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Signaling.html
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Signaling.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<!-- Adding favicon -->
<!-- Adding meta -->
<!-- Adding external script-->
<!-- Adding external style-->
<!-- Adding scripts-->
<!-- Adding style-->
<!-- Adding overlay script-->
<!-- Adding overlay style-->
<title>
Signaling
</title>
<!--[if lt IE 9]>
<script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
<link type="text/css" rel="stylesheet" href="styles/third-party/ionicons.min.css">
<link type="text/css" rel="stylesheet" href="styles/third-party/prettify-tomorrow.css">
<link type="text/css" rel="stylesheet" href="styles/reset.css">
<link type="text/css" rel="stylesheet" href="styles/clean-jsdoc-theme-base.css">
<link type="text/css" rel="stylesheet" href="styles/clean-jsdoc-theme-light.css">
<svg aria-hidden="true" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"
style="display:none">
<defs>
<symbol id="copy-icon" viewbox="0 0 488.3 488.3">
<g>
<path
d="M314.25,85.4h-227c-21.3,0-38.6,17.3-38.6,38.6v325.7c0,21.3,17.3,38.6,38.6,38.6h227c21.3,0,38.6-17.3,38.6-38.6V124 C352.75,102.7,335.45,85.4,314.25,85.4z M325.75,449.6c0,6.4-5.2,11.6-11.6,11.6h-227c-6.4,0-11.6-5.2-11.6-11.6V124 c0-6.4,5.2-11.6,11.6-11.6h227c6.4,0,11.6,5.2,11.6,11.6V449.6z" />
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d="M225.474,0C101.151,0,0,101.151,0,225.474c0,124.33,101.151,225.474,225.474,225.474 c124.33,0,225.474-101.144,225.474-225.474C450.948,101.151,349.804,0,225.474,0z M225.474,409.323 c-101.373,0-183.848-82.475-183.848-183.848S124.101,41.626,225.474,41.626s183.848,82.475,183.848,183.848 S326.847,409.323,225.474,409.323z" />
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<symbol id="down-icon" viewBox="0 0 16 16">
<path
fill-rule="evenodd"
clip-rule="evenodd"
d="M12.7803 6.21967C13.0732 6.51256 13.0732 6.98744 12.7803 7.28033L8.53033 11.5303C8.23744 11.8232 7.76256 11.8232 7.46967 11.5303L3.21967 7.28033C2.92678 6.98744 2.92678 6.51256 3.21967 6.21967C3.51256 5.92678 3.98744 5.92678 4.28033 6.21967L8 9.93934L11.7197 6.21967C12.0126 5.92678 12.4874 5.92678 12.7803 6.21967Z"
>
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</defs>
</svg>
</head>
<body>
<nav class="navbar" id="navbar">
<div class="navbar-heading" id="navbar-heading"><a href="index.html"><h2 class="navbar-heading-text">JavaScript SDK</h2></a></div><div class="search-box" id="search-box"><div class="search-box-input-container"><input class="search-box-input" type="text" placeholder="Search..." id="search-box-input" /><svg class="search-icon" alt="search-icon"><use xlink:href="#search-icon"></use></svg></div><div class="search-item-container" id="search-item-container"><ul class="search-item-ul" id="search-item-ul"></ul></div></div><div class="sidebar-main-content" id="sidebar-main-content"><div class="accordion collapsed" id="7557599" > <h3 class="accordion-heading">Modules<svg><use xlink:href="#down-icon"></use></svg></h3><ul class="accordion-content"><li class="accordion collapsed child" id=8443790><div class="accordion-heading child"><a href="module-Director.html">Director</a><svg><use xlink:href="#down-icon"></use></svg></div><ul class='methods accordion-content'><li data-type='method'><a href="module-Director.html#~getEndpoint">getEndpoint</a></li><li data-type='method'><a href="module-Director.html#~getLiveDomain">getLiveDomain</a></li><li data-type='method'><a href="module-Director.html#~getPublisher">getPublisher</a></li><li data-type='method'><a href="module-Director.html#~getSubscriber">getSubscriber</a></li><li data-type='method'><a href="module-Director.html#~setEndpoint">setEndpoint</a></li><li data-type='method'><a href="module-Director.html#~setLiveDomain">setLiveDomain</a></li></ul></li><li class="accordion collapsed child" id=5836212><div class="accordion-heading child"><a href="module-Logger.html">Logger</a><svg><use xlink:href="#down-icon"></use></svg></div><ul class='methods accordion-content'><li data-type='method'><a href="module-Logger.html#~get">get</a></li><li data-type='method'><a href="module-Logger.html#~getHistory">getHistory</a></li><li data-type='method'><a href="module-Logger.html#~getHistoryMaxSize">getHistoryMaxSize</a></li><li data-type='method'><a href="module-Logger.html#~getLevel">getLevel</a></li><li data-type='method'><a href="module-Logger.html#~setHandler">setHandler</a></li><li data-type='method'><a href="module-Logger.html#~setHistoryMaxSize">setHistoryMaxSize</a></li><li data-type='method'><a href="module-Logger.html#~setLevel">setLevel</a></li></ul></li><li class="accordion collapsed child" id=810655><div class="accordion-heading child"><a href="module-SdpParser.html">SdpParser</a><svg><use xlink:href="#down-icon"></use></svg></div><ul class='methods accordion-content'><li data-type='method'><a href="module-SdpParser.html#~adaptCodecName">adaptCodecName</a></li><li data-type='method'><a href="module-SdpParser.html#~getAvailableHeaderExtensionIdRange">getAvailableHeaderExtensionIdRange</a></li><li data-type='method'><a href="module-SdpParser.html#~getAvailablePayloadTypeRange">getAvailablePayloadTypeRange</a></li><li data-type='method'><a href="module-SdpParser.html#~removeSdpLine">removeSdpLine</a></li><li data-type='method'><a href="module-SdpParser.html#~renegotiate">renegotiate</a></li><li data-type='method'><a href="module-SdpParser.html#~setAbsoluteCaptureTime">setAbsoluteCaptureTime</a></li><li data-type='method'><a href="module-SdpParser.html#~setDependencyDescriptor">setDependencyDescriptor</a></li><li data-type='method'><a href="module-SdpParser.html#~setDTX">setDTX</a></li><li data-type='method'><a href="module-SdpParser.html#~setMultiopus">setMultiopus</a></li><li data-type='method'><a href="module-SdpParser.html#~setSimulcast">setSimulcast</a></li><li data-type='method'><a href="module-SdpParser.html#~setStereo">setStereo</a></li><li data-type='method'><a href="module-SdpParser.html#~setVideoBitrate">setVideoBitrate</a></li><li data-type='method'><a href="module-SdpParser.html#~updateMissingVideoExtensions">updateMissingVideoExtensions</a></li></ul></li></ul> </div><div class="accordion collapsed" id="1490423" > <h3 class="accordion-heading">Classes<svg><use xlink:href="#down-icon"></use></svg></h3><ul class="accordion-content"><li class="accordion collapsed child" id=4205529><div class="accordion-heading child"><a href="BaseWebRTC.html">BaseWebRTC</a><svg><use xlink:href="#down-icon"></use></svg></div><ul class='methods accordion-content'><li data-type='method'><a href="BaseWebRTC.html#getRTCPeerConnection">getRTCPeerConnection</a></li><li data-type='method'><a href="BaseWebRTC.html#isActive">isActive</a></li><li data-type='method'><a href="BaseWebRTC.html#reconnect">reconnect</a></li><li data-type='method'><a href="BaseWebRTC.html#setReconnect">setReconnect</a></li><li data-type='method'><a href="BaseWebRTC.html#stop">stop</a></li></ul></li><li class="accordion collapsed child" id=8899913><div class="accordion-heading child"><a href="PeerConnection.html">PeerConnection</a><svg><use xlink:href="#down-icon"></use></svg></div><ul class='methods accordion-content'><li data-type='method'><a href="PeerConnection.html#.getCapabilities">getCapabilities</a></li><li data-type='method'><a href="PeerConnection.html#addRemoteTrack">addRemoteTrack</a></li><li data-type='method'><a href="PeerConnection.html#closeRTCPeer">closeRTCPeer</a></li><li data-type='method'><a href="PeerConnection.html#createRTCPeer">createRTCPeer</a></li><li data-type='method'><a href="PeerConnection.html#getRTCLocalSDP">getRTCLocalSDP</a></li><li data-type='method'><a href="PeerConnection.html#getRTCPeer">getRTCPeer</a></li><li data-type='method'><a href="PeerConnection.html#getRTCPeerStatus">getRTCPeerStatus</a></li><li data-type='method'><a href="PeerConnection.html#getTracks">getTracks</a></li><li data-type='method'><a href="PeerConnection.html#initStats">initStats</a></li><li data-type='method'><a href="PeerConnection.html#replaceTrack">replaceTrack</a></li><li data-type='method'><a href="PeerConnection.html#setRTCRemoteSDP">setRTCRemoteSDP</a></li><li data-type='method'><a href="PeerConnection.html#stopStats">stopStats</a></li><li data-type='method'><a href="PeerConnection.html#updateBandwidthRestriction">updateBandwidthRestriction</a></li><li data-type='method'><a href="PeerConnection.html#updateBitrate">updateBitrate</a></li></ul></li><li class="accordion collapsed child" id=281125><div class="accordion-heading child"><a href="Publish.html">Publish</a><svg><use xlink:href="#down-icon"></use></svg></div><ul class='methods accordion-content'><li data-type='method'><a href="Publish.html#connect">connect</a></li><li data-type='method'><a href="Publish.html#getRTCPeerConnection">getRTCPeerConnection</a></li><li data-type='method'><a href="Publish.html#isActive">isActive</a></li><li data-type='method'><a href="Publish.html#reconnect">reconnect</a></li><li data-type='method'><a href="Publish.html#record">record</a></li><li data-type='method'><a href="Publish.html#setReconnect">setReconnect</a></li><li data-type='method'><a href="Publish.html#stop">stop</a></li><li data-type='method'><a href="Publish.html#unrecord">unrecord</a></li></ul></li><li class="accordion collapsed child" id=6958554><div class="accordion-heading child"><a href="Signaling.html">Signaling</a><svg><use xlink:href="#down-icon"></use></svg></div><ul class='methods accordion-content'><li data-type='method'><a href="Signaling.html#close">close</a></li><li data-type='method'><a href="Signaling.html#cmd">cmd</a></li><li data-type='method'><a href="Signaling.html#connect">connect</a></li><li data-type='method'><a href="Signaling.html#publish">publish</a></li><li data-type='method'><a href="Signaling.html#subscribe">subscribe</a></li></ul></li><li class="accordion collapsed child" id=3108999><div class="accordion-heading child"><a href="StreamEvents.html">StreamEvents</a><svg><use xlink:href="#down-icon"></use></svg></div><ul class='methods accordion-content'><li data-type='method'><a href="StreamEvents.html#.getEventsLocation">getEventsLocation</a></li><li data-type='method'><a href="StreamEvents.html#.init">init</a></li><li data-type='method'><a href="StreamEvents.html#.setEventsLocation">setEventsLocation</a></li><li data-type='method'><a href="StreamEvents.html#onUserCount">onUserCount</a></li><li data-type='method'><a href="StreamEvents.html#stop">stop</a></li></ul></li><li class="accordion collapsed child" id=9464527><div class="accordion-heading child"><a href="View.html">View</a><svg><use xlink:href="#down-icon"></use></svg></div><ul class='methods accordion-content'><li data-type='method'><a href="View.html#addRemoteTrack">addRemoteTrack</a></li><li data-type='method'><a href="View.html#connect">connect</a></li><li data-type='method'><a href="View.html#getRTCPeerConnection">getRTCPeerConnection</a></li><li data-type='method'><a href="View.html#isActive">isActive</a></li><li data-type='method'><a href="View.html#project">project</a></li><li data-type='method'><a href="View.html#reconnect">reconnect</a></li><li data-type='method'><a href="View.html#select">select</a></li><li data-type='method'><a href="View.html#setReconnect">setReconnect</a></li><li data-type='method'><a href="View.html#stop">stop</a></li><li data-type='method'><a href="View.html#unproject">unproject</a></li></ul></li></ul> </div><div class="accordion collapsed" id="2939770" > <h3 class="accordion-heading">Events<svg><use xlink:href="#down-icon"></use></svg></h3><ul class="accordion-content"><li class="accordion-list" id=""><a href="BaseWebRTC.html#event:reconnect">reconnect</a></li><li class="accordion-list" id=""><a href="PeerConnection.html#event:connectionStateChange">connectionStateChange</a></li><li class="accordion-list" id=""><a href="PeerConnection.html#event:stats">stats</a></li><li class="accordion-list" id=""><a href="PeerConnection.html#event:track">track</a></li><li class="accordion-list" id=""><a href="Publish.html#event:reconnect">reconnect</a></li><li class="accordion-list" id=""><a href="Signaling.html#event:broadcastEvent">broadcastEvent</a></li><li class="accordion-list" id=""><a href="Signaling.html#event:wsConnectionClose">wsConnectionClose</a></li><li class="accordion-list" id=""><a href="Signaling.html#event:wsConnectionError">wsConnectionError</a></li><li class="accordion-list" id=""><a href="Signaling.html#event:wsConnectionSuccess">wsConnectionSuccess</a></li><li class="accordion-list" id=""><a href="View.html#event:reconnect">reconnect</a></li></ul> </div><div class="accordion collapsed" id="3049150" > <h3 class="accordion-heading">Global<svg><use xlink:href="#down-icon"></use></svg></h3><ul class="accordion-content"><li class="accordion-list" id=""><a href="global.html#addCandidateReport">addCandidateReport</a></li><li class="accordion-list" id=""><a href="global.html#addInboundRtpReport">addInboundRtpReport</a></li><li class="accordion-list" id=""><a href="global.html#addOutboundRtpReport">addOutboundRtpReport</a></li><li class="accordion-list" id=""><a href="global.html#addPeerEvents">addPeerEvents</a></li><li class="accordion-list" id=""><a href="global.html#AudioCodec">AudioCodec</a></li><li class="accordion-list" id=""><a href="global.html#calculatePacketsLostDelta">calculatePacketsLostDelta</a></li><li class="accordion-list" id=""><a href="global.html#calculatePacketsLostRatio">calculatePacketsLostRatio</a></li><li class="accordion-list" id=""><a href="global.html#ConnectionStats">ConnectionStats</a></li><li class="accordion-list" id=""><a href="global.html#DirectorPublisherOptions">DirectorPublisherOptions</a></li><li class="accordion-list" id=""><a href="global.html#DirectorSubscriberOptions">DirectorSubscriberOptions</a></li><li class="accordion-list" id=""><a href="global.html#getBaseRtpReportData">getBaseRtpReportData</a></li><li class="accordion-list" id=""><a href="global.html#getCodecData">getCodecData</a></li><li 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href="global.html#tokenGeneratorCallback">tokenGeneratorCallback</a></li><li class="accordion-list" id=""><a href="global.html#TrackReport">TrackReport</a></li><li class="accordion-list" id=""><a href="global.html#VideoCodec">VideoCodec</a></li><li class="accordion-list" id=""><a href="global.html#WowzaCapability">WowzaCapability</a></li><li class="accordion-list" id=""><a href="global.html#WowzaDirectorResponse">WowzaDirectorResponse</a></li></ul> </div>
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<div>
<div class="first"></div>
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</div>
</div>
<div id="main" class="main-content">
<h1 id='page-title' class="page-title">
Signaling
</h1>
<section>
<header>
<h2>
Signaling
</h2>
<div class="class-description"><p>Start the WebSocket connection and manage the messages between peers.</p></div>
</header>
<article>
<div class="container-overview">
<h2>Constructor</h2>
<h4 class="name" id="Signaling">
<a href="#Signaling">#</a>
<span class="type-signature"></span>new Signaling<span class="signature">(options)</span><span class="type-signature"></span>
</h4>
<div class="method-member-container flex flex-col w-100 overflow-auto mt-20">
<strong>Parameters:</strong>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>options</code></td>
<td class="type">
<span class="param-type">Object</span>
</td>
<td class="description last"><p>Available signaling options.</p>
<h6>Properties</h6>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>streamName</code></td>
<td class="type">
<span class="param-type">String</span>
</td>
<td class="description last"><p>The name of the Wowza Video real-time stream.</p></td>
</tr>
<tr>
<td class="name"><code>url</code></td>
<td class="type">
<span class="param-type">String</span>
</td>
<td class="description last"><p>The WebSocket URL to signal Wowza Video and establish a WebRTC connection.</p></td>
</tr>
</tbody>
</table>
</td>
</tr>
</tbody>
</table>
</div>
<dl class="details">
<div class="details-item-container">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Signaling.js.html">Signaling.js</a>, <a href="Signaling.js.html#line43">line 43</a>
</li></ul></dd>
</div>
</dl>
<div class="method-member-container flex flex-col w-100 overflow-auto mt-20">
<strong>Example</strong>
<div class="rel">
<pre class="prettyprint"><code>const wowzaSignaling = new Signaling(options)</code></pre>
</div>
</div>
</div>
<h3 class="subsection-title">Extends</h3>
<ul>
<li>EventEmitter</li>
</ul>
<h3 class="subsection-title">Methods</h3>
<h4 class="name" id="close">
<a href="#close">#</a>
<span class="type-signature"></span>close<span class="signature">()</span><span class="type-signature"></span>
</h4>
<div class="description">
<p>Close the WebSocket connection with Wowza Video.</p>
</div>
<dl class="details">
<div class="details-item-container">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Signaling.js.html">Signaling.js</a>, <a href="Signaling.js.html#line175">line 175</a>
</li></ul></dd>
</div>
</dl>
<div class="method-member-container flex flex-col w-100 overflow-auto mt-20">
<strong>Example</strong>
<div class="rel">
<pre class="prettyprint"><code>wowzaSignaling.close()</code></pre>
</div>
</div>
<h4 class="name" id="cmd">
<a href="#cmd">#</a>
<span class="type-signature">(async) </span>cmd<span class="signature">(cmd, data<span class="signature-attributes">opt</span>)</span><span class="type-signature"> → {Promise.<Object>}</span>
</h4>
<div class="description">
<p>Send a command to the server.</p>
</div>
<div class="method-member-container flex flex-col w-100 overflow-auto mt-20">
<strong>Parameters:</strong>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Attributes</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>cmd</code></td>
<td class="type">
<span class="param-type">String</span>
</td>
<td class="attributes">
</td>
<td class="description last"><p>The command name.</p></td>
</tr>
<tr>
<td class="name"><code>data</code></td>
<td class="type">
<span class="param-type">Object</span>
</td>
<td class="attributes">
<optional><br>
</td>
<td class="description last"><p>The command parameters.</p></td>
</tr>
</tbody>
</table>
</div>
<dl class="details">
<div class="details-item-container">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Signaling.js.html">Signaling.js</a>, <a href="Signaling.js.html#line305">line 305</a>
</li></ul></dd>
</div>
</dl>
<div class="method-member-container mt-20">
<strong>Returns:</strong>
<div class="param-desc">
<p>A promise object that represents the command response.</p>
</div>
<dl class="param-type">
<dt>
Type
</dt>
<dd>
<span class="param-type">Promise.<Object></span>
</dd>
</dl>
</div>
<h4 class="name" id="connect">
<a href="#connect">#</a>
<span class="type-signature">(async) </span>connect<span class="signature">()</span><span class="type-signature"> → {Promise.<WebSocket>}</span>
</h4>
<div class="description">
<p>Start a WebSocket connection with the signaling server.</p>
</div>
<dl class="details">
<div class="details-item-container">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Signaling.js.html">Signaling.js</a>, <a href="Signaling.js.html#line78">line 78</a>
</li></ul></dd>
</div>
</dl>
<div class="method-member-container flex w-100 overflow-auto mt-20">
<strong>Fires:</strong>
<ul>
<li><a href="Signaling.html#event:wsConnectionSuccess">Signaling#event:wsConnectionSuccess</a></li>
<li><a href="Signaling.html#event:wsConnectionError">Signaling#event:wsConnectionError</a></li>
<li><a href="Signaling.html#event:wsConnectionClose">Signaling#event:wsConnectionClose</a></li>
<li><a href="Signaling.html#event:broadcastEvent">Signaling#event:broadcastEvent</a></li>
</ul>
</div>
<div class="method-member-container mt-20">
<strong>Returns:</strong>
<div class="param-desc">
<p>Promise object that represents the <a href="https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API">WebSocket object</a> of the established connection.</p>
</div>
<dl class="param-type">
<dt>
Type
</dt>
<dd>
<span class="param-type">Promise.<WebSocket></span>
</dd>
</dl>
</div>
<div class="method-member-container flex flex-col w-100 overflow-auto mt-20">
<strong>Example</strong>
<div class="rel">
<pre class="prettyprint"><code>const response = await wowzaSignaling.connect()</code></pre>
</div>
</div>
<h4 class="name" id="publish">
<a href="#publish">#</a>
<span class="type-signature">(async) </span>publish<span class="signature">(sdp, options)</span><span class="type-signature"> → {Promise.<String>}</span>
</h4>
<div class="description">
<p>Establish a WebRTC connection with Wowza Video as the Publisher role.</p>
</div>
<div class="method-member-container flex flex-col w-100 overflow-auto mt-20">
<strong>Parameters:</strong>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>sdp</code></td>
<td class="type">
<span class="param-type">String</span>
</td>
<td class="description last"><p>The SDP information created by your offer.</p></td>
</tr>
<tr>
<td class="name"><code>options</code></td>
<td class="type">
<span class="param-type"><a href="global.html#SignalingPublishOptions">SignalingPublishOptions</a></span>
</td>
<td class="description last"><p>Signaling Publish Options.</p></td>
</tr>
</tbody>
</table>
</div>
<dl class="details">
<div class="details-item-container">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Signaling.js.html">Signaling.js</a>, <a href="Signaling.js.html#line229">line 229</a>
</li></ul></dd>
</div>
</dl>
<div class="method-member-container mt-20">
<strong>Returns:</strong>