mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-06-03 00:42:54 +00:00
1fa7235fec
As with all other current audio nodes we still need to wire up the inputs and outputs so it can be properly used in an audio context - but this is enough to implement the public IDL interface.
48 lines
1.4 KiB
C++
48 lines
1.4 KiB
C++
/*
|
|
* Copyright (c) 2024, Shannon Booth <shannon@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <LibWeb/Bindings/Intrinsics.h>
|
|
#include <LibWeb/WebAudio/AudioParam.h>
|
|
#include <LibWeb/WebAudio/BaseAudioContext.h>
|
|
#include <LibWeb/WebAudio/GainNode.h>
|
|
|
|
namespace Web::WebAudio {
|
|
|
|
JS_DEFINE_ALLOCATOR(GainNode);
|
|
|
|
GainNode::~GainNode() = default;
|
|
|
|
JS::NonnullGCPtr<GainNode> GainNode::create(JS::Realm& realm, JS::NonnullGCPtr<BaseAudioContext> context, GainOptions const& options)
|
|
{
|
|
return construct_impl(realm, context, options);
|
|
}
|
|
|
|
// https://webaudio.github.io/web-audio-api/#dom-gainnode-gainnode
|
|
JS::NonnullGCPtr<GainNode> GainNode::construct_impl(JS::Realm& realm, JS::NonnullGCPtr<BaseAudioContext> context, GainOptions const& options)
|
|
{
|
|
// FIXME: Invoke "Initialize the AudioNode" steps.
|
|
return realm.vm().heap().allocate<GainNode>(realm, realm, context, options);
|
|
}
|
|
|
|
GainNode::GainNode(JS::Realm& realm, JS::NonnullGCPtr<BaseAudioContext> context, GainOptions const& options)
|
|
: AudioNode(realm, context)
|
|
, m_gain(AudioParam::create(realm, options.gain, NumericLimits<float>::lowest(), NumericLimits<float>::max(), Bindings::AutomationRate::ARate))
|
|
{
|
|
}
|
|
|
|
void GainNode::initialize(JS::Realm& realm)
|
|
{
|
|
Base::initialize(realm);
|
|
WEB_SET_PROTOTYPE_FOR_INTERFACE(GainNode);
|
|
}
|
|
|
|
void GainNode::visit_edges(Cell::Visitor& visitor)
|
|
{
|
|
Base::visit_edges(visitor);
|
|
visitor.visit(m_gain);
|
|
}
|
|
|
|
}
|