Expose live application audio groups

config/dot/quickshell/services/AudioDevices.qml

@@ -8,6 +8,8 @@ import Quickshell
 import Quickshell.Services.Pipewire
 import QtQuick
 
+import "AudioStreams.js" as AudioStreams
+
 Singleton {
     id: root
 
@@ -18,6 +20,13 @@ Singleton {
         !node.isStream
         && (node.type & PwNodeType.AudioSource) === PwNodeType.AudioSource)
 
+    readonly property var playbackStreams: Pipewire.nodes.values.filter(node =>
+        node.ready && node.audio
+        && (node.type & PwNodeType.AudioOutStream) === PwNodeType.AudioOutStream)
+
+    readonly property var applications: AudioStreams.group(
+        root.playbackStreams, PwNodeType.AudioOutStream)
+
     function nodes(output: bool): var {
         return output ? root.outputs : root.inputs;
     }
@@ -40,4 +49,20 @@ Singleton {
             return "Unknown device";
         return node.description || node.nickname || node.name || "Unknown device";
     }
+
+    function applicationVolume(application: var): real {
+        return AudioStreams.volume(application);
+    }
+
+    function applicationMuted(application: var): bool {
+        return AudioStreams.muted(application);
+    }
+
+    function setApplicationVolume(application: var, value: real): bool {
+        return AudioStreams.setVolume(application, value);
+    }
+
+    function setApplicationMuted(application: var, muted: bool): bool {
+        return AudioStreams.setMuted(application, muted);
+    }
 }