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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 );

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