227 lines
7.6 KiB
JavaScript
227 lines
7.6 KiB
JavaScript
/* global APP */
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import JitsiMeetJS, { JitsiTrackErrors, JitsiTrackEvents }
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from '../lib-jitsi-meet';
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import { MEDIA_TYPE } from '../media';
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const logger = require('jitsi-meet-logger').getLogger(__filename);
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/**
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* Create local tracks of specific types.
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*
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* @param {Object} options - The options with which the local tracks are to be
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* created.
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* @param {string|null} [options.cameraDeviceId] - Camera device id or
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* {@code undefined} to use app's settings.
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* @param {string[]} options.devices - Required track types such as 'audio'
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* and/or 'video'.
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* @param {string|null} [options.micDeviceId] - Microphone device id or
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* {@code undefined} to use app's settings.
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* @param {boolean} [firePermissionPromptIsShownEvent] - Whether lib-jitsi-meet
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* should check for a {@code getUserMedia} permission prompt and fire a
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* corresponding event.
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* @param {Object} store - The redux store in the context of which the function
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* is to execute and from which state such as {@code config} is to be retrieved.
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* @returns {Promise<JitsiLocalTrack[]>}
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*/
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export function createLocalTracksF(
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options,
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firePermissionPromptIsShownEvent,
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store) {
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options || (options = {}); // eslint-disable-line no-param-reassign
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let { cameraDeviceId, micDeviceId } = options;
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if (typeof APP !== 'undefined') {
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// TODO The app's settings should go in the redux store and then the
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// reliance on the global variable APP will go away.
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if (typeof cameraDeviceId === 'undefined' || cameraDeviceId === null) {
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cameraDeviceId = APP.settings.getCameraDeviceId();
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}
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if (typeof micDeviceId === 'undefined' || micDeviceId === null) {
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micDeviceId = APP.settings.getMicDeviceId();
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}
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store || (store = APP.store); // eslint-disable-line no-param-reassign
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}
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const {
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constraints,
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desktopSharingFrameRate,
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firefox_fake_device, // eslint-disable-line camelcase
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resolution
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} = store.getState()['features/base/config'];
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return (
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JitsiMeetJS.createLocalTracks(
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{
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cameraDeviceId,
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constraints,
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desktopSharingExtensionExternalInstallation:
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options.desktopSharingExtensionExternalInstallation,
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desktopSharingFrameRate,
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desktopSharingSources: options.desktopSharingSources,
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// Copy array to avoid mutations inside library.
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devices: options.devices.slice(0),
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firefox_fake_device, // eslint-disable-line camelcase
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micDeviceId,
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resolution
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},
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firePermissionPromptIsShownEvent)
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.then(tracks => {
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// TODO JitsiTrackEvents.NO_DATA_FROM_SOURCE should probably be
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// dispatched in the redux store here and then
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// APP.UI.showTrackNotWorkingDialog should be in a middleware
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// somewhere else.
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if (typeof APP !== 'undefined') {
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tracks.forEach(track =>
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track.on(
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JitsiTrackEvents.NO_DATA_FROM_SOURCE,
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APP.UI.showTrackNotWorkingDialog.bind(
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null, track.isAudioTrack())));
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}
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return tracks;
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})
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.catch(err => {
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logger.error('Failed to create local tracks', options.devices, err);
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return Promise.reject(err);
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}));
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}
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/**
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* Returns local audio track.
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*
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* @param {Track[]} tracks - List of all tracks.
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* @returns {(Track|undefined)}
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*/
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export function getLocalAudioTrack(tracks) {
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return getLocalTrack(tracks, MEDIA_TYPE.AUDIO);
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}
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/**
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* Returns local track by media type.
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*
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* @param {Track[]} tracks - List of all tracks.
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* @param {MEDIA_TYPE} mediaType - Media type.
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* @returns {(Track|undefined)}
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*/
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export function getLocalTrack(tracks, mediaType) {
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return getLocalTracks(tracks).find(t => t.mediaType === mediaType);
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}
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/**
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* Returns an array containing the local tracks with a (valid)
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* {@code JitsiTrack}.
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*
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* @param {Track[]} tracks - An array containing all local tracks.
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* @returns {Track[]}
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*/
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export function getLocalTracks(tracks) {
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// XXX A local track is considered ready only once it has its `jitsiTrack`
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// property set by the `TRACK_ADDED` action. Until then there is a stub
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// added just before the `getUserMedia` call with a cancellable
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// `gumInProgress` property which then can be used to destroy the track that
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// has not yet been added to the redux store. Once GUM is cancelled, it will
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// never make it to the store nor there will be any
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// `TRACK_ADDED`/`TRACK_REMOVED` actions dispatched for it.
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return tracks.filter(t => t.local && t.jitsiTrack);
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}
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/**
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* Returns local video track.
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*
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* @param {Track[]} tracks - List of all tracks.
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* @returns {(Track|undefined)}
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*/
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export function getLocalVideoTrack(tracks) {
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return getLocalTrack(tracks, MEDIA_TYPE.VIDEO);
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}
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/**
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* Returns track of specified media type for specified participant id.
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*
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* @param {Track[]} tracks - List of all tracks.
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* @param {MEDIA_TYPE} mediaType - Media type.
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* @param {string} participantId - Participant ID.
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* @returns {(Track|undefined)}
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*/
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export function getTrackByMediaTypeAndParticipant(
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tracks,
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mediaType,
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participantId) {
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return tracks.find(
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t => t.participantId === participantId && t.mediaType === mediaType
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);
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}
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/**
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* Returns the track if any which corresponds to a specific instance
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* of JitsiLocalTrack or JitsiRemoteTrack.
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*
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* @param {Track[]} tracks - List of all tracks.
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* @param {(JitsiLocalTrack|JitsiRemoteTrack)} jitsiTrack - JitsiTrack instance.
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* @returns {(Track|undefined)}
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*/
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export function getTrackByJitsiTrack(tracks, jitsiTrack) {
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return tracks.find(t => t.jitsiTrack === jitsiTrack);
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}
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/**
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* Returns tracks of specified media type.
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*
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* @param {Track[]} tracks - List of all tracks.
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* @param {MEDIA_TYPE} mediaType - Media type.
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* @returns {Track[]}
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*/
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export function getTracksByMediaType(tracks, mediaType) {
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return tracks.filter(t => t.mediaType === mediaType);
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}
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/**
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* Checks if the first local track in the given tracks set is muted.
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*
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* @param {Track[]} tracks - List of all tracks.
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* @param {MEDIA_TYPE} mediaType - The media type of tracks to be checked.
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* @returns {boolean} True if local track is muted or false if the track is
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* unmuted or if there are no local tracks of the given media type in the given
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* set of tracks.
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*/
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export function isLocalTrackMuted(tracks, mediaType) {
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const track = getLocalTrack(tracks, mediaType);
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return !track || track.muted;
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}
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/**
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* Mutes or unmutes a specific {@code JitsiLocalTrack}. If the muted state of
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* the specified {@code track} is already in accord with the specified
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* {@code muted} value, then does nothing.
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*
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* @param {JitsiLocalTrack} track - The {@code JitsiLocalTrack} to mute or
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* unmute.
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* @param {boolean} muted - If the specified {@code track} is to be muted, then
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* {@code true}; otherwise, {@code false}.
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* @returns {Promise}
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*/
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export function setTrackMuted(track, muted) {
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muted = Boolean(muted); // eslint-disable-line no-param-reassign
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if (track.isMuted() === muted) {
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return Promise.resolve();
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}
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const f = muted ? 'mute' : 'unmute';
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return track[f]().catch(error => {
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// Track might be already disposed so ignore such an error.
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if (error.name !== JitsiTrackErrors.TRACK_IS_DISPOSED) {
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// FIXME Emit mute failed, so that the app can show error dialog.
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console.error(`set track ${f} failed`, error);
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}
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});
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}
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