WebCore::AudioNode Class Reference

#include <AudioNode.h>

Inheritance diagram for WebCore::AudioNode:

Public Types
enum	{ ProcessingSizeInFrames = 128 }
enum	NodeType {   NodeTypeUnknown, NodeTypeDestination, NodeTypeOscillator, NodeTypeAudioBufferSource,   NodeTypeMediaElementAudioSource, NodeTypeMediaStreamAudioDestination, NodeTypeMediaStreamAudioSource, NodeTypeJavaScript,   NodeTypeBiquadFilter, NodeTypePanner, NodeTypeConvolver, NodeTypeDelay,   NodeTypeGain, NodeTypeChannelSplitter, NodeTypeChannelMerger, NodeTypeAnalyser,   NodeTypeDynamicsCompressor, NodeTypeWaveShaper, NodeTypeEnd }
enum	ChannelCountMode { Max, ClampedMax, Explicit }
enum	RefType { RefTypeNormal, RefTypeConnection }
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 Member Functions
	AudioNode (AudioContext &, float sampleRate)
virtual	~AudioNode ()
AudioContext &	context ()
const AudioContext &	context () const
NodeType	nodeType () const
void	setNodeType (NodeType)
void	ref (RefType refType=RefTypeNormal)
void	deref (RefType refType=RefTypeNormal)
void	finishDeref (RefType refType)
virtual void	process (size_t framesToProcess)=0
virtual void	reset ()=0
virtual void	initialize ()
virtual void	uninitialize ()
bool	isInitialized () const
void	lazyInitialize ()
unsigned	numberOfInputs () const
unsigned	numberOfOutputs () const
AudioNodeInput *	input (unsigned)
AudioNodeOutput *	output (unsigned)
virtual ExceptionOr< void >	connect (AudioNode &, unsigned outputIndex, unsigned inputIndex)
ExceptionOr< void >	connect (AudioParam &, unsigned outputIndex)
virtual ExceptionOr< void >	disconnect (unsigned outputIndex)
virtual float	sampleRate () const
void	processIfNecessary (size_t framesToProcess)
virtual void	checkNumberOfChannelsForInput (AudioNodeInput *)
bool	isMarkedForDeletion () const
virtual double	tailTime () const =0
virtual double	latencyTime () const =0
virtual bool	propagatesSilence () const
bool	inputsAreSilent ()
void	silenceOutputs ()
void	unsilenceOutputs ()
void	enableOutputsIfNecessary ()
void	disableOutputsIfNecessary ()
unsigned	channelCount ()
virtual ExceptionOr< void >	setChannelCount (unsigned)
String	channelCountMode ()
ExceptionOr< void >	setChannelCountMode (const String &)
String	channelInterpretation ()
ExceptionOr< void >	setChannelInterpretation (const String &)
ChannelCountMode	internalChannelCountMode () const
AudioBus::ChannelInterpretation	internalChannelInterpretation () const
EventTargetInterface	eventTargetInterface () const override
ScriptExecutionContext *	scriptExecutionContext () const final
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 *)

Protected Member Functions
void	addInput (std::unique_ptr< AudioNodeInput >)
void	addOutput (std::unique_ptr< AudioNodeOutput >)
virtual void	pullInputs (size_t framesToProcess)
void	updateChannelsForInputs ()
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 Attributes
unsigned	m_channelCount
ChannelCountMode	m_channelCountMode
AudioBus::ChannelInterpretation	m_channelInterpretation

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

Member Enumeration Documentation

anonymous enum

anonymous enum

Enumerator
ProcessingSizeInFrames

ChannelCountMode

enum WebCore::AudioNode::ChannelCountMode

Enumerator
Max
ClampedMax
Explicit

NodeType

enum WebCore::AudioNode::NodeType

Enumerator
NodeTypeUnknown
NodeTypeDestination
NodeTypeOscillator
NodeTypeAudioBufferSource
NodeTypeMediaElementAudioSource
NodeTypeMediaStreamAudioDestination
NodeTypeMediaStreamAudioSource
NodeTypeJavaScript
NodeTypeBiquadFilter
NodeTypePanner
NodeTypeConvolver
NodeTypeDelay
NodeTypeGain
NodeTypeChannelSplitter
NodeTypeChannelMerger
NodeTypeAnalyser
NodeTypeDynamicsCompressor
NodeTypeWaveShaper
NodeTypeEnd

RefType

enum WebCore::AudioNode::RefType

Enumerator
RefTypeNormal
RefTypeConnection

Constructor & Destructor Documentation

AudioNode()

WebCore::AudioNode::AudioNode	(	AudioContext &	,
		float	sampleRate
	)

~AudioNode()

virtual WebCore::AudioNode::~AudioNode ( )

virtual

Member Function Documentation

addInput()

void WebCore::AudioNode::addInput ( std::unique_ptr< AudioNodeInput >  )

protected

addOutput()

void WebCore::AudioNode::addOutput ( std::unique_ptr< AudioNodeOutput >  )

protected

channelCount()

unsigned WebCore::AudioNode::channelCount

(

)

channelCountMode()

String WebCore::AudioNode::channelCountMode

(

)

channelInterpretation()

String WebCore::AudioNode::channelInterpretation

(

)

checkNumberOfChannelsForInput()

virtual void WebCore::AudioNode::checkNumberOfChannelsForInput ( AudioNodeInput *  )

virtual

Reimplemented in WebCore::AudioBasicProcessorNode, WebCore::GainNode, and WebCore::ChannelMergerNode.

connect() [1/2]

virtual ExceptionOr<void> WebCore::AudioNode::connect ( AudioNode &  , unsigned  outputIndex, unsigned  inputIndex  )

virtual

connect() [2/2]

ExceptionOr<void> WebCore::AudioNode::connect	(	AudioParam &	,
		unsigned	outputIndex
	)

context() [1/2]

AudioContext& WebCore::AudioNode::context ( )

inline

context() [2/2]

const AudioContext& WebCore::AudioNode::context ( ) const

inline

deref()

void WebCore::AudioNode::deref

(

RefType

refType = RefTypeNormal

)

disableOutputsIfNecessary()

void WebCore::AudioNode::disableOutputsIfNecessary

(

)

disconnect()

virtual ExceptionOr<void> WebCore::AudioNode::disconnect ( unsigned  outputIndex )

virtual

enableOutputsIfNecessary()

void WebCore::AudioNode::enableOutputsIfNecessary

(

)

eventTargetInterface()

EventTargetInterface WebCore::AudioNode::eventTargetInterface ( ) const

overridevirtual

Implements WebCore::EventTarget.

finishDeref()

void WebCore::AudioNode::finishDeref

(

RefType

refType

)

initialize()

virtual void WebCore::AudioNode::initialize ( )

virtual

Reimplemented in WebCore::ScriptProcessorNode, WebCore::AudioBasicProcessorNode, WebCore::DynamicsCompressorNode, and WebCore::OfflineAudioDestinationNode.

input()

AudioNodeInput* WebCore::AudioNode::input

(

unsigned

)

inputsAreSilent()

bool WebCore::AudioNode::inputsAreSilent

(

)

internalChannelCountMode()

ChannelCountMode WebCore::AudioNode::internalChannelCountMode ( ) const

inline

internalChannelInterpretation()

AudioBus::ChannelInterpretation WebCore::AudioNode::internalChannelInterpretation ( ) const

inline

isInitialized()

bool WebCore::AudioNode::isInitialized ( ) const

inline

isMarkedForDeletion()

bool WebCore::AudioNode::isMarkedForDeletion ( ) const

inline

latencyTime()

virtual double WebCore::AudioNode::latencyTime ( ) const

pure virtual

Implemented in WebCore::AudioDestinationNode, and WebCore::AudioBasicProcessorNode.

lazyInitialize()

void WebCore::AudioNode::lazyInitialize

(

)

nodeType()

NodeType WebCore::AudioNode::nodeType ( ) const

inline

numberOfInputs()

unsigned WebCore::AudioNode::numberOfInputs ( ) const

inline

numberOfOutputs()

unsigned WebCore::AudioNode::numberOfOutputs ( ) const

inline

output()

AudioNodeOutput* WebCore::AudioNode::output

(

unsigned

)

process()

virtual void WebCore::AudioNode::process ( size_t  framesToProcess )

pure virtual

Implemented in WebCore::ScriptProcessorNode, WebCore::GainNode, WebCore::AudioBufferSourceNode, WebCore::DynamicsCompressorNode, WebCore::AudioBasicProcessorNode, WebCore::AudioDestinationNode, WebCore::ChannelMergerNode, and WebCore::ChannelSplitterNode.

processIfNecessary()

void WebCore::AudioNode::processIfNecessary

(

size_t

framesToProcess

)

propagatesSilence()

virtual bool WebCore::AudioNode::propagatesSilence ( ) const

virtual

Reimplemented in WebCore::AudioBufferSourceNode.

pullInputs()

virtual void WebCore::AudioNode::pullInputs ( size_t  framesToProcess )

protectedvirtual

Reimplemented in WebCore::AudioBasicProcessorNode.

ref()

void WebCore::AudioNode::ref

(

RefType

refType = RefTypeNormal

)

reset()

virtual void WebCore::AudioNode::reset ( )

pure virtual

Implemented in WebCore::ScriptProcessorNode, WebCore::GainNode, WebCore::AudioBasicProcessorNode, WebCore::AudioBufferSourceNode, WebCore::DynamicsCompressorNode, WebCore::AudioDestinationNode, WebCore::ChannelMergerNode, and WebCore::ChannelSplitterNode.

sampleRate()

virtual float WebCore::AudioNode::sampleRate ( ) const

inlinevirtual

Reimplemented in WebCore::OfflineAudioDestinationNode.

scriptExecutionContext()

ScriptExecutionContext* WebCore::AudioNode::scriptExecutionContext ( ) const

finalvirtual

Implements WebCore::EventTarget.

setChannelCount()

virtual ExceptionOr<void> WebCore::AudioNode::setChannelCount ( unsigned  )

virtual

setChannelCountMode()

ExceptionOr<void> WebCore::AudioNode::setChannelCountMode

(

const String &

)

setChannelInterpretation()

ExceptionOr<void> WebCore::AudioNode::setChannelInterpretation

(

const String &

)

setNodeType()

void WebCore::AudioNode::setNodeType

(

NodeType

)

silenceOutputs()

void WebCore::AudioNode::silenceOutputs

(

)

tailTime()

virtual double WebCore::AudioNode::tailTime ( ) const

pure virtual

Implemented in WebCore::AudioDestinationNode, and WebCore::AudioBasicProcessorNode.

uninitialize()

virtual void WebCore::AudioNode::uninitialize ( )

virtual

Reimplemented in WebCore::ScriptProcessorNode, WebCore::AudioBasicProcessorNode, WebCore::DynamicsCompressorNode, and WebCore::OfflineAudioDestinationNode.

unsilenceOutputs()

void WebCore::AudioNode::unsilenceOutputs

(

)

updateChannelsForInputs()

void WebCore::AudioNode::updateChannelsForInputs ( )

protected

Member Data Documentation

m_channelCount

unsigned WebCore::AudioNode::m_channelCount

protected

m_channelCountMode

ChannelCountMode WebCore::AudioNode::m_channelCountMode

protected

m_channelInterpretation

AudioBus::ChannelInterpretation WebCore::AudioNode::m_channelInterpretation

protected

---

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

• Source/WebCore/Modules/webaudio/AudioNode.h