Hiroshi/apm config

ios/RCTWebRTC/WebRTCModule+RTCAudioDeviceModule.m

@@ -227,6 +227,24 @@ @implementation WebRTCModule (RTCAudioDeviceModule)
     }
 }
 
+#pragma mark - Audio Processing Config
+
+RCT_EXPORT_BLOCKING_SYNCHRONOUS_METHOD(audioDeviceModuleGetAudioProcessingConfig) {
+    id module = self.audioProcessingModule;
+    if (![module isKindOfClass:[RTCDefaultAudioProcessingModule class]]) {
+        return nil;
+    }
+    RTCAudioProcessingConfig *config = ((RTCDefaultAudioProcessingModule *)module).config;
+    return @{
+        @"echoCancellationEnabled" : @(config.isEchoCancellationEnabled),
+        @"echoCancellationMobileMode" : @(config.isEchoCancellationMobileMode),
+        @"noiseSuppressionEnabled" : @(config.isNoiseSuppressionEnabled),
+        @"highpassFilterEnabled" : @(config.isHighpassFilterEnabled),
+        @"autoGainControl1Enabled" : @(config.isAutoGainControl1Enabled),
+        @"autoGainControl2Enabled" : @(config.isAutoGainControl2Enabled)
+    };
+}
+
 #pragma mark - Observer Delegate Response Methods
 
 RCT_EXPORT_BLOCKING_SYNCHRONOUS_METHOD(audioDeviceModuleResolveEngineCreated : (NSInteger)result) {

ios/RCTWebRTC/WebRTCModule.h

@@ -50,6 +50,7 @@ static NSString *const kEventAudioDeviceModuleDevicesUpdated = @"audioDeviceModu
 @property(nonatomic, strong) NSMutableDictionary<NSString *, RTCDataPacketCryptor *> *dataPacketCryptors;
 
 @property(nonatomic, readonly) RTCAudioDeviceModule *audioDeviceModule;
+@property(nonatomic, weak) id<RTCAudioProcessingModule> audioProcessingModule;
 @property(nonatomic, strong) AudioDeviceModuleObserver *audioDeviceModuleObserver;
 
 - (RTCMediaStream *)streamForReactTag:(NSString *)reactTag;

ios/RCTWebRTC/WebRTCModule.m

@@ -95,6 +95,7 @@ - (instancetype)init {
         _dataPacketCryptors = [NSMutableDictionary new];
 
         _audioDeviceModule = _peerConnectionFactory.audioDeviceModule;
+        _audioProcessingModule = audioProcessingModule;
         _audioDeviceModuleObserver = [[AudioDeviceModuleObserver alloc] initWithWebRTCModule:self];
         _audioDeviceModule.observer = _audioDeviceModuleObserver;
 

src/AudioDeviceModule.ts

@@ -25,6 +25,15 @@ export const AudioEngineAvailability = {
     },
 } as const;
 
+export interface AudioProcessingConfig {
+  echoCancellationEnabled: boolean;
+  echoCancellationMobileMode: boolean;
+  noiseSuppressionEnabled: boolean;
+  highpassFilterEnabled: boolean;
+  autoGainControl1Enabled: boolean;
+  autoGainControl2Enabled: boolean;
+}
+
 /**
  * Audio Device Module API for controlling audio devices and settings.
  * iOS/macOS only - will throw on Android.
@@ -326,4 +335,19 @@ export class AudioDeviceModule {
 
         return WebRTCModule.audioDeviceModuleSetEngineAvailability(availability);
     }
+
+    /**
+     * Get the current audio processing module config (read-only).
+     * Returns the live APM state showing which software audio processing
+     * features are currently enabled.
+     *
+     * Currently only available on iOS/macOS. Returns null on Android.
+     */
+    static getAudioProcessingConfig(): AudioProcessingConfig | null {
+        if (Platform.OS === 'android') {
+            return null;
+        }
+
+        return WebRTCModule.audioDeviceModuleGetAudioProcessingConfig();
+    }
 }

src/index.ts

@@ -8,7 +8,10 @@ if (WebRTCModule === null) {
     }`);
 }
 
-import { AudioDeviceModule, AudioEngineMuteMode, AudioEngineAvailability } from './AudioDeviceModule';
+import {
+    AudioDeviceModule, AudioEngineMuteMode, AudioEngineAvailability,
+} from './AudioDeviceModule';
+import type { AudioProcessingConfig } from './AudioDeviceModule';
 import { audioDeviceModuleEvents } from './AudioDeviceModuleEvents';
 import { setupNativeEvents } from './EventEmitter';
 import Logger from './Logger';
@@ -87,6 +90,7 @@ export {
     AudioDeviceModule,
     AudioEngineMuteMode,
     AudioEngineAvailability,
+    type AudioProcessingConfig,
     audioDeviceModuleEvents,
 };