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strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nvar _microphone = require('./microphone');\n\nvar _microphone2 = _interopRequireDefault(_microphone);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nvar defaultConfig = {\n  nFrequencyBars: 255,\n  onAnalysed: null\n};\n\nvar Recorder = function () {\n  function Recorder(audioContext) {\n    var config = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n\n    _classCallCheck(this, Recorder);\n\n    this.config = Object.assign({}, defaultConfig, config);\n\n    this.audioContext = audioContext;\n    this.audioInput = null;\n    this.realAudioInput = null;\n    this.inputPoint = null;\n    this.audioRecorder = null;\n    this.rafID = null;\n    this.analyserContext = null;\n    this.recIndex = 0;\n    this.stream = null;\n\n    this.updateAnalysers = this.updateAnalysers.bind(this);\n  }\n\n  _createClass(Recorder, [{\n    key: 'init',\n    value: function init(stream) {\n      var _this = this;\n\n      return new Promise(function (resolve) {\n        _this.inputPoint = _this.audioContext.createGain();\n\n        _this.stream = stream;\n\n        _this.realAudioInput = _this.audioContext.createMediaStreamSource(stream);\n        _this.audioInput = _this.realAudioInput;\n        _this.audioInput.connect(_this.inputPoint);\n\n        _this.analyserNode = _this.audioContext.createAnalyser();\n        _this.analyserNode.fftSize = 2048;\n        _this.inputPoint.connect(_this.analyserNode);\n\n        _this.audioRecorder = new _microphone2.default(_this.inputPoint);\n\n        var zeroGain = _this.audioContext.createGain();\n        zeroGain.gain.value = 0.0;\n\n        _this.inputPoint.connect(zeroGain);\n        zeroGain.connect(_this.audioContext.destination);\n\n        _this.updateAnalysers();\n\n        resolve();\n      });\n    }\n  }, {\n    key: 'start',\n    value: function start() {\n      var _this2 = this;\n\n      return new Promise(function (resolve, reject) {\n        if (!_this2.audioRecorder) {\n          reject('Not currently recording');\n          return;\n        }\n\n        _this2.audioRecorder.clear();\n        _this2.audioRecorder.record();\n\n        resolve(_this2.stream);\n      });\n    }\n  }, {\n    key: 'stop',\n    value: function stop() {\n      var _this3 = this;\n\n      return new Promise(function (resolve) {\n        _this3.audioRecorder.stop();\n\n        _this3.audioRecorder.getBuffer(function (buffer) {\n          _this3.audioRecorder.exportWAV(function (blob) {\n            return resolve({ buffer: buffer, blob: blob });\n          });\n        });\n      });\n    }\n  }, {\n    key: 'updateAnalysers',\n    value: function updateAnalysers() {\n      if (this.config.onAnalysed) {\n        requestAnimationFrame(this.updateAnalysers);\n\n        var freqByteData = new Uint8Array(this.analyserNode.frequencyBinCount);\n\n        this.analyserNode.getByteFrequencyData(freqByteData);\n\n        var data = new Array(255);\n        var lastNonZero = 0;\n        var datum = void 0;\n\n        for (var idx = 0; idx < 255; idx += 1) {\n          datum = Math.floor(freqByteData[idx]) - Math.floor(freqByteData[idx]) % 5;\n\n          if (datum !== 0) {\n            lastNonZero = idx;\n          }\n\n          data[idx] = datum;\n        }\n\n        this.config.onAnalysed({ data: data, lineTo: lastNonZero });\n      }\n    }\n  }, {\n    key: 'setOnAnalysed',\n    value: function setOnAnalysed(handler) {\n      this.config.onAnalysed = handler;\n    }\n  }]);\n\n  return Recorder;\n}();\n\nRecorder.download = function download(blob) {\n  var filename = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'audio';\n\n  _microphone2.default.forceDownload(blob, filename + '.wav');\n};\n\nexports.default = Recorder;","import Recorder from \"recorder-js\";\r\n\r\nimport { Recording } from \"@/core/models\";\r\nimport i18n from \"@/core/plugins/i18n\";\r\nimport { getInputDevice } from \"./devices\";\r\n\r\ntype Status = {\r\n  vol: number;\r\n  duration: number;\r\n};\r\nexport default class {\r\n  interval: any;\r\n  muted = false;\r\n  prevGain = 1;\r\n  isRecording = false;\r\n  recorder?: Recorder;\r\n  onupdate: (status: Status) => void;\r\n\r\n  gainNode?: GainNode;\r\n  stream?: MediaStream;\r\n  context?: AudioContext;\r\n  analyzer?: AnalyserNode;\r\n  src?: MediaStreamAudioSourceNode;\r\n  dest?: MediaStreamAudioDestinationNode;\r\n\r\n  constructor(onupdate: (status: Status) => void = () => {}) {\r\n    this.onupdate = onupdate;\r\n  }\r\n\r\n  async start() {\r\n    const inputDevice = getInputDevice();\r\n    const constraints: MediaStreamConstraints = {\r\n      video: false,\r\n      audio: {\r\n        channelCount: 1,\r\n        echoCancellation: false,\r\n        deviceId: inputDevice ? { exact: inputDevice } : undefined,\r\n      },\r\n    };\r\n\r\n    try {\r\n      const stream = await navigator.mediaDevices.getUserMedia(constraints);\r\n      this.stream = stream;\r\n      this._micCaptured(stream);\r\n      return true;\r\n    } catch (error) {\r\n      this.stream?.getTracks().forEach(t => t.stop());\r\n      console.log(\"Mic error\", error);\r\n      return false;\r\n    }\r\n  }\r\n\r\n  async stop() {\r\n    const res = await this.recorder?.stop();\r\n    await this.stopAudio();\r\n    this.isRecording = false;\r\n\r\n    if (!res) return null;\r\n\r\n    const { blob } = res;\r\n    const now = new Date();\r\n    const record = {\r\n      blob,\r\n      recordedAt: now.toISOString(),\r\n      title: `${i18n.t(\"rec.prefix\")} ${now.toLocaleString()}`,\r\n    } as Recording;\r\n    return record;\r\n  }\r\n\r\n  async cancel() {\r\n    await this.recorder?.stop();\r\n    await this.stopAudio();\r\n  }\r\n\r\n  async stopAudio() {\r\n    clearInterval(this.interval);\r\n    this.stream?.getTracks().forEach((track: MediaStreamTrack) => track.stop());\r\n    this.src?.disconnect();\r\n    this.analyzer?.disconnect();\r\n    await this.context?.close();\r\n  }\r\n\r\n  toggleMuted() {\r\n    // todo - transcription must be paused, not stopped\r\n    if (this.muted)\r\n      this.gainNode?.gain.setValueAtTime(\r\n        this.prevGain,\r\n        this.context?.currentTime || 0,\r\n      );\r\n    else this.gainNode?.gain.setValueAtTime(0, this.context?.currentTime || 0);\r\n    this.muted = !this.muted;\r\n  }\r\n\r\n  setVolume(value: number) {\r\n    if (value == 0) this.toggleMuted();\r\n    else {\r\n      this.gainNode?.gain.setValueAtTime(value, this.context?.currentTime || 0);\r\n      this.prevGain = value;\r\n    }\r\n  }\r\n\r\n  async _micCaptured(stream: MediaStream) {\r\n    // @ts-ignore\r\n    this.context = new (window.AudioContext || window.webkitAudioContext)();\r\n    this.analyzer = this.context.createAnalyser();\r\n    this.src = this.context.createMediaStreamSource(stream);\r\n    this.dest = this.context.createMediaStreamDestination();\r\n    this.gainNode = this.context.createGain();\r\n\r\n    this.analyzer.fftSize = 256;\r\n    this.src.connect(this.analyzer);\r\n    this.analyzer.connect(this.gainNode);\r\n    this.gainNode.connect(this.dest);\r\n\r\n    this.interval = setInterval(() => {\r\n      if (!this.analyzer) return;\r\n      const buffer = new Uint8Array(this.analyzer.frequencyBinCount);\r\n      this.analyzer.getByteFrequencyData(buffer);\r\n      const sum = buffer.reduce((cum, curr) => cum + curr, 0);\r\n      const vol = sum / buffer.length;\r\n      const duration = this.context?.currentTime || 0;\r\n      this.onupdate({ vol, duration });\r\n    }, 50);\r\n\r\n    this.recorder = new Recorder(this.context);\r\n    await this.recorder.init(this.dest.stream);\r\n    await this.recorder.start();\r\n    this.isRecording = true;\r\n  }\r\n}\r\n","var WORKER_ENABLED = !!(global === global.window && global.URL && global.Blob && global.Worker);\n\nfunction InlineWorker(func, self) {\n  var _this = this;\n  var functionBody;\n\n  self = self || {};\n\n  if (WORKER_ENABLED) {\n    functionBody = func.toString().trim().match(\n      /^function\\s*\\w*\\s*\\([\\w\\s,]*\\)\\s*{([\\w\\W]*?)}$/\n    )[1];\n\n    return new global.Worker(global.URL.createObjectURL(\n      new global.Blob([ functionBody ], { type: \"text/javascript\" })\n    ));\n  }\n\n  function postMessage(data) {\n    setTimeout(function() {\n      _this.onmessage({ data: data });\n    }, 0);\n  }\n\n  this.self = self;\n  this.self.postMessage = postMessage;\n\n  setTimeout(func.bind(self, self), 0);\n}\n\nInlineWorker.prototype.postMessage = function postMessage(data) {\n  var _this = this;\n\n  setTimeout(function() {\n    _this.self.onmessage({ data: data });\n  }, 0);\n};\n\nmodule.exports = InlineWorker;\n","'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); /* eslint-disable */\n/**\n * License (MIT)\n *\n * Copyright © 2013 Matt Diamond\n *\n * Permission is hereby granted, free of charge, to any person obtaining a\n * copy of this software and associated documentation files (the \"Software\"),\n * to deal in the Software without restriction, including without limitation\n * the rights to use, copy, modify, merge, publish, distribute, sublicense,\n * and/or sell copies of the Software, and to permit persons to whom the\n * Software is furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included\n * in all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL\n * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\n *\n */\n\n\nvar _inlineWorker = require('inline-worker');\n\nvar _inlineWorker2 = _interopRequireDefault(_inlineWorker);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nvar defaultConfig = {\n  bufferLen: 4096,\n  numChannels: 2,\n  mimeType: 'audio/wav'\n};\n\nvar Microphone = function () {\n  function Microphone(source, config) {\n    var _this = this;\n\n    _classCallCheck(this, Microphone);\n\n    this.config = Object.assign({}, defaultConfig, config);\n\n    this.recording = false;\n\n    this.callbacks = {\n      getBuffer: [],\n      exportWAV: []\n    };\n\n    this.context = source.context;\n    this.node = (this.context.createScriptProcessor || this.context.createJavaScriptNode).call(this.context, this.config.bufferLen, this.config.numChannels, this.config.numChannels);\n\n    this.node.onaudioprocess = function (e) {\n      if (!_this.recording) return;\n\n      var buffer = [];\n      for (var channel = 0; channel < _this.config.numChannels; channel++) {\n        buffer.push(e.inputBuffer.getChannelData(channel));\n      }\n      _this.worker.postMessage({\n        command: 'record',\n        buffer: buffer\n      });\n    };\n\n    source.connect(this.node);\n    this.node.connect(this.context.destination); //this should not be necessary\n\n    var self = {};\n    this.worker = new _inlineWorker2.default(function () {\n      var recLength = 0,\n          recBuffers = [],\n          sampleRate = void 0,\n          numChannels = void 0;\n\n      this.onmessage = function (e) {\n        switch (e.data.command) {\n          case 'init':\n            init(e.data.config);\n            break;\n          case 'record':\n            record(e.data.buffer);\n            break;\n          case 'exportWAV':\n            exportWAV(e.data.type);\n            break;\n          case 'getBuffer':\n            getBuffer();\n            break;\n          case 'clear':\n            clear();\n            break;\n        }\n      };\n\n      function init(config) {\n        sampleRate = config.sampleRate;\n        numChannels = config.numChannels;\n        initBuffers();\n      }\n\n      function record(inputBuffer) {\n        for (var channel = 0; channel < numChannels; channel++) {\n          recBuffers[channel].push(inputBuffer[channel]);\n        }\n        recLength += inputBuffer[0].length;\n      }\n\n      function exportWAV(type) {\n        var buffers = [];\n        for (var channel = 0; channel < numChannels; channel++) {\n          buffers.push(mergeBuffers(recBuffers[channel], recLength));\n        }\n        var interleaved = void 0;\n        if (numChannels === 2) {\n          interleaved = interleave(buffers[0], buffers[1]);\n        } else {\n          interleaved = buffers[0];\n        }\n        var dataview = encodeWAV(interleaved);\n        var audioBlob = new Blob([dataview], { type: type });\n\n        this.postMessage({ command: 'exportWAV', data: audioBlob });\n      }\n\n      function getBuffer() {\n        var buffers = [];\n        for (var channel = 0; channel < numChannels; channel++) {\n          buffers.push(mergeBuffers(recBuffers[channel], recLength));\n        }\n        this.postMessage({ command: 'getBuffer', data: buffers });\n      }\n\n      function clear() {\n        recLength = 0;\n        recBuffers = [];\n        initBuffers();\n      }\n\n      function initBuffers() {\n        for (var channel = 0; channel < numChannels; channel++) {\n          recBuffers[channel] = [];\n        }\n      }\n\n      function mergeBuffers(recBuffers, recLength) {\n        var result = new Float32Array(recLength);\n        var offset = 0;\n        for (var i = 0; i < recBuffers.length; i++) {\n          result.set(recBuffers[i], offset);\n          offset += recBuffers[i].length;\n        }\n        return result;\n      }\n\n      function interleave(inputL, inputR) {\n        var length = inputL.length + inputR.length;\n        var result = new Float32Array(length);\n\n        var index = 0,\n            inputIndex = 0;\n\n        while (index < length) {\n          result[index++] = inputL[inputIndex];\n          result[index++] = inputR[inputIndex];\n          inputIndex++;\n        }\n        return result;\n      }\n\n      function floatTo16BitPCM(output, offset, input) {\n        for (var i = 0; i < input.length; i++, offset += 2) {\n          var s = Math.max(-1, Math.min(1, input[i]));\n          output.setInt16(offset, s < 0 ? s * 0x8000 : s * 0x7FFF, true);\n        }\n      }\n\n      function writeString(view, offset, string) {\n        for (var i = 0; i < string.length; i += 1) {\n          view.setUint8(offset + i, string.charCodeAt(i));\n        }\n      }\n\n      function encodeWAV(samples) {\n        var buffer = new ArrayBuffer(44 + samples.length * 2);\n        var view = new DataView(buffer);\n\n        /* RIFF identifier */\n        writeString(view, 0, 'RIFF');\n        /* RIFF chunk length */\n        view.setUint32(4, 36 + samples.length * 2, true);\n        /* RIFF type */\n        writeString(view, 8, 'WAVE');\n        /* format chunk identifier */\n        writeString(view, 12, 'fmt ');\n        /* format chunk length */\n        view.setUint32(16, 16, true);\n        /* sample format (raw) */\n        view.setUint16(20, 1, true);\n        /* channel count */\n        view.setUint16(22, numChannels, true);\n        /* sample rate */\n        view.setUint32(24, sampleRate, true);\n        /* byte rate (sample rate * block align) */\n        view.setUint32(28, sampleRate * 4, true);\n        /* block align (channel count * bytes per sample) */\n        view.setUint16(32, numChannels * 2, true);\n        /* bits per sample */\n        view.setUint16(34, 16, true);\n        /* data chunk identifier */\n        writeString(view, 36, 'data');\n        /* data chunk length */\n        view.setUint32(40, samples.length * 2, true);\n\n        floatTo16BitPCM(view, 44, samples);\n\n        return view;\n      }\n    }, self);\n\n    this.worker.postMessage({\n      command: 'init',\n      config: {\n        sampleRate: this.context.sampleRate,\n        numChannels: this.config.numChannels\n      }\n    });\n\n    this.worker.onmessage = function (e) {\n      var cb = _this.callbacks[e.data.command].pop();\n      if (typeof cb === 'function') {\n        cb(e.data.data);\n      }\n    };\n  }\n\n  _createClass(Microphone, [{\n    key: 'record',\n    value: function record() {\n      this.recording = true;\n    }\n  }, {\n    key: 'stop',\n    value: function stop() {\n      this.recording = false;\n    }\n  }, {\n    key: 'clear',\n    value: function clear() {\n      this.worker.postMessage({ command: 'clear' });\n    }\n  }, {\n    key: 'getBuffer',\n    value: function getBuffer(cb) {\n      cb = cb || this.config.callback;\n\n      if (!cb) throw new Error('Callback not set');\n\n      this.callbacks.getBuffer.push(cb);\n\n      this.worker.postMessage({ command: 'getBuffer' });\n    }\n  }, {\n    key: 'exportWAV',\n    value: function exportWAV(cb, mimeType) {\n      mimeType = mimeType || this.config.mimeType;\n      cb = cb || this.config.callback;\n\n      if (!cb) throw new Error('Callback not set');\n\n      this.callbacks.exportWAV.push(cb);\n\n      this.worker.postMessage({\n        command: 'exportWAV',\n        type: mimeType\n      });\n    }\n  }]);\n\n  return Microphone;\n}();\n\nMicrophone.forceDownload = function forceDownload(blob, filename) {\n  var a = document.createElement('a');\n\n  a.style = 'display: none';\n  document.body.appendChild(a);\n\n  var url = window.URL.createObjectURL(blob);\n\n  a.href = url;\n  a.download = filename;\n  a.click();\n\n  window.URL.revokeObjectURL(url);\n\n  document.body.removeChild(a);\n};\n\nexports.default = Microphone;","import LocalStorage from \"@/core/utils/LocalStorage\";\r\n\r\ntype DeviceType = \"video\" | \"audio\";\r\nexport interface Device {\r\n  id: string;\r\n  name: string;\r\n}\r\n\r\nexport const selectDevice = (id: string, type: DeviceType = \"audio\") => {\r\n  if (type === \"audio\") LocalStorage.setInputDevice(id);\r\n  else LocalStorage.setVideoInputDevice(id);\r\n};\r\n\r\nexport const getInputDevice = (type: DeviceType = \"audio\") => {\r\n  return type === \"audio\"\r\n    ? LocalStorage.getInputDevice()\r\n    : LocalStorage.getVideoInputDevice();\r\n};\r\n\r\nexport const getDevices = async (\r\n  type: DeviceType = \"audio\",\r\n): Promise<Device[]> => {\r\n  if (!navigator.mediaDevices || !navigator.mediaDevices.enumerateDevices) {\r\n    console.log(\"enumerateDevices() not supported.\");\r\n    return [];\r\n  }\r\n\r\n  const inputDevice = getInputDevice();\r\n  const constraints: MediaStreamConstraints =\r\n    type === \"audio\"\r\n      ? {\r\n          video: false,\r\n          audio: {\r\n            channelCount: 1,\r\n            echoCancellation: false,\r\n            deviceId: inputDevice || undefined,\r\n          },\r\n        }\r\n      : {\r\n          audio: false,\r\n          video: {\r\n            deviceId: inputDevice || undefined,\r\n          },\r\n        };\r\n\r\n  try {\r\n    const stream = await navigator.mediaDevices.getUserMedia(constraints);\r\n    stream.getTracks().forEach(t => t.stop());\r\n  } catch (error) {\r\n    console.warn(\r\n      `Warning: Access to ${\r\n        type === \"audio\" ? \"microphone\" : \"camera\"\r\n      } denied.`,\r\n      error,\r\n    );\r\n  }\r\n\r\n  try {\r\n    const devices = await navigator.mediaDevices.enumerateDevices();\r\n    const deviceType: MediaDeviceKind =\r\n      type === \"audio\" ? \"audioinput\" : \"videoinput\";\r\n\r\n    const inputDevices = devices\r\n      .filter(device => device.kind === deviceType)\r\n      .map(device => ({\r\n        id: device.deviceId,\r\n        name: device.label || `Unknown device (${type})`,\r\n      }));\r\n\r\n    if (!inputDevice && inputDevices.length > 0)\r\n      selectDevice(inputDevices[0].id, type);\r\n\r\n    console.log(`Found devices (${type}):`, inputDevices);\r\n\r\n    return inputDevices;\r\n  } catch (error) {\r\n    console.error(\"Error while listing devices:\", error);\r\n    return [];\r\n  }\r\n};\r\n","module.exports = require('./lib/index.js');\n"],"sourceRoot":""}