jalr/nixos-configuration
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Revert "Split UMC202HD inputs into mono channels"

Browse source 
This reverts commit d2b01eaf44.

pipewire-media-session is no longer supported upstream and has been removed
This commit is contained in:
Jakob Lechner 2023-05-23 14:39:31 +00:00
parent 39371c5367
commit 0b97afa7ce
No known key found for this signature in database
GPG key ID: 996082EFB5906C10
2 changed files with 10 additions and 54 deletions
Download patch file Download diff file Expand all files Collapse all files

44
modules/pipewire.nix
View file

@ -1,10 +1,5 @@
{ config, lib, pkgs, ... }:
let
defaults = {
media-session = (builtins.fromJSON (builtins.readFile "${pkgs.pipewire-media-session}/nix-support/media-session.conf.json"));
};
in
lib.mkIf config.myConfig.gui.enable {
sound.enable = true;
hardware.pulseaudio.enable = false;
@ -40,43 +35,4 @@ lib.mkIf config.myConfig.gui.enable {
value = "unlimited";
}
];
# Split U-PHORIA inputs into mono channels
# https://gitlab.freedesktop.org/pipewire/pipewire/-/wikis/Virtual-Devices#behringer-umc404hd-micguitar-virtual-sources
services.pipewire.media-session.config.media-session."context.modules" = defaults.media-session."context.modules" ++ [
{
name = "libpipewire-module-loopback";
args = {
"node.name" = "UMC202HD_input1";
"node.description" = "UMC202HD Input 1";
"capture.props" = {
"audio.position" = [ "AUX0" ];
"stream.dont-remix" = true;
"node.target" = "alsa_input.usb-BEHRINGER_UMC202HD_192k-00.pro-input-0";
"node.passive" = true;
};
"playback.props" = {
"media.class" = "Audio/Source";
"audio.position" = [ "MONO" ];
};
};
}
{
name = "libpipewire-module-loopback";
args = {
"node.name" = "UMC202HD_input2";
"node.description" = "UMC202HD Input 2";
"capture.props" = {
"audio.position" = [ "AUX1" ];
"stream.dont-remix" = true;
"node.target" = "alsa_input.usb-BEHRINGER_UMC202HD_192k-00.pro-input-0";
"node.passive" = true;
};
"playback.props" = {
"media.class" = "Audio/Source";
"audio.position" = [ "MONO" ];
};
};
}
];
}

18
pkgs/mute-indicator/pulseaudio_mute_indicator/service.py
View file

@ -3,24 +3,24 @@ import serial
def run():
source_to_led_mapping = {
"UMC202HD_input1": 0,
"UMC202HD_input2": 1,
}
with pulsectl.Pulse("event-printer") as pulse:
def print_events(ev):
with pulsectl.Pulse("event-source-info") as pulse2:
source = pulse2.source_info(ev.index)
if source.name in source_to_led_mapping.keys():
if source.name in [
"alsa_input.usb-BEHRINGER_UMC202HD_192k-00.analog-stereo",
"alsa_input.usb-BEHRINGER_UMC202HD_192k-00.analog-stereo-input",
]:
muted = bool(source.mute)
led = source_to_led_mapping[source.name]
with serial.Serial(port="/dev/mute-indicator", baudrate=115200) as ser:
if muted:
ser.write(f"L{led}:32,0,0\n".encode())
ser.write("L0:32,0,0\n".encode())
ser.write("L1:32,0,0\n".encode())
ser.write("S\n".encode())
else:
ser.write(f"L{led}:0,32,0\n".encode())
ser.write("L0:0,32,0\n".encode())
ser.write("L1:0,32,0\n".encode())
ser.write("S\n".encode())
pulse.event_mask_set("source")