snapshot of https://github.com/jitsi/jitsi-meet.git @ fd1749dd28f4138aa80234fc7f311b19aaffa0e7 (2026-09-15)

react/features/noise-suppression/functions.ts

@@ -0,0 +1,49 @@
+import { IReduxState, IStore } from '../app/types';
+import { showWarningNotification } from '../notifications/actions';
+import { NOTIFICATION_TIMEOUT_TYPE } from '../notifications/constants';
+import { isScreenAudioShared } from '../screen-share/functions';
+
+/**
+ * Is noise suppression currently enabled.
+ *
+ * @param {IReduxState} state - The state of the application.
+ * @returns {boolean}
+ */
+export function isNoiseSuppressionEnabled(state: IReduxState): boolean {
+    return state['features/noise-suppression'].enabled;
+}
+
+/**
+ * Verify if noise suppression can be enabled in the current state.
+ *
+ * @param {*} state - Redux state.
+ * @param {*} dispatch - Redux dispatch.
+ * @param {*} localAudio - Current local audio track.
+ * @returns {boolean}
+ */
+export function canEnableNoiseSuppression(state: IReduxState, dispatch: IStore['dispatch'], localAudio: any): boolean {
+    const { channelCount } = localAudio.track.getSettings();
+
+    // Sharing screen audio implies an effect being applied to the local track, because currently we don't support
+    // more then one effect at a time the user has to choose between sharing audio or having noise suppression active.
+    if (isScreenAudioShared(state)) {
+        dispatch(showWarningNotification({
+            titleKey: 'notify.noiseSuppressionFailedTitle',
+            descriptionKey: 'notify.noiseSuppressionDesktopAudioDescription'
+        }, NOTIFICATION_TIMEOUT_TYPE.MEDIUM));
+
+        return false;
+    }
+
+    // Stereo audio tracks aren't currently supported, make sure the current local track is mono
+    if (channelCount > 1) {
+        dispatch(showWarningNotification({
+            titleKey: 'notify.noiseSuppressionFailedTitle',
+            descriptionKey: 'notify.noiseSuppressionStereoDescription'
+        }, NOTIFICATION_TIMEOUT_TYPE.MEDIUM));
+
+        return false;
+    }
+
+    return true;
+}