Implement tail processing for AudioNodes

third_party/WebKit/Source/modules/webaudio/ConvolverNode.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 46 matching lines @@
 
   bool Normalize() const { return normalize_; }
   void SetNormalize(bool normalize) { normalize_ = normalize; }
   void SetChannelCount(unsigned long, ExceptionState&) final;
   void SetChannelCountMode(const String&, ExceptionState&) final;
 
  private:
   ConvolverHandler(AudioNode&, float sample_rate);
   double TailTime() const override;
   double LatencyTime() const override;
+  bool RequiresTailProcessing() const override;
 
   // Determine how many output channels to use from the number of
   // input channels and the number of channels in the impulse response
   // buffer.
   unsigned ComputeNumberOfOutputChannels(unsigned input_channels,
                                          unsigned response_channels) const;
 
   std::unique_ptr<Reverb> reverb_;
   // This Persistent doesn't make a reference cycle including the owner
   // ConvolverNode.
@@ skipping 27 matching lines @@
  private:
   ConvolverNode(BaseAudioContext&);
   ConvolverHandler& GetConvolverHandler() const;
 
   FRIEND_TEST_ALL_PREFIXES(ConvolverNodeTest, ReverbLifetime);
 };
 
 }  // namespace blink
 
 #endif  // ConvolverNode_h