Allow disabling of resampling in decodeAudioData

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 39 matching lines @@
 class AnalyserNode;
 class AudioBuffer;
 class AudioBufferCallback;
 class AudioBufferSourceNode;
 class AudioListener;
 class AudioSummingJunction;
 class BiquadFilterNode;
 class ChannelMergerNode;
 class ChannelSplitterNode;
 class ConvolverNode;
+class DecodeAudioDataOptions;
 class DelayNode;
 class Dictionary;
 class Document;
 class DynamicsCompressorNode;
 class ExceptionState;
 class GainNode;
 class HTMLMediaElement;
 class IIRFilterNode;
 class MediaElementAudioSourceNode;
 class MediaStreamAudioDestinationNode;
@@ skipping 64 matching lines @@
     float sampleRate() const { return m_destinationNode ? m_destinationNode->handler().sampleRate() : 0; }
 
     String state() const;
     AudioContextState contextState() const { return m_contextState; }
     void throwExceptionForClosedState(ExceptionState&);
 
     AudioBuffer* createBuffer(unsigned numberOfChannels, size_t numberOfFrames, float sampleRate, ExceptionState&);
 
     // Asynchronous audio file data decoding.
     ScriptPromise decodeAudioData(ScriptState*, DOMArrayBuffer* audioData, AudioBufferCallback* successCallback, AudioBufferCallback* errorCallback, ExceptionState&);
+    ScriptPromise decodeAudioData(ScriptState*, DOMArrayBuffer* audioData, const DecodeAudioDataOptions&, ExceptionState&);
 
     // 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&);
@@ skipping 139 matching lines @@
 
     void setClosedContextSampleRate(float newSampleRate) { m_closedContextSampleRate = newSampleRate; }
     float closedContextSampleRate() const { return m_closedContextSampleRate; }
 
     void rejectPendingDecodeAudioDataResolvers();
 
 private:
     bool m_isCleared;
     void clear();
 
+    ScriptPromise decodeAudioData(
+        ScriptState*,
+        DOMArrayBuffer* audioData,
+        bool disableResampling,
+        AudioBufferCallback* successCallback,
+        AudioBufferCallback* errorCallback,
+        ExceptionState&);
+
     // When the context goes away, there might still be some sources which
     // haven't finished playing.  Make sure to release them here.
     void releaseActiveSourceNodes();
 
     void removeFinishedSourceNodes();
 
     // Listener for the PannerNodes
     Member<AudioListener> m_listener;
 
     // Only accessed in the audio thread.
@@ skipping 60 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