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3ccbc83168
For now, this slot is always 0 - (the default value per spec). But once we start actually processing audio streams this internal slot should be changed correspondingly.
66 lines
2.5 KiB
C++
66 lines
2.5 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/WebAudio/AudioNode.h>
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namespace Web::WebAudio {
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// https://webaudio.github.io/web-audio-api/#DynamicsCompressorOptions
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struct DynamicsCompressorOptions : AudioNodeOptions {
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float attack { 0.003 };
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float knee { 30 };
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float ratio { 12 };
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float release { 0.25 };
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float threshold { -24 };
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};
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// https://webaudio.github.io/web-audio-api/#DynamicsCompressorNode
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class DynamicsCompressorNode : public AudioNode {
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WEB_PLATFORM_OBJECT(DynamicsCompressorNode, AudioNode);
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JS_DECLARE_ALLOCATOR(DynamicsCompressorNode);
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public:
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virtual ~DynamicsCompressorNode() override;
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static WebIDL::ExceptionOr<JS::NonnullGCPtr<DynamicsCompressorNode>> create(JS::Realm&, JS::NonnullGCPtr<BaseAudioContext>, DynamicsCompressorOptions const& = {});
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static WebIDL::ExceptionOr<JS::NonnullGCPtr<DynamicsCompressorNode>> construct_impl(JS::Realm&, JS::NonnullGCPtr<BaseAudioContext>, DynamicsCompressorOptions const& = {});
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JS::NonnullGCPtr<AudioParam const> threshold() const { return m_threshold; }
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JS::NonnullGCPtr<AudioParam const> knee() const { return m_knee; }
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JS::NonnullGCPtr<AudioParam const> ratio() const { return m_ratio; }
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JS::NonnullGCPtr<AudioParam const> attack() const { return m_attack; }
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JS::NonnullGCPtr<AudioParam const> release() const { return m_release; }
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float reduction() const { return m_reduction; }
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protected:
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DynamicsCompressorNode(JS::Realm&, JS::NonnullGCPtr<BaseAudioContext>, DynamicsCompressorOptions 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-dynamicscompressornode-threshold
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JS::NonnullGCPtr<AudioParam> m_threshold;
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// https://webaudio.github.io/web-audio-api/#dom-dynamicscompressornode-knee
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JS::NonnullGCPtr<AudioParam> m_knee;
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// https://webaudio.github.io/web-audio-api/#dom-dynamicscompressornode-ratio
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JS::NonnullGCPtr<AudioParam> m_ratio;
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// https://webaudio.github.io/web-audio-api/#dom-dynamicscompressornode-attack
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JS::NonnullGCPtr<AudioParam> m_attack;
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// https://webaudio.github.io/web-audio-api/#dom-dynamicscompressornode-release
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JS::NonnullGCPtr<AudioParam> m_release;
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// https://webaudio.github.io/web-audio-api/#dom-dynamicscompressornode-internal-reduction-slot
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float m_reduction { 0 }; // [[internal reduction]]
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};
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}
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