Support multiple HRTFDatabases for different sample-rates

Source/modules/webaudio/PannerNode.cpp

 /*
  * Copyright (C) 2010, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1.  Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 126 matching lines @@
 {
     m_lastGain = -1.0; // force to snap to initial gain
     if (m_panner.get())
         m_panner->reset();
 }
 
 void PannerNode::initialize()
 {
     if (isInitialized())
         return;
-        
-    m_panner = Panner::create(m_panningModel, sampleRate());
+
+    m_panner = Panner::create(m_panningModel, sampleRate(), context()->hrtfDatabaseLoader());
 
     AudioNode::initialize();
 }
 
 void PannerNode::uninitialize()
 {
     if (!isInitialized())
         return;
         
     m_panner.clear();
@@ skipping 33 matching lines @@
 }
 
 bool PannerNode::setPanningModel(unsigned model)
 {
     switch (model) {
     case EQUALPOWER:
     case HRTF:
         if (!m_panner.get() || model != m_panningModel) {
             // This synchronizes with process().
             MutexLocker processLocker(m_pannerLock);
-            
-            OwnPtr<Panner> newPanner = Panner::create(model, sampleRate());
+
+            OwnPtr<Panner> newPanner = Panner::create(model, sampleRate(), context()->hrtfDatabaseLoader());
             m_panner = newPanner.release();
             m_panningModel = model;
         }
         break;
     case SOUNDFIELD:
         // FIXME: Implement sound field model. See // https://bugs.webkit.org/show_bug.cgi?id=77367.
         context()->scriptExecutionContext()->addConsoleMessage(JSMessageSource, WarningMessageLevel, "'soundfield' panning model not implemented.");
         break;
     default:
         return false;
@@ skipping 194 matching lines @@
                 AudioNode* connectedNode = connectedOutput->node();
                 notifyAudioSourcesConnectedToNode(connectedNode); // recurse
             }
         }
     }
 }
 
 } // namespace WebCore
 
 #endif // ENABLE(WEB_AUDIO)