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25 #ifndef AnalyserNode_h
26 #define AnalyserNode_h
28 #include "core/dom/DOMTypedArray.h"
29 #include "modules/webaudio/AudioBasicInspectorNode.h"
30 #include "modules/webaudio/RealtimeAnalyser.h"
36 class AnalyserNode final : public AudioBasicInspectorNode {
37 DEFINE_WRAPPERTYPEINFO();
39 static AnalyserNode* create(AudioContext* context, float sampleRate)
41 return new AnalyserNode(context, sampleRate);
44 virtual ~AnalyserNode();
47 virtual void dispose() override;
48 virtual void process(size_t framesToProcess) override;
50 // Javascript bindings
51 unsigned fftSize() const { return m_analyser.fftSize(); }
52 void setFftSize(unsigned size, ExceptionState&);
54 unsigned frequencyBinCount() const { return m_analyser.frequencyBinCount(); }
56 void setMinDecibels(double k, ExceptionState&);
57 double minDecibels() const { return m_analyser.minDecibels(); }
59 void setMaxDecibels(double k, ExceptionState&);
60 double maxDecibels() const { return m_analyser.maxDecibels(); }
62 void setSmoothingTimeConstant(double k, ExceptionState&);
63 double smoothingTimeConstant() const { return m_analyser.smoothingTimeConstant(); }
65 void getFloatFrequencyData(DOMFloat32Array* array) { m_analyser.getFloatFrequencyData(array->view()); }
66 void getByteFrequencyData(DOMUint8Array* array) { m_analyser.getByteFrequencyData(array->view()); }
67 void getFloatTimeDomainData(DOMFloat32Array* array) { m_analyser.getFloatTimeDomainData(array->view()); }
68 void getByteTimeDomainData(DOMUint8Array* array) { m_analyser.getByteTimeDomainData(array->view()); }
70 virtual double tailTime() const override { return 0; }
71 virtual double latencyTime() const override { return 0; }
73 AnalyserNode(AudioContext*, float sampleRate);
75 RealtimeAnalyser m_analyser;
80 #endif // AnalyserNode_h