trait MediaDevices extends EventTarget
The MediaDevices interface provides access to connected media input devices like cameras and microphones, as well as screen sharing. In essence, it lets you obtain access to any hardware source of media data.
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addEventListener[T <: Event](type: String, listener: Function1[T, _], options: EventListenerOptions): Unit
The EventTarget.addEventListener() method registers the specified listener on the EventTarget it's called on.
The EventTarget.addEventListener() method registers the specified listener on the EventTarget it's called on. The event target may be an Element in a document, the Document itself, a Window, or any other object that supports events (such as XMLHttpRequest).
This implementation accepts a settings object of type EventListenerOptions.
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The EventTarget.addEventListener() method registers the specified listener on the EventTarget it's called on.
The EventTarget.addEventListener() method registers the specified listener on the EventTarget it's called on. The event target may be an Element in a document, the Document itself, a Window, or any other object that supports events (such as XMLHttpRequest).
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dispatchEvent(evt: Event): Boolean
Dispatches an Event at the specified EventTarget, invoking the affected EventListeners in the appropriate order.
Dispatches an Event at the specified EventTarget, invoking the affected EventListeners in the appropriate order. The normal event processing rules (including the capturing and optional bubbling phase) apply to events dispatched manually with dispatchEvent().
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def
enumerateDevices(): Promise[Array[MediaDeviceInfo]]
Obtains an array of information about the media input and output devices available on the system.
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def
getSupportedConstraints(): MediaTrackSupportedConstraints
Returns an object conforming to MediaTrackSupportedConstraints indicating which constrainable properties are supported on the MediaStreamTrack interface.
Returns an object conforming to MediaTrackSupportedConstraints indicating which constrainable properties are supported on the MediaStreamTrack interface. See "Capabilities and constraints" in Media Capture and Streams API (Media Streams) to learn more about constraints and how to use them.
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def
getUserMedia(constraints: MediaStreamConstraints): Promise[MediaStream]
With the user's permission through a prompt, turns on a camera or screensharing and/or a microphone on the system and provides a MediaStream containing a video track and/or an audio track with the input.
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val
ondevicechange: Function1[Event, Any]
The event handler for the devicechange event.
The event handler for the devicechange event. This event is delivered to the MediaDevices object when a media input or output device is attached to or removed from the user's computer.
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removeEventListener[T <: Event](type: String, listener: Function1[T, _], options: EventListenerOptions): Unit
Removes the event listener previously registered with EventTarget.addEventListener.
Removes the event listener previously registered with EventTarget.addEventListener.
This implementation accepts a settings object of type EventListenerOptions.
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removeEventListener[T <: Event](type: String, listener: Function1[T, _], useCapture: Boolean = js.native): Unit
Removes the event listener previously registered with EventTarget.addEventListener.
Removes the event listener previously registered with EventTarget.addEventListener.
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