Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use doOfferAnswerExchange method in wpt

Best JavaScript code snippet using wpt

RTCRtpParameters-helper.js

Source:RTCRtpParameters-helper.js

...5// This file depends on dictionary-helper.js which should6// be loaded from the main HTML file.7// An offer/answer exchange is necessary for getParameters() to have any8// negotiated parameters to return.9async function doOfferAnswerExchange(t, caller) {10  const callee = new RTCPeerConnection();11  t.add_cleanup(() => callee.close());12  const offer = await caller.createOffer();13  await caller.setLocalDescription(offer);14  await callee.setRemoteDescription(offer);15  const answer = await callee.createAnswer();16  await callee.setLocalDescription(answer);17  await caller.setRemoteDescription(answer);18  return callee;19}20/*21  Validates the RTCRtpParameters returned from RTCRtpSender.prototype.getParameters22  5.2.  RTCRtpSender Interface23    getParameters24      - transactionId is set to a new unique identifier, used to match this getParameters25        call to a setParameters call that may occur later.26      - encodings is set to the value of the [[SendEncodings]] internal slot.27      - The headerExtensions sequence is populated based on the header extensions that28        have been negotiated for sending.29      - The codecs sequence is populated based on the codecs that have been negotiated30        for sending, and which the user agent is currently capable of sending. If31        setParameters has removed or reordered codecs, getParameters MUST return the32        shortened/reordered list. However, every time codecs are renegotiated by a33        new offer/answer exchange, the list of codecs MUST be restored to the full34        negotiated set, in the priority order indicated by the remote description,35        in effect discarding the effects of setParameters.36      - rtcp.cname is set to the CNAME of the associated RTCPeerConnection. rtcp.reducedSize37        is set to true if reduced-size RTCP has been negotiated for sending, and false otherwise.38 */39function validateSenderRtpParameters(param) {40  validateRtpParameters(param);41  assert_array_field(param, 'encodings');42  for(const encoding of param.encodings) {43    validateEncodingParameters(encoding);44  }45  assert_not_equals(param.transactionId, undefined,46    'Expect sender param.transactionId to be set');47  assert_not_equals(param.rtcp.cname, undefined,48    'Expect sender param.rtcp.cname to be set');49  assert_not_equals(param.rtcp.reducedSize, undefined,50    'Expect sender param.rtcp.reducedSize to be set to either true or false');51}52/*53  Validates the RTCRtpParameters returned from RTCRtpReceiver.prototype.getParameters54  5.3.  RTCRtpReceiver Interface55    getParameters56      When getParameters is called, the RTCRtpParameters dictionary is constructed57      as follows:58      - The headerExtensions sequence is populated based on the header extensions that59        the receiver is currently prepared to receive.60      - The codecs sequence is populated based on the codecs that the receiver is currently61        prepared to receive.62      - rtcp.reducedSize is set to true if the receiver is currently prepared to receive63        reduced-size RTCP packets, and false otherwise. rtcp.cname is left undefined.64      - transactionId is left undefined.65 */66function validateReceiverRtpParameters(param) {67  validateRtpParameters(param);68  assert_equals(param.transactionId, undefined,69    'Expect receiver param.transactionId to be unset');70  assert_not_equals(param.rtcp.reducedSize, undefined,71    'Expect receiver param.rtcp.reducedSize to be set');72  assert_equals(param.rtcp.cname, undefined,73    'Expect receiver param.rtcp.cname to be unset');74}75/*76  dictionary RTCRtpParameters {77    DOMString                                 transactionId;78    sequence<RTCRtpEncodingParameters>        encodings;79    sequence<RTCRtpHeaderExtensionParameters> headerExtensions;80    RTCRtcpParameters                         rtcp;81    sequence<RTCRtpCodecParameters>           codecs;82  };83 */84function validateRtpParameters(param) {85  assert_optional_string_field(param, 'transactionId');86  assert_array_field(param, 'headerExtensions');87  for(const headerExt of param.headerExtensions) {88    validateHeaderExtensionParameters(headerExt);89  }90  assert_dict_field(param, 'rtcp');91  validateRtcpParameters(param.rtcp);92  assert_array_field(param, 'codecs');93  for(const codec of param.codecs) {94    validateCodecParameters(codec);95  }96}97/*98  dictionary RTCRtpEncodingParameters {99    boolean             active;100    unsigned long       maxBitrate;101    [readonly]102    DOMString           rid;103    double              scaleResolutionDownBy;104  };105 */106function validateEncodingParameters(encoding) {107  assert_optional_boolean_field(encoding, 'active');108  assert_optional_unsigned_int_field(encoding, 'maxBitrate');109  assert_optional_string_field(encoding, 'rid');110  assert_optional_number_field(encoding, 'scaleResolutionDownBy');111}112/*113  dictionary RTCRtcpParameters {114    [readonly]115    DOMString cname;116    [readonly]117    boolean   reducedSize;118  };119 */120function validateRtcpParameters(rtcp) {121  assert_optional_string_field(rtcp, 'cname');122  assert_optional_boolean_field(rtcp, 'reducedSize');123}124/*125  dictionary RTCRtpHeaderExtensionParameters {126    [readonly]127    DOMString      uri;128    [readonly]129    unsigned short id;130    [readonly]131    boolean        encrypted;132  };133 */134function validateHeaderExtensionParameters(headerExt) {135  assert_optional_string_field(headerExt, 'uri');136  assert_optional_unsigned_int_field(headerExt, 'id');137  assert_optional_boolean_field(headerExt, 'encrypted');138}139/*140  dictionary RTCRtpCodecParameters {141    [readonly]142    unsigned short payloadType;143    [readonly]144    DOMString      mimeType;145    [readonly]146    unsigned long  clockRate;147    [readonly]148    unsigned short channels;149    [readonly]150    DOMString      sdpFmtpLine;151  };152 */153function validateCodecParameters(codec) {154  assert_optional_unsigned_int_field(codec, 'payloadType');155  assert_optional_string_field(codec, 'mimeType');156  assert_optional_unsigned_int_field(codec, 'clockRate');157  assert_optional_unsigned_int_field(codec, 'channels');158  assert_optional_string_field(codec, 'sdpFmtpLine');159}160// Get the first encoding in param.encodings.161// Asserts that param.encodings has at least one element.162function getFirstEncoding(param) {163  const {164    encodings165  } = param;166  assert_equals(encodings.length, 1);167  return encodings[0];168}169// Helper function to test that modifying an encoding field should succeed170function test_modified_encoding(kind, field, value1, value2, desc) {171  promise_test(async t => {172    const pc = new RTCPeerConnection();173    t.add_cleanup(() => pc.close());174    const {175      sender176    } = pc.addTransceiver(kind, {177      sendEncodings: [{178        [field]: value1179      }]180    });181    await doOfferAnswerExchange(t, pc);182    const param1 = sender.getParameters();183    validateSenderRtpParameters(param1);184    const encoding1 = getFirstEncoding(param1);185    assert_equals(encoding1[field], value1);186    encoding1[field] = value2;187    await sender.setParameters(param1);188    const param2 = sender.getParameters();189    validateSenderRtpParameters(param2);190    const encoding2 = getFirstEncoding(param2);191    assert_equals(encoding2[field], value2);192  }, desc + ' with RTCRtpTransceiverInit');193  promise_test(async t => {194    const pc = new RTCPeerConnection();195    t.add_cleanup(() => pc.close());196    const {197      sender198    } = pc.addTransceiver(kind);199    await doOfferAnswerExchange(t, pc);200    const initParam = sender.getParameters();201    validateSenderRtpParameters(initParam);202    initParam.encodings[0][field] = value1;203    await sender.setParameters(initParam);204    const param1 = sender.getParameters();205    validateSenderRtpParameters(param1);206    const encoding1 = getFirstEncoding(param1);207    assert_equals(encoding1[field], value1);208    encoding1[field] = value2;209    await sender.setParameters(param1);210    const param2 = sender.getParameters();211    validateSenderRtpParameters(param2);212    const encoding2 = getFirstEncoding(param2);213    assert_equals(encoding2[field], value2);...

Using AI Code Generation

1var wptoolkit = require('wptoolkit');2var offer = "offer";3var answer = "answer";4var exchange = wptoolkit.doOfferAnswerExchange(offer, answer);5console.log(exchange);6var wptoolkit = require('wptoolkit');7var offer = "offer";8var answer = "answer";9var exchange = wptoolkit.doOfferAnswerExchange(offer, answer);10console.log(exchange);11var wptoolkit = require('wptoolkit');12var offer = "offer";13var answer = "answer";14var exchange = wptoolkit.doOfferAnswerExchange(offer, answer);15console.log(exchange);16var wptoolkit = require('wptoolkit');17var offer = "offer";18var answer = "answer";19var exchange = wptoolkit.doOfferAnswerExchange(offer, answer);20console.log(exchange);21var wptoolkit = require('wptoolkit');22var offer = "offer";23var answer = "answer";24var exchange = wptoolkit.doOfferAnswerExchange(offer, answer);25console.log(exchange);26var wptoolkit = require('wptoolkit');27var offer = "offer";28var answer = "answer";29var exchange = wptoolkit.doOfferAnswerExchange(offer, answer);30console.log(exchange);31var wptoolkit = require('wptoolkit');32var offer = "offer";33var answer = "answer";34var exchange = wptoolkit.doOfferAnswerExchange(offer, answer);35console.log(exchange);

Using AI Code Generation

1var test = async_test('Create offer, setLocalDescription, setRemoteDescription, create answer, setLocalDescription, setRemoteDescription');2var pc1 = new RTCPeerConnection();3var pc2 = new RTCPeerConnection();4var offer = await pc1.createOffer();5await pc1.setLocalDescription(offer);6await pc2.setRemoteDescription(offer);7var answer = await pc2.createAnswer();8await pc2.setLocalDescription(answer);9await pc1.setRemoteDescription(answer);10test.done();

Using AI Code Generation

1var offer = await pc.createOffer();2var answer = await pc.createAnswer();3var answer2 = await pc2.createAnswer();4await pc.setLocalDescription(offer);5await pc2.setLocalDescription(answer);6await pc.setRemoteDescription(answer2);7await pc2.setRemoteDescription(offer);8const pc = new RTCPeerConnection();9const pc2 = new RTCPeerConnection();10const offer = await pc.createOffer();11await pc.setLocalDescription(offer);12await pc2.setRemoteDescription(offer);13const answer = await pc2.createAnswer();14await pc2.setLocalDescription(answer);15await pc.setRemoteDescription(answer);

Using AI Code Generation

1var wptp = require('wptp');2var peer = new wptp.Peer();3var offer = peer.createOffer();4var offerString = offer.toString();5var answer = peer.createAnswer(offerString);6var answerString = answer.toString();7var answer2 = peer.createAnswer(offerString);8var answerString2 = answer2.toString();9peer.doOfferAnswerExchange(offerString, answerString);10peer.doOfferAnswerExchange(offerString, answerString2);11peer.doOfferAnswerExchange(answerString, offerString);12peer.doOfferAnswerExchange(answerString2, offerString);13peer.doOfferAnswerExchange(answerString, answerString2);14peer.doOfferAnswerExchange(answerString2, answerString);15peer.doOfferAnswerExchange(offerString, offerString);16peer.doOfferAnswerExchange(offerString, offerString);17peer.doOfferAnswerExchange(answerString, answerString);18peer.doOfferAnswerExchange(answerString2, answerString2);19peer.doOfferAnswerExchange(offerString, answerString);20peer.doOfferAnswerExchange(offerString, answerString2);21peer.doOfferAnswerExchange(answerString, offerString);22peer.doOfferAnswerExchange(answerString2, offerString);23peer.doOfferAnswerExchange(answerString, answerString2);24peer.doOfferAnswerExchange(answerString2, answerString);25peer.doOfferAnswerExchange(offerString, offerString);26peer.doOfferAnswerExchange(offerString, offerString);27peer.doOfferAnswerExchange(answerString, answerString);28peer.doOfferAnswerExchange(answerString2, answerString2);29peer.doOfferAnswerExchange(offerString, answerString);30peer.doOfferAnswerExchange(offerString, answerString2);31peer.doOfferAnswerExchange(answerString, offerString

Using AI Code Generation

1var pc1 = new RTCPeerConnection();2var pc2 = new RTCPeerConnection();3var offer;4var answer;5pc1.createOffer()6.then(function(o) {7  offer = o;8  return pc1.setLocalDescription(o);9})10.then(function() {11  return pc2.setRemoteDescription(offer);12})13.then(function() {14  return pc2.createAnswer();15})16.then(function(a) {17  answer = a;18  return pc2.setLocalDescription(a);19})20.then(function() {21  return pc1.setRemoteDescription(answer);22})23.then(function() {24  test.done();25})26.catch(function(e) {27  test.step(function() {28    assert_unreached("Unexpected error: " + e);29  });30  test.done();31});32The test will pass if the following line is added after the call to pc2.setLocalDescription(a):33return pc2.setRemoteDescription(answer);34The test will also pass if the following line is added after the call to pc1.setRemoteDescription(answer):35return pc1.setLocalDescription(offer);36The test will also pass if the following line is added after the call to pc1.setRemoteDescription(answer):37return pc1.setLocalDescription(answer);

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.