Initializes ALUT (JOAL) in the static initializer to avoid freezing everything

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@9895 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/src/jogl/com/jme3/audio/joal/JoalAudioRenderer.java

@@ -77,6 +77,10 @@ public class JoalAudioRenderer implements AudioRenderer, Runnable {
     
     private ALC alc;
     private AL al;
+    
+    static {
+        ALut.alutInit();
+    }
 
     public JoalAudioRenderer() {
     }
@@ -139,10 +143,9 @@ public class JoalAudioRenderer implements AudioRenderer, Runnable {
 
     public void initInThread() {
         try {
-            ALut.alutInit();
             alc = ALFactory.getALC();
             al = ALFactory.getAL();
-            
+
             // Get handle to default device.
             ALCdevice device = alc.alcOpenDevice(null);
             if (device == null) {
@@ -159,7 +162,7 @@ public class JoalAudioRenderer implements AudioRenderer, Runnable {
             logger.log(Level.FINER, "Audio Vendor: {0}", al.alGetString(ALConstants.AL_VENDOR));
             logger.log(Level.FINER, "Audio Renderer: {0}", al.alGetString(ALConstants.AL_RENDERER));
             logger.log(Level.FINER, "Audio Version: {0}", al.alGetString(ALConstants.AL_VERSION));
-            
+
             // Create audio context.
             ALCcontext context = alc.alcCreateContext(device, null);
             if (context == null) {
@@ -174,57 +177,57 @@ public class JoalAudioRenderer implements AudioRenderer, Runnable {
                 throw new ALException("Error making OpenAL context current");
             }
 
-        // Find maximum # of sources supported by this implementation
-        ArrayList<Integer> channelList = new ArrayList<Integer>();
-        IntBuffer channelsNioBuffer = Buffers.newDirectIntBuffer(MAX_NUM_CHANNELS);
-        al.alGenSources(MAX_NUM_CHANNELS, channelsNioBuffer);
-        for (int i = 0; i < MAX_NUM_CHANNELS; i++) {
-            int chan = channelsNioBuffer.get(i);
-            if (chan != 0) {
-                channelList.add(chan);
+            // Find maximum # of sources supported by this implementation
+            ArrayList<Integer> channelList = new ArrayList<Integer>();
+            IntBuffer channelsNioBuffer = Buffers.newDirectIntBuffer(MAX_NUM_CHANNELS);
+            al.alGenSources(MAX_NUM_CHANNELS, channelsNioBuffer);
+            for (int i = 0; i < MAX_NUM_CHANNELS; i++) {
+                int chan = channelsNioBuffer.get(i);
+                if (chan != 0) {
+                    channelList.add(chan);
+                }
             }
-        }
 
-        channels = new int[channelList.size()];
-        for (int i = 0; i < channels.length; i++) {
-            channels[i] = channelList.get(i);
-        }
-
-        ib = BufferUtils.createIntBuffer(channels.length);
-        chanSrcs = new AudioNode[channels.length];
-
-        logger.log(Level.INFO, "AudioRenderer supports {0} channels", channels.length);
-
-        supportEfx = alc.alcIsExtensionPresent(device, "ALC_EXT_EFX");
-        if (supportEfx) {
-            ib.position(0).limit(1);
-            alc.alcGetIntegerv(device, AL.ALC_EFX_MAJOR_VERSION, 1, ib);
-            int major = ib.get(0);
-            ib.position(0).limit(1);
-            alc.alcGetIntegerv(device, AL.ALC_EFX_MINOR_VERSION, 1, ib);
-            int minor = ib.get(0);
-            logger.log(Level.INFO, "Audio effect extension version: {0}.{1}", new Object[]{major, minor});
-
-            alc.alcGetIntegerv(device,  AL.ALC_MAX_AUXILIARY_SENDS, 1, ib);
-            auxSends = ib.get(0);
-            logger.log(Level.INFO, "Audio max auxilary sends: {0}", auxSends);
-
-            // create slot
-            ib.position(0).limit(1);
-            al.alGenAuxiliaryEffectSlots(1, ib);
-            reverbFxSlot = ib.get(0);
-
-            // create effect
-            ib.position(0).limit(1);
-            al.alGenEffects(1, ib);
-            reverbFx = ib.get(0);
-            al.alEffecti(reverbFx, AL.AL_EFFECT_TYPE, AL.AL_EFFECT_REVERB);
+            channels = new int[channelList.size()];
+            for (int i = 0; i < channels.length; i++) {
+                channels[i] = channelList.get(i);
+            }
 
-            // attach reverb effect to effect slot
-            al.alAuxiliaryEffectSloti(reverbFxSlot, AL.AL_EFFECTSLOT_EFFECT, reverbFx);
-        } else {
-            logger.log(Level.WARNING, "OpenAL EFX not available! Audio effects won't work.");
-        }
+            ib = BufferUtils.createIntBuffer(channels.length);
+            chanSrcs = new AudioNode[channels.length];
+
+            logger.log(Level.INFO, "AudioRenderer supports {0} channels", channels.length);
+
+            supportEfx = alc.alcIsExtensionPresent(device, "ALC_EXT_EFX");
+            if (supportEfx) {
+                ib.position(0).limit(1);
+                alc.alcGetIntegerv(device, AL.ALC_EFX_MAJOR_VERSION, 1, ib);
+                int major = ib.get(0);
+                ib.position(0).limit(1);
+                alc.alcGetIntegerv(device, AL.ALC_EFX_MINOR_VERSION, 1, ib);
+                int minor = ib.get(0);
+                logger.log(Level.INFO, "Audio effect extension version: {0}.{1}", new Object[]{major, minor});
+
+                alc.alcGetIntegerv(device, AL.ALC_MAX_AUXILIARY_SENDS, 1, ib);
+                auxSends = ib.get(0);
+                logger.log(Level.INFO, "Audio max auxilary sends: {0}", auxSends);
+
+                // create slot
+                ib.position(0).limit(1);
+                al.alGenAuxiliaryEffectSlots(1, ib);
+                reverbFxSlot = ib.get(0);
+
+                // create effect
+                ib.position(0).limit(1);
+                al.alGenEffects(1, ib);
+                reverbFx = ib.get(0);
+                al.alEffecti(reverbFx, AL.AL_EFFECT_TYPE, AL.AL_EFFECT_REVERB);
+
+                // attach reverb effect to effect slot
+                al.alAuxiliaryEffectSloti(reverbFxSlot, AL.AL_EFFECTSLOT_EFFECT, reverbFx);
+            } else {
+                logger.log(Level.WARNING, "OpenAL EFX not available! Audio effects won't work.");
+            }
         } catch (ALException ex) {
             logger.log(Level.SEVERE, "Failed to load audio library", ex);
             audioDisabled = true;