Add constructors for WebAudio nodes

third_party/WebKit/Source/modules/webaudio/ChannelSplitterNode.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 11 matching lines @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "modules/webaudio/ChannelSplitterNode.h"
 #include "bindings/core/v8/ExceptionMessages.h"
 #include "bindings/core/v8/ExceptionState.h"
 #include "core/dom/ExceptionCode.h"
 #include "modules/webaudio/AudioNodeInput.h"
 #include "modules/webaudio/AudioNodeOutput.h"
 #include "modules/webaudio/BaseAudioContext.h"
+#include "modules/webaudio/ChannelSplitterOptions.h"
 
 namespace blink {
 
 ChannelSplitterHandler::ChannelSplitterHandler(AudioNode& node, float sampleRate, unsigned numberOfOutputs)
     : AudioHandler(NodeTypeChannelSplitter, node, sampleRate)
 {
     addInput();
 
     // Create a fixed number of outputs (able to handle the maximum number of channels fed to an input).
     for (unsigned i = 0; i < numberOfOutputs; ++i)
@@ skipping 64 matching lines @@
                 1,
                 ExceptionMessages::InclusiveBound,
                 BaseAudioContext::maxNumberOfChannels(),
                 ExceptionMessages::InclusiveBound));
         return nullptr;
     }
 
     return new ChannelSplitterNode(context, numberOfOutputs);
 }
 
+ChannelSplitterNode* ChannelSplitterNode::create(BaseAudioContext* context, const ChannelSplitterOptions& options, ExceptionState& exceptionState)
+{
+    ChannelSplitterNode* node = create(*context, options.numberOfOutputs(), exceptionState);
+
+    if (!node)
+        return nullptr;
+
+    node->handleChannelOptions(options, exceptionState);
+
+    return node;
+}
+
 } // namespace blink