2026 Migration to Pipewire + BitWig.

scripts/nl-prepare-raw-files-synth.sh

@@ -1,11 +0,0 @@
-#!/bin/bash
-
-for filename in worship.wavex altar.wavex; do
-	name=${filename%.wavex}
-	ffmpeg -i "$filename" -filter_complex 'channelsplit=channel_layout=4.1[L][R][B][X][Y]' \
-		-map '[L]' "${name}-m48.wav" \
-		-map '[R]' "${name}-drums.wav" \
-		-map '[X]' "${name}-synth-L.wav" \
-		-map '[Y]' "${name}-synth-R.wav" \
-		-map '[B]' "${name}-bass.wav"
-done

scripts/nl-prepare-raw-files.sh

@@ -1,9 +0,0 @@
-#!/bin/bash
-
-for filename in worship.wavex altar.wavex; do
-	name=${filename%.wavex}
-	ffmpeg -i "$filename" -filter_complex 'channelsplit=channel_layout=2.1[L][R][B]' \
-		-map '[L]' "${name}-m48.wav" \
-		-map '[R]' "${name}-drums.wav" \
-		-map '[B]' "${name}-bass.wav"
-done

scripts/nl-rec

@@ -1,2 +0,0 @@
-#!/bin/bash
-jack_capture --channels 3 --port system:capture_3 --port system:capture_4 --port system:capture_1 "$@"

scripts/nl-rec-1

@@ -1,2 +0,0 @@
-#!/bin/bash
-jack_capture -jt --channels 1 --port system:capture_3 sermon.wavex

scripts/nl-rec-service

@@ -1,18 +0,0 @@
-#!/bin/bash
-
-# Worship
-jack_capture --channels 3 \
-  --port system:capture_3 \
-  --port system:capture_4 \
-  --port system:capture_1 \
-  worship.wavex
-
-# sermon
-jack_capture --channels 1 --port system:capture_3 sermon.wavex
-
-# altar
-jack_capture --channels 3 \
-  --port system:capture_3 \
-  --port system:capture_4 \
-  --port system:capture_1 \
-  altar.wavex

scripts/nl-rec-service-synth

@@ -1,10 +0,0 @@
-#!/bin/bash
-
-# Worship
-jack_capture --channels 5 --port system:capture_3 --port system:capture_4 --port system:capture_1 --port yoshimi:left --port yoshimi:right worship.wavex
-
-# sermon
-jack_capture --channels 1 --port system:capture_3 sermon.wavex
-
-# altar
-jack_capture --channels 5 --port system:capture_3 --port system:capture_4 --port system:capture_1 --port yoshimi:left --port yoshimi:right altar.wavex

scripts/nl-split-rec

@@ -1,4 +0,0 @@
-#!/bin/bash
-name=${1%.wavex}
-avconv -i "$1" -filter_complex 'channelsplit=channel_layout=2.1[L][R][B]' -map '[L]' "${name}-m48.wav" -map '[R]' "${name}-drums.wav" -map '[B]' "${name}-bass.wav"
-

scripts/set-pipewire-latency.sh

@@ -0,0 +1,82 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+usage() {
+  cat <<'USAGE'
+Usage: ./set-pipewire-latency.sh COMMAND [QUANTUM] [RATE]
+
+Commands:
+  status          Show current PipeWire clock/quantum settings.
+  on [Q] [RATE]   Force a low-latency graph quantum. Defaults: Q=128 RATE=48000.
+  off             Clear forced quantum/rate and return to normal PipeWire behavior.
+
+Useful quantum values at 48 kHz:
+  256  about 5.3 ms per block, safer
+  128  about 2.7 ms per block, good stage starting point
+   64  about 1.3 ms per block, lower latency but higher dropout risk
+USAGE
+}
+
+metadata() {
+  pw-metadata -n settings "$@"
+}
+
+status() {
+  local output
+  output="$(pw-metadata -n settings)"
+  printf '%s\n' "$output" | grep -E "clock\\.(rate|quantum|min-quantum|max-quantum|force-quantum|force-rate)" || true
+
+  local rate quantum forced_quantum
+  rate="$(printf '%s\n' "$output" | awk -F"'" '/clock.rate/ { print $4; exit }')"
+  quantum="$(printf '%s\n' "$output" | awk -F"'" '/clock.quantum/ { print $4; exit }')"
+  forced_quantum="$(printf '%s\n' "$output" | awk -F"'" '/clock.force-quantum/ { print $4; exit }')"
+
+  if [[ -n "$rate" && -n "$quantum" ]]; then
+    awk -v q="$quantum" -v r="$rate" 'BEGIN { printf "\nCurrent block latency: %.2f ms at %s Hz\n", (q / r) * 1000, r }'
+  fi
+
+  if [[ "${forced_quantum:-0}" != "0" ]]; then
+    printf 'Low-latency override: ON\n'
+  else
+    printf 'Low-latency override: OFF\n'
+  fi
+}
+
+set_low_latency() {
+  local quantum="${1:-128}"
+  local rate="${2:-48000}"
+
+  if ! [[ "$quantum" =~ ^[0-9]+$ && "$rate" =~ ^[0-9]+$ ]]; then
+    printf 'Quantum and rate must be numeric.\n' >&2
+    exit 2
+  fi
+
+  metadata 0 clock.force-rate "$rate" >/dev/null
+  metadata 0 clock.force-quantum "$quantum" >/dev/null
+  awk -v q="$quantum" -v r="$rate" 'BEGIN { printf "Forced PipeWire quantum %s at %s Hz, about %.2f ms per block\n", q, r, (q / r) * 1000 }'
+}
+
+clear_low_latency() {
+  metadata 0 clock.force-quantum 0 >/dev/null
+  metadata 0 clock.force-rate 0 >/dev/null
+  printf 'Cleared PipeWire forced quantum/rate.\n'
+}
+
+case "${1:-}" in
+  status)
+    status
+    ;;
+  on)
+    set_low_latency "${2:-128}" "${3:-48000}"
+    ;;
+  off)
+    clear_low_latency
+    ;;
+  -h|--help|help|'')
+    usage
+    ;;
+  *)
+    usage >&2
+    exit 2
+    ;;
+esac

scripts/start-church-session

@@ -1,12 +0,0 @@
-#!/bin/bash
-qjackctl -s -p Church48K &
-echo "Waiting 4sec to let JACK start."
-sleep 4.0s
-jack-rack -s bass /home/music/projects/music-production/jack-rack-presets/newlife/yamaha-trb &
-jack-rack -s mix /home/music/projects/music-production/jack-rack-presets/newlife/m48-mix &
-jack-rack -s mix_drums /home/music/projects/music-production/jack-rack-presets/newlife/drums &
-jack-rack -s headphones /home/music/projects/music-production/jack-rack-presets/newlife/headphones &
-meterbridge -n meter -t dpm x x x x x &
-echo "Waiting 2 sec to let all the apps start."
-sleep 2.0s
-devilspie &

scripts/start-church-session-bass-with-synth

@@ -1,15 +0,0 @@
-#!/bin/bash
-qjackctl -s -p Church48K &
-echo "Waiting 4sec to let JACK start."
-sleep 4.0s
-jack-rack -s bass /home/music/projects/music-production/jack-rack-presets/newlife/yamaha-trb &
-jack-rack -s mix /home/music/projects/music-production/jack-rack-presets/newlife/m48-mix &
-jack-rack -s mix_drums /home/music/projects/music-production/jack-rack-presets/newlife/drums &
-jack-rack -s headphones /home/music/projects/music-production/jack-rack-presets/newlife/headphones &
-meterbridge -n meter_bass -t dpm x x x x &
-meterbridge -n meter_m48 -t dpm x x &
-yoshimi -c &
-a2jmidid &
-echo "Waiting 2 sec to let all the apps start."
-sleep 2.0s
-devilspie &

scripts/start-church-session-two-bassists

@@ -1,16 +0,0 @@
-#!/bin/bash
-qjackctl -s -p Church48K &
-echo "Waiting 4sec to let JACK start."
-sleep 4.0s
-jack-rack -s bass /home/music/projects/music-production/jack-rack-presets/newlife/yamaha-trb &
-jack-rack -s bass2 /home/music/projects/music-production/jack-rack-presets/newlife/bass2 &
-jack-rack -s mix /home/music/projects/music-production/jack-rack-presets/newlife/m48-mix &
-jack-rack -s mix_drums /home/music/projects/music-production/jack-rack-presets/newlife/drums &
-jack-rack -s headphones /home/music/projects/music-production/jack-rack-presets/newlife/headphones &
-jack-rack -s headphones2 /home/music/projects/music-production/jack-rack-presets/newlife/headphones2 &
-meterbridge -n meter_bass -t dpm x x x &
-meterbridge -n meter_bass2 -t dpm x x x &
-meterbridge -n meter_m48 -t dpm x x &
-echo "Waiting 2 sec to let all the apps start."
-sleep 2.0s
-devilspie &

scripts/start-home-session

@@ -1,9 +0,0 @@
-#!/bin/bash
-qjackctl -s -p Onboard48K &
-echo "Waiting 4sec to let JACK start."
-sleep 4.0s
-jack-rack -s bass /home/music/projects/music-production/jack-rack-presets/home/yamaha-trb &
-#jack-rack -s mix /home/music/projects/music-production/jack-rack-presets/M48-Mix &
-#jack-rack -s mix_drums /home/music/projects/music-production/jack-rack-presets/M48-Mix-Drums &
-jack-rack -s headphones /home/music/projects/music-production/jack-rack-presets/home/headphones &
-j2amidi_bridge &

scripts/start-onboard-session

@@ -1,8 +0,0 @@
-#!/bin/bash
-qjackctl -s -p Onboard48K &
-echo "Waiting 4sec to let JACK start."
-sleep 4.0s
-jack-rack -s bass /home/music/projects/music-production/jack-rack-presets/onboard/yamaha-trb &
-#jack-rack -s mix /home/music/projects/music-production/jack-rack-presets/M48-Mix &
-#jack-rack -s mix_drums /home/music/projects/music-production/jack-rack-presets/M48-Mix-Drums &
-jack-rack -s headphones /home/music/projects/music-production/jack-rack-presets/onboard/headphones &