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/*
* 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 AnalyserNode_h
#define AnalyserNode_h
#include "core/dom/DOMTypedArray.h"
#include "modules/webaudio/AudioBasicInspectorNode.h"
#include "modules/webaudio/RealtimeAnalyser.h"
namespace blink {
class AbstractAudioContext;
class ExceptionState;
class AnalyserHandler final : public AudioBasicInspectorHandler {
public:
static PassRefPtr<AnalyserHandler> create(AudioNode&, float sampleRate);
~AnalyserHandler() override;
// AudioHandler
void process(size_t framesToProcess) override;
unsigned fftSize() const { return m_analyser.fftSize(); }
void setFftSize(unsigned size, ExceptionState&);
unsigned frequencyBinCount() const { return m_analyser.frequencyBinCount(); }
void setMinDecibels(double k, ExceptionState&);
double minDecibels() const { return m_analyser.minDecibels(); }
void setMaxDecibels(double k, ExceptionState&);
double maxDecibels() const { return m_analyser.maxDecibels(); }
void setSmoothingTimeConstant(double k, ExceptionState&);
double smoothingTimeConstant() const { return m_analyser.smoothingTimeConstant(); }
void getFloatFrequencyData(DOMFloat32Array* array, double currentTime)
{
m_analyser.getFloatFrequencyData(array, currentTime);
}
void getByteFrequencyData(DOMUint8Array* array, double currentTime)
{
m_analyser.getByteFrequencyData(array, currentTime);
}
void getFloatTimeDomainData(DOMFloat32Array* array) { m_analyser.getFloatTimeDomainData(array); }
void getByteTimeDomainData(DOMUint8Array* array) { m_analyser.getByteTimeDomainData(array); }
private:
AnalyserHandler(AudioNode&, float sampleRate);
RealtimeAnalyser m_analyser;
};
class AnalyserNode final : public AudioBasicInspectorNode {
DEFINE_WRAPPERTYPEINFO();
public:
static AnalyserNode* create(AbstractAudioContext&, float sampleRate);
unsigned fftSize() const;
void setFftSize(unsigned size, ExceptionState&);
unsigned frequencyBinCount() const;
void setMinDecibels(double, ExceptionState&);
double minDecibels() const;
void setMaxDecibels(double, ExceptionState&);
double maxDecibels() const;
void setSmoothingTimeConstant(double, ExceptionState&);
double smoothingTimeConstant() const;
void getFloatFrequencyData(DOMFloat32Array*);
void getByteFrequencyData(DOMUint8Array*);
void getFloatTimeDomainData(DOMFloat32Array*);
void getByteTimeDomainData(DOMUint8Array*);
private:
AnalyserNode(AbstractAudioContext&, float sampleRate);
AnalyserHandler& analyserHandler() const;
};
} // namespace blink
#endif // AnalyserNode_h
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