var WebsocketServer = function (a, b) {
  function c() {
  }

  function d(a, b, c, d) {
    var e = "";
    switch (a) {
      case"OPTIONS":
      case"TEARDOWN":
      case"GET_PARAMETER":
      case"SET_PARAMETERS":
        e = a + " " + M + " RTSP/1.0\r\nCSeq: " + B + "\r\n" + z + "\r\n";
        break;
      case"DESCRIBE":
        e = a + " " + M + " RTSP/1.0\r\nCSeq: " + B + "\r\n" + z + "\r\n";
        break;
      case"SETUP":
        debug.log("trackID: " + b), e = a + " " + M + "/trackID=" + b + " RTSP/1.0\r\nCSeq: " + B + "\r\n" + z + "Transport: DH/AVP/TCP;unicast;interleaved=" + 2 * b + "-" + (2 * b + 1) + "\r\n", e += 0 != G ? "Session: " + G + "\r\n\r\n" : "\r\n";
        break;
      case"PLAY":
        e = a + " " + M + " RTSP/1.0\r\nCSeq: " + B + "\r\nSession: " + G + "\r\n", void 0 != d && 0 != d ? (e += "Range: npt=" + d + "-\r\n", e += z + "\r\n") : e += z + "\r\n";
        break;
      case"PAUSE":
        e = a + " " + M + " RTSP/1.0\r\nCSeq: " + B + "\r\nSession: " + G + "\r\n\r\n";
        break;
      case"SCALE":
        e = "PLAY " + M + " RTSP/1.0\r\nCSeq: " + B + "\r\nSession: " + G + "\r\n", e += "Scale: " + d + "\r\n", e += z + "\r\n"
    }
    return debug.log(e), e
  }

  function e(a) {
    debug.log(a);
    var b = {}, e = a.search("CSeq: ") + 5;
    if (B = parseInt(a.slice(e, e + 10)) + 1, b = m(a), b.ResponseCode === x.UNAUTHORIZED && "" === z) f(b); else if (b.ResponseCode === x.OK) {
      if ("Options" === E) return E = "Describe", d("DESCRIBE", null, null);
      if ("Describe" === E) {
        I = !1, D = n(a), "undefined" != typeof b.ContentBase && (D.ContentBase = b.ContentBase);
        var g = 0;
        for (g = 0; g < D.Sessions.length; g += 1) {
          var i = {};
          "JPEG" === D.Sessions[g].CodecMime || "H264" === D.Sessions[g].CodecMime || "H265" === D.Sessions[g].CodecMime || "H264-SVC" == D.Sessions[g].CodecMime ? (i.codecName = D.Sessions[g].CodecMime, "H264-SVC" == D.Sessions[g].CodecMime && (i.codecName = "H264"), "H265" == D.Sessions[g].CodecMime && c.prototype.setLiveMode("canvas"), i.trackID = D.Sessions[g].ControlURL, i.ClockFreq = D.Sessions[g].ClockFreq, i.Port = parseInt(D.Sessions[g].Port), "undefined" != typeof D.Sessions[g].Framerate && (i.Framerate = parseInt(D.Sessions[g].Framerate), w.setFPS(i.Framerate), N(i.Framerate)), A.push(i)) : "PCMU" === D.Sessions[g].CodecMime || -1 !== D.Sessions[g].CodecMime.search("G726-16") || -1 !== D.Sessions[g].CodecMime.search("G726-24") || -1 !== D.Sessions[g].CodecMime.search("G726-32") || -1 !== D.Sessions[g].CodecMime.search("G726-40") || "PCMA" === D.Sessions[g].CodecMime ? ("PCMU" === D.Sessions[g].CodecMime ? i.codecName = "G.711Mu" : "G726-16" === D.Sessions[g].CodecMime ? i.codecName = "G.726-16" : "G726-24" === D.Sessions[g].CodecMime ? i.codecName = "G.726-24" : "G726-32" === D.Sessions[g].CodecMime ? i.codecName = "G.726-32" : "G726-40" === D.Sessions[g].CodecMime ? i.codecName = "G.726-40" : "PCMA" === D.Sessions[g].CodecMime && (i.codecName = "G.711A"), i.trackID = D.Sessions[g].ControlURL, i.ClockFreq = D.Sessions[g].ClockFreq, i.Port = parseInt(D.Sessions[g].Port), i.Bitrate = parseInt(D.Sessions[g].Bitrate), A.push(i)) : "mpeg4-generic" === D.Sessions[g].CodecMime || "MPEG4-GENERIC" === D.Sessions[g].CodecMime ? (i.codecName = "mpeg4-generic", i.trackID = D.Sessions[g].ControlURL, i.ClockFreq = D.Sessions[g].ClockFreq, i.Port = parseInt(D.Sessions[g].Port), i.Bitrate = parseInt(D.Sessions[g].Bitrate), A.push(i)) : "vnd.onvif.metadata" === D.Sessions[g].CodecMime ? (i.codecName = "MetaData", i.trackID = D.Sessions[g].ControlURL, i.ClockFreq = D.Sessions[g].ClockFreq, i.Port = parseInt(D.Sessions[g].Port), A.push(i)) : "stream-assist-frame" === D.Sessions[g].CodecMime ? (i.codecName = "stream-assist-frame", i.trackID = D.Sessions[g].ControlURL, i.ClockFreq = D.Sessions[g].ClockFreq, i.Port = parseInt(D.Sessions[g].Port), A.push(i)) : debug.log("Unknown codec type:", D.Sessions[g].CodecMime, D.Sessions[g].ControlURL)
        }
        return F = 0, E = "Setup", debug.log(A), d("SETUP", F)
      }
      if ("Setup" === E) {
        if (G = b.SessionID, F < A.length) return A[F].RtpInterlevedID = b.RtpInterlevedID, A[F].RtcpInterlevedID = b.RtcpInterlevedID, F += 1, F !== A.length ? d("SETUP", A[F].trackID.split("=")[1] - 0) : (w.sendSdpInfo(A, L, I), E = "Play", d("PLAY", null));
        debug.log("Unknown setup SDP index")
      } else if ("Play" === E) {
        G = b.SessionID, clearInterval(J), J = setInterval(function () {
          return h(d("GET_PARAMETER", null, null))
        }, y);
        E = "Playing"
      } else "Playing" === E || debug.log("unknown rtsp state:" + E)
    } else if (b.ResponseCode === x.NOTSERVICE) {
      if ("Setup" === E && -1 !== A[F].trackID.search("trackID=t")) return A[F].RtpInterlevedID = -1, A[F].RtcpInterlevedID = -1, F += 1, I = !1, C({
        errorCode: "504",
        description: "Talk Service Unavilable",
        place: "RtspClient.js"
      }), F < A.length ? d("SETUP", A[F].trackID) : (E = "Play", d("PLAY", null));
      C({errorCode: "503", description: "Service Unavilable"})
    } else if (b.ResponseCode === x.NOTFOUND) {
      if ("Describe" === E || "Options" === E) return void C({errorCode: 404, description: "rtsp not found"})
    } else if (b.ResponseCode === x.INVALID_RANGE) return ("backup" === H || "playback" === H) && C({
      errorCode: "457",
      description: "Invalid range"
    }), void debug.log("RTP disconnection detect!!!")
  }

  function f(a) {
    var b = P.username, c = P.passWord, e = {Method: null, Realm: null, Nonce: null, Uri: null}, f = null;
    e = {
      Method: E.toUpperCase(),
      Realm: a.Realm,
      Nonce: a.Nonce,
      Uri: M
    }, f = g(b, c, e.Uri, e.Realm, e.Nonce, e.Method), z = 'Authorization: Digest username="' + b + '", realm="' + e.Realm + '",', z += ' nonce="' + e.Nonce + '", uri="' + e.Uri + '", response="' + f + '"', z += "\r\n", h(d("OPTIONS", null, null))
  }

  function g(a, b, c, d, e, f) {
    var g = null, h = null, i = null;
    return g = hex_md5(a + ":" + d + ":" + b).toLowerCase(), h = hex_md5(f + ":" + c).toLowerCase(), i = hex_md5(g + ":" + e + ":" + h).toLowerCase()
  }

  function h(a) {
    if (void 0 != a && null != a && "" != a) if (null !== o && o.readyState === WebSocket.OPEN) {
      if (v === !1) {
        var b = a.search("DESCRIBE");
        -1 !== b && (u = !0, v = !0)
      }
      console.info('ws request', a);
      void 0 != a && o.send(i(a))
    } else debug.log("ws未连接")
  }

  function i(a) {
    for (var b = a.length, c = new Uint8Array(new ArrayBuffer(b)), d = 0; b > d; d++) c[d] = a.charCodeAt(d);
    return c
  }

  function j(a) {
    var b = new Uint8Array, c = new Uint8Array(a.data);
    for (b = new Uint8Array(c.length), b.set(c, 0), s = b.length; s > 0;) if (36 !== b[0]) {
      var d = String.fromCharCode.apply(null, b), f = null;
      -1 !== d.indexOf("OffLine:File Over") && O(), u === !0 ? (f = d.lastIndexOf("\r\n"), u = !1) : f = d.search("\r\n\r\n");
      var g = d.search("RTSP");
      if (-1 === g) return void (b = new Uint8Array);
      if (-1 === f) return void (s = b.length);
      q = b.subarray(g, f + p), b = b.subarray(f + p);
      var i = String.fromCharCode.apply(null, q);
      h(e(i)), s = b.length
    } else {
      if (r = b.subarray(0, p), t = r[2] << 24 | r[3] << 16 | r[4] << 8 | r[5], !(t + p <= b.length)) return void (s = b.length);
      var j = b.subarray(p, t + p);
      l(r, j), b = b.subarray(t + p), s = b.length
    }
  }

  function k(a) {
    K = a
  }

  function l(a, b) {
    w.parseRTPData(a, b), k(!0)
  }

  function m(a) {
    var b = {}, c = 0, d = 0, e = null, f = null, g = null;
    if (-1 !== a.search("Content-Type: application/sdp")) {
      var h = a.split("\r\n\r\n");
      g = h[0]
    } else g = a;
    var i = g.split("\r\n"), j = i[0].split(" ");
    if (j.length > 2 && (b.ResponseCode = parseInt(j[1]), b.ResponseMessage = j[2]), b.ResponseCode === x.OK) {
      for (c = 1; c < i.length; c++) if (f = i[c].split(":"), "Public" === f[0]) b.MethodsSupported = f[1].split(","); else if ("CSeq" === f[0]) b.CSeq = parseInt(f[1]); else if ("Content-Type" === f[0]) b.ContentType = f[1], -1 !== b.ContentType.search("application/sdp") && (b.SDPData = n(a)); else if ("Content-Length" === f[0]) b.ContentLength = parseInt(f[1]); else if ("Content-Base" === f[0]) {
        var k = i[c].search("Content-Base:");
        -1 !== k && (b.ContentBase = i[c].substr(k + 13))
      } else if ("Session" === f[0]) {
        var l = f[1].split(";");
        b.SessionID = parseInt(l[0])
      } else if ("Transport" === f[0]) {
        var m = f[1].split(";");
        for (d = 0; d < m.length; d++) {
          var o = m[d].search("interleaved=");
          if (-1 !== o) {
            var p = m[d].substr(o + 12), q = p.split("-");
            q.length > 1 && (b.RtpInterlevedID = parseInt(q[0]), b.RtcpInterlevedID = parseInt(q[1]))
          }
        }
      } else if ("RTP-Info" === f[0]) {
        f[1] = i[c].substr(9);
        var r = f[1].split(",");
        for (b.RTPInfoList = [], d = 0; d < r.length; d++) {
          var s = r[d].split(";"), t = {}, u = 0;
          for (u = 0; u < s.length; u++) {
            var v = s[u].search("url=");
            -1 !== v && (t.URL = s[u].substr(v + 4)), v = s[u].search("seq="), -1 !== v && (t.Seq = parseInt(s[u].substr(v + 4)))
          }
          b.RTPInfoList.push(t)
        }
      }
    } else if (b.ResponseCode === x.UNAUTHORIZED) for (c = 1; c < i.length; c++) if (f = i[c].split(":"), "CSeq" === f[0]) b.CSeq = parseInt(f[1]); else if ("WWW-Authenticate" === f[0]) {
      var w = f[1].split(",");
      for (d = 0; d < w.length; d++) {
        var y = w[d].search("Digest realm=");
        if (-1 !== y) {
          e = w[d].substr(y + 13);
          var z = e.split('"');
          b.Realm = z[1]
        }
        if (y = w[d].search("nonce="), -1 !== y) {
          e = w[d].substr(y + 6);
          var A = e.split('"');
          b.Nonce = A[1]
        }
      }
    }
    return b
  }

  function n(a) {
    var b = {}, c = [];
    b.Sessions = c;
    var d = null;
    if (-1 !== a.search("Content-Type: application/sdp")) {
      var e = a.split("\r\n\r\n");
      d = e[1]
    } else d = a;
    var f = d.split("\r\n"), g = 0, h = !1;
    for (g = 0; g < f.length; g++) {
      var i = f[g].split("=");
      if (i.length > 0) switch (i[0]) {
        case"a":
          var j = i[1].split(":");
          if (j.length > 1) if ("control" === j[0]) {
            var k = f[g].search("control:");
            h === !0 ? -1 !== k && (b.Sessions[b.Sessions.length - 1].ControlURL = f[g].substr(k + 8)) : -1 !== k && (b.BaseURL = f[g].substr(k + 8))
          } else if ("rtpmap" === j[0]) {
            var l = j[1].split(" ");
            b.Sessions[b.Sessions.length - 1].PayloadType = l[0];
            var m = l[1].split("/");
            b.Sessions[b.Sessions.length - 1].CodecMime = m[0], m.length > 1 && (b.Sessions[b.Sessions.length - 1].ClockFreq = m[1])
          } else if ("framesize" === j[0]) {
            var n = j[1].split(" ");
            if (n.length > 1) {
              var o = n[1].split("-");
              b.Sessions[b.Sessions.length - 1].Width = o[0], b.Sessions[b.Sessions.length - 1].Height = o[1]
            }
          } else if ("framerate" === j[0]) b.Sessions[b.Sessions.length - 1].Framerate = j[1]; else if ("fmtp" === j[0]) {
            var p = f[g].split(" ");
            if (p.length < 2) continue;
            for (var q = 1; q < p.length; q++) {
              var r = p[q].split(";"), s = 0;
              for (s = 0; s < r.length; s++) {
                var t = r[s].search("mode=");
                if (-1 !== t && (b.Sessions[b.Sessions.length - 1].mode = r[s].substr(t + 5)), t = r[s].search("config="), -1 !== t && (b.Sessions[b.Sessions.length - 1].config = r[s].substr(t + 7), L.config = b.Sessions[b.Sessions.length - 1].config, L.clockFreq = b.Sessions[b.Sessions.length - 1].ClockFreq, L.bitrate = b.Sessions[b.Sessions.length - 1].Bitrate), t = r[s].search("sprop-vps="), -1 !== t && (b.Sessions[b.Sessions.length - 1].VPS = r[s].substr(t + 10)), t = r[s].search("sprop-sps="), -1 !== t && (b.Sessions[b.Sessions.length - 1].SPS = r[s].substr(t + 10)), t = r[s].search("sprop-pps="), -1 !== t && (b.Sessions[b.Sessions.length - 1].PPS = r[s].substr(t + 10)), t = r[s].search("sprop-parameter-sets="), -1 !== t) {
                  var u = r[s].substr(t + 21), v = u.split(",");
                  v.length > 1 && (b.Sessions[b.Sessions.length - 1].SPS = v[0], b.Sessions[b.Sessions.length - 1].PPS = v[1])
                }
              }
            }
          }
          break;
        case"m":
          var w = i[1].split(" "), x = {};
          x.Type = w[0], x.Port = w[1], x.Payload = w[3], b.Sessions.push(x), h = !0;
          break;
        case"b":
          if (h === !0) {
            var y = i[1].split(":");
            b.Sessions[b.Sessions.length - 1].Bitrate = y[1]
          }
      }
    }
    return b
  }

  var a = a, o = null, p = 6, q = null, r = null, s = 0, t = 0, u = !1, v = !1, w = new WorkerManager,
    x = {OK: 200, UNAUTHORIZED: 401, NOTFOUND: 404, INVALID_RANGE: 457, NOTSERVICE: 503, DISCONNECT: 999}, y = 4e4,
    z = "", A = [], B = 1, C = null, D = {}, E = "Options", F = null, G = null, H = "", I = !1, J = null, K = !1,
    L = {}, M = b, N = null, O = null, P = {}, Q = "";
  return c.prototype = {
    init: function (a, b) {
      w.init(a, b)
    }, connect: function () {
      o || (o = new WebSocket(a), o.binaryType = "arraybuffer", o.addEventListener("message", j, !1), o.onopen = function () {
        var a = i("OPTIONS " + M + " RTSP/1.0\r\nCSeq: " + B + "\r\n\r\n");
        o.send(a)
      })
    }, disconnect: function () {
      h(d("TEARDOWN", null, null)), clearInterval(J), J = null, null !== o && o.readyState === WebSocket.OPEN && (o.close(), o = null, G = null), w.terminate()
    }, controlPlayer: function (a) {
      var b = "";
      switch (Q = a.command, a.command) {
        case"PLAY":
          if (E = "Play", null != a.range) {
            b = d("PLAY", null, null, a.range);
            break
          }
          b = d("PLAY", null, null), Q && w.initStartTime();
          break;
        case"PAUSE":
          if ("PAUSE" === E) break;
          E = "PAUSE", b = d("PAUSE", null, null);
          break;
        case"SCALE":
          b = d("SCALE", null, null, a.data), w.playbackSpeed(a.data);
          break;
        case"TEARDOWN":
          b = d("TEARDOWN", null, null);
          break;
        case"audioPlay":
        case"volumn":
        case"audioSamplingRate":
          w.controlAudio(a.command, a.data);
          break;
        default:
          debug.log("未知指令: " + a.command)
      }
      "" != b && h(b)
    }, setLiveMode: function (a) {
      w.setLiveMode(a)
    }, setRTSPURL: function (a) {
      M = a
    }, setCallback: function (a, b) {
      "GetFrameRate" === a ? N = b : "FileOver" === a ? O = b : w.setCallback(a, b), "Error" == a && (C = b)
    }, setUserInfo: function (a, b) {
      P.username = a, P.passWord = b
    }, capture: function (a) {
      w.capture(a)
    }
  }, new c
};
