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46 lines
1.4 KiB
C++
46 lines
1.4 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/GainNodePrototype.h>
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#include <LibWeb/WebAudio/AudioNode.h>
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namespace Web::WebAudio {
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// https://webaudio.github.io/web-audio-api/#GainOptions
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struct GainOptions : AudioNodeOptions {
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float gain { 1.0 };
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};
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// https://webaudio.github.io/web-audio-api/#GainNode
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class GainNode : public AudioNode {
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WEB_PLATFORM_OBJECT(GainNode, AudioNode);
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JS_DECLARE_ALLOCATOR(GainNode);
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public:
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virtual ~GainNode() override;
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static WebIDL::ExceptionOr<JS::NonnullGCPtr<GainNode>> create(JS::Realm&, JS::NonnullGCPtr<BaseAudioContext>, GainOptions const& = {});
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static WebIDL::ExceptionOr<JS::NonnullGCPtr<GainNode>> construct_impl(JS::Realm&, JS::NonnullGCPtr<BaseAudioContext>, GainOptions const& = {});
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WebIDL::UnsignedLong number_of_inputs() override { return 1; }
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WebIDL::UnsignedLong number_of_outputs() override { return 1; }
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JS::NonnullGCPtr<AudioParam const> gain() const { return m_gain; }
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protected:
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GainNode(JS::Realm&, JS::NonnullGCPtr<BaseAudioContext>, GainOptions 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-gainnode-gain
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JS::NonnullGCPtr<AudioParam> m_gain;
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};
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}
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