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          : c;
      };
    },
    function(e, t, r) {
      var o = r(4),
        n = r(19),
        a = r(2)("species");
      e.exports = function(e, t) {
        var r,
          i = o(e).constructor;
        return void 0 === i || void 0 == (r = o(i)[a]) ? t : n(r);
      };
    },
    function(e, t, r) {
      var o,
        n,
        a,
        i = r(13),
        c = r(82),
        s = r(47),
        d = r(25),
        u = r(0),
        l = u.process,
        f = u.setImmediate,
        p = u.clearImmediate,
        m = u.MessageChannel,
        v = u.Dispatch,
        h = 0,
        k = {},
        C = function() {
          var e = +this;
          if (k.hasOwnProperty(e)) {
            var t = k[e];
            delete k[e], t();
          }
        },
        y = function(e) {
          C.call(e.data);
        };
      (f && p) ||
        ((f = function(e) {
          for (var t = [], r = 1; arguments.length > r; ) t.push(arguments[r++]);
          return (
            (k[++h] = function() {
              c("function" == typeof e ? e : Function(e), t);
            }),
            o(h),
            h
          );
        }),
        (p = function(e) {
          delete k[e];
        }),
        "process" == r(16)(l)
          ? (o = function(e) {
              l.nextTick(i(C, e, 1));
            })
          : v && v.now
          ? (o = function(e) {
              v.now(i(C, e, 1));
            })
          : m
          ? ((n = new m()),
            (a = n.port2),
            (n.port1.onmessage = y),
            (o = i(a.postMessage, a, 1)))
          : u.addEventListener &&
            "function" == typeof postMessage &&
            !u.importScripts
          ? ((o = function(e) {
              u.postMessage(e + "", "*");
            }),
            u.addEventListener("message", y, !1))
          : (o =
              "onreadystatechange" in d("script")
                ? function(e) {
                    s.appendChild(d("script")).onreadystatechange = function() {
                      s.removeChild(this), C.call(e);
                    };
                  }
                : function(e) {
                    setTimeout(i(C, e, 1), 0);
                  })),
        (e.exports = { set: f, clear: p });
    },
    function(e, t) {
      e.exports = function(e) {
        try {
          return { e: !1, v: e() };
        } catch (e) {
          return { e: !0, v: e };
        }
      };
    },
    function(e, t, r) {
      var o = r(4),
        n = r(7),
        a = r(33);
      e.exports = function(e, t) {
        if ((o(e), n(t) && t.constructor === e)) return t;
        var r = a.f(e);
        return (0, r.resolve)(t), r.promise;
      };
    },
    function(e, t, r) {
      "use strict";
      (t.__esModule = !0),
        (t.default = function(e, t) {
          if (!(e instanceof t))
            throw new TypeError("Cannot call a class as a function");
        });
    },
    function(e, t, r) {
      "use strict";
      var o = {};
      (o.generateIdentifier = function() {
        return Math.random()
          .toString(36)
          .substr(2, 10);
      }),
        (o.localCName = o.generateIdentifier()),
        (o.splitLines = function(e) {
          return e
            .trim()
            .split("\n")
            .map(function(e) {
              return e.trim();
            });
        }),
        (o.splitSections = function(e) {
          return e.split("\nm=").map(function(e, t) {
            return (t > 0 ? "m=" + e : e).trim() + "\r\n";
          });
        }),
        (o.getDescription = function(e) {
          var t = o.splitSections(e);
          return t && t[0];
        }),
        (o.getMediaSections = function(e) {
          var t = o.splitSections(e);
          return t.shift(), t;
        }),
        (o.matchPrefix = function(e, t) {
          return o.splitLines(e).filter(function(e) {
            return 0 === e.indexOf(t);
          });
        }),
        (o.parseCandidate = function(e) {
          var t;
          t =
            0 === e.indexOf("a=candidate:")
              ? e.substring(12).split(" ")
              : e.substring(10).split(" ");
          for (
            var r = {
                foundation: t[0],
                component: parseInt(t[1], 10),
                protocol: t[2].toLowerCase(),
                priority: parseInt(t[3], 10),
                ip: t[4],
                address: t[4],
                port: parseInt(t[5], 10),
                type: t[7]
              },
              o = 8;
            o < t.length;
            o += 2
          )
            switch (t[o]) {
              case "raddr":
                r.relatedAddress = t[o + 1];
                break;
              case "rport":
                r.relatedPort = parseInt(t[o + 1], 10);
                break;
              case "tcptype":
                r.tcpType = t[o + 1];
                break;
              case "ufrag":
                (r.ufrag = t[o + 1]), (r.usernameFragment = t[o + 1]);
                break;
              default:
                r[t[o]] = t[o + 1];
            }
          return r;
        }),
        (o.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.address || e.ip),
            t.push(e.port);
          var r = e.type;
          return (
            t.push("typ"),
            t.push(r),
            "host" !== r &&
              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(" ")
          );
        }),
        (o.parseIceOptions = function(e) {
          return e.substr(14).split(" ");
        }),
        (o.parseRtpMap = function(e) {
          var t = e.substr(9).split(" "),
            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
          );
        }),
        (o.writeRtpMap = function(e) {
          var t = e.payloadType;
          void 0 !== e.preferredPayloadType && (t = e.preferredPayloadType);
          var r = e.channels || e.numChannels || 1;
          return (
            "a=rtpmap:" +
            t +
            " " +
            e.name +
            "/" +
            e.clockRate +
            (1 !== r ? "/" + r : "") +
            "\r\n"
          );
        }),
        (o.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]
          };
        }),
        (o.writeExtmap = function(e) {
          return (
            "a=extmap:" +
            (e.id || e.preferredId) +
            (e.direction && "sendrecv" !== e.direction ? "/" + e.direction : "") +
            " " +
            e.uri +
            "\r\n"
          );
        }),
        (o.parseFmtp = function(e) {
          for (
            var t, r = {}, o = e.substr(e.indexOf(" ") + 1).split(";"), n = 0;
            n < o.length;
            n++
          )
            (t = o[n].trim().split("=")), (r[t[0].trim()] = t[1]);
          return r;
        }),
        (o.writeFmtp = function(e) {
          var t = "",
            r = e.payloadType;
          if (
            (void 0 !== e.preferredPayloadType && (r = e.preferredPayloadType),
            e.parameters && Object.keys(e.parameters).length)
          ) {
            var o = [];
            Object.keys(e.parameters).forEach(function(t) {
              e.parameters[t] ? o.push(t + "=" + e.parameters[t]) : o.push(t);
            }),
              (t += "a=fmtp:" + r + " " + o.join(";") + "\r\n");
          }
          return t;
        }),
        (o.parseRtcpFb = function(e) {
          var t = e.substr(e.indexOf(" ") + 1).split(" ");
          return { type: t.shift(), parameter: t.join(" ") };
        }),
        (o.writeRtcpFb = function(e) {
          var t = "",
            r = e.payloadType;
          return (
            void 0 !== e.preferredPayloadType && (r = e.preferredPayloadType),
            e.rtcpFeedback &&
              e.rtcpFeedback.length &&
              e.rtcpFeedback.forEach(function(e) {
                t +=
                  "a=rtcp-fb:" +
                  r +
                  " " +
                  e.type +
                  (e.parameter && e.parameter.length ? " " + e.parameter : "") +
                  "\r\n";
              }),
            t
          );
        }),
        (o.parseSsrcMedia = function(e) {
          var t = e.indexOf(" "),
            r = { ssrc: parseInt(e.substr(7, t - 7), 10) },
            o = e.indexOf(":", t);
          return (
            o > -1
              ? ((r.attribute = e.substr(t + 1, o - t - 1)),
                (r.value = e.substr(o + 1)))
              : (r.attribute = e.substr(t + 1)),
            r
          );
        }),
        (o.parseSsrcGroup = function(e) {
          var t = e.substr(13).split(" ");
          return {
            semantics: t.shift(),
            ssrcs: t.map(function(e) {
              return parseInt(e, 10);
            })
          };
        }),
        (o.getMid = function(e) {
          var t = o.matchPrefix(e, "a=mid:")[0];
          if (t) return t.substr(6);
        }),
        (o.parseFingerprint = function(e) {
          var t = e.substr(14).split(" ");
          return { algorithm: t[0].toLowerCase(), value: t[1] };
        }),
        (o.getDtlsParameters = function(e, t) {
          return {
            role: "auto",
            fingerprints: o
              .matchPrefix(e + t, "a=fingerprint:")
              .map(o.parseFingerprint)
          };
        }),
        (o.writeDtlsParameters = function(e, t) {
          var r = "a=setup:" + t + "\r\n";
          return (
            e.fingerprints.forEach(function(e) {
              r += "a=fingerprint:" + e.algorithm + " " + e.value + "\r\n";
            }),
            r
          );
        }),
        (o.parseCryptoLine = function(e) {
          var t = e.substr(9).split(" ");
          return {
            tag: parseInt(t[0], 10),
            cryptoSuite: t[1],
            keyParams: t[2],
            sessionParams: t.slice(3)
          };
        }),
        (o.writeCryptoLine = function(e) {
          return (
            "a=crypto:" +
            e.tag +
            " " +
            e.cryptoSuite +
            " " +
            ("object" == typeof e.keyParams
              ? o.writeCryptoKeyParams(e.keyParams)
              : e.keyParams) +
            (e.sessionParams ? " " + e.sessionParams.join(" ") : "") +
            "\r\n"
          );
        }),
        (o.parseCryptoKeyParams = function(e) {
          if (0 !== e.indexOf("inline:")) return null;
          var t = e.substr(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
          };
        }),
        (o.writeCryptoKeyParams = function(e) {
          return (
            e.keyMethod +
            ":" +
            e.keySalt +
            (e.lifeTime ? "|" + e.lifeTime : "") +
            (e.mkiValue && e.mkiLength
              ? "|" + e.mkiValue + ":" + e.mkiLength
              : "")
          );
        }),
        (o.getCryptoParameters = function(e, t) {
          return o.matchPrefix(e + t, "a=crypto:").map(o.parseCryptoLine);
        }),
        (o.getIceParameters = function(e, t) {
          var r = o.matchPrefix(e + t, "a=ice-ufrag:")[0],
            n = o.matchPrefix(e + t, "a=ice-pwd:")[0];
          return r && n
            ? { usernameFragment: r.substr(12), password: n.substr(10) }
            : null;
        }),
        (o.writeIceParameters = function(e) {
          return (
            "a=ice-ufrag:" +
            e.usernameFragment +
            "\r\na=ice-pwd:" +
            e.password +
            "\r\n"
          );
        }),
        (o.parseRtpParameters = function(e) {
          for (
            var t = {
                codecs: [],
                headerExtensions: [],
                fecMechanisms: [],
                rtcp: []
              },
              r = o.splitLines(e),
              n = r[0].split(" "),
              a = 3;
            a < n.length;
            a++
          ) {
            var i = n[a],
              c = o.matchPrefix(e, "a=rtpmap:" + i + " ")[0];
            if (c) {
              var s = o.parseRtpMap(c),
                d = o.matchPrefix(e, "a=fmtp:" + i + " ");
              switch (
                ((s.parameters = d.length ? o.parseFmtp(d[0]) : {}),
                (s.rtcpFeedback = o
                  .matchPrefix(e, "a=rtcp-fb:" + i + " ")
                  .map(o.parseRtcpFb)),
                t.codecs.push(s),
                s.name.toUpperCase())
              ) {
                case "RED":
                case "ULPFEC":
                  t.fecMechanisms.push(s.name.toUpperCase());
              }
            }
          }
          return (
            o.matchPrefix(e, "a=extmap:").forEach(function(e) {
              t.headerExtensions.push(o.parseExtmap(e));
            }),
            t
          );
        }),
        (o.writeRtpDescription = function(e, t) {
          var r = "";
          (r += "m=" + e + " "),
            (r += t.codecs.length > 0 ? "9" : "0"),
            (r += " UDP/TLS/RTP/SAVPF "),
            (r +=
              t.codecs
                .map(function(e) {
                  return void 0 !== e.preferredPayloadType
                    ? e.preferredPayloadType
                    : e.payloadType;
                })
                .join(" ") + "\r\n"),
            (r += "c=IN IP4 0.0.0.0\r\n"),
            (r += "a=rtcp:9 IN IP4 0.0.0.0\r\n"),
            t.codecs.forEach(function(e) {
              (r += o.writeRtpMap(e)),
                (r += o.writeFmtp(e)),
                (r += o.writeRtcpFb(e));
            });
          var n = 0;
          return (
            t.codecs.forEach(function(e) {
              e.maxptime > n && (n = e.maxptime);
            }),
            n > 0 && (r += "a=maxptime:" + n + "\r\n"),
            (r += "a=rtcp-mux\r\n"),
            t.headerExtensions &&
              t.headerExtensions.forEach(function(e) {
                r += o.writeExtmap(e);
              }),
            r
          );
        }),
        (o.parseRtpEncodingParameters = function(e) {
          var t,
            r = [],
            n = o.parseRtpParameters(e),
            a = -1 !== n.fecMechanisms.indexOf("RED"),
            i = -1 !== n.fecMechanisms.indexOf("ULPFEC"),
            c = o
              .matchPrefix(e, "a=ssrc:")
              .map(function(e) {
                return o.parseSsrcMedia(e);
              })
              .filter(function(e) {
                return "cname" === e.attribute;
              }),
            s = c.length > 0 && c[0].ssrc,
            d = o.matchPrefix(e, "a=ssrc-group:FID").map(function(e) {
              return e
                .substr(17)
                .split(" ")
                .map(function(e) {
                  return parseInt(e, 10);
                });
            });
          d.length > 0 && d[0].length > 1 && d[0][0] === s && (t = d[0][1]),
            n.codecs.forEach(function(e) {
              if ("RTX" === e.name.toUpperCase() && e.parameters.apt) {
                var o = {
                  ssrc: s,
                  codecPayloadType: parseInt(e.parameters.apt, 10)
                };
                s && t && (o.rtx = { ssrc: t }),
                  r.push(o),
                  a &&
                    ((o = JSON.parse(JSON.stringify(o))),
                    (o.fec = { ssrc: s, mechanism: i ? "red+ulpfec" : "red" }),
                    r.push(o));
              }
            }),
            0 === r.length && s && r.push({ ssrc: s });
          var u = o.matchPrefix(e, "b=");
          return (
            u.length &&
              ((u =
                0 === u[0].indexOf("b=TIAS:")
                  ? parseInt(u[0].substr(7), 10)
                  : 0 === u[0].indexOf("b=AS:")
                  ? 1e3 * parseInt(u[0].substr(5), 10) * 0.95 - 16e3
                  : void 0),
              r.forEach(function(e) {
                e.maxBitrate = u;
              })),
            r
          );
        }),
        (o.parseRtcpParameters = function(e) {
          var t = {},
            r = o
              .matchPrefix(e, "a=ssrc:")
              .map(function(e) {
                return o.parseSsrcMedia(e);
              })
              .filter(function(e) {
                return "cname" === e.attribute;
              })[0];
          r && ((t.cname = r.value), (t.ssrc = r.ssrc));
          var n = o.matchPrefix(e, "a=rtcp-rsize");
          (t.reducedSize = n.length > 0), (t.compound = 0 === n.length);
          var a = o.matchPrefix(e, "a=rtcp-mux");
          return (t.mux = a.length > 0), t;
        }),
        (o.parseMsid = function(e) {
          var t,
            r = o.matchPrefix(e, "a=msid:");
          if (1 === r.length)
            return (t = r[0].substr(7).split(" ")), { stream: t[0], track: t[1] };
          var n = o
            .matchPrefix(e, "a=ssrc:")
            .map(function(e) {
              return o.parseSsrcMedia(e);
            })
            .filter(function(e) {
              return "msid" === e.attribute;
            });
          return n.length > 0
            ? ((t = n[0].value.split(" ")), { stream: t[0], track: t[1] })
            : void 0;
        }),
        (o.parseSctpDescription = function(e) {
          var t,
            r = o.parseMLine(e),
            n = o.matchPrefix(e, "a=max-message-size:");
          n.length > 0 && (t = parseInt(n[0].substr(19), 10)),
            isNaN(t) && (t = 65536);
          var a = o.matchPrefix(e, "a=sctp-port:");
          if (a.length > 0)
            return {
              port: parseInt(a[0].substr(12), 10),
              protocol: r.fmt,
              maxMessageSize: t
            };
          if (o.matchPrefix(e, "a=sctpmap:").length > 0) {
            var i = o
              .matchPrefix(e, "a=sctpmap:")[0]
              .substr(10)
              .split(" ");
            return {
              port: parseInt(i[0], 10),
              protocol: i[1],
              maxMessageSize: t
            };
          }
        }),
        (o.writeSctpDescription = function(e, t) {
          var r = [];
          return (
            (r =
              "DTLS/SCTP" !== e.protocol
                ? [
                    "m=" +
                      e.kind +
                      " 9 " +
                      e.protocol +
                      " " +
                      t.protocol +
                      "\r\n",
                    "c=IN IP4 0.0.0.0\r\n",
                    "a=sctp-port:" + t.port + "\r\n"
                  ]
                : [
                    "m=" + e.kind + " 9 " + e.protocol + " " + t.port + "\r\n",
                    "c=IN IP4 0.0.0.0\r\n",
                    "a=sctpmap:" + t.port + " " + t.protocol + " 65535\r\n"
                  ]),
            void 0 !== t.maxMessageSize &&
              r.push("a=max-message-size:" + t.maxMessageSize + "\r\n"),
            r.join("")
          );
        }),
        (o.generateSessionId = function() {
          return Math.random()
            .toString()
            .substr(2, 21);
        }),
        (o.writeSessionBoilerplate = function(e, t, r) {
          var n,
            a = void 0 !== t ? t : 2;
          return (
            (n = e || o.generateSessionId()),
            "v=0\r\no=" +
              (r || "thisisadapterortc") +
              " " +
              n +
              " " +
              a +
              " IN IP4 127.0.0.1\r\ns=-\r\nt=0 0\r\n"
          );
        }),
        (o.writeMediaSection = function(e, t, r, n) {
          var a = o.writeRtpDescription(e.kind, t);
          if (
            ((a += o.writeIceParameters(e.iceGatherer.getLocalParameters())),
            (a += o.writeDtlsParameters(
              e.dtlsTransport.getLocalParameters(),
              "offer" === r ? "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 i = "msid:" + n.id + " " + e.rtpSender.track.id + "\r\n";
            (a += "a=" + i),
              (a += "a=ssrc:" + e.sendEncodingParameters[0].ssrc + " " + i),
              e.sendEncodingParameters[0].rtx &&
                ((a +=
                  "a=ssrc:" + e.sendEncodingParameters[0].rtx.ssrc + " " + i),
                (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:" +
              o.localCName +
              "\r\n"),
            e.rtpSender &&
              e.sendEncodingParameters[0].rtx &&
              (a +=
                "a=ssrc:" +
                e.sendEncodingParameters[0].rtx.ssrc +
                " cname:" +
                o.localCName +
                "\r\n"),
            a
          );
        }),
        (o.getDirection = function(e, t) {
          for (var r = o.splitLines(e), n = 0; n < r.length; n++)
            switch (r[n]) {
              case "a=sendrecv":
              case "a=sendonly":
              case "a=recvonly":
              case "a=inactive":
                return r[n].substr(2);
            }
          return t ? o.getDirection(t) : "sendrecv";
        }),
        (o.getKind = function(e) {
          return o
            .splitLines(e)[0]
            .split(" ")[0]
            .substr(2);
        }),
        (o.isRejected = function(e) {
          return "0" === e.split(" ", 2)[1];
        }),
        (o.parseMLine = function(e) {
          var t = o.splitLines(e),
            r = t[0].substr(2).split(" ");
          return {
            kind: r[0],
            port: parseInt(r[1], 10),
            protocol: r[2],
            fmt: r.slice(3).join(" ")
          };
        }),
        (o.parseOLine = function(e) {
          var t = o.matchPrefix(e, "o=")[0],
            r = t.substr(2).split(" ");
          return {
            username: r[0],
            sessionId: r[1],
            sessionVersion: parseInt(r[2], 10),
            netType: r[3],
            addressType: r[4],
            address: r[5]
          };
        }),
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          return !0;
        }),
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    function(e, t, r) {
      "use strict";
      r.d(t, "b", function() {
        return l;
      }),
        r.d(t, "a", function() {
          return f;
        }),
        r.d(t, "d", function() {
          return p;
        }),
        r.d(t, "c", function() {
          return m;
        });
      var o = r(110),
        n = r.n(o),
        a = r(55),
        i = r.n(a),
        c = r(114),
        s = r.n(c),
        d = r(126),
        u = r.n(d),
        l = (function(e) {
          function t() {
            i()(this, t);
            var e = s()(
              this,
              (t.__proto__ || n()(t)).call(
                this,
                "can't process cross-origin image"
              )
            );
            return (e.name = "DropImageFetchError"), e;
          }
          return u()(t, e), t;
        })(Error),
        f = (function(e) {
          function t() {
            i()(this, t);
            var e = s()(
              this,
              (t.__proto__ || n()(t)).call(
                this,
                "drag-and-dropped file is not of type image and can't be decoded"
              )
            );
            return (e.name = "DropImageDecodeError"), e;
          }
          return u()(t, e), t;
        })(Error),
        p = (function(e) {
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            i()(this, t);
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              this,
              (t.__proto__ || n()(t)).call(
                this,
                "this browser has no Stream API support"
              )
            );
            return (e.name = "StreamApiNotSupportedError"), e;
          }
          return u()(t, e), t;
        })(Error),
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          function t() {
            i()(this, t);
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              this,
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                this,
                "camera access is only permitted in secure context. Use HTTPS or localhost rather than HTTP."
              )
            );
            return (e.name = "InsecureContextError"), e;
          }
          return u()(t, e), t;
        })(Error);
    },
    function(e, t, r) {
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                e !== c.default.prototype
                ? "symbol"
                : void 0 === e
                ? "undefined"
                : s(e);
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    },
    function(e, t) {
      t.f = Object.getOwnPropertySymbols;
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    function(e, t, r) {
      var o = r(45),
        n = r(31).concat("length", "prototype");
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        function(e) {
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    function(e, t, r) {
      var o = r(37),
        n = r(20),
        a = r(11),
        i = r(26),
        c = r(10),
        s = r(43),
        d = Object.getOwnPropertyDescriptor;
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        ? d
        : function(e, t) {
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          };
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    function(e, t, r) {
      "use strict";
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        e.component("qrcode-stream", a.a);
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      var n = r(63),
        a = r.n(n);
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        return a.a;
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      var c = null;
      "undefined" != typeof window
        ? (c = window.Vue)
        : "undefined" != typeof global && (c = global.Vue),
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    function(e, t, r) {
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    function(e, t) {},
    function(e, t, r) {
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        u = r(93),
        l = r(94),
        f = r(135),
        p = r.n(f),
        m = r(137),
        v = r.n(m);
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        name: "qrcode-stream",
        mixins: [p.a],
        props: {
          camera: {
            type: String,
            default: "auto",
            validator: function(e) {
              return [
                "auto",
                "rear",
                "front",
                "off",
                "autoRear",
                "autoFront"
              ].includes(e);
            }
          },
          track: { type: [Function, Boolean], default: !0 },
          worker: { type: Function, default: v.a },
          mediaConstraints: {
            type: Object,
            default: function() {
              return {
                audio: !1,
                video: {
                  width: { min: 360, ideal: 640, max: 1920 },
                  height: { min: 240, ideal: 480, max: 1080 }
                }
              };
            }
          },
          mirror: { type: Boolean, default: !1 }
        },
        data: function() {
          return {
            cameraInstance: null,
            destroyed: !1,
            stopScanning: function() {}
          };
        },
        computed: {
          shouldStream: function() {
            return !1 === this.destroyed && "off" !== this.camera;
          },
          shouldScan: function() {
            return !0 === this.shouldStream && null !== this.cameraInstance;
          },
          scanInterval: function() {
            return !1 === this.track ? 500 : 40;
          },
          trackRepaintFunction: function() {
            return !0 === this.track
              ? Object(u.a)({ color: "#ff0000" })
              : !1 === this.track
              ? void 0
              : this.track;
          },
          constraints: function() {
            var e = this.mediaConstraints;
            switch (this.camera) {
              case "auto":
                return (e.video.facingMode = { ideal: "environment" }), e;
              case "rear":
                return (e.video.facingMode = { exact: "environment" }), e;
              case "front":
                return (e.video.facingMode = { exact: "user" }), e;
              case "autoRear":
                return (e.video.facingMode = { ideal: "environment" }), e;
              case "autoFront":
                return (e.video.facingMode = { ideal: "user" }), e;
              case "off":
              default:
                return;
            }
          }
        },
        watch: {
          shouldStream: function(e) {
            if (!e) {
              var t = this.cameraInstance.captureFrame();
              this.paintPauseFrame(t);
            }
          },
          shouldScan: function(e) {
            e
              ? (this.clearPauseFrame(),
                this.clearTrackingLayer(),
                this.startScanning())
              : this.stopScanning();
          },
          constraints: function() {
            this.$emit("init", this.init());
          }
        },
        mounted: function() {
          this.$emit("init", this.init());
        },
        beforeDestroy: function() {
          this.beforeResetCamera(), this.stopScanning(), (this.destroyed = !0);
        },
        methods: {
          init: function() {
            var e = this;
            return s()(
              i.a.mark(function t() {
                return i.a.wrap(
                  function(t) {
                    for (;;)
                      switch ((t.prev = t.next)) {
                        case 0:
                          if ((e.beforeResetCamera(), void 0 !== e.constraints)) {
                            t.next = 5;
                            break;
                          }
                          (e.cameraInstance = null), (t.next = 9);
                          break;
                        case 5:
                          return (
                            (t.next = 7),
                            Object(l.a)(e.constraints, e.$refs.video)
                          );
                        case 7:
                          (e.cameraInstance = t.sent),
                            e.destroyed && e.cameraInstance.stop();
                        case 9:
                        case "end":
                          return t.stop();
                      }
                  },
                  t,
                  e
                );
              })
            )();
          },
          startScanning: function() {
            var e = this,
              t = function(t) {
                e.onDetect(n.a.resolve(t));
              };
            this.stopScanning = Object(d.a)(this.worker, this.cameraInstance, {
              detectHandler: t,
              locateHandler: this.onLocate,
              minDelay: this.scanInterval
            });
          },
          beforeResetCamera: function() {
            null !== this.cameraInstance &&
              (this.cameraInstance.stop(), (this.cameraInstance = null));
          },
          onLocate: function(e) {
            void 0 === this.trackRepaintFunction || null === e
              ? this.clearTrackingLayer()
              : this.repaintTrackingLayer(e);
          },
          repaintTrackingLayer: function(e) {
            var t = this,
              r = this.$refs.video,
              o = this.$refs.trackingLayer,
              n = o.getContext("2d"),
              a = r.offsetWidth,
              i = r.offsetHeight,
              c = r.videoWidth,
              s = r.videoHeight,
              d = Math.max(a / c, i / s),
              u = c * d,
              l = s * d,
              f = u / c,
              p = l / s,
              m = (a - u) / 2,
              v = (i - l) / 2,
              h = {};
            for (var k in e)
              h[k] = {
                x: Math.floor(e[k].x * f + m),
                y: Math.floor(e[k].y * p + v)
              };
            window.requestAnimationFrame(function() {
              (o.width = a), (o.height = i), t.trackRepaintFunction(h, n);
            });
          },
          clearTrackingLayer: function() {
            var e = this.$refs.trackingLayer,
              t = e.getContext("2d");
            window.requestAnimationFrame(function() {
              t.clearRect(0, 0, e.width, e.height);
            });
          },
          paintPauseFrame: function(e) {
            var t = this.$refs.pauseFrame,
              r = t.getContext("2d");
            window.requestAnimationFrame(function() {
              (t.width = e.width), (t.height = e.height), r.putImageData(e, 0, 0);
            });
          },
          clearPauseFrame: function() {
            var e = this.$refs.pauseFrame,
              t = e.getContext("2d");
            window.requestAnimationFrame(function() {
              t.clearRect(0, 0, e.width, e.height);
            });
          }
        }
      };
    },
    function(e, t, r) {
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      "use strict";
      t.__esModule = !0;
      var o = r(96),
        n = (function(e) {
          return e && e.__esModule ? e : { default: e };
        })(o);
      t.default = (function() {
        function e(e, t) {
          for (var r = 0; r < t.length; r++) {
            var o = t[r];
            (o.enumerable = o.enumerable || !1),
              (o.configurable = !0),
              "value" in o && (o.writable = !0),
              (0, n.default)(e, o.key, o);
          }
        }
        return function(t, r, o) {
          return r && e(t.prototype, r), o && e(t, o), t;
        };
      })();
    },
    function(e, t, r) {
      e.exports = { default: r(97), __esModule: !0 };
    },
    function(e, t, r) {
      r(98);
      var o = r(1).Object;
      e.exports = function(e, t, r) {
        return o.defineProperty(e, t, r);
      };
    },
    function(e, t, r) {
      var o = r(3);
      o(o.S + o.F * !r(8), "Object", { defineProperty: r(6).f });
    },
    function(e, t, r) {
      "use strict";
      var o = r(5);
      e.exports = function(e, t) {
        var n = e && e.window,
          a = { shimChrome: !0, shimFirefox: !0, shimEdge: !0, shimSafari: !0 };
        for (var i in t) hasOwnProperty.call(t, i) && (a[i] = t[i]);
        var c = o.log,
          s = o.detectBrowser(n),
          d = r(100) || null,
          u = r(102) || null,
          l = r(106) || null,
          f = r(108) || null,
          p = r(109) || null,
          m = {
            browserDetails: s,
            commonShim: p,
            extractVersion: o.extractVersion,
            disableLog: o.disableLog,
            disableWarnings: o.disableWarnings
          };
        switch (s.browser) {
          case "chrome":
            if (!d || !d.shimPeerConnection || !a.shimChrome)
              return c("Chrome shim is not included in this adapter release."), m;
            c("adapter.js shimming chrome."),
              (m.browserShim = d),
              p.shimCreateObjectURL(n),
              d.shimGetUserMedia(n),
              d.shimMediaStream(n),
              d.shimSourceObject(n),
              d.shimPeerConnection(n),
              d.shimOnTrack(n),
              d.shimAddTrackRemoveTrack(n),
              d.shimGetSendersWithDtmf(n),
              d.shimSenderReceiverGetStats(n),
              d.fixNegotiationNeeded(n),
              p.shimRTCIceCandidate(n),
              p.shimMaxMessageSize(n),
              p.shimSendThrowTypeError(n);
            break;
          case "firefox":
            if (!l || !l.shimPeerConnection || !a.shimFirefox)
              return (
                c("Firefox shim is not included in this adapter release."), m
              );
            c("adapter.js shimming firefox."),
              (m.browserShim = l),
              p.shimCreateObjectURL(n),
              l.shimGetUserMedia(n),
              l.shimSourceObject(n),
              l.shimPeerConnection(n),
              l.shimOnTrack(n),
              l.shimRemoveStream(n),
              l.shimSenderGetStats(n),
              l.shimReceiverGetStats(n),
              l.shimRTCDataChannel(n),
              p.shimRTCIceCandidate(n),
              p.shimMaxMessageSize(n),
              p.shimSendThrowTypeError(n);
            break;
          case "edge":
            if (!u || !u.shimPeerConnection || !a.shimEdge)
              return (
                c("MS edge shim is not included in this adapter release."), m
              );
            c("adapter.js shimming edge."),
              (m.browserShim = u),
              p.shimCreateObjectURL(n),
              u.shimGetUserMedia(n),
              u.shimPeerConnection(n),
              u.shimReplaceTrack(n),
              u.shimGetDisplayMedia(n),
              p.shimMaxMessageSize(n),
              p.shimSendThrowTypeError(n);
            break;
          case "safari":
            if (!f || !a.shimSafari)
              return c("Safari shim is not included in this adapter release."), m;
            c("adapter.js shimming safari."),
              (m.browserShim = f),
              p.shimCreateObjectURL(n),
              f.shimRTCIceServerUrls(n),
              f.shimCreateOfferLegacy(n),
              f.shimCallbacksAPI(n),
              f.shimLocalStreamsAPI(n),
              f.shimRemoteStreamsAPI(n),
              f.shimTrackEventTransceiver(n),
              f.shimGetUserMedia(n),
              p.shimRTCIceCandidate(n),
              p.shimMaxMessageSize(n),
              p.shimSendThrowTypeError(n);
            break;
          default:
            c("Unsupported browser!");
        }
        return m;
      };
    },
    function(e, t, r) {
      "use strict";
      function o(e, t, r) {
        t &&
          !r.has(t.id) &&
          (r.set(t.id, t),
          Object.keys(t).forEach(function(n) {
            n.endsWith("Id")
              ? o(e, e.get(t[n]), r)
              : n.endsWith("Ids") &&
                t[n].forEach(function(t) {
                  o(e, e.get(t), r);
                });
          }));
      }
      function n(e, t, r) {
        var n = r ? "outbound-rtp" : "inbound-rtp",
          a = new Map();
        if (null === t) return a;
        var i = [];
        return (
          e.forEach(function(e) {
            "track" === e.type && e.trackIdentifier === t.id && i.push(e);
          }),
          i.forEach(function(t) {
            e.forEach(function(r) {
              r.type === n && r.trackId === t.id && o(e, r, a);
            });
          }),
          a
        );
      }
      var a = r(5),
        i = a.log;
      e.exports = {
        shimGetUserMedia: r(101),
        shimMediaStream: function(e) {
          e.MediaStream = e.MediaStream || e.webkitMediaStream;
        },
        shimOnTrack: function(e) {
          if (
            "object" != typeof e ||
            !e.RTCPeerConnection ||
            "ontrack" in e.RTCPeerConnection.prototype
          )
            a.wrapPeerConnectionEvent(e, "track", function(e) {
              return (
                e.transceiver ||
                  Object.defineProperty(e, "transceiver", {
                    value: { receiver: e.receiver }
                  }),
                e
              );
            });
          else {
            Object.defineProperty(e.RTCPeerConnection.prototype, "ontrack", {
              get: function() {
                return this._ontrack;
              },
              set: function(e) {
                this._ontrack && this.removeEventListener("track", this._ontrack),
                  this.addEventListener("track", (this._ontrack = e));
              },
              enumerable: !0,
              configurable: !0
            });
            var t = e.RTCPeerConnection.prototype.setRemoteDescription;
            e.RTCPeerConnection.prototype.setRemoteDescription = function() {
              var r = this;
              return (
                r._ontrackpoly ||
                  ((r._ontrackpoly = function(t) {
                    t.stream.addEventListener("addtrack", function(o) {
                      var n;
                      n = e.RTCPeerConnection.prototype.getReceivers
                        ? r.getReceivers().find(function(e) {
                            return e.track && e.track.id === o.track.id;
                          })
                        : { track: o.track };
                      var a = new Event("track");
                      (a.track = o.track),
                        (a.receiver = n),
                        (a.transceiver = { receiver: n }),
                        (a.streams = [t.stream]),
                        r.dispatchEvent(a);
                    }),
                      t.stream.getTracks().forEach(function(o) {
                        var n;
                        n = e.RTCPeerConnection.prototype.getReceivers
                          ? r.getReceivers().find(function(e) {
                              return e.track && e.track.id === o.id;
                            })
                          : { track: o };
                        var a = new Event("track");
                        (a.track = o),
                          (a.receiver = n),
                          (a.transceiver = { receiver: n }),
                          (a.streams = [t.stream]),
                          r.dispatchEvent(a);
                      });
                  }),
                  r.addEventListener("addstream", r._ontrackpoly)),
                t.apply(r, arguments)
              );
            };
          }
        },
        shimGetSendersWithDtmf: function(e) {
          if (
            "object" == typeof e &&
            e.RTCPeerConnection &&
            !("getSenders" in e.RTCPeerConnection.prototype) &&
            "createDTMFSender" in e.RTCPeerConnection.prototype
          ) {
            var 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()
                );
              };
              var r = e.RTCPeerConnection.prototype.addTrack;
              e.RTCPeerConnection.prototype.addTrack = function(e, o) {
                var n = this,
                  a = r.apply(n, arguments);
                return a || ((a = t(n, e)), n._senders.push(a)), a;
              };
              var o = e.RTCPeerConnection.prototype.removeTrack;
              e.RTCPeerConnection.prototype.removeTrack = function(e) {
                var t = this;
                o.apply(t, arguments);
                var r = t._senders.indexOf(e);
                -1 !== r && t._senders.splice(r, 1);
              };
            }
            var n = e.RTCPeerConnection.prototype.addStream;
            e.RTCPeerConnection.prototype.addStream = function(e) {
              var r = this;
              (r._senders = r._senders || []),
                n.apply(r, [e]),
                e.getTracks().forEach(function(e) {
                  r._senders.push(t(r, e));
                });
            };
            var a = e.RTCPeerConnection.prototype.removeStream;
            e.RTCPeerConnection.prototype.removeStream = function(e) {
              var t = this;
              (t._senders = t._senders || []),
                a.apply(t, [e]),
                e.getTracks().forEach(function(e) {
                  var r = t._senders.find(function(t) {
                    return t.track === e;
                  });
                  r && t._senders.splice(t._senders.indexOf(r), 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)
          ) {
            var i = e.RTCPeerConnection.prototype.getSenders;
            (e.RTCPeerConnection.prototype.getSenders = function() {
              var e = this,
                t = i.apply(e, []);
              return (
                t.forEach(function(t) {
                  t._pc = e;
                }),
                t
              );
            }),
              Object.defineProperty(e.RTCRtpSender.prototype, "dtmf", {
                get: function() {
                  return (
                    void 0 === this._dtmf &&
                      ("audio" === this.track.kind
                        ? (this._dtmf = this._pc.createDTMFSender(this.track))
                        : (this._dtmf = null)),
                    this._dtmf
                  );
                }
              });
          }
        },
        shimSenderReceiverGetStats: function(e) {
          if (
            "object" == typeof e &&
            e.RTCPeerConnection &&
            e.RTCRtpSender &&
            e.RTCRtpReceiver
          ) {
            if (!("getStats" in e.RTCRtpSender.prototype)) {
              var t = e.RTCPeerConnection.prototype.getSenders;
              t &&
                (e.RTCPeerConnection.prototype.getSenders = function() {
                  var e = this,
                    r = t.apply(e, []);
                  return (
                    r.forEach(function(t) {
                      t._pc = e;
                    }),
                    r
                  );
                });
              var r = e.RTCPeerConnection.prototype.addTrack;
              r &&
                (e.RTCPeerConnection.prototype.addTrack = function() {
                  var e = r.apply(this, arguments);
                  return (e._pc = this), e;
                }),
                (e.RTCRtpSender.prototype.getStats = function() {
                  var e = this;
                  return this._pc.getStats().then(function(t) {
                    return n(t, e.track, !0);
                  });
                });
            }
            if (!("getStats" in e.RTCRtpReceiver.prototype)) {
              var o = e.RTCPeerConnection.prototype.getReceivers;
              o &&
                (e.RTCPeerConnection.prototype.getReceivers = function() {
                  var e = this,
                    t = o.apply(e, []);
                  return (
                    t.forEach(function(t) {
                      t._pc = e;
                    }),
                    t
                  );
                }),
                a.wrapPeerConnectionEvent(e, "track", function(e) {
                  return (e.receiver._pc = e.srcElement), e;
                }),
                (e.RTCRtpReceiver.prototype.getStats = function() {
                  var e = this;
                  return this._pc.getStats().then(function(t) {
                    return n(t, e.track, !1);
                  });
                });
            }
            if (
              "getStats" in e.RTCRtpSender.prototype &&
              "getStats" in e.RTCRtpReceiver.prototype
            ) {
              var i = e.RTCPeerConnection.prototype.getStats;
              e.RTCPeerConnection.prototype.getStats = function() {
                var t = this;
                if (
                  arguments.length > 0 &&
                  arguments[0] instanceof e.MediaStreamTrack
                ) {
                  var r,
                    o,
                    n,
                    a = arguments[0];
                  return (
                    t.getSenders().forEach(function(e) {
                      e.track === a && (r ? (n = !0) : (r = e));
                    }),
                    t.getReceivers().forEach(function(e) {
                      return (
                        e.track === a && (o ? (n = !0) : (o = e)), e.track === a
                      );
                    }),
                    n || (r && o)
                      ? Promise.reject(
                          new DOMException(
                            "There are more than one sender or receiver for the track.",
                            "InvalidAccessError"
                          )
                        )
                      : r
                      ? r.getStats()
                      : o
                      ? o.getStats()
                      : Promise.reject(
                          new DOMException(
                            "There is no sender or receiver for the track.",
                            "InvalidAccessError"
                          )
                        )
                  );
                }
                return i.apply(t, arguments);
              };
            }
          }
        },
        shimSourceObject: function(e) {
          var t = e && e.URL;
          "object" == typeof e &&
            (!e.HTMLMediaElement ||
              "srcObject" in e.HTMLMediaElement.prototype ||
              Object.defineProperty(e.HTMLMediaElement.prototype, "srcObject", {
                get: function() {
                  return this._srcObject;
                },
                set: function(e) {
                  var r = this;
                  if (
                    ((this._srcObject = e),
                    this.src && t.revokeObjectURL(this.src),
                    !e)
                  )
                    return void (this.src = "");
                  (this.src = t.createObjectURL(e)),
                    e.addEventListener("addtrack", function() {
                      r.src && t.revokeObjectURL(r.src),
                        (r.src = t.createObjectURL(e));
                    }),
                    e.addEventListener("removetrack", function() {
                      r.src && t.revokeObjectURL(r.src),
                        (r.src = t.createObjectURL(e));
                    });
                }
              }));
        },
        shimAddTrackRemoveTrackWithNative: function(e) {
          e.RTCPeerConnection.prototype.getLocalStreams = function() {
            var e = this;
            return (
              (this._shimmedLocalStreams = this._shimmedLocalStreams || {}),
              Object.keys(this._shimmedLocalStreams).map(function(t) {
                return e._shimmedLocalStreams[t][0];
              })
            );
          };
          var t = e.RTCPeerConnection.prototype.addTrack;
          e.RTCPeerConnection.prototype.addTrack = function(e, r) {
            if (!r) return t.apply(this, arguments);
            this._shimmedLocalStreams = this._shimmedLocalStreams || {};
            var o = t.apply(this, arguments);
            return (
              this._shimmedLocalStreams[r.id]
                ? -1 === this._shimmedLocalStreams[r.id].indexOf(o) &&
                  this._shimmedLocalStreams[r.id].push(o)
                : (this._shimmedLocalStreams[r.id] = [r, o]),
              o
            );
          };
          var r = e.RTCPeerConnection.prototype.addStream;
          e.RTCPeerConnection.prototype.addStream = function(e) {
            var t = this;
            (this._shimmedLocalStreams = this._shimmedLocalStreams || {}),
              e.getTracks().forEach(function(e) {
                if (
                  t.getSenders().find(function(t) {
                    return t.track === e;
                  })
                )
                  throw new DOMException(
                    "Track already exists.",
                    "InvalidAccessError"
                  );
              });
            var o = t.getSenders();
            r.apply(this, arguments);
            var n = t.getSenders().filter(function(e) {
              return -1 === o.indexOf(e);
            });
            this._shimmedLocalStreams[e.id] = [e].concat(n);
          };
          var o = e.RTCPeerConnection.prototype.removeStream;
          e.RTCPeerConnection.prototype.removeStream = function(e) {
            return (
              (this._shimmedLocalStreams = this._shimmedLocalStreams || {}),
              delete this._shimmedLocalStreams[e.id],
              o.apply(this, arguments)
            );
          };
          var n = e.RTCPeerConnection.prototype.removeTrack;
          e.RTCPeerConnection.prototype.removeTrack = function(e) {
            var t = this;
            return (
              (this._shimmedLocalStreams = this._shimmedLocalStreams || {}),
              e &&
                Object.keys(this._shimmedLocalStreams).forEach(function(r) {
                  var o = t._shimmedLocalStreams[r].indexOf(e);
                  -1 !== o && t._shimmedLocalStreams[r].splice(o, 1),
                    1 === t._shimmedLocalStreams[r].length &&
                      delete t._shimmedLocalStreams[r];
                }),
              n.apply(this, arguments)
            );
          };
        },
        shimAddTrackRemoveTrack: function(e) {
          function t(e, t) {
            var r = t.sdp;
            return (
              Object.keys(e._reverseStreams || []).forEach(function(t) {
                var o = e._reverseStreams[t],
                  n = e._streams[o.id];
                r = r.replace(new RegExp(n.id, "g"), o.id);
              }),
              new RTCSessionDescription({ type: t.type, sdp: r })
            );
          }
          function r(e, t) {
            var r = t.sdp;
            return (
              Object.keys(e._reverseStreams || []).forEach(function(t) {
                var o = e._reverseStreams[t],
                  n = e._streams[o.id];
                r = r.replace(new RegExp(o.id, "g"), n.id);
              }),
              new RTCSessionDescription({ type: t.type, sdp: r })
            );
          }
          if (e.RTCPeerConnection) {
            var o = a.detectBrowser(e);
            if (e.RTCPeerConnection.prototype.addTrack && o.version >= 65)
              return this.shimAddTrackRemoveTrackWithNative(e);
            var n = e.RTCPeerConnection.prototype.getLocalStreams;
            e.RTCPeerConnection.prototype.getLocalStreams = function() {
              var e = this,
                t = n.apply(this);
              return (
                (e._reverseStreams = e._reverseStreams || {}),
                t.map(function(t) {
                  return e._reverseStreams[t.id];
                })
              );
            };
            var i = e.RTCPeerConnection.prototype.addStream;
            e.RTCPeerConnection.prototype.addStream = function(t) {
              var r = this;
              if (
                ((r._streams = r._streams || {}),
                (r._reverseStreams = r._reverseStreams || {}),
                t.getTracks().forEach(function(e) {
                  if (
                    r.getSenders().find(function(t) {
                      return t.track === e;
                    })
                  )
                    throw new DOMException(
                      "Track already exists.",
                      "InvalidAccessError"
                    );
                }),
                !r._reverseStreams[t.id])
              ) {
                var o = new e.MediaStream(t.getTracks());
                (r._streams[t.id] = o), (r._reverseStreams[o.id] = t), (t = o);
              }
              i.apply(r, [t]);
            };
            var c = e.RTCPeerConnection.prototype.removeStream;
            (e.RTCPeerConnection.prototype.removeStream = function(e) {
              var t = this;
              (t._streams = t._streams || {}),
                (t._reverseStreams = t._reverseStreams || {}),
                c.apply(t, [t._streams[e.id] || e]),
                delete t._reverseStreams[
                  t._streams[e.id] ? t._streams[e.id].id : e.id
                ],
                delete t._streams[e.id];
            }),
              (e.RTCPeerConnection.prototype.addTrack = function(t, r) {
                var o = this;
                if ("closed" === o.signalingState)
                  throw new DOMException(
                    "The RTCPeerConnection's signalingState is 'closed'.",
                    "InvalidStateError"
                  );
                var n = [].slice.call(arguments, 1);
                if (
                  1 !== n.length ||
                  !n[0].getTracks().find(function(e) {
                    return e === t;
                  })
                )
                  throw new DOMException(
                    "The adapter.js addTrack polyfill only supports a single  stream which is associated with the specified track.",
                    "NotSupportedError"
                  );
                if (
                  o.getSenders().find(function(e) {
                    return e.track === t;
                  })
                )
                  throw new DOMException(
                    "Track already exists.",
                    "InvalidAccessError"
                  );
                (o._streams = o._streams || {}),
                  (o._reverseStreams = o._reverseStreams || {});
                var a = o._streams[r.id];
                if (a)
                  a.addTrack(t),
                    Promise.resolve().then(function() {
                      o.dispatchEvent(new Event("negotiationneeded"));
                    });
                else {
                  var i = new e.MediaStream([t]);
                  (o._streams[r.id] = i),
                    (o._reverseStreams[i.id] = r),
                    o.addStream(i);
                }
                return o.getSenders().find(function(e) {
                  return e.track === t;
                });
              }),
              ["createOffer", "createAnswer"].forEach(function(r) {
                var o = e.RTCPeerConnection.prototype[r];
                e.RTCPeerConnection.prototype[r] = function() {
                  var e = this,
                    r = arguments;
                  return arguments.length && "function" == typeof arguments[0]
                    ? o.apply(e, [
                        function(o) {
                          var n = t(e, o);
                          r[0].apply(null, [n]);
                        },
                        function(e) {
                          r[1] && r[1].apply(null, e);
                        },
                        arguments[2]
                      ])
                    : o.apply(e, arguments).then(function(r) {
                        return t(e, r);
                      });
                };
              });
            var s = e.RTCPeerConnection.prototype.setLocalDescription;
            e.RTCPeerConnection.prototype.setLocalDescription = function() {
              var e = this;
              return arguments.length && arguments[0].type
                ? ((arguments[0] = r(e, arguments[0])), s.apply(e, arguments))
                : s.apply(e, arguments);
            };
            var d = Object.getOwnPropertyDescriptor(
              e.RTCPeerConnection.prototype,
              "localDescription"
            );
            Object.defineProperty(
              e.RTCPeerConnection.prototype,
              "localDescription",
              {
                get: function() {
                  var e = this,
                    r = d.get.apply(this);
                  return "" === r.type ? r : t(e, r);
                }
              }
            ),
              (e.RTCPeerConnection.prototype.removeTrack = function(e) {
                var t = this;
                if ("closed" === t.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 !== t)
                  throw new DOMException(
                    "Sender was not created by this connection.",
                    "InvalidAccessError"
                  );
                t._streams = t._streams || {};
                var r;
                Object.keys(t._streams).forEach(function(o) {
                  t._streams[o].getTracks().find(function(t) {
                    return e.track === t;
                  }) && (r = t._streams[o]);
                }),
                  r &&
                    (1 === r.getTracks().length
                      ? t.removeStream(t._reverseStreams[r.id])
                      : r.removeTrack(e.track),
                    t.dispatchEvent(new Event("negotiationneeded")));
              });
          }
        },
        shimPeerConnection: function(e) {
          var t = a.detectBrowser(e);
          if (
            (!e.RTCPeerConnection &&
              e.webkitRTCPeerConnection &&
              ((e.RTCPeerConnection = function(t, r) {
                return (
                  i("PeerConnection"),
                  t &&
                    t.iceTransportPolicy &&
                    (t.iceTransports = t.iceTransportPolicy),
                  new e.webkitRTCPeerConnection(t, r)
                );
              }),
              (e.RTCPeerConnection.prototype =
                e.webkitRTCPeerConnection.prototype),
              e.webkitRTCPeerConnection.generateCertificate &&
                Object.defineProperty(
                  e.RTCPeerConnection,
                  "generateCertificate",
                  {
                    get: function() {
                      return e.webkitRTCPeerConnection.generateCertificate;
                    }
                  }
                )),
            e.RTCPeerConnection)
          ) {
            var r = e.RTCPeerConnection.prototype.getStats;
            (e.RTCPeerConnection.prototype.getStats = function(e, t, o) {
              var n = this,
                a = arguments;
              if (arguments.length > 0 && "function" == typeof e)
                return r.apply(this, arguments);
              if (
                0 === r.length &&
                (0 === arguments.length || "function" != typeof arguments[0])
              )
                return r.apply(this, []);
              var i = function(e) {
                  var t = {};
                  return (
                    e.result().forEach(function(e) {
                      var r = {
                        id: e.id,
                        timestamp: e.timestamp,
                        type:
                          {
                            localcandidate: "local-candidate",
                            remotecandidate: "remote-candidate"
                          }[e.type] || e.type
                      };
                      e.names().forEach(function(t) {
                        r[t] = e.stat(t);
                      }),
                        (t[r.id] = r);
                    }),
                    t
                  );
                },
                c = function(e) {
                  return new Map(
                    Object.keys(e).map(function(t) {
                      return [t, e[t]];
                    })
                  );
                };
              if (arguments.length >= 2) {
                var s = function(e) {
                  a[1](c(i(e)));
                };
                return r.apply(this, [s, arguments[0]]);
              }
              return new Promise(function(e, t) {
                r.apply(n, [
                  function(t) {
                    e(c(i(t)));
                  },
                  t
                ]);
              }).then(t, o);
            }),
              t.version < 51 &&
                [
                  "setLocalDescription",
                  "setRemoteDescription",
                  "addIceCandidate"
                ].forEach(function(t) {
                  var r = e.RTCPeerConnection.prototype[t];
                  e.RTCPeerConnection.prototype[t] = function() {
                    var e = arguments,
                      t = this,
                      o = new Promise(function(o, n) {
                        r.apply(t, [e[0], o, n]);
                      });
                    return e.length < 2
                      ? o
                      : o.then(
                          function() {
                            e[1].apply(null, []);
                          },
                          function(t) {
                            e.length >= 3 && e[2].apply(null, [t]);
                          }
                        );
                  };
                }),
              t.version < 52 &&
                ["createOffer", "createAnswer"].forEach(function(t) {
                  var r = e.RTCPeerConnection.prototype[t];
                  e.RTCPeerConnection.prototype[t] = function() {
                    var e = this;
                    if (
                      arguments.length < 1 ||
                      (1 === arguments.length && "object" == typeof arguments[0])
                    ) {
                      var t = 1 === arguments.length ? arguments[0] : void 0;
                      return new Promise(function(o, n) {
                        r.apply(e, [o, n, t]);
                      });
                    }
                    return r.apply(this, arguments);
                  };
                }),
              [
                "setLocalDescription",
                "setRemoteDescription",
                "addIceCandidate"
              ].forEach(function(t) {
                var r = e.RTCPeerConnection.prototype[t];
                e.RTCPeerConnection.prototype[t] = function() {
                  return (
                    (arguments[0] = new ("addIceCandidate" === t
                      ? e.RTCIceCandidate
                      : e.RTCSessionDescription)(arguments[0])),
                    r.apply(this, arguments)
                  );
                };
              });
            var o = e.RTCPeerConnection.prototype.addIceCandidate;
            e.RTCPeerConnection.prototype.addIceCandidate = function() {
              return arguments[0]
                ? o.apply(this, arguments)
                : (arguments[1] && arguments[1].apply(null), Promise.resolve());
            };
          }
        },
        fixNegotiationNeeded: function(e) {
          a.wrapPeerConnectionEvent(e, "negotiationneeded", function(e) {
            if ("stable" === e.target.signalingState) return e;
          });
        },
        shimGetDisplayMedia: function(e, t) {
          if (
            e.navigator &&
            e.navigator.mediaDevices &&
            !("getDisplayMedia" in e.navigator.mediaDevices)
          ) {
            if ("function" != typeof t)
              return void console.error(
                "shimGetDisplayMedia: getSourceId argument is not a function"
              );
            (e.navigator.mediaDevices.getDisplayMedia = function(r) {
              return t(r).then(function(t) {
                var o = r.video && r.video.width,
                  n = r.video && r.video.height,
                  a = r.video && r.video.frameRate;
                return (
                  (r.video = {
                    mandatory: {
                      chromeMediaSource: "desktop",
                      chromeMediaSourceId: t,
                      maxFrameRate: a || 3
                    }
                  }),
                  o && (r.video.mandatory.maxWidth = o),
                  n && (r.video.mandatory.maxHeight = n),
                  e.navigator.mediaDevices.getUserMedia(r)
                );
              });
            }),
              (e.navigator.getDisplayMedia = function(t) {
                return (
                  a.deprecated(
                    "navigator.getDisplayMedia",
                    "navigator.mediaDevices.getDisplayMedia"
                  ),
                  e.navigator.mediaDevices.getDisplayMedia(t)
                );
              });
          }
        }
      };
    },
    function(e, t, r) {
      "use strict";
      var o = r(5),
        n = o.log;
      e.exports = function(e) {
        var t = o.detectBrowser(e),
          r = e && e.navigator,
          a = function(e) {
            if ("object" != typeof e || e.mandatory || e.optional) return e;
            var t = {};
            return (
              Object.keys(e).forEach(function(r) {
                if ("require" !== r && "advanced" !== r && "mediaSource" !== r) {
                  var o = "object" == typeof e[r] ? e[r] : { ideal: e[r] };
                  void 0 !== o.exact &&
                    "number" == typeof o.exact &&
                    (o.min = o.max = o.exact);
                  var n = function(e, t) {
                    return e
                      ? e + t.charAt(0).toUpperCase() + t.slice(1)
                      : "deviceId" === t
                      ? "sourceId"
                      : t;
                  };
                  if (void 0 !== o.ideal) {
                    t.optional = t.optional || [];
                    var a = {};
                    "number" == typeof o.ideal
                      ? ((a[n("min", r)] = o.ideal),
                        t.optional.push(a),
                        (a = {}),
                        (a[n("max", r)] = o.ideal),
                        t.optional.push(a))
                      : ((a[n("", r)] = o.ideal), t.optional.push(a));
                  }
                  void 0 !== o.exact && "number" != typeof o.exact
                    ? ((t.mandatory = t.mandatory || {}),
                      (t.mandatory[n("", r)] = o.exact))
                    : ["min", "max"].forEach(function(e) {
                        void 0 !== o[e] &&
                          ((t.mandatory = t.mandatory || {}),
                          (t.mandatory[n(e, r)] = o[e]));
                      });
                }
              }),
              e.advanced && (t.optional = (t.optional || []).concat(e.advanced)),
              t
            );
          },
          i = function(e, o) {
            if (t.version >= 61) return o(e);
            if (
              (e = JSON.parse(JSON.stringify(e))) &&
              "object" == typeof e.audio
            ) {
              var i = function(e, t, r) {
                t in e && !(r in e) && ((e[r] = e[t]), delete e[t]);
              };
              (e = JSON.parse(JSON.stringify(e))),
                i(e.audio, "autoGainControl", "googAutoGainControl"),
                i(e.audio, "noiseSuppression", "googNoiseSuppression"),
                (e.audio = a(e.audio));
            }
            if (e && "object" == typeof e.video) {
              var c = e.video.facingMode;
              c = c && ("object" == typeof c ? c : { ideal: c });
              var s = t.version < 66;
              if (
                c &&
                ("user" === c.exact ||
                  "environment" === c.exact ||
                  "user" === c.ideal ||
                  "environment" === c.ideal) &&
                (!r.mediaDevices.getSupportedConstraints ||
                  !r.mediaDevices.getSupportedConstraints().facingMode ||
                  s)
              ) {
                delete e.video.facingMode;
                var d;
                if (
                  ("environment" === c.exact || "environment" === c.ideal
                    ? (d = ["back", "rear"])
                    : ("user" !== c.exact && "user" !== c.ideal) ||
                      (d = ["front"]),
                  d)
                )
                  return r.mediaDevices.enumerateDevices().then(function(t) {
                    t = t.filter(function(e) {
                      return "videoinput" === e.kind;
                    });
                    var r = t.find(function(e) {
                      return d.some(function(t) {
                        return -1 !== e.label.toLowerCase().indexOf(t);
                      });
                    });
                    return (
                      !r &&
                        t.length &&
                        -1 !== d.indexOf("back") &&
                        (r = t[t.length - 1]),
                      r &&
                        (e.video.deviceId = c.exact
                          ? { exact: r.deviceId }
                          : { ideal: r.deviceId }),
                      (e.video = a(e.video)),
                      n("chrome: " + JSON.stringify(e)),
                      o(e)
                    );
                  });
              }
              e.video = a(e.video);
            }
            return n("chrome: " + JSON.stringify(e)), o(e);
          },
          c = 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: function() {
                    return this.name + (this.message && ": ") + this.message;
                  }
                };
          },
          s = function(e, t, o) {
            i(e, function(e) {
              r.webkitGetUserMedia(e, t, function(e) {
                o && o(c(e));
              });
            });
          };
        r.getUserMedia = s;
        var d = function(e) {
          return new Promise(function(t, o) {
            r.getUserMedia(e, t, o);
          });
        };
        if (
          (r.mediaDevices ||
            (r.mediaDevices = {
              getUserMedia: d,
              enumerateDevices: function() {
                return new Promise(function(t) {
                  var r = { audio: "audioinput", video: "videoinput" };
                  return e.MediaStreamTrack.getSources(function(e) {
                    t(
                      e.map(function(e) {
                        return {
                          label: e.label,
                          kind: r[e.kind],
                          deviceId: e.id,
                          groupId: ""
                        };
                      })
                    );
                  });
                });
              },
              getSupportedConstraints: function() {
                return {
                  deviceId: !0,
                  echoCancellation: !0,
                  facingMode: !0,
                  frameRate: !0,
                  height: !0,
                  width: !0
                };
              }
            }),
          r.mediaDevices.getUserMedia)
        ) {
          var u = r.mediaDevices.getUserMedia.bind(r.mediaDevices);
          r.mediaDevices.getUserMedia = function(e) {
            return i(e, function(e) {
              return u(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(c(e));
                }
              );
            });
          };
        } else
          r.mediaDevices.getUserMedia = function(e) {
            return d(e);
          };
        void 0 === r.mediaDevices.addEventListener &&
          (r.mediaDevices.addEventListener = function() {
            n("Dummy mediaDevices.addEventListener called.");
          }),
          void 0 === r.mediaDevices.removeEventListener &&
            (r.mediaDevices.removeEventListener = function() {
              n("Dummy mediaDevices.removeEventListener called.");
            });
      };
    },
    function(e, t, r) {
      "use strict";
      var o = r(5),
        n = r(103),
        a = r(104);
      e.exports = {
        shimGetUserMedia: r(105),
        shimPeerConnection: function(e) {
          var t = o.detectBrowser(e);
          if (
            e.RTCIceGatherer &&
            (e.RTCIceCandidate ||
              (e.RTCIceCandidate = function(e) {
                return e;
              }),
            e.RTCSessionDescription ||
              (e.RTCSessionDescription = function(e) {
                return e;
              }),
            t.version < 15025)
          ) {
            var r = Object.getOwnPropertyDescriptor(
              e.MediaStreamTrack.prototype,
              "enabled"
            );
            Object.defineProperty(e.MediaStreamTrack.prototype, "enabled", {
              set: function(e) {
                r.set.call(this, e);
                var t = new Event("enabled");
                (t.enabled = e), this.dispatchEvent(t);
              }
            });
          }
          !e.RTCRtpSender ||
            "dtmf" in e.RTCRtpSender.prototype ||
            Object.defineProperty(e.RTCRtpSender.prototype, "dtmf", {
              get: function() {
                return (
                  void 0 === this._dtmf &&
                    ("audio" === this.track.kind
                      ? (this._dtmf = new e.RTCDtmfSender(this))
                      : "video" === this.track.kind && (this._dtmf = null)),
                  this._dtmf
                );
              }
            }),
            e.RTCDtmfSender &&
              !e.RTCDTMFSender &&
              (e.RTCDTMFSender = e.RTCDtmfSender);
          var i = a(e, t.version);
          (e.RTCPeerConnection = function(e) {
            return (
              e && e.iceServers && (e.iceServers = n(e.iceServers)), new i(e)
            );
          }),
            (e.RTCPeerConnection.prototype = i.prototype);
        },
        shimReplaceTrack: function(e) {
          !e.RTCRtpSender ||
            "replaceTrack" in e.RTCRtpSender.prototype ||
            (e.RTCRtpSender.prototype.replaceTrack =
              e.RTCRtpSender.prototype.setTrack);
        },
        shimGetDisplayMedia: function(e, t) {
          if (
            "getDisplayMedia" in e.navigator &&
            e.navigator.mediaDevices &&
            !("getDisplayMedia" in e.navigator.mediaDevices)
          ) {
            var r = e.navigator.getDisplayMedia;
            (e.navigator.mediaDevices.getDisplayMedia = function(t) {
              return r.call(e.navigator, t);
            }),
              (e.navigator.getDisplayMedia = function(t) {
                return (
                  o.deprecated(
                    "navigator.getDisplayMedia",
                    "navigator.mediaDevices.getDisplayMedia"
                  ),
                  r.call(e.navigator, t)
                );
              });
          }
        }
      };
    },
    function(e, t, r) {
      "use strict";
      var o = r(5);
      e.exports = function(e, t) {
        var r = !1;
        return (
          (e = JSON.parse(JSON.stringify(e))),
          e.filter(function(e) {
            if (e && (e.urls || e.url)) {
              var n = e.urls || e.url;
              e.url &&
                !e.urls &&
                o.deprecated("RTCIceServer.url", "RTCIceServer.urls");
              var a = "string" == typeof n;
              return (
                a && (n = [n]),
                (n = n.filter(function(e) {
                  return 0 !== e.indexOf("turn:") ||
                    -1 === e.indexOf("transport=udp") ||
                    -1 !== e.indexOf("turn:[") ||
                    r
                    ? 0 === e.indexOf("stun:") &&
                        t >= 14393 &&
                        -1 === e.indexOf("?transport=udp")
                    : ((r = !0), !0);
                })),
                delete e.url,
                (e.urls = a ? n[0] : n),
                !!n.length
              );
            }
          })
        );
      };
    },
    function(e, t, r) {
      "use strict";
      function o(e) {
        return (
          {
            inboundrtp: "inbound-rtp",
            outboundrtp: "outbound-rtp",
            candidatepair: "candidate-pair",
            localcandidate: "local-candidate",
            remotecandidate: "remote-candidate"
          }[e.type] || e.type
        );
      }
      function n(e, t, r, o, n) {
        var a = u.writeRtpDescription(e.kind, t);
        if (
          ((a += u.writeIceParameters(e.iceGatherer.getLocalParameters())),
          (a += u.writeDtlsParameters(
            e.dtlsTransport.getLocalParameters(),
            "offer" === r ? "actpass" : n || "active"
          )),
          (a += "a=mid:" + e.mid + "\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 i = e.rtpSender._initialTrackId || e.rtpSender.track.id;
          e.rtpSender._initialTrackId = i;
          var c = "msid:" + (o ? o.id : "-") + " " + i + "\r\n";
          (a += "a=" + c),
            (a += "a=ssrc:" + e.sendEncodingParameters[0].ssrc + " " + c),
            e.sendEncodingParameters[0].rtx &&
              ((a += "a=ssrc:" + e.sendEncodingParameters[0].rtx.ssrc + " " + c),
              (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:" +
            u.localCName +
            "\r\n"),
          e.rtpSender &&
            e.sendEncodingParameters[0].rtx &&
            (a +=
              "a=ssrc:" +
              e.sendEncodingParameters[0].rtx.ssrc +
              " cname:" +
              u.localCName +
              "\r\n"),
          a
        );
      }
      function a(e, t) {
        var r = !1;
        return (
          (e = JSON.parse(JSON.stringify(e))),
          e.filter(function(e) {
            if (e && (e.urls || e.url)) {
              var o = e.urls || e.url;
              e.url &&
                !e.urls &&
                console.warn("RTCIceServer.url is deprecated! Use urls instead.");
              var n = "string" == typeof o;
              return (
                n && (o = [o]),
                (o = o.filter(function(e) {
                  return 0 !== e.indexOf("turn:") ||
                    -1 === e.indexOf("transport=udp") ||
                    -1 !== e.indexOf("turn:[") ||
                    r
                    ? 0 === e.indexOf("stun:") &&
                        t >= 14393 &&
                        -1 === e.indexOf("?transport=udp")
                    : ((r = !0), !0);
                })),
                delete e.url,
                (e.urls = n ? o[0] : o),
                !!o.length
              );
            }
          })
        );
      }
      function i(e, t) {
        var r = { codecs: [], headerExtensions: [], fecMechanisms: [] },
          o = function(e, t) {
            e = parseInt(e, 10);
            for (var r = 0; r < t.length; r++)
              if (t[r].payloadType === e || t[r].preferredPayloadType === e)
                return t[r];
          },
          n = function(e, t, r, n) {
            var a = o(e.parameters.apt, r),
              i = o(t.parameters.apt, n);
            return a && i && a.name.toLowerCase() === i.name.toLowerCase();
          };
        return (
          e.codecs.forEach(function(o) {
            for (var a = 0; a < t.codecs.length; a++) {
              var i = t.codecs[a];
              if (
                o.name.toLowerCase() === i.name.toLowerCase() &&
                o.clockRate === i.clockRate
              ) {
                if (
                  "rtx" === o.name.toLowerCase() &&
                  o.parameters &&
                  i.parameters.apt &&
                  !n(o, i, e.codecs, t.codecs)
                )
                  continue;
                (i = JSON.parse(JSON.stringify(i))),
                  (i.numChannels = Math.min(o.numChannels, i.numChannels)),
                  r.codecs.push(i),
                  (i.rtcpFeedback = i.rtcpFeedback.filter(function(e) {
                    for (var t = 0; t < o.rtcpFeedback.length; t++)
                      if (
                        o.rtcpFeedback[t].type === e.type &&
                        o.rtcpFeedback[t].parameter === e.parameter
                      )
                        return !0;
                    return !1;
                  }));
                break;
              }
            }
          }),
          e.headerExtensions.forEach(function(e) {
            for (var o = 0; o < t.headerExtensions.length; o++) {
              var n = t.headerExtensions[o];
              if (e.uri === n.uri) {
                r.headerExtensions.push(n);
                break;
              }
            }
          }),
          r
        );
      }
      function c(e, t, r) {
        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(r)
        );
      }
      function s(e, t) {
        var r = e.getRemoteCandidates().find(function(e) {
          return (
            t.foundation === e.foundation &&
            t.ip === e.ip &&
            t.port === e.port &&
            t.priority === e.priority &&
            t.protocol === e.protocol &&
            t.type === e.type
          );
        });
        return r || e.addRemoteCandidate(t), !r;
      }
      function d(e, t) {
        var r = new Error(t);
        return (
          (r.name = e),
          (r.code = {
            NotSupportedError: 9,
            InvalidStateError: 11,
            InvalidAccessError: 15,
            TypeError: void 0,
            OperationError: void 0
          }[e]),
          r
        );
      }
      var u = r(56);
      e.exports = function(e, t) {
        function r(t, r) {
          r.addTrack(t),
            r.dispatchEvent(
              new e.MediaStreamTrackEvent("addtrack", { track: t })
            );
        }
        function l(t, r) {
          r.removeTrack(t),
            r.dispatchEvent(
              new e.MediaStreamTrackEvent("removetrack", { track: t })
            );
        }
        function f(t, r, o, n) {
          var a = new Event("track");
          (a.track = r),
            (a.receiver = o),
            (a.transceiver = { receiver: o }),
            (a.streams = n),
            e.setTimeout(function() {
              t._dispatchEvent("track", a);
            });
        }
        var p = function(r) {
          var o = this,
            n = document.createDocumentFragment();
          if (
            (["addEventListener", "removeEventListener", "dispatchEvent"].forEach(
              function(e) {
                o[e] = n[e].bind(n);
              }
            ),
            (this.canTrickleIceCandidates = null),
            (this.needNegotiation = !1),
            (this.localStreams = []),
            (this.remoteStreams = []),
            (this._localDescription = null),
            (this._remoteDescription = null),
            (this.signalingState = "stable"),
            (this.iceConnectionState = "new"),
            (this.connectionState = "new"),
            (this.iceGatheringState = "new"),
            (r = JSON.parse(JSON.stringify(r || {}))),
            (this.usingBundle = "max-bundle" === r.bundlePolicy),
            "negotiate" === r.rtcpMuxPolicy)
          )
            throw d(
              "NotSupportedError",
              "rtcpMuxPolicy 'negotiate' is not supported"
            );
          switch (
            (r.rtcpMuxPolicy || (r.rtcpMuxPolicy = "require"),
            r.iceTransportPolicy)
          ) {
            case "all":
            case "relay":
              break;
            default:
              r.iceTransportPolicy = "all";
          }
          switch (r.bundlePolicy) {
            case "balanced":
            case "max-compat":
            case "max-bundle":
              break;
            default:
              r.bundlePolicy = "balanced";
          }
          if (
            ((r.iceServers = a(r.iceServers || [], t)),
            (this._iceGatherers = []),
            r.iceCandidatePoolSize)
          )
            for (var i = r.iceCandidatePoolSize; i > 0; i--)
              this._iceGatherers.push(
                new e.RTCIceGatherer({
                  iceServers: r.iceServers,
                  gatherPolicy: r.iceTransportPolicy
                })
              );
          else r.iceCandidatePoolSize = 0;
          (this._config = r),
            (this.transceivers = []),
            (this._sdpSessionId = u.generateSessionId()),
            (this._sdpSessionVersion = 0),
            (this._dtlsRole = void 0),
            (this._isClosed = !1);
        };
        Object.defineProperty(p.prototype, "localDescription", {
          configurable: !0,
          get: function() {
            return this._localDescription;
          }
        }),
          Object.defineProperty(p.prototype, "remoteDescription", {
            configurable: !0,
            get: function() {
              return this._remoteDescription;
            }
          }),
          (p.prototype.onicecandidate = null),
          (p.prototype.onaddstream = null),
          (p.prototype.ontrack = null),
          (p.prototype.onremovestream = null),
          (p.prototype.onsignalingstatechange = null),
          (p.prototype.oniceconnectionstatechange = null),
          (p.prototype.onconnectionstatechange = null),
          (p.prototype.onicegatheringstatechange = null),
          (p.prototype.onnegotiationneeded = null),
          (p.prototype.ondatachannel = null),
          (p.prototype._dispatchEvent = function(e, t) {
            this._isClosed ||
              (this.dispatchEvent(t),
              "function" == typeof this["on" + e] && this["on" + e](t));
          }),
          (p.prototype._emitGatheringStateChange = function() {
            var e = new Event("icegatheringstatechange");
            this._dispatchEvent("icegatheringstatechange", e);
          }),
          (p.prototype.getConfiguration = function() {
            return this._config;
          }),
          (p.prototype.getLocalStreams = function() {
            return this.localStreams;
          }),
          (p.prototype.getRemoteStreams = function() {
            return this.remoteStreams;
          }),
          (p.prototype._createTransceiver = function(e, t) {
            var r = this.transceivers.length > 0,
              o = {
                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,
                associatedRemoteMediaStreams: [],
                wantReceive: !0
              };
            if (this.usingBundle && r)
              (o.iceTransport = this.transceivers[0].iceTransport),
                (o.dtlsTransport = this.transceivers[0].dtlsTransport);
            else {
              var n = this._createIceAndDtlsTransports();
              (o.iceTransport = n.iceTransport),
                (o.dtlsTransport = n.dtlsTransport);
            }
            return t || this.transceivers.push(o), o;
          }),
          (p.prototype.addTrack = function(t, r) {
            if (this._isClosed)
              throw d(
                "InvalidStateError",
                "Attempted to call addTrack on a closed peerconnection."
              );
            if (
              this.transceivers.find(function(e) {
                return e.track === t;
              })
            )
              throw d("InvalidAccessError", "Track already exists.");
            for (var o, n = 0; n < this.transceivers.length; n++)
              this.transceivers[n].track ||
                this.transceivers[n].kind !== t.kind ||
                (o = this.transceivers[n]);
            return (
              o || (o = this._createTransceiver(t.kind)),
              this._maybeFireNegotiationNeeded(),
              -1 === this.localStreams.indexOf(r) && this.localStreams.push(r),
              (o.track = t),
              (o.stream = r),
              (o.rtpSender = new e.RTCRtpSender(t, o.dtlsTransport)),
              o.rtpSender
            );
          }),
          (p.prototype.addStream = function(e) {
            var r = this;
            if (t >= 15025)
              e.getTracks().forEach(function(t) {
                r.addTrack(t, e);
              });
            else {
              var o = e.clone();
              e.getTracks().forEach(function(e, t) {
                var r = o.getTracks()[t];
                e.addEventListener("enabled", function(e) {
                  r.enabled = e.enabled;
                });
              }),
                o.getTracks().forEach(function(e) {
                  r.addTrack(e, o);
                });
            }
          }),
          (p.prototype.removeTrack = function(t) {
            if (this._isClosed)
              throw d(
                "InvalidStateError",
                "Attempted to call removeTrack on a closed peerconnection."
              );
            if (!(t instanceof e.RTCRtpSender))
              throw new TypeError(
                "Argument 1 of RTCPeerConnection.removeTrack does not implement interface RTCRtpSender."
              );
            var r = this.transceivers.find(function(e) {
              return e.rtpSender === t;
            });
            if (!r)
              throw d(
                "InvalidAccessError",
                "Sender was not created by this connection."
              );
            var o = r.stream;
            r.rtpSender.stop(),
              (r.rtpSender = null),
              (r.track = null),
              (r.stream = null),
              -1 ===
                this.transceivers
                  .map(function(e) {
                    return e.stream;
                  })
                  .indexOf(o) &&
                this.localStreams.indexOf(o) > -1 &&
                this.localStreams.splice(this.localStreams.indexOf(o), 1),
              this._maybeFireNegotiationNeeded();
          }),
          (p.prototype.removeStream = function(e) {
            var t = this;
            e.getTracks().forEach(function(e) {
              var r = t.getSenders().find(function(t) {
                return t.track === e;
              });
              r && t.removeTrack(r);
            });
          }),
          (p.prototype.getSenders = function() {
            return this.transceivers
              .filter(function(e) {
                return !!e.rtpSender;
              })
              .map(function(e) {
                return e.rtpSender;
              });
          }),
          (p.prototype.getReceivers = function() {
            return this.transceivers
              .filter(function(e) {
                return !!e.rtpReceiver;
              })
              .map(function(e) {
                return e.rtpReceiver;
              });
          }),
          (p.prototype._createIceGatherer = function(t, r) {
            var o = this;
            if (r && t > 0) return this.transceivers[0].iceGatherer;
            if (this._iceGatherers.length) return this._iceGatherers.shift();
            var n = new e.RTCIceGatherer({
              iceServers: this._config.iceServers,
              gatherPolicy: this._config.iceTransportPolicy
            });
            return (
              Object.defineProperty(n, "state", { value: "new", writable: !0 }),
              (this.transceivers[t].bufferedCandidateEvents = []),
              (this.transceivers[t].bufferCandidates = function(e) {
                var r = !e.candidate || 0 === Object.keys(e.candidate).length;
                (n.state = r ? "completed" : "gathering"),
                  null !== o.transceivers[t].bufferedCandidateEvents &&
                    o.transceivers[t].bufferedCandidateEvents.push(e);
              }),
              n.addEventListener(
                "localcandidate",
                this.transceivers[t].bufferCandidates
              ),
              n
            );
          }),
          (p.prototype._gather = function(t, r) {
            var o = this,
              n = this.transceivers[r].iceGatherer;
            if (!n.onlocalcandidate) {
              var a = this.transceivers[r].bufferedCandidateEvents;
              (this.transceivers[r].bufferedCandidateEvents = null),
                n.removeEventListener(
                  "localcandidate",
                  this.transceivers[r].bufferCandidates
                ),
                (n.onlocalcandidate = function(e) {
                  if (!(o.usingBundle && r > 0)) {
                    var a = new Event("icecandidate");
                    a.candidate = { sdpMid: t, sdpMLineIndex: r };
                    var i = e.candidate,
                      c = !i || 0 === Object.keys(i).length;
                    if (c)
                      ("new" !== n.state && "gathering" !== n.state) ||
                        (n.state = "completed");
                    else {
                      "new" === n.state && (n.state = "gathering"),
                        (i.component = 1),
                        (i.ufrag = n.getLocalParameters().usernameFragment);
                      var s = u.writeCandidate(i);
                      (a.candidate = Object.assign(
                        a.candidate,
                        u.parseCandidate(s)
                      )),
                        (a.candidate.candidate = s),
                        (a.candidate.toJSON = function() {
                          return {
                            candidate: a.candidate.candidate,
                            sdpMid: a.candidate.sdpMid,
                            sdpMLineIndex: a.candidate.sdpMLineIndex,
                            usernameFragment: a.candidate.usernameFragment
                          };
                        });
                    }
                    var d = u.getMediaSections(o._localDescription.sdp);
                    (d[a.candidate.sdpMLineIndex] += c
                      ? "a=end-of-candidates\r\n"
                      : "a=" + a.candidate.candidate + "\r\n"),
                      (o._localDescription.sdp =
                        u.getDescription(o._localDescription.sdp) + d.join(""));
                    var l = o.transceivers.every(function(e) {
                      return e.iceGatherer && "completed" === e.iceGatherer.state;
                    });
                    "gathering" !== o.iceGatheringState &&
                      ((o.iceGatheringState = "gathering"),
                      o._emitGatheringStateChange()),
                      c || o._dispatchEvent("icecandidate", a),
                      l &&
                        (o._dispatchEvent(
                          "icecandidate",
                          new Event("icecandidate")
                        ),
                        (o.iceGatheringState = "complete"),
                        o._emitGatheringStateChange());
                  }
                }),
                e.setTimeout(function() {
                  a.forEach(function(e) {
                    n.onlocalcandidate(e);
                  });
                }, 0);
            }
          }),
          (p.prototype._createIceAndDtlsTransports = function() {
            var t = this,
              r = new e.RTCIceTransport(null);
            r.onicestatechange = function() {
              t._updateIceConnectionState(), t._updateConnectionState();
            };
            var o = new e.RTCDtlsTransport(r);
            return (
              (o.ondtlsstatechange = function() {
                t._updateConnectionState();
              }),
              (o.onerror = function() {
                Object.defineProperty(o, "state", {
                  value: "failed",
                  writable: !0
                }),
                  t._updateConnectionState();
              }),
              { iceTransport: r, dtlsTransport: o }
            );
          }),
          (p.prototype._disposeIceAndDtlsTransports = function(e) {
            var t = this.transceivers[e].iceGatherer;
            t &&
              (delete t.onlocalcandidate,
              delete this.transceivers[e].iceGatherer);
            var r = this.transceivers[e].iceTransport;
            r &&
              (delete r.onicestatechange,
              delete this.transceivers[e].iceTransport);
            var o = this.transceivers[e].dtlsTransport;
            o &&
              (delete o.ondtlsstatechange,
              delete o.onerror,
              delete this.transceivers[e].dtlsTransport);
          }),
          (p.prototype._transceive = function(e, r, o) {
            var n = i(e.localCapabilities, e.remoteCapabilities);
            r &&
              e.rtpSender &&
              ((n.encodings = e.sendEncodingParameters),
              (n.rtcp = {
                cname: u.localCName,
                compound: e.rtcpParameters.compound
              }),
              e.recvEncodingParameters.length &&
                (n.rtcp.ssrc = e.recvEncodingParameters[0].ssrc),
              e.rtpSender.send(n)),
              o &&
                e.rtpReceiver &&
                n.codecs.length > 0 &&
                ("video" === e.kind &&
                  e.recvEncodingParameters &&
                  t < 15019 &&
                  e.recvEncodingParameters.forEach(function(e) {
                    delete e.rtx;
                  }),
                e.recvEncodingParameters.length
                  ? (n.encodings = e.recvEncodingParameters)
                  : (n.encodings = [{}]),
                (n.rtcp = { compound: e.rtcpParameters.compound }),
                e.rtcpParameters.cname && (n.rtcp.cname = e.rtcpParameters.cname),
                e.sendEncodingParameters.length &&
                  (n.rtcp.ssrc = e.sendEncodingParameters[0].ssrc),
                e.rtpReceiver.receive(n));
          }),
          (p.prototype.setLocalDescription = function(e) {
            var t = this;
            if (-1 === ["offer", "answer"].indexOf(e.type))
              return Promise.reject(
                d("TypeError", 'Unsupported type "' + e.type + '"')
              );
            if (
              !c("setLocalDescription", e.type, t.signalingState) ||
              t._isClosed
            )
              return Promise.reject(
                d(
                  "InvalidStateError",
                  "Can not set local " + e.type + " in state " + t.signalingState
                )
              );
            var r, o;
            if ("offer" === e.type)
              (r = u.splitSections(e.sdp)),
                (o = r.shift()),
                r.forEach(function(e, r) {
                  var o = u.parseRtpParameters(e);
                  t.transceivers[r].localCapabilities = o;
                }),
                t.transceivers.forEach(function(e, r) {
                  t._gather(e.mid, r);
                });
            else if ("answer" === e.type) {
              (r = u.splitSections(t._remoteDescription.sdp)), (o = r.shift());
              var n = u.matchPrefix(o, "a=ice-lite").length > 0;
              r.forEach(function(e, r) {
                var a = t.transceivers[r],
                  c = a.iceGatherer,
                  s = a.iceTransport,
                  d = a.dtlsTransport,
                  l = a.localCapabilities,
                  f = a.remoteCapabilities;
                if (
                  !(
                    (u.isRejected(e) &&
                      0 === u.matchPrefix(e, "a=bundle-only").length) ||
                    a.rejected
                  )
                ) {
                  var p = u.getIceParameters(e, o),
                    m = u.getDtlsParameters(e, o);
                  n && (m.role = "server"),
                    (t.usingBundle && 0 !== r) ||
                      (t._gather(a.mid, r),
                      "new" === s.state &&
                        s.start(c, p, n ? "controlling" : "controlled"),
                      "new" === d.state && d.start(m));
                  var v = i(l, f);
                  t._transceive(a, v.codecs.length > 0, !1);
                }
              });
            }
            return (
              (t._localDescription = { type: e.type, sdp: e.sdp }),
              "offer" === e.type
                ? t._updateSignalingState("have-local-offer")
                : t._updateSignalingState("stable"),
              Promise.resolve()
            );
          }),
          (p.prototype.setRemoteDescription = function(o) {
            var n = this;
            if (-1 === ["offer", "answer"].indexOf(o.type))
              return Promise.reject(
                d("TypeError", 'Unsupported type "' + o.type + '"')
              );
            if (
              !c("setRemoteDescription", o.type, n.signalingState) ||
              n._isClosed
            )
              return Promise.reject(
                d(
                  "InvalidStateError",
                  "Can not set remote " + o.type + " in state " + n.signalingState
                )
              );
            var a = {};
            n.remoteStreams.forEach(function(e) {
              a[e.id] = e;
            });
            var p = [],
              m = u.splitSections(o.sdp),
              v = m.shift(),
              h = u.matchPrefix(v, "a=ice-lite").length > 0,
              k = u.matchPrefix(v, "a=group:BUNDLE ").length > 0;
            n.usingBundle = k;
            var C = u.matchPrefix(v, "a=ice-options:")[0];
            return (
              (n.canTrickleIceCandidates =
                !!C &&
                C.substr(14)
                  .split(" ")
                  .indexOf("trickle") >= 0),
              m.forEach(function(c, d) {
                var f = u.splitLines(c),
                  m = u.getKind(c),
                  C =
                    u.isRejected(c) &&
                    0 === u.matchPrefix(c, "a=bundle-only").length,
                  y = f[0].substr(2).split(" ")[2],
                  g = u.getDirection(c, v),
                  B = u.parseMsid(c),
                  P = u.getMid(c) || u.generateIdentifier();
                if (
                  C ||
                  ("application" === m &&
                    ("DTLS/SCTP" === y || "UDP/DTLS/SCTP" === y))
                )
                  return void (n.transceivers[d] = {
                    mid: P,
                    kind: m,
                    protocol: y,
                    rejected: !0
                  });
                !C &&
                  n.transceivers[d] &&
                  n.transceivers[d].rejected &&
                  (n.transceivers[d] = n._createTransceiver(m, !0));
                var w,
                  b,
                  S,
                  T,
                  x,
                  R,
                  E,
                  _,
                  M,
                  O,
                  L,
                  j = u.parseRtpParameters(c);
                C ||
                  ((O = u.getIceParameters(c, v)),
                  (L = u.getDtlsParameters(c, v)),
                  (L.role = "client")),
                  (E = u.parseRtpEncodingParameters(c));
                var I = u.parseRtcpParameters(c),
                  D = u.matchPrefix(c, "a=end-of-candidates", v).length > 0,
                  N = u
                    .matchPrefix(c, "a=candidate:")
                    .map(function(e) {
                      return u.parseCandidate(e);
                    })
                    .filter(function(e) {
                      return 1 === e.component;
                    });
                if (
                  (("offer" === o.type || "answer" === o.type) &&
                    !C &&
                    k &&
                    d > 0 &&
                    n.transceivers[d] &&
                    (n._disposeIceAndDtlsTransports(d),
                    (n.transceivers[d].iceGatherer =
                      n.transceivers[0].iceGatherer),
                    (n.transceivers[d].iceTransport =
                      n.transceivers[0].iceTransport),
                    (n.transceivers[d].dtlsTransport =
                      n.transceivers[0].dtlsTransport),
                    n.transceivers[d].rtpSender &&
                      n.transceivers[d].rtpSender.setTransport(
                        n.transceivers[0].dtlsTransport
                      ),
                    n.transceivers[d].rtpReceiver &&
                      n.transceivers[d].rtpReceiver.setTransport(
                        n.transceivers[0].dtlsTransport
                      )),
                  "offer" !== o.type || C)
                ) {
                  if ("answer" === o.type && !C) {
                    (w = n.transceivers[d]),
                      (b = w.iceGatherer),
                      (S = w.iceTransport),
                      (T = w.dtlsTransport),
                      (x = w.rtpReceiver),
                      (R = w.sendEncodingParameters),
                      (_ = w.localCapabilities),
                      (n.transceivers[d].recvEncodingParameters = E),
                      (n.transceivers[d].remoteCapabilities = j),
                      (n.transceivers[d].rtcpParameters = I),
                      N.length &&
                        "new" === S.state &&
                        ((!h && !D) || (k && 0 !== d)
                          ? N.forEach(function(e) {
                              s(w.iceTransport, e);
                            })
                          : S.setRemoteCandidates(N)),
                      (k && 0 !== d) ||
                        ("new" === S.state && S.start(b, O, "controlling"),
                        "new" === T.state && T.start(L));
                    var A = i(w.localCapabilities, w.remoteCapabilities),
                      F = A.codecs.filter(function(e) {
                        return "rtx" === e.name.toLowerCase();
                      }).length;
                    !F &&
                      w.sendEncodingParameters[0].rtx &&
                      delete w.sendEncodingParameters[0].rtx,
                      n._transceive(
                        w,
                        "sendrecv" === g || "recvonly" === g,
                        "sendrecv" === g || "sendonly" === g
                      ),
                      !x || ("sendrecv" !== g && "sendonly" !== g)
                        ? delete w.rtpReceiver
                        : ((M = x.track),
                          B
                            ? (a[B.stream] || (a[B.stream] = new e.MediaStream()),
                              r(M, a[B.stream]),
                              p.push([M, x, a[B.stream]]))
                            : (a.default || (a.default = new e.MediaStream()),
                              r(M, a.default),
                              p.push([M, x, a.default])));
                  }
                } else {
                  (w = n.transceivers[d] || n._createTransceiver(m)),
                    (w.mid = P),
                    w.iceGatherer || (w.iceGatherer = n._createIceGatherer(d, k)),
                    N.length &&
                      "new" === w.iceTransport.state &&
                      (!D || (k && 0 !== d)
                        ? N.forEach(function(e) {
                            s(w.iceTransport, e);
                          })
                        : w.iceTransport.setRemoteCandidates(N)),
                    (_ = e.RTCRtpReceiver.getCapabilities(m)),
                    t < 15019 &&
                      (_.codecs = _.codecs.filter(function(e) {
                        return "rtx" !== e.name;
                      })),
                    (R = w.sendEncodingParameters || [
                      { ssrc: 1001 * (2 * d + 2) }
                    ]);
                  var U = !1;
                  if ("sendrecv" === g || "sendonly" === g) {
                    if (
                      ((U = !w.rtpReceiver),
                      (x =
                        w.rtpReceiver ||
                        new e.RTCRtpReceiver(w.dtlsTransport, m)),
                      U)
                    ) {
                      var G;
                      (M = x.track),
                        (B && "-" === B.stream) ||
                          (B
                            ? (a[B.stream] ||
                                ((a[B.stream] = new e.MediaStream()),
                                Object.defineProperty(a[B.stream], "id", {
                                  get: function() {
                                    return B.stream;
                                  }
                                })),
                              Object.defineProperty(M, "id", {
                                get: function() {
                                  return B.track;
                                }
                              }),
                              (G = a[B.stream]))
                            : (a.default || (a.default = new e.MediaStream()),
                              (G = a.default))),
                        G && (r(M, G), w.associatedRemoteMediaStreams.push(G)),
                        p.push([M, x, G]);
                    }
                  } else
                    w.rtpReceiver &&
                      w.rtpReceiver.track &&
                      (w.associatedRemoteMediaStreams.forEach(function(e) {
                        var t = e.getTracks().find(function(e) {
                          return e.id === w.rtpReceiver.track.id;
                        });
                        t && l(t, e);
                      }),
                      (w.associatedRemoteMediaStreams = []));
                  (w.localCapabilities = _),
                    (w.remoteCapabilities = j),
                    (w.rtpReceiver = x),
                    (w.rtcpParameters = I),
                    (w.sendEncodingParameters = R),
                    (w.recvEncodingParameters = E),
                    n._transceive(n.transceivers[d], !1, U);
                }
              }),
              void 0 === n._dtlsRole &&
                (n._dtlsRole = "offer" === o.type ? "active" : "passive"),
              (n._remoteDescription = { type: o.type, sdp: o.sdp }),
              "offer" === o.type
                ? n._updateSignalingState("have-remote-offer")
                : n._updateSignalingState("stable"),
              Object.keys(a).forEach(function(t) {
                var r = a[t];
                if (r.getTracks().length) {
                  if (-1 === n.remoteStreams.indexOf(r)) {
                    n.remoteStreams.push(r);
                    var o = new Event("addstream");
                    (o.stream = r),
                      e.setTimeout(function() {
                        n._dispatchEvent("addstream", o);
                      });
                  }
                  p.forEach(function(e) {
                    var t = e[0],
                      o = e[1];
                    r.id === e[2].id && f(n, t, o, [r]);
                  });
                }
              }),
              p.forEach(function(e) {
                e[2] || f(n, e[0], e[1], []);
              }),
              e.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),
              Promise.resolve()
            );
          }),
          (p.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._isClosed = !0),
              this._updateSignalingState("closed");
          }),
          (p.prototype._updateSignalingState = function(e) {
            this.signalingState = e;
            var t = new Event("signalingstatechange");
            this._dispatchEvent("signalingstatechange", t);
          }),
          (p.prototype._maybeFireNegotiationNeeded = function() {
            var t = this;
            "stable" === this.signalingState &&
              !0 !== this.needNegotiation &&
              ((this.needNegotiation = !0),
              e.setTimeout(function() {
                if (t.needNegotiation) {
                  t.needNegotiation = !1;
                  var e = new Event("negotiationneeded");
                  t._dispatchEvent("negotiationneeded", e);
                }
              }, 0));
          }),
          (p.prototype._updateIceConnectionState = function() {
            var e,
              t = {
                new: 0,
                closed: 0,
                checking: 0,
                connected: 0,
                completed: 0,
                disconnected: 0,
                failed: 0
              };
            if (
              (this.transceivers.forEach(function(e) {
                e.iceTransport && !e.rejected && t[e.iceTransport.state]++;
              }),
              (e = "new"),
              t.failed > 0
                ? (e = "failed")
                : t.checking > 0
                ? (e = "checking")
                : t.disconnected > 0
                ? (e = "disconnected")
                : t.new > 0
                ? (e = "new")
                : t.connected > 0
                ? (e = "connected")
                : t.completed > 0 && (e = "completed"),
              e !== this.iceConnectionState)
            ) {
              this.iceConnectionState = e;
              var r = new Event("iceconnectionstatechange");
              this._dispatchEvent("iceconnectionstatechange", r);
            }
          }),
          (p.prototype._updateConnectionState = function() {
            var e,
              t = {
                new: 0,
                closed: 0,
                connecting: 0,
                connected: 0,
                completed: 0,
                disconnected: 0,
                failed: 0
              };
            if (
              (this.transceivers.forEach(function(e) {
                e.iceTransport &&
                  e.dtlsTransport &&
                  !e.rejected &&
                  (t[e.iceTransport.state]++, t[e.dtlsTransport.state]++);
              }),
              (t.connected += t.completed),
              (e = "new"),
              t.failed > 0
                ? (e = "failed")
                : t.connecting > 0
                ? (e = "connecting")
                : t.disconnected > 0
                ? (e = "disconnected")
                : t.new > 0
                ? (e = "new")
                : t.connected > 0 && (e = "connected"),
              e !== this.connectionState)
            ) {
              this.connectionState = e;
              var r = new Event("connectionstatechange");
              this._dispatchEvent("connectionstatechange", r);
            }
          }),
          (p.prototype.createOffer = function() {
            var r = this;
            if (r._isClosed)
              return Promise.reject(
                d("InvalidStateError", "Can not call createOffer after close")
              );
            var o = r.transceivers.filter(function(e) {
                return "audio" === e.kind;
              }).length,
              a = r.transceivers.filter(function(e) {
                return "video" === e.kind;
              }).length,
              i = arguments[0];
            if (i) {
              if (i.mandatory || i.optional)
                throw new TypeError(
                  "Legacy mandatory/optional constraints not supported."
                );
              void 0 !== i.offerToReceiveAudio &&
                (o =
                  !0 === i.offerToReceiveAudio
                    ? 1
                    : !1 === i.offerToReceiveAudio
                    ? 0
                    : i.offerToReceiveAudio),
                void 0 !== i.offerToReceiveVideo &&
                  (a =
                    !0 === i.offerToReceiveVideo
                      ? 1
                      : !1 === i.offerToReceiveVideo
                      ? 0
                      : i.offerToReceiveVideo);
            }
            for (
              r.transceivers.forEach(function(e) {
                "audio" === e.kind
                  ? --o < 0 && (e.wantReceive = !1)
                  : "video" === e.kind && --a < 0 && (e.wantReceive = !1);
              });
              o > 0 || a > 0;
  
            )
              o > 0 && (r._createTransceiver("audio"), o--),
                a > 0 && (r._createTransceiver("video"), a--);
            var c = u.writeSessionBoilerplate(
              r._sdpSessionId,
              r._sdpSessionVersion++
            );
            r.transceivers.forEach(function(o, n) {
              var a = o.track,
                i = o.kind,
                c = o.mid || u.generateIdentifier();
              (o.mid = c),
                o.iceGatherer ||
                  (o.iceGatherer = r._createIceGatherer(n, r.usingBundle));
              var s = e.RTCRtpSender.getCapabilities(i);
              t < 15019 &&
                (s.codecs = s.codecs.filter(function(e) {
                  return "rtx" !== e.name;
                })),
                s.codecs.forEach(function(e) {
                  "H264" === e.name &&
                    void 0 === e.parameters["level-asymmetry-allowed"] &&
                    (e.parameters["level-asymmetry-allowed"] = "1"),
                    o.remoteCapabilities &&
                      o.remoteCapabilities.codecs &&
                      o.remoteCapabilities.codecs.forEach(function(t) {
                        e.name.toLowerCase() === t.name.toLowerCase() &&
                          e.clockRate === t.clockRate &&
                          (e.preferredPayloadType = t.payloadType);
                      });
                }),
                s.headerExtensions.forEach(function(e) {
                  (
                    (o.remoteCapabilities &&
                      o.remoteCapabilities.headerExtensions) ||
                    []
                  ).forEach(function(t) {
                    e.uri === t.uri && (e.id = t.id);
                  });
                });
              var d = o.sendEncodingParameters || [{ ssrc: 1001 * (2 * n + 1) }];
              a &&
                t >= 15019 &&
                "video" === i &&
                !d[0].rtx &&
                (d[0].rtx = { ssrc: d[0].ssrc + 1 }),
                o.wantReceive &&
                  (o.rtpReceiver = new e.RTCRtpReceiver(o.dtlsTransport, i)),
                (o.localCapabilities = s),
                (o.sendEncodingParameters = d);
            }),
              "max-compat" !== r._config.bundlePolicy &&
                (c +=
                  "a=group:BUNDLE " +
                  r.transceivers
                    .map(function(e) {
                      return e.mid;
                    })
                    .join(" ") +
                  "\r\n"),
              (c += "a=ice-options:trickle\r\n"),
              r.transceivers.forEach(function(e, t) {
                (c += n(e, e.localCapabilities, "offer", e.stream, r._dtlsRole)),
                  (c += "a=rtcp-rsize\r\n"),
                  !e.iceGatherer ||
                    "new" === r.iceGatheringState ||
                    (0 !== t && r.usingBundle) ||
                    (e.iceGatherer.getLocalCandidates().forEach(function(e) {
                      (e.component = 1),
                        (c += "a=" + u.writeCandidate(e) + "\r\n");
                    }),
                    "completed" === e.iceGatherer.state &&
                      (c += "a=end-of-candidates\r\n"));
              });
            var s = new e.RTCSessionDescription({ type: "offer", sdp: c });
            return Promise.resolve(s);
          }),
          (p.prototype.createAnswer = function() {
            var r = this;
            if (r._isClosed)
              return Promise.reject(
                d("InvalidStateError", "Can not call createAnswer after close")
              );
            if (
              "have-remote-offer" !== r.signalingState &&
              "have-local-pranswer" !== r.signalingState
            )
              return Promise.reject(
                d(
                  "InvalidStateError",
                  "Can not call createAnswer in signalingState " +
                    r.signalingState
                )
              );
            var o = u.writeSessionBoilerplate(
              r._sdpSessionId,
              r._sdpSessionVersion++
            );
            r.usingBundle &&
              (o +=
                "a=group:BUNDLE " +
                r.transceivers
                  .map(function(e) {
                    return e.mid;
                  })
                  .join(" ") +
                "\r\n"),
              (o += "a=ice-options:trickle\r\n");
            var a = u.getMediaSections(r._remoteDescription.sdp).length;
            r.transceivers.forEach(function(e, c) {
              if (!(c + 1 > a)) {
                if (e.rejected)
                  return (
                    "application" === e.kind
                      ? "DTLS/SCTP" === e.protocol
                        ? (o += "m=application 0 DTLS/SCTP 5000\r\n")
                        : (o +=
                            "m=application 0 " +
                            e.protocol +
                            " webrtc-datachannel\r\n")
                      : "audio" === e.kind
                      ? (o +=
                          "m=audio 0 UDP/TLS/RTP/SAVPF 0\r\na=rtpmap:0 PCMU/8000\r\n")
                      : "video" === e.kind &&
                        (o +=
                          "m=video 0 UDP/TLS/RTP/SAVPF 120\r\na=rtpmap:120 VP8/90000\r\n"),
                    void (o +=
                      "c=IN IP4 0.0.0.0\r\na=inactive\r\na=mid:" + e.mid + "\r\n")
                  );
                if (e.stream) {
                  var s;
                  "audio" === e.kind
                    ? (s = e.stream.getAudioTracks()[0])
                    : "video" === e.kind && (s = e.stream.getVideoTracks()[0]),
                    s &&
                      t >= 15019 &&
                      "video" === e.kind &&
                      !e.sendEncodingParameters[0].rtx &&
                      (e.sendEncodingParameters[0].rtx = {
                        ssrc: e.sendEncodingParameters[0].ssrc + 1
                      });
                }
                var d = i(e.localCapabilities, e.remoteCapabilities);
                !d.codecs.filter(function(e) {
                  return "rtx" === e.name.toLowerCase();
                }).length &&
                  e.sendEncodingParameters[0].rtx &&
                  delete e.sendEncodingParameters[0].rtx,
                  (o += n(e, d, "answer", e.stream, r._dtlsRole)),
                  e.rtcpParameters &&
                    e.rtcpParameters.reducedSize &&
                    (o += "a=rtcp-rsize\r\n");
              }
            });
            var c = new e.RTCSessionDescription({ type: "answer", sdp: o });
            return Promise.resolve(c);
          }),
          (p.prototype.addIceCandidate = function(e) {
            var t,
              r = this;
            return e && void 0 === e.sdpMLineIndex && !e.sdpMid
              ? Promise.reject(new TypeError("sdpMLineIndex or sdpMid required"))
              : new Promise(function(o, n) {
                  if (!r._remoteDescription)
                    return n(
                      d(
                        "InvalidStateError",
                        "Can not add ICE candidate without a remote description"
                      )
                    );
                  if (e && "" !== e.candidate) {
                    var a = e.sdpMLineIndex;
                    if (e.sdpMid)
                      for (var i = 0; i < r.transceivers.length; i++)
                        if (r.transceivers[i].mid === e.sdpMid) {
                          a = i;
                          break;
                        }
                    var c = r.transceivers[a];
                    if (!c)
                      return n(d("OperationError", "Can not add ICE candidate"));
                    if (c.rejected) return o();
                    var l =
                      Object.keys(e.candidate).length > 0
                        ? u.parseCandidate(e.candidate)
                        : {};
                    if ("tcp" === l.protocol && (0 === l.port || 9 === l.port))
                      return o();
                    if (l.component && 1 !== l.component) return o();
                    if (
                      (0 === a ||
                        (a > 0 &&
                          c.iceTransport !== r.transceivers[0].iceTransport)) &&
                      !s(c.iceTransport, l)
                    )
                      return n(d("OperationError", "Can not add ICE candidate"));
                    var f = e.candidate.trim();
                    0 === f.indexOf("a=") && (f = f.substr(2)),
                      (t = u.getMediaSections(r._remoteDescription.sdp)),
                      (t[a] +=
                        "a=" + (l.type ? f : "end-of-candidates") + "\r\n"),
                      (r._remoteDescription.sdp =
                        u.getDescription(r._remoteDescription.sdp) + t.join(""));
                  } else for (var p = 0; p < r.transceivers.length && (r.transceivers[p].rejected || (r.transceivers[p].iceTransport.addRemoteCandidate({}), (t = u.getMediaSections(r._remoteDescription.sdp)), (t[p] += "a=end-of-candidates\r\n"), (r._remoteDescription.sdp = u.getDescription(r._remoteDescription.sdp) + t.join("")), !r.usingBundle)); p++);
                  o();
                });
          }),
          (p.prototype.getStats = function(t) {
            if (t && t instanceof e.MediaStreamTrack) {
              var r = null;
              if (
                (this.transceivers.forEach(function(e) {
                  e.rtpSender && e.rtpSender.track === t
                    ? (r = e.rtpSender)
                    : e.rtpReceiver &&
                      e.rtpReceiver.track === t &&
                      (r = e.rtpReceiver);
                }),
                !r)
              )
                throw d("InvalidAccessError", "Invalid selector.");
              return r.getStats();
            }
            var o = [];
            return (
              this.transceivers.forEach(function(e) {
                [
                  "rtpSender",
                  "rtpReceiver",
                  "iceGatherer",
                  "iceTransport",
                  "dtlsTransport"
                ].forEach(function(t) {
                  e[t] && o.push(e[t].getStats());
                });
              }),
              Promise.all(o).then(function(e) {
                var t = new Map();
                return (
                  e.forEach(function(e) {
                    e.forEach(function(e) {
                      t.set(e.id, e);
                    });
                  }),
                  t
                );
              })
            );
          }),
          [
            "RTCRtpSender",
            "RTCRtpReceiver",
            "RTCIceGatherer",
            "RTCIceTransport",
            "RTCDtlsTransport"
          ].forEach(function(t) {
            var r = e[t];
            if (r && r.prototype && r.prototype.getStats) {
              var n = r.prototype.getStats;
              r.prototype.getStats = function() {
                return n.apply(this).then(function(e) {
                  var t = new Map();
                  return (
                    Object.keys(e).forEach(function(r) {
                      (e[r].type = o(e[r])), t.set(r, e[r]);
                    }),
                    t
                  );
                });
              };
            }
          });
        var m = ["createOffer", "createAnswer"];
        return (
          m.forEach(function(e) {
            var t = p.prototype[e];
            p.prototype[e] = function() {
              var e = arguments;
              return "function" == typeof e[0] || "function" == typeof e[1]
                ? t.apply(this, [arguments[2]]).then(
                    function(t) {
                      "function" == typeof e[0] && e[0].apply(null, [t]);
                    },
                    function(t) {
                      "function" == typeof e[1] && e[1].apply(null, [t]);
                    }
                  )
                : t.apply(this, arguments);
            };
          }),
          (m = [
            "setLocalDescription",
            "setRemoteDescription",
            "addIceCandidate"
          ]),
          m.forEach(function(e) {
            var t = p.prototype[e];
            p.prototype[e] = function() {
              var e = arguments;
              return "function" == typeof e[1] || "function" == typeof e[2]
                ? t.apply(this, arguments).then(
                    function() {
                      "function" == typeof e[1] && e[1].apply(null);
                    },
                    function(t) {
                      "function" == typeof e[2] && e[2].apply(null, [t]);
                    }
                  )
                : t.apply(this, arguments);
            };
          }),
          ["getStats"].forEach(function(e) {
            var t = p.prototype[e];
            p.prototype[e] = function() {
              var e = arguments;
              return "function" == typeof e[1]
                ? t.apply(this, arguments).then(function() {
                    "function" == typeof e[1] && e[1].apply(null);
                  })
                : t.apply(this, arguments);
            };
          }),
          p
        );
      };
    },
    function(e, t, r) {
      "use strict";
      e.exports = function(e) {
        var t = e && e.navigator,
          r = function(e) {
            return {
              name:
                { PermissionDeniedError: "NotAllowedError" }[e.name] || e.name,
              message: e.message,
              constraint: e.constraint,
              toString: function() {
                return this.name;
              }
            };
          },
          o = t.mediaDevices.getUserMedia.bind(t.mediaDevices);
        t.mediaDevices.getUserMedia = function(e) {
          return o(e).catch(function(e) {
            return Promise.reject(r(e));
          });
        };
      };
    },
    function(e, t, r) {
      "use strict";
      var o = r(5);
      e.exports = {
        shimGetUserMedia: r(107),
        shimOnTrack: function(e) {
          "object" != typeof e ||
            !e.RTCPeerConnection ||
            "ontrack" in e.RTCPeerConnection.prototype ||
            Object.defineProperty(e.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 r = new Event("track");
                          (r.track = t),
                            (r.receiver = { track: t }),
                            (r.transceiver = { receiver: r.receiver }),
                            (r.streams = [e.stream]),
                            this.dispatchEvent(r);
                        }.bind(this)
                      );
                    }.bind(this))
                  );
              },
              enumerable: !0,
              configurable: !0
            }),
            "object" == typeof e &&
              e.RTCTrackEvent &&
              "receiver" in e.RTCTrackEvent.prototype &&
              !("transceiver" in e.RTCTrackEvent.prototype) &&
              Object.defineProperty(e.RTCTrackEvent.prototype, "transceiver", {
                get: function() {
                  return { receiver: this.receiver };
                }
              });
        },
        shimSourceObject: function(e) {
          "object" == typeof e &&
            (!e.HTMLMediaElement ||
              "srcObject" in e.HTMLMediaElement.prototype ||
              Object.defineProperty(e.HTMLMediaElement.prototype, "srcObject", {
                get: function() {
                  return this.mozSrcObject;
                },
                set: function(e) {
                  this.mozSrcObject = e;
                }
              }));
        },
        shimPeerConnection: function(e) {
          var t = o.detectBrowser(e);
          if (
            "object" == typeof e &&
            (e.RTCPeerConnection || e.mozRTCPeerConnection)
          ) {
            e.RTCPeerConnection ||
              ((e.RTCPeerConnection = function(r, o) {
                if (t.version < 38 && r && r.iceServers) {
                  for (var n = [], a = 0; a < r.iceServers.length; a++) {
                    var i = r.iceServers[a];
                    if (i.hasOwnProperty("urls"))
                      for (var c = 0; c < i.urls.length; c++) {
                        var s = { url: i.urls[c] };
                        0 === i.urls[c].indexOf("turn") &&
                          ((s.username = i.username),
                          (s.credential = i.credential)),
                          n.push(s);
                      }
                    else n.push(r.iceServers[a]);
                  }
                  r.iceServers = n;
                }
                return new e.mozRTCPeerConnection(r, o);
              }),
              (e.RTCPeerConnection.prototype = e.mozRTCPeerConnection.prototype),
              e.mozRTCPeerConnection.generateCertificate &&
                Object.defineProperty(
                  e.RTCPeerConnection,
                  "generateCertificate",
                  {
                    get: function() {
                      return e.mozRTCPeerConnection.generateCertificate;
                    }
                  }
                ),
              (e.RTCSessionDescription = e.mozRTCSessionDescription),
              (e.RTCIceCandidate = e.mozRTCIceCandidate)),
              [
                "setLocalDescription",
                "setRemoteDescription",
                "addIceCandidate"
              ].forEach(function(t) {
                var r = e.RTCPeerConnection.prototype[t];
                e.RTCPeerConnection.prototype[t] = function() {
                  return (
                    (arguments[0] = new ("addIceCandidate" === t
                      ? e.RTCIceCandidate
                      : e.RTCSessionDescription)(arguments[0])),
                    r.apply(this, arguments)
                  );
                };
              });
            var r = e.RTCPeerConnection.prototype.addIceCandidate;
            e.RTCPeerConnection.prototype.addIceCandidate = function() {
              return arguments[0]
                ? r.apply(this, arguments)
                : (arguments[1] && arguments[1].apply(null), Promise.resolve());
            };
            var n = function(e) {
                var t = new Map();
                return (
                  Object.keys(e).forEach(function(r) {
                    t.set(r, e[r]), (t[r] = e[r]);
                  }),
                  t
                );
              },
              a = {
                inboundrtp: "inbound-rtp",
                outboundrtp: "outbound-rtp",
                candidatepair: "candidate-pair",
                localcandidate: "local-candidate",
                remotecandidate: "remote-candidate"
              },
              i = e.RTCPeerConnection.prototype.getStats;
            e.RTCPeerConnection.prototype.getStats = function(e, r, o) {
              return i
                .apply(this, [e || null])
                .then(function(e) {
                  if ((t.version < 48 && (e = n(e)), t.version < 53 && !r))
                    try {
                      e.forEach(function(e) {
                        e.type = a[e.type] || e.type;
                      });
                    } catch (t) {
                      if ("TypeError" !== t.name) throw t;
                      e.forEach(function(t, r) {
                        e.set(
                          r,
                          Object.assign({}, t, { type: a[t.type] || t.type })
                        );
                      });
                    }
                  return e;
                })
                .then(r, o);
            };
          }
        },
        shimSenderGetStats: function(e) {
          if (
            "object" == typeof e &&
            e.RTCPeerConnection &&
            e.RTCRtpSender &&
            !(e.RTCRtpSender && "getStats" in e.RTCRtpSender.prototype)
          ) {
            var t = e.RTCPeerConnection.prototype.getSenders;
            t &&
              (e.RTCPeerConnection.prototype.getSenders = function() {
                var e = this,
                  r = t.apply(e, []);
                return (
                  r.forEach(function(t) {
                    t._pc = e;
                  }),
                  r
                );
              });
            var r = e.RTCPeerConnection.prototype.addTrack;
            r &&
              (e.RTCPeerConnection.prototype.addTrack = function() {
                var 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());
              });
          }
        },
        shimReceiverGetStats: function(e) {
          if (
            "object" == typeof e &&
            e.RTCPeerConnection &&
            e.RTCRtpSender &&
            !(e.RTCRtpSender && "getStats" in e.RTCRtpReceiver.prototype)
          ) {
            var t = e.RTCPeerConnection.prototype.getReceivers;
            t &&
              (e.RTCPeerConnection.prototype.getReceivers = function() {
                var e = this,
                  r = t.apply(e, []);
                return (
                  r.forEach(function(t) {
                    t._pc = e;
                  }),
                  r
                );
              }),
              o.wrapPeerConnectionEvent(e, "track", function(e) {
                return (e.receiver._pc = e.srcElement), e;
              }),
              (e.RTCRtpReceiver.prototype.getStats = function() {
                return this._pc.getStats(this.track);
              });
          }
        },
        shimRemoveStream: function(e) {
          !e.RTCPeerConnection ||
            "removeStream" in e.RTCPeerConnection.prototype ||
            (e.RTCPeerConnection.prototype.removeStream = function(e) {
              var t = this;
              o.deprecated("removeStream", "removeTrack"),
                this.getSenders().forEach(function(r) {
                  r.track &&
                    -1 !== e.getTracks().indexOf(r.track) &&
                    t.removeTrack(r);
                });
            });
        },
        shimRTCDataChannel: function(e) {
          e.DataChannel &&
            !e.RTCDataChannel &&
            (e.RTCDataChannel = e.DataChannel);
        },
        shimGetDisplayMedia: function(e, t) {
          !e.navigator ||
            !e.navigator.mediaDevices ||
            "getDisplayMedia" in e.navigator.mediaDevices ||
            ((e.navigator.mediaDevices.getDisplayMedia = function(r) {
              if (!r || !r.video) {
                var o = new DOMException(
                  "getDisplayMedia without video constraints is undefined"
                );
                return (
                  (o.name = "NotFoundError"), (o.code = 8), Promise.reject(o)
                );
              }
              return (
                !0 === r.video
                  ? (r.video = { mediaSource: t })
                  : (r.video.mediaSource = t),
                e.navigator.mediaDevices.getUserMedia(r)
              );
            }),
            (e.navigator.getDisplayMedia = function(t) {
              return (
                o.deprecated(
                  "navigator.getDisplayMedia",
                  "navigator.mediaDevices.getDisplayMedia"
                ),
                e.navigator.mediaDevices.getDisplayMedia(t)
              );
            }));
        }
      };
    },
    function(e, t, r) {
      "use strict";
      var o = r(5),
        n = o.log;
      e.exports = function(e) {
        var t = o.detectBrowser(e),
          r = e && e.navigator,
          a = e && e.MediaStreamTrack,
          i = 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;
              }
            };
          },
          c = function(e, o, a) {
            var c = function(e) {
              if ("object" != typeof e || e.require) return e;
              var t = [];
              return (
                Object.keys(e).forEach(function(r) {
                  if (
                    "require" !== r &&
                    "advanced" !== r &&
                    "mediaSource" !== r
                  ) {
                    var o = (e[r] =
                      "object" == typeof e[r] ? e[r] : { ideal: e[r] });
                    if (
                      ((void 0 === o.min &&
                        void 0 === o.max &&
                        void 0 === o.exact) ||
                        t.push(r),
                      void 0 !== o.exact &&
                        ("number" == typeof o.exact
                          ? (o.min = o.max = o.exact)
                          : (e[r] = o.exact),
                        delete o.exact),
                      void 0 !== o.ideal)
                    ) {
                      e.advanced = e.advanced || [];
                      var n = {};
                      "number" == typeof o.ideal
                        ? (n[r] = { min: o.ideal, max: o.ideal })
                        : (n[r] = o.ideal),
                        e.advanced.push(n),
                        delete o.ideal,
                        Object.keys(o).length || delete e[r];
                    }
                  }
                }),
                t.length && (e.require = t),
                e
              );
            };
            return (
              (e = JSON.parse(JSON.stringify(e))),
              t.version < 38 &&
                (n("spec: " + JSON.stringify(e)),
                e.audio && (e.audio = c(e.audio)),
                e.video && (e.video = c(e.video)),
                n("ff37: " + JSON.stringify(e))),
              r.mozGetUserMedia(e, o, function(e) {
                a(i(e));
              })
            );
          },
          s = function(e) {
            return new Promise(function(t, r) {
              c(e, t, r);
            });
          };
        if (
          (r.mediaDevices ||
            (r.mediaDevices = {
              getUserMedia: s,
              addEventListener: function() {},
              removeEventListener: function() {}
            }),
          (r.mediaDevices.enumerateDevices =
            r.mediaDevices.enumerateDevices ||
            function() {
              return new Promise(function(e) {
                e([
                  {
                    kind: "audioinput",
                    deviceId: "default",
                    label: "",
                    groupId: ""
                  },
                  {
                    kind: "videoinput",
                    deviceId: "default",
                    label: "",
                    groupId: ""
                  }
                ]);
              });
            }),
          t.version < 41)
        ) {
          var d = r.mediaDevices.enumerateDevices.bind(r.mediaDevices);
          r.mediaDevices.enumerateDevices = function() {
            return d().then(void 0, function(e) {
              if ("NotFoundError" === e.name) return [];
              throw e;
            });
          };
        }
        if (t.version < 49) {
          var u = r.mediaDevices.getUserMedia.bind(r.mediaDevices);
          r.mediaDevices.getUserMedia = function(e) {
            return u(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(
                    "The object can not be found here.",
                    "NotFoundError"
                  ));
                return t;
              },
              function(e) {
                return Promise.reject(i(e));
              }
            );
          };
        }
        if (
          !(
            t.version > 55 &&
            "autoGainControl" in r.mediaDevices.getSupportedConstraints()
          )
        ) {
          var l = function(e, t, r) {
              t in e && !(r in e) && ((e[r] = e[t]), delete e[t]);
            },
            f = r.mediaDevices.getUserMedia.bind(r.mediaDevices);
          if (
            ((r.mediaDevices.getUserMedia = function(e) {
              return (
                "object" == typeof e &&
                  "object" == typeof e.audio &&
                  ((e = JSON.parse(JSON.stringify(e))),
                  l(e.audio, "autoGainControl", "mozAutoGainControl"),
                  l(e.audio, "noiseSuppression", "mozNoiseSuppression")),
                f(e)
              );
            }),
            a && a.prototype.getSettings)
          ) {
            var p = a.prototype.getSettings;
            a.prototype.getSettings = function() {
              var e = p.apply(this, arguments);
              return (
                l(e, "mozAutoGainControl", "autoGainControl"),
                l(e, "mozNoiseSuppression", "noiseSuppression"),
                e
              );
            };
          }
          if (a && a.prototype.applyConstraints) {
            var m = a.prototype.applyConstraints;
            a.prototype.applyConstraints = function(e) {
              return (
                "audio" === this.kind &&
                  "object" == typeof e &&
                  ((e = JSON.parse(JSON.stringify(e))),
                  l(e, "autoGainControl", "mozAutoGainControl"),
                  l(e, "noiseSuppression", "mozNoiseSuppression")),
                m.apply(this, [e])
              );
            };
          }
        }
        r.getUserMedia = function(e, n, a) {
          if (t.version < 44) return c(e, n, a);
          o.deprecated(
            "navigator.getUserMedia",
            "navigator.mediaDevices.getUserMedia"
          ),
            r.mediaDevices.getUserMedia(e).then(n, a);
        };
      };
    },
    function(e, t, r) {
      "use strict";
      var o = r(5);
      e.exports = {
        shimLocalStreamsAPI: function(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
                  );
                }),
              "getStreamById" in e.RTCPeerConnection.prototype ||
                (e.RTCPeerConnection.prototype.getStreamById = function(e) {
                  var t = null;
                  return (
                    this._localStreams &&
                      this._localStreams.forEach(function(r) {
                        r.id === e && (t = r);
                      }),
                    this._remoteStreams &&
                      this._remoteStreams.forEach(function(r) {
                        r.id === e && (t = r);
                      }),
                    t
                  );
                }),
              !("addStream" in e.RTCPeerConnection.prototype))
            ) {
              var t = e.RTCPeerConnection.prototype.addTrack;
              (e.RTCPeerConnection.prototype.addStream = function(e) {
                this._localStreams || (this._localStreams = []),
                  -1 === this._localStreams.indexOf(e) &&
                    this._localStreams.push(e);
                var r = this;
                e.getTracks().forEach(function(o) {
                  t.call(r, o, e);
                });
              }),
                (e.RTCPeerConnection.prototype.addTrack = function(e, r) {
                  return (
                    r &&
                      (this._localStreams
                        ? -1 === this._localStreams.indexOf(r) &&
                          this._localStreams.push(r)
                        : (this._localStreams = [r])),
                    t.call(this, e, r)
                  );
                });
            }
            "removeStream" in e.RTCPeerConnection.prototype ||
              (e.RTCPeerConnection.prototype.removeStream = function(e) {
                this._localStreams || (this._localStreams = []);
                var t = this._localStreams.indexOf(e);
                if (-1 !== t) {
                  this._localStreams.splice(t, 1);
                  var r = this,
                    o = e.getTracks();
                  this.getSenders().forEach(function(e) {
                    -1 !== o.indexOf(e.track) && r.removeTrack(e);
                  });
                }
              });
          }
        },
        shimRemoteStreamsAPI: function(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: function() {
                return this._onaddstream;
              },
              set: function(e) {
                this._onaddstream &&
                  this.removeEventListener("addstream", this._onaddstream),
                  this.addEventListener("addstream", (this._onaddstream = e));
              }
            });
            var t = e.RTCPeerConnection.prototype.setRemoteDescription;
            e.RTCPeerConnection.prototype.setRemoteDescription = function() {
              var e = this;
              return (
                this._onaddstreampoly ||
                  this.addEventListener(
                    "track",
                    (this._onaddstreampoly = function(t) {
                      t.streams.forEach(function(t) {
                        if (
                          (e._remoteStreams || (e._remoteStreams = []),
                          !(e._remoteStreams.indexOf(t) >= 0))
                        ) {
                          e._remoteStreams.push(t);
                          var r = new Event("addstream");
                          (r.stream = t), e.dispatchEvent(r);
                        }
                      });
                    })
                  ),
                t.apply(e, arguments)
              );
            };
          }
        },
        shimCallbacksAPI: function(e) {
          if ("object" == typeof e && e.RTCPeerConnection) {
            var t = e.RTCPeerConnection.prototype,
              r = t.createOffer,
              o = t.createAnswer,
              n = t.setLocalDescription,
              a = t.setRemoteDescription,
              i = t.addIceCandidate;
            (t.createOffer = function(e, t) {
              var o = arguments.length >= 2 ? arguments[2] : arguments[0],
                n = r.apply(this, [o]);
              return t ? (n.then(e, t), Promise.resolve()) : n;
            }),
              (t.createAnswer = function(e, t) {
                var r = arguments.length >= 2 ? arguments[2] : arguments[0],
                  n = o.apply(this, [r]);
                return t ? (n.then(e, t), Promise.resolve()) : n;
              });
            var c = function(e, t, r) {
              var o = n.apply(this, [e]);
              return r ? (o.then(t, r), Promise.resolve()) : o;
            };
            (t.setLocalDescription = c),
              (c = function(e, t, r) {
                var o = a.apply(this, [e]);
                return r ? (o.then(t, r), Promise.resolve()) : o;
              }),
              (t.setRemoteDescription = c),
              (c = function(e, t, r) {
                var o = i.apply(this, [e]);
                return r ? (o.then(t, r), Promise.resolve()) : o;
              }),
              (t.addIceCandidate = c);
          }
        },
        shimGetUserMedia: function(e) {
          var t = e && e.navigator;
          t.getUserMedia ||
            (t.webkitGetUserMedia
              ? (t.getUserMedia = t.webkitGetUserMedia.bind(t))
              : t.mediaDevices &&
                t.mediaDevices.getUserMedia &&
                (t.getUserMedia = function(e, r, o) {
                  t.mediaDevices.getUserMedia(e).then(r, o);
                }.bind(t)));
        },
        shimRTCIceServerUrls: function(e) {
          var t = e.RTCPeerConnection;
          (e.RTCPeerConnection = function(e, r) {
            if (e && e.iceServers) {
              for (var n = [], a = 0; a < e.iceServers.length; a++) {
                var i = e.iceServers[a];
                !i.hasOwnProperty("urls") && i.hasOwnProperty("url")
                  ? (o.deprecated("RTCIceServer.url", "RTCIceServer.urls"),
                    (i = JSON.parse(JSON.stringify(i))),
                    (i.urls = i.url),
                    delete i.url,
                    n.push(i))
                  : n.push(e.iceServers[a]);
              }
              e.iceServers = n;
            }
            return new t(e, r);
          }),
            (e.RTCPeerConnection.prototype = t.prototype),
            "generateCertificate" in e.RTCPeerConnection &&
              Object.defineProperty(e.RTCPeerConnection, "generateCertificate", {
                get: function() {
                  return t.generateCertificate;
                }
              });
        },
        shimTrackEventTransceiver: function(e) {
          "object" == typeof e &&
            e.RTCPeerConnection &&
            "receiver" in e.RTCTrackEvent.prototype &&
            !e.RTCTransceiver &&
            Object.defineProperty(e.RTCTrackEvent.prototype, "transceiver", {
              get: function() {
                return { receiver: this.receiver };
              }
            });
        },
        shimCreateOfferLegacy: function(e) {
          var t = e.RTCPeerConnection.prototype.createOffer;
          e.RTCPeerConnection.prototype.createOffer = function(e) {
            var r = this;
            if (e) {
              void 0 !== e.offerToReceiveAudio &&
                (e.offerToReceiveAudio = !!e.offerToReceiveAudio);
              var o = r.getTransceivers().find(function(e) {
                return e.sender.track && "audio" === e.sender.track.kind;
              });
              !1 === e.offerToReceiveAudio && o
                ? "sendrecv" === o.direction
                  ? o.setDirection
                    ? o.setDirection("sendonly")
                    : (o.direction = "sendonly")
                  : "recvonly" === o.direction &&
                    (o.setDirection
                      ? o.setDirection("inactive")
                      : (o.direction = "inactive"))
                : !0 !== e.offerToReceiveAudio || o || r.addTransceiver("audio"),
                void 0 !== e.offerToReceiveVideo &&
                  (e.offerToReceiveVideo = !!e.offerToReceiveVideo);
              var n = r.getTransceivers().find(function(e) {
                return e.sender.track && "video" === e.sender.track.kind;
              });
              !1 === e.offerToReceiveVideo && n
                ? "sendrecv" === n.direction
                  ? n.setDirection("sendonly")
                  : "recvonly" === n.direction && n.setDirection("inactive")
                : !0 !== e.offerToReceiveVideo || n || r.addTransceiver("video");
            }
            return t.apply(r, arguments);
          };
        }
      };
    },
    function(e, t, r) {
      "use strict";
      var o = r(56),
        n = r(5);
      e.exports = {
        shimRTCIceCandidate: function(e) {
          if (
            e.RTCIceCandidate &&
            !(e.RTCIceCandidate && "foundation" in e.RTCIceCandidate.prototype)
          ) {
            var t = e.RTCIceCandidate;
            (e.RTCIceCandidate = function(e) {
              if (
                ("object" == typeof e &&
                  e.candidate &&
                  0 === e.candidate.indexOf("a=") &&
                  ((e = JSON.parse(JSON.stringify(e))),
                  (e.candidate = e.candidate.substr(2))),
                e.candidate && e.candidate.length)
              ) {
                var r = new t(e),
                  n = o.parseCandidate(e.candidate),
                  a = Object.assign(r, n);
                return (
                  (a.toJSON = function() {
                    return {
                      candidate: a.candidate,
                      sdpMid: a.sdpMid,
                      sdpMLineIndex: a.sdpMLineIndex,
                      usernameFragment: a.usernameFragment
                    };
                  }),
                  a
                );
              }
              return new t(e);
            }),
              (e.RTCIceCandidate.prototype = t.prototype),
              n.wrapPeerConnectionEvent(e, "icecandidate", function(t) {
                return (
                  t.candidate &&
                    Object.defineProperty(t, "candidate", {
                      value: new e.RTCIceCandidate(t.candidate),
                      writable: "false"
                    }),
                  t
                );
              });
          }
        },
        shimCreateObjectURL: function(e) {
          var t = e && e.URL;
          if (
            "object" == typeof e &&
            e.HTMLMediaElement &&
            "srcObject" in e.HTMLMediaElement.prototype &&
            t.createObjectURL &&
            t.revokeObjectURL
          ) {
            var r = t.createObjectURL.bind(t),
              o = t.revokeObjectURL.bind(t),
              a = new Map(),
              i = 0;
            (t.createObjectURL = function(e) {
              if ("getTracks" in e) {
                var t = "polyblob:" + ++i;
                return (
                  a.set(t, e),
                  n.deprecated(
                    "URL.createObjectURL(stream)",
                    "elem.srcObject = stream"
                  ),
                  t
                );
              }
              return r(e);
            }),
              (t.revokeObjectURL = function(e) {
                o(e), a.delete(e);
              });
            var c = Object.getOwnPropertyDescriptor(
              e.HTMLMediaElement.prototype,
              "src"
            );
            Object.defineProperty(e.HTMLMediaElement.prototype, "src", {
              get: function() {
                return c.get.apply(this);
              },
              set: function(e) {
                return (
                  (this.srcObject = a.get(e) || null), c.set.apply(this, [e])
                );
              }
            });
            var s = e.HTMLMediaElement.prototype.setAttribute;
            e.HTMLMediaElement.prototype.setAttribute = function() {
              return (
                2 === arguments.length &&
                  "src" === ("" + arguments[0]).toLowerCase() &&
                  (this.srcObject = a.get(arguments[1]) || null),
                s.apply(this, arguments)
              );
            };
          }
        },
        shimMaxMessageSize: function(e) {
          if (!e.RTCSctpTransport && e.RTCPeerConnection) {
            var t = n.detectBrowser(e);
            "sctp" in e.RTCPeerConnection.prototype ||
              Object.defineProperty(e.RTCPeerConnection.prototype, "sctp", {
                get: function() {
                  return void 0 === this._sctp ? null : this._sctp;
                }
              });
            var r = function(e) {
                var t = o.splitSections(e.sdp);
                return (
                  t.shift(),
                  t.some(function(e) {
                    var t = o.parseMLine(e);
                    return (
                      t &&
                      "application" === t.kind &&
                      -1 !== t.protocol.indexOf("SCTP")
                    );
                  })
                );
              },
              a = function(e) {
                var t = e.sdp.match(/mozilla...THIS_IS_SDPARTA-(\d+)/);
                if (null === t || t.length < 2) return -1;
                var r = parseInt(t[1], 10);
                return r !== r ? -1 : r;
              },
              i = function(e) {
                var r = 65536;
                return (
                  "firefox" === t.browser &&
                    (r =
                      t.version < 57
                        ? -1 === e
                          ? 16384
                          : 2147483637
                        : t.version < 60
                        ? 57 === t.version
                          ? 65535
                          : 65536
                        : 2147483637),
                  r
                );
              },
              c = function(e, r) {
                var n = 65536;
                "firefox" === t.browser && 57 === t.version && (n = 65535);
                var a = o.matchPrefix(e.sdp, "a=max-message-size:");
                return (
                  a.length > 0
                    ? (n = parseInt(a[0].substr(19), 10))
                    : "firefox" === t.browser && -1 !== r && (n = 2147483637),
                  n
                );
              },
              s = e.RTCPeerConnection.prototype.setRemoteDescription;
            e.RTCPeerConnection.prototype.setRemoteDescription = function() {
              var e = this;
              if (((e._sctp = null), r(arguments[0]))) {
                var t,
                  o = a(arguments[0]),
                  n = i(o),
                  d = c(arguments[0], o);
                t =
                  0 === n && 0 === d
                    ? Number.POSITIVE_INFINITY
                    : 0 === n || 0 === d
                    ? Math.max(n, d)
                    : Math.min(n, d);
                var u = {};
                Object.defineProperty(u, "maxMessageSize", {
                  get: function() {
                    return t;
                  }
                }),
                  (e._sctp = u);
              }
              return s.apply(e, arguments);
            };
          }
        },
        shimSendThrowTypeError: function(e) {
          function t(e, t) {
            var r = e.send;
            e.send = function() {
              var o = arguments[0],
                n = o.length || o.size || o.byteLength;
              if ("open" === e.readyState && t.sctp && n > t.sctp.maxMessageSize)
                throw new TypeError(
                  "Message too large (can send a maximum of " +
                    t.sctp.maxMessageSize +
                    " bytes)"
                );
              return r.apply(e, arguments);
            };
          }
          if (
            e.RTCPeerConnection &&
            "createDataChannel" in e.RTCPeerConnection.prototype
          ) {
            var r = e.RTCPeerConnection.prototype.createDataChannel;
            (e.RTCPeerConnection.prototype.createDataChannel = function() {
              var e = this,
                o = r.apply(e, arguments);
              return t(o, e), o;
            }),
              n.wrapPeerConnectionEvent(e, "datachannel", function(e) {
                return t(e.channel, e.target), e;
              });
          }
        }
      };
    },
    function(e, t, r) {
      e.exports = { default: r(111), __esModule: !0 };
    },
    function(e, t, r) {
      r(112), (e.exports = r(1).Object.getPrototypeOf);
    },
    function(e, t, r) {
      var o = r(32),
        n = r(48);
      r(113)("getPrototypeOf", function() {
        return function(e) {
          return n(o(e));
        };
      });
    },
    function(e, t, r) {
      var o = r(3),
        n = r(1),
        a = r(14);
      e.exports = function(e, t) {
        var r = (n.Object || {})[e] || Object[e],
          i = {};
        (i[e] = t(r)),
          o(
            o.S +
              o.F *
                a(function() {
                  r(1);
                }),
            "Object",
            i
          );
      };
    },
    function(e, t, r) {
      "use strict";
      t.__esModule = !0;
      var o = r(58),
        n = (function(e) {
          return e && e.__esModule ? e : { default: e };
        })(o);
      t.default = function(e, t) {
        if (!e)
          throw new ReferenceError(
            "this hasn't been initialised - super() hasn't been called"
          );
        return !t ||
          ("object" !== (void 0 === t ? "undefined" : (0, n.default)(t)) &&
            "function" != typeof t)
          ? e
          : t;
      };
    },
    function(e, t, r) {
      e.exports = { default: r(116), __esModule: !0 };
    },
    function(e, t, r) {
      r(41), r(49), (e.exports = r(35).f("iterator"));
    },
    function(e, t, r) {
      e.exports = { default: r(118), __esModule: !0 };
    },
    function(e, t, r) {
      r(119), r(40), r(124), r(125), (e.exports = r(1).Symbol);
    },
    function(e, t, r) {
      "use strict";
      var o = r(0),
        n = r(10),
        a = r(8),
        i = r(3),
        c = r(44),
        s = r(120).KEY,
        d = r(14),
        u = r(30),
        l = r(22),
        f = r(21),
        p = r(2),
        m = r(35),
        v = r(36),
        h = r(121),
        k = r(122),
        C = r(4),
        y = r(7),
        g = r(32),
        B = r(11),
        P = r(26),
        w = r(20),
        b = r(27),
        S = r(123),
        T = r(61),
        x = r(59),
        R = r(6),
        E = r(28),
        _ = T.f,
        M = R.f,
        O = S.f,
        L = o.Symbol,
        j = o.JSON,
        I = j && j.stringify,
        D = p("_hidden"),
        N = p("toPrimitive"),
        A = {}.propertyIsEnumerable,
        F = u("symbol-registry"),
        U = u("symbols"),
        G = u("op-symbols"),
        z = Object.prototype,
        X = "function" == typeof L && !!x.f,
        V = o.QObject,
        J = !V || !V.prototype || !V.prototype.findChild,
        H =
          a &&
          d(function() {
            return (
              7 !=
              b(
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