fix audio route for Android & iOS

example/androidApp/src/main/java/com/piasy/kmp/webrtc/android/CallActivity.java

@@ -2,7 +2,6 @@
 
 import android.content.Context;
 import android.content.Intent;
-import android.content.res.AssetManager;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.HandlerThread;
@@ -27,12 +26,12 @@
 import java.util.List;
 
 import com.piasy.kmp.webrtc.AndroidPrivateConfig;
-import com.piasy.kmp.webrtc.IceCandidate;
+import com.piasy.kmp.webrtc.data.IceCandidate;
 import com.piasy.kmp.webrtc.PeerConnectionClient;
 import com.piasy.kmp.webrtc.PeerConnectionClientCallback;
 import com.piasy.kmp.webrtc.PeerConnectionClientFactory;
-import com.piasy.kmp.webrtc.RtcStatsReport;
-import com.piasy.kmp.webrtc.SessionDescription;
+import com.piasy.kmp.webrtc.data.RtcStatsReport;
+import com.piasy.kmp.webrtc.data.SessionDescription;
 import com.piasy.kmp.xlog.Logging;
 
 import kotlin.Unit;

kmp-webrtc/src/androidMain/kotlin/com/piasy/kmp/webrtc/AndroidAudioDeviceManager.kt

@@ -0,0 +1,56 @@
+package com.piasy.kmp.webrtc
+
+import android.content.Context
+import android.media.AudioManager
+import com.piasy.avconf.audio.AppRTCAudioManager
+import com.piasy.avconf.audio.AppRTCAudioManager.AudioDevice.BLUETOOTH
+import com.piasy.avconf.audio.AppRTCAudioManager.AudioDevice.EARPIECE
+import com.piasy.avconf.audio.AppRTCAudioManager.AudioDevice.SPEAKER_PHONE
+import com.piasy.avconf.audio.AppRTCAudioManager.AudioDevice.WIRED_HEADSET
+
+/**
+ * Created by Piasy{github.com/Piasy} on 2019-11-27.
+ */
+class AndroidAudioDeviceManager(private val context: Context, speakerPhoneMode: SpeakerphoneMode) :
+    AudioDeviceManager {
+    private val audioManager = AppRTCAudioManager.create(context, speakerphoneMode(speakerPhoneMode))
+    private var speakerOn = false
+
+    private fun speakerphoneMode(mode: SpeakerphoneMode) = when (mode) {
+        SpeakerphoneMode.AUTO -> AppRTCAudioManager.SPEAKERPHONE_AUTO
+        SpeakerphoneMode.OPEN -> AppRTCAudioManager.SPEAKERPHONE_TRUE
+        SpeakerphoneMode.CLOSE -> AppRTCAudioManager.SPEAKERPHONE_FALSE
+    }
+
+    override fun setSpeakerphoneOn(speakerOn: Boolean) {
+        this.speakerOn = speakerOn
+        val audioManager = context.getSystemService(Context.AUDIO_SERVICE) as AudioManager
+        if (!audioManager.isWiredHeadsetOn) {
+            audioManager.isSpeakerphoneOn = speakerOn
+        }
+    }
+
+    override fun start(callback: AudioDeviceManagerCallback) {
+        audioManager.start { selectedAudioDevice, _ ->
+            when (selectedAudioDevice) {
+                SPEAKER_PHONE -> {
+                    setSpeakerphoneOn(speakerOn)
+                    callback.onAudioDeviceChanged(AudioDevice.SPEAKER_PHONE)
+                }
+
+                WIRED_HEADSET -> callback.onAudioDeviceChanged(AudioDevice.WIRED_HEADSET)
+                EARPIECE -> callback.onAudioDeviceChanged(AudioDevice.EARPIECE)
+                BLUETOOTH -> callback.onAudioDeviceChanged(AudioDevice.BLUETOOTH)
+                else -> callback.onAudioDeviceChanged(AudioDevice.NONE)
+            }
+        }
+        audioManager.changeAudioRoute(true)
+        if (audioManager.selectedAudioDevice == SPEAKER_PHONE) {
+            setSpeakerphoneOn(true)
+        }
+    }
+
+    override fun stop() {
+        audioManager.stop()
+    }
+}

kmp-webrtc/src/androidMain/kotlin/com/piasy/kmp/webrtc/AndroidPeerConnectionClient.kt

@@ -1,5 +1,10 @@
 package com.piasy.kmp.webrtc
 
+import com.piasy.kmp.webrtc.data.IceCandidate
+import com.piasy.kmp.webrtc.data.IceServer
+import com.piasy.kmp.webrtc.data.RtcStats
+import com.piasy.kmp.webrtc.data.RtcStatsReport
+import com.piasy.kmp.webrtc.data.SessionDescription
 import org.webrtc.PeerConnection
 import org.webrtc.PeerConnection.TlsCertPolicy
 import org.webrtc.PeerConnection.TlsCertPolicy.TLS_CERT_POLICY_INSECURE_NO_CHECK

kmp-webrtc/src/androidMain/kotlin/com/piasy/kmp/webrtc/AndroidPeerConnectionClientFactory.kt

@@ -27,10 +27,12 @@ data class AndroidPrivateConfig(
 ) : PeerConnectionClientFactory.PrivateConfig()
 
 class AndroidPeerConnectionClientFactory(
-    private val config: Config,
+    config: Config,
+    errorHandler: (Int, String) -> Unit,
+    appContext: Context,
     private val privateConfig: AndroidPrivateConfig,
-    private val errorHandler: (Int, String) -> Unit,
-) : PeerConnectionClientFactory(), DefaultLifecycleObserver {
+) : PeerConnectionClientFactory(config, errorHandler, AndroidAudioDeviceManager(appContext, SpeakerphoneMode.AUTO)),
+    DefaultLifecycleObserver {
     init {
         privateConfig.lifecycle.addObserver(this)
     }
@@ -124,6 +126,7 @@ class AndroidPeerConnectionClientFactory(
     }
 
     override fun destroyPeerConnectionFactory() {
+        super.destroyPeerConnectionFactory()
         com.piasy.avconf.PeerConnectionClient.destroyPeerConnectionFactory()
     }
 
@@ -255,14 +258,15 @@ actual fun createPeerConnectionClientFactory(
     config: PeerConnectionClientFactory.Config,
     errorHandler: (Int, String) -> Unit,
 ): PeerConnectionClientFactory {
+    val appContext = AndroidPeerConnectionClientFactory.sAppContext!!
     val privateConfig = config.privateConfig as AndroidPrivateConfig
     com.piasy.avconf.PeerConnectionClient.createPeerConnectionFactory(
-        AndroidPeerConnectionClientFactory.sAppContext!!,
+        appContext,
         privateConfig.rootEglBase,
         privateConfig.options,
         privateConfig.recordSamplesReadyCallback,
         privateConfig.trackSamplesReadyCallback,
         privateConfig.enableH264HighProfile,
     )
-    return AndroidPeerConnectionClientFactory(config, privateConfig, errorHandler)
+    return AndroidPeerConnectionClientFactory(config, errorHandler, appContext, privateConfig)
 }

kmp-webrtc/src/appleMain/kotlin/com/piasy/kmp/webrtc/IOSAudioDeviceManager.kt

@@ -0,0 +1,43 @@
+package com.piasy.kmp.webrtc
+
+import WebRTC.*
+import com.piasy.kmp.webrtc.AudioDevice.BLUETOOTH
+import com.piasy.kmp.webrtc.AudioDevice.EARPIECE
+import com.piasy.kmp.webrtc.AudioDevice.NONE
+import com.piasy.kmp.webrtc.AudioDevice.SPEAKER_PHONE
+import com.piasy.kmp.webrtc.AudioDevice.WIRED_HEADSET
+import platform.darwin.NSObject
+
+/**
+ * Created by Piasy{github.com/Piasy} on 2019-11-30.
+ */
+private class ObjCAudioDeviceManagerCallback(private val realCallback: AudioDeviceManagerCallback) :
+    CFAudioDeviceManagerDelegateProtocol, NSObject() {
+    override fun onAudioDeviceChanged(audioDevice: CFAudioDevice) {
+        realCallback.onAudioDeviceChanged(
+            when (audioDevice) {
+                CFAudioDevice.CF_SPEAKER_PHONE -> SPEAKER_PHONE
+                CFAudioDevice.CF_WIRED_HEADSET -> WIRED_HEADSET
+                CFAudioDevice.CF_EARPIECE -> EARPIECE
+                CFAudioDevice.CF_BLUETOOTH -> BLUETOOTH
+                else -> NONE
+            }
+        )
+    }
+}
+
+class IOSAudioDeviceManager : AudioDeviceManager {
+    private val realManager = CFAudioDeviceManager()
+
+    override fun setSpeakerphoneOn(speakerOn: Boolean) {
+        realManager.setSpeakerphoneOn(speakerOn)
+    }
+
+    override fun start(callback: AudioDeviceManagerCallback) {
+        realManager.start(ObjCAudioDeviceManagerCallback(callback))
+    }
+
+    override fun stop() {
+        realManager.stop()
+    }
+}

kmp-webrtc/src/appleMain/kotlin/com/piasy/kmp/webrtc/ObjCPeerConnectionClient.kt

@@ -4,6 +4,11 @@ import WebRTC.*
 import WebRTC.RTCSdpType.RTCSdpTypeAnswer
 import WebRTC.RTCSdpType.RTCSdpTypeOffer
 import WebRTC.RTCSdpType.RTCSdpTypePrAnswer
+import com.piasy.kmp.webrtc.data.IceCandidate
+import com.piasy.kmp.webrtc.data.IceServer
+import com.piasy.kmp.webrtc.data.RtcStats
+import com.piasy.kmp.webrtc.data.RtcStatsReport
+import com.piasy.kmp.webrtc.data.SessionDescription
 import platform.darwin.NSObject
 import kotlin.native.ref.WeakReference
 

kmp-webrtc/src/appleMain/kotlin/com/piasy/kmp/webrtc/ObjCPeerConnectionClientFactory.kt

@@ -1,6 +1,7 @@
 package com.piasy.kmp.webrtc
 
 import WebRTC.*
+import com.piasy.kmp.webrtc.utils.FieldTrial
 import com.piasy.kmp.xlog.Logging
 import com.piasy.kmp.xlog.initializeMarsXLog
 
@@ -12,9 +13,9 @@ data class ObjCPrivateConfig(
 ) : PeerConnectionClientFactory.PrivateConfig()
 
 class ObjCPeerConnectionClientFactory(
-    private val config: Config,
-    private val errorHandler: (Int, String) -> Unit,
-) : PeerConnectionClientFactory() {
+    config: Config,
+    errorHandler: (Int, String) -> Unit,
+) : PeerConnectionClientFactory(config, errorHandler, IOSAudioDeviceManager()) {
     private var cameraCapturer: RTCCameraVideoCapturer? = null
     private var cameraCaptureController: CFCaptureController? = null
     private var screenCapturer: CFRPCapturer? = null
@@ -99,6 +100,7 @@ class ObjCPeerConnectionClientFactory(
     }
 
     override fun destroyPeerConnectionFactory() {
+        super.destroyPeerConnectionFactory()
         CFPeerConnectionClient.destroyPeerConnectionFactory()
     }
 }

kmp-webrtc/src/commonMain/kotlin/com/piasy/kmp/webrtc/AudioDeviceManager.kt

@@ -0,0 +1,30 @@
+package com.piasy.kmp.webrtc
+
+/**
+ * Created by Piasy{github.com/Piasy} on 2019-11-27.
+ */
+interface AudioDeviceManager {
+  fun setSpeakerphoneOn(speakerOn: Boolean)
+
+  fun start(callback: AudioDeviceManagerCallback)
+
+  fun stop()
+}
+
+enum class AudioDevice {
+  SPEAKER_PHONE,
+  WIRED_HEADSET,
+  EARPIECE,
+  BLUETOOTH,
+  NONE,
+}
+
+enum class SpeakerphoneMode {
+  AUTO,
+  OPEN,
+  CLOSE,
+}
+
+interface AudioDeviceManagerCallback {
+  fun onAudioDeviceChanged(device: AudioDevice)
+}

kmp-webrtc/src/commonMain/kotlin/com/piasy/kmp/webrtc/PeerConnectionClient.kt

@@ -1,5 +1,10 @@
 package com.piasy.kmp.webrtc
 
+import com.piasy.kmp.webrtc.data.IceCandidate
+import com.piasy.kmp.webrtc.data.IceServer
+import com.piasy.kmp.webrtc.data.RtcStatsReport
+import com.piasy.kmp.webrtc.data.SessionDescription
+
 /**
  * Created by Piasy{github.com/Piasy} on 2019-11-26.
  */

kmp-webrtc/src/commonMain/kotlin/com/piasy/kmp/webrtc/PeerConnectionClientFactory.kt

@@ -5,7 +5,11 @@ import com.piasy.kmp.xlog.Logging
 /**
  * Created by Piasy{github.com/Piasy} on 2025-02-16.
  */
-abstract class PeerConnectionClientFactory {
+abstract class PeerConnectionClientFactory(
+    protected val config: Config,
+    protected val errorHandler: (Int, String) -> Unit,
+    private val audioDeviceManager: AudioDeviceManager,
+) {
     data class Config(
         val videoCaptureImpl: Int,
         val videoCaptureWidth: Int,
@@ -29,6 +33,14 @@ abstract class PeerConnectionClientFactory {
 
     open class PrivateConfig
 
+    init {
+        audioDeviceManager.start(object : AudioDeviceManagerCallback {
+            override fun onAudioDeviceChanged(device: AudioDevice) {
+                // do nothing now
+            }
+        })
+    }
+
     abstract fun createPeerConnectionClient(
         peerUid: String,
         dir: Int,
@@ -46,13 +58,19 @@ abstract class PeerConnectionClientFactory {
     abstract fun stopVideoCapture()
     abstract fun switchCamera(onFinished: (Boolean) -> Unit)
 
+    fun toggleSpeaker(speakerOn: Boolean) {
+        audioDeviceManager.setSpeakerphoneOn(speakerOn)
+    }
+
     abstract fun adaptVideoOutputFormat(
         width: Int,
         height: Int,
         fps: Int
     )
 
-    abstract fun destroyPeerConnectionFactory()
+    open fun destroyPeerConnectionFactory() {
+        audioDeviceManager.stop()
+    }
 
     protected fun logI(content: String) {
         Logging.info("$TAG@${hashCode()}", content)

kmp-webrtc/src/commonMain/kotlin/com/piasy/kmp/webrtc/IceCandidate.kt → kmp-webrtc/src/commonMain/kotlin/com/piasy/kmp/webrtc/data/IceCandidate.kt

@@ -1,4 +1,4 @@
-package com.piasy.kmp.webrtc
+package com.piasy.kmp.webrtc.data
 
 /**
  * Created by Piasy{github.com/Piasy} on 2019-11-17.

kmp-webrtc/src/commonMain/kotlin/com/piasy/kmp/webrtc/IceServer.kt → kmp-webrtc/src/commonMain/kotlin/com/piasy/kmp/webrtc/data/IceServer.kt

@@ -1,4 +1,4 @@
-package com.piasy.kmp.webrtc
+package com.piasy.kmp.webrtc.data
 
 /**
  * Created by Piasy{github.com/Piasy} on 2019-11-17.

kmp-webrtc/src/commonMain/kotlin/com/piasy/kmp/webrtc/RtcStatsReport.kt → kmp-webrtc/src/commonMain/kotlin/com/piasy/kmp/webrtc/data/RtcStatsReport.kt

@@ -1,4 +1,4 @@
-package com.piasy.kmp.webrtc
+package com.piasy.kmp.webrtc.data
 
 import kotlinx.serialization.Serializable
 

kmp-webrtc/src/commonMain/kotlin/com/piasy/kmp/webrtc/SessionDescription.kt → kmp-webrtc/src/commonMain/kotlin/com/piasy/kmp/webrtc/data/SessionDescription.kt

@@ -1,4 +1,4 @@
-package com.piasy.kmp.webrtc
+package com.piasy.kmp.webrtc.data
 
 /**
  * Created by Piasy{github.com/Piasy} on 2019-11-17.

kmp-webrtc/src/commonMain/kotlin/com/piasy/kmp/webrtc/FieldTrial.kt → kmp-webrtc/src/commonMain/kotlin/com/piasy/kmp/webrtc/utils/FieldTrial.kt

@@ -1,4 +1,4 @@
-package com.piasy.kmp.webrtc
+package com.piasy.kmp.webrtc.utils
 
 internal object FieldTrial {
     fun fieldTrialsStringToMap(fieldTrials: String): Map<Any?, *> {

kmp-webrtc/src/commonTest/kotlin/com/piasy/kmp/webrtc/FieldTrialTest.kt → kmp-webrtc/src/commonTest/kotlin/com/piasy/kmp/webrtc/utils/FieldTrialTest.kt

@@ -1,4 +1,4 @@
-package com.piasy.kmp.webrtc
+package com.piasy.kmp.webrtc.utils
 
 import kotlin.test.Test
 import kotlin.test.assertEquals