Merge pull request #601 from Ragora/bugfix-audio-devices

* BugFix: Fix AL device listing

Engine/source/sfx/openal/aldlist.cpp

@@ -55,9 +55,20 @@ ALDeviceList::ALDeviceList( const OPENALFNTABLE &oalft )
    defaultDeviceIndex = 0;
 
    // grab function pointers for 1.0-API functions, and if successful proceed to enumerate all devices
-   if (ALFunction.alcIsExtensionPresent(NULL, "ALC_ENUMERATION_EXT")) {
-      devices = (char *)ALFunction.alcGetString(NULL, ALC_DEVICE_SPECIFIER);
-      defaultDeviceName = (char *)ALFunction.alcGetString(NULL, ALC_DEFAULT_DEVICE_SPECIFIER);
+   const bool enumerationExtensionPresent = ALFunction.alcIsExtensionPresent(NULL, "ALC_ENUMERATION_EXT");
+   const bool enumerateAllExtensionPresent = ALFunction.alcIsExtensionPresent(NULL, "ALC_ENUMERATE_ALL_EXT");
+   if (enumerateAllExtensionPresent || enumerationExtensionPresent) {
+      if (enumerateAllExtensionPresent)
+      {
+          devices = (char *)ALFunction.alcGetString(NULL, ALC_ALL_DEVICES_SPECIFIER);
+          defaultDeviceName = (char *)ALFunction.alcGetString(NULL, ALC_DEFAULT_ALL_DEVICES_SPECIFIER);
+      }
+      else
+      {
+          devices = (char *)ALFunction.alcGetString(NULL, ALC_DEVICE_SPECIFIER);
+          defaultDeviceName = (char *)ALFunction.alcGetString(NULL, ALC_DEFAULT_DEVICE_SPECIFIER);
+      }
+
       index = 0;
       // go through device list (each device terminated with a single NULL, list terminated with double NULL)
       while (*devices != 0) {
@@ -70,7 +81,7 @@ ALDeviceList::ALDeviceList( const OPENALFNTABLE &oalft )
             if (context) {
                ALFunction.alcMakeContextCurrent(context);
                // if new actual device name isn't already in the list, then add it...
-               actualDeviceName = ALFunction.alcGetString(device, ALC_DEVICE_SPECIFIER);
+               actualDeviceName = devices;
                bool bNewName = true;
                for (int i = 0; i < GetNumDevices(); i++) {
                   if (String::compare(GetDeviceName(i), actualDeviceName) == 0) {
@@ -313,4 +324,4 @@ unsigned int ALDeviceList::GetMaxNumSources()
 	}
 
 	return iSourceCount;
-}
+}