189 lines
7.0 KiB
Bash
Executable File
189 lines
7.0 KiB
Bash
Executable File
#!/bin/bash
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# Apply the MacBook Pro 15,1 audio DSP graph:
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# build the effective graph, preflight the prerequisites, install, reload.
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#
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# ./apply.sh validate + preflight + build + install + reload
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# ./apply.sh -f skip the preflight checks (JSON validation still runs)
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#
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# If user_eq.json exists next to this script, its contents replace the
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# "user_eq" node's control block (requires jq) - copy user_eq.example.json to
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# user_eq.json and edit. The merged graph is written to ~/.audiograph.json and
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# that file is what gets installed.
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set -u
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SCRIPT_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd -P)"
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GRAPH_SRC="$SCRIPT_DIR/graph.json"
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OVERRIDE="$SCRIPT_DIR/user_eq.json"
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MERGED="$HOME/.audiograph.json"
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GRAPH_DST="/usr/share/t2-linux-audio/15_1/graph.json"
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FORCE=0
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SIMPLE=0
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HOT=0
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for arg in "${@:-}"; do
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case "$arg" in
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-f|--force|--no-check) FORCE=1 ;;
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-b|--bake|--simple) SIMPLE=1 ;;
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-h|--hot|--soft) HOT=1 ;;
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esac
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done
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have() { command -v "$1" >/dev/null 2>&1; }
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die() { echo "Error: $*" >&2; exit 1; }
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if [ "$SIMPLE" -eq 1 ]; then
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echo "==> Baking static DSP stages into single-stage FIR files..."
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python3 "$SCRIPT_DIR/bake-graph.py" || die "bake-graph.py failed"
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GRAPH_SRC="$SCRIPT_DIR/graph_simple.json"
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echo "==> Installing baked FIR files -> /usr/share/t2-linux-audio/15_1/"
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sudo cp "$SCRIPT_DIR/15_1/baked-"*.wav "/usr/share/t2-linux-audio/15_1/" || die "Failed to copy baked FIR files"
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fi
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# --- json validation helper -------------------------------------------
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json_ok() {
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have python3 && { python3 -c 'import json, sys; json.load(open(sys.argv[1]))' "$1" 2>/dev/null && return 0; return 1; }
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have jq && { jq . "$1" >/dev/null 2>&1 && return 0; return 1; }
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return 2 # cannot check
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}
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json_ok "$GRAPH_SRC"; rc=$?
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[ "$rc" -eq 1 ] && die "graph.json is not valid JSON"
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[ "$rc" -eq 2 ] && echo "warn: no python3/jq - skipping JSON validation"
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[ "$rc" -eq 0 ] && echo "ok: graph.json is valid JSON"
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# --- build the effective graph -> ~/.audiograph.json --------------------
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if [ "$SIMPLE" -eq 1 ]; then
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cp "$GRAPH_SRC" "$MERGED"
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echo "ok: baked single-stage graph_simple.json -> $MERGED"
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elif [ -f "$OVERRIDE" ]; then
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have jq || die "$OVERRIDE exists but jq is not installed"
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jq -e . "$OVERRIDE" >/dev/null 2>&1 || die "$OVERRIDE is not valid JSON"
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jq -e 'any(.["filter.graph"].nodes[]; .name == "user_eq")' "$GRAPH_SRC" >/dev/null \
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|| die "$GRAPH_SRC has no node named user_eq to override"
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jq --slurpfile ov "$OVERRIDE" \
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'(.["filter.graph"].nodes[] | select(.name == "user_eq") | .control) = $ov[0]' \
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"$GRAPH_SRC" > "$MERGED" || die "jq merge failed"
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echo "ok: merged user_eq.json -> $MERGED"
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else
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cp "$GRAPH_SRC" "$MERGED"
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echo "ok: no user_eq.json - graph as-is -> $MERGED"
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fi
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json_ok "$MERGED"; rc=$?
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[ "$rc" -eq 1 ] && die "merged graph $MERGED is not valid JSON"
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# --- preflight (against the merged graph) ------------------------------
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if [ "$FORCE" -eq 0 ]; then
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[ -d "$(dirname "$GRAPH_DST")" ] || die \
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"destination directory $(dirname "$GRAPH_DST") does not exist (is t2-linux-audio-15-1 installed?)"
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# check all convolver wav files exist
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if have jq; then
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wav_files=$(jq -r '.. | .filename? | strings' "$MERGED")
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for wav in $wav_files; do
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[ -f "$wav" ] || die "FIR WAV file missing: $wav"
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done
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echo "ok: FIR .wav files present"
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fi
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# check plugin URIs resolve
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if have lv2ls && have jq; then
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installed_lv2=$(lv2ls)
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graph_lv2=$(jq -r '.["filter.graph"].nodes[] | select(.type=="lv2") | .plugin' "$MERGED")
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for uri in $graph_lv2; do
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echo "$installed_lv2" | grep -Fqx "$uri" || die \
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"LV2 plugin URI missing: $uri (check lilv-utils/installed plugins)"
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done
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echo "ok: all LV2 plugins resolve"
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else
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echo "warn: lv2ls not found - cannot verify plugins (install lilv-utils / lilv)"
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fi
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fi
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# --- preserve master volume (only needed for full WirePlumber restart) --
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SAVED_VOL=""
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IS_MUTED=0
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if [ "$HOT" -eq 0 ] && have wpctl; then
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VOL_OUT="$(wpctl get-volume @DEFAULT_AUDIO_SINK@ 2>/dev/null || true)"
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if [ -n "$VOL_OUT" ]; then
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SAVED_VOL="$(echo "$VOL_OUT" | awk '{print $2}')"
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if echo "$VOL_OUT" | grep -qi "MUTED"; then
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IS_MUTED=1
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fi
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fi
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fi
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# --- install ----------------------------------------------------------
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if [ "$SIMPLE" -eq 1 ]; then
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echo "Installing baked FIR files -> $(dirname "$GRAPH_DST")/"
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for f in "$SCRIPT_DIR/15_1/baked-"*.wav; do
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bn="$(basename "$f")"
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sudo cp "$f" "$(dirname "$GRAPH_DST")/$bn.tmp"
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sudo mv -f "$(dirname "$GRAPH_DST")/$bn.tmp" "$(dirname "$GRAPH_DST")/$bn"
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done
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fi
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echo "Installing $MERGED -> $GRAPH_DST"
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sudo cp "$MERGED" "$GRAPH_DST.tmp"
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sudo mv -f "$GRAPH_DST.tmp" "$GRAPH_DST"
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if [ "$HOT" -eq 1 ]; then
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echo "Hot-reloading WirePlumber graph (zero audio drop)..."
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if systemctl --user reload wireplumber 2>/dev/null || pkill -HUP -f wireplumber 2>/dev/null; then
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echo "ok: sent SIGHUP live reload to WirePlumber"
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sleep 0.4
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else
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echo "warn: SIGHUP failed - restarting WirePlumber fallback"
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systemctl --user restart wireplumber
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sleep 1.2
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fi
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# Ensure output is unmuted after live reload
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if [ -n "$SAVED_VOL" ] && have wpctl; then
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wpctl set-mute @DEFAULT_AUDIO_SINK@ 0 2>/dev/null || true
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wpctl set-volume @DEFAULT_AUDIO_SINK@ "$SAVED_VOL" 2>/dev/null || true
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fi
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echo "Done - FIR graph reloaded live."
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exit 0
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fi
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# --- full WirePlumber restart -----------------------------------------
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echo "Restarting WirePlumber"
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systemctl --user restart wireplumber
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sleep 1.2
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# --- wait for DSP sink to be active & restore master volume ------------
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for i in {1..6}; do
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if have wpctl && wpctl status 2>/dev/null | grep -qi "DSP Speakers"; then
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break
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fi
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sleep 0.5
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done
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if [ -n "$SAVED_VOL" ] && have wpctl; then
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# Force unmute on default sink + explicit DSP Speakers sink ID
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wpctl set-mute @DEFAULT_AUDIO_SINK@ 0 2>/dev/null || true
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DSP_ID="$(wpctl status 2>/dev/null | grep -i "DSP Speakers" | grep -oE '[0-9]+\.' | head -n1 | tr -d '.')"
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if [ -n "$DSP_ID" ]; then
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wpctl set-mute "$DSP_ID" 0 2>/dev/null || true
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wpctl set-volume "$DSP_ID" "$SAVED_VOL" 2>/dev/null || true
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fi
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wpctl set-volume @DEFAULT_AUDIO_SINK@ "$SAVED_VOL" 2>/dev/null || true
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if [ "$IS_MUTED" -eq 1 ]; then
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wpctl set-mute @DEFAULT_AUDIO_SINK@ 1 2>/dev/null || true
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[ -n "$DSP_ID" ] && wpctl set-mute "$DSP_ID" 1 2>/dev/null || true
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fi
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echo "ok: preserved master volume (${SAVED_VOL})"
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fi
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# --- confirm --------------------------------------------------------
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if have wpctl && wpctl status 2>/dev/null | grep -qi "DSP Speakers"; then
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echo "Done - 'MacBook Pro 15,1 DSP Speakers' sink is up."
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else
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echo "Done - graph installed, WirePlumber reloaded."
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echo "If no 'DSP Speakers' sink shows: journalctl --user -u wireplumber -b -e"
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fi
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