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5c57acf140
An exception is now thown if an `AudioNode` attempts to connect to an `AudioParam` from a different `BaseAudioContext`.
64 lines
2.3 KiB
C++
64 lines
2.3 KiB
C++
/*
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* Copyright (c) 2025, Tim Ledbetter <tim.ledbetter@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibWeb/Bindings/DelayNodePrototype.h>
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#include <LibWeb/Bindings/Intrinsics.h>
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#include <LibWeb/WebAudio/BaseAudioContext.h>
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#include <LibWeb/WebAudio/DelayNode.h>
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namespace Web::WebAudio {
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GC_DEFINE_ALLOCATOR(DelayNode);
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DelayNode::DelayNode(JS::Realm& realm, GC::Ref<BaseAudioContext> context, DelayOptions const& options)
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: AudioNode(realm, context)
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, m_delay_time(AudioParam::create(realm, context, options.delay_time, 0, options.max_delay_time, Bindings::AutomationRate::ARate))
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{
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}
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DelayNode::~DelayNode() = default;
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WebIDL::ExceptionOr<GC::Ref<DelayNode>> DelayNode::create(JS::Realm& realm, GC::Ref<BaseAudioContext> context, DelayOptions const& options)
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{
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return construct_impl(realm, context, options);
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}
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WebIDL::ExceptionOr<GC::Ref<DelayNode>> DelayNode::construct_impl(JS::Realm& realm, GC::Ref<BaseAudioContext> context, DelayOptions const& options)
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{
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// https://webaudio.github.io/web-audio-api/#dom-delayoptions-maxdelaytime
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// If specified, this value MUST be greater than zero and less than three minutes or a NotSupportedError exception MUST be thrown.
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static constexpr double maximum_delay_time_seconds = 180;
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if (options.max_delay_time <= 0 || options.max_delay_time >= maximum_delay_time_seconds || isnan(options.max_delay_time))
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return WebIDL::NotSupportedError::create(realm, "Max delay time must be between 0 and 180 seconds exclusive"_string);
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auto node = realm.create<DelayNode>(realm, context, options);
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// Default options for channel count and interpretation
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// https://webaudio.github.io/web-audio-api/#DelayNode
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AudioNodeDefaultOptions default_options;
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default_options.channel_count = 2;
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default_options.channel_count_mode = Bindings::ChannelCountMode::Max;
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default_options.channel_interpretation = Bindings::ChannelInterpretation::Speakers;
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// FIXME: Set tail-time to yes
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TRY(node->initialize_audio_node_options(options, default_options));
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return node;
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}
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void DelayNode::initialize(JS::Realm& realm)
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{
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Base::initialize(realm);
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WEB_SET_PROTOTYPE_FOR_INTERFACE(DelayNode);
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}
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void DelayNode::visit_edges(Cell::Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_delay_time);
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}
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}
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