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WebAudio: Stub AudioBufferSourceNode

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bbb651 2024-07-21 15:24:25 +03:00 committed by Andreas Kling
parent 92f6336fe8
commit 6672fb4b47
Notes: github-actions[bot] 2024-07-23 07:26:05 +00:00 
Author: https://github.com/bbb651 🔰
Commit: https://github.com/LadybirdBrowser/ladybird/commit/6672fb4b47e
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/750
12 changed files with 136 additions and 2 deletions
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3
Meta/Lagom/Tools/CodeGenerators/LibWeb/BindingsGenerator/IDLGenerators.cpp
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@ -34,6 +34,7 @@ static bool is_platform_object(Type const& type)
"AnimationEffect"sv,
"AnimationTimeline"sv,
"Attr"sv,
"AudioBuffer"sv,
"AudioNode"sv,
"AudioParam"sv,
"AudioScheduledSourceNode"sv,
@ -2523,7 +2524,7 @@ JS::ThrowCompletionOr<JS::NonnullGCPtr<JS::Object>> @constructor_class@::constru
auto prototype = TRY(new_target.get(vm.names.prototype));
// 3.3. If Type(prototype) is not Object, then:
if (!prototype.is_object()) {
if (!prototype.is_object()) {
// 1. Let targetRealm be ? GetFunctionRealm(newTarget).
auto* target_realm = TRY(JS::get_function_realm(vm, new_target));

2
Meta/gn/secondary/Userland/Libraries/LibWeb/WebAudio/BUILD.gn
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@ -6,6 +6,8 @@ source_set("WebAudio") {
sources = [
"AudioBuffer.cpp",
"AudioBuffer.h",
"AudioBufferSourceNode.cpp",
"AudioBufferSourceNode.h",
"AudioContext.cpp",
"AudioContext.h",
"AudioNode.cpp",

1
Meta/gn/secondary/Userland/Libraries/LibWeb/idl_files.gni
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@ -319,6 +319,7 @@ standard_idl_files = [
"//Userland/Libraries/LibWeb/WebAssembly/Module.idl",
"//Userland/Libraries/LibWeb/WebAssembly/Table.idl",
"//Userland/Libraries/LibWeb/WebAudio/AudioBuffer.idl",
"//Userland/Libraries/LibWeb/WebAudio/AudioBufferSourceNode.idl",
"//Userland/Libraries/LibWeb/WebAudio/AudioContext.idl",
"//Userland/Libraries/LibWeb/WebAudio/AudioNode.idl",
"//Userland/Libraries/LibWeb/WebAudio/AudioParam.idl",

1
Userland/Libraries/LibWeb/CMakeLists.txt
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@ -682,6 +682,7 @@ set(SOURCES
WebAssembly/Table.cpp
WebAssembly/WebAssembly.cpp
WebAudio/AudioBuffer.cpp
WebAudio/AudioBufferSourceNode.cpp
WebAudio/AudioContext.cpp
WebAudio/AudioNode.cpp
WebAudio/AudioParam.cpp

1
Userland/Libraries/LibWeb/Forward.h
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@ -711,6 +711,7 @@ class Table;
namespace Web::WebAudio {
class AudioBuffer;
class AudioBufferSourceNode;
class AudioContext;
class AudioNode;
class AudioParam;

49
Userland/Libraries/LibWeb/WebAudio/AudioBufferSourceNode.cpp Normal file
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@ -0,0 +1,49 @@
/*
* Copyright (c) 2024, Bar Yemini <bar.ye651@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/Bindings/AudioScheduledSourceNodePrototype.h>
#include <LibWeb/Bindings/Intrinsics.h>
#include <LibWeb/WebAudio/AudioBufferSourceNode.h>
#include <LibWeb/WebAudio/AudioScheduledSourceNode.h>
namespace Web::WebAudio {
JS_DEFINE_ALLOCATOR(AudioBufferSourceNode);
AudioBufferSourceNode::AudioBufferSourceNode(JS::Realm& realm, JS::NonnullGCPtr<BaseAudioContext> context, AudioBufferSourceOptions const&)
: AudioScheduledSourceNode(realm, context)
{
}
AudioBufferSourceNode::~AudioBufferSourceNode() = default;
WebIDL::ExceptionOr<JS::NonnullGCPtr<AudioBufferSourceNode>> AudioBufferSourceNode::create(JS::Realm& realm, JS::NonnullGCPtr<BaseAudioContext> context, AudioBufferSourceOptions const& options)
{
return construct_impl(realm, context, options);
}
// https://webaudio.github.io/web-audio-api/#dom-audiobuffersourcenode-audiobuffersourcenode
WebIDL::ExceptionOr<JS::NonnullGCPtr<AudioBufferSourceNode>> AudioBufferSourceNode::construct_impl(JS::Realm& realm, JS::NonnullGCPtr<BaseAudioContext> context, AudioBufferSourceOptions const& options)
{
// When the constructor is called with a BaseAudioContext c and an option object option, the user agent
// MUST initialize the AudioNode this, with context and options as arguments.
auto node = realm.vm().heap().allocate<AudioBufferSourceNode>(realm, realm, context, options);
return node;
}
void AudioBufferSourceNode::initialize(JS::Realm& realm)
{
Base::initialize(realm);
WEB_SET_PROTOTYPE_FOR_INTERFACE(AudioBufferSourceNode);
}
void AudioBufferSourceNode::visit_edges(Cell::Visitor& visitor)
{
Base::visit_edges(visitor);
}
}

42
Userland/Libraries/LibWeb/WebAudio/AudioBufferSourceNode.h Normal file
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@ -0,0 +1,42 @@
/*
* Copyright (c) 2024, Bar Yemini <bar.ye651@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/Bindings/AudioBufferSourceNodePrototype.h>
#include <LibWeb/WebAudio/AudioScheduledSourceNode.h>
namespace Web::WebAudio {
// https://webaudio.github.io/web-audio-api/#AudioBufferSourceOptions
struct AudioBufferSourceOptions {
JS::GCPtr<AudioBuffer> buffer;
float detune { 0 };
bool loop { false };
double loop_end { 0 };
double loop_start { 0 };
float playback_rate { 1 };
};
// https://webaudio.github.io/web-audio-api/#AudioBufferSourceNode
class AudioBufferSourceNode : public AudioScheduledSourceNode {
WEB_PLATFORM_OBJECT(AudioBufferSourceNode, AudioScheduledSourceNode);
JS_DECLARE_ALLOCATOR(AudioBufferSourceNode);
public:
virtual ~AudioBufferSourceNode() override;
static WebIDL::ExceptionOr<JS::NonnullGCPtr<AudioBufferSourceNode>> create(JS::Realm&, JS::NonnullGCPtr<BaseAudioContext>, AudioBufferSourceOptions const& = {});
static WebIDL::ExceptionOr<JS::NonnullGCPtr<AudioBufferSourceNode>> construct_impl(JS::Realm&, JS::NonnullGCPtr<BaseAudioContext>, AudioBufferSourceOptions const& = {});
protected:
AudioBufferSourceNode(JS::Realm&, JS::NonnullGCPtr<BaseAudioContext>, AudioBufferSourceOptions const& = {});
virtual void initialize(JS::Realm&) override;
virtual void visit_edges(Cell::Visitor&) override;
};
}

26
Userland/Libraries/LibWeb/WebAudio/AudioBufferSourceNode.idl Normal file
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@ -0,0 +1,26 @@
#import <WebAudio/AudioBuffer.idl>
#import <WebAudio/AudioParam.idl>
#import <WebAudio/AudioScheduledSourceNode.idl>
#import <WebAudio/BaseAudioContext.idl>
dictionary AudioBufferSourceOptions {
AudioBuffer? buffer;
float detune = 0;
boolean loop = false;
double loopEnd = 0;
double loopStart = 0;
float playbackRate = 1;
};
// https://webaudio.github.io/web-audio-api/#AudioBufferSourceNode
[Exposed=Window]
interface AudioBufferSourceNode : AudioScheduledSourceNode {
constructor(BaseAudioContext context, optional AudioBufferSourceOptions options = {});
[FIXME] attribute AudioBuffer? buffer;
[FIXME] readonly attribute AudioParam playbackRate;
[FIXME] readonly attribute AudioParam detune;
[FIXME] attribute boolean loop;
[FIXME] attribute double loopStart;
[FIXME] attribute double loopEnd;
[FIXME] undefined start(optional double when = 0, optional double offset, optional double duration);
};

8
Userland/Libraries/LibWeb/WebAudio/BaseAudioContext.cpp
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@ -9,6 +9,7 @@
#include <LibWeb/Bindings/Intrinsics.h>
#include <LibWeb/HTML/EventNames.h>
#include <LibWeb/WebAudio/AudioBuffer.h>
#include <LibWeb/WebAudio/AudioBufferSourceNode.h>
#include <LibWeb/WebAudio/BaseAudioContext.h>
#include <LibWeb/WebAudio/DynamicsCompressorNode.h>
#include <LibWeb/WebAudio/GainNode.h>
@ -48,6 +49,13 @@ WebIDL::ExceptionOr<JS::NonnullGCPtr<AudioBuffer>> BaseAudioContext::create_buff
return AudioBuffer::create(realm(), number_of_channels, length, sample_rate);
}
// https://webaudio.github.io/web-audio-api/#dom-baseaudiocontext-createbuffersource
WebIDL::ExceptionOr<JS::NonnullGCPtr<AudioBufferSourceNode>> BaseAudioContext::create_buffer_source()
{
// Factory method for a AudioBufferSourceNode.
return AudioBufferSourceNode::create(realm(), *this);
}
// https://webaudio.github.io/web-audio-api/#dom-baseaudiocontext-createoscillator
WebIDL::ExceptionOr<JS::NonnullGCPtr<OscillatorNode>> BaseAudioContext::create_oscillator()
{

1
Userland/Libraries/LibWeb/WebAudio/BaseAudioContext.h
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@ -48,6 +48,7 @@ public:
static WebIDL::ExceptionOr<void> verify_audio_options_inside_nominal_range(JS::Realm&, WebIDL::UnsignedLong number_of_channels, WebIDL::UnsignedLong length, float sample_rate);
WebIDL::ExceptionOr<JS::NonnullGCPtr<AudioBuffer>> create_buffer(WebIDL::UnsignedLong number_of_channels, WebIDL::UnsignedLong length, float sample_rate);
WebIDL::ExceptionOr<JS::NonnullGCPtr<AudioBufferSourceNode>> create_buffer_source();
WebIDL::ExceptionOr<JS::NonnullGCPtr<OscillatorNode>> create_oscillator();
WebIDL::ExceptionOr<JS::NonnullGCPtr<DynamicsCompressorNode>> create_dynamics_compressor();
JS::NonnullGCPtr<GainNode> create_gain();

3
Userland/Libraries/LibWeb/WebAudio/BaseAudioContext.idl
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@ -1,6 +1,7 @@
#import <DOM/EventTarget.idl>
#import <DOM/EventHandler.idl>
#import <WebAudio/AudioBuffer.idl>
#import <WebAudio/AudioBufferSourceNode.idl>
#import <WebAudio/DynamicsCompressorNode.idl>
#import <WebAudio/GainNode.idl>
#import <WebAudio/OscillatorNode.idl>
@ -27,7 +28,7 @@ interface BaseAudioContext : EventTarget {
[FIXME] AnalyserNode createAnalyser ();
[FIXME] BiquadFilterNode createBiquadFilter ();
AudioBuffer createBuffer(unsigned long numberOfChannels, unsigned long length, float sampleRate);
[FIXME] AudioBufferSourceNode createBufferSource ();
AudioBufferSourceNode createBufferSource ();
[FIXME] ChannelMergerNode createChannelMerger (optional unsigned long numberOfInputs = 6);
[FIXME] ChannelSplitterNode createChannelSplitter (optional unsigned long numberOfOutputs = 6);
[FIXME] ConstantSourceNode createConstantSource ();

1
Userland/Libraries/LibWeb/idl_files.cmake
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@ -310,6 +310,7 @@ libweb_js_bindings(WebAssembly/Module)
libweb_js_bindings(WebAssembly/Table)
libweb_js_bindings(WebAssembly/WebAssembly NAMESPACE)
libweb_js_bindings(WebAudio/AudioBuffer)
libweb_js_bindings(WebAudio/AudioBufferSourceNode)
libweb_js_bindings(WebAudio/AudioContext)
libweb_js_bindings(WebAudio/AudioNode)
libweb_js_bindings(WebAudio/AudioParam)