import Logger from '@jitsi/logger'; import * as JitsiConferenceErrors from './JitsiConferenceErrors'; import * as JitsiConferenceEvents from './JitsiConferenceEvents'; import JitsiConnection from './JitsiConnection'; import * as JitsiConnectionErrors from './JitsiConnectionErrors'; import * as JitsiConnectionEvents from './JitsiConnectionEvents'; import JitsiMediaDevices from './JitsiMediaDevices'; import * as JitsiMediaDevicesEvents from './JitsiMediaDevicesEvents'; import JitsiTrackError from './JitsiTrackError'; import * as JitsiTrackErrors from './JitsiTrackErrors'; import * as JitsiTrackEvents from './JitsiTrackEvents'; import * as JitsiTranscriptionStatus from './JitsiTranscriptionStatus'; import RTC from './modules/RTC/RTC'; import RTCStats from './modules/RTCStats/RTCStats'; import browser from './modules/browser'; import NetworkInfo from './modules/connectivity/NetworkInfo'; import { TrackStreamingStatus } from './modules/connectivity/TrackStreamingStatus'; import getActiveAudioDevice from './modules/detection/ActiveDeviceDetector'; import * as DetectionEvents from './modules/detection/DetectionEvents'; import TrackVADEmitter from './modules/detection/TrackVADEmitter'; import ProxyConnectionService from './modules/proxyconnection/ProxyConnectionService'; import recordingConstants from './modules/recording/recordingConstants'; import Settings from './modules/settings/Settings'; import LocalStatsCollector from './modules/statistics/LocalStatsCollector'; import Statistics from './modules/statistics/statistics'; import ScriptUtil from './modules/util/ScriptUtil'; import * as VideoSIPGWConstants from './modules/videosipgw/VideoSIPGWConstants'; import AudioMixer from './modules/webaudio/AudioMixer'; import { MediaType } from './service/RTC/MediaType'; import * as ConnectionQualityEvents from './service/connectivity/ConnectionQualityEvents'; import * as E2ePingEvents from './service/e2eping/E2ePingEvents'; import { createGetUserMediaEvent } from './service/statistics/AnalyticsEvents'; import * as RTCStatsEvents from './modules/RTCStats/RTCStatsEvents'; import { VideoType } from './service/RTC/VideoType'; import runPreCallTest, { IceServer, PreCallResult } from './modules/statistics/PreCallTest'; const logger = Logger.getLogger(__filename); // Settin the default log levels to info early so that we avoid overriding a log level set externally. Logger.setLogLevel(Logger.levels.INFO); /** * Indicates whether GUM has been executed or not. */ let hasGUMExecuted = false; /** * Extracts from an 'options' objects with a specific format (TODO what IS the * format?) the attributes which are to be logged in analytics events. * * @param options gum options (???) * @returns {*} the attributes to attach to analytics events. */ function getAnalyticsAttributesFromOptions(options) { const attributes: any = {}; attributes['audio_requested'] = options.devices.includes('audio'); attributes['video_requested'] = options.devices.includes('video'); attributes['screen_sharing_requested'] = options.devices.includes('desktop'); if (attributes.video_requested) { attributes.resolution = options.resolution; } return attributes; } interface ICreateLocalTrackOptions { cameraDeviceId?: string; devices?: any[]; fireSlowPromiseEvent?: boolean; micDeviceId?: string; resolution?: string; } interface IJitsiMeetJSOptions { enableAnalyticsLogging?: boolean; enableWindowOnErrorHandler?: boolean; externalStorage?: Storage; flags?: { runInLiteMode?: boolean; ssrcRewritingEnabled?: boolean; } } interface ICreateLocalTrackFromMediaStreamOptions { stream: MediaStream, sourceType: string, mediaType: MediaType, videoType?: VideoType } /** * The public API of the Jitsi Meet library (a.k.a. {@code JitsiMeetJS}). */ export default { version: '{#COMMIT_HASH#}', JitsiConnection, /** * {@code ProxyConnectionService} is used to connect a remote peer to a * local Jitsi participant without going through a Jitsi conference. It is * currently used for room integration development, specifically wireless * screensharing. Its API is experimental and will likely change; usage of * it is advised against. */ ProxyConnectionService, constants: { recording: recordingConstants, sipVideoGW: VideoSIPGWConstants, transcriptionStatus: JitsiTranscriptionStatus, trackStreamingStatus: TrackStreamingStatus }, events: { conference: JitsiConferenceEvents, connection: JitsiConnectionEvents, detection: DetectionEvents, track: JitsiTrackEvents, mediaDevices: JitsiMediaDevicesEvents, connectionQuality: ConnectionQualityEvents, e2eping: E2ePingEvents, rtcstats: RTCStatsEvents }, errors: { conference: JitsiConferenceErrors, connection: JitsiConnectionErrors, track: JitsiTrackErrors }, errorTypes: { JitsiTrackError }, logLevels: Logger.levels, mediaDevices: JitsiMediaDevices as unknown, analytics: Statistics.analytics as unknown, init(options: IJitsiMeetJSOptions = {}) { // @ts-ignore logger.info(`This appears to be ${browser.getName()}, ver: ${browser.getVersion()}`); JitsiMediaDevices.init(); Settings.init(options.externalStorage); Statistics.init(options); // Initialize global window.connectionTimes // FIXME do not use 'window' if (!window.connectionTimes) { window.connectionTimes = {}; } if (options.enableAnalyticsLogging !== true) { logger.warn('Analytics disabled, disposing.'); this.analytics.dispose(); } return RTC.init(options); }, /** * Returns whether the desktop sharing is enabled or not. * * @returns {boolean} */ isDesktopSharingEnabled() { return RTC.isDesktopSharingEnabled(); }, /** * Returns whether the current execution environment supports WebRTC (for * use within this library). * * @returns {boolean} {@code true} if WebRTC is supported in the current * execution environment (for use within this library); {@code false}, * otherwise. */ isWebRtcSupported() { return RTC.isWebRtcSupported(); }, setLogLevel(level) { Logger.setLogLevel(level); }, /** * Expose rtcstats to the public API. */ rtcstats: { /** * Sends identity data to the rtcstats server. This data is used * to identify the specifics of a particular client, it can be any object * and will show in the generated rtcstats dump under "identity" entries. * * @param {Object} identityData - Identity data to send. * @returns {void} */ sendIdentityEntry(identityData) { RTCStats.sendIdentity(identityData); }, /** * Sends a stats entry to rtcstats server. * @param {string} statsType - The type of stats to send. * @param {Object} data - The stats data to send. */ sendStatsEntry(statsType, data) { RTCStats.sendStatsEntry(statsType, null, data); }, /** * Events generated by rtcstats, such as PeerConnections state, * and websocket connection state. * * @param {RTCStatsEvents} event - The event name. * @param {function} handler - The event handler. */ on(event, handler) { RTCStats.events.on(event, handler); } }, /** * Sets the log level to the Logger instance with given id. * * @param {Logger.levels} level the logging level to be set * @param {string} id the logger id to which new logging level will be set. * Usually it's the name of the JavaScript source file including the path * ex. "modules/xmpp/ChatRoom.js" */ setLogLevelById(level, id) { Logger.setLogLevelById(level, id); }, /** * Registers new global logger transport to the library logging framework. * * @param globalTransport * @see Logger.addGlobalTransport */ addGlobalLogTransport(globalTransport) { Logger.addGlobalTransport(globalTransport); }, /** * Removes global logging transport from the library logging framework. * * @param globalTransport * @see Logger.removeGlobalTransport */ removeGlobalLogTransport(globalTransport) { Logger.removeGlobalTransport(globalTransport); }, /** * Sets global options which will be used by all loggers. Changing these * works even after other loggers are created. * * @param options * @see Logger.setGlobalOptions */ setGlobalLogOptions(options) { Logger.setGlobalOptions(options); }, /** * Creates local media tracks. * * @param options Object with properties / settings specifying the tracks * which should be created. should be created or some additional * configurations about resolution for example. * @param {Array} options.effects optional effects array for the track * @param {Array} options.devices the devices that will be requested * @param {string} options.resolution resolution constraints * @param {string} options.cameraDeviceId * @param {string} options.micDeviceId * * @returns {Promise.<{Array.}, JitsiConferenceError>} A promise * that returns an array of created JitsiTracks if resolved, or a * JitsiConferenceError if rejected. */ createLocalTracks(options: ICreateLocalTrackOptions = {}) { let isFirstGUM = false; let startTS = window.performance.now(); if (!window.connectionTimes) { window.connectionTimes = {}; } if (!hasGUMExecuted) { hasGUMExecuted = true; isFirstGUM = true; window.connectionTimes['firstObtainPermissions.start'] = startTS; } window.connectionTimes['obtainPermissions.start'] = startTS; return RTC.obtainAudioAndVideoPermissions(options) .then(tracks => { let endTS = window.performance.now(); window.connectionTimes['obtainPermissions.end'] = endTS; if (isFirstGUM) { window.connectionTimes['firstObtainPermissions.end'] = endTS; } Statistics.sendAnalytics( createGetUserMediaEvent( 'success', getAnalyticsAttributesFromOptions(options))); if (this.isCollectingLocalStats()) { for (let i = 0; i < tracks.length; i++) { const track = tracks[i]; if (track.getType() === MediaType.AUDIO) { Statistics.startLocalStats(track, track.setAudioLevel.bind(track)); } } } // set real device ids const currentlyAvailableMediaDevices = RTC.getCurrentlyAvailableMediaDevices(); if (currentlyAvailableMediaDevices) { for (let i = 0; i < tracks.length; i++) { const track = tracks[i]; track._setRealDeviceIdFromDeviceList( currentlyAvailableMediaDevices); } } return tracks; }) .catch(error => { if (error.name === JitsiTrackErrors.SCREENSHARING_USER_CANCELED) { Statistics.sendAnalytics( createGetUserMediaEvent( 'warning', { reason: 'extension install user canceled' })); } else if (error.name === JitsiTrackErrors.NOT_FOUND) { const attributes = getAnalyticsAttributesFromOptions(options); attributes.reason = 'device not found'; attributes.devices = error.gum.devices.join('.'); Statistics.sendAnalytics( createGetUserMediaEvent('error', attributes)); } else { const attributes = getAnalyticsAttributesFromOptions(options); attributes.reason = error.name; Statistics.sendAnalytics( createGetUserMediaEvent('error', attributes)); } let endTS = window.performance.now(); window.connectionTimes['obtainPermissions.end'] = endTS; if (isFirstGUM) { window.connectionTimes['firstObtainPermissions.end'] = endTS; } return Promise.reject(error); }); }, /** * Manually create JitsiLocalTrack's from the provided track info, by exposing the RTC method * * @param {Array} tracksInfo - array of track information * @returns {Array} - created local tracks */ createLocalTracksFromMediaStreams(tracksInfo) { return RTC.createLocalTracks(tracksInfo.map((trackInfo) => { const tracks = trackInfo.stream.getTracks() .filter(track => track.kind === trackInfo.mediaType); if (!tracks || tracks.length === 0) { throw new JitsiTrackError(JitsiTrackErrors.TRACK_NO_STREAM_TRACKS_FOUND, null, null); } if (tracks.length > 1) { throw new JitsiTrackError(JitsiTrackErrors.TRACK_TOO_MANY_TRACKS_IN_STREAM, null, null); } trackInfo.track = tracks[0]; return trackInfo; })); }, /** * Create a TrackVADEmitter service that connects an audio track to an VAD (voice activity detection) processor in * order to obtain VAD scores for individual PCM audio samples. * @param {string} localAudioDeviceId - The target local audio device. * @param {number} sampleRate - Sample rate at which the emitter will operate. Possible values 256, 512, 1024, * 4096, 8192, 16384. Passing other values will default to closes neighbor. * I.e. Providing a value of 4096 means that the emitter will process 4096 PCM samples at a time, higher values mean * longer calls, lowers values mean more calls but shorter. * @param {Object} vadProcessor - VAD Processors that does the actual compute on a PCM sample.The processor needs * to implement the following functions: * - getSampleLength() - Returns the sample size accepted by calculateAudioFrameVAD. * - getRequiredPCMFrequency() - Returns the PCM frequency at which the processor operates. * i.e. (16KHz, 44.1 KHz etc.) * - calculateAudioFrameVAD(pcmSample) - Process a 32 float pcm sample of getSampleLength size. * @returns {Promise} */ createTrackVADEmitter(localAudioDeviceId, sampleRate, vadProcessor) { return TrackVADEmitter.create(localAudioDeviceId, sampleRate, vadProcessor); }, /** * Create AudioMixer, which is essentially a wrapper over web audio ChannelMergerNode. It essentially allows the * user to mix multiple MediaStreams into a single one. * * @returns {AudioMixer} */ createAudioMixer() { return new AudioMixer(); }, /** * Go through all audio devices on the system and return one that is active, i.e. has audio signal. * * @returns Promise - Object containing information about the found device. */ getActiveAudioDevice() { return getActiveAudioDevice(); }, /** * Checks if the current environment supports having multiple audio * input devices in use simultaneously. * * @returns {boolean} True if multiple audio input devices can be used. */ isMultipleAudioInputSupported() { return this.mediaDevices.isMultipleAudioInputSupported(); }, /** * Checks if local tracks can collect stats and collection is enabled. * * @param {boolean} True if stats are being collected for local tracks. */ isCollectingLocalStats() { return Statistics.audioLevelsEnabled && LocalStatsCollector.isLocalStatsSupported(); }, /** * Informs lib-jitsi-meet about the current network status. * * @param {object} state - The network info state. * @param {boolean} state.isOnline - {@code true} if the internet connectivity is online or {@code false} * otherwise. */ setNetworkInfo({ isOnline }) { NetworkInfo.updateNetworkInfo({ isOnline }); }, /** * Run a pre-call test to check the network conditions. * * @param {IceServer} iceServers - The ICE servers to use for the test, * @returns {Promise} - A Promise that resolves with the test results or rejects with an error message. */ runPreCallTest(iceServers) { return runPreCallTest(iceServers); }, /** * Represents a hub/namespace for utility functionality which may be of * interest to lib-jitsi-meet clients. */ util: { ScriptUtil, browser } };