···

       
28
       
 
       
  name = "simple-x11-env";

     

       
29
       
 
       
  targetPkgs = pkgs: (with pkgs;

     

       
30
       
 
       
    [ udev

     

       
31
       
-
       
      alsaLib

     

       
32
       
 
       
    ]) ++ (with pkgs.xorg;

     

       
33
       
 
       
    [ libX11

     

       
34
       
 
       
      libXcursor

     
···

       
36
       
 
       
    ]);

     

       
37
       
 
       
  multiPkgs = pkgs: (with pkgs;

     

       
38
       
 
       
    [ udev

     

       
39
       
-
       
      alsaLib

     

       
40
       
 
       
    ]);

     

       
41
       
 
       
  runScript = "bash";

     

       
42
       
 
       
}).env

     

···

       
28
       
 
       
  name = "simple-x11-env";

     

       
29
       
 
       
  targetPkgs = pkgs: (with pkgs;

     

       
30
       
 
       
    [ udev

     

       
31
       
+
       
      alsa-lib

     

       
32
       
 
       
    ]) ++ (with pkgs.xorg;

     

       
33
       
 
       
    [ libX11

     

       
34
       
 
       
      libXcursor

     
···

       
36
       
 
       
    ]);

     

       
37
       
 
       
  multiPkgs = pkgs: (with pkgs;

     

       
38
       
 
       
    [ udev

     

       
39
       
+
       
      alsa-lib

     

       
40
       
 
       
    ]);

     

       
41
       
 
       
  runScript = "bash";

     

       
42
       
 
       
}).env

     

···

       
17
       
 
       
  binary = "${getBin overriddenPackage}/bin/pulseaudio";

     

       
18
       
 
       
  binaryNoDaemon = "${binary} --daemonize=no";

     

       
19
       
 
       


     

       
20
       
-
       
  # Forces 32bit pulseaudio and alsaPlugins to be built/supported for apps

     

       
21
       
 
       
  # using 32bit alsa on 64bit linux.

     

       
22
       
-
       
  enable32BitAlsaPlugins = cfg.support32Bit && stdenv.isx86_64 && (pkgs.pkgsi686Linux.alsaLib != null && pkgs.pkgsi686Linux.libpulseaudio != null);

     

       
23
       
 
       


     

       
24
       
 
       


     

       
25
       
 
       
  myConfigFile =

     
···

       
62
       
 
       
  # plugin.

     

       
63
       
 
       
  alsaConf = writeText "asound.conf" (''

     

       
64
       
 
       
    pcm_type.pulse {

     

       
65
       
-
       
      libs.native = ${pkgs.alsaPlugins}/lib/alsa-lib/libasound_module_pcm_pulse.so ;

     

       
66
       
 
       
      ${lib.optionalString enable32BitAlsaPlugins

     

       
67
       
-
       
     "libs.32Bit = ${pkgs.pkgsi686Linux.alsaPlugins}/lib/alsa-lib/libasound_module_pcm_pulse.so ;"}

     

       
68
       
 
       
    }

     

       
69
       
 
       
    pcm.!default {

     

       
70
       
 
       
      type pulse

     

       
71
       
 
       
      hint.description "Default Audio Device (via PulseAudio)"

     

       
72
       
 
       
    }

     

       
73
       
 
       
    ctl_type.pulse {

     

       
74
       
-
       
      libs.native = ${pkgs.alsaPlugins}/lib/alsa-lib/libasound_module_ctl_pulse.so ;

     

       
75
       
 
       
      ${lib.optionalString enable32BitAlsaPlugins

     

       
76
       
-
       
     "libs.32Bit = ${pkgs.pkgsi686Linux.alsaPlugins}/lib/alsa-lib/libasound_module_ctl_pulse.so ;"}

     

       
77
       
 
       
    }

     

       
78
       
 
       
    ctl.!default {

     

       
79
       
 
       
      type pulse

     

···

       
17
       
 
       
  binary = "${getBin overriddenPackage}/bin/pulseaudio";

     

       
18
       
 
       
  binaryNoDaemon = "${binary} --daemonize=no";

     

       
19
       
 
       


     

       
20
       
+
       
  # Forces 32bit pulseaudio and alsa-plugins to be built/supported for apps

     

       
21
       
 
       
  # using 32bit alsa on 64bit linux.

     

       
22
       
+
       
  enable32BitAlsaPlugins = cfg.support32Bit && stdenv.isx86_64 && (pkgs.pkgsi686Linux.alsa-lib != null && pkgs.pkgsi686Linux.libpulseaudio != null);

     

       
23
       
 
       


     

       
24
       
 
       


     

       
25
       
 
       
  myConfigFile =

     
···

       
62
       
 
       
  # plugin.

     

       
63
       
 
       
  alsaConf = writeText "asound.conf" (''

     

       
64
       
 
       
    pcm_type.pulse {

     

       
65
       
+
       
      libs.native = ${pkgs.alsa-plugins}/lib/alsa-lib/libasound_module_pcm_pulse.so ;

     

       
66
       
 
       
      ${lib.optionalString enable32BitAlsaPlugins

     

       
67
       
+
       
     "libs.32Bit = ${pkgs.pkgsi686Linux.alsa-plugins}/lib/alsa-lib/libasound_module_pcm_pulse.so ;"}

     

       
68
       
 
       
    }

     

       
69
       
 
       
    pcm.!default {

     

       
70
       
 
       
      type pulse

     

       
71
       
 
       
      hint.description "Default Audio Device (via PulseAudio)"

     

       
72
       
 
       
    }

     

       
73
       
 
       
    ctl_type.pulse {

     

       
74
       
+
       
      libs.native = ${pkgs.alsa-plugins}/lib/alsa-lib/libasound_module_ctl_pulse.so ;

     

       
75
       
 
       
      ${lib.optionalString enable32BitAlsaPlugins

     

       
76
       
+
       
     "libs.32Bit = ${pkgs.pkgsi686Linux.alsa-plugins}/lib/alsa-lib/libasound_module_ctl_pulse.so ;"}

     

       
77
       
 
       
    }

     

       
78
       
 
       
    ctl.!default {

     

       
79
       
 
       
      type pulse

     

···

       
5
       
 
       


     

       
6
       
 
       
let

     

       
7
       
 
       


     

       
8
       
-
       
  inherit (pkgs) alsaUtils;

     

       
9
       
 
       


     

       
10
       
 
       
  pulseaudioEnabled = config.hardware.pulseaudio.enable;

     

       
11
       
 
       


     
···

       
88
       
 
       


     

       
89
       
 
       
  config = mkIf config.sound.enable {

     

       
90
       
 
       


     

       
91
       
-
       
    environment.systemPackages = [ alsaUtils ];

     

       
92
       
 
       


     

       
93
       
 
       
    environment.etc = mkIf (!pulseaudioEnabled && config.sound.extraConfig != "")

     

       
94
       
 
       
      { "asound.conf".text = config.sound.extraConfig; };

     

       
95
       
 
       


     

       
96
       
 
       
    # ALSA provides a udev rule for restoring volume settings.

     

       
97
       
-
       
    services.udev.packages = [ alsaUtils ];

     

       
98
       
 
       


     

       
99
       
 
       
    boot.kernelModules = optional config.sound.enableOSSEmulation "snd_pcm_oss";

     

       
100
       
 
       


     
···

       
107
       
 
       
          Type = "oneshot";

     

       
108
       
 
       
          RemainAfterExit = true;

     

       
109
       
 
       
          ExecStart = "${pkgs.coreutils}/bin/mkdir -p /var/lib/alsa";

     

       
110
       
-
       
          ExecStop = "${alsaUtils}/sbin/alsactl store --ignore";

     

       
111
       
 
       
        };

     

       
112
       
 
       
      };

     

       
113
       
 
       


     
···

       
115
       
 
       
      enable = true;

     

       
116
       
 
       
      bindings = [

     

       
117
       
 
       
        # "Mute" media key

     

       
118
       
-
       
        { keys = [ 113 ]; events = [ "key" ];       command = "${alsaUtils}/bin/amixer -q set Master toggle"; }

     

       
119
       
 
       


     

       
120
       
 
       
        # "Lower Volume" media key

     

       
121
       
-
       
        { keys = [ 114 ]; events = [ "key" "rep" ]; command = "${alsaUtils}/bin/amixer -q set Master ${config.sound.mediaKeys.volumeStep}- unmute"; }

     

       
122
       
 
       


     

       
123
       
 
       
        # "Raise Volume" media key

     

       
124
       
-
       
        { keys = [ 115 ]; events = [ "key" "rep" ]; command = "${alsaUtils}/bin/amixer -q set Master ${config.sound.mediaKeys.volumeStep}+ unmute"; }

     

       
125
       
 
       


     

       
126
       
 
       
        # "Mic Mute" media key

     

       
127
       
-
       
        { keys = [ 190 ]; events = [ "key" ];       command = "${alsaUtils}/bin/amixer -q set Capture toggle"; }

     

       
128
       
 
       
      ];

     

       
129
       
 
       
    };

     

       
130
       
 
       


     

···

       
5
       
 
       


     

       
6
       
 
       
let

     

       
7
       
 
       


     

       
8
       
+
       
  inherit (pkgs) alsa-utils;

     

       
9
       
 
       


     

       
10
       
 
       
  pulseaudioEnabled = config.hardware.pulseaudio.enable;

     

       
11
       
 
       


     
···

       
88
       
 
       


     

       
89
       
 
       
  config = mkIf config.sound.enable {

     

       
90
       
 
       


     

       
91
       
+
       
    environment.systemPackages = [ alsa-utils ];

     

       
92
       
 
       


     

       
93
       
 
       
    environment.etc = mkIf (!pulseaudioEnabled && config.sound.extraConfig != "")

     

       
94
       
 
       
      { "asound.conf".text = config.sound.extraConfig; };

     

       
95
       
 
       


     

       
96
       
 
       
    # ALSA provides a udev rule for restoring volume settings.

     

       
97
       
+
       
    services.udev.packages = [ alsa-utils ];

     

       
98
       
 
       


     

       
99
       
 
       
    boot.kernelModules = optional config.sound.enableOSSEmulation "snd_pcm_oss";

     

       
100
       
 
       


     
···

       
107
       
 
       
          Type = "oneshot";

     

       
108
       
 
       
          RemainAfterExit = true;

     

       
109
       
 
       
          ExecStart = "${pkgs.coreutils}/bin/mkdir -p /var/lib/alsa";

     

       
110
       
+
       
          ExecStop = "${alsa-utils}/sbin/alsactl store --ignore";

     

       
111
       
 
       
        };

     

       
112
       
 
       
      };

     

       
113
       
 
       


     
···

       
115
       
 
       
      enable = true;

     

       
116
       
 
       
      bindings = [

     

       
117
       
 
       
        # "Mute" media key

     

       
118
       
+
       
        { keys = [ 113 ]; events = [ "key" ];       command = "${alsa-utils}/bin/amixer -q set Master toggle"; }

     

       
119
       
 
       


     

       
120
       
 
       
        # "Lower Volume" media key

     

       
121
       
+
       
        { keys = [ 114 ]; events = [ "key" "rep" ]; command = "${alsa-utils}/bin/amixer -q set Master ${config.sound.mediaKeys.volumeStep}- unmute"; }

     

       
122
       
 
       


     

       
123
       
 
       
        # "Raise Volume" media key

     

       
124
       
+
       
        { keys = [ 115 ]; events = [ "key" "rep" ]; command = "${alsa-utils}/bin/amixer -q set Master ${config.sound.mediaKeys.volumeStep}+ unmute"; }

     

       
125
       
 
       


     

       
126
       
 
       
        # "Mic Mute" media key

     

       
127
       
+
       
        { keys = [ 190 ]; events = [ "key" ];       command = "${alsa-utils}/bin/amixer -q set Capture toggle"; }

     

       
128
       
 
       
      ];

     

       
129
       
 
       
    };

     

       
130
       
 
       


     

···

       
8
       
 
       
  pcmPlugin = cfg.jackd.enable && cfg.alsa.enable;

     

       
9
       
 
       
  loopback = cfg.jackd.enable && cfg.loopback.enable;

     

       
10
       
 
       


     

       
11
       
-
       
  enable32BitAlsaPlugins = cfg.alsa.support32Bit && pkgs.stdenv.isx86_64 && pkgs.pkgsi686Linux.alsaLib != null;

     

       
12
       
 
       


     

       
13
       
 
       
  umaskNeeded = versionOlder cfg.jackd.package.version "1.9.12";

     

       
14
       
 
       
  bridgeNeeded = versionAtLeast cfg.jackd.package.version "1.9.12";

     
···

       
129
       
 
       
    (mkIf pcmPlugin {

     

       
130
       
 
       
      sound.extraConfig = ''

     

       
131
       
 
       
        pcm_type.jack {

     

       
132
       
-
       
          libs.native = ${pkgs.alsaPlugins}/lib/alsa-lib/libasound_module_pcm_jack.so ;

     

       
133
       
 
       
          ${lib.optionalString enable32BitAlsaPlugins

     

       
134
       
-
       
          "libs.32Bit = ${pkgs.pkgsi686Linux.alsaPlugins}/lib/alsa-lib/libasound_module_pcm_jack.so ;"}

     

       
135
       
 
       
        }

     

       
136
       
 
       
        pcm.!default {

     

       
137
       
 
       
          @func getenv

     
···

       
234
       
 
       


     

       
235
       
 
       
      environment = {

     

       
236
       
 
       
        systemPackages = [ cfg.jackd.package ];

     

       
237
       
-
       
        etc."alsa/conf.d/50-jack.conf".source = "${pkgs.alsaPlugins}/etc/alsa/conf.d/50-jack.conf";

     

       
238
       
 
       
        variables.JACK_PROMISCUOUS_SERVER = "jackaudio";

     

       
239
       
 
       
      };

     

       
240
       
 
       


     

···

       
8
       
 
       
  pcmPlugin = cfg.jackd.enable && cfg.alsa.enable;

     

       
9
       
 
       
  loopback = cfg.jackd.enable && cfg.loopback.enable;

     

       
10
       
 
       


     

       
11
       
+
       
  enable32BitAlsaPlugins = cfg.alsa.support32Bit && pkgs.stdenv.isx86_64 && pkgs.pkgsi686Linux.alsa-lib != null;

     

       
12
       
 
       


     

       
13
       
 
       
  umaskNeeded = versionOlder cfg.jackd.package.version "1.9.12";

     

       
14
       
 
       
  bridgeNeeded = versionAtLeast cfg.jackd.package.version "1.9.12";

     
···

       
129
       
 
       
    (mkIf pcmPlugin {

     

       
130
       
 
       
      sound.extraConfig = ''

     

       
131
       
 
       
        pcm_type.jack {

     

       
132
       
+
       
          libs.native = ${pkgs.alsa-plugins}/lib/alsa-lib/libasound_module_pcm_jack.so ;

     

       
133
       
 
       
          ${lib.optionalString enable32BitAlsaPlugins

     

       
134
       
+
       
          "libs.32Bit = ${pkgs.pkgsi686Linux.alsa-plugins}/lib/alsa-lib/libasound_module_pcm_jack.so ;"}

     

       
135
       
 
       
        }

     

       
136
       
 
       
        pcm.!default {

     

       
137
       
 
       
          @func getenv

     
···

       
234
       
 
       


     

       
235
       
 
       
      environment = {

     

       
236
       
 
       
        systemPackages = [ cfg.jackd.package ];

     

       
237
       
+
       
        etc."alsa/conf.d/50-jack.conf".source = "${pkgs.alsa-plugins}/etc/alsa/conf.d/50-jack.conf";

     

       
238
       
 
       
        variables.JACK_PROMISCUOUS_SERVER = "jackaudio";

     

       
239
       
 
       
      };

     

       
240
       
 
       


     

···

       
75
       
 
       
        type = types.listOf (types.submodule bindingCfg);

     

       
76
       
 
       
        default = [];

     

       
77
       
 
       
        example = lib.literalExample ''

     

       
78
       
-
       
          [ { keys = [ 113 ]; events = [ "key" ]; command = "''${pkgs.alsaUtils}/bin/amixer -q set Master toggle"; }

     

       
79
       
 
       
          ]

     

       
80
       
 
       
        '';

     

       
81
       
 
       
        description = ''

     

···

       
75
       
 
       
        type = types.listOf (types.submodule bindingCfg);

     

       
76
       
 
       
        default = [];

     

       
77
       
 
       
        example = lib.literalExample ''

     

       
78
       
+
       
          [ { keys = [ 113 ]; events = [ "key" ]; command = "''${pkgs.alsa-utils}/bin/amixer -q set Master toggle"; }

     

       
79
       
 
       
          ]

     

       
80
       
 
       
        '';

     

       
81
       
 
       
        description = ''

     

···

       
46
       
 
       


     

       
47
       
 
       
      systemd.services.audio-recorder = {

     

       
48
       
 
       
        description = "Record NixOS test audio to /tmp/record.wav";

     

       
49
       
-
       
        script = "${pkgs.alsaUtils}/bin/arecord -D recorder -f S16_LE -r48000 /tmp/record.wav";

     

       
50
       
 
       
      };

     

       
51
       
 
       


     

       
52
       
 
       
    };

     

···

       
46
       
 
       


     

       
47
       
 
       
      systemd.services.audio-recorder = {

     

       
48
       
 
       
        description = "Record NixOS test audio to /tmp/record.wav";

     

       
49
       
+
       
        script = "${pkgs.alsa-utils}/bin/arecord -D recorder -f S16_LE -r48000 /tmp/record.wav";

     

       
50
       
 
       
      };

     

       
51
       
 
       


     

       
52
       
 
       
    };