#include <OfflineAudioContext.h>

Inheritance diagram for WebCore::OfflineAudioContext:

Static Public Member Functions
static ExceptionOr< Ref< OfflineAudioContext > >	create (ScriptExecutionContext &, unsigned numberOfChannels, size_t numberOfFrames, float sampleRate)

Static Public Member Functions inherited from WebCore::AudioContext
static RefPtr< AudioContext >	create (Document &)

static unsigned	maxNumberOfChannels ()

Static Public Member Functions inherited from WebCore::ScriptWrappable
template<typename Derived >
static ptrdiff_t	offsetOfWrapper ()

template<typename Derived >
static ptrdiff_t	offsetOfWrapper ()

Additional Inherited Members
Public Types inherited from WebCore::AudioContext
enum	State { State::Suspended, State::Running, State::Interrupted, State::Closed }

enum	BehaviorRestrictionFlags { NoRestrictions = 0, RequireUserGestureForAudioStartRestriction = 1 << 0, RequirePageConsentForAudioStartRestriction = 1 << 1 }

typedef unsigned	BehaviorRestrictions

Public Types inherited from WebCore::ActiveDOMObject
enum	ReasonForSuspension { JavaScriptDebuggerPaused, WillDeferLoading, PageCache, PageWillBeSuspended, JavaScriptDebuggerPaused, WillDeferLoading, PageCache, PageWillBeSuspended }

enum	ReasonForSuspension { JavaScriptDebuggerPaused, WillDeferLoading, PageCache, PageWillBeSuspended, JavaScriptDebuggerPaused, WillDeferLoading, PageCache, PageWillBeSuspended }

Public Types inherited from WebCore::EventTarget
using	AddEventListenerOptionsOrBoolean = Variant< AddEventListenerOptions, bool >

using	ListenerOptionsOrBoolean = Variant< ListenerOptions, bool >

using	AddEventListenerOptionsOrBoolean = Variant< AddEventListenerOptions, bool >

using	ListenerOptionsOrBoolean = Variant< ListenerOptions, bool >

Public Types inherited from WebCore::MediaProducer
enum	MediaState { IsNotPlaying = 0, IsPlayingAudio = 1 << 0, IsPlayingVideo = 1 << 1, IsPlayingToExternalDevice = 1 << 2, RequiresPlaybackTargetMonitoring = 1 << 3, ExternalDeviceAutoPlayCandidate = 1 << 4, DidPlayToEnd = 1 << 5, IsSourceElementPlaying = 1 << 6, IsNextTrackControlEnabled = 1 << 7, IsPreviousTrackControlEnabled = 1 << 8, HasPlaybackTargetAvailabilityListener = 1 << 9, HasAudioOrVideo = 1 << 10, HasActiveAudioCaptureDevice = 1 << 11, HasActiveVideoCaptureDevice = 1 << 12, IsNotPlaying = 0, IsPlayingAudio = 1 << 0, IsPlayingVideo = 1 << 1, IsPlayingToExternalDevice = 1 << 2, RequiresPlaybackTargetMonitoring = 1 << 3, ExternalDeviceAutoPlayCandidate = 1 << 4, DidPlayToEnd = 1 << 5, IsSourceElementPlaying = 1 << 6, IsNextTrackControlEnabled = 1 << 7, IsPreviousTrackControlEnabled = 1 << 8, HasPlaybackTargetAvailabilityListener = 1 << 9, HasAudioOrVideo = 1 << 10, HasActiveAudioCaptureDevice = 1 << 11, HasActiveVideoCaptureDevice = 1 << 12 }

enum	MutedState { NoneMuted = 0, AudioIsMuted = 1 << 0, CaptureDevicesAreMuted = 1 << 1, NoneMuted = 0, AudioIsMuted = 1 << 0, CaptureDevicesAreMuted = 1 << 1 }

enum	MediaState { IsNotPlaying = 0, IsPlayingAudio = 1 << 0, IsPlayingVideo = 1 << 1, IsPlayingToExternalDevice = 1 << 2, RequiresPlaybackTargetMonitoring = 1 << 3, ExternalDeviceAutoPlayCandidate = 1 << 4, DidPlayToEnd = 1 << 5, IsSourceElementPlaying = 1 << 6, IsNextTrackControlEnabled = 1 << 7, IsPreviousTrackControlEnabled = 1 << 8, HasPlaybackTargetAvailabilityListener = 1 << 9, HasAudioOrVideo = 1 << 10, HasActiveAudioCaptureDevice = 1 << 11, HasActiveVideoCaptureDevice = 1 << 12, IsNotPlaying = 0, IsPlayingAudio = 1 << 0, IsPlayingVideo = 1 << 1, IsPlayingToExternalDevice = 1 << 2, RequiresPlaybackTargetMonitoring = 1 << 3, ExternalDeviceAutoPlayCandidate = 1 << 4, DidPlayToEnd = 1 << 5, IsSourceElementPlaying = 1 << 6, IsNextTrackControlEnabled = 1 << 7, IsPreviousTrackControlEnabled = 1 << 8, HasPlaybackTargetAvailabilityListener = 1 << 9, HasAudioOrVideo = 1 << 10, HasActiveAudioCaptureDevice = 1 << 11, HasActiveVideoCaptureDevice = 1 << 12 }

enum	MutedState { NoneMuted = 0, AudioIsMuted = 1 << 0, CaptureDevicesAreMuted = 1 << 1, NoneMuted = 0, AudioIsMuted = 1 << 0, CaptureDevicesAreMuted = 1 << 1 }

typedef unsigned	MediaStateFlags

typedef unsigned	MutedStateFlags

typedef unsigned	MediaStateFlags

typedef unsigned	MutedStateFlags

Public Member Functions inherited from WebCore::AudioContext
virtual	~AudioContext ()

bool	isInitialized () const

bool	isOfflineContext ()

Document *	document () const

const Document *	hostingDocument () const override

AudioDestinationNode *	destination ()

size_t	currentSampleFrame () const

double	currentTime () const

float	sampleRate () const

unsigned long	activeSourceCount () const

void	incrementActiveSourceCount ()

void	decrementActiveSourceCount ()

ExceptionOr< Ref< AudioBuffer > >	createBuffer (unsigned numberOfChannels, size_t numberOfFrames, float sampleRate)

ExceptionOr< Ref< AudioBuffer > >	createBuffer (ArrayBuffer &, bool mixToMono)

void	decodeAudioData (Ref< ArrayBuffer > &&, RefPtr< AudioBufferCallback > &&, RefPtr< AudioBufferCallback > &&)

AudioListener *	listener ()

void	suspend (DOMPromise< void > &&)

void	resume (DOMPromise< void > &&)

void	close (DOMPromise< void > &&)

State	state () const

Ref< AudioBufferSourceNode >	createBufferSource ()

Ref< GainNode >	createGain ()

Ref< BiquadFilterNode >	createBiquadFilter ()

Ref< WaveShaperNode >	createWaveShaper ()

ExceptionOr< Ref< DelayNode > >	createDelay (double maxDelayTime)

Ref< PannerNode >	createPanner ()

Ref< ConvolverNode >	createConvolver ()

Ref< DynamicsCompressorNode >	createDynamicsCompressor ()

Ref< AnalyserNode >	createAnalyser ()

ExceptionOr< Ref< ScriptProcessorNode > >	createScriptProcessor (size_t bufferSize, size_t numberOfInputChannels, size_t numberOfOutputChannels)

ExceptionOr< Ref< ChannelSplitterNode > >	createChannelSplitter (size_t numberOfOutputs)

ExceptionOr< Ref< ChannelMergerNode > >	createChannelMerger (size_t numberOfInputs)

Ref< OscillatorNode >	createOscillator ()

ExceptionOr< Ref< PeriodicWave > >	createPeriodicWave (Float32Array &real, Float32Array &imaginary)

void	notifyNodeFinishedProcessing (AudioNode *)

void	handlePreRenderTasks ()

void	handlePostRenderTasks ()

void	derefFinishedSourceNodes ()

void	markForDeletion (AudioNode *)

void	deleteMarkedNodes ()

void	addAutomaticPullNode (AudioNode *)

void	removeAutomaticPullNode (AudioNode *)

void	processAutomaticPullNodes (size_t framesToProcess)

void	incrementConnectionCount ()

unsigned	connectionCount () const

void	setAudioThread (ThreadIdentifier thread)

ThreadIdentifier	audioThread () const

bool	isAudioThread () const

bool	isAudioThreadFinished ()

void	lock (bool &mustReleaseLock)

bool	tryLock (bool &mustReleaseLock)

void	unlock ()

bool	isGraphOwner () const

void	addDeferredFinishDeref (AudioNode *)

void	handleDeferredFinishDerefs ()

void	markSummingJunctionDirty (AudioSummingJunction *)

void	markAudioNodeOutputDirty (AudioNodeOutput *)

void	removeMarkedSummingJunction (AudioSummingJunction *)

EventTargetInterface	eventTargetInterface () const final

ScriptExecutionContext *	scriptExecutionContext () const final

void	startRendering ()

void	fireCompletionEvent ()

BehaviorRestrictions	behaviorRestrictions () const

void	addBehaviorRestriction (BehaviorRestrictions restriction)

void	removeBehaviorRestriction (BehaviorRestrictions restriction)

void	isPlayingAudioDidChange ()

void	nodeWillBeginPlayback ()

Public Member Functions inherited from WebCore::ActiveDOMObject
void	suspendIfNeeded ()

void	assertSuspendIfNeededWasCalled () const

virtual bool	hasPendingActivity () const

virtual void	suspend (ReasonForSuspension)

virtual void	resume ()

template<class T >
void	setPendingActivity (T *thisObject)

template<class T >
void	unsetPendingActivity (T *thisObject)

void	suspendIfNeeded ()

void	assertSuspendIfNeededWasCalled () const

virtual bool	hasPendingActivity () const

virtual void	suspend (ReasonForSuspension)

virtual void	resume ()

template<class T >
void	setPendingActivity (T *thisObject)

template<class T >
void	unsetPendingActivity (T *thisObject)

Public Member Functions inherited from WebCore::ContextDestructionObserver
WEBCORE_EXPORT	ContextDestructionObserver (ScriptExecutionContext *)

virtual WEBCORE_EXPORT void	contextDestroyed ()

ScriptExecutionContext *	scriptExecutionContext () const

WEBCORE_EXPORT	ContextDestructionObserver (ScriptExecutionContext *)

virtual WEBCORE_EXPORT void	contextDestroyed ()

ScriptExecutionContext *	scriptExecutionContext () const

Public Member Functions inherited from WTF::ThreadSafeRefCounted< AudioContext >
void	deref () const

void	deref () const

void	deref () const

Public Member Functions inherited from WTF::ThreadSafeRefCountedBase
	ThreadSafeRefCountedBase ()=default

void	ref () const

bool	hasOneRef () const

unsigned	refCount () const

	ThreadSafeRefCountedBase ()=default

void	ref () const

bool	hasOneRef () const

unsigned	refCount () const

	ThreadSafeRefCountedBase ()=default

void	ref () const

bool	hasOneRef () const

unsigned	refCount () const

Public Member Functions inherited from WebCore::EventTarget
void	ref ()

void	deref ()

virtual Node *	toNode ()

virtual DOMWindow *	toDOMWindow ()

virtual bool	isMessagePort () const

WEBCORE_EXPORT void	addEventListenerForBindings (const AtomicString &eventType, RefPtr< EventListener > &&, AddEventListenerOptionsOrBoolean &&)

WEBCORE_EXPORT void	removeEventListenerForBindings (const AtomicString &eventType, RefPtr< EventListener > &&, ListenerOptionsOrBoolean &&)

WEBCORE_EXPORT ExceptionOr< bool >	dispatchEventForBindings (Event &)

virtual bool	addEventListener (const AtomicString &eventType, Ref< EventListener > &&, const AddEventListenerOptions &={ })

virtual bool	removeEventListener (const AtomicString &eventType, EventListener &, const ListenerOptions &)

virtual void	removeAllEventListeners ()

virtual bool	dispatchEvent (Event &)

virtual void	uncaughtExceptionInEventHandler ()

bool	setAttributeEventListener (const AtomicString &eventType, RefPtr< EventListener > &&)

EventListener *	attributeEventListener (const AtomicString &eventType)

bool	hasEventListeners () const

bool	hasEventListeners (const AtomicString &eventType) const

bool	hasCapturingEventListeners (const AtomicString &eventType)

bool	hasActiveEventListeners (const AtomicString &eventType) const

const EventListenerVector &	eventListeners (const AtomicString &eventType)

bool	fireEventListeners (Event &)

bool	isFiringEventListeners () const

void	visitJSEventListeners (JSC::SlotVisitor &)

void	invalidateJSEventListeners (JSC::JSObject *)

void	ref ()

void	deref ()

virtual Node *	toNode ()

virtual DOMWindow *	toDOMWindow ()

virtual bool	isMessagePort () const

WEBCORE_EXPORT void	addEventListenerForBindings (const AtomicString &eventType, RefPtr< EventListener > &&, AddEventListenerOptionsOrBoolean &&)

WEBCORE_EXPORT void	removeEventListenerForBindings (const AtomicString &eventType, RefPtr< EventListener > &&, ListenerOptionsOrBoolean &&)

WEBCORE_EXPORT ExceptionOr< bool >	dispatchEventForBindings (Event &)

virtual bool	addEventListener (const AtomicString &eventType, Ref< EventListener > &&, const AddEventListenerOptions &={ })

virtual bool	removeEventListener (const AtomicString &eventType, EventListener &, const ListenerOptions &)

virtual void	removeAllEventListeners ()

virtual bool	dispatchEvent (Event &)

virtual void	uncaughtExceptionInEventHandler ()

bool	setAttributeEventListener (const AtomicString &eventType, RefPtr< EventListener > &&)

EventListener *	attributeEventListener (const AtomicString &eventType)

bool	hasEventListeners () const

bool	hasEventListeners (const AtomicString &eventType) const

bool	hasCapturingEventListeners (const AtomicString &eventType)

bool	hasActiveEventListeners (const AtomicString &eventType) const

const EventListenerVector &	eventListeners (const AtomicString &eventType)

bool	fireEventListeners (Event &)

bool	isFiringEventListeners () const

void	visitJSEventListeners (JSC::SlotVisitor &)

void	invalidateJSEventListeners (JSC::JSObject *)

Public Member Functions inherited from WebCore::ScriptWrappable
JSDOMObject *	wrapper () const

void	setWrapper (JSDOMObject , JSC::WeakHandleOwner , void *)

void	clearWrapper (JSDOMObject *)

JSDOMObject *	wrapper () const

void	setWrapper (JSDOMObject , JSC::WeakHandleOwner , void *)

void	clearWrapper (JSDOMObject *)

Static Public Attributes inherited from WebCore::AudioContext
static unsigned	s_hardwareContextCount

Protected Member Functions inherited from WebCore::AudioContext
	AudioContext (Document &)

	AudioContext (Document &, unsigned numberOfChannels, size_t numberOfFrames, float sampleRate)

Protected Member Functions inherited from WebCore::ActiveDOMObject
	ActiveDOMObject (ScriptExecutionContext *)

virtual	~ActiveDOMObject ()

	ActiveDOMObject (ScriptExecutionContext *)

virtual	~ActiveDOMObject ()

Protected Member Functions inherited from WebCore::ContextDestructionObserver
virtual WEBCORE_EXPORT	~ContextDestructionObserver ()

void	observeContext (ScriptExecutionContext *)

virtual WEBCORE_EXPORT	~ContextDestructionObserver ()

void	observeContext (ScriptExecutionContext *)

Protected Member Functions inherited from WTF::ThreadSafeRefCounted< AudioContext >
	ThreadSafeRefCounted ()=default

	ThreadSafeRefCounted ()=default

	ThreadSafeRefCounted ()=default

Protected Member Functions inherited from WTF::ThreadSafeRefCountedBase
bool	derefBase () const

bool	derefBase () const

bool	derefBase () const

Protected Member Functions inherited from WebCore::EventTargetWithInlineData
EventTargetData *	eventTargetData () final

EventTargetData *	eventTargetDataConcurrently () final

EventTargetData &	ensureEventTargetData () final

EventTargetData *	eventTargetData () final

EventTargetData *	eventTargetDataConcurrently () final

EventTargetData &	ensureEventTargetData () final

Protected Member Functions inherited from WebCore::EventTarget
virtual	~EventTarget ()=default

const EventTargetData *	eventTargetData () const

virtual	~EventTarget ()=default

const EventTargetData *	eventTargetData () const

Protected Member Functions inherited from WebCore::ScriptWrappable
	~ScriptWrappable ()

	~ScriptWrappable ()

Protected Member Functions inherited from WebCore::MediaCanStartListener
virtual	~MediaCanStartListener ()

virtual	~MediaCanStartListener ()

Protected Member Functions inherited from WebCore::MediaProducer
virtual	~MediaProducer ()

virtual	~MediaProducer ()

Static Protected Member Functions inherited from WebCore::AudioContext
static bool	isSampleRateRangeGood (float sampleRate)

Protected Attributes inherited from WebCore::ContextDestructionObserver
ScriptExecutionContext *	m_scriptExecutionContext

Member Function Documentation

◆ create()

static ExceptionOr<Ref<OfflineAudioContext> > WebCore::OfflineAudioContext::create	(	ScriptExecutionContext &	,
		unsigned	numberOfChannels,
		size_t	numberOfFrames,
		float	sampleRate
	)

static

The documentation for this class was generated from the following file:

Source/WebCore/Modules/webaudio/OfflineAudioContext.h

Static Public Member Functions

Additional Inherited Members

Member Function Documentation

◆ create()