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LibWeb/WebAudio: Add DelayNode interface

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Tim Ledbetter 2025-01-03 23:42:22 +00:00 • committed by Tim Ledbetter
commit 6c4c925f02
Notes: github-actions[bot] 2025-01-08 15:33:08 +00:00
8 changed files with 262 additions and 0 deletions
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Libraries/LibWeb/WebAudio/DelayNode.h Normal file
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/*
* Copyright (c) 2025, Tim Ledbetter <tim.ledbetter@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/WebAudio/AudioNode.h>
namespace Web::WebAudio {
// https://webaudio.github.io/web-audio-api/#DelayOptions
struct DelayOptions : AudioNodeOptions {
double max_delay_time { 1 };
double delay_time { 0 };
};
// https://webaudio.github.io/web-audio-api/#DelayNode
class DelayNode final : public AudioNode {
WEB_PLATFORM_OBJECT(DelayNode, AudioNode);
GC_DECLARE_ALLOCATOR(DelayNode);
public:
virtual ~DelayNode() override;
static WebIDL::ExceptionOr<GC::Ref<DelayNode>> create(JS::Realm&, GC::Ref<BaseAudioContext>, DelayOptions const& = {});
static WebIDL::ExceptionOr<GC::Ref<DelayNode>> construct_impl(JS::Realm&, GC::Ref<BaseAudioContext>, DelayOptions const& = {});
virtual WebIDL::UnsignedLong number_of_inputs() override { return 1; }
virtual WebIDL::UnsignedLong number_of_outputs() override { return 1; }
GC::Ref<AudioParam const> delay_time() const { return m_delay_time; }
private:
DelayNode(JS::Realm&, GC::Ref<BaseAudioContext>, DelayOptions const&);
virtual void initialize(JS::Realm&) override;
virtual void visit_edges(Cell::Visitor&) override;
// https://webaudio.github.io/web-audio-api/#dom-delaynode-delaytime
GC::Ref<AudioParam> m_delay_time;
};
}