Support for AudioContextOptions latencyHint.

third_party/WebKit/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 220 matching lines @@
                                         framesToProcess,
                                         internalChannelInterpretation());
   destination->copyWithSampleAccurateGainValuesFrom(*destination, totalGain,
                                                     framesToProcess);
 }
 
 void PannerHandler::initialize() {
   if (isInitialized())
     return;
 
-  m_panner = Panner::create(m_panningModel, sampleRate(),
+  m_panner = Panner::create(m_panningModel, context()->sampleRate(),
                             listener()->hrtfDatabaseLoader());
   listener()->addPanner(*this);
 
   // Set the cached values to the current values to start things off.  The
   // panner is already marked as dirty, so this won't matter.
   m_lastPosition = position();
   m_lastOrientation = orientation();
 
   AudioHandler::initialize();
 }
@@ skipping 45 matching lines @@
     // Load the HRTF database asynchronously so we don't block the
     // Javascript thread while creating the HRTF database. It's ok to call
     // this multiple times; we won't be constantly loading the database over
     // and over.
     listener()->createAndLoadHRTFDatabaseLoader(context()->sampleRate());
   }
 
   if (!m_panner.get() || model != m_panningModel) {
     // This synchronizes with process().
     MutexLocker processLocker(m_processLock);
-    m_panner =
-        Panner::create(model, sampleRate(), listener()->hrtfDatabaseLoader());
+    m_panner = Panner::create(model, context()->sampleRate(),
+                              listener()->hrtfDatabaseLoader());
     m_panningModel = model;
   }
   return true;
 }
 
 String PannerHandler::distanceModel() const {
   switch (const_cast<PannerHandler*>(this)->m_distanceEffect.model()) {
     case DistanceEffect::ModelLinear:
       return "linear";
     case DistanceEffect::ModelInverse:
@@ skipping 456 matching lines @@
   visitor->trace(m_positionZ);
 
   visitor->trace(m_orientationX);
   visitor->trace(m_orientationY);
   visitor->trace(m_orientationZ);
 
   AudioNode::trace(visitor);
 }
 
 }  // namespace blink