third_party/WebKit/Source/modules/webaudio/DelayProcessor.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
 *    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.
 */

#include "modules/webaudio/DelayDSPKernel.h"
#include "modules/webaudio/DelayProcessor.h"
#include "wtf/PtrUtil.h"
#include <memory>

namespace blink {

DelayProcessor::DelayProcessor(float sampleRate,
                               unsigned numberOfChannels,
                               AudioParamHandler& delayTime,
                               double maxDelayTime)
    : AudioDSPKernelProcessor(sampleRate, numberOfChannels),
      m_delayTime(delayTime),
      m_maxDelayTime(maxDelayTime) {}

DelayProcessor::~DelayProcessor() {
  if (isInitialized())
    uninitialize();
}

std::unique_ptr<AudioDSPKernel> DelayProcessor::createKernel() {
  return wrapUnique(new DelayDSPKernel(this));
}

}  // namespace blink