Support for AudioContextOptions latencyHint.

third_party/WebKit/Source/modules/webaudio/ConvolverNode.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 140 matching lines @@
 AudioBuffer* ConvolverHandler::buffer() {
   DCHECK(isMainThread());
   return m_buffer.get();
 }
 
 double ConvolverHandler::tailTime() const {
   MutexTryLocker tryLocker(m_processLock);
   if (tryLocker.locked())
     return m_reverb
                ? m_reverb->impulseResponseLength() /
-                     static_cast<double>(sampleRate())
+                     static_cast<double>(context()->sampleRate())
                : 0;
   // Since we don't want to block the Audio Device thread, we return a large
   // value instead of trying to acquire the lock.
   return std::numeric_limits<double>::infinity();
 }
 
 double ConvolverHandler::latencyTime() const {
   MutexTryLocker tryLocker(m_processLock);
   if (tryLocker.locked())
     return m_reverb
-               ? m_reverb->latencyFrames() / static_cast<double>(sampleRate())
+               ? m_reverb->latencyFrames() /
+                     static_cast<double>(context()->sampleRate())
                : 0;
   // Since we don't want to block the Audio Device thread, we return a large
   // value instead of trying to acquire the lock.
   return std::numeric_limits<double>::infinity();
 }
 
 // ----------------------------------------------------------------
 
 ConvolverNode::ConvolverNode(BaseAudioContext& context) : AudioNode(context) {
   setHandler(ConvolverHandler::create(*this, context.sampleRate()));
@@ skipping 44 matching lines @@
 
 bool ConvolverNode::normalize() const {
   return convolverHandler().normalize();
 }
 
 void ConvolverNode::setNormalize(bool normalize) {
   convolverHandler().setNormalize(normalize);
 }
 
 }  // namespace blink