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audio-bridge: start pipewire-pulse separately with TCP 4713 listener

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Alpine's pipewire-pulse package ships the daemon binary but doesn't
auto-load the PA bridge module on alpine. We need to start pipewire-pulse
as a separate process with -a tcp:4713 so PA clients (librespot, mopidy)
can connect via TCP.

Layout:
- pipewire: audio server (native protocol)
- pipewire-pulse: PA-compat bridge, listens on tcp:4713 + unix:/tmp/pulse-socket
- wireplumber: session manager (loads BT modules, hot-plug handling)
This commit is contained in:
David Gwilliam
2026-07-01 07:12:02 -07:00
parent 6b55a16581
commit 6c896f5165
1 changed files with 8 additions and 2 deletions
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infra/audio-bridge/entrypoint.sh
+8 -2
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@@ -35,5 +35,11 @@ fi
wireplumber & wireplumber &
sleep 1 sleep 1
# PipeWire last. pipewire-pulse auto-loads PA bridge so clients connect via TCP 4713. # PipeWire (audio server). Listens on its own native socket.
exec pipewire pipewire &
# PipeWire-Pulse daemon: PA-compatible bridge. Listen on TCP 4713 so PA clients
# (librespot, mopidy) can connect from sibling containers without unix socket
# path coupling.
sleep 1
exec pipewire-pulse -a tcp:4713 -a unix:/tmp/pulse-socket