Handle 'device changed' callback

indra/llwebrtc/llwebrtc.cpp

@@ -113,6 +113,7 @@ void LLWebRTCImpl::init()
                                 mTuningDeviceModule->SetStereoRecording(true);
                                 mTuningDeviceModule->SetStereoPlayout(true);
                                 mTuningDeviceModule->EnableBuiltInAEC(false);
+                                mTuningDeviceModule->SetAudioDeviceSink(this);
                                 updateDevices();
                             });
     
@@ -379,31 +380,42 @@ void LLWebRTCImpl::setRenderDevice(const std::string &id)
 
 void LLWebRTCImpl::updateDevices()
 {
-    int16_t                 renderDeviceCount = mTuningDeviceModule->PlayoutDevices();
+    int16_t renderDeviceCount = mTuningDeviceModule->PlayoutDevices();
+    int16_t currentRenderDeviceIndex = mTuningDeviceModule->GetPlayoutDevice();
+    
     LLWebRTCVoiceDeviceList renderDeviceList;
     for (int16_t index = 0; index < renderDeviceCount; index++)
     {
         char name[webrtc::kAdmMaxDeviceNameSize];
         char guid[webrtc::kAdmMaxGuidSize];
         mTuningDeviceModule->PlayoutDeviceName(index, name, guid);
-        renderDeviceList.emplace_back(name, guid);
+        renderDeviceList.emplace_back(name, guid, index == currentRenderDeviceIndex);
     }
     
-    int16_t                 captureDeviceCount = mTuningDeviceModule->RecordingDevices();
+    int16_t captureDeviceCount = mTuningDeviceModule->RecordingDevices();
+    int16_t currentCaptureDeviceIndex = mTuningDeviceModule->GetRecordingDevice();
+
     LLWebRTCVoiceDeviceList captureDeviceList;
     for (int16_t index = 0; index < captureDeviceCount; index++)
     {
         char name[webrtc::kAdmMaxDeviceNameSize];
         char guid[webrtc::kAdmMaxGuidSize];
         mTuningDeviceModule->RecordingDeviceName(index, name, guid);
-        captureDeviceList.emplace_back(name, guid);
+        captureDeviceList.emplace_back(name, guid, index == currentCaptureDeviceIndex);
     }
     for (auto &observer : mVoiceDevicesObserverList)
     {
-        observer->OnDevicesChanged(renderDeviceList, captureDeviceList);
+        observer->OnDevicesChanged(renderDeviceList,
+                                   captureDeviceList);
     }
 }
 
+void LLWebRTCImpl::OnDevicesUpdated()
+{
+    updateDevices();
+}
+
+
 void LLWebRTCImpl::setTuningMode(bool enable)
 {
     mWorkerThread->BlockingCall(

indra/llwebrtc/llwebrtc.h

@@ -56,11 +56,14 @@ class LLWebRTCVoiceDevice
 {
   public:
     std::string display_name;  // friendly value for the user
-    std::string id;     // internal value for selection
+    std::string id; // internal value for selection
+    bool current;  // current device
 
-    LLWebRTCVoiceDevice(const std::string &display_name, const std::string &id) :
+    LLWebRTCVoiceDevice(const std::string &display_name, const std::string &id, bool current) :
         display_name(display_name),
-        id(id) {};
+        id(id),
+        current(current)
+    {};
 };
 
 typedef std::vector<LLWebRTCVoiceDevice> LLWebRTCVoiceDeviceList;

indra/llwebrtc/llwebrtc_impl.h

@@ -89,7 +89,7 @@ class LLAudioDeviceObserver : public webrtc::AudioDeviceDataObserver
     float mMicrophoneEnergy;
 };
 
-class LLWebRTCImpl : public LLWebRTCDeviceInterface
+class LLWebRTCImpl : public LLWebRTCDeviceInterface, public webrtc::AudioDeviceSink
 {
   public:
     LLWebRTCImpl() : 
@@ -117,6 +117,11 @@ class LLWebRTCImpl : public LLWebRTCDeviceInterface
     float getTuningAudioLevel() override;
     float getPeerAudioLevel() override;
     
+    //
+    // AudioDeviceSink
+    //
+    void OnDevicesUpdated() override;
+    
     //
     // Helpers
     //

indra/newview/llvoicewebrtc.cpp

@@ -8,7 +8,7 @@
  * ne
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
+ * License as published by the Free Software Foundation
  * version 2.1 of the License only.
  * 
  * This library is distributed in the hope that it will be useful,
@@ -689,16 +689,41 @@ void LLWebRTCVoiceClient::setDevicesListUpdated(bool state)
 void LLWebRTCVoiceClient::OnDevicesChanged(const llwebrtc::LLWebRTCVoiceDeviceList &render_devices,
                                            const llwebrtc::LLWebRTCVoiceDeviceList &capture_devices)
 {
+    std::string inputDevice = gSavedSettings.getString("VoiceInputAudioDevice");
+    std::string outputDevice = gSavedSettings.getString("VoiceOutputAudioDevice");
+
     clearRenderDevices();
+    bool renderDeviceSet = false;
     for (auto &device : render_devices)
     {
         addRenderDevice(LLVoiceDevice(device.display_name, device.id));
+        if (device.current && outputDevice == device.id)
+        {
+            setRenderDevice(outputDevice);
+            renderDeviceSet = true;
+        }
     }
+    if (!renderDeviceSet)
+    {
+        setRenderDevice("Default");
+    }
+
     clearCaptureDevices();
+    bool captureDeviceSet = false;
     for (auto &device : capture_devices)
     {
         addCaptureDevice(LLVoiceDevice(device.display_name, device.id));
+        if (device.current && inputDevice == device.id)
+        {
+            setCaptureDevice(outputDevice);
+            captureDeviceSet = true;
+        }
     }
+    if (!captureDeviceSet)
+    {
+        setCaptureDevice("Default");
+    }
+
     setDevicesListUpdated(true);
 }
 

indra/newview/llvoicewebrtc.h

@@ -102,7 +102,6 @@ public:
 	/// @name Devices
 	//@{
 	// This returns true when it's safe to bring up the "device settings" dialog in the prefs.
-	// i.e. when the daemon is running and connected, and the device lists are populated.
 	bool deviceSettingsAvailable() override;
 	bool deviceSettingsUpdated() override;  //return if the list has been updated and never fetched,  only to be called from the voicepanel.