Split "Online" and "Offline" AudioContext processing

Source/modules/webaudio/MediaStreamAudioSourceNode.cpp

 /*
  * Copyright (C) 2012, Google Inc. All rights reserved.
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  * modification, are permitted provided that the following conditions
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  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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 #include "config.h"
 #if ENABLE(WEB_AUDIO)
 #include "modules/webaudio/MediaStreamAudioSourceNode.h"
 
-#include "modules/webaudio/AudioContext.h"
+#include "modules/webaudio/AbstractAudioContext.h"
 #include "modules/webaudio/AudioNodeOutput.h"
 #include "platform/Logging.h"
 #include "wtf/Locker.h"
 
 namespace blink {
 
 MediaStreamAudioSourceHandler::MediaStreamAudioSourceHandler(AudioNode& node, MediaStream& mediaStream, MediaStreamTrack* audioTrack, PassOwnPtr<AudioSourceProvider> audioSourceProvider)
     : AudioHandler(NodeTypeMediaStreamAudioSource, node, node.context()->sampleRate())
     , m_mediaStream(mediaStream)
     , m_audioTrack(audioTrack)
@@ skipping 14 matching lines @@
 
 MediaStreamAudioSourceHandler::~MediaStreamAudioSourceHandler()
 {
     uninitialize();
 }
 
 void MediaStreamAudioSourceHandler::setFormat(size_t numberOfChannels, float sourceSampleRate)
 {
     if (numberOfChannels != m_sourceNumberOfChannels || sourceSampleRate != sampleRate()) {
         // The sample-rate must be equal to the context's sample-rate.
-        if (!numberOfChannels || numberOfChannels > AudioContext::maxNumberOfChannels() || sourceSampleRate != sampleRate()) {
+        if (!numberOfChannels || numberOfChannels > AbstractAudioContext::maxNumberOfChannels() || sourceSampleRate != sampleRate()) {
             // process() will generate silence for these uninitialized values.
             WTF_LOG(Media, "MediaStreamAudioSourceNode::setFormat(%u, %f) - unhandled format change", static_cast<unsigned>(numberOfChannels), sourceSampleRate);
             m_sourceNumberOfChannels = 0;
             return;
         }
 
         // Synchronize with process().
         MutexLocker locker(m_processLock);
 
         m_sourceNumberOfChannels = numberOfChannels;
 
         {
             // 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);
         }
     }
 }
 
 void MediaStreamAudioSourceHandler::process(size_t numberOfFrames)
 {
     AudioBus* outputBus = output(0).bus();
@@ skipping 15 matching lines @@
     if (tryLocker.locked()) {
         audioSourceProvider()->provideInput(outputBus, numberOfFrames);
     } else {
         // We failed to acquire the lock.
         outputBus->zero();
     }
 }
 
 // ----------------------------------------------------------------
 
-MediaStreamAudioSourceNode::MediaStreamAudioSourceNode(AudioContext& context, MediaStream& mediaStream, MediaStreamTrack* audioTrack, PassOwnPtr<AudioSourceProvider> audioSourceProvider)
+MediaStreamAudioSourceNode::MediaStreamAudioSourceNode(AbstractAudioContext& context, MediaStream& mediaStream, MediaStreamTrack* audioTrack, PassOwnPtr<AudioSourceProvider> audioSourceProvider)
     : AudioSourceNode(context)
 {
     setHandler(MediaStreamAudioSourceHandler::create(*this, mediaStream, audioTrack, audioSourceProvider));
 }
 
-MediaStreamAudioSourceNode* MediaStreamAudioSourceNode::create(AudioContext& context, MediaStream& mediaStream, MediaStreamTrack* audioTrack, PassOwnPtr<AudioSourceProvider> audioSourceProvider)
+MediaStreamAudioSourceNode* MediaStreamAudioSourceNode::create(AbstractAudioContext& context, MediaStream& mediaStream, MediaStreamTrack* audioTrack, PassOwnPtr<AudioSourceProvider> audioSourceProvider)
 {
     return new MediaStreamAudioSourceNode(context, mediaStream, audioTrack, audioSourceProvider);
 }
 
 DEFINE_TRACE(MediaStreamAudioSourceNode)
 {
     AudioSourceProviderClient::trace(visitor);
     AudioSourceNode::trace(visitor);
 }
 
 MediaStreamAudioSourceHandler& MediaStreamAudioSourceNode::mediaStreamAudioSourceHandler() const
 {
     return static_cast<MediaStreamAudioSourceHandler&>(handler());
 }
 
 MediaStream* MediaStreamAudioSourceNode::mediaStream() const
 {
     return mediaStreamAudioSourceHandler().mediaStream();
 }
 
 void MediaStreamAudioSourceNode::setFormat(size_t numberOfChannels, float sourceSampleRate)
 {
     mediaStreamAudioSourceHandler().setFormat(numberOfChannels, sourceSampleRate);
 }
 
 } // namespace blink
 
 #endif // ENABLE(WEB_AUDIO)