add dummy audio manager for non windows platforms

src/tabcontrollers/audiomanager/AudioManagerDummy.cpp

@@ -0,0 +1,118 @@
+#include "AudioManagerDummy.h"
+
+// application namespace
+namespace advsettings {
+
+void AudioManagerDummy::init(AudioTabController *controller)
+{
+    // noop
+}
+
+void AudioManagerDummy::setPlaybackDevice(const std::string &id, bool notify)
+{
+    // noop
+}
+
+std::string AudioManagerDummy::getPlaybackDevName()
+{
+    return "dummy";
+}
+
+std::string AudioManagerDummy::getPlaybackDevId()
+{
+    return "dummy";
+}
+
+void AudioManagerDummy::setMirrorDevice(const std::string &id, bool notify)
+{
+    // noop
+}
+
+bool AudioManagerDummy::isMirrorValid()
+{
+    return false;
+}
+
+std::string AudioManagerDummy::getMirrorDevName()
+{
+    return "dummy";
+}
+
+std::string AudioManagerDummy::getMirrorDevId()
+{
+    return "dummy";
+}
+
+float AudioManagerDummy::getMirrorVolume()
+{
+    return 0;
+}
+
+bool AudioManagerDummy::setMirrorVolume(float value)
+{
+    return false;
+}
+
+bool AudioManagerDummy::getMirrorMuted()
+{
+    return true;
+}
+
+bool AudioManagerDummy::setMirrorMuted(bool value)
+{
+    return false;
+}
+
+bool AudioManagerDummy::isMicValid()
+{
+    return false;
+}
+
+void AudioManagerDummy::setMicDevice(const std::string &id, bool notify)
+{
+    // noop
+}
+
+std::string AudioManagerDummy::getMicDevName()
+{
+    return "dummy";
+}
+
+std::string AudioManagerDummy::getMicDevId()
+{
+    return "dummy";
+}
+
+float AudioManagerDummy::getMicVolume()
+{
+    return 0;
+}
+
+bool AudioManagerDummy::setMicVolume(float value)
+{
+    return false;
+}
+
+bool AudioManagerDummy::getMicMuted()
+{
+    return true;
+}
+
+bool AudioManagerDummy::setMicMuted(bool value)
+{
+    return false;
+}
+
+std::vector<std::pair<std::string, std::string> > AudioManagerDummy::getRecordingDevices()
+{
+    return {};
+}
+
+std::vector<std::pair<std::string, std::string> > AudioManagerDummy::getPlaybackDevices()
+{
+    return {};
+}
+
+
+
+}