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camera_utils.js
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camera_utils.js
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(function(){/*
Copyright The Closure Library Authors.
SPDX-License-Identifier: Apache-2.0
*/
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k.h);}}var k=this;null==this.g?l.h(g):this.g.push(g);this.o=!0};b.resolve=f;b.reject=function(c){return new b(function(d,g){g(c)})};b.race=function(c){return new b(function(d,g){for(var k=x(c),m=k.next();!m.done;m=k.next())f(m.value).s(d,g)})};b.all=function(c){var d=x(c),g=d.next();return g.done?f([]):new b(function(k,m){function G(E){return function(F){p[E]=F;r--;0==r&&k(p)}}var p=[],r=0;do p.push(void 0),r++,f(g.value).s(G(p.length-1),m),g=d.next();while(!g.done)})};return b});
var K="function"==typeof Object.assign?Object.assign:function(a,b){for(var e=1;e<arguments.length;e++){var f=arguments[e];if(f)for(var h in f)Object.prototype.hasOwnProperty.call(f,h)&&(a[h]=f[h])}return a};v("Object.assign",function(a){return a||K});var L=this||self;var M={facingMode:"user",width:640,height:480};function N(a,b){this.video=a;this.i=0;this.h=Object.assign(Object.assign({},M),b)}N.prototype.stop=function(){var a=this,b,e,f,h;return J(new I(new B(function(l){if(a.g){b=a.g.getTracks();e=x(b);for(f=e.next();!f.done;f=e.next())h=f.value,h.stop();a.g=void 0}l.j=0})))};
N.prototype.start=function(){var a=this,b;return J(new I(new B(function(e){navigator.mediaDevices&&navigator.mediaDevices.getUserMedia||alert("No navigator.mediaDevices.getUserMedia exists.");b=a.h;return e.return(navigator.mediaDevices.getUserMedia({video:{facingMode:b.facingMode,width:b.width,height:b.height},audio:true}).then(function(f){O(a,f)}).catch(function(f){var h="Failed to acquire camera feed: "+f;console.error(h);alert(h);throw f;}))})))};
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