Use AudioUtilities::kRenderQuantumFrames everywhere

third_party/WebKit/Source/modules/webaudio/MediaStreamAudioDestinationNode.cpp

 /*
  * Copyright (C) 2012, 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 29 matching lines @@
 // block here to avoid anything can cause the crash.
 static const unsigned long kMaxChannelCount = 8;
 
 MediaStreamAudioDestinationHandler::MediaStreamAudioDestinationHandler(
     AudioNode& node,
     size_t numberOfChannels)
     : AudioBasicInspectorHandler(NodeTypeMediaStreamAudioDestination,
                                  node,
                                  node.context()->sampleRate(),
                                  numberOfChannels),
-      m_mixBus(AudioBus::create(numberOfChannels, ProcessingSizeInFrames)) {
+      m_mixBus(AudioBus::create(numberOfChannels,
+                                AudioUtilities::kRenderQuantumFrames)) {
   m_source = MediaStreamSource::create(
       "WebAudio-" + createCanonicalUUIDString(), MediaStreamSource::TypeAudio,
       "MediaStreamAudioDestinationNode", false,
       MediaStreamSource::ReadyStateLive, true);
   MediaStreamSourceVector audioSources;
   audioSources.append(m_source.get());
   MediaStreamSourceVector videoSources;
   m_stream = MediaStream::create(
       node.context()->getExecutionContext(),
       MediaStreamDescriptor::create(audioSources, videoSources));
@@ skipping 23 matching lines @@
   // Synchronize with possible dynamic changes to the channel count.
   MutexTryLocker tryLocker(m_processLock);
 
   // If we can get the lock, we can process normally by updating the
   // mix bus to a new channel count, if needed.  If not, just use the
   // old mix bus to do the mixing; we'll update the bus next time
   // around.
   if (tryLocker.locked()) {
     unsigned count = channelCount();
     if (count != m_mixBus->numberOfChannels()) {
-      m_mixBus = AudioBus::create(count, ProcessingSizeInFrames);
+      m_mixBus = AudioBus::create(count, AudioUtilities::kRenderQuantumFrames);
       // setAudioFormat has an internal lock.  This can cause audio to
       // glitch.  This is outside of our control.
       m_source->setAudioFormat(count, context()->sampleRate());
     }
   }
 
   m_mixBus->copyFrom(*input(0).bus());
 
   // consumeAudio has an internal lock (also used by setAudioFormat).
   // This can cause audio to glitch.  This is outside of our control.
@@ skipping 51 matching lines @@
   }
 
   return new MediaStreamAudioDestinationNode(context, numberOfChannels);
 }
 
 MediaStream* MediaStreamAudioDestinationNode::stream() const {
   return static_cast<MediaStreamAudioDestinationHandler&>(handler()).stream();
 }
 
 }  // namespace blink