From ec67b67966bea03b6ce35967472f7782633b1066 Mon Sep 17 00:00:00 2001
From: Ken Cooke <ken@highfidelity.io>
Date: Thu, 10 Oct 2019 14:10:47 -0700
Subject: [PATCH] On waking from sleep/hibernate, restart the audio devices

---
 interface/src/Application.cpp              | 1 +
 libraries/audio-client/src/AudioClient.cpp | 6 ++++++
 libraries/audio-client/src/AudioClient.h   | 1 +
 3 files changed, 8 insertions(+)

diff --git a/interface/src/Application.cpp b/interface/src/Application.cpp
index 421741b0a2..92bc54d43f 100644
--- a/interface/src/Application.cpp
+++ b/interface/src/Application.cpp
@@ -974,6 +974,7 @@ bool setupEssentials(int& argc, char** argv, bool runningMarkerExisted) {
     
     QObject::connect(PlatformHelper::instance(), &PlatformHelper::systemWillWake, [] {
         QMetaObject::invokeMethod(DependencyManager::get<NodeList>().data(), "noteAwakening", Qt::QueuedConnection);
+        QMetaObject::invokeMethod(DependencyManager::get<AudioClient>().data(), "noteAwakening", Qt::QueuedConnection);
     });
 
 
diff --git a/libraries/audio-client/src/AudioClient.cpp b/libraries/audio-client/src/AudioClient.cpp
index 5e1f285a6c..d29045c99b 100644
--- a/libraries/audio-client/src/AudioClient.cpp
+++ b/libraries/audio-client/src/AudioClient.cpp
@@ -1998,6 +1998,12 @@ void AudioClient::outputNotify() {
     }
 }
 
+void AudioClient::noteAwakening() {
+    qCDebug(audioclient) << "Restarting the audio devices.";
+    switchInputToAudioDevice(_inputDeviceInfo); 
+    switchOutputToAudioDevice(_outputDeviceInfo);
+}
+
 bool AudioClient::switchOutputToAudioDevice(const HifiAudioDeviceInfo outputDeviceInfo, bool isShutdownRequest) {
     Q_ASSERT_X(QThread::currentThread() == thread(), Q_FUNC_INFO, "Function invoked on wrong thread");
 
diff --git a/libraries/audio-client/src/AudioClient.h b/libraries/audio-client/src/AudioClient.h
index 28a4f23968..b4ddb1018e 100644
--- a/libraries/audio-client/src/AudioClient.h
+++ b/libraries/audio-client/src/AudioClient.h
@@ -255,6 +255,7 @@ public slots:
     void setOutputGain(float gain) { _outputGain = gain; };
 
     void outputNotify();
+    void noteAwakening();
 
     void loadSettings();
     void saveSettings();