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audioCapabilities

The MediaKeySystemConfiguration.audioCapabilities read-only property returns an array of supported audio type and capability pairs.
API Audio audio EncryptedMediaExtensions initDataTypes Media MediaKeySystemConfiguration NeedsExample Property Reference

distinctiveIdentifier

The MediaKeySystemConfiguration.distinctiveIdentifier read-only property indicates whether a persistent distinctive identifier is required.
API distinctiveIdentifier EncryptedMediaExtensions Media MediaKeySystemConfiguration NeedsExample Property Reference Video

persistentState

The MediaKeySystemConfiguration.persistentState read-only property indicates whether the ability to persist state is required.
API EncryptedMediaExtensions Media MediaKeySystemConfiguration NeedsExample persistentState Property Reference Video

videoCapabilities

The MediaKeySystemConfiguration.videoCapabilities read-only property returns an array of supported video type and capability pairs.
API EncryptedMediaExtensions initDataTypes Media MediaKeySystemConfiguration NeedsExample Property Reference Video

MediaRecorder.state

The MediaRecorder.state read-only property returns the current state of the current MediaRecorder object.
API Media Recorder API MediaRecording Property Reference state

MediaRecorder.stream

The MediaRecorder.stream read-only property returns the stream that was passed into the MediaRecorder() constructor when the MediaRecorder was created.
API Media Recorder API MediaRecorder Property Reference stream

MediaStream

The MediaStream interface represents a stream of media content. A stream consists of several tracks such as video or audio tracks. Each track is specified as an instance of MediaStreamTrack.
API Interface Media Streams API MediaStream Reference WebRTC

MediaStream.addTrack()

The MediaStream.addTrack() method adds a new track to the stream. The track is specified as a parameter of type MediaStreamTrack.
addTrack API Media Streams API Method NeedsExample Reference

MediaStream.getTrackById()

The MediaStream.getTrackById() method returns a MediaStreamTrack object representing the track with the specified ID string. If there is no track with the specified ID, this method returns null.
getTrackById Media MediaStream MediaStream API Method Reference WebRTC

MediaStream.onaddtrack

The MediaStream.onaddtrack property is an EventHandler which specifies a function to be called when the addtrack event occurs on a MediaStream instance. This happens when a new track of any kind is added to the media stream. This event is fired when the browser adds a track to the stream (such as when a RTCPeerConnection is renegotiated or a stream being captured using HTMLMediaElement.captureStream() gets a new set of tracks because the media element being captured loaded a new source.
API Event Handler Media Streams API MediaStream Property Reference

MediaStream.onremovetrack

The MediaStream.onremovetrack property is an EventHandler which specifies a function to be called when the removetrack event occurs on a MediaStream instance. This happens when a track of any kind is removed from the media stream. This event is fired when the browser removes a track from the stream (such as when a RTCPeerConnection is renegotiated or a stream being captured using HTMLMediaElement.captureStream() gets a new set of tracks because the media element being captured loaded a new source.
API Event Handler Media Streams API MediaStream onremovetrack Property Reference

MediaStreamTrack.enabled

The MediaStreamTrack.enabled property returns a Boolean with a value of true if the track is enabled, that is allowed to render the media source stream; or false if it is disabled, that is not rendering the media source stream but silence and blackness. If the track has been disconnected, this value can be changed but has no effect.
enabled Media MediaStreamTrack Property Read-only Reference WebRTC

MediaStreamTrack.getSettings()

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. See "Capabilities and constraints" in Media Capture and Streams API (Media Streams) for details on how to work with constrainable properties.
API Constraints getSettings Media Capture and Streams MediaStreamTrack Method Reference

muted

The muted read-only property of the MediaStreamTrack interface returns a Boolean value indicating whether the track is muted.
API Media Capture and Streams MediaStreamTrack muted Property Reference

MediaStreamTrack.onended

The MediaStreamTrack.onended event handler is used to specify a function which serves as an EventHandler to be called when the ended event occurs on the track. This event occurs when the track will no longer provide data to the stream for any reason, including the end of the media input being reached, the user revoking needed permissions, the source device being removed, or the remote peer ending a connection.
API Event Handler Media Streams API MediaStreamTrack onended Property Reference

MediaStreamTrack.readyState

The read-only property MediaStreamTrack.readyState returns an enumerated value giving the status of the track.
API Media Stream API MediaStreamTrack Property Read-only readyState Reference

MediaStreamTrack.stop()

The MediaStreamTrack.stop() method stops playing the source associated with the track. Both the source and the track are deassociated. The track state is set to ended.
API Media Stream API MediaStreamTrack Method Reference Référence stop WebRTC