feat: Noise cancellation feature (#873)

* Noise cancellation feature for Android

* iOS Noise cancellation implementation addded

* iOS fixes

* tweak

* bumped webrtc version

* handling noise cancellation on not supported platforms

* fix

* updated webrtc dependencies

* tweak

* tweaks

* linter fixes

Author: Brazol

dogfooding/android/app/build.gradle

@@ -44,22 +44,22 @@ android {
     ndkVersion = "27.0.12077973"
 
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+        sourceCompatibility JavaVersion.VERSION_17
+        targetCompatibility JavaVersion.VERSION_17
     }
 
     afterEvaluate { project ->
          if (project.hasProperty("kotlin")) {
              project.tasks.withType(org.jetbrains.kotlin.gradle.tasks.KotlinCompile).all {
                  kotlinOptions {
-                     jvmTarget = "1.8"
+                     jvmTarget = "17"
                  }
              }
          }
     }
 
     kotlinOptions {
-        jvmTarget = '1.8'
+        jvmTarget = '17'
     }
 
     sourceSets {

dogfooding/lib/app/app.dart

@@ -5,7 +5,6 @@ import 'package:flutter/material.dart';
 // 📦 Package imports:
 import 'package:firebase_core/firebase_core.dart';
 import 'package:firebase_crashlytics/firebase_crashlytics.dart';
-import 'package:flutter/services.dart' show appFlavor;
 import 'package:flutter_dogfooding/core/repos/token_service.dart';
 
 // 🌎 Project imports:

dogfooding/lib/di/injector.dart

@@ -9,6 +9,7 @@ import 'package:share_plus/share_plus.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'package:stream_chat_flutter/stream_chat_flutter.dart' hide User;
 import 'package:stream_video_flutter/stream_video_flutter.dart';
+import 'package:stream_video_noise_cancellation/noise_cancellation_audio_processor.dart';
 import 'package:stream_video_push_notification/stream_video_push_notification.dart';
 
 import '../app/user_auth_controller.dart';
@@ -44,7 +45,7 @@ class AppInjector {
 
     // Repositories
     locator.registerSingleton(
-      TokenService(
+      const TokenService(
         customEnvironmentLoader: customEnvironmentLoader,
       ),
     );
@@ -159,11 +160,12 @@ StreamVideo _initStreamVideo(
     apiKey,
     user: user,
     tokenLoader: tokenLoader,
-    options: const StreamVideoOptions(
+    options: StreamVideoOptions(
       logPriority: Priority.verbose,
       muteAudioWhenInBackground: false,
       muteVideoWhenInBackground: false,
       keepConnectionsAliveWhenInBackground: true,
+      audioProcessor: NoiseCancellationAudioProcessor(),
     ),
     pushNotificationManagerProvider: StreamVideoPushNotificationManager.create(
       iosPushProvider: const StreamVideoPushProvider.apn(

dogfooding/lib/screens/call_screen.dart

@@ -12,7 +12,7 @@ import 'package:flutter_dogfooding/theme/app_palette.dart';
 import 'package:flutter_dogfooding/utils/feedback_dialog.dart';
 import 'package:flutter_dogfooding/widgets/badged_call_option.dart';
 import 'package:flutter_dogfooding/widgets/call_duration_title.dart';
-import 'package:flutter_dogfooding/widgets/settings_menu.dart';
+import 'package:flutter_dogfooding/widgets/settings_menu/settings_menu.dart';
 import 'package:flutter_dogfooding/widgets/share_call_card.dart';
 import 'package:stream_chat_flutter/stream_chat_flutter.dart';
 import 'package:stream_video_flutter/stream_video_flutter.dart' hide User;

dogfooding/lib/widgets/settings_menu/closed_captions_menu_item.dart

@@ -0,0 +1,59 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_dogfooding/theme/app_palette.dart';
+import 'package:flutter_dogfooding/widgets/settings_menu/settings_menu.dart';
+import 'package:flutter_dogfooding/widgets/settings_menu/standard_action_menu_item.dart';
+import 'package:stream_video_flutter/stream_video_flutter.dart';
+
+class ClosedCaptionsMenuItem extends StatelessWidget {
+  const ClosedCaptionsMenuItem({
+    super.key,
+    required this.widget,
+  });
+
+  final SettingsMenu widget;
+
+  @override
+  Widget build(BuildContext context) {
+    return StreamBuilder(
+        stream: widget.call.state.asStream(),
+        builder: (context, snapshot) {
+          if (snapshot.hasData) {
+            final callState = snapshot.data as CallState;
+
+            if (callState.settings.transcription.closedCaptionMode ==
+                ClosedCaptionSettingsMode.disabled) {
+              return const SizedBox.shrink();
+            }
+
+            return Column(
+              children: [
+                const SizedBox(height: 16),
+                StandardActionMenuItem(
+                  icon: callState.isCaptioning
+                      ? Icons.closed_caption_sharp
+                      : Icons.closed_caption_disabled_sharp,
+                  label: 'Toggle Closed Caption',
+                  trailing: Text(
+                    callState.isCaptioning ? 'On' : 'Off',
+                    style: TextStyle(
+                      color: callState.isCaptioning
+                          ? AppColorPalette.appGreen
+                          : null,
+                    ),
+                  ),
+                  onPressed: () {
+                    if (!callState.isCaptioning) {
+                      widget.call.startClosedCaptions();
+                    } else {
+                      widget.call.stopClosedCaptions();
+                    }
+                  },
+                ),
+              ],
+            );
+          }
+
+          return const SizedBox.shrink();
+        });
+  }
+}

dogfooding/lib/widgets/settings_menu/noise_cancellation_menu_item.dart

@@ -0,0 +1,64 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_dogfooding/theme/app_palette.dart';
+import 'package:flutter_dogfooding/widgets/settings_menu/standard_action_menu_item.dart';
+import 'package:stream_video_flutter/stream_video_flutter.dart';
+
+class NoiseCancellationMenuItem extends StatefulWidget {
+  const NoiseCancellationMenuItem({
+    super.key,
+    required this.call,
+  });
+
+  final Call call;
+
+  @override
+  State<NoiseCancellationMenuItem> createState() =>
+      _NoiseCancellationMenuItemState();
+}
+
+class _NoiseCancellationMenuItemState extends State<NoiseCancellationMenuItem> {
+  @override
+  Widget build(BuildContext context) {
+    return StreamBuilder(
+        stream: widget.call.state.asStream(),
+        builder: (context, snapshot) {
+          if (snapshot.hasData) {
+            final callState = snapshot.data as CallState;
+
+            if (callState.settings.audio.noiseCancellation?.mode ==
+                NoiceCancellationSettingsMode.disabled) {
+              return const SizedBox.shrink();
+            }
+
+            return Column(
+              children: [
+                const SizedBox(height: 16),
+                StandardActionMenuItem(
+                  icon: callState.isAudioProcessing
+                      ? Icons.hearing
+                      : Icons.hearing_disabled,
+                  label: 'Toggle Noise Cancellation',
+                  trailing: Text(
+                    callState.isAudioProcessing ? 'On' : 'Off',
+                    style: TextStyle(
+                      color: callState.isAudioProcessing
+                          ? AppColorPalette.appGreen
+                          : null,
+                    ),
+                  ),
+                  onPressed: () {
+                    if (!callState.isAudioProcessing) {
+                      widget.call.startAudioProcessing();
+                    } else {
+                      widget.call.stopAudioProcessing();
+                    }
+                  },
+                ),
+              ],
+            );
+          }
+
+          return const SizedBox.shrink();
+        });
+  }
+}