Hi,
This can be achieved fairly "simply" (as long as you know what to look for).
You need to pass the pulse socket into the container and tell pulse clients inside the container its precise path.
So on Docker CLI, for a typical Pulse daemon running in userspace, it would be something like:
-v
/run/user/1000/pulse:/run/user/1000/pulse |
Inside the container, once you've installed Pulseaudio, you need to modify its client configuration:
/etc/pulse/client.conf
default-server = /run/user/1000/pulse/native |
With this your Pulseaudio applications should be able to play sounds through the host PulseAudio server (of course, you'd need to adapt the runtime paths to your environment).
Bear in mind, there seems to be some inconsistencies in the way
various Pulse utilities interface with the daemon. In this setup
for example, "pacmd" won't work,
whilst "pactl" works fine once the
client configuration is fixed.
You could test this in a manual way first and then automate things a bit with a Dockerfile and what not.
Best regards.
Hi,
I have spend several days without success figuring out how I can use pulseaudio in a container setup on an embedded device.
I am running CentOs 8 on a headless device (intel-nuc) which is also running docker.
I would like to run pulseaudio server on the host (CentOs 8) and my docker containers should be able to use pulseaudio client to communicate with the pulseaudio server via pulseaudio unix socket.
Moreover it should be possible that different docker containers can access the microphone and speaker at the same time.
The main problem I am facing I have reported in following forum post:
I also think that pulseaudio has the good requirements for use in a container setup if I only can make it work.Jan.
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