Implement ConstantSourceNode

third_party/WebKit/Source/modules/webaudio/BaseAudioContext.h

 /*
  * 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 38 matching lines @@
 
 class AnalyserNode;
 class AudioBuffer;
 class AudioBufferCallback;
 class AudioBufferSourceNode;
 class AudioListener;
 class AudioSummingJunction;
 class BiquadFilterNode;
 class ChannelMergerNode;
 class ChannelSplitterNode;
+class ConstantSourceNode;
 class ConvolverNode;
 class DelayNode;
 class Dictionary;
 class Document;
 class DynamicsCompressorNode;
 class ExceptionState;
 class GainNode;
 class HTMLMediaElement;
 class IIRFilterNode;
 class MediaElementAudioSourceNode;
@@ skipping 75 matching lines @@
 
     // Handles the promise and callbacks when |decodeAudioData| is finished decoding.
     void handleDecodeAudioData(AudioBuffer*, ScriptPromiseResolver*, AudioBufferCallback* successCallback, AudioBufferCallback* errorCallback);
 
     AudioListener* listener() { return m_listener; }
 
     virtual bool hasRealtimeConstraint() = 0;
 
     // The AudioNode create methods are called on the main thread (from JavaScript).
     AudioBufferSourceNode* createBufferSource(ExceptionState&);
+    ConstantSourceNode* createConstantSource(ExceptionState&);
     MediaElementAudioSourceNode* createMediaElementSource(HTMLMediaElement*, ExceptionState&);
     MediaStreamAudioSourceNode* createMediaStreamSource(MediaStream*, ExceptionState&);
     MediaStreamAudioDestinationNode* createMediaStreamDestination(ExceptionState&);
     GainNode* createGain(ExceptionState&);
     BiquadFilterNode* createBiquadFilter(ExceptionState&);
     WaveShaperNode* createWaveShaper(ExceptionState&);
     DelayNode* createDelay(ExceptionState&);
     DelayNode* createDelay(double maxDelayTime, ExceptionState&);
     PannerNode* createPanner(ExceptionState&);
     ConvolverNode* createConvolver(ExceptionState&);
@@ skipping 206 matching lines @@
     Member<PeriodicWave> m_periodicWaveTriangle;
 
     // This is considering 32 is large enough for multiple channels audio.
     // It is somewhat arbitrary and could be increased if necessary.
     enum { MaxNumberOfChannels = 32 };
 };
 
 } // namespace blink
 
 #endif // BaseAudioContext_h