blob: b65d23bd86408cab44bdc00d32e6700424770cfb [file] [log] [blame]
/*
* Copyright (C) 2011, 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.
*/
#pragma once
#if ENABLE(WEB_AUDIO)
#include "AudioBasicProcessorNode.h"
#include "OverSampleType.h"
#include "WaveShaperOptions.h"
#include "WaveShaperProcessor.h"
#include <wtf/Forward.h>
namespace WebCore {
class WaveShaperNode final : public AudioBasicProcessorNode {
WTF_MAKE_ISO_ALLOCATED(WaveShaperNode);
public:
static ExceptionOr<Ref<WaveShaperNode>> create(BaseAudioContext&, const WaveShaperOptions& = { });
// setCurve() is called on the main thread.
ExceptionOr<void> setCurveForBindings(RefPtr<Float32Array>&&);
Float32Array* curveForBindings();
void setOversampleForBindings(OverSampleType);
OverSampleType oversampleForBindings() const;
double latency() const { return latencyTime(); }
private:
explicit WaveShaperNode(BaseAudioContext&);
bool propagatesSilence() const final;
WaveShaperProcessor* waveShaperProcessor() { return static_cast<WaveShaperProcessor*>(processor()); }
const WaveShaperProcessor* waveShaperProcessor() const { return static_cast<const WaveShaperProcessor*>(processor()); }
};
String convertEnumerationToString(WebCore::OverSampleType); // in JSOverSampleType.cpp
} // namespace WebCore
namespace WTF {
template<> struct LogArgument<WebCore::OverSampleType> {
static String toString(WebCore::OverSampleType type) { return convertEnumerationToString(type); }
};
} // namespace WTF
#endif // ENABLE(WEB_AUDIO)