quaggaJS/dist/quagga.min.js

!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t(t.toString())["default"]:"object"==typeof exports?exports.Quagga=t(t.toString())["default"]:e.Quagga=t(t.toString())["default"]}(this,function(e){return function(e){function t(r){if(n[r])return n[r].e;var o=n[r]={e:{},i:r,l:!1};return e[r].call(o.e,o,o.e,t),o.l=!0,o.e}var n={};return t.m=e,t.c=n,t.p="/",t(t.s=174)}([function(e,t,n){"use strict";var r=!0,o={disableLog:function(e){return"boolean"!=typeof e?new Error("Argument type: "+typeof e+". Please use a boolean."):(r=e,e?"adapter.js logging disabled":"adapter.js logging enabled")},log:function(){if("object"==typeof window){if(r)return;"undefined"!=typeof console&&"function"==typeof console.log&&console.log.apply(console,arguments)}},extractVersion:function(e,t,n){var r=e.match(t);return r&&r.length>=n&&parseInt(r[n],10)},detectBrowser:function(){var e={};if(e.browser=null,e.version=null,"undefined"==typeof window||!window.navigator)return e.browser="Not a browser.",e;if(navigator.mozGetUserMedia)e.browser="firefox",e.version=this.extractVersion(navigator.userAgent,/Firefox\/([0-9]+)\./,1);else if(navigator.webkitGetUserMedia)if(window.webkitRTCPeerConnection)e.browser="chrome",e.version=this.extractVersion(navigator.userAgent,/Chrom(e|ium)\/([0-9]+)\./,2);else{if(!navigator.userAgent.match(/Version\/(\d+).(\d+)/))return e.browser="Unsupported webkit-based browser with GUM support but no WebRTC support.",e;e.browser="safari",e.version=this.extractVersion(navigator.userAgent,/AppleWebKit\/([0-9]+)\./,1)}else{if(!navigator.mediaDevices||!navigator.userAgent.match(/Edge\/(\d+).(\d+)$/))return e.browser="Not a supported browser.",e;e.browser="edge",e.version=this.extractVersion(navigator.userAgent,/Edge\/(\d+).(\d+)$/,2)}return e}};e.e={log:o.log,disableLog:o.disableLog,browserDetails:o.detectBrowser(),extractVersion:o.extractVersion}},function(e,t,n){var r=n(43),o="object"==typeof self&&self&&self.Object===Object&&self,i=r||o||Function("return this")();e.e=i},function(e,t,n){function r(e){var t=typeof e;return!!e&&("object"==t||"function"==t)}e.e=r},function(e,t,n){function r(e,t){e=a.a.bind()(o(),e),c.a.call(this,e,t)}function o(){var e={};return Object.keys(r.CONFIG_KEYS).forEach(function(t){e[t]=r.CONFIG_KEYS[t]["default"]}),e}var i=n(17),a=i&&i.__esModule?function(){return i["default"]}:function(){return i};Object.defineProperty(a,"a",{get:a});var c=n(6),s=Object.assign||function(e){for(var t=1;t<arguments.length;t++){var n=arguments[t];for(var r in n)Object.prototype.hasOwnProperty.call(n,r)&&(e[r]=n[r])}return e},u={CODE_L_START:{value:0},CODE_G_START:{value:10},START_PATTERN:{value:[1,1,1]},STOP_PATTERN:{value:[1,1,1]},MIDDLE_PATTERN:{value:[1,1,1,1,1]},EXTENSION_START_PATTERN:{value:[1,1,2]},CODE_PATTERN:{value:[[3,2,1,1],[2,2,2,1],[2,1,2,2],[1,4,1,1],[1,1,3,2],[1,2,3,1],[1,1,1,4],[1,3,1,2],[1,2,1,3],[3,1,1,2],[1,1,2,3],[1,2,2,2],[2,2,1,2],[1,1,4,1],[2,3,1,1],[1,3,2,1],[4,1,1,1],[2,1,3,1],[3,1,2,1],[2,1,1,3]]},CODE_FREQUENCY:{value:[0,11,13,14,19,25,28,21,22,26]},SINGLE_CODE_ERROR:{value:.7},AVG_CODE_ERROR:{value:.48},FORMAT:{value:"ean_13",writeable:!1}};r.prototype=Object.create(c.a.prototype,u),r.prototype.constructor=r,r.prototype._decodeCode=function(e,t){var n,r,o,i=[0,0,0,0],a=this,c=e,s=!a._row[c],u=0,d={error:Number.MAX_VALUE,code:-1,start:e,end:e};for(t||(t=a.CODE_PATTERN.length),n=c;n<a._row.length;n++)if(a._row[n]^s)i[u]++;else{if(u===i.length-1){for(r=0;r<t;r++)o=a._matchPattern(i,a.CODE_PATTERN[r]),o<d.error&&(d.code=r,d.error=o);return d.end=n,d.error>a.AVG_CODE_ERROR?null:d}u++,i[u]=1,s=!s}return null},r.prototype._findPattern=function(e,t,n,r,o){var i,a,c,s,u=[],d=this,f=0,l={error:Number.MAX_VALUE,code:-1,start:0,end:0};for(t||(t=d._nextSet(d._row)),void 0===n&&(n=!1),void 0===r&&(r=!0),void 0===o&&(o=d.AVG_CODE_ERROR),i=0;i<e.length;i++)u[i]=0;for(i=t;i<d._row.length;i++)if(d._row[i]^n)u[f]++;else{if(f===u.length-1){for(s=0,c=0;c<u.length;c++)s+=u[c];if(a=d._matchPattern(u,e),a<o)return l.error=a,l.start=i-s,l.end=i,l;if(!r)return null;for(c=0;c<u.length-2;c++)u[c
type:"ImageStream",sequence:!1,size:800,src:e.src},numOfWorkers:1,locator:{halfSample:!1}},e),this.init(e,function(){B.a.once("processed",function(e){n.stop(),t.call(null,e)},!0),b()})},ImageWrapper:z.a,ImageDebug:V.a,ResultCollector:H.a}},function(e,t,n){function r(e,t){return!!t&&t.some(function(t){return Object.keys(t).every(function(n){return t[n]===e[n]})})}function o(e,t){return"function"!=typeof t||t(e)}var i=n(9);t.a={create:function(e){function t(t){return s&&t&&!r(t,e.blacklist)&&o(t,e.filter)}var n=document.createElement("canvas"),a=n.getContext("2d"),c=[],s=e.capacity||20,u=e.capture===!0;return{addResult:function(e,r,o){var d={};t(o)&&(s--,d.codeResult=o,u&&(n.width=r.x,n.height=r.y,i.a.drawImage(e,r,a),d.frame=n.toDataURL()),c.push(d))},getResults:function(){return c}}}}},function(e,t,n){var r={clone:n(7),dot:n(31)};t.a={create:function(e,t){function n(){o(e),i()}function o(e){s[e.id]=e,a.push(e)}function i(){var e,t=0;for(e=0;e<a.length;e++)t+=a[e].rad;c.rad=t/a.length,c.vec=r.clone([Math.cos(c.rad),Math.sin(c.rad)])}var a=[],c={rad:0,vec:r.clone([0,0])},s={};return n(),{add:function(e){s[e.id]||(o(e),i())},fits:function(e){var n=Math.abs(r.dot(e.point.vec,c.vec));return n>t},getPoints:function(){return a},getCenter:function(){return c}}},createPoint:function(e,t,n){return{rad:e[n],point:e,id:t}}}},function(e,t,n){t.a=function(){function e(e){return o[e]||(o[e]={subscribers:[]}),o[e]}function t(){o={}}function n(e,t){e.async?setTimeout(function(){e.callback(t)},4):e.callback(t)}function r(t,n,r){var o;if("function"==typeof n)o={callback:n,async:r};else if(o=n,!o.callback)throw"Callback was not specified on options";e(t).subscribers.push(o)}var o={};return{subscribe:function(e,t,n){return r(e,t,n)},publish:function(t,r){var o=e(t),i=o.subscribers;i.filter(function(e){return!!e.once}).forEach(function(e){n(e,r)}),o.subscribers=i.filter(function(e){return!e.once}),o.subscribers.forEach(function(e){n(e,r)})},once:function(e,t,n){r(e,{callback:t,async:n,once:!0})},unsubscribe:function(n,r){var o;n?(o=e(n),o&&r?o.subscribers=o.subscribers.filter(function(e){return e.callback!==r}):o.subscribers=[]):t()}}}()},function(e,t,n){function r(e,t,n){n||(n={data:null,size:t}),this.data=n.data,this.originalSize=n.size,this.I=n,this.from=e,this.size=t}r.prototype.show=function(e,t){var n,r,o,i,a,c,s;for(t||(t=1),n=e.getContext("2d"),e.width=this.size.x,e.height=this.size.y,r=n.getImageData(0,0,e.width,e.height),o=r.data,i=0,a=0;a<this.size.y;a++)for(c=0;c<this.size.x;c++)s=a*this.size.x+c,i=this.get(c,a)*t,o[4*s+0]=i,o[4*s+1]=i,o[4*s+2]=i,o[4*s+3]=255;r.data=o,n.putImageData(r,0,0)},r.prototype.get=function(e,t){return this.data[(this.from.y+t)*this.originalSize.x+this.from.x+e]},r.prototype.updateData=function(e){this.originalSize=e.size,this.data=e.data},r.prototype.updateFrom=function(e){return this.from=e,this},t.a=r},function(e,t){"undefined"!=typeof window&&(window.requestAnimFrame=function(){return window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||window.oRequestAnimationFrame||window.msRequestAnimationFrame||function(e){window.setTimeout(e,1e3/60)}}()),Math.imul=Math.imul||function(e,t){var n=e>>>16&65535,r=65535&e,o=t>>>16&65535,i=65535&t;return r*i+(n*i+r*o<<16>>>0)|0}},function(e,t,n){var r=void 0;r=n(59),t.a=r},function(e,t,n){e.e={inputStream:{name:"Live",type:"LiveStream",constraints:{width:640,height:480,facingMode:"environment"},area:{top:"0%",right:"0%",left:"0%",bottom:"0%"},singleChannel:!1},locate:!0,numOfWorkers:4,decoder:{readers:["code_128_reader"]},locator:{halfSample:!0,patchSize:"medium"}}},function(e,t,n){var r=n(61),o=(n(9),n(71)),i=n(3),a=n(30),c=n(72),s=n(70),u=n(78),d=n(75),f=n(73),l=n(74),p=n(77),h=n(76),v="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol?"symbol":typeof e},g={code_128_reader:o.a,ean_reader:i.a,ean_5_reader:l.a,ean_2_reader:f.a,ean_8_reader:d.a,code_39_reader:a.a,code_39_vin_reader:c.a,codabar_reader:s.a,upc_reader:u
t.push(e.tcpType)),"candidate:"+t.join(" ")},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),uri:t[1]}},r.writeExtmap=function(e){return"a=extmap:"+(e.id||e.preferredId)+" "+e.uri+"\r\n"},r.parseFmtp=function(e){for(var t,n={},r=e.substr(e.indexOf(" ")+1).split(";"),o=0;o<r.length;o++)t=r[o].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.getDtlsParameters=function(e,t){var n=r.splitLines(e);n=n.concat(r.splitLines(t));var o=n.filter(function(e){return 0===e.indexOf("a=fingerprint:")})[0].substr(14),i={role:"auto",fingerprints:[{algorithm:o.split(" ")[0],value:o.split(" ")[1]}]};return i},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);n=n.concat(r.splitLines(t));var o={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)};return o},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),o=n[0].split(" "),i=3;i<o.length;i++){var a=o[i],c=r.matchPrefix(e,"a=rtpmap:"+a+" ")[0];if(c){var s=r.parseRtpMap(c),u=r.matchPrefix(e,"a=fmtp:"+a+" ");switch(s.parameters=u.length?r.parseFmtp(u[0]):{},s.rtcpFeedback=r.matchPrefix(e,"a=rtcp-fb:"+a+" ").map(r.parseRtcpFb),t.codecs.push(s),s.name.toUpperCase()){case"RED":case"ULPFEC":t.fecMechanisms.push(s.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="";return 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)}),n+="a=rtcp-mux\r\n"},r.parseRtpEncodingParameters=function(e){var t,n=[],o=r.parseRtpParameters(e),i=o.fecMechanisms.indexOf("RED")!==-1,a=o.fecMechanisms.indexOf("ULPFEC")!==-1,c=r.matchPrefix(e,"a=ssrc:").map(function(e){return r.parseSsrcMedia(e)}).filter(function(e){return"cname"===e.attribute}),s=c.length>0&&c[0].ssrc,u=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)})});u.length>0&&u[0].length>1&&u[0][0]===s&&(t=u[0][1]),o.codecs.forEach(function(e){if("RTX"===e.name.toUpperCase()&&e.parameters.apt){var r={ssrc:s,codecPay
},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 null===arguments[0]?Promise.resolve():e.apply(this,arguments)};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=RTCPeerConnection.prototype.getStats;RTCPeerConnection.prototype.getStats=function(e,r,o){return n.apply(this,[e||null]).then(function(e){return t(e)}).then(r,o)}}}};e.e={shimOnTrack:o.shimOnTrack,shimSourceObject:o.shimSourceObject,shimPeerConnection:o.shimPeerConnection,shimGetUserMedia:n(172)}},function(e,t,n){"use strict";var r=n(0).log,o=n(0).browserDetails;e.e=function(){var e=function(e){return{name:{SecurityError:"NotAllowedError",PermissionDeniedError:"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,i){var a=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 o={};"number"==typeof r.ideal?o[n]={min:r.ideal,max:r.ideal}:o[n]=r.ideal,e.advanced.push(o),delete r.ideal,Object.keys(r).length||delete e[n]}}}),t.length&&(e.require=t),e};return t=JSON.parse(JSON.stringify(t)),o.version<38&&(r("spec: "+JSON.stringify(t)),t.audio&&(t.audio=a(t.audio)),t.video&&(t.video=a(t.video)),r("ff37: "+JSON.stringify(t))),navigator.mozGetUserMedia(t,n,function(t){i(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){var t=[{kind:"audioinput",deviceId:"default",label:"",groupId:""},{kind:"videoinput",deviceId:"default",label:"",groupId:""}];e(t)})},o.version<41){var i=navigator.mediaDevices.enumerateDevices.bind(navigator.mediaDevices);navigator.mediaDevices.enumerateDevices=function(){return i().then(void 0,function(e){if("NotFoundError"===e.name)return[];throw e})}}if(o.version<49){var a=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(t){return a(t)["catch"](function(t){return Promise.reject(e(t))})}}navigator.getUserMedia=function(e,n,r){return o.version<44?t(e,n,r):(console.warn("navigator.getUserMedia has been replaced by navigator.mediaDevices.getUserMedia"),void navigator.mediaDevices.getUserMedia(e).then(n,r))}}},function(e,t,n){"use strict";var r={shimGetUserMedia:function(){navigator.getUserMedia=navigator.webkitGetUserMedia}};e.e={shimGetUserMedia:r.shimGetUserMedia}},function(e,t,n){e.e=n(52)}])});