Allow injection of PeerConnectionFactory.Options (#382)

* Allow injection of PeerConnectionFactory.Options

* Spotless

@@ -24,6 +24,7 @@ import io.livekit.android.audio.AudioSwitchHandler
 import io.livekit.android.audio.NoAudioHandler
 import io.livekit.android.room.Room
 import livekit.org.webrtc.EglBase
+import livekit.org.webrtc.PeerConnectionFactory
 import livekit.org.webrtc.VideoDecoderFactory
 import livekit.org.webrtc.VideoEncoderFactory
 import livekit.org.webrtc.audio.AudioDeviceModule
@@ -63,6 +64,11 @@ data class LiveKitOverrides(
      * with it to prevent memory leaks.
      */
     val eglBase: EglBase? = null,
+
+    /**
+     * Override the options passed into the PeerConnectionFactory when building it.
+     */
+    val peerConnectionFactoryOptions: PeerConnectionFactory.Options? = null,
 )
 
 /**

@@ -54,4 +54,5 @@ internal object InjectionNames {
     internal const val OVERRIDE_AUDIO_OUTPUT_TYPE = "override_audio_output_type"
     internal const val OVERRIDE_DISABLE_COMMUNICATION_WORKAROUND = "override_disable_communication_workaround"
     internal const val OVERRIDE_EGL_BASE = "override_egl_base"
+    internal const val OVERRIDE_PEER_CONNECTION_FACTORY_OPTIONS = "override_peer_connection_factory_options"
 }

@@ -62,6 +62,10 @@ internal class OverridesModule(private val overrides: LiveKitOverrides) {
     fun audioOutputType() = overrides.audioOptions?.audioOutputType
 
     @Provides
+    @Named(InjectionNames.OVERRIDE_PEER_CONNECTION_FACTORY_OPTIONS)
+    fun peerConnectionFactoryOptions() = overrides.peerConnectionFactoryOptions
+
+    @Provides
     @Named(InjectionNames.OVERRIDE_DISABLE_COMMUNICATION_WORKAROUND)
     fun disableCommunicationWorkAround() = overrides.audioOptions?.disableCommunicationModeWorkaround ?: false
 

@@ -243,12 +243,19 @@ internal object RTCModule {
         audioDeviceModule: AudioDeviceModule,
         videoEncoderFactory: VideoEncoderFactory,
         videoDecoderFactory: VideoDecoderFactory,
+        @Named(InjectionNames.OVERRIDE_PEER_CONNECTION_FACTORY_OPTIONS)
+        peerConnectionFactoryOptions: PeerConnectionFactory.Options?,
         memoryManager: CloseableManager,
     ): PeerConnectionFactory {
         return PeerConnectionFactory.builder()
             .setAudioDeviceModule(audioDeviceModule)
             .setVideoEncoderFactory(videoEncoderFactory)
             .setVideoDecoderFactory(videoDecoderFactory)
+            .apply {
+                if (peerConnectionFactoryOptions != null) {
+                    setOptions(peerConnectionFactoryOptions)
+                }
+            }
             .createPeerConnectionFactory()
             .apply { memoryManager.registerClosable { dispose() } }
     }