diff --git a/media/libmediaplayerservice/Android.bp b/media/libmediaplayerservice/Android.bp
index a10c509..1d493e2 100644
--- a/media/libmediaplayerservice/Android.bp
+++ b/media/libmediaplayerservice/Android.bp
@@ -46,13 +46,14 @@
         "av-types-aidl-cpp",
         "framework-permission-aidl-cpp",
         "libaconfig_storage_read_api_cc",
-        "libaudioclient_aidl_conversion",
-        "libbase",
-        "libbinder_ndk",
         "libactivitymanager_aidl",
         "libandroid_net",
         "libaudioclient",
+        "libaudioclient_aidl_conversion",
+        "libaudiofoundation",
+        "libbase",
         "libbinder",
+        "libbinder_ndk",
         "libcamera_client",
         "libcodec2_client",
         "libcrypto",
@@ -81,25 +82,25 @@
     ],
 
     header_libs: [
-        "media_plugin_headers",
         "libmediautils_headers",
         "libstagefright_rtsp_headers",
         "libstagefright_webm_headers",
+        "media_plugin_headers",
     ],
 
     static_libs: [
         "com.android.media.flags.editing-aconfig-cc",
+        "framework-permission-aidl-cpp",
         "libplayerservice_datasource",
         "libstagefright_nuplayer",
         "libstagefright_rtsp",
         "libstagefright_timedtext",
-        "framework-permission-aidl-cpp",
     ],
 
     cflags: [
+        "-Wall",
         "-Werror",
         "-Wno-error=deprecated-declarations",
-        "-Wall",
     ],
 
     sanitize: {
@@ -115,8 +116,8 @@
     ],
 
     export_shared_lib_headers: [
-        "libmedia",
         "framework-permission-aidl-cpp",
+        "libmedia",
     ],
 
     export_header_lib_headers: [
diff --git a/media/libmediaplayerservice/MediaPlayerService.cpp b/media/libmediaplayerservice/MediaPlayerService.cpp
index b267c08..0067344 100644
--- a/media/libmediaplayerservice/MediaPlayerService.cpp
+++ b/media/libmediaplayerservice/MediaPlayerService.cpp
@@ -856,10 +856,13 @@
 
 void MediaPlayerService::Client::AudioDeviceUpdatedNotifier::onAudioDeviceUpdate(
         audio_io_handle_t audioIo,
-        audio_port_handle_t deviceId) {
+        const DeviceIdVector& deviceIds) {
+    ALOGD("onAudioDeviceUpdate deviceIds: %s", toString(deviceIds).c_str());
     sp<MediaPlayerBase> listener = mListener.promote();
     if (listener != NULL) {
-        listener->sendEvent(MEDIA_AUDIO_ROUTING_CHANGED, audioIo, deviceId);
+        // Java should query the new device ids once it gets the event.
+        // TODO(b/378505346): Pass the deviceIds to Java to avoid race conditions.
+        listener->sendEvent(MEDIA_AUDIO_ROUTING_CHANGED, audioIo);
     } else {
         ALOGW("listener for process %d death is gone", MEDIA_AUDIO_ROUTING_CHANGED);
     }
@@ -1750,13 +1753,13 @@
     return NO_INIT;
 }
 
-status_t MediaPlayerService::Client::getRoutedDeviceId(audio_port_handle_t* deviceId)
+status_t MediaPlayerService::Client::getRoutedDeviceIds(DeviceIdVector& deviceIds)
 {
-    ALOGV("[%d] getRoutedDeviceId", mConnId);
+    ALOGV("[%d] getRoutedDeviceIds", mConnId);
     {
         Mutex::Autolock l(mLock);
         if (mAudioOutput.get() != nullptr) {
-            return mAudioOutput->getRoutedDeviceId(deviceId);
+            return mAudioOutput->getRoutedDeviceIds(deviceIds);
         }
     }
     return NO_INIT;
@@ -1830,7 +1833,6 @@
       mFlags(AUDIO_OUTPUT_FLAG_NONE),
       mVolumeHandler(new media::VolumeHandler()),
       mSelectedDeviceId(AUDIO_PORT_HANDLE_NONE),
-      mRoutedDeviceId(AUDIO_PORT_HANDLE_NONE),
       mDeviceCallbackEnabled(false),
       mDeviceCallback(deviceCallback)
 {
@@ -2604,14 +2606,14 @@
     return NO_ERROR;
 }
 
-status_t MediaPlayerService::AudioOutput::getRoutedDeviceId(audio_port_handle_t* deviceId)
+status_t MediaPlayerService::AudioOutput::getRoutedDeviceIds(DeviceIdVector& deviceIds)
 {
-    ALOGV("getRoutedDeviceId");
+    ALOGV("getRoutedDeviceIds");
     Mutex::Autolock lock(mLock);
     if (mTrack != 0) {
-        mRoutedDeviceId = mTrack->getRoutedDeviceId();
+        mRoutedDeviceIds = mTrack->getRoutedDeviceIds();
     }
-    *deviceId = mRoutedDeviceId;
+    deviceIds = mRoutedDeviceIds;
     return NO_ERROR;
 }
 
diff --git a/media/libmediaplayerservice/MediaPlayerService.h b/media/libmediaplayerservice/MediaPlayerService.h
index 76b7bcf..497ef79 100644
--- a/media/libmediaplayerservice/MediaPlayerService.h
+++ b/media/libmediaplayerservice/MediaPlayerService.h
@@ -28,6 +28,7 @@
 #include <utils/Vector.h>
 
 #include <media/AidlConversion.h>
+#include <media/AudioContainers.h>
 #include <media/AudioResamplerPublic.h>
 #include <media/AudioSystem.h>
 #include <media/AudioTrack.h>
@@ -148,7 +149,7 @@
 
         // AudioRouting
         virtual status_t        setOutputDevice(audio_port_handle_t deviceId);
-        virtual status_t        getRoutedDeviceId(audio_port_handle_t* deviceId);
+        virtual status_t        getRoutedDeviceIds(DeviceIdVector& deviceIds);
         virtual status_t        enableAudioDeviceCallback(bool enabled);
 
     private:
@@ -181,7 +182,7 @@
         audio_output_flags_t    mFlags;
         sp<media::VolumeHandler>       mVolumeHandler;
         audio_port_handle_t     mSelectedDeviceId;
-        audio_port_handle_t     mRoutedDeviceId;
+        DeviceIdVector          mRoutedDeviceIds;
         bool                    mDeviceCallbackEnabled;
         wp<AudioSystem::AudioDeviceCallback>        mDeviceCallback;
         mutable Mutex           mLock;
@@ -401,7 +402,7 @@
         virtual status_t releaseDrm();
         // AudioRouting
         virtual status_t setOutputDevice(audio_port_handle_t deviceId);
-        virtual status_t getRoutedDeviceId(audio_port_handle_t* deviceId);
+        virtual status_t getRoutedDeviceIds(DeviceIdVector& deviceIds);
         virtual status_t enableAudioDeviceCallback(bool enabled);
 
     private:
@@ -414,7 +415,7 @@
             ~AudioDeviceUpdatedNotifier() {}
 
             virtual void onAudioDeviceUpdate(audio_io_handle_t audioIo,
-                                             audio_port_handle_t deviceId);
+                                             const DeviceIdVector& deviceIds);
 
         private:
             wp<MediaPlayerBase> mListener;
diff --git a/media/libmediaplayerservice/MediaRecorderClient.cpp b/media/libmediaplayerservice/MediaRecorderClient.cpp
index ed3ec89..53f4e61 100644
--- a/media/libmediaplayerservice/MediaRecorderClient.cpp
+++ b/media/libmediaplayerservice/MediaRecorderClient.cpp
@@ -409,10 +409,13 @@
 
 void MediaRecorderClient::AudioDeviceUpdatedNotifier::onAudioDeviceUpdate(
         audio_io_handle_t audioIo,
-        audio_port_handle_t deviceId) {
+        const DeviceIdVector& deviceIds) {
+    ALOGD("onAudioDeviceUpdate deviceIds: %s", toString(deviceIds).c_str());
     sp<IMediaRecorderClient> listener = mListener.promote();
     if (listener != NULL) {
-        listener->notify(MEDIA_RECORDER_AUDIO_ROUTING_CHANGED, audioIo, deviceId);
+        // Java should query the new device ids once it gets the event.
+        // TODO(b/378505346): Pass the deviceIds to Java to avoid race conditions.
+        listener->notify(MEDIA_RECORDER_AUDIO_ROUTING_CHANGED, audioIo, 0 /*ext2*/);
     } else {
         ALOGW("listener for process %d death is gone", MEDIA_RECORDER_AUDIO_ROUTING_CHANGED);
     }
@@ -550,11 +553,11 @@
     return NO_INIT;
 }
 
-status_t MediaRecorderClient::getRoutedDeviceId(audio_port_handle_t* deviceId) {
-    ALOGV("getRoutedDeviceId");
+status_t MediaRecorderClient::getRoutedDeviceIds(DeviceIdVector& deviceIds) {
+    ALOGV("getRoutedDeviceIds");
     Mutex::Autolock lock(mLock);
     if (mRecorder != NULL) {
-        return mRecorder->getRoutedDeviceId(deviceId);
+        return mRecorder->getRoutedDeviceIds(deviceIds);
     }
     return NO_INIT;
 }
diff --git a/media/libmediaplayerservice/MediaRecorderClient.h b/media/libmediaplayerservice/MediaRecorderClient.h
index dec0c99..3b9ab07 100644
--- a/media/libmediaplayerservice/MediaRecorderClient.h
+++ b/media/libmediaplayerservice/MediaRecorderClient.h
@@ -41,7 +41,7 @@
         virtual ~AudioDeviceUpdatedNotifier();
         virtual void onAudioDeviceUpdate(
                 audio_io_handle_t audioIo,
-                audio_port_handle_t deviceId);
+                const DeviceIdVector& deviceIds);
     private:
         wp<IMediaRecorderClient> mListener;
     };
@@ -80,7 +80,7 @@
     virtual     status_t   setInputSurface(const sp<PersistentSurface>& surface);
     virtual     sp<IGraphicBufferProducer> querySurfaceMediaSource();
     virtual     status_t   setInputDevice(audio_port_handle_t deviceId);
-    virtual     status_t   getRoutedDeviceId(audio_port_handle_t* deviceId);
+    virtual     status_t   getRoutedDeviceIds(DeviceIdVector& deviceIds);
     virtual     status_t   enableAudioDeviceCallback(bool enabled);
     virtual     status_t   getActiveMicrophones(
                               std::vector<media::MicrophoneInfoFw>* activeMicrophones);
diff --git a/media/libmediaplayerservice/StagefrightRecorder.cpp b/media/libmediaplayerservice/StagefrightRecorder.cpp
index 23e7a47..fa42da2 100644
--- a/media/libmediaplayerservice/StagefrightRecorder.cpp
+++ b/media/libmediaplayerservice/StagefrightRecorder.cpp
@@ -2595,11 +2595,11 @@
     return NO_ERROR;
 }
 
-status_t StagefrightRecorder::getRoutedDeviceId(audio_port_handle_t* deviceId) {
-    ALOGV("getRoutedDeviceId");
+status_t StagefrightRecorder::getRoutedDeviceIds(DeviceIdVector& deviceIds) {
+    ALOGV("getRoutedDeviceIds");
 
     if (mAudioSourceNode != 0) {
-        status_t status = mAudioSourceNode->getRoutedDeviceId(deviceId);
+        status_t status = mAudioSourceNode->getRoutedDeviceIds(deviceIds);
         return status;
     }
     return NO_INIT;
diff --git a/media/libmediaplayerservice/StagefrightRecorder.h b/media/libmediaplayerservice/StagefrightRecorder.h
index 0b6a5bb..4c5e62f 100644
--- a/media/libmediaplayerservice/StagefrightRecorder.h
+++ b/media/libmediaplayerservice/StagefrightRecorder.h
@@ -80,7 +80,7 @@
     // Querying a SurfaceMediaSourcer
     virtual sp<IGraphicBufferProducer> querySurfaceMediaSource() const;
     virtual status_t setInputDevice(audio_port_handle_t deviceId);
-    virtual status_t getRoutedDeviceId(audio_port_handle_t* deviceId);
+    virtual status_t getRoutedDeviceIds(DeviceIdVector& deviceIds);
     virtual void setAudioDeviceCallback(const sp<AudioSystem::AudioDeviceCallback>& callback);
     virtual status_t enableAudioDeviceCallback(bool enabled);
     virtual status_t getActiveMicrophones(std::vector<media::MicrophoneInfoFw>* activeMicrophones);
diff --git a/media/libmediaplayerservice/fuzzer/Android.bp b/media/libmediaplayerservice/fuzzer/Android.bp
index e413241..a3285ee 100644
--- a/media/libmediaplayerservice/fuzzer/Android.bp
+++ b/media/libmediaplayerservice/fuzzer/Android.bp
@@ -82,6 +82,7 @@
         "libactivitymanager_aidl",
         "libandroid_net",
         "libaudioflinger",
+        "libaudiofoundation",
         "libcamera_client",
         "libcodec2_client",
         "libcrypto",
@@ -160,6 +161,7 @@
         "libactivitymanager_aidl",
         "libandroid_net",
         "libaudioclient",
+        "libaudiofoundation",
         "libcamera_client",
         "libcodec2_client",
         "libcrypto",
diff --git a/media/libmediaplayerservice/fuzzer/mediaplayer_fuzzer.cpp b/media/libmediaplayerservice/fuzzer/mediaplayer_fuzzer.cpp
index 15265bf..a52d751 100644
--- a/media/libmediaplayerservice/fuzzer/mediaplayer_fuzzer.cpp
+++ b/media/libmediaplayerservice/fuzzer/mediaplayer_fuzzer.cpp
@@ -482,8 +482,8 @@
                     mMediaPlayer->setOutputDevice(deviceId);
                 },
                 [&]() {
-                    audio_port_handle_t deviceId;
-                    mMediaPlayer->getRoutedDeviceId(&deviceId);
+                    DeviceIdVector deviceIds;
+                    mMediaPlayer->getRoutedDeviceIds(deviceIds);
                 },
                 [&]() { mMediaPlayer->enableAudioDeviceCallback(mFdp.ConsumeBool()); },
                 [&]() {
diff --git a/media/libmediaplayerservice/fuzzer/mediarecorder_fuzzer.cpp b/media/libmediaplayerservice/fuzzer/mediarecorder_fuzzer.cpp
index 3339ae8..b95cae7 100644
--- a/media/libmediaplayerservice/fuzzer/mediarecorder_fuzzer.cpp
+++ b/media/libmediaplayerservice/fuzzer/mediarecorder_fuzzer.cpp
@@ -116,7 +116,7 @@
     virtual ~TestAudioDeviceCallback() = default;
 
     void onAudioDeviceUpdate(audio_io_handle_t /*audioIo*/,
-                             audio_port_handle_t /*deviceId*/) override{};
+                             const DeviceIdVector& /*deviceIds*/) override{};
 };
 
 class TestCamera : public ICamera {
@@ -185,8 +185,8 @@
     int32_t max;
     mStfRecorder->getMaxAmplitude(&max);
 
-    int32_t deviceId;
-    mStfRecorder->getRoutedDeviceId(&deviceId);
+    DeviceIdVector deviceIds;
+    mStfRecorder->getRoutedDeviceIds(deviceIds);
 
     vector<android::media::MicrophoneInfoFw> activeMicrophones{};
     mStfRecorder->getActiveMicrophones(&activeMicrophones);
diff --git a/media/libmediaplayerservice/include/MediaPlayerInterface.h b/media/libmediaplayerservice/include/MediaPlayerInterface.h
index 495cf00..9fe0e95 100644
--- a/media/libmediaplayerservice/include/MediaPlayerInterface.h
+++ b/media/libmediaplayerservice/include/MediaPlayerInterface.h
@@ -26,6 +26,7 @@
 #include <utils/RefBase.h>
 
 #include <media/mediaplayer.h>
+#include <media/AudioContainers.h>
 #include <media/AudioResamplerPublic.h>
 #include <media/AudioTimestamp.h>
 #include <media/AVSyncSettings.h>
@@ -185,7 +186,7 @@
 
         // AudioRouting
         virtual status_t    setOutputDevice(audio_port_handle_t deviceId) = 0;
-        virtual status_t    getRoutedDeviceId(audio_port_handle_t* deviceId) = 0;
+        virtual status_t    getRoutedDeviceIds(DeviceIdVector& deviceIds) = 0;
         virtual status_t    enableAudioDeviceCallback(bool enabled) = 0;
     };