Deletion works

src/pipewire/pipewirecontroller.cpp

@@ -104,6 +104,7 @@ bool PipeWireController::createVirtualDevice(const QString &name,
         { PW_KEY_MEDIA_CLASS, mediaClass },
         { PW_KEY_AUDIO_CHANNELS, channelsBytes.constData() },
         { PW_KEY_AUDIO_RATE, rateBytes.constData() },
+        { "object.linger", "true" },
         { PW_KEY_APP_NAME, "Potato-Manager" }
     };
 
@@ -572,30 +573,21 @@ bool PipeWireController::destroyVirtualNode(uint32_t nodeId)
         return false;
     }
 
-    bool destroyed = false;
     lock();
+    
     for (auto it = m_virtualDevices.begin(); it != m_virtualDevices.end(); ) {
         struct pw_proxy *proxy = *it;
         if (proxy && pw_proxy_get_bound_id(proxy) == nodeId) {
-            pw_proxy_destroy(proxy);
             it = m_virtualDevices.erase(it);
-            destroyed = true;
         } else {
             ++it;
         }
     }
-
-    if (!destroyed) {
-        auto *proxy = static_cast<struct pw_proxy*>(
-            pw_registry_bind(m_registry, nodeId, PW_TYPE_INTERFACE_Node, PW_VERSION_NODE, 0));
-        if (proxy) {
-            pw_proxy_destroy(proxy);
-            destroyed = true;
-        }
-    }
+    
+    const int result = pw_registry_destroy(m_registry, nodeId);
     unlock();
 
-    return destroyed;
+    return result == 0;
 }
 
 float PipeWireController::nodeMeterPeak(uint32_t nodeId) const