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How to use transceiver method in wpt

Best JavaScript code snippet using wpt

DefaultTransceiverController.ts

Source:DefaultTransceiverController.ts

1// Copyright 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.2// SPDX-License-Identifier: Apache-2.03import BrowserBehavior from '../browserbehavior/DefaultBrowserBehavior';4import DefaultBrowserBehavior from '../browserbehavior/DefaultBrowserBehavior';5import Logger from '../logger/Logger';6import VideoStreamIdSet from '../videostreamidset/VideoStreamIdSet';7import VideoStreamIndex from '../videostreamindex/VideoStreamIndex';8import TransceiverController from './TransceiverController';9export default class DefaultTransceiverController implements TransceiverController {10  private localCameraTransceiver: RTCRtpTransceiver | null = null;11  private localAudioTransceiver: RTCRtpTransceiver | null = null;12  private videoSubscriptions: number[] = [];13  private defaultMediaStream: MediaStream | null = null;14  private peer: RTCPeerConnection | null = null;15  private browserBehavior: BrowserBehavior = new DefaultBrowserBehavior();16  constructor(private logger: Logger) {}17  static setVideoSendingBitrateKbpsForSender(18    sender: RTCRtpSender,19    bitrateKbps: number,20    logger: Logger21  ): void {22    if (!sender || bitrateKbps <= 0) {23      return;24    }25    const param: RTCRtpSendParameters = sender.getParameters();26    if (!param.encodings) {27      param.encodings = [{}];28    }29    for (const encodeParam of param.encodings) {30      encodeParam.maxBitrate = bitrateKbps * 1000;31    }32    sender.setParameters(param);33    logger.info(`set video send bandwidth to ${bitrateKbps}kbps`);34  }35  static async replaceAudioTrackForSender(36    sender: RTCRtpSender,37    track: MediaStreamTrack38  ): Promise<boolean> {39    if (!sender) {40      return false;41    }42    await sender.replaceTrack(track);43    return true;44  }45  setVideoSendingBitrateKbps(bitrateKbps: number): void {46    // this won't set bandwidth limitation for video in Chrome47    if (!this.localCameraTransceiver || this.localCameraTransceiver.direction !== 'sendrecv') {48      return;49    }50    const sender: RTCRtpSender = this.localCameraTransceiver.sender;51    DefaultTransceiverController.setVideoSendingBitrateKbpsForSender(52      sender,53      bitrateKbps,54      this.logger55    );56  }57  setPeer(peer: RTCPeerConnection): void {58    this.peer = peer;59  }60  reset(): void {61    this.localCameraTransceiver = null;62    this.localAudioTransceiver = null;63    this.videoSubscriptions = [];64    this.defaultMediaStream = null;65    this.peer = null;66  }67  useTransceivers(): boolean {68    if (!this.peer || !this.browserBehavior.requiresUnifiedPlan()) {69      return false;70    }71    return typeof this.peer.getTransceivers !== 'undefined';72  }73  trackIsVideoInput(track: MediaStreamTrack): boolean {74    if (!this.localCameraTransceiver) {75      return false;76    }77    return (78      track === this.localCameraTransceiver.sender.track ||79      track === this.localCameraTransceiver.receiver.track80    );81  }82  setupLocalTransceivers(): void {83    if (!this.useTransceivers()) {84      return;85    }86    if (!this.defaultMediaStream && typeof MediaStream !== 'undefined') {87      this.defaultMediaStream = new MediaStream();88    }89    if (!this.localAudioTransceiver) {90      this.localAudioTransceiver = this.peer.addTransceiver('audio', {91        direction: 'inactive',92        streams: [this.defaultMediaStream],93      });94    }95    if (!this.localCameraTransceiver) {96      this.localCameraTransceiver = this.peer.addTransceiver('video', {97        direction: 'inactive',98        streams: [this.defaultMediaStream],99      });100    }101  }102  setAudioInput(track: MediaStreamTrack | null): void {103    this.setTransceiverInput(this.localAudioTransceiver, track);104  }105  async replaceAudioTrack(track: MediaStreamTrack): Promise<boolean> {106    if (!this.localAudioTransceiver || this.localAudioTransceiver.direction !== 'sendrecv') {107      this.logger.info(`audio transceiver direction is not set up or not activated`);108      return false;109    }110    await this.localAudioTransceiver.sender.replaceTrack(track);111    return true;112  }113  setVideoInput(track: MediaStreamTrack | null): void {114    this.setTransceiverInput(this.localCameraTransceiver, track);115  }116  updateVideoTransceivers(117    videoStreamIndex: VideoStreamIndex,118    videosToReceive: VideoStreamIdSet119  ): number[] {120    if (!this.useTransceivers()) {121      return videosToReceive.array();122    }123    // See https://blog.mozilla.org/webrtc/rtcrtptransceiver-explored/ for details on transceivers124    const transceivers: RTCRtpTransceiver[] = this.peer.getTransceivers();125    // Subscription index 0 is reserved for transmitting camera.126    // We mark inactive slots with 0 in the subscription array.127    this.videoSubscriptions = [0];128    videosToReceive = videosToReceive.clone();129    this.unsubscribeTransceivers(transceivers, videoStreamIndex, videosToReceive);130    this.subscribeTransceivers(transceivers, videosToReceive);131    this.logger.debug(() => {132      return this.debugDumpTransceivers();133    });134    return this.videoSubscriptions;135  }136  private unsubscribeTransceivers(137    transceivers: RTCRtpTransceiver[],138    videoStreamIndex: VideoStreamIndex,139    videosToReceive: VideoStreamIdSet140  ): void {141    // disable transceivers which are no longer going to subscribe142    for (const transceiver of transceivers) {143      if (transceiver === this.localCameraTransceiver || !this.transceiverIsVideo(transceiver)) {144        continue;145      }146      // by convention with the video host, msid is equal to the media section mid, prefixed with the string "v_"147      // we use this to get the streamId for the track148      const streamId = videoStreamIndex.streamIdForTrack('v_' + transceiver.mid);149      if (streamId !== undefined && videosToReceive.contain(streamId)) {150        transceiver.direction = 'recvonly';151        this.videoSubscriptions.push(streamId);152        videosToReceive.remove(streamId);153      } else {154        transceiver.direction = 'inactive';155        // mark this slot inactive with a 0 in the subscription array156        this.videoSubscriptions.push(0);157      }158    }159  }160  private subscribeTransceivers(161    transceivers: RTCRtpTransceiver[],162    videosToReceive: VideoStreamIdSet163  ): void {164    if (videosToReceive.size() === 0) {165      return;166    }167    // Handle remaining subscriptions using existing inactive transceivers.168    const videosRemaining = videosToReceive.array();169    // Begin counting out index in the the subscription array at 1 since the camera.170    // Always occupies position 0 (whether active or not).171    let n = 1;172    for (const transceiver of transceivers) {173      if (transceiver === this.localCameraTransceiver || !this.transceiverIsVideo(transceiver)) {174        continue;175      }176      if (transceiver.direction === 'inactive') {177        transceiver.direction = 'recvonly';178        const streamId = videosRemaining.shift();179        this.videoSubscriptions[n] = streamId;180        if (videosRemaining.length === 0) {181          break;182        }183      }184      n += 1;185    }186    // add transceivers for the remaining subscriptions187    for (const index of videosRemaining) {188      // @ts-ignore189      const transceiver = this.peer.addTransceiver('video', {190        direction: 'recvonly',191        streams: [this.defaultMediaStream],192      });193      this.videoSubscriptions.push(index);194      this.logger.info(195        `adding transceiver mid: ${transceiver.mid} subscription: ${index} direction: recvonly`196      );197    }198  }199  private transceiverIsVideo(transceiver: RTCRtpTransceiver): boolean {200    return (201      (transceiver.receiver &&202        transceiver.receiver.track &&203        transceiver.receiver.track.kind === 'video') ||204      (transceiver.sender && transceiver.sender.track && transceiver.sender.track.kind === 'video')205    );206  }207  private debugDumpTransceivers(): string {208    let msg = '';209    let n = 0;210    for (const transceiver of this.peer.getTransceivers()) {211      if (!this.transceiverIsVideo(transceiver)) {212        continue;213      }214      msg += `transceiver index=${n} mid=${transceiver.mid} subscription=${this.videoSubscriptions[n]} direction=${transceiver.direction}\n`;215      n += 1;216    }217    return msg;218  }219  private setTransceiverInput(220    transceiver: RTCRtpTransceiver | null,221    track: MediaStreamTrack222  ): void {223    if (!transceiver) {224      return;225    }226    if (track) {227      transceiver.direction = 'sendrecv';228    } else {229      transceiver.direction = 'inactive';230    }231    transceiver.sender.replaceTrack(track);232  }...

SDKApp.ts

Source:SDKApp.ts

...17import CheckCrash from '../Utils/CheckCrash';18import { SDKIThirdInterfaces } from '../SDKInterfaces/SDKIThirdInterfaces';19import * as SDKLogEventConst from '../SDKConst/SDKLogEventConst';20export default class SDKApp {21    public get transceiver(): SDKTransceiver {22        return this._transceiver;23    }24    public get packetHandler(): SDKPacketHandler {25        return this._packetHandler;26    }27    public get recordTransceiver(): SDKRecordTransceiver {28        return this._recordTransceiver;29    }30    public get logTransceiver(): SDKLogTransceiver {31        return this._logTransceiver;32    }33    public get newRecordTransceiver(): SDKNewRecordTransceiver {34        return this._newRecordTransceiver;35    }...

Using AI Code Generation

1var wpt = require('./node_modules/webpagetest/lib/webpagetest.js');2var wpt = new wpt('www.webpagetest.org');3var location = 'Dulles:Chrome';4var runs = 3;5var firstViewOnly = true;6var timeout = 300;7var label = 'Test';8var pollResults = 5;9wpt.runTest(url, location, runs, firstViewOnly, timeout, label, pollResults, function(err, data) {10  if (err) return console.error(err);11  console.log(data);12});13var wpt = require('./node_modules/webpagetest/lib/webpagetest.js');14var wpt = new wpt('www.webpagetest.org');15var location = 'Dulles:Chrome';16var runs = 3;17var firstViewOnly = true;18var timeout = 300;19var label = 'Test';20var pollResults = 5;21wpt.runTest(url, location, runs, firstViewOnly, timeout, label, pollResults, function(err, data) {22  if (err) return console.error(err);23  console.log(data);24});25var wpt = require('./node_modules/webpagetest/lib/webpagetest.js');26var wpt = new wpt('www.webpagetest.org');27var location = 'Dulles:Chrome';28var runs = 3;29var firstViewOnly = true;30var timeout = 300;31var label = 'Test';32var pollResults = 5;33wpt.runTest(url, location, runs, firstViewOnly, timeout, label, pollResults, function(err, data) {34  if (err) return console.error(err);35  console.log(data);36});37var wpt = require('./node_modules/webpagetest/lib/webpagetest.js');38var wpt = new wpt('www.webpagetest.org');39var location = 'Dulles:Chrome';40var runs = 3;

Using AI Code Generation

1function test() {2    var xhr = new XMLHttpRequest();3    xhr.onreadystatechange = function () {4        if (xhr.readyState == 4) {5            if (xhr.status == 200) {6                console.log("response: " + xhr.responseText);7            }8        }9    };10    xhr.send();11}12test();

Using AI Code Generation

1var wpt = require('./lib/webpagetest');2var wpt = new WebPageTest('www.webpagetest.org');3  if (err) return console.error(err);4  console.log('Test submitted to WebPagetest for %s', data.data.testUrl);5  console.log('Test ID: %s', data.data.testId);6});7wpt.runTest(urls, function(err, data) {8  if (err) return console.error(err);9  console.log('Test submitted to WebPagetest for %s', data.data.testUrl);10  console.log('Test ID: %s', data.data.testId);11});12var options = {13};14wpt.runTest(urls, options, function(err, data) {15  if (err) return console.error(err);16  console.log('Test submitted to WebPagetest for %s', data.data.testUrl);17  console.log('Test ID: %s', data.data.testId);18});19var options = {20};21  if (err) return console.error(err);22  console.log('Test submitted to WebPagetest for %s', data.data.testUrl);23  console.log('Test ID: %s', data.data.testId);24});25var options = {26};27  if (err) return console.error(err);28  console.log('Test submitted

Using AI Code Generation

1var wpt = require('webpagetest');2var program = require('commander');3    .version('0.0.1')4    .option('--url <s>', 'url to test')5    .option('--video', 'video enabled')6    .option('--audio', 'audio enabled')7    .option('--test [n]', 'test number', parseInt)8    .parse(process.argv);9var options = {10};

Using AI Code Generation

1var wpt = require('webpagetest');2var options = {3};4var webpagetest = wpt(options);5}, function(err, data) {6  if (err) return console.error(err);7  console.log('Test Results for: ' + data.data.url);8  console.log('First View (ms): ' + data.data.average.firstView.loadTime);9  console.log('Speed Index (ms): ' + data.data.average.firstView.SpeedIndex);10  console.log('Repeat View (ms): ' + data.data.average.repeatView.loadTime);11  console.log('Speed Index (ms): ' + data.data.average.repeatView.SpeedIndex);12  console.log('Test ID: ' + data.data.testId);13  console.log('Test URL: ' + data.data.summary);14});15var wpt = require('webpagetest');16var options = {17};18var webpagetest = wpt(options);19}, function(err, data) {20  if (err) return console.error(err);21  console.log('Test Results for: ' + data.data.url);22  console.log('First View (ms): ' + data.data.average.firstView.loadTime);23  console.log('Speed Index (ms): ' + data.data.average.firstView.SpeedIndex);24  console.log('Repeat View (ms): ' + data.data.average.repeatView.loadTime);25  console.log('Speed Index (ms): ' + data.data.average.repeatView.SpeedIndex);26  console.log('Test

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