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useMediaTrack(params) : Object There are also convenience hooks for each track type.

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Parameters

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session_id
string
required
A unique identifier for the participant
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type
string
default:"'video'"
'audio' | 'screenAudio' | 'screenVideo' | 'video', specifies the kind of track

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Return value

An object with the following properties:
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MediaTrackState
Object
Includes detailed information about the given track. See participant tracks properties
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isOff
boolean
Indicates whether a track is turned off or on, true when track state is 'blocked' | 'off'

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Convenience hooks for specific track types

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useAudioTrack

useAudioTrack(session_id: string) : MediaTrackState Given a participant’s session_id, returns the MediaTrackState of their 'audio' track.

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useScreenAudioTrack

useScreenAudioTrack(session_id: string) : MediaTrackState Given a participant’s session_id, returns the MediaTrackState of their 'screenAudio' track.

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useScreenVideoTrack

useScreenVideoTrack(session_id: string) : MediaTrackState Given a participant’s session_id, returns the MediaTrackState of their 'screenVideo' track.

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useVideoTrack

useVideoTrack(session_id: string) : MediaTrackState Given a participant’s session_id, returns the MediaTrackState of their 'video' track.

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Example

import { useMediaTrack } from '@daily-co/daily-react';

export const UseMediaTrackDemo = (props) => {
  const sessionID = props.session_id;
  const mediaTrack = useMediaTrack(sessionID, "audio");

  return (
      <div>Audio {mediaTrack.isOff ? "off" : "on"}</div>
  )
};

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See also

Components

Hooks

daily-js methods