Headset plug/unplug detection

android/app/src/main/java/io/highfidelity/hifiinterface/receiver/HeadsetStateReceiver.java

@@ -13,8 +13,6 @@ public class HeadsetStateReceiver extends BroadcastReceiver {
     @Override
     public void onReceive(Context context, Intent intent) {
         AudioManager audioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
-
-        Log.d("[HEADSET] " , "BR - Wired headset on:" +  audioManager.isWiredHeadsetOn());
         notifyHeadsetOn(audioManager.isWiredHeadsetOn());
     }
 }

interface/src/AndroidHelper.cpp

@@ -63,13 +63,7 @@ void AndroidHelper::notifyHeadsetOn(bool pluggedIn) {
 #if defined (Q_OS_ANDROID)
     auto audioClient = DependencyManager::get<AudioClient>();
     if (audioClient) {
-        QAudioDeviceInfo activeDev =  audioClient->getActiveAudioDevice(QAudio::AudioInput);
+        QMetaObject::invokeMethod(audioClient.data(), "setHeadsetPluggedIn", Q_ARG(bool, pluggedIn));
-        Setting::Handle<bool> enableAEC(QStringList() << ANDROID_SETTINGS_GROUP << SETTING_AEC_KEY, false);
-        if ((pluggedIn || !enableAEC.get()) && !activeDev.isNull() && activeDev.deviceName() != VOICE_RECOGNITION) {
-            QMetaObject::invokeMethod(audioClient.get(), "switchAudioDevice", Q_ARG(QAudio::Mode, QAudio::AudioInput), Q_ARG(QString, VOICE_RECOGNITION));
-        } else if ( (!pluggedIn && enableAEC.get()) && !activeDev.isNull() && activeDev.deviceName() != VOICE_COMMUNICATION) {
-            QMetaObject::invokeMethod(audioClient.get(), "switchAudioDevice", Q_ARG(QAudio::Mode, QAudio::AudioInput), Q_ARG(QString, VOICE_COMMUNICATION));
-        }
     }
 #endif
 }

libraries/audio-client/src/AudioClient.cpp

@@ -209,6 +209,7 @@ AudioClient::AudioClient() :
     _positionGetter(DEFAULT_POSITION_GETTER),
 #if defined(Q_OS_ANDROID)
     _checkInputTimer(this),
+    _isHeadsetPluggedIn(false),
 #endif
     _orientationGetter(DEFAULT_ORIENTATION_GETTER) {
     // avoid putting a lock in the device callback
@@ -450,12 +451,14 @@ QAudioDeviceInfo defaultAudioDeviceForMode(QAudio::Mode mode) {
 
 #if defined (Q_OS_ANDROID)
     if (mode == QAudio::AudioInput) {
-        Setting::Handle<bool> enableAEC(QStringList() << ANDROID_SETTINGS_GROUP << SETTING_AEC_KEY, false);
+        Setting::Handle<bool> enableAEC(SETTING_AEC_KEY, false);
         bool aecEnabled = enableAEC.get();
+        auto audioClient = DependencyManager::get<AudioClient>();
+        bool headsetOn = audioClient? audioClient->isHeadsetPluggedIn() : false ;
         auto inputDevices = QAudioDeviceInfo::availableDevices(QAudio::AudioInput);
         for (auto inputDevice : inputDevices) {
-            if ((aecEnabled && inputDevice.deviceName() == VOICE_COMMUNICATION) ||
+            if (((headsetOn || !aecEnabled) && inputDevice.deviceName() == VOICE_RECOGNITION) ||
-                    (!aecEnabled && inputDevice.deviceName() == VOICE_RECOGNITION)) {
+                    ((!headsetOn && aecEnabled) && inputDevice.deviceName() == VOICE_COMMUNICATION)) {
                 return inputDevice;
             }
         }
@@ -1632,6 +1635,29 @@ void AudioClient::checkInputTimeout() {
 #endif
 }
 
+void AudioClient::setHeadsetPluggedIn(bool pluggedIn) {
+#if defined(Q_OS_ANDROID)
+    if (pluggedIn == !_isHeadsetPluggedIn && !_inputDeviceInfo.isNull()) {
+        QAndroidJniObject brand =  QAndroidJniObject::getStaticObjectField<jstring>("android/os/Build", "BRAND");
+        // some samsung phones needs more time to shutdown the previous input device
+        if (brand.toString().contains("samsung", Qt::CaseInsensitive)) {
+            switchInputToAudioDevice(QAudioDeviceInfo(), true);
+            QThread::msleep(200);
+        }
+
+        Setting::Handle<bool> enableAEC(SETTING_AEC_KEY, false);
+        bool aecEnabled = enableAEC.get();
+
+        if ((pluggedIn || !aecEnabled) && _inputDeviceInfo.deviceName() != VOICE_RECOGNITION) {
+            switchAudioDevice(QAudio::AudioInput, VOICE_RECOGNITION);
+        } else if (!pluggedIn && aecEnabled && _inputDeviceInfo.deviceName() != VOICE_COMMUNICATION) {
+            switchAudioDevice(QAudio::AudioInput, VOICE_COMMUNICATION);
+        }
+    }
+    _isHeadsetPluggedIn = pluggedIn;
+#endif
+}
+
 void AudioClient::outputNotify() {
     int recentUnfulfilled = _audioOutputIODevice.getRecentUnfulfilledReads();
     if (recentUnfulfilled > 0) {

libraries/audio-client/src/AudioClient.h

@@ -68,8 +68,7 @@
 #define VOICE_RECOGNITION "voicerecognition"
 #define VOICE_COMMUNICATION "voicecommunication"
 
-#define ANDROID_SETTINGS_GROUP "Android"
+#define SETTING_AEC_KEY "Android/aec"
-#define SETTING_AEC_KEY "aec"
 #endif
 
 class QAudioInput;
@@ -176,6 +175,10 @@ public:
     static QString getWinDeviceName(wchar_t* guid);
 #endif
 
+#if defined(Q_OS_ANDROID)
+    bool isHeadsetPluggedIn() { return _isHeadsetPluggedIn; }
+#endif
+
 public slots:
     void start();
     void stop();
@@ -224,6 +227,9 @@ public slots:
     bool switchAudioDevice(QAudio::Mode mode, const QAudioDeviceInfo& deviceInfo = QAudioDeviceInfo());
     bool switchAudioDevice(QAudio::Mode mode, const QString& deviceName);
 
+    // Qt opensles plugin is not able to detect when the headset is plugged in
+    void setHeadsetPluggedIn(bool pluggedIn);
+
     float getInputVolume() const { return (_audioInput) ? (float)_audioInput->volume() : 0.0f; }
     void setInputVolume(float volume, bool emitSignal = true);
     void setReverb(bool reverb);
@@ -285,6 +291,7 @@ private:
 #ifdef Q_OS_ANDROID
     QTimer _checkInputTimer;
     long _inputReadsSinceLastCheck = 0l;
+    bool _isHeadsetPluggedIn;
 #endif
 
     class Gate {