-${band}:0:0" -fps_mode passthrough -c:a copy \
"${tcargs[@]}" -movflags +faststart -f mp4 "$tmp"
rc=$?; d1=$(dur "$f"); d2=$(dur "$tmp")