cordova-plugin-qrscanner/dist/cordova-plugin-qrscanner-lib.min.js at 457ca140917b8c14536960392eab0bf75bca80a2 · bitpay/cordova-plugin-qrscanner · GitHub

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n(e){return{authorized:t(e.authorized),denied:t(e.denied),restricted:t(e.restricted),prepared:t(e.prepared),scanning:t(e.scanning),previewing:t(e.previewing),showing:t(e.showing),lightEnabled:t(e.lightEnabled),canOpenSettings:t(e.canOpenSettings),canEnableLight:t(e.canEnableLight),canChangeCamera:t(e.canChangeCamera),currentCamera:parseInt(e.currentCamera)}}function r(){var e=document.body;e.style&&(e.style.backgroundColor="rgba(0,0,0,0.01)",e.style.backgroundImage="",setTimeout(function(){e.style.backgroundColor="transparent"},1),e.parentNode&&e.parentNode.style&&(e.parentNode.style.backgroundColor="transparent",e.parentNode.style.backgroundImage=""))}function i(e){return e?function(t){var n=parseInt(t),r={};switch(n){case 0:r={name:"UNEXPECTED_ERROR",code:0,_message:"QRScanner experienced an unexpected error."};break;case 1:r={name:"CAMERA_ACCESS_DENIED",code:1,_message:"The user denied camera access."};break;case 2:r={name:"CAMERA_ACCESS_RESTRICTED",code:2,_message:"Camera access is 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NaN;for(;s>=0&&!r.data[e+s*r.width]&&a[0]<=n;)a[0]++,s--;if(a[0]>n)return NaN;for(s=t+1;s<o&&r.data[e+s*r.width]&&a[1]<=n;)a[1]++,s++;if(s==o||a[1]>n)return NaN;for(;s<o&&!r.data[e+s*r.width]&&a[2]<=n;)a[2]++,s++;if(a[2]>n)return NaN;var h=a[0]+a[1]+a[2];return 5*Math.abs(h-i)>=2*i?NaN:this.foundPatternCross(a)?this.centerFromEnd(a,s):NaN},r.prototype.handlePossibleCenter=function(t,e,n){var r=t[0]+t[1]+t[2],o=this.centerFromEnd(t,n),a=this.crossCheckVertical(e,Math.floor(o),2*t[1],r);if(!isNaN(a)){for(var s=(t[0]+t[1]+t[2])/3,h=this.possibleCenters.length,f=0;f<h;f++){if(this.possibleCenters[f].aboutEquals(s,a,o))return new i(o,a,s)}var w=new i(o,a,s);this.possibleCenters.push(w),null!=this.resultPointCallback&&this.resultPointCallback.foundPossibleResultPoint(w)}return null},r.prototype.find=function(){for(var t=this.image,e=this.startX,n=this.height,i=e+this.width,r=this.startY+(n>>1),o=[0,0,0],a=0;a<n;a++){var s=r+(0==(1&a)?a+1>>1:-(a+1>>1));o[0]=0,o[1]=0,o[2]=0;for(var h=e;h<i&&!t.data[h+t.width*s];)h++;for(var f=0;h<i;){if(t.data[h+s*t.width])if(1==f)o[f]++;else if(2==f){if(this.foundPatternCross(o)){var w=this.handlePossibleCenter(o,s,h);if(null!=w)return w}o[0]=o[2],o[1]=1,o[2]=0,f=1}else o[++f]++;else 1==f&&f++,o[f]++;h++}if(this.foundPatternCross(o)){var w=this.handlePossibleCenter(o,s,i);if(null!=w)return w}}if(0!=this.possibleCenters.length)return this.possibleCenters[0];throw"Couldn\'t find enough alignment patterns"}},function(t,e,n){"use strict";function i(t){var e=t.Dimension;if(e<21||1!=(3&e))throw"Error BitMatrixParser";this.bitMatrix=t,this.parsedVersion=null,this.parsedFormatInfo=null}e.a=i;var r=n(2),o=n(5),a=n(12);i.prototype.copyBit=function(t,e,n){return this.bitMatrix.get_Renamed(t,e)?n<<1|1:n<<1},i.prototype.readFormatInformation=function(){if(null!=this.parsedFormatInfo)return this.parsedFormatInfo;for(var t=0,e=0;e<6;e++)t=this.copyBit(e,8,t);t=this.copyBit(7,8,t),t=this.copyBit(8,8,t),t=this.copyBit(8,7,t);for(var n=5;n>=0;n--)t=this.copyBit(8,n,t);if(this.parsedFormatInfo=r.a.decodeFormatInformation(t),null!=this.parsedFormatInfo)return this.parsedFormatInfo;var i=this.bitMatrix.Dimension;t=0;for(var o=i-8,e=i-1;e>=o;e--)t=this.copyBit(e,8,t);for(var n=i-7;n<i;n++)t=this.copyBit(8,n,t);if(this.parsedFormatInfo=r.a.decodeFormatInformation(t),null!=this.parsedFormatInfo)return this.parsedFormatInfo;throw"Error readFormatInformation"},i.prototype.readVersion=function(){if(null!=this.parsedVersion)return this.parsedVersion;var t=this.bitMatrix.Dimension,e=t-17>>2;if(e<=6)return o.a.getVersionForNumber(e);for(var n=0,i=t-11,r=5;r>=0;r--)for(var a=t-9;a>=i;a--)n=this.copyBit(a,r,n);if(this.parsedVersion=o.a.decodeVersionInformation(n),null!=this.parsedVersion&&this.parsedVersion.DimensionForVersion==t)return this.parsedVersion;n=0;for(var a=5;a>=0;a--)for(var r=t-9;r>=i;r--)n=this.copyBit(a,r,n);if(this.parsedVersion=o.a.decodeVersionInformation(n),null!=this.parsedVersion&&this.parsedVersion.DimensionForVersion==t)return this.parsedVersion;throw"Error readVersion"},i.prototype.readCodewords=function(){var t=this.readFormatInformation(),e=this.readVersion(),n=a.a.forReference(t.dataMask),i=this.bitMatrix.Dimension;n.unmaskBitMatrix(this.bitMatrix,i);for(var r=e.buildFunctionPattern(),o=!0,s=new Array(e.totalCodewords),h=0,f=0,w=0,u=i-1;u>0;u-=2){6==u&&u--;for(var l=0;l<i;l++)for(var c=o?i-1-l:l,d=0;d<2;d++)r.get_Renamed(u-d,c)||(w++,f<<=1,this.bitMatrix.get_Renamed(u-d,c)&&(f|=1),8==w&&(s[h++]=f,w=0,f=0));o^=!0}if(h!=e.totalCodewords)throw"Error readCodewords";return s}},function(t,e,n){"use strict";function i(t,e){this.numDataCodewords=t,this.codewords=e}e.a=i,i.getDataBlocks=function(t,e,n){if(t.length!=e.totalCodewords)throw"ArgumentException";for(var r=e.getECBlocksForLevel(n),o=0,a=r.getECBlocks(),s=0;s<a.length;s++)o+=a[s].count;for(var h=new Array(o),f=0,w=0;w<a.length;w++)for(var u=a[w],s=0;s<u.count;s++){var l=u.dataCodewords,c=r.ecCodewordsPerBlock+l;h[f++]=new i(l,new Array(c))}for(var d=h[0].codewords.length,p=h.length-1;p>=0;){if(h[p].codewords.length==d)break;p--}p++;for(var g=d-r.ecCodewordsPerBlock,v=0,s=0;s<g;s++)for(var w=0;w<f;w++)h[w].codewords[s]=t[v++];for(var w=p;w<f;w++)h[w].codewords[g]=t[v++];for(var m=h[0].codewords.length,s=g;s<m;s++)for(var w=0;w<f;w++){var b=w<p?s:s+1;h[w].codewords[b]=t[v++]}return h}},function(t,e,n){"use strict";function i(t,e,n){this.blockPointer=0,this.bitPointer=7,this.dataLength=0,this.blocks=t,this.numErrorCorrectionCode=n,e<=9?this.dataLengthMode=0:e>=10&&e<=26?this.dataLengthMode=1:e>=27&&e<=40&&(this.dataLengthMode=2)}e.a=i;var r=n(0);i.prototype.getNextBits=function(t){var e=0;if(t<this.bitPointer+1){for(var n=0,i=0;i<t;i++)n+=1<<i;return n<<=this.bitPointer-t+1,e=(this.blocks[this.blockPointer]&n)>>this.bitPointer-t+1,this.bitPointer-=t,e}if(t<this.bitPointer+1+8){for(var r=0,i=0;i<this.bitPointer+1;i++)r+=1<<i;return e=(this.blocks[this.blockPointer]&r)<<t-(this.bitPointer+1),this.blockPointer++,e+=this.blocks[this.blockPointer]>>8-(t-(this.bitPointer+1)),this.bitPointer=this.bitPointer-t%8,this.bitPointer<0&&(this.bitPointer=8+this.bitPointer),e}if(t<this.bitPointer+1+16){for(var r=0,o=0,i=0;i<this.bitPointer+1;i++)r+=1<<i;var a=(this.blocks[this.blockPointer]&r)<<t-(this.bitPointer+1);this.blockPointer++;var s=this.blocks[this.blockPointer]<<t-(this.bitPointer+1+8);this.blockPointer++;for(var i=0;i<t-(this.bitPointer+1+8);i++)o+=1<<i;o<<=8-(t-(this.bitPointer+1+8));return e=a+s+((this.blocks[this.blockPointer]&o)>>8-(t-(this.bitPointer+1+8))),this.bitPointer=this.bitPointer-(t-8)%8,this.bitPointer<0&&(this.bitPointer=8+this.bitPointer),e}return 0},i.prototype.NextMode=function(){return this.blockPointer>this.blocks.length-this.numErrorCorrectionCode-2?0:this.getNextBits(4)},i.prototype.getDataLength=function(t){for(var e=0;;){if(t>>e==1)break;e++}return this.getNextBits(r.b.sizeOfDataLengthInfo[this.dataLengthMode][e])},i.prototype.getRomanAndFigureString=function(t){var e=t,n=0,i="",r=["0","1","2","3","4","5","6","7","8","9","A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z"," ","$","%","*","+","-",".","/",":"];do{if(e>1){n=this.getNextBits(11);var o=Math.floor(n/45),a=n%45;i+=r[o],i+=r[a],e-=2}else 1==e&&(n=this.getNextBits(6),i+=r[n],e-=1)}while(e>0);return i},i.prototype.getFigureString=function(t){var e=t,n=0,i="";do{e>=3?(n=this.getNextBits(10),n<100&&(i+="0"),n<10&&(i+="0"),e-=3):2==e?(n=this.getNextBits(7),n<10&&(i+="0"),e-=2):1==e&&(n=this.getNextBits(4),e-=1),i+=n}while(e>0);return i},i.prototype.get8bitByteArray=function(t){var e=t,n=0,i=[];do{n=this.getNextBits(8),i.push(n),e--}while(e>0);return i},i.prototype.getKanjiString=function(t){var e=t,n=0,i="";do{n=this.getNextBits(13);var r=n%192,o=n/192,a=(o<<8)+r,s=0;s=a+33088<=40956?a+33088:a+49472,i+=String.fromCharCode(s),e--}while(e>0);return i},Object.defineProperty(i.prototype,"DataByte",{get:function(){for(var t=[];;){var e=this.NextMode();if(0==e){if(t.length>0)break;throw"Empty data block"}if(1!=e&&2!=e&&4!=e&&8!=e&&7!=e)throw"Invalid mode: "+e+" in (block:"+this.blockPointer+" bit:"+this.bitPointer+")";var n=this.getDataLength(e);if(n<1)throw"Invalid data length: "+n;switch(e){case 1:for(var i=this.getFigureString(n),r=new Array(i.length),o=0;o<i.length;o++)r[o]=i.charCodeAt(o);t.push(r);break;case 2:for(var i=this.getRomanAndFigureString(n),r=new Array(i.length),o=0;o<i.length;o++)r[o]=i.charCodeAt(o);t.push(r);break;case 4:var a=this.get8bitByteArray(n);t.push(a);break;case 8:var i=this.getKanjiString(n);t.push(i)}}return t}})},function(t,e,n){"use strict";function i(){this.unmaskBitMatrix=function(t,e){for(var n=0;n<e;n++)for(var i=0;i<e;i++)this.isMasked(n,i)&&t.flip(i,n)},this.isMasked=function(t,e){return 0==(t+e&1)}}function r(){this.unmaskBitMatrix=function(t,e){for(var n=0;n<e;n++)for(var i=0;i<e;i++)this.isMasked(n,i)&&t.flip(i,n)},this.isMasked=function(t,e){return 0==(1&t)}}function o(){this.unmaskBitMatrix=function(t,e){for(var n=0;n<e;n++)for(var i=0;i<e;i++)this.isMasked(n,i)&&t.flip(i,n)},this.isMasked=function(t,e){return e%3==0}}function a(){this.unmaskBitMatrix=function(t,e){for(var n=0;n<e;n++)for(var i=0;i<e;i++)this.isMasked(n,i)&&t.flip(i,n)},this.isMasked=function(t,e){return(t+e)%3==0}}function s(){this.unmaskBitMatrix=function(t,e){for(var n=0;n<e;n++)for(var i=0;i<e;i++)this.isMasked(n,i)&&t.flip(i,n)},this.isMasked=function(t,e){return 0==(n.i(u.c)(t,1)+e/3&1)}}function h(){this.unmaskBitMatrix=function(t,e){for(var n=0;n<e;n++)for(var i=0;i<e;i++)this.isMasked(n,i)&&t.flip(i,n)},this.isMasked=function(t,e){var n=t*e;return(1&n)+n%3==0}}function f(){this.unmaskBitMatrix=function(t,e){for(var n=0;n<e;n++)for(var i=0;i<e;i++)this.isMasked(n,i)&&t.flip(i,n)},this.isMasked=function(t,e){var n=t*e;return 0==((1&n)+n%3&1)}}function w(){this.unmaskBitMatrix=function(t,e){for(var n=0;n<e;n++)for(var i=0;i<e;i++)this.isMasked(n,i)&&t.flip(i,n)},this.isMasked=function(t,e){return 0==((t+e&1)+t*e%3&1)}}var u=n(0),l={};l.forReference=function(t){if(t<0||t>7)throw"System.ArgumentException";return l.DATA_MASKS[t]},l.DATA_MASKS=[new i,new r,new o,new a,new s,new h,new f,new w],e.a=l},function(t,e,n){"use strict";var i=n(18),r=n(3),o=n(9),a=n(10),s=n(11),h={};h.rsDecoder=new i.a(r.a.QR_CODE_FIELD),h.correctErrors=function(t,e){for(var n=t.length,i=new Array(n),r=0;r<n;r++)i[r]=255&t[r];var o=t.length-e;try{h.rsDecoder.decode(i,o)}catch(t){throw t}for(var r=0;r<e;r++)t[r]=i[r]},h.decode=function(t){for(var e=new o.a(t),n=e.readVersion(),i=e.readFormatInformation().errorCorrectionLevel,r=e.readCodewords(),f=a.a.getDataBlocks(r,n,i),w=0,u=0;u<f.length;u++)w+=f[u].numDataCodewords;for(var l=new Array(w),c=0,d=0;d<f.length;d++){var p=f[d],g=p.codewords,v=p.numDataCodewords;h.correctErrors(g,v);for(var u=0;u<v;u++)l[c++]=g[u]}return new s.a(l,n.versionNumber,i.bits)},e.a=h},function(t,e,n){"use strict";function i(t,e,n,i,r,o,a,s,h){this.a11=t,this.a12=i,this.a13=a,this.a21=e,this.a22=r,this.a23=s,this.a31=n,this.a32=o,this.a33=h}function r(t,e){this.bits=t,this.points=e}function o(t){this.image=t,this.resultPointCallback=null}e.a=o;var a=n(5),s=n(8),h=n(17),f=n(16);i.prototype.transformPoints1=function(t){for(var e=t.length,n=this.a11,i=this.a12,r=this.a13,o=this.a21,a=this.a22,s=this.a23,h=this.a31,f=this.a32,w=this.a33,u=0;u<e;u+=2){var l=t[u],c=t[u+1],d=r*l+s*c+w;t[u]=(n*l+o*c+h)/d,t[u+1]=(i*l+a*c+f)/d}},i.prototype.transformPoints2=function(t,e){for(var n=t.length,i=0;i<n;i++){var r=t[i],o=e[i],a=this.a13*r+this.a23*o+this.a33;t[i]=(this.a11*r+this.a21*o+this.a31)/a,e[i]=(this.a12*r+this.a22*o+this.a32)/a}},i.prototype.buildAdjoint=function(){return new i(this.a22*this.a33-this.a23*this.a32,this.a23*this.a31-this.a21*this.a33,this.a21*this.a32-this.a22*this.a31,this.a13*this.a32-this.a12*this.a33,this.a11*this.a33-this.a13*this.a31,this.a12*this.a31-this.a11*this.a32,this.a12*this.a23-this.a13*this.a22,this.a13*this.a21-this.a11*this.a23,this.a11*this.a22-this.a12*this.a21)},i.prototype.times=function(t){return new i(this.a11*t.a11+this.a21*t.a12+this.a31*t.a13,this.a11*t.a21+this.a21*t.a22+this.a31*t.a23,this.a11*t.a31+this.a21*t.a32+this.a31*t.a33,this.a12*t.a11+this.a22*t.a12+this.a32*t.a13,this.a12*t.a21+this.a22*t.a22+this.a32*t.a23,this.a12*t.a31+this.a22*t.a32+this.a32*t.a33,this.a13*t.a11+this.a23*t.a12+this.a33*t.a13,this.a13*t.a21+this.a23*t.a22+this.a33*t.a23,this.a13*t.a31+this.a23*t.a32+this.a33*t.a33)},i.quadrilateralToQuadrilateral=function(t,e,n,i,r,o,a,s,h,f,w,u,l,c,d,p){var g=this.quadrilateralToSquare(t,e,n,i,r,o,a,s);return this.squareToQuadrilateral(h,f,w,u,l,c,d,p).times(g)},i.squareToQuadrilateral=function(t,e,n,r,o,a,s,h){var f=h-a,w=e-r+a-h;if(0==f&&0==w)return new i(n-t,o-n,t,r-e,a-r,e,0,0,1);var u=n-o,l=s-o,c=t-n+o-s,d=r-a,p=u*f-l*d,g=(c*f-l*w)/p,v=(u*w-c*d)/p;return new i(n-t+g*n,s-t+v*s,t,r-e+g*r,h-e+v*h,e,g,v,1)},i.quadrilateralToSquare=function(t,e,n,i,r,o,a,s){return this.squareToQuadrilateral(t,e,n,i,r,o,a,s).buildAdjoint()},o.prototype.sizeOfBlackWhiteBlackRun=function(t,e,n,i){var r=Math.abs(i-e)>Math.abs(n-t);if(r){var o=t;t=e,e=o,o=n,n=i,i=o}for(var a=Math.abs(n-t),s=Math.abs(i-e),h=-a>>1,f=e<i?1:-1,w=t<n?1:-1,u=0,l=t,c=e;l!=n;l+=w){var d=r?c:l,p=r?l:c;if(1==u?this.image.data[d+p*this.image.width]&&u++:this.image.data[d+p*this.image.width]||u++,3==u){var g=l-t,v=c-e;return Math.sqrt(g*g+v*v)}if((h+=s)>0){if(c==i)break;c+=f,h-=a}}var m=n-t,b=i-e;return Math.sqrt(m*m+b*b)},o.prototype.sizeOfBlackWhiteBlackRunBothWays=function(t,e,n,i){var r=this.sizeOfBlackWhiteBlackRun(t,e,n,i),o=1,a=t-(n-t);a<0?(o=t/(t-a),a=0):a>=this.image.width&&(o=(this.image.width-1-t)/(a-t),a=this.image.width-1);var s=Math.floor(e-(i-e)*o);return o=1,s<0?(o=e/(e-s),s=0):s>=this.image.height&&(o=(this.image.height-1-e)/(s-e),s=this.image.height-1),a=Math.floor(t+(a-t)*o),(r+=this.sizeOfBlackWhiteBlackRun(t,e,a,s))-1},o.prototype.calculateModuleSizeOneWay=function(t,e){var n=this.sizeOfBlackWhiteBlackRunBothWays(Math.floor(t.X),Math.floor(t.Y),Math.floor(e.X),Math.floor(e.Y)),i=this.sizeOfBlackWhiteBlackRunBothWays(Math.floor(e.X),Math.floor(e.Y),Math.floor(t.X),Math.floor(t.Y));return isNaN(n)?i/7:isNaN(i)?n/7:(n+i)/14},o.prototype.calculateModuleSize=function(t,e,n){return(this.calculateModuleSizeOneWay(t,e)+this.calculateModuleSizeOneWay(t,n))/2},o.prototype.distance=function(t,e){var n=t.X-e.X,i=t.Y-e.Y;return Math.sqrt(n*n+i*i)},o.prototype.computeDimension=function(t,e,n,i){var r=Math.round(this.distance(t,e)/i),o=Math.round(this.distance(t,n)/i),a=7+(r+o>>1);switch(3&a){case 0:a++;break;case 2:a--;break;case 3:throw"Error"}return a},o.prototype.findAlignmentInRegion=function(t,e,n,i){var r=Math.floor(i*t),o=Math.max(0,e-r),a=Math.min(this.image.width-1,e+r);if(a-o<3*t)throw"Error";var h=Math.max(0,n-r),f=Math.min(this.image.height-1,n+r);return new s.a(this.image,o,h,a-o,f-h,t,this.resultPointCallback).find()},o.prototype.createTransform=function(t,e,n,r,o){var a,s,h,f,w=o-3.5;return null!=r?(a=r.X,s=r.Y,h=f=w-3):(a=e.X-t.X+n.X,s=e.Y-t.Y+n.Y,h=f=w),i.quadrilateralToQuadrilateral(3.5,3.5,w,3.5,h,f,3.5,w,t.X,t.Y,e.X,e.Y,a,s,n.X,n.Y)},o.prototype.sampleGrid=function(t,e,n){return h.a.sampleGrid3(t,n,e)},o.prototype.processFinderPatternInfo=function(t){var e=t.topLeft,n=t.topRight,i=t.bottomLeft,o=this.calculateModuleSize(e,n,i);if(o<1)throw"Error";var s=this.computeDimension(e,n,i,o),h=a.a.getProvisionalVersionForDimension(s),f=h.DimensionForVersion-7,w=null;if(h.alignmentPatternCenters.length>0)for(var u=n.X-e.X+i.X,l=n.Y-e.Y+i.Y,c=1-3/f,d=Math.floor(e.X+c*(u-e.X)),p=Math.floor(e.Y+c*(l-e.Y)),g=4;g<=16;g<<=1){w=this.findAlignmentInRegion(o,d,p,g);break}var v,m=this.createTransform(e,n,i,w,s),b=this.sampleGrid(this.image,m,s);return v=null==w?[i,e,n]:[i,e,n,w],new r(b,v)},o.prototype.detect=function(){var t=(new f.a).findFinderPattern(this.image);return this.processFinderPatternInfo(t)}},function(t,e,n){"use strict";function i(t,e,n){this.ordinal_Renamed_Field=t,this.bits=e,this.name=n}e.a=i,i.prototype.ordinal=function(){return this.ordinal_Renamed_Field},i.forBits=function(t){if(t<0||t>=r.length)throw"ArgumentException";return r[t]};var r=[new i(1,0,"M"),new i(0,1,"L"),new i(3,2,"H"),new i(2,3,"Q")]},function(t,e,n){"use strict";function i(t){function e(t,e){var n=t.X-e.X,i=t.Y-e.Y;return Math.sqrt(n*n+i*i)}var n,i,r,o=e(t[0],t[1]),a=e(t[1],t[2]),s=e(t[0],t[2]);if(a>=o&&a>=s?(i=t[0],n=t[1],r=t[2]):s>=a&&s>=o?(i=t[1],n=t[0],r=t[2]):(i=t[2],n=t[0],r=t[1]),function(t,e,n){var i=e.x,r=e.y;return(n.x-i)*(t.y-r)-(n.y-r)*(t.x-i)}(n,i,r)<0){var h=n;n=r,r=h}t[0]=n,t[1]=i,t[2]=r}function r(t,e,n){this.x=t,this.y=e,this.count=1,this.estimatedModuleSize=n}function o(t){this.bottomLeft=t[0],this.topLeft=t[1],this.topRight=t[2]}function a(){this.image=null,this.possibleCenters=[],this.hasSkipped=!1,this.crossCheckStateCount=[0,0,0,0,0],this.resultPointCallback=null}e.a=a;Object.defineProperty(r.prototype,"X",{get:function(){return this.x}}),Object.defineProperty(r.prototype,"Y",{get:function(){return this.y}}),r.prototype.incrementCount=function(){this.count++},r.prototype.aboutEquals=function(t,e,n){if(Math.abs(e-this.y)<=t&&Math.abs(n-this.x)<=t){var i=Math.abs(t-this.estimatedModuleSize);return i<=1||i/this.estimatedModuleSize<=1}return!1},Object.defineProperty(a.prototype,"CrossCheckStateCount",{get:function(){return this.crossCheckStateCount[0]=0,this.crossCheckStateCount[1]=0,this.crossCheckStateCount[2]=0,this.crossCheckStateCount[3]=0,this.crossCheckStateCount[4]=0,this.crossCheckStateCount}}),a.prototype.foundPatternCross=function(t){for(var e=0,n=0;n<5;n++){var i=t[n];if(0==i)return!1;e+=i}if(e<7)return!1;var r=Math.floor((e<<8)/7),o=Math.floor(r/2);return Math.abs(r-(t[0]<<8))<o&&Math.abs(r-(t[1]<<8))<o&&Math.abs(3*r-(t[2]<<8))<3*o&&Math.abs(r-(t[3]<<8))<o&&Math.abs(r-(t[4]<<8))<o},a.prototype.centerFromEnd=function(t,e){return e-t[4]-t[3]-t[2]/2},a.prototype.crossCheckVertical=function(t,e,n,i){for(var r=this.image,o=r.height,a=this.CrossCheckStateCount,s=t;s>=0&&r.data[e+s*r.width];)a[2]++,s--;if(s<0)return NaN;for(;s>=0&&!r.data[e+s*r.width]&&a[1]<=n;)a[1]++,s--;if(s<0||a[1]>n)return NaN;for(;s>=0&&r.data[e+s*r.width]&&a[0]<=n;)a[0]++,s--;if(a[0]>n)return NaN;for(s=t+1;s<o&&r.data[e+s*r.width];)a[2]++,s++;if(s==o)return NaN;for(;s<o&&!r.data[e+s*r.width]&&a[3]<n;)a[3]++,s++;if(s==o||a[3]>=n)return NaN;for(;s<o&&r.data[e+s*r.width]&&a[4]<n;)a[4]++,s++;if(a[4]>=n)return NaN;var h=a[0]+a[1]+a[2]+a[3]+a[4];return 5*Math.abs(h-i)>=2*i?NaN:this.foundPatternCross(a)?this.centerFromEnd(a,s):NaN},a.prototype.crossCheckHorizontal=function(t,e,n,i){for(var r=this.image,o=r.width,a=this.CrossCheckStateCount,s=t;s>=0&&r.data[s+e*r.width];)a[2]++,s--;if(s<0)return NaN;for(;s>=0&&!r.data[s+e*r.width]&&a[1]<=n;)a[1]++,s--;if(s<0||a[1]>n)return NaN;for(;s>=0&&r.data[s+e*r.width]&&a[0]<=n;)a[0]++,s--;if(a[0]>n)return NaN;for(s=t+1;s<o&&r.data[s+e*r.width];)a[2]++,s++;if(s==o)return NaN;for(;s<o&&!r.data[s+e*r.width]&&a[3]<n;)a[3]++,s++;if(s==o||a[3]>=n)return NaN;for(;s<o&&r.data[s+e*r.width]&&a[4]<n;)a[4]++,s++;if(a[4]>=n)return NaN;var h=a[0]+a[1]+a[2]+a[3]+a[4];return 5*Math.abs(h-i)>=i?NaN:this.foundPatternCross(a)?this.centerFromEnd(a,s):NaN},a.prototype.handlePossibleCenter=function(t,e,n){var i=t[0]+t[1]+t[2]+t[3]+t[4],o=this.centerFromEnd(t,n),a=this.crossCheckVertical(e,Math.floor(o),t[2],i);if(!isNaN(a)&&(o=this.crossCheckHorizontal(Math.floor(o),Math.floor(a),t[2],i),!isNaN(o))){for(var s=i/7,h=!1,f=this.possibleCenters.length,w=0;w<f;w++){var u=this.possibleCenters[w];if(u.aboutEquals(s,a,o)){u.incrementCount(),h=!0;break}}if(!h){var l=new r(o,a,s);this.possibleCenters.push(l),null!=this.resultPointCallback&&this.resultPointCallback.foundPossibleResultPoint(l)}return!0}return!1},a.prototype.selectBestPatterns=function(){var t=this.possibleCenters.length;if(t<3)throw"Couldn\'t find enough finder patterns:"+t+" patterns found";if(t>3){for(var e=0,n=0,i=0;i<t;i++){var r=this.possibleCenters[i].estimatedModuleSize;e+=r,n+=r*r}var o=e/t;this.possibleCenters.sort(function(t,e){var n=Math.abs(e.estimatedModuleSize-o),i=Math.abs(t.estimatedModuleSize-o);return n<i?-1:n==i?0:1});for(var a=Math.sqrt(n/t-o*o),s=Math.max(.2*o,a),i=this.possibleCenters-1;i>=0;i--){var h=this.possibleCenters[i];Math.abs(h.estimatedModuleSize-o)>s&&this.possibleCenters.splice(i,1)}}return this.possibleCenters.length>3&&this.possibleCenters.sort(function(t,e){return t.count>e.count?-1:t.count<e.count?1:0}),[this.possibleCenters[0],this.possibleCenters[1],this.possibleCenters[2]]},a.prototype.findRowSkip=function(){var t=this.possibleCenters.length;if(t<=1)return 0;for(var e=null,n=0;n<t;n++){var i=this.possibleCenters[n];if(i.count>=2){if(null!=e)return this.hasSkipped=!0,Math.floor((Math.abs(e.X-i.X)-Math.abs(e.Y-i.Y))/2);e=i}}return 0},a.prototype.haveMultiplyConfirmedCenters=function(){for(var t=0,e=0,n=this.possibleCenters.length,i=0;i<n;i++){var r=this.possibleCenters[i];r.count>=2&&(t++,e+=r.estimatedModuleSize)}if(t<3)return!1;for(var o=e/n,a=0,i=0;i<n;i++)r=this.possibleCenters[i],a+=Math.abs(r.estimatedModuleSize-o);return a<=.05*e},a.prototype.findFinderPattern=function(t){this.image=t;var e=t.height,n=t.width,r=Math.floor(3*e/228);r<3&&(r=3);for(var a=!1,s=new Array(5),h=r-1;h<e&&!a;h+=r){s[0]=0,s[1]=0,s[2]=0,s[3]=0,s[4]=0;for(var f=0,w=0;w<n;w++)if(t.data[w+h*t.width])1==(1&f)&&f++,s[f]++;else if(0==(1&f))if(4==f)if(this.foundPatternCross(s)){var u=this.handlePossibleCenter(s,h,w);if(u)if(r=2,this.hasSkipped)a=this.haveMultiplyConfirmedCenters();else{var l=this.findRowSkip();l>s[2]&&(h+=l-s[2]-r,w=n-1)}else{do{w++}while(w<n&&!t.data[w+h*t.width]);w--}f=0,s[0]=0,s[1]=0,s[2]=0,s[3]=0,s[4]=0}else s[0]=s[2],s[1]=s[3],s[2]=s[4],s[3]=1,s[4]=0,f=3;else s[++f]++;else s[f]++;if(this.foundPatternCross(s)){var u=this.handlePossibleCenter(s,h,n);u&&(r=s[0],this.hasSkipped&&(a=this.haveMultiplyConfirmedCenters()))}}var c=this.selectBestPatterns();return i(c),new o(c)}},function(t,e,n){"use strict";var i=n(1),r={};r.checkAndNudgePoints=function(t,e){for(var n=t.width,i=t.height,r=!0,o=0;o<e.length&&r;o+=2){var a=Math.floor(e[o]),s=Math.floor(e[o+1]);if(a<-1||a>n||s<-1||s>i)throw"Error.checkAndNudgePoints ";r=!1,-1==a?(e[o]=0,r=!0):a==n&&(e[o]=n-1,r=!0),-1==s?(e[o+1]=0,r=!0):s==i&&(e[o+1]=i-1,r=!0)}r=!0;for(var o=e.length-2;o>=0&&r;o-=2){var a=Math.floor(e[o]),s=Math.floor(e[o+1]);if(a<-1||a>n||s<-1||s>i)throw"Error.checkAndNudgePoints ";r=!1,-1==a?(e[o]=0,r=!0):a==n&&(e[o]=n-1,r=!0),-1==s?(e[o+1]=0,r=!0):s==i&&(e[o+1]=i-1,r=!0)}},r.sampleGrid3=function(t,e,n){for(var o=new i.a(e),a=new Array(e<<1),s=0;s<e;s++){for(var h=a.length,f=s+.5,w=0;w<h;w+=2)a[w]=.5+(w>>1),a[w+1]=f;n.transformPoints1(a),r.checkAndNudgePoints(t,a);try{for(var w=0;w<h;w+=2){t.data[Math.floor(a[w])+t.width*Math.floor(a[w+1])]&&o.set_Renamed(w>>1,s)}}catch(t){throw"Error.checkAndNudgePoints"}}return o},e.a=r},function(t,e,n){"use strict";function i(t){this.field=t}e.a=i;var r=n(3),o=n(4);i.prototype.decode=function(t,e){for(var n=new o.a(this.field,t),i=new Array(e),a=0;a<i.length;a++)i[a]=0;for(var s=!0,a=0;a<e;a++){var h=n.evaluateAt(this.field.exp(a));i[i.length-1-a]=h,0!=h&&(s=!1)}if(!s)for(var f=new o.a(this.field,i),w=this.runEuclideanAlgorithm(this.field.buildMonomial(e,1),f,e),u=w[0],l=w[1],c=this.findErrorLocations(u),d=this.findErrorMagnitudes(l,c,!1),a=0;a<c.length;a++){var p=t.length-1-this.field.log(c[a]);if(p<0)throw"ReedSolomonException Bad error location";t[p]=r.a.prototype.addOrSubtract(t[p],d[a])}},i.prototype.runEuclideanAlgorithm=function(t,e,n){if(t.Degree<e.Degree){var i=t;t=e,e=i}for(var r=t,o=e,a=this.field.One,s=this.field.Zero,h=this.field.Zero,f=this.field.One;o.Degree>=Math.floor(n/2);){var w=r,u=a,l=h;if(r=o,a=s,h=f,r.Zero)throw"r_{i-1} was zero";o=w;for(var c=this.field.Zero,d=r.getCoefficient(r.Degree),p=this.field.inverse(d);o.Degree>=r.Degree&&!o.Zero;){var g=o.Degree-r.Degree,v=this.field.multiply(o.getCoefficient(o.Degree),p);c=c.addOrSubtract(this.field.buildMonomial(g,v)),o=o.addOrSubtract(r.multiplyByMonomial(g,v))}s=c.multiply1(a).addOrSubtract(u),f=c.multiply1(h).addOrSubtract(l)}var m=f.getCoefficient(0);if(0==m)throw"ReedSolomonException sigmaTilde(0) was zero";var b=this.field.inverse(m);return[f.multiply2(b),o.multiply2(b)]},i.prototype.findErrorLocations=function(t){var e=t.Degree;if(1==e)return new Array(t.getCoefficient(1));for(var n=new Array(e),i=0,r=1;r<256&&i<e;r++)0==t.evaluateAt(r)&&(n[i]=this.field.inverse(r),i++);if(i!=e)throw"Error locator degree does not match number of roots";return n},i.prototype.findErrorMagnitudes=function(t,e,n){for(var i=e.length,o=new Array(i),a=0;a<i;a++){for(var s=this.field.inverse(e[a]),h=1,f=0;f<i;f++)a!=f&&(h=this.field.multiply(h,r.a.prototype.addOrSubtract(1,this.field.multiply(e[f],s))));o[a]=this.field.multiply(t.evaluateAt(s),this.field.inverse(h)),n&&(o[a]=this.field.multiply(o[a],s))}return o}},function(t,e,n){(function(t){var e=n(6).default,i=new e;i.callback=function(t,e){postMessage({result:e,err:t})},onmessage=function(t){var e=t.data;i.decode(e)}}).call(e,n(7)(t))}]);'},function(e,t,n){"use strict";var r={};r.generateIdentifier=function(){return Math.random().toString(36).substr(2,10)},r.localCName=r.generateIdentifier(),r.splitLines=function(e){return e.trim().split("\n").map(function(e){return e.trim()})},r.splitSections=function(e){return e.split("\nm=").map(function(e,t){return(t>0?"m="+e:e).trim()+"\r\n"})},r.matchPrefix=function(e,t){return r.splitLines(e).filter(function(e){return 0===e.indexOf(t)})},r.parseCandidate=function(e){var t;t=0===e.indexOf("a=candidate:")?e.substring(12).split(" "):e.substring(10).split(" ");for(var n={foundation:t[0],component:t[1],protocol:t[2].toLowerCase(),priority:parseInt(t[3],10),ip:t[4],port:parseInt(t[5],10),type:t[7]},r=8;r<t.length;r+=2)switch(t[r]){case"raddr":n.relatedAddress=t[r+1];break;case"rport":n.relatedPort=parseInt(t[r+1],10);break;case"tcptype":n.tcpType=t[r+1];break;default:n[t[r]]=t[r+1]}return n},r.writeCandidate=function(e){var t=[];t.push(e.foundation),t.push(e.component),t.push(e.protocol.toUpperCase()),t.push(e.priority),t.push(e.ip),t.push(e.port);var n=e.type;return t.push("typ"),t.push(n),"host"!==n&&e.relatedAddress&&e.relatedPort&&(t.push("raddr"),t.push(e.relatedAddress),t.push("rport"),t.push(e.relatedPort)),e.tcpType&&"tcp"===e.protocol.toLowerCase()&&(t.push("tcptype"),t.push(e.tcpType)),"candidate:"+t.join(" ")},r.parseIceOptions=function(e){return e.substr(14).split(" ")},r.parseRtpMap=function(e){var t=e.substr(9).split(" "),n={payloadType:parseInt(t.shift(),10)};return t=t[0].split("/"),n.name=t[0],n.clockRate=parseInt(t[1],10),n.numChannels=3===t.length?parseInt(t[2],10):1,n},r.writeRtpMap=function(e){var t=e.payloadType;return void 0!==e.preferredPayloadType&&(t=e.preferredPayloadType),"a=rtpmap:"+t+" "+e.name+"/"+e.clockRate+(1!==e.numChannels?"/"+e.numChannels:"")+"\r\n"},r.parseExtmap=function(e){var t=e.substr(9).split(" ");return{id:parseInt(t[0],10),direction:t[0].indexOf("/")>0?t[0].split("/")[1]:"sendrecv",uri:t[1]}},r.writeExtmap=function(e){return"a=extmap:"+(e.id||e.preferredId)+(e.direction&&"sendrecv"!==e.direction?"/"+e.direction:"")+" "+e.uri+"\r\n"},r.parseFmtp=function(e){for(var t,n={},r=e.substr(e.indexOf(" ")+1).split(";"),i=0;i<r.length;i++)t=r[i].trim().split("="),n[t[0].trim()]=t[1];return n},r.writeFmtp=function(e){var t="",n=e.payloadType;if(void 0!==e.preferredPayloadType&&(n=e.preferredPayloadType),e.parameters&&Object.keys(e.parameters).length){var r=[];Object.keys(e.parameters).forEach(function(t){r.push(t+"="+e.parameters[t])}),t+="a=fmtp:"+n+" "+r.join(";")+"\r\n"}return t},r.parseRtcpFb=function(e){var t=e.substr(e.indexOf(" ")+1).split(" ");return{type:t.shift(),parameter:t.join(" ")}},r.writeRtcpFb=function(e){var t="",n=e.payloadType;return void 0!==e.preferredPayloadType&&(n=e.preferredPayloadType),e.rtcpFeedback&&e.rtcpFeedback.length&&e.rtcpFeedback.forEach(function(e){t+="a=rtcp-fb:"+n+" "+e.type+(e.parameter&&e.parameter.length?" "+e.parameter:"")+"\r\n"}),t},r.parseSsrcMedia=function(e){var t=e.indexOf(" "),n={ssrc:parseInt(e.substr(7,t-7),10)},r=e.indexOf(":",t);return r>-1?(n.attribute=e.substr(t+1,r-t-1),n.value=e.substr(r+1)):n.attribute=e.substr(t+1),n},r.getMid=function(e){var t=r.matchPrefix(e,"a=mid:")[0];if(t)return t.substr(6)},r.parseFingerprint=function(e){var t=e.substr(14).split(" ");return{algorithm:t[0].toLowerCase(),value:t[1]}},r.getDtlsParameters=function(e,t){return{role:"auto",fingerprints:r.matchPrefix(e+t,"a=fingerprint:").map(r.parseFingerprint)}},r.writeDtlsParameters=function(e,t){var n="a=setup:"+t+"\r\n";return e.fingerprints.forEach(function(e){n+="a=fingerprint:"+e.algorithm+" "+e.value+"\r\n"}),n},r.getIceParameters=function(e,t){var n=r.splitLines(e);return n=n.concat(r.splitLines(t)),{usernameFragment:n.filter(function(e){return 0===e.indexOf("a=ice-ufrag:")})[0].substr(12),password:n.filter(function(e){return 0===e.indexOf("a=ice-pwd:")})[0].substr(10)}},r.writeIceParameters=function(e){return"a=ice-ufrag:"+e.usernameFragment+"\r\na=ice-pwd:"+e.password+"\r\n"},r.parseRtpParameters=function(e){for(var t={codecs:[],headerExtensions:[],fecMechanisms:[],rtcp:[]},n=r.splitLines(e),i=n[0].split(" "),a=3;a<i.length;a++){var o=i[a],s=r.matchPrefix(e,"a=rtpmap:"+o+" ")[0];if(s){var c=r.parseRtpMap(s),d=r.matchPrefix(e,"a=fmtp:"+o+" ");switch(c.parameters=d.length?r.parseFmtp(d[0]):{},c.rtcpFeedback=r.matchPrefix(e,"a=rtcp-fb:"+o+" ").map(r.parseRtcpFb),t.codecs.push(c),c.name.toUpperCase()){case"RED":case"ULPFEC":t.fecMechanisms.push(c.name.toUpperCase())}}}return r.matchPrefix(e,"a=extmap:").forEach(function(e){t.headerExtensions.push(r.parseExtmap(e))}),t},r.writeRtpDescription=function(e,t){var n="";n+="m="+e+" ",n+=t.codecs.length>0?"9":"0",n+=" UDP/TLS/RTP/SAVPF ",n+=t.codecs.map(function(e){return void 0!==e.preferredPayloadType?e.preferredPayloadType:e.payloadType}).join(" ")+"\r\n",n+="c=IN IP4 0.0.0.0\r\n",n+="a=rtcp:9 IN IP4 0.0.0.0\r\n",t.codecs.forEach(function(e){n+=r.writeRtpMap(e),n+=r.writeFmtp(e),n+=r.writeRtcpFb(e)});var i=0;return t.codecs.forEach(function(e){e.maxptime>i&&(i=e.maxptime)}),i>0&&(n+="a=maxptime:"+i+"\r\n"),n+="a=rtcp-mux\r\n",t.headerExtensions.forEach(function(e){n+=r.writeExtmap(e)}),n},r.parseRtpEncodingParameters=function(e){var t,n=[],i=r.parseRtpParameters(e),a=-1!==i.fecMechanisms.indexOf("RED"),o=-1!==i.fecMechanisms.indexOf("ULPFEC"),s=r.matchPrefix(e,"a=ssrc:").map(function(e){return r.parseSsrcMedia(e)}).filter(function(e){return"cname"===e.attribute}),c=s.length>0&&s[0].ssrc,d=r.matchPrefix(e,"a=ssrc-group:FID").map(function(e){var t=e.split(" ");return t.shift(),t.map(function(e){return parseInt(e,10)})});d.length>0&&d[0].length>1&&d[0][0]===c&&(t=d[0][1]),i.codecs.forEach(function(e){if("RTX"===e.name.toUpperCase()&&e.parameters.apt){var r={ssrc:c,codecPayloadType:parseInt(e.parameters.apt,10),rtx:{ssrc:t}};n.push(r),a&&(r=JSON.parse(JSON.stringify(r)),r.fec={ssrc:t,mechanism:o?"red+ulpfec":"red"},n.push(r))}}),0===n.length&&c&&n.push({ssrc:c});var u=r.matchPrefix(e,"b=");return u.length&&(0===u[0].indexOf("b=TIAS:")?u=parseInt(u[0].substr(7),10):0===u[0].indexOf("b=AS:")&&(u=parseInt(u[0].substr(5),10)),n.forEach(function(e){e.maxBitrate=u})),n},r.parseRtcpParameters=function(e){var t={},n=r.matchPrefix(e,"a=ssrc:").map(function(e){return r.parseSsrcMedia(e)}).filter(function(e){return"cname"===e.attribute})[0];n&&(t.cname=n.value,t.ssrc=n.ssrc);var i=r.matchPrefix(e,"a=rtcp-rsize");t.reducedSize=i.length>0,t.compound=0===i.length;var a=r.matchPrefix(e,"a=rtcp-mux");return t.mux=a.length>0,t},r.parseMsid=function(e){var t,n=r.matchPrefix(e,"a=msid:");if(1===n.length)return t=n[0].substr(7).split(" "),{stream:t[0],track:t[1]};var i=r.matchPrefix(e,"a=ssrc:").map(function(e){return r.parseSsrcMedia(e)}).filter(function(e){return"msid"===e.attribute});return i.length>0?(t=i[0].value.split(" "),{stream:t[0],track:t[1]}):void 0},r.writeSessionBoilerplate=function(){return"v=0\r\no=thisisadapterortc 8169639915646943137 2 IN IP4 127.0.0.1\r\ns=-\r\nt=0 0\r\n"},r.writeMediaSection=function(e,t,n,i){var a=r.writeRtpDescription(e.kind,t);if(a+=r.writeIceParameters(e.iceGatherer.getLocalParameters()),a+=r.writeDtlsParameters(e.dtlsTransport.getLocalParameters(),"offer"===n?"actpass":"active"),a+="a=mid:"+e.mid+"\r\n",e.direction?a+="a="+e.direction+"\r\n":e.rtpSender&&e.rtpReceiver?a+="a=sendrecv\r\n":e.rtpSender?a+="a=sendonly\r\n":e.rtpReceiver?a+="a=recvonly\r\n":a+="a=inactive\r\n",e.rtpSender){var o="msid:"+i.id+" "+e.rtpSender.track.id+"\r\n";a+="a="+o,a+="a=ssrc:"+e.sendEncodingParameters[0].ssrc+" "+o,e.sendEncodingParameters[0].rtx&&(a+="a=ssrc:"+e.sendEncodingParameters[0].rtx.ssrc+" "+o,a+="a=ssrc-group:FID "+e.sendEncodingParameters[0].ssrc+" "+e.sendEncodingParameters[0].rtx.ssrc+"\r\n")}return a+="a=ssrc:"+e.sendEncodingParameters[0].ssrc+" cname:"+r.localCName+"\r\n",e.rtpSender&&e.sendEncodingParameters[0].rtx&&(a+="a=ssrc:"+e.sendEncodingParameters[0].rtx.ssrc+" cname:"+r.localCName+"\r\n"),a},r.getDirection=function(e,t){for(var n=r.splitLines(e),i=0;i<n.length;i++)switch(n[i]){case"a=sendrecv":case"a=sendonly":case"a=recvonly":case"a=inactive":return n[i].substr(2)}return t?r.getDirection(t):"sendrecv"},r.getKind=function(e){return r.splitLines(e)[0].split(" ")[0].substr(2)},r.isRejected=function(e){return"0"===e.split(" ",2)[1]},e.exports=r},function(e,t,n){"use strict";!function(){var t=n(0),r=t.log,i=t.browserDetails;e.exports.browserDetails=i,e.exports.extractVersion=t.extractVersion,e.exports.disableLog=t.disableLog;var a=n(6)||null,o=n(8)||null,s=n(11)||null,c=n(13)||null;switch(i.browser){case"chrome":if(!a||!a.shimPeerConnection)return void r("Chrome shim is not included in this adapter release.");r("adapter.js shimming chrome."),e.exports.browserShim=a,a.shimGetUserMedia(),a.shimMediaStream(),t.shimCreateObjectURL(),a.shimSourceObject(),a.shimPeerConnection(),a.shimOnTrack(),a.shimGetSendersWithDtmf();break;case"firefox":if(!s||!s.shimPeerConnection)return void r("Firefox shim is not included in this adapter release.");r("adapter.js shimming firefox."),e.exports.browserShim=s,s.shimGetUserMedia(),t.shimCreateObjectURL(),s.shimSourceObject(),s.shimPeerConnection(),s.shimOnTrack();break;case"edge":if(!o||!o.shimPeerConnection)return void r("MS edge shim is not included in this adapter release.");r("adapter.js shimming edge."),e.exports.browserShim=o,o.shimGetUserMedia(),t.shimCreateObjectURL(),o.shimPeerConnection(),o.shimReplaceTrack();break;case"safari":if(!c)return void r("Safari shim is not included in this adapter release.");r("adapter.js shimming safari."),e.exports.browserShim=c,c.shimCallbacksAPI(),c.shimAddStream(),c.shimOnAddStream(),c.shimGetUserMedia();break;default:r("Unsupported browser!")}}()},function(e,t,n){"use strict";var r=n(0).log,i=n(0).browserDetails,a={shimMediaStream:function(){window.MediaStream=window.MediaStream||window.webkitMediaStream},shimOnTrack:function(){"object"!=typeof window||!window.RTCPeerConnection||"ontrack"in window.RTCPeerConnection.prototype||Object.defineProperty(window.RTCPeerConnection.prototype,"ontrack",{get:function(){return this._ontrack},set:function(e){var t=this;this._ontrack&&(this.removeEventListener("track",this._ontrack),this.removeEventListener("addstream",this._ontrackpoly)),this.addEventListener("track",this._ontrack=e),this.addEventListener("addstream",this._ontrackpoly=function(e){e.stream.addEventListener("addtrack",function(n){var r;r=RTCPeerConnection.prototype.getReceivers?t.getReceivers().find(function(e){return e.track.id===n.track.id}):{track:n.track};var i=new Event("track");i.track=n.track,i.receiver=r,i.streams=[e.stream],t.dispatchEvent(i)}),e.stream.getTracks().forEach(function(n){var r;r=RTCPeerConnection.prototype.getReceivers?t.getReceivers().find(function(e){return e.track.id===n.id}):{track:n};var i=new Event("track");i.track=n,i.receiver=r,i.streams=[e.stream],this.dispatchEvent(i)}.bind(this))}.bind(this))}})},shimGetSendersWithDtmf:function(){if("object"==typeof window&&window.RTCPeerConnection&&!("getSenders"in RTCPeerConnection.prototype)&&"createDTMFSender"in RTCPeerConnection.prototype){RTCPeerConnection.prototype.getSenders=function(){return this._senders||[]};var e=RTCPeerConnection.prototype.addStream,t=RTCPeerConnection.prototype.removeStream;RTCPeerConnection.prototype.addTrack||(RTCPeerConnection.prototype.addTrack=function(e,t){var n=this;if("closed"===n.signalingState)throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError");var r=[].slice.call(arguments,1);if(1!==r.length||!r[0].getTracks().find(function(t){return t===e}))throw new DOMException("The adapter.js addTrack polyfill only supports a single  stream which is associated with the specified track.","NotSupportedError");if(n._senders=n._senders||[],n._senders.find(function(t){return t.track===e}))throw new DOMException("Track already exists.","InvalidAccessError");n._streams=n._streams||{};var i=n._streams[t.id];if(i)i.addTrack(e),n.removeStream(i),n.addStream(i);else{var a=new MediaStream([e]);n._streams[t.id]=a,n.addStream(a)}var o={track:e,get dtmf(){return void 0===this._dtmf&&("audio"===e.kind?this._dtmf=n.createDTMFSender(e):this._dtmf=null),this._dtmf}};return n._senders.push(o),o}),RTCPeerConnection.prototype.addStream=function(t){var n=this;n._senders=n._senders||[],e.apply(n,[t]),t.getTracks().forEach(function(e){n._senders.push({track:e,get dtmf(){return void 0===this._dtmf&&("audio"===e.kind?this._dtmf=n.createDTMFSender(e):this._dtmf=null),this._dtmf}})})},RTCPeerConnection.prototype.removeStream=function(e){var n=this;n._senders=n._senders||[],t.apply(n,[e]),e.getTracks().forEach(function(e){var t=n._senders.find(function(t){return t.track===e});t&&n._senders.splice(n._senders.indexOf(t),1)})}}},shimSourceObject:function(){"object"==typeof window&&(!window.HTMLMediaElement||"srcObject"in window.HTMLMediaElement.prototype||Object.defineProperty(window.HTMLMediaElement.prototype,"srcObject",{get:function(){return this._srcObject},set:function(e){var t=this;if(this._srcObject=e,this.src&&URL.revokeObjectURL(this.src),!e)return void(this.src="");this.src=URL.createObjectURL(e),e.addEventListener("addtrack",function(){t.src&&URL.revokeObjectURL(t.src),t.src=URL.createObjectURL(e)}),e.addEventListener("removetrack",function(){t.src&&URL.revokeObjectURL(t.src),t.src=URL.createObjectURL(e)})}}))},shimPeerConnection:function(){if(window.RTCPeerConnection){var e=RTCPeerConnection;window.RTCPeerConnection=function(t,n){if(t&&t.iceServers){for(var r=[],i=0;i<t.iceServers.length;i++){var a=t.iceServers[i];!a.hasOwnProperty("urls")&&a.hasOwnProperty("url")?(console.warn("RTCIceServer.url is deprecated! Use urls instead."),a=JSON.parse(JSON.stringify(a)),a.urls=a.url,r.push(a)):r.push(t.iceServers[i])}t.iceServers=r}return new e(t,n)},window.RTCPeerConnection.prototype=e.prototype,Object.defineProperty(window.RTCPeerConnection,"generateCertificate",{get:function(){return e.generateCertificate}})}else window.RTCPeerConnection=function(e,t){return r("PeerConnection"),e&&e.iceTransportPolicy&&(e.iceTransports=e.iceTransportPolicy),new webkitRTCPeerConnection(e,t)},window.RTCPeerConnection.prototype=webkitRTCPeerConnection.prototype,webkitRTCPeerConnection.generateCertificate&&Object.defineProperty(window.RTCPeerConnection,"generateCertificate",{get:function(){return webkitRTCPeerConnection.generateCertificate}});var t=RTCPeerConnection.prototype.getStats;RTCPeerConnection.prototype.getStats=function(e,n,r){var i=this,a=arguments;if(arguments.length>0&&"function"==typeof e)return t.apply(this,arguments);if(0===t.length&&(0===arguments.length||"function"!=typeof arguments[0]))return t.apply(this,[]);var o=function(e){var t={};return e.result().forEach(function(e){var n={id:e.id,timestamp:e.timestamp,type:{localcandidate:"local-candidate",remotecandidate:"remote-candidate"}[e.type]||e.type};e.names().forEach(function(t){n[t]=e.stat(t)}),t[n.id]=n}),t},s=function(e){return new Map(Object.keys(e).map(function(t){return[t,e[t]]}))};if(arguments.length>=2){var c=function(e){a[1](s(o(e)))};return t.apply(this,[c,arguments[0]])}return new Promise(function(e,n){t.apply(i,[function(t){e(s(o(t)))},n])}).then(n,r)},i.version<51&&["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(e){var t=RTCPeerConnection.prototype[e];RTCPeerConnection.prototype[e]=function(){var e=arguments,n=this,r=new Promise(function(r,i){t.apply(n,[e[0],r,i])});return e.length<2?r:r.then(function(){e[1].apply(null,[])},function(t){e.length>=3&&e[2].apply(null,[t])})}}),i.version<52&&["createOffer","createAnswer"].forEach(function(e){var t=RTCPeerConnection.prototype[e];RTCPeerConnection.prototype[e]=function(){var e=this;if(arguments.length<1||1===arguments.length&&"object"==typeof arguments[0]){var n=1===arguments.length?arguments[0]:void 0;return new Promise(function(r,i){t.apply(e,[r,i,n])})}return t.apply(this,arguments)}}),["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(e){var t=RTCPeerConnection.prototype[e];RTCPeerConnection.prototype[e]=function(){return arguments[0]=new("addIceCandidate"===e?RTCIceCandidate:RTCSessionDescription)(arguments[0]),t.apply(this,arguments)}});var n=RTCPeerConnection.prototype.addIceCandidate;RTCPeerConnection.prototype.addIceCandidate=function(){return arguments[0]?n.apply(this,arguments):(arguments[1]&&arguments[1].apply(null),Promise.resolve())}}};e.exports={shimMediaStream:a.shimMediaStream,shimOnTrack:a.shimOnTrack,shimGetSendersWithDtmf:a.shimGetSendersWithDtmf,shimSourceObject:a.shimSourceObject,shimPeerConnection:a.shimPeerConnection,shimGetUserMedia:n(7)}},function(e,t,n){"use strict";var r=n(0).log,i=n(0).browserDetails;e.exports=function(){var e=function(e){if("object"!=typeof e||e.mandatory||e.optional)return e;var t={};return Object.keys(e).forEach(function(n){if("require"!==n&&"advanced"!==n&&"mediaSource"!==n){var r="object"==typeof e[n]?e[n]:{ideal:e[n]};void 0!==r.exact&&"number"==typeof r.exact&&(r.min=r.max=r.exact);var i=function(e,t){return e?e+t.charAt(0).toUpperCase()+t.slice(1):"deviceId"===t?"sourceId":t};if(void 0!==r.ideal){t.optional=t.optional||[];var a={};"number"==typeof r.ideal?(a[i("min",n)]=r.ideal,t.optional.push(a),a={},a[i("max",n)]=r.ideal,t.optional.push(a)):(a[i("",n)]=r.ideal,t.optional.push(a))}void 0!==r.exact&&"number"!=typeof r.exact?(t.mandatory=t.mandatory||{},t.mandatory[i("",n)]=r.exact):["min","max"].forEach(function(e){void 0!==r[e]&&(t.mandatory=t.mandatory||{},t.mandatory[i(e,n)]=r[e])})}}),e.advanced&&(t.optional=(t.optional||[]).concat(e.advanced)),t},t=function(t,n){if(t=JSON.parse(JSON.stringify(t)),t&&t.audio&&(t.audio=e(t.audio)),t&&"object"==typeof t.video){var a=t.video.facingMode;a=a&&("object"==typeof a?a:{ideal:a});var o=i.version<61;if(a&&("user"===a.exact||"environment"===a.exact||"user"===a.ideal||"environment"===a.ideal)&&(!navigator.mediaDevices.getSupportedConstraints||!navigator.mediaDevices.getSupportedConstraints().facingMode||o)){delete t.video.facingMode;var s;if("environment"===a.exact||"environment"===a.ideal?s=["back","rear"]:"user"!==a.exact&&"user"!==a.ideal||(s=["front"]),s)return navigator.mediaDevices.enumerateDevices().then(function(i){i=i.filter(function(e){return"videoinput"===e.kind});var o=i.find(function(e){return s.some(function(t){return-1!==e.label.toLowerCase().indexOf(t)})});return!o&&i.length&&-1!==s.indexOf("back")&&(o=i[i.length-1]),o&&(t.video.deviceId=a.exact?{exact:o.deviceId}:{ideal:o.deviceId}),t.video=e(t.video),r("chrome: "+JSON.stringify(t)),n(t)})}t.video=e(t.video)}return r("chrome: "+JSON.stringify(t)),n(t)},n=function(e){return{name:{ConstraintNotSatisfiedError:"OverconstrainedError",PermissionDeniedError:"NotAllowedError",TrackStartError:"NotReadableError"}[e.name]||e.name,message:e.message,constraint:e.constraintName,toString:function(){return this.name+(this.message&&": ")+this.message}}},a=function(e,r,i){t(e,function(e){navigator.webkitGetUserMedia(e,r,function(e){i(n(e))})})};navigator.getUserMedia=a;var o=function(e){return new Promise(function(t,n){navigator.getUserMedia(e,t,n)})};if(navigator.mediaDevices||(navigator.mediaDevices={getUserMedia:o,enumerateDevices:function(){return new Promise(function(e){var t={audio:"audioinput",video:"videoinput"};return MediaStreamTrack.getSources(function(n){e(n.map(function(e){return{label:e.label,kind:t[e.kind],deviceId:e.id,groupId:""}}))})})},getSupportedConstraints:function(){return{deviceId:!0,echoCancellation:!0,facingMode:!0,frameRate:!0,height:!0,width:!0}}}),navigator.mediaDevices.getUserMedia){var s=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(e){return t(e,function(e){return s(e).then(function(t){if(e.audio&&!t.getAudioTracks().length||e.video&&!t.getVideoTracks().length)throw t.getTracks().forEach(function(e){e.stop()}),new DOMException("","NotFoundError");return t},function(e){return Promise.reject(n(e))})})}}else navigator.mediaDevices.getUserMedia=function(e){return o(e)};void 0===navigator.mediaDevices.addEventListener&&(navigator.mediaDevices.addEventListener=function(){r("Dummy mediaDevices.addEventListener called.")}),void 0===navigator.mediaDevices.removeEventListener&&(navigator.mediaDevices.removeEventListener=function(){r("Dummy mediaDevices.removeEventListener called.")})}},function(e,t,n){"use strict";var r=n(0).browserDetails,i=n(10);e.exports={shimGetUserMedia:n(9),shimPeerConnection:function(){if(window.RTCIceGatherer&&(window.RTCIceCandidate||(window.RTCIceCandidate=function(e){return e}),window.RTCSessionDescription||(window.RTCSessionDescription=function(e){return e}),r.version<15025)){var e=Object.getOwnPropertyDescriptor(MediaStreamTrack.prototype,"enabled");Object.defineProperty(MediaStreamTrack.prototype,"enabled",{set:function(t){e.set.call(this,t);var n=new Event("enabled");n.enabled=t,this.dispatchEvent(n)}})}window.RTCPeerConnection=i(r.version)},shimReplaceTrack:function(){!window.RTCRtpSender||"replaceTrack"in RTCRtpSender.prototype||(RTCRtpSender.prototype.replaceTrack=RTCRtpSender.prototype.setTrack)}}},function(e,t,n){"use strict";e.exports=function(){var e=function(e){return{name:{PermissionDeniedError:"NotAllowedError"}[e.name]||e.name,message:e.message,constraint:e.constraint,toString:function(){return this.name}}},t=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(n){return t(n).catch(function(t){return Promise.reject(e(t))})}}},function(e,t,n){"use strict";function r(e){var t=e.filter(function(e){return"audio"===e.kind}),n=e.filter(function(e){return"video"===e.kind});for(e=[];t.length||n.length;)t.length&&e.push(t.shift()),n.length&&e.push(n.shift());return e}function i(e,t){var n=!1;return e=JSON.parse(JSON.stringify(e)),e.filter(function(e){if(e&&(e.urls||e.url)){var r=e.urls||e.url;e.url&&!e.urls&&console.warn("RTCIceServer.url is deprecated! Use urls instead.");var i="string"==typeof r;return i&&(r=[r]),r=r.filter(function(e){return 0!==e.indexOf("turn:")||-1===e.indexOf("transport=udp")||-1!==e.indexOf("turn:[")||n?0===e.indexOf("stun:")&&t>=14393:(n=!0,!0)}),delete e.url,e.urls=i?r[0]:r,!!r.length}return!1})}function a(e,t){var n={codecs:[],headerExtensions:[],fecMechanisms:[]},r=function(e,t){e=parseInt(e,10);for(var n=0;n<t.length;n++)if(t[n].payloadType===e||t[n].preferredPayloadType===e)return t[n]},i=function(e,t,n,i){var a=r(e.parameters.apt,n),o=r(t.parameters.apt,i);return a&&o&&a.name.toLowerCase()===o.name.toLowerCase()};return e.codecs.forEach(function(r){for(var a=0;a<t.codecs.length;a++){var o=t.codecs[a];if(r.name.toLowerCase()===o.name.toLowerCase()&&r.clockRate===o.clockRate){if("rtx"===r.name.toLowerCase()&&r.parameters&&o.parameters.apt&&!i(r,o,e.codecs,t.codecs))continue;o=JSON.parse(JSON.stringify(o)),o.numChannels=Math.min(r.numChannels,o.numChannels),n.codecs.push(o),o.rtcpFeedback=o.rtcpFeedback.filter(function(e){for(var t=0;t<r.rtcpFeedback.length;t++)if(r.rtcpFeedback[t].type===e.type&&r.rtcpFeedback[t].parameter===e.parameter)return!0;return!1});break}}}),e.headerExtensions.forEach(function(e){for(var r=0;r<t.headerExtensions.length;r++){var i=t.headerExtensions[r];if(e.uri===i.uri){n.headerExtensions.push(i);break}}}),n}function o(e,t,n){return-1!=={offer:{setLocalDescription:["stable","have-local-offer"],setRemoteDescription:["stable","have-remote-offer"]},answer:{setLocalDescription:["have-remote-offer","have-local-pranswer"],setRemoteDescription:["have-local-offer","have-remote-pranswer"]}}[t][e].indexOf(n)}var s=n(4);e.exports=function(e){var t=function(t){var n=this,r=document.createDocumentFragment();if(["addEventListener","removeEventListener","dispatchEvent"].forEach(function(e){n[e]=r[e].bind(r)}),this.needNegotiation=!1,this.onicecandidate=null,this.onaddstream=null,this.ontrack=null,this.onremovestream=null,this.onsignalingstatechange=null,this.oniceconnectionstatechange=null,this.onicegatheringstatechange=null,this.onnegotiationneeded=null,this.ondatachannel=null,this.canTrickleIceCandidates=null,this.localStreams=[],this.remoteStreams=[],this.getLocalStreams=function(){return n.localStreams},this.getRemoteStreams=function(){return n.remoteStreams},this.localDescription=new RTCSessionDescription({type:"",sdp:""}),this.remoteDescription=new RTCSessionDescription({type:"",sdp:""}),this.signalingState="stable",this.iceConnectionState="new",this.iceGatheringState="new",this.iceOptions={gatherPolicy:"all",iceServers:[]},t&&t.iceTransportPolicy)switch(t.iceTransportPolicy){case"all":case"relay":this.iceOptions.gatherPolicy=t.iceTransportPolicy}this.usingBundle=t&&"max-bundle"===t.bundlePolicy,t&&t.iceServers&&(this.iceOptions.iceServers=i(t.iceServers,e)),this._config=t||{},this.transceivers=[],this._localIceCandidatesBuffer=[]};return t.prototype._emitGatheringStateChange=function(){var e=new Event("icegatheringstatechange");this.dispatchEvent(e),null!==this.onicegatheringstatechange&&this.onicegatheringstatechange(e)},t.prototype._emitBufferedCandidates=function(){var e=this,t=s.splitSections(e.localDescription.sdp);this._localIceCandidatesBuffer.forEach(function(n){if(n.candidate&&0!==Object.keys(n.candidate).length)t[n.candidate.sdpMLineIndex+1]+="a="+n.candidate.candidate+"\r\n";else for(var r=1;r<t.length;r++)-1===t[r].indexOf("\r\na=end-of-candidates\r\n")&&(t[r]+="a=end-of-candidates\r\n");if(e.localDescription.sdp=t.join(""),e.dispatchEvent(n),null!==e.onicecandidate&&e.onicecandidate(n),!n.candidate&&"complete"!==e.iceGatheringState){e.transceivers.every(function(e){return e.iceGatherer&&"completed"===e.iceGatherer.state})&&"complete"!==e.iceGatheringStateChange&&(e.iceGatheringState="complete",e._emitGatheringStateChange())}}),this._localIceCandidatesBuffer=[]},t.prototype.getConfiguration=function(){return this._config},t.prototype._createTransceiver=function(e){var t=this.transceivers.length>0,n={track:null,iceGatherer:null,iceTransport:null,dtlsTransport:null,localCapabilities:null,remoteCapabilities:null,rtpSender:null,rtpReceiver:null,kind:e,mid:null,sendEncodingParameters:null,recvEncodingParameters:null,stream:null,wantReceive:!0};if(this.usingBundle&&t)n.iceTransport=this.transceivers[0].iceTransport,n.dtlsTransport=this.transceivers[0].dtlsTransport;else{var r=this._createIceAndDtlsTransports();n.iceTransport=r.iceTransport,n.dtlsTransport=r.dtlsTransport}return this.transceivers.push(n),n},t.prototype.addTrack=function(e,t){for(var n,r=0;r<this.transceivers.length;r++)this.transceivers[r].track||this.transceivers[r].kind!==e.kind||(n=this.transceivers[r]);return n||(n=this._createTransceiver(e.kind)),n.track=e,n.stream=t,n.rtpSender=new RTCRtpSender(e,n.dtlsTransport),this._maybeFireNegotiationNeeded(),n.rtpSender},t.prototype.addStream=function(t){var n=this;if(e>=15025)this.localStreams.push(t),t.getTracks().forEach(function(e){n.addTrack(e,t)});else{var r=t.clone();t.getTracks().forEach(function(e,t){var n=r.getTracks()[t];e.addEventListener("enabled",function(e){n.enabled=e.enabled})}),r.getTracks().forEach(function(e){n.addTrack(e,r)}),this.localStreams.push(r)}this._maybeFireNegotiationNeeded()},t.prototype.removeStream=function(e){var t=this.localStreams.indexOf(e);t>-1&&(this.localStreams.splice(t,1),this._maybeFireNegotiationNeeded())},t.prototype.getSenders=function(){return this.transceivers.filter(function(e){return!!e.rtpSender}).map(function(e){return e.rtpSender})},t.prototype.getReceivers=function(){return this.transceivers.filter(function(e){return!!e.rtpReceiver}).map(function(e){return e.rtpReceiver})},t.prototype._createIceGatherer=function(e,t){var n=this,r=new RTCIceGatherer(n.iceOptions);return r.onlocalcandidate=function(i){var a=new Event("icecandidate");a.candidate={sdpMid:e,sdpMLineIndex:t};var o=i.candidate,c=!o||0===Object.keys(o).length;c?void 0===r.state&&(r.state="completed"):(o.component=1,a.candidate.candidate=s.writeCandidate(o));var d=s.splitSections(n.localDescription.sdp);d[a.candidate.sdpMLineIndex+1]+=c?"a=end-of-candidates\r\n":"a="+a.candidate.candidate+"\r\n",n.localDescription.sdp=d.join("");var u=n._pendingOffer?n._pendingOffer:n.transceivers,h=u.every(function(e){return e.iceGatherer&&"completed"===e.iceGatherer.state});switch(n.iceGatheringState){case"new":c||n._localIceCandidatesBuffer.push(a),c&&h&&n._localIceCandidatesBuffer.push(new Event("icecandidate"));break;case"gathering":n._emitBufferedCandidates(),c||(n.dispatchEvent(a),null!==n.onicecandidate&&n.onicecandidate(a)),h&&(n.dispatchEvent(new Event("icecandidate")),null!==n.onicecandidate&&n.onicecandidate(new Event("icecandidate")),n.iceGatheringState="complete",n._emitGatheringStateChange())}},r},t.prototype._createIceAndDtlsTransports=function(){var e=this,t=new RTCIceTransport(null);t.onicestatechange=function(){e._updateConnectionState()};var n=new RTCDtlsTransport(t);return n.ondtlsstatechange=function(){e._updateConnectionState()},n.onerror=function(){Object.defineProperty(n,"state",{value:"failed",writable:!0}),e._updateConnectionState()},{iceTransport:t,dtlsTransport:n}},t.prototype._disposeIceAndDtlsTransports=function(e){var t=this.transceivers[e].iceGatherer;t&&(delete t.onlocalcandidate,delete this.transceivers[e].iceGatherer);var n=this.transceivers[e].iceTransport;n&&(delete n.onicestatechange,delete this.transceivers[e].iceTransport);var r=this.transceivers[e].dtlsTransport;r&&(delete r.ondtlssttatechange,delete r.onerror,delete this.transceivers[e].dtlsTransport)},t.prototype._transceive=function(t,n,r){var i=a(t.localCapabilities,t.remoteCapabilities);n&&t.rtpSender&&(i.encodings=t.sendEncodingParameters,i.rtcp={cname:s.localCName,compound:t.rtcpParameters.compound},t.recvEncodingParameters.length&&(i.rtcp.ssrc=t.recvEncodingParameters[0].ssrc),t.rtpSender.send(i)),r&&t.rtpReceiver&&("video"===t.kind&&t.recvEncodingParameters&&e<15019&&t.recvEncodingParameters.forEach(function(e){delete e.rtx}),i.encodings=t.recvEncodingParameters,i.rtcp={cname:t.rtcpParameters.cname,compound:t.rtcpParameters.compound},t.sendEncodingParameters.length&&(i.rtcp.ssrc=t.sendEncodingParameters[0].ssrc),t.rtpReceiver.receive(i))},t.prototype.setLocalDescription=function(e){var t=this;if(!o("setLocalDescription",e.type,this.signalingState)){var n=new Error("Can not set local "+e.type+" in state "+this.signalingState);return n.name="InvalidStateError",arguments.length>2&&"function"==typeof arguments[2]&&window.setTimeout(arguments[2],0,n),Promise.reject(n)}var r,i;if("offer"===e.type)this._pendingOffer&&(r=s.splitSections(e.sdp),i=r.shift(),r.forEach(function(e,n){var r=s.parseRtpParameters(e);t._pendingOffer[n].localCapabilities=r}),this.transceivers=this._pendingOffer,delete this._pendingOffer);else if("answer"===e.type){r=s.splitSections(t.remoteDescription.sdp),i=r.shift();var c=s.matchPrefix(i,"a=ice-lite").length>0;r.forEach(function(e,n){var r=t.transceivers[n],o=r.iceGatherer,d=r.iceTransport,u=r.dtlsTransport,h=r.localCapabilities,f=r.remoteCapabilities;if(!s.isRejected(e)&&!r.isDatachannel){var l=s.getIceParameters(e,i),p=s.getDtlsParameters(e,i);c&&(p.role="server"),t.usingBundle&&0!==n||(d.start(o,l,c?"controlling":"controlled"),u.start(p));var w=a(h,f);t._transceive(r,w.codecs.length>0,!1)}})}switch(this.localDescription={type:e.type,sdp:e.sdp},e.type){case"offer":this._updateSignalingState("have-local-offer");break;case"answer":this._updateSignalingState("stable");break;default:throw new TypeError('unsupported type "'+e.type+'"')}var d=arguments.length>1&&"function"==typeof arguments[1];if(d){var u=arguments[1];window.setTimeout(function(){u(),"new"===t.iceGatheringState&&(t.iceGatheringState="gathering",t._emitGatheringStateChange()),t._emitBufferedCandidates()},0)}var h=Promise.resolve();return h.then(function(){d||("new"===t.iceGatheringState&&(t.iceGatheringState="gathering",t._emitGatheringStateChange()),window.setTimeout(t._emitBufferedCandidates.bind(t),500))}),h},t.prototype.setRemoteDescription=function(t){var n=this;if(!o("setRemoteDescription",t.type,this.signalingState)){var r=new Error("Can not set remote "+t.type+" in state "+this.signalingState);return r.name="InvalidStateError",arguments.length>2&&"function"==typeof arguments[2]&&window.setTimeout(arguments[2],0,r),Promise.reject(r)}var i={},a=[],c=s.splitSections(t.sdp),d=c.shift(),u=s.matchPrefix(d,"a=ice-lite").length>0,h=s.matchPrefix(d,"a=group:BUNDLE ").length>0;this.usingBundle=h;var f=s.matchPrefix(d,"a=ice-options:")[0];switch(this.canTrickleIceCandidates=!!f&&f.substr(14).split(" ").indexOf("trickle")>=0,c.forEach(function(r,o){var c=s.splitLines(r),f=s.getKind(r),l=s.isRejected(r),p=c[0].substr(2).split(" ")[2],w=s.getDirection(r,d),v=s.parseMsid(r),m=s.getMid(r)||s.generateIdentifier();if("application"===f&&"DTLS/SCTP"===p)return void(n.transceivers[o]={mid:m,isDatachannel:!0});var g,b,y,C,P,k,S,T,E,R,M,x=s.parseRtpParameters(r);l||(R=s.getIceParameters(r,d),M=s.getDtlsParameters(r,d),M.role="client"),S=s.parseRtpEncodingParameters(r);var O=s.parseRtcpParameters(r),D=s.matchPrefix(r,"a=end-of-candidates",d).length>0,L=s.matchPrefix(r,"a=candidate:").map(function(e){return s.parseCandidate(e)}).filter(function(e){return"1"===e.component||1===e.component});"offer"!==t.type||l?"answer"!==t.type||l||(h&&o>0&&(n._disposeIceAndDtlsTransports(o),n.transceivers[o].iceGatherer=n.transceivers[0].iceGatherer,n.transceivers[o].iceTransport=n.transceivers[0].iceTransport,n.transceivers[o].dtlsTransport=n.transceivers[0].dtlsTransport,n.transceivers[o].rtpSender&&n.transceivers[o].rtpSender.setTransport(n.transceivers[0].dtlsTransport),n.transceivers[o].rtpReceiver&&n.transceivers[o].rtpReceiver.setTransport(n.transceivers[0].dtlsTransport)),g=n.transceivers[o],b=g.iceGatherer,y=g.iceTransport,C=g.dtlsTransport,P=g.rtpReceiver,k=g.sendEncodingParameters,T=g.localCapabilities,n.transceivers[o].recvEncodingParameters=S,n.transceivers[o].remoteCapabilities=x,n.transceivers[o].rtcpParameters=O,(u||D)&&L.length&&y.setRemoteCandidates(L),h&&0!==o||(y.start(b,R,"controlling"),C.start(M)),n._transceive(g,"sendrecv"===w||"recvonly"===w,"sendrecv"===w||"sendonly"===w),!P||"sendrecv"!==w&&"sendonly"!==w?delete g.rtpReceiver:(E=P.track,v?(i[v.stream]||(i[v.stream]=new MediaStream),i[v.stream].addTrack(E),a.push([E,P,i[v.stream]])):(i.default||(i.default=new MediaStream),i.default.addTrack(E),a.push([E,P,i.default])))):(g=n.transceivers[o]||n._createTransceiver(f),g.mid=m,g.iceGatherer||(g.iceGatherer=h&&o>0?n.transceivers[0].iceGatherer:n._createIceGatherer(m,o)),!D||h&&0!==o||g.iceTransport.setRemoteCandidates(L),T=RTCRtpReceiver.getCapabilities(f),e<15019&&(T.codecs=T.codecs.filter(function(e){return"rtx"!==e.name})),k=[{ssrc:1001*(2*o+2)}],"sendrecv"!==w&&"sendonly"!==w||(P=new RTCRtpReceiver(g.dtlsTransport,f),E=P.track,v?(i[v.stream]||(i[v.stream]=new MediaStream,Object.defineProperty(i[v.stream],"id",{get:function(){return v.stream}})),Object.defineProperty(E,"id",{get:function(){return v.track}}),i[v.stream].addTrack(E),a.push([E,P,i[v.stream]])):(i.default||(i.default=new MediaStream),i.default.addTrack(E),a.push([E,P,i.default]))),g.localCapabilities=T,g.remoteCapabilities=x,g.rtpReceiver=P,g.rtcpParameters=O,g.sendEncodingParameters=k,g.recvEncodingParameters=S,n._transceive(n.transceivers[o],!1,"sendrecv"===w||"sendonly"===w))}),this.remoteDescription={type:t.type,sdp:t.sdp},t.type){case"offer":this._updateSignalingState("have-remote-offer");break;case"answer":this._updateSignalingState("stable");break;default:throw new TypeError('unsupported type "'+t.type+'"')}return Object.keys(i).forEach(function(e){var t=i[e];if(t.getTracks().length){n.remoteStreams.push(t);var r=new Event("addstream");r.stream=t,n.dispatchEvent(r),null!==n.onaddstream&&window.setTimeout(function(){n.onaddstream(r)},0),a.forEach(function(e){var r=e[0],i=e[1];if(t.id===e[2].id){var a=new Event("track");a.track=r,a.receiver=i,a.streams=[t],n.dispatchEvent(a),null!==n.ontrack&&window.setTimeout(function(){n.ontrack(a)},0)}})}}),window.setTimeout(function(){n&&n.transceivers&&n.transceivers.forEach(function(e){e.iceTransport&&"new"===e.iceTransport.state&&e.iceTransport.getRemoteCandidates().length>0&&(console.warn("Timeout for addRemoteCandidate. Consider sending an end-of-candidates notification"),e.iceTransport.addRemoteCandidate({}))})},4e3),arguments.length>1&&"function"==typeof arguments[1]&&window.setTimeout(arguments[1],0),Promise.resolve()},t.prototype.close=function(){this.transceivers.forEach(function(e){e.iceTransport&&e.iceTransport.stop(),e.dtlsTransport&&e.dtlsTransport.stop(),e.rtpSender&&e.rtpSender.stop(),e.rtpReceiver&&e.rtpReceiver.stop()}),this._updateSignalingState("closed")},t.prototype._updateSignalingState=function(e){this.signalingState=e;var t=new Event("signalingstatechange");this.dispatchEvent(t),null!==this.onsignalingstatechange&&this.onsignalingstatechange(t)},t.prototype._maybeFireNegotiationNeeded=function(){var e=this;"stable"===this.signalingState&&!0!==this.needNegotiation&&(this.needNegotiation=!0,window.setTimeout(function(){if(!1!==e.needNegotiation){e.needNegotiation=!1;var t=new Event("negotiationneeded");e.dispatchEvent(t),null!==e.onnegotiationneeded&&e.onnegotiationneeded(t)}},0))},t.prototype._updateConnectionState=function(){var e,t=this,n={new:0,closed:0,connecting:0,checking:0,connected:0,completed:0,failed:0};if(this.transceivers.forEach(function(e){n[e.iceTransport.state]++,n[e.dtlsTransport.state]++}),n.connected+=n.completed,e="new",n.failed>0?e="failed":n.connecting>0||n.checking>0?e="connecting":n.disconnected>0?e="disconnected":n.new>0?e="new":(n.connected>0||n.completed>0)&&(e="connected"),e!==t.iceConnectionState){t.iceConnectionState=e;var r=new Event("iceconnectionstatechange");this.dispatchEvent(r),null!==this.oniceconnectionstatechange&&this.oniceconnectionstatechange(r)}},t.prototype.createOffer=function(){var t=this;if(this._pendingOffer)throw new Error("createOffer called while there is a pending offer.");var n;1===arguments.length&&"function"!=typeof arguments[0]?n=arguments[0]:3===arguments.length&&(n=arguments[2]);var i=this.transceivers.filter(function(e){return"audio"===e.kind}).length,a=this.transceivers.filter(function(e){return"video"===e.kind}).length;if(n){if(n.mandatory||n.optional)throw new TypeError("Legacy mandatory/optional constraints not supported.");void 0!==n.offerToReceiveAudio&&(i=!0===n.offerToReceiveAudio?1:!1===n.offerToReceiveAudio?0:n.offerToReceiveAudio),void 0!==n.offerToReceiveVideo&&(a=!0===n.offerToReceiveVideo?1:!1===n.offerToReceiveVideo?0:n.offerToReceiveVideo)}for(this.transceivers.forEach(function(e){"audio"===e.kind?--i<0&&(e.wantReceive=!1):"video"===e.kind&&--a<0&&(e.wantReceive=!1)});i>0||a>0;)i>0&&(this._createTransceiver("audio"),i--),a>0&&(this._createTransceiver("video"),a--);var o=r(this.transceivers),c=s.writeSessionBoilerplate();o.forEach(function(n,r){var i=n.track,a=n.kind,c=s.generateIdentifier();n.mid=c,n.iceGatherer||(n.iceGatherer=t.usingBundle&&r>0?o[0].iceGatherer:t._createIceGatherer(c,r));var d=RTCRtpSender.getCapabilities(a);e<15019&&(d.codecs=d.codecs.filter(function(e){return"rtx"!==e.name})),d.codecs.forEach(function(e){"H264"===e.name&&void 0===e.parameters["level-asymmetry-allowed"]&&(e.parameters["level-asymmetry-allowed"]="1")});var u=[{ssrc:1001*(2*r+1)}];i&&e>=15019&&"video"===a&&(u[0].rtx={ssrc:1001*(2*r+1)+1}),n.wantReceive&&(n.rtpReceiver=new RTCRtpReceiver(n.dtlsTransport,a)),n.localCapabilities=d,n.sendEncodingParameters=u}),"max-compat"!==this._config.bundlePolicy&&(c+="a=group:BUNDLE "+o.map(function(e){return e.mid}).join(" ")+"\r\n"),c+="a=ice-options:trickle\r\n",o.forEach(function(e,t){c+=s.writeMediaSection(e,e.localCapabilities,"offer",e.stream),c+="a=rtcp-rsize\r\n"}),this._pendingOffer=o;var d=new RTCSessionDescription({type:"offer",sdp:c});return arguments.length&&"function"==typeof arguments[0]&&window.setTimeout(arguments[0],0,d),Promise.resolve(d)},t.prototype.createAnswer=function(){var t=s.writeSessionBoilerplate();this.usingBundle&&(t+="a=group:BUNDLE "+this.transceivers.map(function(e){return e.mid}).join(" ")+"\r\n"),this.transceivers.forEach(function(n,r){if(n.isDatachannel)return void(t+="m=application 0 DTLS/SCTP 5000\r\nc=IN IP4 0.0.0.0\r\na=mid:"+n.mid+"\r\n");if(n.stream){var i;"audio"===n.kind?i=n.stream.getAudioTracks()[0]:"video"===n.kind&&(i=n.stream.getVideoTracks()[0]),i&&e>=15019&&"video"===n.kind&&(n.sendEncodingParameters[0].rtx={ssrc:1001*(2*r+2)+1})}var o=a(n.localCapabilities,n.remoteCapabilities);!o.codecs.filter(function(e){return"rtx"===e.name.toLowerCase()}).length&&n.sendEncodingParameters[0].rtx&&delete n.sendEncodingParameters[0].rtx,t+=s.writeMediaSection(n,o,"answer",n.stream),n.rtcpParameters&&n.rtcpParameters.reducedSize&&(t+="a=rtcp-rsize\r\n")});var n=new RTCSessionDescription({type:"answer",sdp:t});return arguments.length&&"function"==typeof arguments[0]&&window.setTimeout(arguments[0],0,n),Promise.resolve(n)},t.prototype.addIceCandidate=function(e){if(e){var t=e.sdpMLineIndex;if(e.sdpMid)for(var n=0;n<this.transceivers.length;n++)if(this.transceivers[n].mid===e.sdpMid){t=n;break}var r=this.transceivers[t];if(r){var i=Object.keys(e.candidate).length>0?s.parseCandidate(e.candidate):{};if("tcp"===i.protocol&&(0===i.port||9===i.port))return Promise.resolve();if(i.component&&"1"!==i.component&&1!==i.component)return Promise.resolve();r.iceTransport.addRemoteCandidate(i);var a=s.splitSections(this.remoteDescription.sdp);a[t+1]+=(i.type?e.candidate.trim():"a=end-of-candidates")+"\r\n",this.remoteDescription.sdp=a.join("")}}else for(var o=0;o<this.transceivers.length;o++)if(this.transceivers[o].iceTransport.addRemoteCandidate({}),this.usingBundle)return Promise.resolve();return arguments.length>1&&"function"==typeof arguments[1]&&window.setTimeout(arguments[1],0),Promise.resolve()},t.prototype.getStats=function(){var e=[];this.transceivers.forEach(function(t){["rtpSender","rtpReceiver","iceGatherer","iceTransport","dtlsTransport"].forEach(function(n){t[n]&&e.push(t[n].getStats())})});var t=arguments.length>1&&"function"==typeof arguments[1]&&arguments[1],n=function(e){return{inboundrtp:"inbound-rtp",outboundrtp:"outbound-rtp",candidatepair:"candidate-pair",localcandidate:"local-candidate",remotecandidate:"remote-candidate"}[e.type]||e.type};return new Promise(function(r){var i=new Map;Promise.all(e).then(function(e){e.forEach(function(e){Object.keys(e).forEach(function(t){e[t].type=n(e[t]),i.set(t,e[t])})}),t&&window.setTimeout(t,0,i),r(i)})})},t}},function(e,t,n){"use strict";var r=n(0).browserDetails,i={shimOnTrack:function(){"object"!=typeof window||!window.RTCPeerConnection||"ontrack"in window.RTCPeerConnection.prototype||Object.defineProperty(window.RTCPeerConnection.prototype,"ontrack",{get:function(){return this._ontrack},set:function(e){this._ontrack&&(this.removeEventListener("track",this._ontrack),this.removeEventListener("addstream",this._ontrackpoly)),this.addEventListener("track",this._ontrack=e),this.addEventListener("addstream",this._ontrackpoly=function(e){e.stream.getTracks().forEach(function(t){var n=new Event("track");n.track=t,n.receiver={track:t},n.streams=[e.stream],this.dispatchEvent(n)}.bind(this))}.bind(this))}})},shimSourceObject:function(){"object"==typeof window&&(!window.HTMLMediaElement||"srcObject"in window.HTMLMediaElement.prototype||Object.defineProperty(window.HTMLMediaElement.prototype,"srcObject",{get:function(){return this.mozSrcObject},set:function(e){this.mozSrcObject=e}}))},shimPeerConnection:function(){if("object"==typeof window&&(window.RTCPeerConnection||window.mozRTCPeerConnection)){window.RTCPeerConnection||(window.RTCPeerConnection=function(e,t){if(r.version<38&&e&&e.iceServers){for(var n=[],i=0;i<e.iceServers.length;i++){var a=e.iceServers[i];if(a.hasOwnProperty("urls"))for(var o=0;o<a.urls.length;o++){var s={url:a.urls[o]};0===a.urls[o].indexOf("turn")&&(s.username=a.username,s.credential=a.credential),n.push(s)}else n.push(e.iceServers[i])}e.iceServers=n}return new mozRTCPeerConnection(e,t)},window.RTCPeerConnection.prototype=mozRTCPeerConnection.prototype,mozRTCPeerConnection.generateCertificate&&Object.defineProperty(window.RTCPeerConnection,"generateCertificate",{get:function(){return mozRTCPeerConnection.generateCertificate}}),window.RTCSessionDescription=mozRTCSessionDescription,window.RTCIceCandidate=mozRTCIceCandidate),["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(e){var t=RTCPeerConnection.prototype[e];RTCPeerConnection.prototype[e]=function(){return arguments[0]=new("addIceCandidate"===e?RTCIceCandidate:RTCSessionDescription)(arguments[0]),t.apply(this,arguments)}});var e=RTCPeerConnection.prototype.addIceCandidate;RTCPeerConnection.prototype.addIceCandidate=function(){return arguments[0]?e.apply(this,arguments):(arguments[1]&&arguments[1].apply(null),Promise.resolve())};var t=function(e){var t=new Map;return Object.keys(e).forEach(function(n){t.set(n,e[n]),t[n]=e[n]}),t},n={inboundrtp:"inbound-rtp",outboundrtp:"outbound-rtp",candidatepair:"candidate-pair",localcandidate:"local-candidate",remotecandidate:"remote-candidate"},i=RTCPeerConnection.prototype.getStats;RTCPeerConnection.prototype.getStats=function(e,a,o){return i.apply(this,[e||null]).then(function(e){if(r.version<48&&(e=t(e)),r.version<53&&!a)try{e.forEach(function(e){e.type=n[e.type]||e.type})}catch(t){if("TypeError"!==t.name)throw t;e.forEach(function(t,r){e.set(r,Object.assign({},t,{type:n[t.type]||t.type}))})}return e}).then(a,o)}}}};e.exports={shimOnTrack:i.shimOnTrack,shimSourceObject:i.shimSourceObject,shimPeerConnection:i.shimPeerConnection,shimGetUserMedia:n(12)}},function(e,t,n){"use strict";var r=n(0).log,i=n(0).browserDetails;e.exports=function(){var e=function(e){return{name:{InternalError:"NotReadableError",NotSupportedError:"TypeError",PermissionDeniedError:"NotAllowedError",SecurityError:"NotAllowedError"}[e.name]||e.name,message:{"The operation is insecure.":"The request is not allowed by the user agent or the platform in the current context."}[e.message]||e.message,constraint:e.constraint,toString:function(){return this.name+(this.message&&": ")+this.message}}},t=function(t,n,a){var o=function(e){if("object"!=typeof e||e.require)return e;var t=[];return Object.keys(e).forEach(function(n){if("require"!==n&&"advanced"!==n&&"mediaSource"!==n){var r=e[n]="object"==typeof e[n]?e[n]:{ideal:e[n]};if(void 0===r.min&&void 0===r.max&&void 0===r.exact||t.push(n),void 0!==r.exact&&("number"==typeof r.exact?r.min=r.max=r.exact:e[n]=r.exact,delete r.exact),void 0!==r.ideal){e.advanced=e.advanced||[];var i={};"number"==typeof r.ideal?i[n]={min:r.ideal,max:r.ideal}:i[n]=r.ideal,e.advanced.push(i),delete r.ideal,Object.keys(r).length||delete e[n]}}}),t.length&&(e.require=t),e};return t=JSON.parse(JSON.stringify(t)),i.version<38&&(r("spec: "+JSON.stringify(t)),t.audio&&(t.audio=o(t.audio)),t.video&&(t.video=o(t.video)),r("ff37: "+JSON.stringify(t))),navigator.mozGetUserMedia(t,n,function(t){a(e(t))})},n=function(e){return new Promise(function(n,r){t(e,n,r)})};if(navigator.mediaDevices||(navigator.mediaDevices={getUserMedia:n,addEventListener:function(){},removeEventListener:function(){}}),navigator.mediaDevices.enumerateDevices=navigator.mediaDevices.enumerateDevices||function(){return new Promise(function(e){e([{kind:"audioinput",deviceId:"default",label:"",groupId:""},{kind:"videoinput",deviceId:"default",label:"",groupId:""}])})},i.version<41){var a=navigator.mediaDevices.enumerateDevices.bind(navigator.mediaDevices);navigator.mediaDevices.enumerateDevices=function(){return a().then(void 0,function(e){if("NotFoundError"===e.name)return[];throw e})}}if(i.version<49){var o=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(t){return o(t).then(function(e){if(t.audio&&!e.getAudioTracks().length||t.video&&!e.getVideoTracks().length)throw e.getTracks().forEach(function(e){e.stop()}),new DOMException("The object can not be found here.","NotFoundError");return e},function(t){return Promise.reject(e(t))})}}navigator.getUserMedia=function(e,n,r){if(i.version<44)return t(e,n,r);console.warn("navigator.getUserMedia has been replaced by navigator.mediaDevices.getUserMedia"),navigator.mediaDevices.getUserMedia(e).then(n,r)}}},function(e,t,n){"use strict";var r={shimAddStream:function(){"object"!=typeof window||!window.RTCPeerConnection||"addStream"in window.RTCPeerConnection.prototype||(RTCPeerConnection.prototype.addStream=function(e){var t=this;e.getTracks().forEach(function(n){t.addTrack(n,e)})})},shimOnAddStream:function(){"object"!=typeof window||!window.RTCPeerConnection||"onaddstream"in window.RTCPeerConnection.prototype||Object.defineProperty(window.RTCPeerConnection.prototype,"onaddstream",{get:function(){return this._onaddstream},set:function(e){this._onaddstream&&(this.removeEventListener("addstream",this._onaddstream),this.removeEventListener("track",this._onaddstreampoly)),this.addEventListener("addstream",this._onaddstream=e),this.addEventListener("track",this._onaddstreampoly=function(e){var t=e.streams[0];if(this._streams||(this._streams=[]),!(this._streams.indexOf(t)>=0)){this._streams.push(t);var n=new Event("addstream");n.stream=e.streams[0],this.dispatchEvent(n)}}.bind(this))}})},shimCallbacksAPI:function(){if("object"==typeof window&&window.RTCPeerConnection){var e=RTCPeerConnection.prototype,t=e.createOffer,n=e.createAnswer,r=e.setLocalDescription,i=e.setRemoteDescription,a=e.addIceCandidate;e.createOffer=function(e,n){var r=arguments.length>=2?arguments[2]:arguments[0],i=t.apply(this,[r]);return n?(i.then(e,n),Promise.resolve()):i},e.createAnswer=function(e,t){var r=arguments.length>=2?arguments[2]:arguments[0],i=n.apply(this,[r]);return t?(i.then(e,t),Promise.resolve()):i};var o=function(e,t,n){var i=r.apply(this,[e]);return n?(i.then(t,n),Promise.resolve()):i};e.setLocalDescription=o,o=function(e,t,n){var r=i.apply(this,[e]);return n?(r.then(t,n),Promise.resolve()):r},e.setRemoteDescription=o,o=function(e,t,n){var r=a.apply(this,[e]);return n?(r.then(t,n),Promise.resolve()):r},e.addIceCandidate=o}},shimGetUserMedia:function(){navigator.getUserMedia||(navigator.webkitGetUserMedia?navigator.getUserMedia=navigator.webkitGetUserMedia.bind(navigator):navigator.mediaDevices&&navigator.mediaDevices.getUserMedia&&(navigator.getUserMedia=function(e,t,n){navigator.mediaDevices.getUserMedia(e).then(t,n)}.bind(navigator)))}};e.exports={shimCallbacksAPI:r.shimCallbacksAPI,shimAddStream:r.shimAddStream,shimOnAddStream:r.shimOnAddStream,shimGetUserMedia:r.shimGetUserMedia}},function(e,t,n){function r(){function e(e){return"function"==typeof e?e:function(){}}var t=n(2),r=n(1),i=r(),a={prepare:i.prepare,show:i.show,hide:i.hide,scan:i.scan,cancelScan:i.cancelScan,pausePreview:i.pausePreview,resumePreview:i.resumePreview,enableLight:i.enableLight,disableLight:i.disableLight,useCamera:i.useCamera,openSettings:i.openSettings,getStatus:i.getStatus,destroy:i.destroy};return t({exec:function(t,n,r,i,o){if("QRScanner"!==r||!a[i])return n(0);o?a[i](e(t),e(n),o):a[i](e(t),e(n))}})}e.exports=new r}])});
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