CanvasCaptureMediaStreamTrack extension type

The CanvasCaptureMediaStreamTrack interface of the Media Capture and Streams API represents the video track contained in a MediaStream being generated from a canvas following a call to HTMLCanvasElement.captureStream.


API documentation sourced from MDN Web Docs.

on
Implemented types
Available extensions

Properties

canvas HTMLCanvasElement
The canvas read-only property of the CanvasCaptureMediaStreamTrack interface returns the HTMLCanvasElement from which frames are being captured.
no setter
contentHint String
The contentHint property of the MediaStreamTrack interface is a string that hints at the type of content the track contains. Allowable values depend on the value of the MediaStreamTrack.kind property.
getter/setter pairinherited
enabled bool
The enabled property of the MediaStreamTrack interface is a Boolean value which is true if the track is allowed to render the source stream or false if it is not. This can be used to intentionally mute a track.
getter/setter pairinherited
hashCode int
The hash code for this object.
no setterinherited
id String
The id read-only property of the MediaStreamTrack interface returns a string containing a unique identifier (GUID) for the track, which is generated by the .
no setterinherited
isDefinedAndNotNull bool

Available on JSAny?, provided by the NullableUndefineableJSAnyExtension extension

no setter
isNull bool

Available on JSAny?, provided by the NullableUndefineableJSAnyExtension extension

Whether this value corresponds to JavaScript null.
no setter
isTruthy JSBoolean

Available on JSAny?, provided by the JSAnyOperatorExtension extension

The result of !!this in JavaScript.
no setter
isUndefined bool

Available on JSAny?, provided by the NullableUndefineableJSAnyExtension extension

Whether this value corresponds to JavaScript undefined.
no setter
isUndefinedOrNull bool

Available on JSAny?, provided by the NullableUndefineableJSAnyExtension extension

no setter
kind String
The kind read-only property of the MediaStreamTrack interface returns a string set to "audio" if the track is an audio track and to "video" if it is a video track. It doesn't change if the track is disassociated from its source.
no setterinherited
label String
The label read-only property of the MediaStreamTrack interface returns a string containing a -assigned label that identifies the track source, as in "internal microphone".
no setterinherited
muted bool
The muted read-only property of the MediaStreamTrack interface returns a boolean value indicating whether or not the track is currently unable to provide media output.
no setterinherited
not JSBoolean

Available on JSAny?, provided by the JSAnyOperatorExtension extension

The result of !this in JavaScript.
no setter
onended EventHandler?
getter/setter pairinherited
onmute EventHandler?
getter/setter pairinherited
onunmute EventHandler?
getter/setter pairinherited
readyState MediaStreamTrackState
The readyState read-only property of the MediaStreamTrack interface returns an enumerated value giving the status of the track.
no setterinherited
runtimeType Type
A representation of the runtime type of the object.
no setterinherited

Methods

add(JSAny? any) JSAny

Available on JSAny?, provided by the JSAnyOperatorExtension extension

The result of this + any in JavaScript.
addEventListener(String type, EventListener? callback, [JSAny options]) → void
The addEventListener() method of the EventTarget interface sets up a function that will be called whenever the specified event is delivered to the target.
inherited
and(JSAny? any) JSAny?

Available on JSAny?, provided by the JSAnyOperatorExtension extension

The result of this && any in JavaScript.
applyConstraints([MediaTrackConstraints constraints]) JSPromise<JSAny?>
The applyConstraints() method of the MediaStreamTrack interface applies a set of constraints to the track; these constraints let the website or app establish ideal values and acceptable ranges of values for the constrainable properties of the track, such as frame rate, dimensions, echo cancellation, and so forth.
inherited
callMethod<R extends JSAny?>(JSAny method, [JSAny? arg1, JSAny? arg2, JSAny? arg3, JSAny? arg4]) → R

Available on JSObject, provided by the JSObjectUnsafeUtilExtension extension

Calls method on this JSObject with up to four arguments.
callMethodVarArgs<R extends JSAny?>(JSAny method, [List<JSAny?>? arguments]) → R

Available on JSObject, provided by the JSObjectUnsafeUtilExtension extension

Calls method on this JSObject with a variable number of arguments.
clone() MediaStreamTrack
The clone() method of the MediaStreamTrack interface creates a duplicate of the MediaStreamTrack. This new MediaStreamTrack object is identical except for its unique MediaStreamTrack.id.
inherited
dartify() Object?

Available on JSAny?, provided by the JSAnyUtilityExtension extension

Converts a JavaScript value to the Dart equivalent if possible.
delete(JSAny property) JSBoolean

Available on JSObject, provided by the JSObjectUnsafeUtilExtension extension

Deletes the property with key property from this JSObject.
dispatchEvent(Event event) bool
The dispatchEvent() method of the EventTarget sends an Event to the object, (synchronously) invoking the affected event listeners in the appropriate order. The normal event processing rules (including the capturing and optional bubbling phase) also apply to events dispatched manually with dispatchEvent().
inherited
divide(JSAny? any) JSAny

Available on JSAny?, provided by the JSAnyOperatorExtension extension

The result of this / any in JavaScript.
equals(JSAny? any) JSBoolean

Available on JSAny?, provided by the JSAnyOperatorExtension extension

The result of this == any in JavaScript.
exponentiate(JSAny? any) JSAny

Available on JSAny?, provided by the JSAnyOperatorExtension extension

The result of this ** any in JavaScript.
getCapabilities() MediaTrackCapabilities
The getCapabilities() method of the MediaStreamTrack interface returns a MediaTrackCapabilities object which specifies the values or range of values which each constrainable property, based upon the platform and .
inherited
getConstraints() MediaTrackConstraints
The getConstraints() method of the MediaStreamTrack interface returns a MediaTrackConstraints object containing the set of constraints most recently established for the track using a prior call to MediaStreamTrack.applyConstraints. These constraints indicate values and ranges of values that the website or application has specified are required or acceptable for the included constrainable properties.
inherited
getProperty<R extends JSAny?>(JSAny property) → R

Available on JSObject, provided by the JSObjectUnsafeUtilExtension extension

The value of the property key property of this JSObject.
getSettings() MediaTrackSettings
The getSettings() method of the MediaStreamTrack interface returns a MediaTrackSettings object containing the current values of each of the constrainable properties for the current MediaStreamTrack.
inherited
greaterThan(JSAny? any) JSBoolean

Available on JSAny?, provided by the JSAnyOperatorExtension extension

The result of this > any in JavaScript.
greaterThanOrEqualTo(JSAny? any) JSBoolean

Available on JSAny?, provided by the JSAnyOperatorExtension extension

The result of this >= any in JavaScript.
has(String property) bool

Available on JSObject, provided by the JSObjectUnsafeUtilExtension extension

Shorthand helper for hasProperty to check whether this JSObject contains the property key property, but takes and returns a Dart value.
hasProperty(JSAny property) JSBoolean

Available on JSObject, provided by the JSObjectUnsafeUtilExtension extension

Whether or not this JSObject contains the property key property.
instanceof(JSFunction constructor) bool

Available on JSAny?, provided by the JSAnyUtilityExtension extension

Whether this JSAny? is an instanceof constructor.
instanceOfString(String constructorName) bool

Available on JSAny?, provided by the JSAnyUtilityExtension extension

Whether this JSAny? is an instanceof the constructor that is defined by constructorName, which is looked up in the globalContext.
isA<T extends JSAny?>() bool

Available on JSAny?, provided by the JSAnyUtilityExtension extension

Whether this JSAny? is an instance of the JavaScript type that is declared by T.
lessThan(JSAny? any) JSBoolean

Available on JSAny?, provided by the JSAnyOperatorExtension extension

The result of this < any in JavaScript.
lessThanOrEqualTo(JSAny? any) JSBoolean

Available on JSAny?, provided by the JSAnyOperatorExtension extension

The result of this <= any in JavaScript.
modulo(JSAny? any) JSAny

Available on JSAny?, provided by the JSAnyOperatorExtension extension

The result of this % any in JavaScript.
multiply(JSAny? any) JSAny

Available on JSAny?, provided by the JSAnyOperatorExtension extension

The result of this * any in JavaScript.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
notEquals(JSAny? any) JSBoolean

Available on JSAny?, provided by the JSAnyOperatorExtension extension

The result of this != any in JavaScript.
or(JSAny? any) JSAny?

Available on JSAny?, provided by the JSAnyOperatorExtension extension

The result of this || any in JavaScript.
removeEventListener(String type, EventListener? callback, [JSAny options]) → void
The removeEventListener() method of the EventTarget interface removes an event listener previously registered with EventTarget.addEventListener from the target. The event listener to be removed is identified using a combination of the event type, the event listener function itself, and various optional options that may affect the matching process; see Matching event listeners for removal.
inherited
requestFrame() → void
The requestFrame() method of the CanvasCaptureMediaStreamTrack interface requests that a frame be captured from the canvas and sent to the stream.
setProperty(JSAny property, JSAny? value) → void

Available on JSObject, provided by the JSObjectUnsafeUtilExtension extension

Write the value of property key property of this JSObject.
stop() → void
The stop() method of the MediaStreamTrack interface stops the track.
inherited
strictEquals(JSAny? any) JSBoolean

Available on JSAny?, provided by the JSAnyOperatorExtension extension

The result of this === any in JavaScript.
strictNotEquals(JSAny? any) JSBoolean

Available on JSAny?, provided by the JSAnyOperatorExtension extension

The result of this !== any in JavaScript.
subtract(JSAny? any) JSAny

Available on JSAny?, provided by the JSAnyOperatorExtension extension

The result of this - any in JavaScript.
toString() String
A string representation of this object.
inherited
typeofEquals(String typeString) bool

Available on JSAny?, provided by the JSAnyUtilityExtension extension

Whether the result of typeof on this JSAny? is typeString.
unsignedRightShift(JSAny? any) JSNumber

Available on JSAny?, provided by the JSAnyOperatorExtension extension

The result of this >>> any in JavaScript.

Operators

operator ==(Object other) bool
The equality operator.
inherited
operator [](String property) JSAny?

Available on JSObject, provided by the JSObjectUnsafeUtilExtension extension

Shorthand helper for getProperty to get the value of the property key property of this JSObject, but takes and returns a Dart value.
operator []=(String property, JSAny? value) → void

Available on JSObject, provided by the JSObjectUnsafeUtilExtension extension

Shorthand helper for setProperty to write the value of the property key property of this JSObject, but takes a Dart value.