zdpjs_webrtc
Version:
基于easyrtc二次开发的webrtc框架
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<li><a href="../server-api/module-easyrtc_default_event_listeners-eventListener.html">eventListener</a></li>
<li><a href="../server-api/module-easyrtc_public_obj-pub.html">pub</a></li>
<li><a href="../server-api/module-easyrtc_public_obj-pub.events.html">events</a></li>
<li><a href="../server-api/module-easyrtc_public_obj-pub.util.html">util</a></li>
<li><a href="../server-api/module-easyrtc_util-eu.html">eu</a></li>
<li><a href="../server-api/module-general_util-g.html">g</a></li>
<li><a href="../server-api/pub.appObj.html">appObj</a></li>
<li><a href="../server-api/pub.appObj.connectionObj.html">connectionObj</a></li>
<li><a href="../server-api/pub.appObj.connectionObj.connectionRoomObj.html">connectionRoomObj</a></li>
<li><a href="../server-api/pub.appObj.roomObj.html">roomObj</a></li>
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<h1 class="page-title">Source: easyrtc_recorder.js</h1>
<section>
<article>
<pre class="prettyprint source linenums easyrtc"><code><a name="line1"></a><div class="linenumber">1</div><div style="width:0em;display:inline-block"></div>/* global define, module, require, console */
<a name="line2"></a><div class="linenumber">2</div><div style="width:0em;display:inline-block"></div>/*!
<a name="line3"></a><div class="linenumber">3</div><div style="width:1em;display:inline-block"></div>Script: easyrtc_recorder.js
<a name="line4"></a><div class="linenumber">4</div>
<a name="line5"></a><div class="linenumber">5</div><div style="width:2em;display:inline-block"></div>This code demonstrate recording of local and remote streams.
<a name="line6"></a><div class="linenumber">6</div>
<a name="line7"></a><div class="linenumber">7</div><div style="width:1em;display:inline-block"></div>About: License
<a name="line8"></a><div class="linenumber">8</div>
<a name="line9"></a><div class="linenumber">9</div><div style="width:2em;display:inline-block"></div>Copyright (c) 2016, Priologic Software Inc.
<a name="line10"></a><div class="linenumber">10</div><div style="width:2em;display:inline-block"></div>All rights reserved.
<a name="line11"></a><div class="linenumber">11</div>
<a name="line12"></a><div class="linenumber">12</div><div style="width:2em;display:inline-block"></div>Redistribution and use in source and binary forms, with or without
<a name="line13"></a><div class="linenumber">13</div><div style="width:2em;display:inline-block"></div>modification, are permitted provided that the following conditions are met:
<a name="line14"></a><div class="linenumber">14</div>
<a name="line15"></a><div class="linenumber">15</div><div style="width:4em;display:inline-block"></div>* Redistributions of source code must retain the above copyright notice,
<a name="line16"></a><div class="linenumber">16</div><div style="width:5em;display:inline-block"></div>this list of conditions and the following disclaimer.
<a name="line17"></a><div class="linenumber">17</div><div style="width:4em;display:inline-block"></div>* Redistributions in binary form must reproduce the above copyright
<a name="line18"></a><div class="linenumber">18</div><div style="width:5em;display:inline-block"></div>notice, this list of conditions and the following disclaimer in the
<a name="line19"></a><div class="linenumber">19</div><div style="width:5em;display:inline-block"></div>documentation and/or other materials provided with the distribution.
<a name="line20"></a><div class="linenumber">20</div>
<a name="line21"></a><div class="linenumber">21</div><div style="width:2em;display:inline-block"></div>THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
<a name="line22"></a><div class="linenumber">22</div><div style="width:2em;display:inline-block"></div>AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
<a name="line23"></a><div class="linenumber">23</div><div style="width:2em;display:inline-block"></div>IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
<a name="line24"></a><div class="linenumber">24</div><div style="width:2em;display:inline-block"></div>ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
<a name="line25"></a><div class="linenumber">25</div><div style="width:2em;display:inline-block"></div>LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
<a name="line26"></a><div class="linenumber">26</div><div style="width:2em;display:inline-block"></div>CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
<a name="line27"></a><div class="linenumber">27</div><div style="width:2em;display:inline-block"></div>SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
<a name="line28"></a><div class="linenumber">28</div><div style="width:2em;display:inline-block"></div>INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
<a name="line29"></a><div class="linenumber">29</div><div style="width:2em;display:inline-block"></div>CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
<a name="line30"></a><div class="linenumber">30</div><div style="width:2em;display:inline-block"></div>ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
<a name="line31"></a><div class="linenumber">31</div><div style="width:2em;display:inline-block"></div>POSSIBILITY OF SUCH DAMAGE.
<a name="line32"></a><div class="linenumber">32</div><div style="width:0em;display:inline-block"></div>*/
<a name="line33"></a><div class="linenumber">33</div>
<a name="line34"></a><div class="linenumber">34</div><div style="width:0em;display:inline-block"></div>"use strict";
<a name="line35"></a><div class="linenumber">35</div>
<a name="line36"></a><div class="linenumber">36</div><div style="width:0em;display:inline-block"></div>(function (root, factory) {
<a name="line37"></a><div class="linenumber">37</div><div style="width:2em;display:inline-block"></div>if (typeof define === 'function' && define.amd) {
<a name="line38"></a><div class="linenumber">38</div><div style="width:4em;display:inline-block"></div>//RequireJS (AMD) build system
<a name="line39"></a><div class="linenumber">39</div><div style="width:4em;display:inline-block"></div>define(['easyrtc'], factory);
<a name="line40"></a><div class="linenumber">40</div><div style="width:2em;display:inline-block"></div>} else if (typeof module === 'object' && module.exports) {
<a name="line41"></a><div class="linenumber">41</div><div style="width:4em;display:inline-block"></div>//CommonJS build system
<a name="line42"></a><div class="linenumber">42</div><div style="width:4em;display:inline-block"></div>module.exports = factory(require('easyrtc'));
<a name="line43"></a><div class="linenumber">43</div><div style="width:2em;display:inline-block"></div>} else {
<a name="line44"></a><div class="linenumber">44</div><div style="width:4em;display:inline-block"></div>//Vanilla JS, ensure dependencies are loaded correctly
<a name="line45"></a><div class="linenumber">45</div><div style="width:4em;display:inline-block"></div>if (typeof window.easyrtc !== 'object' || !window.easyrtc) {
<a name="line46"></a><div class="linenumber">46</div><div style="width:6em;display:inline-block"></div>throw new Error("easyrtc_recorder requires easyrtc");
<a name="line47"></a><div class="linenumber">47</div><div style="width:4em;display:inline-block"></div>}
<a name="line48"></a><div class="linenumber">48</div><div style="width:4em;display:inline-block"></div>root.easyrtc = factory(window.easyrtc);
<a name="line49"></a><div class="linenumber">49</div><div style="width:1em;display:inline-block"></div>}
<a name="line50"></a><div class="linenumber">50</div><div style="width:0em;display:inline-block"></div>}(this, function (easyrtc, undefined) {
<a name="line51"></a><div class="linenumber">51</div>
<a name="line52"></a><div class="linenumber">52</div><div style="width:2em;display:inline-block"></div>/**
<a name="line53"></a><div class="linenumber">53</div><div style="width:2em;display:inline-block"></div>* Provides methods for building MediaStream recorders.
<a name="line54"></a><div class="linenumber">54</div><div style="width:2em;display:inline-block"></div>* @class Easyrtc_Recorder
<a name="line55"></a><div class="linenumber">55</div><div style="width:2em;display:inline-block"></div>*/
<a name="line56"></a><div class="linenumber">56</div>
<a name="line57"></a><div class="linenumber">57</div>
<a name="line58"></a><div class="linenumber">58</div><div style="width:1em;display:inline-block"></div>/**
<a name="line59"></a><div class="linenumber">59</div><div style="width:2em;display:inline-block"></div>* Determines if recording is supported by the browser.
<a name="line60"></a><div class="linenumber">60</div><div style="width:2em;display:inline-block"></div>* @function
<a name="line61"></a><div class="linenumber">61</div><div style="width:2em;display:inline-block"></div>* @memberOf Easyrtc_Recorder
<a name="line62"></a><div class="linenumber">62</div><div style="width:2em;display:inline-block"></div>* @returns true if recording is supported.
<a name="line63"></a><div class="linenumber">63</div><div style="width:2em;display:inline-block"></div>*/
<a name="line64"></a><div class="linenumber">64</div><div style="width:1em;display:inline-block"></div>easyrtc.supportsRecording = function() {
<a name="line65"></a><div class="linenumber">65</div><div style="width:4em;display:inline-block"></div>return (typeof MediaRecorder !== "undefined" && navigator.getUserMedia );
<a name="line66"></a><div class="linenumber">66</div><div style="width:1em;display:inline-block"></div>};
<a name="line67"></a><div class="linenumber">67</div>
<a name="line68"></a><div class="linenumber">68</div><div style="width:1em;display:inline-block"></div>/**
<a name="line69"></a><div class="linenumber">69</div><div style="width:2em;display:inline-block"></div>* Check if a particular codec can be used for recording.
<a name="line70"></a><div class="linenumber">70</div><div style="width:2em;display:inline-block"></div>* @function
<a name="line71"></a><div class="linenumber">71</div><div style="width:2em;display:inline-block"></div>* @memberOf Easyrtc_Recorder
<a name="line72"></a><div class="linenumber">72</div><div style="width:2em;display:inline-block"></div>* @param {String} codecName, either "vp8" or "vp9 or "h264"
<a name="line73"></a><div class="linenumber">73</div><div style="width:2em;display:inline-block"></div>* @returns true if the type can be used, or if the browser doesn't
<a name="line74"></a><div class="linenumber">74</div><div style="width:2em;display:inline-block"></div>* support a method to find out.
<a name="line75"></a><div class="linenumber">75</div><div style="width:2em;display:inline-block"></div>*/
<a name="line76"></a><div class="linenumber">76</div><div style="width:1em;display:inline-block"></div>easyrtc.isRecordingTypeSupported = function(videoCodecName) {
<a name="line77"></a><div class="linenumber">77</div><div style="width:3em;display:inline-block"></div>var mimeType = "video/webm;codecs=" + videoCodecName;
<a name="line78"></a><div class="linenumber">78</div><div style="width:3em;display:inline-block"></div>if( MediaRecorder.isTypeSupported ) {
<a name="line79"></a><div class="linenumber">79</div><div style="width:5em;display:inline-block"></div>// chrome definitely, maybe firefox
<a name="line80"></a><div class="linenumber">80</div><div style="width:5em;display:inline-block"></div>return MediaRecorder.isTypeSupported(mimeType);
<a name="line81"></a><div class="linenumber">81</div><div style="width:3em;display:inline-block"></div>}
<a name="line82"></a><div class="linenumber">82</div><div style="width:3em;display:inline-block"></div>else if( MediaRecorder.isMimeTypeSupported ) {
<a name="line83"></a><div class="linenumber">83</div><div style="width:5em;display:inline-block"></div>// maybe firefox
<a name="line84"></a><div class="linenumber">84</div><div style="width:5em;display:inline-block"></div>return MediaRecorder.isMimeTypeSupported(mimeType);
<a name="line85"></a><div class="linenumber">85</div><div style="width:3em;display:inline-block"></div>}
<a name="line86"></a><div class="linenumber">86</div><div style="width:3em;display:inline-block"></div>else {
<a name="line87"></a><div class="linenumber">87</div><div style="width:5em;display:inline-block"></div>if( typeof easyrtc.hasNoRecordTypeCheck === "undefined") {
<a name="line88"></a><div class="linenumber">88</div><div style="width:6em;display:inline-block"></div>easyrtc.hasNoRecordTypeCheck = true;
<a name="line89"></a><div class="linenumber">89</div><div style="width:6em;display:inline-block"></div>window.alert("This browser doesn't know what media types it supports. Assuming all types.");
<a name="line90"></a><div class="linenumber">90</div><div style="width:5em;display:inline-block"></div>}
<a name="line91"></a><div class="linenumber">91</div><div style="width:5em;display:inline-block"></div>return true;
<a name="line92"></a><div class="linenumber">92</div><div style="width:3em;display:inline-block"></div>}
<a name="line93"></a><div class="linenumber">93</div><div style="width:1em;display:inline-block"></div>};
<a name="line94"></a><div class="linenumber">94</div>
<a name="line95"></a><div class="linenumber">95</div><div style="width:1em;display:inline-block"></div>var mimeType;
<a name="line96"></a><div class="linenumber">96</div>
<a name="line97"></a><div class="linenumber">97</div><div style="width:1em;display:inline-block"></div>/**
<a name="line98"></a><div class="linenumber">98</div><div style="width:2em;display:inline-block"></div>* Set the desired codec for the video encoding.
<a name="line99"></a><div class="linenumber">99</div><div style="width:2em;display:inline-block"></div>* @function
<a name="line100"></a><div class="linenumber">100</div><div style="width:2em;display:inline-block"></div>* @memberOf Easyrtc_Recorder
<a name="line101"></a><div class="linenumber">101</div><div style="width:2em;display:inline-block"></div>* @param {String} codecName, either "vp8" or "vp9 or "h264"
<a name="line102"></a><div class="linenumber">102</div><div style="width:2em;display:inline-block"></div>* @returns true if the type can be used.
<a name="line103"></a><div class="linenumber">103</div><div style="width:2em;display:inline-block"></div>*/
<a name="line104"></a><div class="linenumber">104</div><div style="width:1em;display:inline-block"></div>easyrtc.setRecordingVideoCodec = function(videoCodecName) {
<a name="line105"></a><div class="linenumber">105</div><div style="width:3em;display:inline-block"></div>if( !easyrtc.supportsRecording ) {
<a name="line106"></a><div class="linenumber">106</div><div style="width:5em;display:inline-block"></div>return false;
<a name="line107"></a><div class="linenumber">107</div><div style="width:3em;display:inline-block"></div>}
<a name="line108"></a><div class="linenumber">108</div><div style="width:3em;display:inline-block"></div>if(easyrtc.isRecordingTypeSupported(videoCodecName)) {
<a name="line109"></a><div class="linenumber">109</div><div style="width:5em;display:inline-block"></div>mimeType = "video/webm;codecs=" + videoCodecName;
<a name="line110"></a><div class="linenumber">110</div><div style="width:5em;display:inline-block"></div>return true;
<a name="line111"></a><div class="linenumber">111</div><div style="width:3em;display:inline-block"></div>}
<a name="line112"></a><div class="linenumber">112</div><div style="width:3em;display:inline-block"></div>else {
<a name="line113"></a><div class="linenumber">113</div><div style="width:5em;display:inline-block"></div>return false;
<a name="line114"></a><div class="linenumber">114</div><div style="width:3em;display:inline-block"></div>}
<a name="line115"></a><div class="linenumber">115</div><div style="width:1em;display:inline-block"></div>};
<a name="line116"></a><div class="linenumber">116</div>
<a name="line117"></a><div class="linenumber">117</div><div style="width:1em;display:inline-block"></div>if( easyrtc.supportsRecording()) {
<a name="line118"></a><div class="linenumber">118</div><div style="width:3em;display:inline-block"></div>easyrtc.setRecordingVideoCodec("vp8");
<a name="line119"></a><div class="linenumber">119</div><div style="width:1em;display:inline-block"></div>}
<a name="line120"></a><div class="linenumber">120</div>
<a name="line121"></a><div class="linenumber">121</div><div style="width:1em;display:inline-block"></div>/**
<a name="line122"></a><div class="linenumber">122</div><div style="width:2em;display:inline-block"></div>* Create a recording object and attach a media stream to it.
<a name="line123"></a><div class="linenumber">123</div><div style="width:2em;display:inline-block"></div>* @function
<a name="line124"></a><div class="linenumber">124</div><div style="width:2em;display:inline-block"></div>* @memberOf Easyrtc_Recorder
<a name="line125"></a><div class="linenumber">125</div><div style="width:2em;display:inline-block"></div>* @param {HTMLMediaStream} mediaStream
<a name="line126"></a><div class="linenumber">126</div><div style="width:2em;display:inline-block"></div>* @returns a recorder object or null if recording not supported.
<a name="line127"></a><div class="linenumber">127</div><div style="width:2em;display:inline-block"></div>*/
<a name="line128"></a><div class="linenumber">128</div><div style="width:2em;display:inline-block"></div>function startRecording( mediaStream) {
<a name="line129"></a><div class="linenumber">129</div>
<a name="line130"></a><div class="linenumber">130</div><div style="width:4em;display:inline-block"></div>if( !easyrtc.supportsRecording ) {
<a name="line131"></a><div class="linenumber">131</div><div style="width:5em;display:inline-block"></div>console.log("recording not supported by your browser");
<a name="line132"></a><div class="linenumber">132</div><div style="width:5em;display:inline-block"></div>return null;
<a name="line133"></a><div class="linenumber">133</div><div style="width:4em;display:inline-block"></div>}
<a name="line134"></a><div class="linenumber">134</div>
<a name="line135"></a><div class="linenumber">135</div><div style="width:4em;display:inline-block"></div>var mediaRecorder = new MediaRecorder(mediaStream, {mimeType: mimeType});
<a name="line136"></a><div class="linenumber">136</div><div style="width:4em;display:inline-block"></div>if( !mediaRecorder ) {
<a name="line137"></a><div class="linenumber">137</div><div style="width:5em;display:inline-block"></div>console.log("no media recorder");
<a name="line138"></a><div class="linenumber">138</div><div style="width:5em;display:inline-block"></div>return;
<a name="line139"></a><div class="linenumber">139</div><div style="width:4em;display:inline-block"></div>}
<a name="line140"></a><div class="linenumber">140</div><div style="width:4em;display:inline-block"></div>mediaRecorder.start();
<a name="line141"></a><div class="linenumber">141</div>
<a name="line142"></a><div class="linenumber">142</div><div style="width:4em;display:inline-block"></div>mediaRecorder.onerror = function(e) {
<a name="line143"></a><div class="linenumber">143</div><div style="width:5em;display:inline-block"></div>console.log("Media recording error:", e);
<a name="line144"></a><div class="linenumber">144</div><div style="width:4em;display:inline-block"></div>}
<a name="line145"></a><div class="linenumber">145</div>
<a name="line146"></a><div class="linenumber">146</div><div style="width:4em;display:inline-block"></div>mediaRecorder.onwarning = function(e) {
<a name="line147"></a><div class="linenumber">147</div><div style="width:5em;display:inline-block"></div>console.log("Media recording error:", e);
<a name="line148"></a><div class="linenumber">148</div><div style="width:4em;display:inline-block"></div>}
<a name="line149"></a><div class="linenumber">149</div>
<a name="line150"></a><div class="linenumber">150</div><div style="width:4em;display:inline-block"></div>mediaRecorder.onstart = function(e) {
<a name="line151"></a><div class="linenumber">151</div><div style="width:5em;display:inline-block"></div>console.log("Media recording started");
<a name="line152"></a><div class="linenumber">152</div><div style="width:4em;display:inline-block"></div>}
<a name="line153"></a><div class="linenumber">153</div>
<a name="line154"></a><div class="linenumber">154</div><div style="width:4em;display:inline-block"></div>mediaRecorder.onstop = function(e) {
<a name="line155"></a><div class="linenumber">155</div><div style="width:5em;display:inline-block"></div>console.log("Media recording stopped");
<a name="line156"></a><div class="linenumber">156</div><div style="width:4em;display:inline-block"></div>}
<a name="line157"></a><div class="linenumber">157</div>
<a name="line158"></a><div class="linenumber">158</div><div style="width:4em;display:inline-block"></div>return mediaRecorder;
<a name="line159"></a><div class="linenumber">159</div><div style="width:1em;display:inline-block"></div>};
<a name="line160"></a><div class="linenumber">160</div>
<a name="line161"></a><div class="linenumber">161</div><div style="width:1em;display:inline-block"></div>/** This method creates a media recorder and populates it's ondataavailable
<a name="line162"></a><div class="linenumber">162</div><div style="width:2em;display:inline-block"></div>* method so that your own callback gets called with the data.
<a name="line163"></a><div class="linenumber">163</div><div style="width:2em;display:inline-block"></div>* Use the media recorder's start(), stop(), pause() and resume() methods
<a name="line164"></a><div class="linenumber">164</div><div style="width:2em;display:inline-block"></div>* on the returned object.
<a name="line165"></a><div class="linenumber">165</div><div style="width:2em;display:inline-block"></div>* @function
<a name="line166"></a><div class="linenumber">166</div><div style="width:2em;display:inline-block"></div>* @memberOf Easyrtc_Recorder
<a name="line167"></a><div class="linenumber">167</div><div style="width:2em;display:inline-block"></div>* @param {HTMLMediaStream} mediaStream a local or remote media stream.
<a name="line168"></a><div class="linenumber">168</div><div style="width:2em;display:inline-block"></div>* @param {Function} dataCallback a function to receive the webm data from.
<a name="line169"></a><div class="linenumber">169</div><div style="width:2em;display:inline-block"></div>*/
<a name="line170"></a><div class="linenumber">170</div><div style="width:1em;display:inline-block"></div>easyrtc.recordToCallback = function (mediaStream, dataCallback) {
<a name="line171"></a><div class="linenumber">171</div><div style="width:3em;display:inline-block"></div>var mediaRecorder = startRecording(mediaStream);
<a name="line172"></a><div class="linenumber">172</div><div style="width:3em;display:inline-block"></div>if( !mediaRecorder) {
<a name="line173"></a><div class="linenumber">173</div><div style="width:5em;display:inline-block"></div>return null;
<a name="line174"></a><div class="linenumber">174</div><div style="width:3em;display:inline-block"></div>}
<a name="line175"></a><div class="linenumber">175</div><div style="width:3em;display:inline-block"></div>mediaRecorder.ondataavailable = function(e) {
<a name="line176"></a><div class="linenumber">176</div><div style="width:5em;display:inline-block"></div>dataCallback(e.data);
<a name="line177"></a><div class="linenumber">177</div><div style="width:3em;display:inline-block"></div>}
<a name="line178"></a><div class="linenumber">178</div><div style="width:3em;display:inline-block"></div>return mediaRecorder;
<a name="line179"></a><div class="linenumber">179</div><div style="width:1em;display:inline-block"></div>};
<a name="line180"></a><div class="linenumber">180</div>
<a name="line181"></a><div class="linenumber">181</div><div style="width:1em;display:inline-block"></div>/** This method creates a media recorder that builds a blob
<a name="line182"></a><div class="linenumber">182</div><div style="width:2em;display:inline-block"></div>* Use the media recorder's start(), stop(), pause() and resume() methods
<a name="line183"></a><div class="linenumber">183</div><div style="width:2em;display:inline-block"></div>* on the returned object.
<a name="line184"></a><div class="linenumber">184</div><div style="width:2em;display:inline-block"></div>* @function
<a name="line185"></a><div class="linenumber">185</div><div style="width:2em;display:inline-block"></div>* @memberOf Easyrtc_Recorder
<a name="line186"></a><div class="linenumber">186</div><div style="width:2em;display:inline-block"></div>* @param {HTMLMediaStream} mediaStream a local or remote media stream.
<a name="line187"></a><div class="linenumber">187</div><div style="width:2em;display:inline-block"></div>* @param {Function} blobCallback a callback function that gets called with a
<a name="line188"></a><div class="linenumber">188</div><div style="width:2em;display:inline-block"></div>* blob once you invoke the stop method.
<a name="line189"></a><div class="linenumber">189</div><div style="width:2em;display:inline-block"></div>**/
<a name="line190"></a><div class="linenumber">190</div><div style="width:1em;display:inline-block"></div>easyrtc.recordToBlob = function(mediaStream, blobCallback) {
<a name="line191"></a><div class="linenumber">191</div><div style="width:3em;display:inline-block"></div>var chunks = [];
<a name="line192"></a><div class="linenumber">192</div>
<a name="line193"></a><div class="linenumber">193</div><div style="width:3em;display:inline-block"></div>function dataConsumer(chunk) {
<a name="line194"></a><div class="linenumber">194</div><div style="width:5em;display:inline-block"></div>chunks.push(chunk);
<a name="line195"></a><div class="linenumber">195</div><div style="width:3em;display:inline-block"></div>}
<a name="line196"></a><div class="linenumber">196</div>
<a name="line197"></a><div class="linenumber">197</div><div style="width:3em;display:inline-block"></div>var mediaRecorder = easyrtc.recordToCallback(mediaStream,
<a name="line198"></a><div class="linenumber">198</div><div style="width:7em;display:inline-block"></div>dataConsumer);
<a name="line199"></a><div class="linenumber">199</div>
<a name="line200"></a><div class="linenumber">200</div><div style="width:3em;display:inline-block"></div>if( !mediaRecorder) {
<a name="line201"></a><div class="linenumber">201</div><div style="width:5em;display:inline-block"></div>return null;
<a name="line202"></a><div class="linenumber">202</div><div style="width:3em;display:inline-block"></div>}
<a name="line203"></a><div class="linenumber">203</div>
<a name="line204"></a><div class="linenumber">204</div><div style="width:3em;display:inline-block"></div>mediaRecorder.onstop = function() {
<a name="line205"></a><div class="linenumber">205</div><div style="width:6em;display:inline-block"></div>blobCallback( new Blob(chunks, {type:"video/webm"}));
<a name="line206"></a><div class="linenumber">206</div><div style="width:6em;display:inline-block"></div>chunks = [];
<a name="line207"></a><div class="linenumber">207</div><div style="width:3em;display:inline-block"></div>}
<a name="line208"></a><div class="linenumber">208</div><div style="width:3em;display:inline-block"></div>return mediaRecorder;
<a name="line209"></a><div class="linenumber">209</div><div style="width:1em;display:inline-block"></div>};
<a name="line210"></a><div class="linenumber">210</div>
<a name="line211"></a><div class="linenumber">211</div><div style="width:1em;display:inline-block"></div>/** This method creates a media recorder that builds a file.
<a name="line212"></a><div class="linenumber">212</div><div style="width:2em;display:inline-block"></div>* Use the media recorder's start(), stop(), pause() and resume() methods
<a name="line213"></a><div class="linenumber">213</div><div style="width:2em;display:inline-block"></div>* on the returned object.
<a name="line214"></a><div class="linenumber">214</div><div style="width:2em;display:inline-block"></div>* @function
<a name="line215"></a><div class="linenumber">215</div><div style="width:2em;display:inline-block"></div>* @memberOf Easyrtc_Recorder
<a name="line216"></a><div class="linenumber">216</div><div style="width:2em;display:inline-block"></div>* @param {HTMLMediaStream} a local or remote media stream.
<a name="line217"></a><div class="linenumber">217</div><div style="width:2em;display:inline-block"></div>* @param {Object} downloadLink an anchor tag to attach the file to.
<a name="line218"></a><div class="linenumber">218</div><div style="width:2em;display:inline-block"></div>* @param {String} basename the name of the file. A .webm will be appended
<a name="line219"></a><div class="linenumber">219</div><div style="width:2em;display:inline-block"></div>* to the file if its not already present. The file doesn't get written
<a name="line220"></a><div class="linenumber">220</div><div style="width:2em;display:inline-block"></div>* until you call the mediaRecorder's stop method.
<a name="line221"></a><div class="linenumber">221</div><div style="width:2em;display:inline-block"></div>**/
<a name="line222"></a><div class="linenumber">222</div><div style="width:1em;display:inline-block"></div>easyrtc.recordToFile = function(mediaStream, downloadLink, basename) {
<a name="line223"></a><div class="linenumber">223</div><div style="width:3em;display:inline-block"></div>function blobCallback( blob ) {
<a name="line224"></a><div class="linenumber">224</div><div style="width:5em;display:inline-block"></div>var videoURL = window.URL.createObjectURL(blob);
<a name="line225"></a><div class="linenumber">225</div>
<a name="line226"></a><div class="linenumber">226</div><div style="width:5em;display:inline-block"></div>downloadLink.href = videoURL;
<a name="line227"></a><div class="linenumber">227</div><div style="width:5em;display:inline-block"></div>downloadLink.appendChild(document.createTextNode(basename));
<a name="line228"></a><div class="linenumber">228</div>
<a name="line229"></a><div class="linenumber">229</div><div style="width:5em;display:inline-block"></div>var name = basename + ((basename.indexOf(".webm")>0)?"": ".webm") ;
<a name="line230"></a><div class="linenumber">230</div><div style="width:5em;display:inline-block"></div>downloadLink.setAttribute( "download", name);
<a name="line231"></a><div class="linenumber">231</div><div style="width:5em;display:inline-block"></div>downloadLink.setAttribute( "name", name);
<a name="line232"></a><div class="linenumber">232</div><div style="width:3em;display:inline-block"></div>}
<a name="line233"></a><div class="linenumber">233</div>
<a name="line234"></a><div class="linenumber">234</div><div style="width:3em;display:inline-block"></div>downloadLink.innerHTML = "";
<a name="line235"></a><div class="linenumber">235</div><div style="width:3em;display:inline-block"></div>var mediaRecorder = easyrtc.recordToBlob(mediaStream, blobCallback);
<a name="line236"></a><div class="linenumber">236</div><div style="width:3em;display:inline-block"></div>return mediaRecorder;
<a name="line237"></a><div class="linenumber">237</div><div style="width:1em;display:inline-block"></div>};
<a name="line238"></a><div class="linenumber">238</div>
<a name="line239"></a><div class="linenumber">239</div><div style="width:0em;display:inline-block"></div>return easyrtc;
<a name="line240"></a><div class="linenumber">240</div>
<a name="line241"></a><div class="linenumber">241</div><div style="width:0em;display:inline-block"></div>}));
<a name="line242"></a><div class="linenumber">242</div>
</code></pre>
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