Enable WASAPI for windows builds

source/backend/engine/CarlaEngine.cpp

@@ -227,6 +227,8 @@ CarlaEngine* CarlaEngine::newDriverByName(const char* const driverName)
         return newJuce(AUDIO_API_ASIO);
     if (std::strcmp(driverName, "DirectSound") == 0)
         return newJuce(AUDIO_API_DIRECTSOUND);
+    if (std::strcmp(driverName, "WASAPI") == 0 || std::strcmp(driverName, "Windows Audio") == 0)
+        return newJuce(AUDIO_API_WASAPI);
 # else
     // -------------------------------------------------------------------
     // common

source/backend/engine/CarlaEngineJuce.cpp

@@ -88,6 +88,14 @@ struct JuceCleanup : public juce::DeletedAtShutdown {
 // -------------------------------------------------------------------------------------------------------------------
 // Cleanup
 
+struct AudioIODeviceTypeComparator
+{
+    static int compareElements (const juce::AudioIODeviceType* d1, const juce::AudioIODeviceType* d2) noexcept
+    {
+        return d1->getTypeName().compareNatural (d2->getTypeName());
+    }
+};
+
 static void initJuceDevicesIfNeeded()
 {
     static juce::AudioDeviceManager sDeviceManager;
@@ -110,6 +118,9 @@ static void initJuceDevicesIfNeeded()
             break;
         }
     }
+
+    AudioIODeviceTypeComparator comp;
+    gDeviceTypes.sort(comp);
 }
 
 // -------------------------------------------------------------------------------------------------------------------
@@ -831,7 +842,6 @@ CarlaEngine* CarlaEngine::newJuce(const AudioApi api)
     case AUDIO_API_NULL:
     case AUDIO_API_OSS:
     case AUDIO_API_PULSEAUDIO:
-    case AUDIO_API_WASAPI:
         break;
     case AUDIO_API_JACK:
         juceApi = "JACK";
@@ -848,6 +858,9 @@ CarlaEngine* CarlaEngine::newJuce(const AudioApi api)
     case AUDIO_API_DIRECTSOUND:
         juceApi = "DirectSound";
         break;
+    case AUDIO_API_WASAPI:
+        juceApi = "Windows Audio";
+        break;
     }
 
     if (juceApi.isEmpty())

source/modules/AppConfig.h

@@ -115,7 +115,11 @@
 /** Config: JUCE_WASAPI
     Enables WASAPI audio devices (Windows Vista and above).
 */
-#define JUCE_WASAPI 0
+#if defined(APPCONFIG_OS_WIN) && !defined(BUILDING_CARLA_NOOPT)
+ #define JUCE_WASAPI 1
+#else
+ #define JUCE_WASAPI 0
+#endif
 
 /** Config: JUCE_DIRECTSOUND
     Enables DirectSound audio (MS Windows only).

source/modules/juce_audio_devices/native/juce_win32_WASAPI.cpp

@@ -994,8 +994,8 @@ public:
           isStarted (false),
           currentBufferSizeSamples (0),
           currentSampleRate (0),
-          callback (nullptr),
-          deviceBecameInactive (false)
+          deviceBecameInactive (false),
+          callback (nullptr)
     {
     }
 
@@ -1716,9 +1716,7 @@ AudioIODeviceType* AudioIODeviceType::createAudioIODeviceType_WASAPI (bool exclu
         return nullptr;
    #endif
 
-    return SystemStats::getOperatingSystemType() >= SystemStats::WinVista
-                ? new WasapiClasses::WASAPIAudioIODeviceType (exclusiveMode)
-                : nullptr;
+    return new WasapiClasses::WASAPIAudioIODeviceType (exclusiveMode);
 }
 
 //==============================================================================