(function OpusMediaWorkerUMD(root, factory) { if (typeof WorkerGlobalScope !== 'undefined' && self instanceof WorkerGlobalScope) { var initWorker = factory(); initWorker(); } else if (typeof exports === 'object' && typeof module === 'object') module.exports = factory(); else if (typeof define === 'function' && define.amd) define([], factory); else if (typeof exports === 'object') exports["encoderWorker"] = factory(); else root["encoderWorker"] = factory(); })(typeof OpusMediaRecorder !== 'undefined' ? OpusMediaRecorder : typeof self !== 'undefined' ? self : this, function() { return function() { ! function(e) { var t = {}; function n(r) { if (t[r]) return t[r].exports; var o = t[r] = { i: r, l: !1, exports: {} }; return e[r].call(o.exports, o, o.exports, n), o.l = !0, o.exports } n.m = e, n.c = t, n.d = function(e, t, r) { n.o(e, t) || Object.defineProperty(e, t, { enumerable: !0, get: r }) }, n.r = function(e) { "undefined" != typeof Symbol && Symbol.toStringTag && Object.defineProperty(e, Symbol.toStringTag, { value: "Module" }), Object.defineProperty(e, "__esModule", { value: !0 }) }, n.t = function(e, t) { if (1 & t && (e = n(e)), 8 & t) return e; if (4 & t && "object" == typeof e && e && e.__esModule) return e; var r = Object.create(null); if (n.r(r), Object.defineProperty(r, "default", { enumerable: !0, value: e }), 2 & t && "string" != typeof e) for (var o in e) n.d(r, o, function(t) { return e[t] }.bind(null, o)); return r }, n.n = function(e) { var t = e && e.__esModule ? function() { return e.default } : function() { return e }; return n.d(t, "a", t), t }, n.o = function(e, t) { return Object.prototype.hasOwnProperty.call(e, t) }, n.p = "", n(n.s = 5) }([function(e, t, n) { (function(e) { function n(e, t) { for (var n = 0, r = e.length - 1; r >= 0; r--) { var o = e[r]; "." === o ? e.splice(r, 1) : ".." === o ? 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[] : e.slice(t, n - t + 1) } e = t.resolve(e).substr(1), n = t.resolve(n).substr(1); for (var o = r(e.split("/")), i = r(n.split("/")), u = Math.min(o.length, i.length), a = u, s = 0; s < u; s++) if (o[s] !== i[s]) { a = s; break } var c = []; for (s = a; s < o.length; s++) c.push(".."); return (c = c.concat(i.slice(a))).join("/") }, t.sep = "/", t.delimiter = ":", t.dirname = function(e) { if ("string" != typeof e && (e += ""), 0 === e.length) return "."; for (var t = e.charCodeAt(0), n = 47 === t, r = -1, o = !0, i = e.length - 1; i >= 1; --i) if (47 === (t = e.charCodeAt(i))) { if (!o) { r = i; break } } else o = !1; return -1 === r ? n ? "/" : "." : n && 1 === r ? "/" : e.slice(0, r) }, t.basename = function(e, t) { var n = function(e) { "string" != typeof e && (e += ""); var t, n = 0, r = -1, o = !0; for (t = e.length - 1; t >= 0; --t) if (47 === e.charCodeAt(t)) { if (!o) { n = t + 1; break } } else -1 === r && (o = !1, r = t + 1); return -1 === r ? "" : e.slice(n, r) }(e); return t && n.substr(-1 * t.length) === t && (n = n.substr(0, n.length - t.length)), n }, t.extname = function(e) { "string" != typeof e && (e += ""); for (var t = -1, n = 0, r = -1, o = !0, i = 0, u = e.length - 1; u >= 0; --u) { var a = e.charCodeAt(u); if (47 !== a) - 1 === r && (o = !1, r = u + 1), 46 === a ? -1 === t ? t = u : 1 !== i && (i = 1) : -1 !== t && (i = -1); else if (!o) { n = u + 1; break } } return -1 === t || -1 === r || 0 === i || 1 === i && t === r - 1 && t === n + 1 ? "" : e.slice(t, r) }; var o = "b" === "ab".substr(-1) ? function(e, t, n) { return e.substr(t, n) } : function(e, t, n) { return t < 0 && (t = e.length + t), e.substr(t, n) } }).call(this, n(2)) }, function(e, t) { function n(e) { return (n = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function(e) { return typeof e } : function(e) { return e && "function" == typeof Symbol && e.constructor === Symbol && e !== Symbol.prototype ? 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Object.getPrototypeOf : function(e) { return e.__proto__ || Object.getPrototypeOf(e) })(e) } function s(e, t) { if (!(e instanceof t)) throw new TypeError("Cannot call a class as a function") } function c(e, t) { for (var n = 0; n < t.length; n++) { var r = t[n]; r.enumerable = r.enumerable || !1, r.configurable = !0, "value" in r && (r.writable = !0), Object.defineProperty(e, r.key, r) } } function f(e, t, n) { return t && c(e.prototype, t), n && c(e, n), e } var l = function() { function e(t, n, r, o) { switch (s(this, e), this._size = n, this._module = t, this._size) { case 1: this._heapArray = r ? this._module.HEAP8 : this._module.HEAPU8; break; case 2: this._heapArray = r ? this._module.HEAP16 : this._module.HEAPU16; break; case 4: this._heapArray = r ? this._module.HEAP32 : this._module.HEAPU32; break; default: this._heapArray = this._module.HEAPU8 } o && (this._size = 4, this._heapArray = this._module.HEAPF32), this._pointer = this._module._malloc(n) } return f(e, [{ key: "free", value: function() { this._module._free(this.pointer) } }, { key: "pointer", get: function() { return this._pointer } }, { key: "value", get: function() { var e = 0; switch (this._size) { case 2: e = 1; break; case 4: e = 2; break; default: throw new Error("Pointer can be only deferenced as integer-sized") } return this._heapArray[this.pointer >> e] }, set: function(e) { var t = 0; switch (this._size) { case 2: t = 1; break; case 4: t = 2; break; default: throw new Error("Pointer can be only deferenced as integer-sized") } this._heapArray[this.pointer >> t] = e } }]), e }(), p = function(e) { r(n, e); var t = i(n); function n(e, r) { var o; return s(this, n), o = t.call(this, e, 4, !0, !1), void 0 !== r && (o.value = r), o } return n }(l), _ = function(e) { r(n, e); var t = i(n); function n(e, r) { var o; return s(this, n), o = t.call(this, e, 4, !1, !1), void 0 !== r && (o.value = r), o } return n }(l), d = function(e) { r(n, e); var t = i(n); function n(e, r, o, i, u) { var a; s(this, n), a = t.call(this, e, r * o, i, u); var c = 0; switch (o) { case 1: a._heapArray = i ? 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c : t + e }), u(f).then((function(e) { t = e, self.postMessage({ command: "readyToInit" }) })); break; case "init": var l = e.data, p = l.sampleRate, _ = l.channelCount, d = l.bitsPerSecond; t.init(p, _, d); break; case "pushInputData": for (var h = e.data, m = h.channelBuffers, y = (h.length, h.duration, 0); y < m.length; y++) m[y] = new Float32Array(m[y].buffer); t.encode(m); break; case "getEncodedData": case "done": "done" === n && t.close(); var v = t.flush(); self.postMessage({ command: "done" === n ? "lastEncodedData" : "encodedData", buffers: v }, v), "done" === n && self.close() } } } "undefined" != typeof WorkerGlobalScope && self instanceof WorkerGlobalScope && r(self), e.exports = r }, function(e, t, n) { function r(e) { return function(e) { if (Array.isArray(e)) return o(e) }(e) || function(e) { if ("undefined" != typeof Symbol && Symbol.iterator in Object(e)) return Array.from(e) }(e) || function(e, t) { if (!e) return; if ("string" == typeof e) return o(e, t); var n = Object.prototype.toString.call(e).slice(8, -1); "Object" === n && e.constructor && (n = e.constructor.name); if ("Map" === n || "Set" === n) return Array.from(e); if ("Arguments" === n || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return o(e, t) }(e) || function() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.") }() } function o(e, t) { (null == t || t > e.length) && (t = e.length); for (var n = 0, r = new Array(t); n < t; n++) r[n] = e[n]; return r } function i(e, t) { for (var n = 0; n < t.length; n++) { var r = t[n]; r.enumerable = r.enumerable || !1, r.configurable = !0, "value" in r && (r.writable = !0), Object.defineProperty(e, r.key, r) } } var u = n(1).writeString, a = 3, s = function() { function e(t, n, r) { ! function(e, t) { if (!(e instanceof t)) throw new TypeError("Cannot call a class as a function") }(this, e), this.config = { inputSampleRate: t, channelCount: n }, this.encodedBuffers = [] } var t, n, r; return t = e, (n = [{ key: "encode", value: function(e) { for (var t = e[0].length, n = new ArrayBuffer(t * a * this.config.channelCount), r = new DataView(n), o = 0; o < this.config.channelCount; o++) for (var i = e[o], u = 0; u < t; u++) { var s = 8388607 * i[u] | 0; s > 8388607 ? s = 8388607 : s < -8388608 && (s = -8388608 ); var c = (u * this.config.channelCount + o) * a; var valz = 0 | s; var uinx = valz & 0xff; r.setUint8(c, uinx); var uiny =(valz & 0xff00) >> 8; r.setUint8(c+1, uiny); var uinz =(valz & 0xff0000) >> 16; r.setUint8(c+2, uinz); } this.encodedBuffers.push(n) } }, { key: "getHeader", value: function() { var e = this.encodedBuffers.reduce((function(e, t) { return e + t.byteLength }), 0), t = new ArrayBuffer(44), n = new DataView(t); return u(n, 0, "RIFF"), n.setUint32(4, 36 + e, !0), u(n, 8, "WAVE"), u(n, 12, "fmt "), n.setUint32(16, 16, !0), n.setUint16(20, 1, !0), n.setUint16(22, this.config.channelCount, !0), n.setUint32(24, this.config.inputSampleRate, !0), n.setUint32(28, this.config.inputSampleRate * a * this.config.channelCount, !0), n.setUint16(32, a * this.config.channelCount, !0), n.setUint16(34, 8 * a, !0), u(n, 36, "data"), n.setUint32(40, e, !0), t } }]) && i(t.prototype, n), r && i(t, r), e }(); e.exports = function(e) { return new Promise((function(t, n) { (e = void 0 !== e && e || {}).init = function(t, n, r) { e.encoder = new s(t, n, r) }, e.encode = function(t) { e.encoder.encode(t) }, e.flush = function() { var t = e.encoder.getHeader(), n = e.encoder.encodedBuffers.splice(0, e.encoder.encodedBuffers.length); return [t].concat(r(n)) }, e.close = function() {}, t(e) })) } }, function(e, t, n) { (function(e, r, o, i) { var u; function a(e) { return (a = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function(e) { return typeof e } : function(e) { return e && "function" == typeof Symbol && e.constructor === Symbol && e !== Symbol.prototype ? "symbol" : typeof e })(e) } function s(e, t) { if (!(e instanceof t)) throw new TypeError("Cannot call a class as a function") } function c(e, t) { for (var n = 0; n < t.length; n++) { var r = t[n]; r.enumerable = r.enumerable || !1, r.configurable = !0, "value" in r && (r.writable = !0), Object.defineProperty(e, r.key, r) } } function f(e, t, n) { return t && c(e.prototype, t), n && c(e, n), e } var l, p = (l = (l = "undefined" != typeof document && document.currentScript ? document.currentScript.src : void 0) || e, function(e) { e = void 0 !== (e = e || {}) ? e : {}; var t = n(1), i = t.EmscriptenMemoryAllocator, u = 2049, c = 48e3, p = 4e3, _ = 20, d = 6, h = 4096, m = 0, y = 4002, v = 0, b = function() { function t(n, r) { var o = arguments.length > 2 && void 0 !== arguments[2] ? arguments[2] : void 0; s(this, t), this.config = { inputSampleRate: n, channelCount: r }, this.memory = new i(e), this._opus_encoder_create = e._opus_encoder_create, this._opus_encoder_ctl = e._opus_encoder_ctl, this._opus_encode_float = e._opus_encode_float, this._opus_encoder_destroy = e._opus_encoder_destroy, this._speex_resampler_init = e._speex_resampler_init, this._speex_resampler_process_interleaved_float = e._speex_resampler_process_interleaved_float, this._speex_resampler_destroy = e._speex_resampler_destroy, this._container = new e.Container, this._container.init(c, r, Math.floor(4294967295 * Math.random())), this.OpusInitCodec(c, r, o), this.SpeexInitResampler(n, c, r), this.inputSamplesPerChannel = n * _ / 1e3, this.outputSamplePerChannel = c * _ / 1e3, this.inputBufferIndex = 0, this.mInputBuffer = this.memory.mallocFloat32Buffer(this.inputSamplesPerChannel * r), this.mResampledBuffer = this.memory.mallocFloat32Buffer(this.outputSamplePerChannel * r), this.mOutputBuffer = this.memory.mallocUint8Buffer(p), this.interleavedBuffers = 1 !== r ? new Float32Array(h * r) : void 0 } return f(t, [{ key: "encode", value: function(e) { for (var t = this.interleave(e), n = 0; n < t.length;) { var r = Math.min(this.mInputBuffer.length - this.inputBufferIndex, t.length - n); if (this.mInputBuffer.set(t.subarray(n, n + r), this.inputBufferIndex), this.inputBufferIndex += r, this.inputBufferIndex >= this.mInputBuffer.length) { var o = this.memory.mallocUint32(this.inputSamplesPerChannel), i = this.memory.mallocUint32(this.outputSamplePerChannel), u = this._speex_resampler_process_interleaved_float(this.resampler, this.mInputBuffer.pointer, o.pointer, this.mResampledBuffer.pointer, i.pointer); if (o.free(), i.free(), u !== v) throw new Error("Resampling error."); var a = this._opus_encode_float(this.encoder, this.mResampledBuffer.pointer, this.outputSamplePerChannel, this.mOutputBuffer.pointer, this.mOutputBuffer.length); if (a < 0) throw new Error("Opus encoding error."); this._container.writeFrame(this.mOutputBuffer.pointer, a, this.outputSamplePerChannel), this.inputBufferIndex = 0 } n += r } } }, { key: "close", value: function() { for (var t = this.config.channelCount, n = [], r = 0; r < t; ++r) n.push(new Float32Array(h - this.inputBufferIndex / t)); this.encode(n), e.destroy(this._container), this.mInputBuffer.free(), this.mResampledBuffer.free(), this.mOutputBuffer.free(), this._opus_encoder_destroy(this.encoder), this._speex_resampler_destroy(this.resampler) } }, { key: "interleave", value: function(e) { var t = e.length; if (1 === t) return e[0]; for (var n = 0; n < t; n++) for (var r = e[n], o = 0; o < r.length; o++) this.interleavedBuffers[o * t + n] = r[o]; return this.interleavedBuffers } }, { key: "OpusInitCodec", value: function(e, t) { var n = arguments.length > 2 && void 0 !== arguments[2] ? arguments[2] : void 0, r = this.memory.mallocUint32(void 0); this.encoder = this._opus_encoder_create(e, t, u, r.pointer); var o = r.value; if (r.free(), o !== m) throw new Error("Opus encodor initialization failed."); n && this.OpusSetOpusControl(y, n) } }, { key: "OpusSetOpusControl", value: function(e, t) { var n = this.memory.mallocInt32(t); this._opus_encoder_ctl(this.encoder, e, n.pointer), n.free() } }, { key: "SpeexInitResampler", value: function(e, t, n) { var r = this.memory.mallocUint32(void 0); this.resampler = this._speex_resampler_init(n, e, t, d, r.pointer); var o = r.value; if (r.free(), o !== v) throw new Error("Initializing resampler failed.") } }]), t }(); e.init = function(t, n, r) { e.encodedBuffers = [], e.encoder = new b(t, n, r) }, e.encode = function(t) { e.encoder.encode(t) }, e.flush = function() { return e.encodedBuffers.splice(0, e.encodedBuffers.length) }, e.close = function() { e.encoder.close() }; var g, w = {}; for (g in e) e.hasOwnProperty(g) && (w[g] = e[g]); var A = [], C = !1, S = !1, x = !1, P = !1; C = "object" === ("undefined" == typeof window ? 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