How to use computeAdditionalData method in wpt

Best JavaScript code snippet using wpt

RTCPeerConnection-insertable-streams.js

Source:RTCPeerConnection-insertable-streams.js

...143// Compute the buffer reported in the additionalData field using the metadata144// provided by a video frame.145// Based on the webrtc::RtpDescriptorAuthentication() C++ function at146// https://source.chromium.org/chromium/chromium/src/+/master:third_party/webrtc/modules/rtp_rtcp/source/rtp_descriptor_authentication.cc147function computeAdditionalData(videoFrame) {148  const kMaxSpatialLayers = 8;149  const kMaxTemporalLayers = 8;150  const kMaxNumFrameDependencies = 8;151  const metadata = videoFrame.getMetadata();152  if (metadata.spatialIndex < 0 ||153      metadata.temporalIndex < 0 ||154      metadata.spatialIndex >= kMaxSpatialLayers ||155      metadata.temporalIndex >= kMaxTemporalLayers ||156      metadata.dependencies.length > kMaxNumFrameDependencies) {157    return new ArrayBuffer(0);158  }159  const descriptor = createFrameDescriptor(videoFrame);160  const size = additionalDataSize(descriptor);161  const additionalData = new ArrayBuffer(size);162  const data = new Uint8Array(additionalData);163  const kFlagBeginOfSubframe = 0x80;164  const kFlagEndOfSubframe = 0x40;165  const kFlagFirstSubframeV00 = 0x20;166  const kFlagLastSubframeV00 = 0x10;167  const kFlagDependencies = 0x08;168  const kFlagMoreDependencies = 0x01;169  const kFlageXtendedOffset = 0x02;170  let baseHeader =171    (descriptor.beginningOfSubFrame ? kFlagBeginOfSubframe : 0) |172    (descriptor.endOfSubFrame ? kFlagEndOfSubframe : 0);173  baseHeader |= kFlagFirstSubframeV00;174  baseHeader |= kFlagLastSubframeV00;175  if (!descriptor.beginningOfSubFrame) {176    data[0] = baseHeader;177    return additionalData;178  }179  data[0] =180      baseHeader |181      (descriptor.frameDependenciesDiffs.length == 0 ? 0 : kFlagDependencies) |182      descriptor.temporalLayer;183  data[1] = descriptor.spatialLayers;184  data[2] = descriptor.frameId & 0xFF;185  data[3] = descriptor.frameId >> 8;186  const fdiffs = descriptor.frameDependenciesDiffs;187  let offset = 4;188  if (descriptor.beginningOfSubFrame &&189      fdiffs.length == 0 &&190      descriptor.width > 0 &&191      descriptor.height > 0) {192    data[offset++] = (descriptor.width >> 8);193    data[offset++] = (descriptor.width & 0xFF);194    data[offset++] = (descriptor.height >> 8);195    data[offset++] = (descriptor.height & 0xFF);196  }197  for (let i = 0; i < fdiffs.length; i++) {198    const extended = fdiffs[i] >= (1 << 6);199    const more = i < fdiffs.length - 1;200    data[offset++] = ((fdiffs[i] & 0x3f) << 2) |201                     (extended ? kFlageXtendedOffset : 0) |202                     (more ? kFlagMoreDependencies : 0);203    if (extended) {204      data[offset++] = fdiffs[i] >> 6;205    }206  }207  return additionalData;208}209function verifyNonstandardAdditionalDataIfPresent(videoFrame) {210  if (videoFrame.additionalData === undefined)211    return;212  const computedData = computeAdditionalData(videoFrame);213  assert_true(areArrayBuffersEqual(videoFrame.additionalData, computedData));...

tle.js

Source:tle.js

...13	var tleLine2 = (lines.length == 3) ? lines[2] : lines[1];14	15	KMG.tle.parseTleLine1(tleLine1, data);16	KMG.tle.parseTleLine2(tleLine2, data);17	KMG.tle.computeAdditionalData(data);18	19	return data;20}21KMG.tle.computeAdditionalData = function(data) {22	data.epochStart = KMG.tle.dayNumberTle(2000 + data.epochYear, data.epochDay);23	data.epochNow = KMG.tle.dayNumberNow();24	data.epoch = data.epochStart + 2451545 - 1.5;25	data.periodHours = (1440/((1*data.meanMotion)+(data.derivativeOfMeanMotion*(data.epochNow-data.epochStart )))) /60;26	data.semiMajorAxis = Math.pow((6028.9* (data.periodHours*60)), 2.0 / 3.0) / 149597870.700;27	data.period = data.periodHours / 24;28	data.longitudeOfPerihelion = 0;29}30KMG.tle.parseTleLine1 = function(tleLine1, data) {31	data.satelliteNumber = tleLine1.substring(2, 7);...

Using AI Code Generation

1var wpt = require('webpagetest');2var wpt = new WebPageTest('www.webpagetest.org');3  if (err) {4    console.log("Error: " + err);5  } else {6    console.log(data);7  }8});9var wpt = require('webpagetest');10var wpt = new WebPageTest('www.webpagetest.org');11wpt.getLocations(function(err, data) {12  if (err) {13    console.log("Error: " + err);14  } else {15    console.log(data);16  }17});18var wpt = require('webpagetest');19var wpt = new WebPageTest('www.webpagetest.org');20wpt.getTesters(function(err, data) {21  if (err) {22    console.log("Error: " + err);23  } else {24    console.log(data);25  }26});27var wpt = require('webpagetest');28var wpt = new WebPageTest('www.webpagetest.org');29wpt.getTestResults("140419_7C_8b0a7b4a0d1d1c2a8c2e7d9f9b9a9e2c", function(err, data) {30  if (err) {31    console.log("Error: " + err);32  } else {33    console.log(data);34  }35});36var wpt = require('webpagetest');37var wpt = new WebPageTest('www.webpagetest.org');38wpt.getTestStatus("140419_7C_8b0a7b4a0d1d1c2a8c2e7d9f9b9a9e2c", function(err, data) {39  if (err) {40    console.log("Error: " + err);41  } else {42    console.log(data);43  }44});45var wpt = require('webpagetest');46var wpt = new WebPageTest('www.webpagetest.org');

Using AI Code Generation

1var wpt = require('webpagetest');2var wpt = new WebPageTest('www.webpagetest.org', 'A.12345678901234567890123456789012');3wpt.computeAdditionalData('www.webpagetest.org', 'A.12345678901234567890123456789012', {medianMetric: 'firstView.SpeedIndex', medianMetricRun: 1}, function(err, data) {4    console.log(data);5});6var wpt = require('webpagetest');7var wpt = new WebPageTest('www.webpagetest.org', 'A.12345678901234567890123456789012');8wpt.computeAdditionalData('www.webpagetest.org', 'A.12345678901234567890123456789012', {medianMetric: 'firstView.SpeedIndex', medianMetricRun: 1, medianMetricOptions: {ignoreSSL: true}}, function(err, data) {9    console.log(data);10});11var wpt = require('webpagetest');12var wpt = new WebPageTest('www.webpagetest.org', 'A.12345678901234567890123456789012');13wpt.computeAdditionalData('www.webpagetest.org', 'A.12345678901234567890123456789012', {medianMetric: 'firstView.SpeedIndex', medianMetricRun: 1, medianMetricOptions: {ignoreSSL: true, ignoreSSL: true}}, function(err, data) {14    console.log(data);15});16var wpt = require('webpagetest');17var wpt = new WebPageTest('www.webpagetest.org', 'A.12345678901234567890123456789012');18wpt.computeAdditionalData('www.webpagetest.org', 'A.12345678901234567890123456789012', {medianMetric: '

Using AI Code Generation

1var wpt = require('webpagetest');2var test = wpt('API_KEY');3    if (err) {4        console.log(err);5    } else {6        console.log(data);7    }8});9var wpt = require('webpagetest');10var test = wpt('API_KEY');11    if (err) {12        console.log(err);13    } else {14        console.log(data);15    }16});17var wpt = require('webpagetest');18var test = wpt('API_KEY');19    if (err) {20        console.log(err);21    } else {22        console.log(data);23    }24});25var wpt = require('webpagetest');26var test = wpt('API_KEY');27    if (err) {28        console.log(err);29    } else {30        console.log(data);31    }32});33var wpt = require('webpagetest');34var test = wpt('API_KEY');35    if (err) {36        console.log(err);37    } else {38        console.log(data);39    }40});41var wpt = require('webpagetest');42var test = wpt('API_KEY');

Using AI Code Generation

1var wptHook = require('wptHook'); 2wptHook.computeAdditionalData('test', 'test', 'test', 'test', function(err, data){3    console.log(data);4});5var wptHook = function(){6    var computeAdditionalData = function(testName, testGroup, testRun, testResult, callback){7        callback(null, 'test');8    };9    return {10    };11}();12module.exports = wptHook;13var wptHook = require('wptHook');14module.exports = wptHook;15var wptHook = function(){ ... }();16module.exports = wptHook;17var wptHook = function(){18    var computeAdditionalData = function(testName, testGroup, testRun, testResult, callback){19        callback(null, 'test');20    };21    return {22    };23}();24module.exports = wptHook;25var wptHook = function(){26    var computeAdditionalData = function(testName, testGroup, testRun, testResult, callback){27        callback(null, 'test');28    };29    return {30    };31};32module.exports = wptHook;33Thanks for the answer. I have a few questions: I am not able to understand what does return { computeAdditionalData: computeAdditionalData } do? Also, I am not able to understand why the first line is not returning anything?

Using AI Code Generation

1const wpt = require( "wpt-api-client" );2const test = new wpt.Test( "test" );3const additionalData = [];4additionalData.push( {5} );6additionalData.push( {7} );8test.computeAdditionalData( additionalData )9  .then( ( ) => {10    console.log( "additional data computed successfully" );11  } )12  .catch( ( err ) => {13    console.log( "error while computing additional data: " + err );14  } );15console.log( test.additionalData );16console.log( test.additionalDataArray );

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.