!XrtRvzcHOrHtSKARne:nixos.org

NixOS Audio

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5 Aug 2022
@daxvena:matrix.orgdaxvena changed their display name from daxvena to Kira Bruneau.01:27:15
@sjfloat:matrix.orgsjfloatAs a reminder, we have an opportunity to improve the wiki docs. I'd like to create a general `audio` page. As it is, there is only an `audio` category.10:55:17
@sjfloat:matrix.orgsjfloatI'd like there to be a general audio landing page to help people decide how to choose a configuration that best supports their particular needs.10:58:00
@sjfloat:matrix.orgsjfloatFor example, the box in question may not even be a general purpose machine and they may have no need for pipewire or pulseaudio. For that may, they may not even need jack. How would one go about setting up such a thing?11:01:05
@sjfloat:matrix.orgsjfloat* For example, the box in question may not even be a general purpose machine and they may have no need for pipewire or pulseaudio. For that matter, they may not even need jack. How would one go about setting up such a thing?11:01:29
@sjfloat:matrix.orgsjfloatHow many here are working with a more purpose-specific configuration?11:02:49
@sjfloat:matrix.orgsjfloatMore generally, what kinds of audio things are people doing?11:18:14
6 Aug 2022
@yuu:matrix.orgYuu Yin changed their display name from yuu to yuu[m].17:42:30
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9 Aug 2022
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13 Aug 2022
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17 Aug 2022
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23 Aug 2022
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30 Aug 2022
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5 Sep 2022
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12 Sep 2022
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15 Sep 2022
@zeorin:matrix.orgXandor SchieferHey all, every time I reboot my sound is in stereo mode instead of 5.1, how do I get it to persist?11:13:49
@zeorin:matrix.orgXandor Schiefer I'm using pipewire. I currently use alsamixer to switch to 6 channel and then restart pipewire and pipewire-pulse services. 11:15:07
@sjfloat:matrix.orgsjfloatI'm not sure, but I suspect it needs to be configured in your system config.11:24:47
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20 Sep 2022
@ctem:matrix.orgctem Hi all, has anyone tried ossia score (e.g., with this PR)? Wondering if anyone got LV2 support working. 12:52:56
23 Sep 2022
@ctem:matrix.orgctem

For anyone curious, LV2 support is in fact enabled when built from the package in the PR, but LV2 plugin paths are not configurable from the GUI. For plugins to show up, the LV2_PATH environment variable needs to be set. In my case using home manager, it's something like /etc/profiles/per-user/username/lib/lv2:$LV2_PATH. Plugins are usable, and their parameters are exposed in score's inspector panel, but launching any plugin's custom UI currently results in error:

suil error: Unable to wrap UI type <http://lv2plug.in/ns/extensions/ui#X11UI> as type <http://lv2plug.in/ns/extensions/ui#Qt5UI>

Score's lead dev wondered if this an issue between suil and Nix, noting that the error indicates that suil can't find /usr/lib/suil-0/libsuil_x11_in_qt5.so. Other programs in nixpkgs that depend on suil (e.g. Ardour) seem to have no trouble displaying plugin UIs, however. There's also nothing special in the packages wrt suil; suil is simply specified as a build input.

Any thoughts?

14:05:16
@ctem:matrix.orgctem *

For anyone curious, LV2 support is in fact enabled when built from the package in the PR, but LV2 plugin paths are not configurable from the GUI. Depending on your system configuration, the LV2_PATH environment variable may need to be set for plugins to show up. In my case using home manager, it's something like /etc/profiles/per-user/username/lib/lv2:$LV2_PATH.

Plugins are usable, and their parameters are exposed in score's inspector panel, but launching any plugin's custom UI currently results in error:

suil error: Unable to wrap UI type <http://lv2plug.in/ns/extensions/ui#X11UI> as type <http://lv2plug.in/ns/extensions/ui#Qt5UI>

Score's lead dev wondered if this an issue between suil and Nix, noting that the error indicates that suil can't find /usr/lib/suil-0/libsuil_x11_in_qt5.so. Other programs in nixpkgs that depend on suil (e.g. Ardour) seem to have no trouble displaying plugin UIs, however. There's also nothing special in the packages wrt suil; suil is simply specified as a build input.

Any thoughts?

14:07:39
26 Sep 2022
@yuu:matrix.orgYuu YinThat path does not exist on nix/nixos. It should look into the /nix/store instead. So patch suil to look into whatever package has that so file15:30:24

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