Files
nr-flow-validator/infra/audio-bridge/entrypoint.sh
T
david fff67f2baa audio-bridge: custom pipewire-pulse.conf with TCP 4713 listener
Alpine's pipewire-pulse binary is stripped (-a option removed); the
only way to configure listening address is via config file. Add
/etc/pipewire/pipewire-pulse.conf that overrides server.address to
include tcp:4713 alongside the default unix:native socket.

Server addresses now:
- unix:native (for in-container clients)
- tcp:4713 (for sibling containers connecting via PULSE_SERVER env var)
2026-07-01 07:14:20 -07:00

46 lines
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#!/bin/sh
# audio-bridge entrypoint
# Starts DBus (system + session), BlueZ, WirePlumber, then PipeWire.
# PA clients (librespot, mopidy) connect via pipewire-pulse bridge on TCP localhost:4713.
set -e
mkdir -p /run/dbus /run/user/0
chmod 0755 /run/dbus
chmod 0700 /run/user/0
# Clean up stale pid files from previous container runs (host volume persists).
rm -f /run/dbus/dbus.pid /run/user/0/dbus.pid
# System DBus (needed by bluetoothd, wireplumber)
dbus-daemon --system --fork
sleep 0.5
# Session DBus (needed by PipeWire for portal/jackdbus-detect modules).
# Use XDG_RUNTIME_DIR=/run/user/0 so dbus-launch puts socket there.
export XDG_RUNTIME_DIR=/run/user/0
dbus-daemon --session --address=unix:path=/run/user/0/bus --fork
sleep 0.3
# BlueZ (Bluetooth stack). --compat = legacy mode for older audio devices.
# Disabled if no /sys/class/bluetooth — wireplumber will skip BT modules.
if [ -d /sys/class/bluetooth ]; then
/usr/lib/bluetooth/bluetoothd --compat --nodetach &
sleep 0.5
echo "[audio-bridge] bluetoothd started"
else
echo "[audio-bridge] no bluetooth hardware — skipping bluetoothd"
fi
# WirePlumber first (manages PipeWire session/policy, loads BT modules on demand)
wireplumber &
sleep 1
# PipeWire (audio server). Listens on its own native socket.
pipewire &
# PipeWire-Pulse daemon: PA-compatible bridge. Custom config in
# /etc/pipewire/pipewire-pulse.conf sets server.address = [unix:native, tcp:4713]
# so PA clients (librespot, mopidy) connect via tcp:127.0.0.1:4713.
sleep 1
exec pipewire-pulse