Advanced audio processing settings (#8759)

Co-authored-by: Šimon Brandner <simon.bra.ag@gmail.com>
Fixes https://github.com/vector-im/element-web/issues/6278
Fixes undefined

test/MediaDeviceHandler-test.ts

@@ -0,0 +1,65 @@
+/*
+Copyright 2022 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import { mocked } from 'jest-mock';
+
+import { SettingLevel } from "../src/settings/SettingLevel";
+import { MatrixClientPeg } from '../src/MatrixClientPeg';
+import { stubClient } from "./test-utils";
+import MediaDeviceHandler from "../src/MediaDeviceHandler";
+import SettingsStore from '../src/settings/SettingsStore';
+
+jest.mock("../src/settings/SettingsStore");
+
+const SettingsStoreMock = mocked(SettingsStore);
+
+describe("MediaDeviceHandler", () => {
+    beforeEach(() => {
+        stubClient();
+    });
+
+    afterEach(() => {
+        jest.clearAllMocks();
+    });
+
+    it("sets audio settings", async () => {
+        const expectedAudioSettings = new Map<string, boolean>([
+            ["webrtc_audio_autoGainControl", false],
+            ["webrtc_audio_echoCancellation", true],
+            ["webrtc_audio_noiseSuppression", false],
+        ]);
+
+        SettingsStoreMock.getValue.mockImplementation((settingName): any => {
+            return expectedAudioSettings.get(settingName);
+        });
+
+        await MediaDeviceHandler.setAudioAutoGainControl(false);
+        await MediaDeviceHandler.setAudioEchoCancellation(true);
+        await MediaDeviceHandler.setAudioNoiseSuppression(false);
+
+        expectedAudioSettings.forEach((value, key) => {
+            expect(SettingsStoreMock.setValue).toHaveBeenCalledWith(
+                key, null, SettingLevel.DEVICE, value,
+            );
+        });
+
+        expect(MatrixClientPeg.get().getMediaHandler().setAudioSettings).toHaveBeenCalledWith({
+            autoGainControl: false,
+            echoCancellation: true,
+            noiseSuppression: false,
+        });
+    });
+});