dingrtc/dist/index.umd.js

dingRTC web端 sdk

!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports):"function"==typeof define&&define.amd?define(["exports"],t):t((e="undefined"!=typeof globalThis?globalThis:e||self).DingRTC={})}(this,function(exports){"use strict";function _mergeNamespaces(e,t){return t.forEach(function(t){t&&"string"!=typeof t&&!Array.isArray(t)&&Object.keys(t).forEach(function(r){if("default"!==r&&!(r in e)){var n=Object.getOwnPropertyDescriptor(t,r);Object.defineProperty(e,r,n.get?n:{enumerable:!0,get:function(){return t[r]}})}})}),Object.freeze(e)}function asyncGeneratorStep$1(e,t,r,n,i,o,a){try{var s=e[o](a),c=s.value}catch(e){return void r(e)}s.done?t(c):Promise.resolve(c).then(n,i)}function _asyncToGenerator$1(e){return function(){var t=this,r=arguments;return new Promise(function(n,i){var o=e.apply(t,r);function a(e){asyncGeneratorStep$1(o,n,i,a,s,"next",e)}function s(e){asyncGeneratorStep$1(o,n,i,a,s,"throw",e)}a(void 0)})}}function _classCallCheck$1(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function _typeof$3(e){return _typeof$3="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},_typeof$3(e)}function toPrimitive$1(e,t){if("object"!=_typeof$3(e)||!e)return e;var r=e[Symbol.toPrimitive];if(void 0!==r){var n=r.call(e,t);if("object"!=_typeof$3(n))return n;throw new TypeError("@@toPrimitive must return a primitive value.")}return String(e)}function toPropertyKey$1(e){var t=toPrimitive$1(e,"string");return"symbol"==_typeof$3(t)?t:t+""}function _defineProperties$1(e,t){for(var r=0;r<t.length;r++){var n=t[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,toPropertyKey$1(n.key),n)}}function _createClass$1(e,t,r){return t&&_defineProperties$1(e.prototype,t),r&&_defineProperties$1(e,r),Object.defineProperty(e,"prototype",{writable:!1}),e}function _assertThisInitialized$1(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}function _possibleConstructorReturn$1(e,t){if(t&&("object"==_typeof$3(t)||"function"==typeof t))return t;if(void 0!==t)throw new TypeError("Derived constructors may only return object or undefined");return _assertThisInitialized$1(e)}function _getPrototypeOf$1(e){return _getPrototypeOf$1=Object.setPrototypeOf?Object.getPrototypeOf.bind():function(e){return e.__proto__||Object.getPrototypeOf(e)},_getPrototypeOf$1(e)}function _setPrototypeOf$1(e,t){return _setPrototypeOf$1=Object.setPrototypeOf?Object.setPrototypeOf.bind():function(e,t){return e.__proto__=t,e},_setPrototypeOf$1(e,t)}function _inherits$1(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function");e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,writable:!0,configurable:!0}}),Object.defineProperty(e,"prototype",{writable:!1}),t&&_setPrototypeOf$1(e,t)}function getDefaultExportFromCjs$1(e){return e&&e.__esModule&&Object.prototype.hasOwnProperty.call(e,"default")?e.default:e}var regeneratorRuntime$2={exports:{}},OverloadYield$1={exports:{}};!function(e){e.exports=function(e,t){this.v=e,this.k=t},e.exports.__esModule=!0,e.exports.default=e.exports}(OverloadYield$1);var OverloadYieldExports$1=OverloadYield$1.exports,regenerator$3={exports:{}},regeneratorDefine$1={exports:{}};!function(e){function t(r,n,i,o){var a=Object.defineProperty;try{a({},"",{})}catch(r){a=0}e.exports=t=function(e,r,n,i){function o(r,n){t(e,r,function(e){return this._invoke(r,n,e)})}r?a?a(e,r,{value:n,enumerable:!i,configurable:!i,writable:!i}):e[r]=n:(o("next",0),o("throw",1),o("return",2))},e.exports.__esModule=!0,e.exports.default=e.exports,t(r,n,i,o)}e.exports=t,e.exports.__esModule=!0,e.exports.default=e.exports}(regeneratorDefine$1);var regeneratorDefineExports$1=regeneratorDefine$1.exports;!function(e){var t=regeneratorDefineExports$1;function r(){
/*! regenerator-runtime -- Copyright (c) 2014-present, Facebook, Inc. -- license (MIT): https://github.com/babel/babel/blob/main/packages/babel-helpers/LICENSE */
var n,i,o="function"==typeof Symbol?Symbol:{},a=o.iterator||"@@iterator",s=o.toStringTag||"@@toStringTag";function c(e,r,o,a){var s=r&&r.prototype instanceof l?r:l,c=Object.create(s.prototype);return t(c,"_invoke",function(e,t,r){var o,a,s,c=0,l=r||[],d=!1,p={p:0,n:0,v:n,a:f,f:f.bind(n,4),d:function(e,t){return o=e,a=0,s=n,p.n=t,u}};function f(e,t){for(a=e,s=t,i=0;!d&&c&&!r&&i<l.length;i++){var r,o=l[i],f=p.p,h=o[2];e>3?(r=h===t)&&(s=o[(a=o[4])?5:(a=3,3)],o[4]=o[5]=n):o[0]<=f&&((r=e<2&&f<o[1])?(a=0,p.v=t,p.n=o[1]):f<h&&(r=e<3||o[0]>t||t>h)&&(o[4]=e,o[5]=t,p.n=h,a=0))}if(r||e>1)return u;throw d=!0,t}return function(r,l,h){if(c>1)throw TypeError("Generator is already running");for(d&&1===l&&f(l,h),a=l,s=h;(i=a<2?n:s)||!d;){o||(a?a<3?(a>1&&(p.n=-1),f(a,s)):p.n=s:p.v=s);try{if(c=2,o){if(a||(r="next"),i=o[r]){if(!(i=i.call(o,s)))throw TypeError("iterator result is not an object");if(!i.done)return i;s=i.value,a<2&&(a=0)}else 1===a&&(i=o.return)&&i.call(o),a<2&&(s=TypeError("The iterator does not provide a '"+r+"' method"),a=1);o=n}else if((i=(d=p.n<0)?s:e.call(t,p))!==u)break}catch(e){o=n,a=1,s=e}finally{c=1}}return{value:i,done:d}}}(e,o,a),!0),c}var u={};function l(){}function d(){}function p(){}i=Object.getPrototypeOf;var f=[][a]?i(i([][a]())):(t(i={},a,function(){return this}),i),h=p.prototype=l.prototype=Object.create(f);function g(e){return Object.setPrototypeOf?Object.setPrototypeOf(e,p):(e.__proto__=p,t(e,s,"GeneratorFunction")),e.prototype=Object.create(h),e}return d.prototype=p,t(h,"constructor",p),t(p,"constructor",d),d.displayName="GeneratorFunction",t(p,s,"GeneratorFunction"),t(h),t(h,s,"Generator"),t(h,a,function(){return this}),t(h,"toString",function(){return"[object Generator]"}),(e.exports=r=function(){return{w:c,m:g}},e.exports.__esModule=!0,e.exports.default=e.exports)()}e.exports=r,e.exports.__esModule=!0,e.exports.default=e.exports}(regenerator$3);var regeneratorExports$1=regenerator$3.exports,regeneratorAsync$1={exports:{}},regeneratorAsyncGen$1={exports:{}},regeneratorAsyncIterator$1={exports:{}};!function(e){var t=OverloadYieldExports$1,r=regeneratorDefineExports$1;e.exports=function e(n,i){function o(e,r,a,s){try{var c=n[e](r),u=c.value;return u instanceof t?i.resolve(u.v).then(function(e){o("next",e,a,s)},function(e){o("throw",e,a,s)}):i.resolve(u).then(function(e){c.value=e,a(c)},function(e){return o("throw",e,a,s)})}catch(e){s(e)}}var a;this.next||(r(e.prototype),r(e.prototype,"function"==typeof Symbol&&Symbol.asyncIterator||"@asyncIterator",function(){return this})),r(this,"_invoke",function(e,t,r){function n(){return new i(function(t,n){o(e,r,t,n)})}return a=a?a.then(n,n):n()},!0)},e.exports.__esModule=!0,e.exports.default=e.exports}(regeneratorAsyncIterator$1);var regeneratorAsyncIteratorExports$1=regeneratorAsyncIterator$1.exports;!function(e){var t=regeneratorExports$1,r=regeneratorAsyncIteratorExports$1;e.exports=function(e,n,i,o,a){return new r(t().w(e,n,i,o),a||Promise)},e.exports.__esModule=!0,e.exports.default=e.exports}(regeneratorAsyncGen$1);var regeneratorAsyncGenExports$1=regeneratorAsyncGen$1.exports;!function(e){var t=regeneratorAsyncGenExports$1;e.exports=function(e,r,n,i,o){var a=t(e,r,n,i,o);return a.next().then(function(e){return e.done?e.value:a.next()})},e.exports.__esModule=!0,e.exports.default=e.exports}(regeneratorAsync$1);var regeneratorAsyncExports$1=regeneratorAsync$1.exports,regeneratorKeys$1={exports:{}};!function(e){e.exports=function(e){var t=Object(e),r=[];for(var n in t)r.unshift(n);return function e(){for(;r.length;)if((n=r.pop())in t)return e.value=n,e.done=!1,e;return e.done=!0,e}},e.exports.__esModule=!0,e.exports.default=e.exports}(regeneratorKeys$1);var regeneratorKeysExports$1=regeneratorKeys$1.exports,regeneratorValues$1={exports:{}},_typeof$2={exports:{}};!function(e){function t(r){return e.exports=t="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},e.exports.__esModule=!0,e.exports.default=e.exports,t(r)}e.exports=t,e.exports.__esModule=!0,e.exports.default=e.exports}(_typeof$2);var _typeofExports$1=_typeof$2.exports;!function(e){var t=_typeofExports$1.default;e.exports=function(e){if(null!=e){var r=e["function"==typeof Symbol&&Symbol.iterator||"@@iterator"],n=0;if(r)return r.call(e);if("function"==typeof e.next)return e;if(!isNaN(e.length))return{next:function(){return e&&n>=e.length&&(e=void 0),{value:e&&e[n++],done:!e}}}}throw new TypeError(t(e)+" is not iterable")},e.exports.__esModule=!0,e.exports.default=e.exports}(regeneratorValues$1);var regeneratorValuesExports$1=regeneratorValues$1.exports;!function(e){var t=OverloadYieldExports$1,r=regeneratorExports$1,n=regeneratorAsyncExports$1,i=regeneratorAsyncGenExports$1,o=regeneratorAsyncIteratorExports$1,a=regeneratorKeysExports$1,s=regeneratorValuesExports$1;function c(){var u=r(),l=u.m(c),d=(Object.getPrototypeOf?Object.getPrototypeOf(l):l.__proto__).constructor;function p(e){var t="function"==typeof e&&e.constructor;return!!t&&(t===d||"GeneratorFunction"===(t.displayName||t.name))}var f={throw:1,return:2,break:3,continue:3};function h(e){var t,r;return function(n){t||(t={stop:function(){return r(n.a,2)},catch:function(){return n.v},abrupt:function(e,t){return r(n.a,f[e],t)},delegateYield:function(e,i,o){return t.resultName=i,r(n.d,s(e),o)},finish:function(e){return r(n.f,e)}},r=function(e,r,i){n.p=t.prev,n.n=t.next;try{return e(r,i)}finally{t.next=n.n}}),t.resultName&&(t[t.resultName]=n.v,t.resultName=void 0),t.sent=n.v,t.next=n.n;try{return e.call(this,t)}finally{n.p=t.prev,n.n=t.next}}}return(e.exports=c=function(){return{wrap:function(e,t,r,n){return u.w(h(e),t,r,n&&n.reverse())},isGeneratorFunction:p,mark:u.m,awrap:function(e,r){return new t(e,r)},AsyncIterator:o,async:function(e,t,r,o,a){return(p(t)?i:n)(h(e),t,r,o,a)},keys:a,values:s}},e.exports.__esModule=!0,e.exports.default=e.exports)()}e.exports=c,e.exports.__esModule=!0,e.exports.default=e.exports}(regeneratorRuntime$2);var regeneratorRuntimeExports$1=regeneratorRuntime$2.exports,runtime$1=regeneratorRuntimeExports$1(),regenerator$2=runtime$1;try{regeneratorRuntime=runtime$1}catch(e){"object"==typeof globalThis?globalThis.regeneratorRuntime=runtime$1:Function("r","regeneratorRuntime = r")(runtime$1)}var _regeneratorRuntime$1=getDefaultExportFromCjs$1(regenerator$2);let logDisabled_=!0,deprecationWarnings_=!0;function extractVersion(e,t,r){const n=e.match(t);return n&&n.length>=r&&parseFloat(n[r],10)}function wrapPeerConnectionEvent(e,t,r){if(!e.RTCPeerConnection)return;const n=e.RTCPeerConnection.prototype,i=n.addEventListener;n.addEventListener=function(e,n){if(e!==t)return i.apply(this,arguments);const o=e=>{const t=r(e);t&&(n.handleEvent?n.handleEvent(t):n(t))};return this._eventMap=this._eventMap||{},this._eventMap[t]||(this._eventMap[t]=new Map),this._eventMap[t].set(n,o),i.apply(this,[e,o])};const o=n.removeEventListener;n.removeEventListener=function(e,r){if(e!==t||!this._eventMap||!this._eventMap[t])return o.apply(this,arguments);if(!this._eventMap[t].has(r))return o.apply(this,arguments);const n=this._eventMap[t].get(r);return this._eventMap[t].delete(r),0===this._eventMap[t].size&&delete this._eventMap[t],0===Object.keys(this._eventMap).length&&delete this._eventMap,o.apply(this,[e,n])},Object.defineProperty(n,"on"+t,{get(){return this["_on"+t]},set(e){this["_on"+t]&&(this.removeEventListener(t,this["_on"+t]),delete this["_on"+t]),e&&this.addEventListener(t,this["_on"+t]=e)},enumerable:!0,configurable:!0})}function disableLog(e){return"boolean"!=typeof e?new Error("Argument type: "+typeof e+". Please use a boolean."):(logDisabled_=e,e?"adapter.js logging disabled":"adapter.js logging enabled")}function disableWarnings(e){return"boolean"!=typeof e?new Error("Argument type: "+typeof e+". Please use a boolean."):(deprecationWarnings_=!e,"adapter.js deprecation warnings "+(e?"disabled":"enabled"))}function log(){if("object"==typeof window){if(logDisabled_)return;"undefined"!=typeof console&&"function"==typeof console.log&&console.log.apply(console,arguments)}}function deprecated(e,t){deprecationWarnings_&&console.warn(e+" is deprecated, please use "+t+" instead.")}function detectBrowser(e){const t={browser:null,version:null};if(void 0===e||!e.navigator||!e.navigator.userAgent)return t.browser="Not a browser.",t;const{navigator:r}=e;if(r.mozGetUserMedia)t.browser="firefox",t.version=parseInt(extractVersion(r.userAgent,/Firefox\/(\d+)\./,1));else if(r.webkitGetUserMedia||!1===e.isSecureContext&&e.webkitRTCPeerConnection)t.browser="chrome",t.version=parseInt(extractVersion(r.userAgent,/Chrom(e|ium)\/(\d+)\./,2));else{if(!e.RTCPeerConnection||!r.userAgent.match(/AppleWebKit\/(\d+)\./))return t.browser="Not a supported browser.",t;t.browser="safari",t.version=parseInt(extractVersion(r.userAgent,/AppleWebKit\/(\d+)\./,1)),t.supportsUnifiedPlan=e.RTCRtpTransceiver&&"currentDirection"in e.RTCRtpTransceiver.prototype,t._safariVersion=extractVersion(r.userAgent,/Version\/(\d+(\.?\d+))/,1)}return t}function isObject$1(e){return"[object Object]"===Object.prototype.toString.call(e)}function compactObject(e){return isObject$1(e)?Object.keys(e).reduce(function(t,r){const n=isObject$1(e[r]),i=n?compactObject(e[r]):e[r],o=n&&!Object.keys(i).length;return void 0===i||o?t:Object.assign(t,{[r]:i})},{}):e}function walkStats(e,t,r){t&&!r.has(t.id)&&(r.set(t.id,t),Object.keys(t).forEach(n=>{n.endsWith("Id")?walkStats(e,e.get(t[n]),r):n.endsWith("Ids")&&t[n].forEach(t=>{walkStats(e,e.get(t),r)})}))}function filterStats(e,t,r){const n=r?"outbound-rtp":"inbound-rtp",i=new Map;if(null===t)return i;const o=[];return e.forEach(e=>{"track"===e.type&&e.trackIdentifier===t.id&&o.push(e)}),o.forEach(t=>{e.forEach(r=>{r.type===n&&r.trackId===t.id&&walkStats(e,r,i)})}),i}const logging=log;function shimGetUserMedia$2(e,t){const r=e&&e.navigator;if(!r.mediaDevices)return;const n=function(e){if("object"!=typeof e||e.mandatory||e.optional)return e;const t={};return Object.keys(e).forEach(r=>{if("require"===r||"advanced"===r||"mediaSource"===r)return;const n="object"==typeof e[r]?e[r]:{ideal:e[r]};void 0!==n.exact&&"number"==typeof n.exact&&(n.min=n.max=n.exact);const i=function(e,t){return e?e+t.charAt(0).toUpperCase()+t.slice(1):"deviceId"===t?"sourceId":t};if(void 0!==n.ideal){t.optional=t.optional||[];let e={};"number"==typeof n.ideal?(e[i("min",r)]=n.ideal,t.optional.push(e),e={},e[i("max",r)]=n.ideal,t.optional.push(e)):(e[i("",r)]=n.ideal,t.optional.push(e))}void 0!==n.exact&&"number"!=typeof n.exact?(t.mandatory=t.mandatory||{},t.mandatory[i("",r)]=n.exact):["min","max"].forEach(e=>{void 0!==n[e]&&(t.mandatory=t.mandatory||{},t.mandatory[i(e,r)]=n[e])})}),e.advanced&&(t.optional=(t.optional||[]).concat(e.advanced)),t},i=function(e,i){if(t.version>=61)return i(e);if((e=JSON.parse(JSON.stringify(e)))&&"object"==typeof e.audio){const t=function(e,t,r){t in e&&!(r in e)&&(e[r]=e[t],delete e[t])};t((e=JSON.parse(JSON.stringify(e))).audio,"autoGainControl","googAutoGainControl"),t(e.audio,"noiseSuppression","googNoiseSuppression"),e.audio=n(e.audio)}if(e&&"object"==typeof e.video){let o=e.video.facingMode;o=o&&("object"==typeof o?o:{ideal:o});const a=t.version<66;if(o&&("user"===o.exact||"environment"===o.exact||"user"===o.ideal||"environment"===o.ideal)&&(!r.mediaDevices.getSupportedConstraints||!r.mediaDevices.getSupportedConstraints().facingMode||a)){let t;if(delete e.video.facingMode,"environment"===o.exact||"environment"===o.ideal?t=["back","rear"]:"user"!==o.exact&&"user"!==o.ideal||(t=["front"]),t)return r.mediaDevices.enumerateDevices().then(r=>{let a=(r=r.filter(e=>"videoinput"===e.kind)).find(e=>t.some(t=>e.label.toLowerCase().includes(t)));return!a&&r.length&&t.includes("back")&&(a=r[r.length-1]),a&&(e.video.deviceId=o.exact?{exact:a.deviceId}:{ideal:a.deviceId}),e.video=n(e.video),logging("chrome: "+JSON.stringify(e)),i(e)})}e.video=n(e.video)}return logging("chrome: "+JSON.stringify(e)),i(e)},o=function(e){return t.version>=64?e:{name:{PermissionDeniedError:"NotAllowedError",PermissionDismissedError:"NotAllowedError",InvalidStateError:"NotAllowedError",DevicesNotFoundError:"NotFoundError",ConstraintNotSatisfiedError:"OverconstrainedError",TrackStartError:"NotReadableError",MediaDeviceFailedDueToShutdown:"NotAllowedError",MediaDeviceKillSwitchOn:"NotAllowedError",TabCaptureError:"AbortError",ScreenCaptureError:"AbortError",DeviceCaptureError:"AbortError"}[e.name]||e.name,message:e.message,constraint:e.constraint||e.constraintName,toString(){return this.name+(this.message&&": ")+this.message}}};if(r.getUserMedia=function(e,t,n){i(e,e=>{r.webkitGetUserMedia(e,t,e=>{n&&n(o(e))})})}.bind(r),r.mediaDevices.getUserMedia){const e=r.mediaDevices.getUserMedia.bind(r.mediaDevices);r.mediaDevices.getUserMedia=function(t){return i(t,t=>e(t).then(e=>{if(t.audio&&!e.getAudioTracks().length||t.video&&!e.getVideoTracks().length)throw e.getTracks().forEach(e=>{e.stop()}),new DOMException("","NotFoundError");return e},e=>Promise.reject(o(e))))}}}function shimGetDisplayMedia$1(e,t){e.navigator.mediaDevices&&"getDisplayMedia"in e.navigator.mediaDevices||e.navigator.mediaDevices&&("function"==typeof t?e.navigator.mediaDevices.getDisplayMedia=function(r){return t(r).then(t=>{const n=r.video&&r.video.width,i=r.video&&r.video.height,o=r.video&&r.video.frameRate;return r.video={mandatory:{chromeMediaSource:"desktop",chromeMediaSourceId:t,maxFrameRate:o||3}},n&&(r.video.mandatory.maxWidth=n),i&&(r.video.mandatory.maxHeight=i),e.navigator.mediaDevices.getUserMedia(r)})}:console.error("shimGetDisplayMedia: getSourceId argument is not a function"))}function shimMediaStream(e){e.MediaStream=e.MediaStream||e.webkitMediaStream}function shimOnTrack$1(e){if("object"==typeof e&&e.RTCPeerConnection&&!("ontrack"in e.RTCPeerConnection.prototype)){Object.defineProperty(e.RTCPeerConnection.prototype,"ontrack",{get(){return this._ontrack},set(e){this._ontrack&&this.removeEventListener("track",this._ontrack),this.addEventListener("track",this._ontrack=e)},enumerable:!0,configurable:!0});const t=e.RTCPeerConnection.prototype.setRemoteDescription;e.RTCPeerConnection.prototype.setRemoteDescription=function(){return this._ontrackpoly||(this._ontrackpoly=t=>{t.stream.addEventListener("addtrack",r=>{let n;n=e.RTCPeerConnection.prototype.getReceivers?this.getReceivers().find(e=>e.track&&e.track.id===r.track.id):{track:r.track};const i=new Event("track");i.track=r.track,i.receiver=n,i.transceiver={receiver:n},i.streams=[t.stream],this.dispatchEvent(i)}),t.stream.getTracks().forEach(r=>{let n;n=e.RTCPeerConnection.prototype.getReceivers?this.getReceivers().find(e=>e.track&&e.track.id===r.id):{track:r};const i=new Event("track");i.track=r,i.receiver=n,i.transceiver={receiver:n},i.streams=[t.stream],this.dispatchEvent(i)})},this.addEventListener("addstream",this._ontrackpoly)),t.apply(this,arguments)}}else wrapPeerConnectionEvent(e,"track",e=>(e.transceiver||Object.defineProperty(e,"transceiver",{value:{receiver:e.receiver}}),e))}function shimGetSendersWithDtmf(e){if("object"==typeof e&&e.RTCPeerConnection&&!("getSenders"in e.RTCPeerConnection.prototype)&&"createDTMFSender"in e.RTCPeerConnection.prototype){const t=function(e,t){return{track:t,get dtmf(){return void 0===this._dtmf&&("audio"===t.kind?this._dtmf=e.createDTMFSender(t):this._dtmf=null),this._dtmf},_pc:e}};if(!e.RTCPeerConnection.prototype.getSenders){e.RTCPeerConnection.prototype.getSenders=function(){return this._senders=this._senders||[],this._senders.slice()};const r=e.RTCPeerConnection.prototype.addTrack;e.RTCPeerConnection.prototype.addTrack=function(e,n){let i=r.apply(this,arguments);return i||(i=t(this,e),this._senders.push(i)),i};const n=e.RTCPeerConnection.prototype.removeTrack;e.RTCPeerConnection.prototype.removeTrack=function(e){n.apply(this,arguments);const t=this._senders.indexOf(e);-1!==t&&this._senders.splice(t,1)}}const r=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(e){this._senders=this._senders||[],r.apply(this,[e]),e.getTracks().forEach(e=>{this._senders.push(t(this,e))})};const n=e.RTCPeerConnection.prototype.removeStream;e.RTCPeerConnection.prototype.removeStream=function(e){this._senders=this._senders||[],n.apply(this,[e]),e.getTracks().forEach(e=>{const t=this._senders.find(t=>t.track===e);t&&this._senders.splice(this._senders.indexOf(t),1)})}}else if("object"==typeof e&&e.RTCPeerConnection&&"getSenders"in e.RTCPeerConnection.prototype&&"createDTMFSender"in e.RTCPeerConnection.prototype&&e.RTCRtpSender&&!("dtmf"in e.RTCRtpSender.prototype)){const t=e.RTCPeerConnection.prototype.getSenders;e.RTCPeerConnection.prototype.getSenders=function(){const e=t.apply(this,[]);return e.forEach(e=>e._pc=this),e},Object.defineProperty(e.RTCRtpSender.prototype,"dtmf",{get(){return void 0===this._dtmf&&("audio"===this.track.kind?this._dtmf=this._pc.createDTMFSender(this.track):this._dtmf=null),this._dtmf}})}}function shimGetStats(e){if(!e.RTCPeerConnection)return;const t=e.RTCPeerConnection.prototype.getStats;e.RTCPeerConnection.prototype.getStats=function(){const[e,r,n]=arguments;if(arguments.length>0&&"function"==typeof e)return t.apply(this,arguments);if(0===t.length&&(0===arguments.length||"function"!=typeof e))return t.apply(this,[]);const i=function(e){const t={};return e.result().forEach(e=>{const r={id:e.id,timestamp:e.timestamp,type:{localcandidate:"local-candidate",remotecandidate:"remote-candidate"}[e.type]||e.type};e.names().forEach(t=>{r[t]=e.stat(t)}),t[r.id]=r}),t},o=function(e){return new Map(Object.keys(e).map(t=>[t,e[t]]))};if(arguments.length>=2){const n=function(e){r(o(i(e)))};return t.apply(this,[n,e])}return new Promise((e,r)=>{t.apply(this,[function(t){e(o(i(t)))},r])}).then(r,n)}}function shimSenderReceiverGetStats(e){if(!("object"==typeof e&&e.RTCPeerConnection&&e.RTCRtpSender&&e.RTCRtpReceiver))return;if(!("getStats"in e.RTCRtpSender.prototype)){const t=e.RTCPeerConnection.prototype.getSenders;t&&(e.RTCPeerConnection.prototype.getSenders=function(){const e=t.apply(this,[]);return e.forEach(e=>e._pc=this),e});const r=e.RTCPeerConnection.prototype.addTrack;r&&(e.RTCPeerConnection.prototype.addTrack=function(){const e=r.apply(this,arguments);return e._pc=this,e}),e.RTCRtpSender.prototype.getStats=function(){const e=this;return this._pc.getStats().then(t=>filterStats(t,e.track,!0))}}if(!("getStats"in e.RTCRtpReceiver.prototype)){const t=e.RTCPeerConnection.prototype.getReceivers;t&&(e.RTCPeerConnection.prototype.getReceivers=function(){const e=t.apply(this,[]);return e.forEach(e=>e._pc=this),e}),wrapPeerConnectionEvent(e,"track",e=>(e.receiver._pc=e.srcElement,e)),e.RTCRtpReceiver.prototype.getStats=function(){const e=this;return this._pc.getStats().then(t=>filterStats(t,e.track,!1))}}if(!("getStats"in e.RTCRtpSender.prototype)||!("getStats"in e.RTCRtpReceiver.prototype))return;const t=e.RTCPeerConnection.prototype.getStats;e.RTCPeerConnection.prototype.getStats=function(){if(arguments.length>0&&arguments[0]instanceof e.MediaStreamTrack){const e=arguments[0];let t,r,n;return this.getSenders().forEach(r=>{r.track===e&&(t?n=!0:t=r)}),this.getReceivers().forEach(t=>(t.track===e&&(r?n=!0:r=t),t.track===e)),n||t&&r?Promise.reject(new DOMException("There are more than one sender or receiver for the track.","InvalidAccessError")):t?t.getStats():r?r.getStats():Promise.reject(new DOMException("There is no sender or receiver for the track.","InvalidAccessError"))}return t.apply(this,arguments)}}function shimAddTrackRemoveTrackWithNative(e){e.RTCPeerConnection.prototype.getLocalStreams=function(){return this._shimmedLocalStreams=this._shimmedLocalStreams||{},Object.keys(this._shimmedLocalStreams).map(e=>this._shimmedLocalStreams[e][0])};const t=e.RTCPeerConnection.prototype.addTrack;e.RTCPeerConnection.prototype.addTrack=function(e,r){if(!r)return t.apply(this,arguments);this._shimmedLocalStreams=this._shimmedLocalStreams||{};const n=t.apply(this,arguments);return this._shimmedLocalStreams[r.id]?-1===this._shimmedLocalStreams[r.id].indexOf(n)&&this._shimmedLocalStreams[r.id].push(n):this._shimmedLocalStreams[r.id]=[r,n],n};const r=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(e){this._shimmedLocalStreams=this._shimmedLocalStreams||{},e.getTracks().forEach(e=>{if(this.getSenders().find(t=>t.track===e))throw new DOMException("Track already exists.","InvalidAccessError")});const t=this.getSenders();r.apply(this,arguments);const n=this.getSenders().filter(e=>-1===t.indexOf(e));this._shimmedLocalStreams[e.id]=[e].concat(n)};const n=e.RTCPeerConnection.prototype.removeStream;e.RTCPeerConnection.prototype.removeStream=function(e){return this._shimmedLocalStreams=this._shimmedLocalStreams||{},delete this._shimmedLocalStreams[e.id],n.apply(this,arguments)};const i=e.RTCPeerConnection.prototype.removeTrack;e.RTCPeerConnection.prototype.removeTrack=function(e){return this._shimmedLocalStreams=this._shimmedLocalStreams||{},e&&Object.keys(this._shimmedLocalStreams).forEach(t=>{const r=this._shimmedLocalStreams[t].indexOf(e);-1!==r&&this._shimmedLocalStreams[t].splice(r,1),1===this._shimmedLocalStreams[t].length&&delete this._shimmedLocalStreams[t]}),i.apply(this,arguments)}}function shimAddTrackRemoveTrack(e,t){if(!e.RTCPeerConnection)return;if(e.RTCPeerConnection.prototype.addTrack&&t.version>=65)return shimAddTrackRemoveTrackWithNative(e);const r=e.RTCPeerConnection.prototype.getLocalStreams;e.RTCPeerConnection.prototype.getLocalStreams=function(){const e=r.apply(this);return this._reverseStreams=this._reverseStreams||{},e.map(e=>this._reverseStreams[e.id])};const n=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(t){if(this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{},t.getTracks().forEach(e=>{if(this.getSenders().find(t=>t.track===e))throw new DOMException("Track already exists.","InvalidAccessError")}),!this._reverseStreams[t.id]){const r=new e.MediaStream(t.getTracks());this._streams[t.id]=r,this._reverseStreams[r.id]=t,t=r}n.apply(this,[t])};const i=e.RTCPeerConnection.prototype.removeStream;function o(e,t){let r=t.sdp;return Object.keys(e._reverseStreams||[]).forEach(t=>{const n=e._reverseStreams[t],i=e._streams[n.id];r=r.replace(new RegExp(i.id,"g"),n.id)}),new RTCSessionDescription({type:t.type,sdp:r})}e.RTCPeerConnection.prototype.removeStream=function(e){this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{},i.apply(this,[this._streams[e.id]||e]),delete this._reverseStreams[this._streams[e.id]?this._streams[e.id].id:e.id],delete this._streams[e.id]},e.RTCPeerConnection.prototype.addTrack=function(t,r){if("closed"===this.signalingState)throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError");const n=[].slice.call(arguments,1);if(1!==n.length||!n[0].getTracks().find(e=>e===t))throw new DOMException("The adapter.js addTrack polyfill only supports a single  stream which is associated with the specified track.","NotSupportedError");if(this.getSenders().find(e=>e.track===t))throw new DOMException("Track already exists.","InvalidAccessError");this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{};const i=this._streams[r.id];if(i)i.addTrack(t),Promise.resolve().then(()=>{this.dispatchEvent(new Event("negotiationneeded"))});else{const n=new e.MediaStream([t]);this._streams[r.id]=n,this._reverseStreams[n.id]=r,this.addStream(n)}return this.getSenders().find(e=>e.track===t)},["createOffer","createAnswer"].forEach(function(t){const r=e.RTCPeerConnection.prototype[t],n={[t](){const e=arguments;return arguments.length&&"function"==typeof arguments[0]?r.apply(this,[t=>{const r=o(this,t);e[0].apply(null,[r])},t=>{e[1]&&e[1].apply(null,t)},arguments[2]]):r.apply(this,arguments).then(e=>o(this,e))}};e.RTCPeerConnection.prototype[t]=n[t]});const a=e.RTCPeerConnection.prototype.setLocalDescription;e.RTCPeerConnection.prototype.setLocalDescription=function(){return arguments.length&&arguments[0].type?(arguments[0]=function(e,t){let r=t.sdp;return Object.keys(e._reverseStreams||[]).forEach(t=>{const n=e._reverseStreams[t],i=e._streams[n.id];r=r.replace(new RegExp(n.id,"g"),i.id)}),new RTCSessionDescription({type:t.type,sdp:r})}(this,arguments[0]),a.apply(this,arguments)):a.apply(this,arguments)};const s=Object.getOwnPropertyDescriptor(e.RTCPeerConnection.prototype,"localDescription");Object.defineProperty(e.RTCPeerConnection.prototype,"localDescription",{get(){const e=s.get.apply(this);return""===e.type?e:o(this,e)}}),e.RTCPeerConnection.prototype.removeTrack=function(e){if("closed"===this.signalingState)throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError");if(!e._pc)throw new DOMException("Argument 1 of RTCPeerConnection.removeTrack does not implement interface RTCRtpSender.","TypeError");if(!(e._pc===this))throw new DOMException("Sender was not created by this connection.","InvalidAccessError");let t;this._streams=this._streams||{},Object.keys(this._streams).forEach(r=>{this._streams[r].getTracks().find(t=>e.track===t)&&(t=this._streams[r])}),t&&(1===t.getTracks().length?this.removeStream(this._reverseStreams[t.id]):t.removeTrack(e.track),this.dispatchEvent(new Event("negotiationneeded")))}}function shimPeerConnection$1(e,t){!e.RTCPeerConnection&&e.webkitRTCPeerConnection&&(e.RTCPeerConnection=e.webkitRTCPeerConnection),e.RTCPeerConnection&&t.version<53&&["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(t){const r=e.RTCPeerConnection.prototype[t],n={[t](){return arguments[0]=new("addIceCandidate"===t?e.RTCIceCandidate:e.RTCSessionDescription)(arguments[0]),r.apply(this,arguments)}};e.RTCPeerConnection.prototype[t]=n[t]})}function fixNegotiationNeeded(e,t){wrapPeerConnectionEvent(e,"negotiationneeded",e=>{const r=e.target;if(!(t.version<72||r.getConfiguration&&"plan-b"===r.getConfiguration().sdpSemantics)||"stable"===r.signalingState)return e})}var chromeShim=Object.freeze({__proto__:null,fixNegotiationNeeded:fixNegotiationNeeded,shimAddTrackRemoveTrack:shimAddTrackRemoveTrack,shimAddTrackRemoveTrackWithNative:shimAddTrackRemoveTrackWithNative,shimGetDisplayMedia:shimGetDisplayMedia$1,shimGetSendersWithDtmf:shimGetSendersWithDtmf,shimGetStats:shimGetStats,shimGetUserMedia:shimGetUserMedia$2,shimMediaStream:shimMediaStream,shimOnTrack:shimOnTrack$1,shimPeerConnection:shimPeerConnection$1,shimSenderReceiverGetStats:shimSenderReceiverGetStats});function shimGetUserMedia$1(e,t){const r=e&&e.navigator,n=e&&e.MediaStreamTrack;if(r.getUserMedia=function(e,t,n){deprecated("navigator.getUserMedia","navigator.mediaDevices.getUserMedia"),r.mediaDevices.getUserMedia(e).then(t,n)},!(t.version>55&&"autoGainControl"in r.mediaDevices.getSupportedConstraints())){const e=function(e,t,r){t in e&&!(r in e)&&(e[r]=e[t],delete e[t])},t=r.mediaDevices.getUserMedia.bind(r.mediaDevices);if(r.mediaDevices.getUserMedia=function(r){return"object"==typeof r&&"object"==typeof r.audio&&(r=JSON.parse(JSON.stringify(r)),e(r.audio,"autoGainControl","mozAutoGainControl"),e(r.audio,"noiseSuppression","mozNoiseSuppression")),t(r)},n&&n.prototype.getSettings){const t=n.prototype.getSettings;n.prototype.getSettings=function(){const r=t.apply(this,arguments);return e(r,"mozAutoGainControl","autoGainControl"),e(r,"mozNoiseSuppression","noiseSuppression"),r}}if(n&&n.prototype.applyConstraints){const t=n.prototype.applyConstraints;n.prototype.applyConstraints=function(r){return"audio"===this.kind&&"object"==typeof r&&(r=JSON.parse(JSON.stringify(r)),e(r,"autoGainControl","mozAutoGainControl"),e(r,"noiseSuppression","mozNoiseSuppression")),t.apply(this,[r])}}}}function shimGetDisplayMedia(e,t){e.navigator.mediaDevices&&"getDisplayMedia"in e.navigator.mediaDevices||e.navigator.mediaDevices&&(e.navigator.mediaDevices.getDisplayMedia=function(r){if(!r||!r.video){const e=new DOMException("getDisplayMedia without video constraints is undefined");return e.name="NotFoundError",e.code=8,Promise.reject(e)}return!0===r.video?r.video={mediaSource:t}:r.video.mediaSource=t,e.navigator.mediaDevices.getUserMedia(r)})}function shimOnTrack(e){"object"==typeof e&&e.RTCTrackEvent&&"receiver"in e.RTCTrackEvent.prototype&&!("transceiver"in e.RTCTrackEvent.prototype)&&Object.defineProperty(e.RTCTrackEvent.prototype,"transceiver",{get(){return{receiver:this.receiver}}})}function shimPeerConnection(e,t){if("object"!=typeof e||!e.RTCPeerConnection&&!e.mozRTCPeerConnection)return;!e.RTCPeerConnection&&e.mozRTCPeerConnection&&(e.RTCPeerConnection=e.mozRTCPeerConnection),t.version<53&&["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(t){const r=e.RTCPeerConnection.prototype[t],n={[t](){return arguments[0]=new("addIceCandidate"===t?e.RTCIceCandidate:e.RTCSessionDescription)(arguments[0]),r.apply(this,arguments)}};e.RTCPeerConnection.prototype[t]=n[t]});const r={inboundrtp:"inbound-rtp",outboundrtp:"outbound-rtp",candidatepair:"candidate-pair",localcandidate:"local-candidate",remotecandidate:"remote-candidate"},n=e.RTCPeerConnection.prototype.getStats;e.RTCPeerConnection.prototype.getStats=function(){const[e,i,o]=arguments;return n.apply(this,[e||null]).then(e=>{if(t.version<53&&!i)try{e.forEach(e=>{e.type=r[e.type]||e.type})}catch(t){if("TypeError"!==t.name)throw t;e.forEach((t,n)=>{e.set(n,Object.assign({},t,{type:r[t.type]||t.type}))})}return e}).then(i,o)}}function shimSenderGetStats(e){if("object"!=typeof e||!e.RTCPeerConnection||!e.RTCRtpSender)return;if(e.RTCRtpSender&&"getStats"in e.RTCRtpSender.prototype)return;const t=e.RTCPeerConnection.prototype.getSenders;t&&(e.RTCPeerConnection.prototype.getSenders=function(){const e=t.apply(this,[]);return e.forEach(e=>e._pc=this),e});const r=e.RTCPeerConnection.prototype.addTrack;r&&(e.RTCPeerConnection.prototype.addTrack=function(){const e=r.apply(this,arguments);return e._pc=this,e}),e.RTCRtpSender.prototype.getStats=function(){return this.track?this._pc.getStats(this.track):Promise.resolve(new Map)}}function shimReceiverGetStats(e){if("object"!=typeof e||!e.RTCPeerConnection||!e.RTCRtpSender)return;if(e.RTCRtpSender&&"getStats"in e.RTCRtpReceiver.prototype)return;const t=e.RTCPeerConnection.prototype.getReceivers;t&&(e.RTCPeerConnection.prototype.getReceivers=function(){const e=t.apply(this,[]);return e.forEach(e=>e._pc=this),e}),wrapPeerConnectionEvent(e,"track",e=>(e.receiver._pc=e.srcElement,e)),e.RTCRtpReceiver.prototype.getStats=function(){return this._pc.getStats(this.track)}}function shimRemoveStream(e){e.RTCPeerConnection&&!("removeStream"in e.RTCPeerConnection.prototype)&&(e.RTCPeerConnection.prototype.removeStream=function(e){deprecated("removeStream","removeTrack"),this.getSenders().forEach(t=>{t.track&&e.getTracks().includes(t.track)&&this.removeTrack(t)})})}function shimRTCDataChannel(e){e.DataChannel&&!e.RTCDataChannel&&(e.RTCDataChannel=e.DataChannel)}function shimAddTransceiver(e){if("object"!=typeof e||!e.RTCPeerConnection)return;const t=e.RTCPeerConnection.prototype.addTransceiver;t&&(e.RTCPeerConnection.prototype.addTransceiver=function(){this.setParametersPromises=[];let e=arguments[1]&&arguments[1].sendEncodings;void 0===e&&(e=[]),e=[...e];const r=e.length>0;r&&e.forEach(e=>{if("rid"in e){if(!/^[a-z0-9]{0,16}$/i.test(e.rid))throw new TypeError("Invalid RID value provided.")}if("scaleResolutionDownBy"in e&&!(parseFloat(e.scaleResolutionDownBy)>=1))throw new RangeError("scale_resolution_down_by must be >= 1.0");if("maxFramerate"in e&&!(parseFloat(e.maxFramerate)>=0))throw new RangeError("max_framerate must be >= 0.0")});const n=t.apply(this,arguments);if(r){const{sender:t}=n,r=t.getParameters();(!("encodings"in r)||1===r.encodings.length&&0===Object.keys(r.encodings[0]).length)&&(r.encodings=e,t.sendEncodings=e,this.setParametersPromises.push(t.setParameters(r).then(()=>{delete t.sendEncodings}).catch(()=>{delete t.sendEncodings})))}return n})}function shimGetParameters(e){if("object"!=typeof e||!e.RTCRtpSender)return;const t=e.RTCRtpSender.prototype.getParameters;t&&(e.RTCRtpSender.prototype.getParameters=function(){const e=t.apply(this,arguments);return"encodings"in e||(e.encodings=[].concat(this.sendEncodings||[{}])),e})}function shimCreateOffer(e){if("object"!=typeof e||!e.RTCPeerConnection)return;const t=e.RTCPeerConnection.prototype.createOffer;e.RTCPeerConnection.prototype.createOffer=function(){return this.setParametersPromises&&this.setParametersPromises.length?Promise.all(this.setParametersPromises).then(()=>t.apply(this,arguments)).finally(()=>{this.setParametersPromises=[]}):t.apply(this,arguments)}}function shimCreateAnswer(e){if("object"!=typeof e||!e.RTCPeerConnection)return;const t=e.RTCPeerConnection.prototype.createAnswer;e.RTCPeerConnection.prototype.createAnswer=function(){return this.setParametersPromises&&this.setParametersPromises.length?Promise.all(this.setParametersPromises).then(()=>t.apply(this,arguments)).finally(()=>{this.setParametersPromises=[]}):t.apply(this,arguments)}}var firefoxShim=Object.freeze({__proto__:null,shimAddTransceiver:shimAddTransceiver,shimCreateAnswer:shimCreateAnswer,shimCreateOffer:shimCreateOffer,shimGetDisplayMedia:shimGetDisplayMedia,shimGetParameters:shimGetParameters,shimGetUserMedia:shimGetUserMedia$1,shimOnTrack:shimOnTrack,shimPeerConnection:shimPeerConnection,shimRTCDataChannel:shimRTCDataChannel,shimReceiverGetStats:shimReceiverGetStats,shimRemoveStream:shimRemoveStream,shimSenderGetStats:shimSenderGetStats});function shimLocalStreamsAPI(e){if("object"==typeof e&&e.RTCPeerConnection){if("getLocalStreams"in e.RTCPeerConnection.prototype||(e.RTCPeerConnection.prototype.getLocalStreams=function(){return this._localStreams||(this._localStreams=[]),this._localStreams}),!("addStream"in e.RTCPeerConnection.prototype)){const t=e.RTCPeerConnection.prototype.addTrack;e.RTCPeerConnection.prototype.addStream=function(e){this._localStreams||(this._localStreams=[]),this._localStreams.includes(e)||this._localStreams.push(e),e.getAudioTracks().forEach(r=>t.call(this,r,e)),e.getVideoTracks().forEach(r=>t.call(this,r,e))},e.RTCPeerConnection.prototype.addTrack=function(e,...r){return r&&r.forEach(e=>{this._localStreams?this._localStreams.includes(e)||this._localStreams.push(e):this._localStreams=[e]}),t.apply(this,arguments)}}"removeStream"in e.RTCPeerConnection.prototype||(e.RTCPeerConnection.prototype.removeStream=function(e){this._localStreams||(this._localStreams=[]);const t=this._localStreams.indexOf(e);if(-1===t)return;this._localStreams.splice(t,1);const r=e.getTracks();this.getSenders().forEach(e=>{r.includes(e.track)&&this.removeTrack(e)})})}}function shimRemoteStreamsAPI(e){if("object"==typeof e&&e.RTCPeerConnection&&("getRemoteStreams"in e.RTCPeerConnection.prototype||(e.RTCPeerConnection.prototype.getRemoteStreams=function(){return this._remoteStreams?this._remoteStreams:[]}),!("onaddstream"in e.RTCPeerConnection.prototype))){Object.defineProperty(e.RTCPeerConnection.prototype,"onaddstream",{get(){return this._onaddstream},set(e){this._onaddstream&&(this.removeEventListener("addstream",this._onaddstream),this.removeEventListener("track",this._onaddstreampoly)),this.addEventListener("addstream",this._onaddstream=e),this.addEventListener("track",this._onaddstreampoly=e=>{e.streams.forEach(e=>{if(this._remoteStreams||(this._remoteStreams=[]),this._remoteStreams.includes(e))return;this._remoteStreams.push(e);const t=new Event("addstream");t.stream=e,this.dispatchEvent(t)})})}});const t=e.RTCPeerConnection.prototype.setRemoteDescription;e.RTCPeerConnection.prototype.setRemoteDescription=function(){const e=this;return this._onaddstreampoly||this.addEventListener("track",this._onaddstreampoly=function(t){t.streams.forEach(t=>{if(e._remoteStreams||(e._remoteStreams=[]),e._remoteStreams.indexOf(t)>=0)return;e._remoteStreams.push(t);const r=new Event("addstream");r.stream=t,e.dispatchEvent(r)})}),t.apply(e,arguments)}}}function shimCallbacksAPI(e){if("object"!=typeof e||!e.RTCPeerConnection)return;const t=e.RTCPeerConnection.prototype,r=t.createOffer,n=t.createAnswer,i=t.setLocalDescription,o=t.setRemoteDescription,a=t.addIceCandidate;t.createOffer=function(e,t){const n=arguments.length>=2?arguments[2]:arguments[0],i=r.apply(this,[n]);return t?(i.then(e,t),Promise.resolve()):i},t.createAnswer=function(e,t){const r=arguments.length>=2?arguments[2]:arguments[0],i=n.apply(this,[r]);return t?(i.then(e,t),Promise.resolve()):i};let s=function(e,t,r){const n=i.apply(this,[e]);return r?(n.then(t,r),Promise.resolve()):n};t.setLocalDescription=s,s=function(e,t,r){const n=o.apply(this,[e]);return r?(n.then(t,r),Promise.resolve()):n},t.setRemoteDescription=s,s=function(e,t,r){const n=a.apply(this,[e]);return r?(n.then(t,r),Promise.resolve()):n},t.addIceCandidate=s}function shimGetUserMedia(e){const t=e&&e.navigator;if(t.mediaDevices&&t.mediaDevices.getUserMedia){const e=t.mediaDevices,r=e.getUserMedia.bind(e);t.mediaDevices.getUserMedia=e=>r(shimConstraints(e))}!t.getUserMedia&&t.mediaDevices&&t.mediaDevices.getUserMedia&&(t.getUserMedia=function(e,r,n){t.mediaDevices.getUserMedia(e).then(r,n)}.bind(t))}function shimConstraints(e){return e&&void 0!==e.video?Object.assign({},e,{video:compactObject(e.video)}):e}function shimRTCIceServerUrls(e){if(!e.RTCPeerConnection)return;const t=e.RTCPeerConnection;e.RTCPeerConnection=function(e,r){if(e&&e.iceServers){const t=[];for(let r=0;r<e.iceServers.length;r++){let n=e.iceServers[r];void 0===n.urls&&n.url?(deprecated("RTCIceServer.url","RTCIceServer.urls"),n=JSON.parse(JSON.stringify(n)),n.urls=n.url,delete n.url,t.push(n)):t.push(e.iceServers[r])}e.iceServers=t}return new t(e,r)},e.RTCPeerConnection.prototype=t.prototype,"generateCertificate"in t&&Object.defineProperty(e.RTCPeerConnection,"generateCertificate",{get:()=>t.generateCertificate})}function shimTrackEventTransceiver(e){"object"==typeof e&&e.RTCTrackEvent&&"receiver"in e.RTCTrackEvent.prototype&&!("transceiver"in e.RTCTrackEvent.prototype)&&Object.defineProperty(e.RTCTrackEvent.prototype,"transceiver",{get(){return{receiver:this.receiver}}})}function shimCreateOfferLegacy(e){const t=e.RTCPeerConnection.prototype.createOffer;e.RTCPeerConnection.prototype.createOffer=function(e){if(e){void 0!==e.offerToReceiveAudio&&(e.offerToReceiveAudio=!!e.offerToReceiveAudio);const t=this.getTransceivers().find(e=>"audio"===e.receiver.track.kind);!1===e.offerToReceiveAudio&&t?"sendrecv"===t.direction?t.setDirection?t.setDirection("sendonly"):t.direction="sendonly":"recvonly"===t.direction&&(t.setDirection?t.setDirection("inactive"):t.direction="inactive"):!0!==e.offerToReceiveAudio||t||this.addTransceiver("audio",{direction:"recvonly"}),void 0!==e.offerToReceiveVideo&&(e.offerToReceiveVideo=!!e.offerToReceiveVideo);const r=this.getTransceivers().find(e=>"video"===e.receiver.track.kind);!1===e.offerToReceiveVideo&&r?"sendrecv"===r.direction?r.setDirection?r.setDirection("sendonly"):r.direction="sendonly":"recvonly"===r.direction&&(r.setDirection?r.setDirection("inactive"):r.direction="inactive"):!0!==e.offerToReceiveVideo||r||this.addTransceiver("video",{direction:"recvonly"})}return t.apply(this,arguments)}}function shimAudioContext(e){"object"!=typeof e||e.AudioContext||(e.AudioContext=e.webkitAudioContext)}var safariShim=Object.freeze({__proto__:null,shimAudioContext:shimAudioContext,shimCallbacksAPI:shimCallbacksAPI,shimConstraints:shimConstraints,shimCreateOfferLegacy:shimCreateOfferLegacy,shimGetUserMedia:shimGetUserMedia,shimLocalStreamsAPI:shimLocalStreamsAPI,shimRTCIceServerUrls:shimRTCIceServerUrls,shimRemoteStreamsAPI:shimRemoteStreamsAPI,shimTrackEventTransceiver:shimTrackEventTransceiver}),sdp$1={exports:{}};!function(e){const t={generateIdentifier:function(){return Math.random().toString(36).substring(2,12)}};t.localCName=t.generateIdentifier(),t.splitLines=function(e){return e.trim().split("\n").map(e=>e.trim())},t.splitSections=function(e){return e.split("\nm=").map((e,t)=>(t>0?"m="+e:e).trim()+"\r\n")},t.getDescription=function(e){const r=t.splitSections(e);return r&&r[0]},t.getMediaSections=function(e){const r=t.splitSections(e);return r.shift(),r},t.matchPrefix=function(e,r){return t.splitLines(e).filter(e=>0===e.indexOf(r))},t.parseCandidate=function(e){let t;t=0===e.indexOf("a=candidate:")?e.substring(12).split(" "):e.substring(10).split(" ");const r={foundation:t[0],component:{1:"rtp",2:"rtcp"}[t[1]]||t[1],protocol:t[2].toLowerCase(),priority:parseInt(t[3],10),ip:t[4],address:t[4],port:parseInt(t[5],10),type:t[7]};for(let e=8;e<t.length;e+=2)switch(t[e]){case"raddr":r.relatedAddress=t[e+1];break;case"rport":r.relatedPort=parseInt(t[e+1],10);break;case"tcptype":r.tcpType=t[e+1];break;case"ufrag":r.ufrag=t[e+1],r.usernameFragment=t[e+1];break;default:void 0===r[t[e]]&&(r[t[e]]=t[e+1])}return r},t.writeCandidate=function(e){const t=[];t.push(e.foundation);const r=e.component;"rtp"===r?t.push(1):"rtcp"===r?t.push(2):t.push(r),t.push(e.protocol.toUpperCase()),t.push(e.priority),t.push(e.address||e.ip),t.push(e.port);const 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)),(e.usernameFragment||e.ufrag)&&(t.push("ufrag"),t.push(e.usernameFragment||e.ufrag)),"candidate:"+t.join(" ")},t.parseIceOptions=function(e){return e.substring(14).split(" ")},t.parseRtpMap=function(e){let t=e.substring(9).split(" ");const r={payloadType:parseInt(t.shift(),10)};return t=t[0].split("/"),r.name=t[0],r.clockRate=parseInt(t[1],10),r.channels=3===t.length?parseInt(t[2],10):1,r.numChannels=r.channels,r},t.writeRtpMap=function(e){let t=e.payloadType;void 0!==e.preferredPayloadType&&(t=e.preferredPayloadType);const r=e.channels||e.numChannels||1;return"a=rtpmap:"+t+" "+e.name+"/"+e.clockRate+(1!==r?"/"+r:"")+"\r\n"},t.parseExtmap=function(e){const t=e.substring(9).split(" ");return{id:parseInt(t[0],10),direction:t[0].indexOf("/")>0?t[0].split("/")[1]:"sendrecv",uri:t[1],attributes:t.slice(2).join(" ")}},t.writeExtmap=function(e){return"a=extmap:"+(e.id||e.preferredId)+(e.direction&&"sendrecv"!==e.direction?"/"+e.direction:"")+" "+e.uri+(e.attributes?" "+e.attributes:"")+"\r\n"},t.parseFmtp=function(e){const t={};let r;const n=e.substring(e.indexOf(" ")+1).split(";");for(let e=0;e<n.length;e++)r=n[e].trim().split("="),t[r[0].trim()]=r[1];return t},t.writeFmtp=function(e){let t="",r=e.payloadType;if(void 0!==e.preferredPayloadType&&(r=e.preferredPayloadType),e.parameters&&Object.keys(e.parameters).length){const n=[];Object.keys(e.parameters).forEach(t=>{void 0!==e.parameters[t]?n.push(t+"="+e.parameters[t]):n.push(t)}),t+="a=fmtp:"+r+" "+n.join(";")+"\r\n"}return t},t.parseRtcpFb=function(e){const t=e.substring(e.indexOf(" ")+1).split(" ");return{type:t.shift(),parameter:t.join(" ")}},t.writeRtcpFb=function(e){let t="",r=e.payloadType;return void 0!==e.preferredPayloadType&&(r=e.preferredPayloadType),e.rtcpFeedback&&e.rtcpFeedback.length&&e.rtcpFeedback.forEach(e=>{t+="a=rtcp-fb:"+r+" "+e.type+(e.parameter&&e.parameter.length?" "+e.parameter:"")+"\r\n"}),t},t.parseSsrcMedia=function(e){const t=e.indexOf(" "),r={ssrc:parseInt(e.substring(7,t),10)},n=e.indexOf(":",t);return n>-1?(r.attribute=e.substring(t+1,n),r.value=e.substring(n+1)):r.attribute=e.substring(t+1),r},t.parseSsrcGroup=function(e){const t=e.substring(13).split(" ");return{semantics:t.shift(),ssrcs:t.map(e=>parseInt(e,10))}},t.getMid=function(e){const r=t.matchPrefix(e,"a=mid:")[0];if(r)return r.substring(6)},t.parseFingerprint=function(e){const t=e.substring(14).split(" ");return{algorithm:t[0].toLowerCase(),value:t[1].toUpperCase()}},t.getDtlsParameters=function(e,r){return{role:"auto",fingerprints:t.matchPrefix(e+r,"a=fingerprint:").map(t.parseFingerprint)}},t.writeDtlsParameters=function(e,t){let r="a=setup:"+t+"\r\n";return e.fingerprints.forEach(e=>{r+="a=fingerprint:"+e.algorithm+" "+e.value+"\r\n"}),r},t.parseCryptoLine=function(e){const t=e.substring(9).split(" ");return{tag:parseInt(t[0],10),cryptoSuite:t[1],keyParams:t[2],sessionParams:t.slice(3)}},t.writeCryptoLine=function(e){return"a=crypto:"+e.tag+" "+e.cryptoSuite+" "+("object"==typeof e.keyParams?t.writeCryptoKeyParams(e.keyParams):e.keyParams)+(e.sessionParams?" "+e.sessionParams.join(" "):"")+"\r\n"},t.parseCryptoKeyParams=function(e){if(0!==e.indexOf("inline:"))return null;const t=e.substring(7).split("|");return{keyMethod:"inline",keySalt:t[0],lifeTime:t[1],mkiValue:t[2]?t[2].split(":")[0]:void 0,mkiLength:t[2]?t[2].split(":")[1]:void 0}},t.writeCryptoKeyParams=function(e){return e.keyMethod+":"+e.keySalt+(e.lifeTime?"|"+e.lifeTime:"")+(e.mkiValue&&e.mkiLength?"|"+e.mkiValue+":"+e.mkiLength:"")},t.getCryptoParameters=function(e,r){return t.matchPrefix(e+r,"a=crypto:").map(t.parseCryptoLine)},t.getIceParameters=function(e,r){const n=t.matchPrefix(e+r,"a=ice-ufrag:")[0],i=t.matchPrefix(e+r,"a=ice-pwd:")[0];return n&&i?{usernameFragment:n.substring(12),password:i.substring(10)}:null},t.writeIceParameters=function(e){let t="a=ice-ufrag:"+e.usernameFragment+"\r\na=ice-pwd:"+e.password+"\r\n";return e.iceLite&&(t+="a=ice-lite\r\n"),t},t.parseRtpParameters=function(e){const r={codecs:[],headerExtensions:[],fecMechanisms:[],rtcp:[]},n=t.splitLines(e)[0].split(" ");r.profile=n[2];for(let i=3;i<n.length;i++){const o=n[i],a=t.matchPrefix(e,"a=rtpmap:"+o+" ")[0];if(a){const n=t.parseRtpMap(a),i=t.matchPrefix(e,"a=fmtp:"+o+" ");switch(n.parameters=i.length?t.parseFmtp(i[0]):{},n.rtcpFeedback=t.matchPrefix(e,"a=rtcp-fb:"+o+" ").map(t.parseRtcpFb),r.codecs.push(n),n.name.toUpperCase()){case"RED":case"ULPFEC":r.fecMechanisms.pu