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ITA84

Member

Registered: 2019-10-02

Posts: 22

[SOLVED] Sound no longer defaults to HDMI audio after PipeWire upgrade

I have a laptop always connected to an external display via HDMI, and set my system (through the KDE Plasma System Settings) to output sound to the display speakers. After a some package updates which included the pipewire package (0.3.33), at boot I always find the default sound output set to the laptop speakers; I've tried setting it back to the HDMI output, via the system tray and also using the pactl set-default-sink command, which switches the output correctly, but after a reboot the settings are back to the laptop speakers output.

I've noticed that, after a reboot, the ~/.config/pipewire/media-session.d/default-nodes file always contains just '{  }', and it changes to

{
 "default.configured.audio.sink": { "name": "alsa_output.pci-0000_04_00.1.hdmi-stereo" }
}

after I set the audio output manually to HDMI. I can't figure out what's causing this, though...

Last edited by ITA84 (2021-08-08 13:43:13)

peterkmoss

Member

Registered: 2020-07-05

Posts: 3

Re: [SOLVED] Sound no longer defaults to HDMI audio after PipeWire upgrade

I have the exact same problem. Every time pipewire.service starts / restarts the default-nodes reset to '{ }'. Very recent update I suppose?

It might have something to do with this commit: https://gitlab.freedesktop.org/pipewire … 5d22ce1eaa but I'm not sure.

It's something that has appeared after the latest update for me (so running pipewire version 0.3.33)

Edit:

After compiling version 0.3.32 on my own machine, I can safely say, that this issue wasn't there in that version of PipeWire.
I'm looking more into the bug and will update when I figure something out.

Edit 2:

Can confirm that it it the commit that I'm referring to, that breaks default sink / source... Everything before that commit works just fine, everything after resets the default-nodes file.

Last edited by peterkmoss (2021-08-07 20:35:53)

Kindred

Member

From: Australia

Registered: 2006-03-25

Posts: 27

Re: [SOLVED] Sound no longer defaults to HDMI audio after PipeWire upgrade

Same here, default device changed since the latest update.

Last edited by Kindred (2021-08-07 22:49:53)

peterkmoss

Member

Registered: 2020-07-05

Posts: 3

Re: [SOLVED] Sound no longer defaults to HDMI audio after PipeWire upgrade

I've commented on the commit on Gitlab, so you guys can follow along there: https://gitlab.freedesktop.org/pipewire … 5d22ce1eaa

Thankfully W. Taymans is very active on the project!

ITA84

Member

Registered: 2019-10-02

Posts: 22

Re: [SOLVED] Sound no longer defaults to HDMI audio after PipeWire upgrade

Thanks a lot for your help!

peterkmoss

Member

Registered: 2020-07-05

Posts: 3

Re: [SOLVED] Sound no longer defaults to HDMI audio after PipeWire upgrade

Okay just for info, the issue seems to be fixed in master of PipeWire, so next release, which should come relatively soon I assume, will have the issue fixed. The PR is merged (https://gitlab.freedesktop.org/pipewire … quests/869), so it's only a matter of time before the next release version.

For now we'll have to live with it - or if you're impatient you could install it from source I'll just stick to the repositories.

Also big thanks to pvir, for fixing the issue so fast!

Last edited by peterkmoss (2021-08-08 13:29:30)