rich1.0phorkiehttps://p.cweiske.de/pipewire: change speaker/output description at runtimeChristian Weiske86400900900<!-- embedding all files of https://p.cweiske.de/962 -->
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<div class="code"><pre class="txt"><cweiske> I'd like to temporarily change the name of a pipewire output. I already found the device id 73 with "pw-cli list-objects" and see that the label that Gnome Shell shows is the "node.description" property:
<cweiske> $ pw-cli info 73 |grep node.desc
<cweiske> * node.description = "Sennheiser PC 8.2 USB Analog Stereo"
<cweiske> How can I change that?
<cweiske> I tried
<cweiske> $ pw-cli set-param 73 Props '{ props = [ 'node.description' "Headset" ] }
<cweiske> but that does not work.
<cweiske> I also tried variations like '{ props = [ "node.description": "Headset Sennheiser" ] }', but no avail
<wtay> cweiske, it's not possible to change a property like that
<wtay> cweiske, you can make a wireplumber rule to change the description though
<cweiske> I saw that in the docs: https://docs.pipewire.org/page_man_pipewire_conf_5.html
<cweiske> but I thought I could try that at run-time
<wtay> https://pipewire.pages.freedesktop.org/wireplumber/daemon/configuration/alsa.html#rules
<wtay> not possible at runtime
<cweiske> thanks for the info.</pre></div>
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</pre></td><td class="de1"><pre class="de1">$ pw-cli list-objects
        <span class="br0">[</span>...<span class="br0">]</span>
        <span class="kw2">id</span> <span class="nu0">50</span>, <span class="kw3">type</span> PipeWire:Interface:Node<span class="sy0">/</span><span class="nu0">3</span>
                object.serial = <span class="st0">"51"</span>
                object.path = <span class="st0">"alsa:pcm:3:front:3:playback"</span>
                factory.id = <span class="st0">"18"</span>
                client.id = <span class="st0">"33"</span>
                device.id = <span class="st0">"47"</span>
                priority.session = <span class="st0">"1009"</span>
                priority.driver = <span class="st0">"1009"</span>
                node.description = <span class="st0">"USB Audio Analog Stereo"</span>
                node.name = <span class="st0">"alsa_output.usb-Generic_USB_Audio-00.analog-stereo"</span>
                node.nick = <span class="st0">"USB Device 0xdb0 0x422d"</span>
                media.class = <span class="st0">"Audio/Sink"</span>
        <span class="br0">[</span>...<span class="br0">]</span>
        <span class="kw2">id</span> <span class="nu0">73</span>, <span class="kw3">type</span> PipeWire:Interface:Node<span class="sy0">/</span><span class="nu0">3</span>
                object.serial = <span class="st0">"1170"</span>
                object.path = <span class="st0">"alsa:pcm:4:front:4:playback"</span>
                factory.id = <span class="st0">"18"</span>
                client.id = <span class="st0">"33"</span>
                device.id = <span class="st0">"71"</span>
                priority.session = <span class="st0">"1009"</span>
                priority.driver = <span class="st0">"1009"</span>
                node.description = <span class="st0">"Sennheiser PC 8.2 USB Analog Stereo"</span>
                node.name = <span class="st0">"alsa_output.usb-Sennheiser_Sennheiser_PC_8.2_USB_A002900204807706-00.analog-stereo"</span>
                node.nick = <span class="st0">"Sennheiser PC 8.2 USB"</span>
                media.class = <span class="st0">"Audio/Sink"</span>
        <span class="br0">[</span>...<span class="br0">]</span>
 
$ pw-cli info <span class="nu0">50</span> <span class="sy0">|</span><span class="kw2">grep</span> node.desc
<span class="sy0">*</span>               node.description = <span class="st0">"USB Audio Analog Stereo"</span>
 
$ pw-cli info <span class="nu0">73</span> <span class="sy0">|</span><span class="kw2">grep</span> node.desc
<span class="sy0">*</span>               node.description = <span class="st0">"Sennheiser PC 8.2 USB Analog Stereo"</span>
 
$ pw-dump <span class="nu0">73</span><span class="sy0">|</span>jq <span class="st_h">'.[0].info.props["node.description"]'</span>
<span class="st0">"Sennheiser PC 8.2 USB Analog Stereo"</span>
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<ul class="simple">
<li><a class="reference external" href="https://docs.pipewire.org/page_man_pipewire_conf_5.html#pipewire_conf__device_rules">https://docs.pipewire.org/page_man_pipewire_conf_5.html#pipewire_conf__device_rules</a></li>
<li><a class="reference external" href="https://pipewire.pages.freedesktop.org/wireplumber/daemon/configuration/alsa.html#rules">https://pipewire.pages.freedesktop.org/wireplumber/daemon/configuration/alsa.html#rules</a></li>
</ul>
<p>/etc/pipewire/pipewire.conf.d/cweiske-device-names.conf</p>
<p>Debugging:</p>
<pre class="literal-block">
$ systemctl --user restart pipewire wireplumber
$ journalctl --user-unit=pipewire --user-unit=wireplumber -f
</pre>
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