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63 lines
2.1 KiB
C++
63 lines
2.1 KiB
C++
/*
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* Copyright (c) 2024, Shannon Booth <shannon@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibWeb/Bindings/OscillatorNodePrototype.h>
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#include <LibWeb/WebAudio/AudioScheduledSourceNode.h>
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namespace Web::WebAudio {
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// https://webaudio.github.io/web-audio-api/#OscillatorOptions
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struct OscillatorOptions : AudioNodeOptions {
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Bindings::OscillatorType type { Bindings::OscillatorType::Sine };
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float frequency { 440 };
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float detune { 0 };
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GC::Ptr<PeriodicWave> periodic_wave;
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};
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// https://webaudio.github.io/web-audio-api/#OscillatorNode
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class OscillatorNode : public AudioScheduledSourceNode {
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WEB_PLATFORM_OBJECT(OscillatorNode, AudioScheduledSourceNode);
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GC_DECLARE_ALLOCATOR(OscillatorNode);
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public:
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virtual ~OscillatorNode() override;
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static WebIDL::ExceptionOr<GC::Ref<OscillatorNode>> create(JS::Realm&, GC::Ref<BaseAudioContext>, OscillatorOptions const& = {});
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static WebIDL::ExceptionOr<GC::Ref<OscillatorNode>> construct_impl(JS::Realm&, GC::Ref<BaseAudioContext>, OscillatorOptions const& = {});
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Bindings::OscillatorType type() const;
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WebIDL::ExceptionOr<void> set_type(Bindings::OscillatorType);
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void set_periodic_wave(GC::Ptr<PeriodicWave>);
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GC::Ref<AudioParam const> frequency() const { return m_frequency; }
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GC::Ref<AudioParam const> detune() const { return m_detune; }
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WebIDL::UnsignedLong number_of_inputs() override { return 0; }
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WebIDL::UnsignedLong number_of_outputs() override { return 1; }
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protected:
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OscillatorNode(JS::Realm&, GC::Ref<BaseAudioContext>, OscillatorOptions const& = {});
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virtual void initialize(JS::Realm&) override;
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virtual void visit_edges(Cell::Visitor&) override;
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private:
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// https://webaudio.github.io/web-audio-api/#dom-oscillatornode-type
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Bindings::OscillatorType m_type { Bindings::OscillatorType::Sine };
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// https://webaudio.github.io/web-audio-api/#dom-oscillatornode-frequency
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GC::Ref<AudioParam> m_frequency;
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// https://webaudio.github.io/web-audio-api/#dom-oscillatornode-detune
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GC::Ref<AudioParam> m_detune;
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GC::Ptr<PeriodicWave> m_periodic_wave;
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};
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}
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