Split "Online" and "Offline" AudioContext processing

Source/modules/webaudio/MediaElementAudioSourceNode.cpp

 /*
  * Copyright (C) 2011, 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 12 matching lines @@
  */
 
 #include "config.h"
 #if ENABLE(WEB_AUDIO)
 #include "modules/webaudio/MediaElementAudioSourceNode.h"
 
 #include "core/dom/CrossThreadTask.h"
 #include "core/frame/ConsoleTypes.h"
 #include "core/html/HTMLMediaElement.h"
 #include "core/inspector/ConsoleMessage.h"
-#include "modules/webaudio/AudioContext.h"
+#include "modules/webaudio/AbstractAudioContext.h"
 #include "modules/webaudio/AudioNodeOutput.h"
 #include "platform/Logging.h"
 #include "platform/audio/AudioUtilities.h"
 #include "platform/graphics/media/MediaPlayer.h"
 #include "platform/weborigin/SecurityOrigin.h"
 #include "wtf/Locker.h"
 #include "wtf/MainThread.h"
 
 namespace blink {
 
@@ skipping 26 matching lines @@
 
 void MediaElementAudioSourceHandler::dispose()
 {
     m_mediaElement->setAudioSourceNode(nullptr);
     AudioHandler::dispose();
 }
 
 void MediaElementAudioSourceHandler::setFormat(size_t numberOfChannels, float sourceSampleRate)
 {
     if (numberOfChannels != m_sourceNumberOfChannels || sourceSampleRate != m_sourceSampleRate) {
-        if (!numberOfChannels || numberOfChannels > AudioContext::maxNumberOfChannels() || !AudioUtilities::isValidAudioBufferSampleRate(sourceSampleRate)) {
+        if (!numberOfChannels || numberOfChannels > AbstractAudioContext::maxNumberOfChannels() || !AudioUtilities::isValidAudioBufferSampleRate(sourceSampleRate)) {
             // process() will generate silence for these uninitialized values.
             WTF_LOG(Media, "MediaElementAudioSourceNode::setFormat(%u, %f) - unhandled format change", static_cast<unsigned>(numberOfChannels), sourceSampleRate);
             m_sourceNumberOfChannels = 0;
             m_sourceSampleRate = 0;
             return;
         }
 
         m_sourceNumberOfChannels = numberOfChannels;
         m_sourceSampleRate = sourceSampleRate;
 
         // Synchronize with process().
         Locker<MediaElementAudioSourceHandler> locker(*this);
 
         if (sourceSampleRate != sampleRate()) {
             double scaleFactor = sourceSampleRate / sampleRate();
             m_multiChannelResampler = adoptPtr(new MultiChannelResampler(scaleFactor, numberOfChannels));
         } else {
             // Bypass resampling.
             m_multiChannelResampler.clear();
         }
 
         {
             // The context must be locked when changing the number of output channels.
-            AudioContext::AutoLocker contextLocker(context());
+            AbstractAudioContext::AutoLocker contextLocker(context());
 
             // Do any necesssary re-configuration to the output's number of channels.
             output(0).setNumberOfChannels(numberOfChannels);
         }
     }
 }
 
 bool MediaElementAudioSourceHandler::passesCORSAccessCheck()
 {
     ASSERT(mediaElement());
@@ skipping 89 matching lines @@
     m_processLock.lock();
 }
 
 void MediaElementAudioSourceHandler::unlock()
 {
     m_processLock.unlock();
 }
 
 // ----------------------------------------------------------------
 
-MediaElementAudioSourceNode::MediaElementAudioSourceNode(AudioContext& context, HTMLMediaElement& mediaElement)
+MediaElementAudioSourceNode::MediaElementAudioSourceNode(AbstractAudioContext& context, HTMLMediaElement& mediaElement)
     : AudioSourceNode(context)
 {
     setHandler(MediaElementAudioSourceHandler::create(*this, mediaElement));
 }
 
-MediaElementAudioSourceNode* MediaElementAudioSourceNode::create(AudioContext& context, HTMLMediaElement& mediaElement)
+MediaElementAudioSourceNode* MediaElementAudioSourceNode::create(AbstractAudioContext& context, HTMLMediaElement& mediaElement)
 {
     return new MediaElementAudioSourceNode(context, mediaElement);
 }
 
 DEFINE_TRACE(MediaElementAudioSourceNode)
 {
     AudioSourceProviderClient::trace(visitor);
     AudioSourceNode::trace(visitor);
 }
 
@@ skipping 23 matching lines @@
 }
 
 void MediaElementAudioSourceNode::unlock()
 {
     mediaElementAudioSourceHandler().unlock();
 }
 
 } // namespace blink
 
 #endif // ENABLE(WEB_AUDIO)