text: /*
   * 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
   *    documentation and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
   * 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
   * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
   * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #ifndef DelayProcessor_h
  #define DelayProcessor_h
  
  #include "modules/webaudio/AudioParam.h"
  #include "platform/audio/AudioDSPKernelProcessor.h"
  #include "wtf/RefPtr.h"
  #include <memory>
  
  namespace blink {
  
  class AudioDSPKernel;
  
  class DelayProcessor final : public AudioDSPKernelProcessor {
  public:
      DelayProcessor(float sampleRate, unsigned numberOfChannels, AudioParamHandler& delayTime, double maxDelayTime);
      ~DelayProcessor() override;
  
      std::unique_ptr<AudioDSPKernel> createKernel() override;
  
      AudioParamHandler& delayTime() const { return *m_delayTime; }
      double maxDelayTime() { return m_maxDelayTime; }
  
  private:
      RefPtr<AudioParamHandler> m_delayTime;
      double m_maxDelayTime;
  };
  
  } // namespace blink
  
  #endif // DelayProcessor_h
  