Add audio in/out device list (stubs)

Clicking through the list currently has no effect

src/widget/form/settings/avform.cpp

@@ -17,12 +17,23 @@
 #include "avform.h"
 #include "ui_avsettings.h"
 
+#if defined(__APPLE__) && defined(__MACH__)
+ #include <OpenAL/al.h>
+ #include <OpenAL/alc.h>
+#else
+ #include <AL/alc.h>
+ #include <AL/al.h>
+#endif
+
 AVForm::AVForm() :
     GenericForm(tr("Audio/Video"), QPixmap(":/img/settings/av.png"))
 {
     bodyUI = new Ui::AVSettings;
     bodyUI->setupUi(this);
 
+    getAudioOutDevices();
+    getAudioInDevices();
+
     connect(Camera::getInstance(), &Camera::propProbingFinished, this, &AVForm::onPropProbingFinished);
     connect(Camera::getInstance(), &Camera::resolutionProbingFinished, this, &AVForm::onResProbingFinished);
 }
@@ -103,3 +114,35 @@ void AVForm::hideEvent(QHideEvent *)
 {
     bodyUI->CamVideoSurface->setSource(nullptr);
 }
+
+void AVForm::getAudioInDevices()
+{
+    const ALchar *pDeviceList = alcGetString(NULL, ALC_CAPTURE_DEVICE_SPECIFIER);
+    if (pDeviceList)
+    {
+        while (*pDeviceList)
+        {
+            int len = strlen(pDeviceList);
+            bodyUI->inDevCombobox->addItem(QString::fromLocal8Bit(pDeviceList,len));
+            pDeviceList += len+1;
+        }
+    }
+}
+
+void AVForm::getAudioOutDevices()
+{
+    const ALchar *pDeviceList;
+    if (alcIsExtensionPresent(NULL, "ALC_ENUMERATE_ALL_EXT") != AL_FALSE)
+        pDeviceList = alcGetString(NULL, ALC_ALL_DEVICES_SPECIFIER);
+    else
+        pDeviceList = alcGetString(NULL, ALC_DEVICE_SPECIFIER);
+    if (pDeviceList)
+    {
+        while (*pDeviceList)
+        {
+            int len = strlen(pDeviceList);
+            bodyUI->outDevCombobox->addItem(QString::fromLocal8Bit(pDeviceList,len));
+            pDeviceList += len+1;
+        }
+    }
+}

src/widget/form/settings/avform.h

@@ -38,8 +38,11 @@ public:
     ~AVForm();
     virtual void present();
 
-private slots:
+private:
+    void getAudioInDevices();
+    void getAudioOutDevices();
 
+private slots:
     void on_ContrastSlider_sliderMoved(int position);
     void on_SaturationSlider_sliderMoved(int position);
     void on_BrightnessSlider_sliderMoved(int position);

src/widget/form/settings/avsettings.ui

@@ -38,37 +38,57 @@
        <item>
         <widget class="QGroupBox" name="audioGroup">
          <property name="title">
-          <string>Volume Settings (Stubs)</string>
+          <string>Audio Settings</string>
          </property>
          <layout class="QFormLayout" name="formLayout_2">
-          <item row="4" column="0">
+          <item row="6" column="0">
            <widget class="QLabel" name="microphoneLabel">
             <property name="text">
              <string>Microphone</string>
             </property>
            </widget>
           </item>
-          <item row="0" column="0">
+          <item row="1" column="0">
            <widget class="QLabel" name="playbackLabel">
             <property name="text">
              <string>Playback</string>
             </property>
            </widget>
           </item>
-          <item row="0" column="1">
+          <item row="1" column="1">
            <widget class="QSlider" name="playbackSlider">
             <property name="orientation">
              <enum>Qt::Horizontal</enum>
             </property>
            </widget>
           </item>
-          <item row="4" column="1">
+          <item row="6" column="1">
            <widget class="QSlider" name="microphoneSlider">
             <property name="orientation">
              <enum>Qt::Horizontal</enum>
             </property>
            </widget>
           </item>
+          <item row="0" column="0">
+           <widget class="QLabel" name="outDevLabel">
+            <property name="text">
+             <string>Playback device</string>
+            </property>
+           </widget>
+          </item>
+          <item row="5" column="0">
+           <widget class="QLabel" name="inDevLabel">
+            <property name="text">
+             <string>Capture device</string>
+            </property>
+           </widget>
+          </item>
+          <item row="5" column="1">
+           <widget class="QComboBox" name="inDevCombobox"/>
+          </item>
+          <item row="0" column="1">
+           <widget class="QComboBox" name="outDevCombobox"/>
+          </item>
          </layout>
         </widget>
        </item>