This repository has been archived on 2026-05-25. You can view files and clone it. You cannot open issues or pull requests or push a commit.
Files
komuniki-jitsi-ui/jitsi-meet/libs/flacEncodeWorker.min.map
Antoine Ouvrard d3277d6563 initial commit
2020-11-23 10:28:32 +01:00

1 line
19 KiB
Plaintext

{"version":3,"sources":["webpack:///webpack/bootstrap","webpack:///./react/features/local-recording/recording/flac/flacEncodeWorker.js","webpack:///./react/features/local-recording/recording/flac/messageTypes.js"],"names":["installedModules","__webpack_require__","moduleId","exports","module","i","l","modules","call","m","c","d","name","getter","o","Object","defineProperty","enumerable","get","r","Symbol","toStringTag","value","t","mode","__esModule","ns","create","key","bind","n","object","property","prototype","hasOwnProperty","p","s","self","FLAC_SCRIPT_LOCATION","importScripts","FLAC_ERRORS","0","1","2","3","4","5","6","7","8","EncoderState","freeze","UNINTIALIZED","WORKING","FINISHED","Encoder","constructor","sampleRate","bitDepth","bufferSize","Flac","isReady","Error","this","_sampleRate","_bitDepth","_bufferSize","_encoderId","init_libflac_encoder","init_encoder_stream","_onEncodedData","_onMetadataAvailable","_state","encode","audioData","bufferLength","length","bufferI32","Int32Array","view","DataView","buffer","index","setInt32","FLAC__stream_encoder_process_interleaved","errorNo","FLAC__stream_encoder_get_state","console","error","finish","status","FLAC__stream_encoder_finish","log","FLAC__stream_encoder_delete","_data","_exportFlacBlob","getBlob","samples","arrays","totalLength","result","Uint8Array","offset","len","set","mergeUint8Arrays","_flacBuffers","_flacLength","Blob","type","bytes","push","byteLength","encoder","onmessage","e","data","command","bps","config","postMessage","onready","setTimeout","buf"],"mappings":"aACE,IAAIA,EAAmB,GAGvB,SAASC,EAAoBC,GAG5B,GAAGF,EAAiBE,GACnB,OAAOF,EAAiBE,GAAUC,QAGnC,IAAIC,EAASJ,EAAiBE,GAAY,CACzCG,EAAGH,EACHI,GAAG,EACHH,QAAS,IAUV,OANAI,EAAQL,GAAUM,KAAKJ,EAAOD,QAASC,EAAQA,EAAOD,QAASF,GAG/DG,EAAOE,GAAI,EAGJF,EAAOD,QAKfF,EAAoBQ,EAAIF,EAGxBN,EAAoBS,EAAIV,EAGxBC,EAAoBU,EAAI,SAASR,EAASS,EAAMC,GAC3CZ,EAAoBa,EAAEX,EAASS,IAClCG,OAAOC,eAAeb,EAASS,EAAM,CAAEK,YAAY,EAAMC,IAAKL,KAKhEZ,EAAoBkB,EAAI,SAAShB,GACX,oBAAXiB,QAA0BA,OAAOC,aAC1CN,OAAOC,eAAeb,EAASiB,OAAOC,YAAa,CAAEC,MAAO,WAE7DP,OAAOC,eAAeb,EAAS,aAAc,CAAEmB,OAAO,KAQvDrB,EAAoBsB,EAAI,SAASD,EAAOE,GAEvC,GADU,EAAPA,IAAUF,EAAQrB,EAAoBqB,IAC/B,EAAPE,EAAU,OAAOF,EACpB,GAAW,EAAPE,GAA8B,iBAAVF,GAAsBA,GAASA,EAAMG,WAAY,OAAOH,EAChF,IAAII,EAAKX,OAAOY,OAAO,MAGvB,GAFA1B,EAAoBkB,EAAEO,GACtBX,OAAOC,eAAeU,EAAI,UAAW,CAAET,YAAY,EAAMK,MAAOA,IACtD,EAAPE,GAA4B,iBAATF,EAAmB,IAAI,IAAIM,KAAON,EAAOrB,EAAoBU,EAAEe,EAAIE,EAAK,SAASA,GAAO,OAAON,EAAMM,IAAQC,KAAK,KAAMD,IAC9I,OAAOF,GAIRzB,EAAoB6B,EAAI,SAAS1B,GAChC,IAAIS,EAAST,GAAUA,EAAOqB,WAC7B,WAAwB,OAAOrB,EAAgB,SAC/C,WAA8B,OAAOA,GAEtC,OADAH,EAAoBU,EAAEE,EAAQ,IAAKA,GAC5BA,GAIRZ,EAAoBa,EAAI,SAASiB,EAAQC,GAAY,OAAOjB,OAAOkB,UAAUC,eAAe1B,KAAKuB,EAAQC,IAGzG/B,EAAoBkC,EAAI,SAIjBlC,EAAoBA,EAAoBmC,EAAI,G,8JCrErDC,KAAKC,qBAAuB,SAE5BC,cAAc,+BAcd,MAAMC,EAAc,CAEhBC,EAAG,0BAKHC,EAAG,qCAGHC,EAAG,iCAIHC,EAAG,4CAIHC,EAAG,qDAGHC,EAAG,oCAGHC,EAAG,gCAIHC,EAAG,qCAGHC,EAAG,gDAMDC,EAAenC,OAAOoC,OAAO,CAI/BC,aAAc,gBAKdC,QAAS,UAKTC,SAAU,aAiCd,MAAMC,EAuDFC,YAAYC,EAAYC,EAAW,GAAIC,EAAa,MAChD,GADsD,oBAjD7C,GAiD6C,sBA1B3C,IA0B2C,qBArB5C,GAqB4C,gBAhBjDT,EAAaE,cAgBoC,eAXlD,MAWkD,8BAyKnC,SAxKdQ,KAAKC,UACN,MAAM,IAAIC,MAAM,6BA2BpB,GAxBAC,KAAKC,YAAcP,EACnBM,KAAKE,UAAYP,EACjBK,KAAKG,YAAcP,EAGnBI,KAAKI,WAAaP,KAAKQ,qBACnBL,KAAKC,YAGL,EACAD,KAAKE,UAjGc,EAsGnB,GAGA,EAGA,GAGoB,IAApBF,KAAKI,WACL,MAAM,IAAIL,MAAM,qCAUpB,GAAmB,IANAF,KAAKS,oBACpBN,KAAKI,WACLJ,KAAKO,eAAezC,KAAKkC,MACzBA,KAAKQ,qBAAqB1C,KAAKkC,OAI/B,MAAM,IAAID,MAAM,wCAGpBC,KAAKS,OAAStB,EAAaG,QAS/BoB,OAAOC,GACH,GAAIX,KAAKS,SAAWtB,EAAaG,QAC7B,MAAM,IAAIS,MAAM,yCAGpB,IAAKF,KAAKC,UACN,MAAM,IAAIC,MAAM,kBAEpB,MAAMa,EAAeD,EAAUE,OAYzBC,EAAY,IAAIC,WAAWH,GAC3BI,EAAO,IAAIC,SAASH,EAAUI,QAEpC,IAAIC,EAAQ,EAEZ,IAAK,IAAI7E,EAAI,EAAGA,EAAIsE,EAActE,IAC9B0E,EAAKI,SAASD,EAAO,MAAAR,EAAUrE,IAAwB,GACvD6E,GAAS,EAUb,GAAe,IANAtB,KAAKwB,yCAChBrB,KAAKI,WACLU,EACAA,EAAUD,QAGI,CAGd,MAAMS,EACAzB,KAAK0B,+BAA+BvB,KAAKI,YAE/CoB,QAAQC,MAAM,wBAAyBhD,EAAY6C,KAS3DI,SACI,GAAI1B,KAAKS,SAAWtB,EAAaG,QAAS,CACtCU,KAAKS,OAAStB,EAAaI,SAE3B,MAAMoC,EAAS9B,KAAK+B,4BAA4B5B,KAAKI,YAErDoB,QAAQK,IAAI,2BAA4BF,GAGxC9B,KAAKiC,4BAA4B9B,KAAKI,YAEtCJ,KAAK+B,MAAQ/B,KAAKgC,mBAS1BC,UACI,OAAIjC,KAAKS,SAAWtB,EAAaI,SACtBS,KAAK+B,MAGT,KASXC,kBACI,MAAME,EArNd,SAA0BC,EAAQC,GAC9B,MAAMC,EAAS,IAAIC,WAAWF,GAC9B,IAAIG,EAAS,EACb,MAAMC,EAAML,EAAOtB,OAEnB,IAAK,IAAIvE,EAAI,EAAGA,EAAIkG,EAAKlG,IAAK,CAC1B,MAAM4E,EAASiB,EAAO7F,GAEtB+F,EAAOI,IAAIvB,EAAQqB,GACnBA,GAAUrB,EAAOL,OAGrB,OAAOwB,EAyMaK,CAAiB1C,KAAK2C,aAAc3C,KAAK4C,aAIzD,OAFa,IAAIC,KAAK,CAAEX,GAAW,CAAEY,KAAM,eAe/CvC,eAAeW,EAAQ6B,GACnB/C,KAAK2C,aAAaK,KAAK9B,GACvBlB,KAAK4C,aAAe1B,EAAO+B,YAgBnC,IAAIC,EAAU,KAEd5E,KAAK6E,UAAY,SAASC,GAEtB,OAAQA,EAAEC,KAAKC,SACf,IC1U4B,mBD2U5B,CACI,MAAMC,EAAMH,EAAEC,KAAKG,OAAOD,IACpB7D,EAAa0D,EAAEC,KAAKG,OAAO9D,WAE7BG,KAAKC,WACLoD,EAAU,IAAI1D,EAAQE,EAAY6D,GAClCjF,KAAKmF,YAAY,CACbH,QCrUoB,0BDwUxBzD,KAAK6D,QAAU,WACXC,WAAW,KACPT,EAAU,IAAI1D,EAAQE,EAAY6D,GAClCjF,KAAKmF,YAAY,CACbH,QC5UY,0BD8UjB,IAGX,MAGJ,IC3VwC,+BD4VpB,OAAZJ,EACA1B,QAAQC,MAAM,kEAEdyB,EAAQxC,OAAO0C,EAAEC,KAAKO,KAE1B,MAEJ,IC/W8B,qBDgX1B,GAAgB,OAAZV,EAAkB,CAClBA,EAAQxB,SACR,MAAM2B,EAAOH,EAAQjB,UAErB3D,KAAKmF,YACD,CACIH,QC9Va,oBD+VbM,IAAKP,IAGbH,EAAU","file":"flacEncodeWorker.min.js","sourcesContent":[" \t// The module cache\n \tvar installedModules = {};\n\n \t// The require function\n \tfunction __webpack_require__(moduleId) {\n\n \t\t// Check if module is in cache\n \t\tif(installedModules[moduleId]) {\n \t\t\treturn installedModules[moduleId].exports;\n \t\t}\n \t\t// Create a new module (and put it into the cache)\n \t\tvar module = installedModules[moduleId] = {\n \t\t\ti: moduleId,\n \t\t\tl: false,\n \t\t\texports: {}\n \t\t};\n\n \t\t// Execute the module function\n \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.l = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// define getter function for harmony exports\n \t__webpack_require__.d = function(exports, name, getter) {\n \t\tif(!__webpack_require__.o(exports, name)) {\n \t\t\tObject.defineProperty(exports, name, { enumerable: true, get: getter });\n \t\t}\n \t};\n\n \t// define __esModule on exports\n \t__webpack_require__.r = function(exports) {\n \t\tif(typeof Symbol !== 'undefined' && Symbol.toStringTag) {\n \t\t\tObject.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });\n \t\t}\n \t\tObject.defineProperty(exports, '__esModule', { value: true });\n \t};\n\n \t// create a fake namespace object\n \t// mode & 1: value is a module id, require it\n \t// mode & 2: merge all properties of value into the ns\n \t// mode & 4: return value when already ns object\n \t// mode & 8|1: behave like require\n \t__webpack_require__.t = function(value, mode) {\n \t\tif(mode & 1) value = __webpack_require__(value);\n \t\tif(mode & 8) return value;\n \t\tif((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;\n \t\tvar ns = Object.create(null);\n \t\t__webpack_require__.r(ns);\n \t\tObject.defineProperty(ns, 'default', { enumerable: true, value: value });\n \t\tif(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));\n \t\treturn ns;\n \t};\n\n \t// getDefaultExport function for compatibility with non-harmony modules\n \t__webpack_require__.n = function(module) {\n \t\tvar getter = module && module.__esModule ?\n \t\t\tfunction getDefault() { return module['default']; } :\n \t\t\tfunction getModuleExports() { return module; };\n \t\t__webpack_require__.d(getter, 'a', getter);\n \t\treturn getter;\n \t};\n\n \t// Object.prototype.hasOwnProperty.call\n \t__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"/libs/\";\n\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(__webpack_require__.s = 0);\n","\nimport {\n MAIN_THREAD_FINISH,\n MAIN_THREAD_INIT,\n MAIN_THREAD_NEW_DATA_ARRIVED,\n WORKER_BLOB_READY,\n WORKER_LIBFLAC_READY\n} from './messageTypes';\n\n/**\n * WebWorker that does FLAC encoding using libflac.js\n */\n\nself.FLAC_SCRIPT_LOCATION = '/libs/';\n/* eslint-disable */\nimportScripts('/libs/libflac4-1.3.2.min.js');\n/* eslint-enable */\n\n// There is a number of API calls to libflac.js, which does not conform\n// to the camalCase naming convention, but we cannot change it.\n// So we disable the ESLint rule `new-cap` in this file.\n/* eslint-disable new-cap */\n\n// Flow will complain about the number keys in `FLAC_ERRORS`,\n// ESLint will complain about the `declare` statement.\n// As the current workaround, add an exception for eslint.\n/* eslint-disable flowtype/no-types-missing-file-annotation */\ndeclare var Flac: Object;\n\nconst FLAC_ERRORS = {\n // The encoder is in the normal OK state and samples can be processed.\n 0: 'FLAC__STREAM_ENCODER_OK',\n\n // The encoder is in the uninitialized state one of the\n // FLAC__stream_encoder_init_*() functions must be called before samples can\n // be processed.\n 1: 'FLAC__STREAM_ENCODER_UNINITIALIZED',\n\n // An error occurred in the underlying Ogg layer.\n 2: 'FLAC__STREAM_ENCODER_OGG_ERROR',\n\n // An error occurred in the underlying verify stream decoder; check\n // FLAC__stream_encoder_get_verify_decoder_state().\n 3: 'FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR',\n\n // The verify decoder detected a mismatch between the original audio signal\n // and the decoded audio signal.\n 4: 'FLAC__STREAM_ENCODER_VERIFY_MISMATCH_IN_AUDIO_DATA',\n\n // One of the callbacks returned a fatal error.\n 5: 'FLAC__STREAM_ENCODER_CLIENT_ERROR',\n\n // An I/O error occurred while opening/reading/writing a file. Check errno.\n 6: 'FLAC__STREAM_ENCODER_IO_ERROR',\n\n // An error occurred while writing the stream; usually, the write_callback\n // returned an error.\n 7: 'FLAC__STREAM_ENCODER_FRAMING_ERROR',\n\n // Memory allocation failed.\n 8: 'FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR'\n};\n\n/**\n * States of the {@code Encoder}.\n */\nconst EncoderState = Object.freeze({\n /**\n * Initial state, when libflac.js is not initialized.\n */\n UNINTIALIZED: 'uninitialized',\n\n /**\n * Actively encoding new audio bits.\n */\n WORKING: 'working',\n\n /**\n * Encoding has finished and encoded bits are available.\n */\n FINISHED: 'finished'\n});\n\n/**\n * Default FLAC compression level.\n */\nconst FLAC_COMPRESSION_LEVEL = 5;\n\n/**\n * Concat multiple Uint8Arrays into one.\n *\n * @param {Uint8Array[]} arrays - Array of Uint8 arrays.\n * @param {number} totalLength - Total length of all Uint8Arrays.\n * @returns {Uint8Array}\n */\nfunction mergeUint8Arrays(arrays, totalLength) {\n const result = new Uint8Array(totalLength);\n let offset = 0;\n const len = arrays.length;\n\n for (let i = 0; i < len; i++) {\n const buffer = arrays[i];\n\n result.set(buffer, offset);\n offset += buffer.length;\n }\n\n return result;\n}\n\n/**\n * Wrapper class around libflac API.\n */\nclass Encoder {\n\n /**\n * Flac encoder instance ID. (As per libflac.js API).\n * @private\n */\n _encoderId = 0;\n\n /**\n * Sample rate.\n * @private\n */\n _sampleRate;\n\n /**\n * Bit depth (bits per sample).\n * @private\n */\n _bitDepth;\n\n /**\n * Buffer size.\n * @private\n */\n _bufferSize;\n\n /**\n * Buffers to store encoded bits temporarily.\n */\n _flacBuffers = [];\n\n /**\n * Length of encoded FLAC bits.\n */\n _flacLength = 0;\n\n /**\n * The current state of the {@code Encoder}.\n */\n _state = EncoderState.UNINTIALIZED;\n\n /**\n * The ready-for-grab downloadable Blob.\n */\n _data = null;\n\n\n /**\n * Constructor.\n * Note: Only create instance when Flac.isReady() returns true.\n *\n * @param {number} sampleRate - Sample rate of the raw audio data.\n * @param {number} bitDepth - Bit depth (bit per sample).\n * @param {number} bufferSize - The size of each batch.\n */\n constructor(sampleRate, bitDepth = 16, bufferSize = 4096) {\n if (!Flac.isReady()) {\n throw new Error('libflac is not ready yet!');\n }\n\n this._sampleRate = sampleRate;\n this._bitDepth = bitDepth;\n this._bufferSize = bufferSize;\n\n // create the encoder\n this._encoderId = Flac.init_libflac_encoder(\n this._sampleRate,\n\n // Mono channel\n 1,\n this._bitDepth,\n\n FLAC_COMPRESSION_LEVEL,\n\n // Pass 0 in becuase of unknown total samples,\n 0,\n\n // checksum, FIXME: double-check whether this is necessary\n true,\n\n // Auto-determine block size (samples per frame)\n 0\n );\n\n if (this._encoderId === 0) {\n throw new Error('Failed to create libflac encoder.');\n }\n\n // initialize the encoder\n const initResult = Flac.init_encoder_stream(\n this._encoderId,\n this._onEncodedData.bind(this),\n this._onMetadataAvailable.bind(this)\n );\n\n if (initResult !== 0) {\n throw new Error('Failed to initalise libflac encoder.');\n }\n\n this._state = EncoderState.WORKING;\n }\n\n /**\n * Receive and encode new data.\n *\n * @param {Float32Array} audioData - Raw audio data.\n * @returns {void}\n */\n encode(audioData) {\n if (this._state !== EncoderState.WORKING) {\n throw new Error('Encoder is not ready or has finished.');\n }\n\n if (!Flac.isReady()) {\n throw new Error('Flac not ready');\n }\n const bufferLength = audioData.length;\n\n // Convert sample to signed 32-bit integers.\n // According to libflac documentation:\n // each sample in the buffers should be a signed integer,\n // right-justified to the resolution set by\n // FLAC__stream_encoder_set_bits_per_sample().\n\n // Here we are using 16 bits per sample, the samples should all be in\n // the range [-32768,32767]. This is achieved by multipling Float32\n // numbers with 0x7FFF.\n\n const bufferI32 = new Int32Array(bufferLength);\n const view = new DataView(bufferI32.buffer);\n const volume = 1;\n let index = 0;\n\n for (let i = 0; i < bufferLength; i++) {\n view.setInt32(index, audioData[i] * (0x7FFF * volume), true);\n index += 4; // 4 bytes (32-bit)\n }\n\n // pass it to libflac\n const status = Flac.FLAC__stream_encoder_process_interleaved(\n this._encoderId,\n bufferI32,\n bufferI32.length\n );\n\n if (status !== 1) {\n // gets error number\n\n const errorNo\n = Flac.FLAC__stream_encoder_get_state(this._encoderId);\n\n console.error('Error during encoding', FLAC_ERRORS[errorNo]);\n }\n }\n\n /**\n * Signals the termination of encoding.\n *\n * @returns {void}\n */\n finish() {\n if (this._state === EncoderState.WORKING) {\n this._state = EncoderState.FINISHED;\n\n const status = Flac.FLAC__stream_encoder_finish(this._encoderId);\n\n console.log('Flac encoding finished: ', status);\n\n // free up resources\n Flac.FLAC__stream_encoder_delete(this._encoderId);\n\n this._data = this._exportFlacBlob();\n }\n }\n\n /**\n * Gets the encoded flac file.\n *\n * @returns {Blob} - The encoded flac file.\n */\n getBlob() {\n if (this._state === EncoderState.FINISHED) {\n return this._data;\n }\n\n return null;\n }\n\n /**\n * Converts flac buffer to a Blob.\n *\n * @private\n * @returns {void}\n */\n _exportFlacBlob() {\n const samples = mergeUint8Arrays(this._flacBuffers, this._flacLength);\n\n const blob = new Blob([ samples ], { type: 'audio/flac' });\n\n return blob;\n }\n\n /* eslint-disable no-unused-vars */\n /**\n * Callback function for saving encoded Flac data.\n * This is invoked by libflac.\n *\n * @private\n * @param {Uint8Array} buffer - The encoded Flac data.\n * @param {number} bytes - Number of bytes in the data.\n * @returns {void}\n */\n _onEncodedData(buffer, bytes) {\n this._flacBuffers.push(buffer);\n this._flacLength += buffer.byteLength;\n }\n /* eslint-enable no-unused-vars */\n\n /**\n * Callback function for receiving metadata.\n *\n * @private\n * @returns {void}\n */\n _onMetadataAvailable = () => {\n // reserved for future use\n }\n}\n\n\nlet encoder = null;\n\nself.onmessage = function(e) {\n\n switch (e.data.command) {\n case MAIN_THREAD_INIT:\n {\n const bps = e.data.config.bps;\n const sampleRate = e.data.config.sampleRate;\n\n if (Flac.isReady()) {\n encoder = new Encoder(sampleRate, bps);\n self.postMessage({\n command: WORKER_LIBFLAC_READY\n });\n } else {\n Flac.onready = function() {\n setTimeout(() => {\n encoder = new Encoder(sampleRate, bps);\n self.postMessage({\n command: WORKER_LIBFLAC_READY\n });\n }, 0);\n };\n }\n break;\n }\n\n case MAIN_THREAD_NEW_DATA_ARRIVED:\n if (encoder === null) {\n console.error('flacEncoderWorker received data when the encoder is not ready.');\n } else {\n encoder.encode(e.data.buf);\n }\n break;\n\n case MAIN_THREAD_FINISH:\n if (encoder !== null) {\n encoder.finish();\n const data = encoder.getBlob();\n\n self.postMessage(\n {\n command: WORKER_BLOB_READY,\n buf: data\n }\n );\n encoder = null;\n }\n break;\n }\n};\n","/**\n * Types of messages that are passed between the main thread and the WebWorker\n * ({@code flacEncodeWorker})\n */\n\n// Messages sent by the main thread\n\n/**\n * Message type that signals the termination of encoding,\n * after which no new audio bits should be sent to the\n * WebWorker.\n */\nexport const MAIN_THREAD_FINISH = 'MAIN_THREAD_FINISH';\n\n/**\n * Message type that carries initial parameters for\n * the WebWorker.\n */\nexport const MAIN_THREAD_INIT = 'MAIN_THREAD_INIT';\n\n/**\n * Message type that carries the newly received raw audio bits\n * for the WebWorker to encode.\n */\nexport const MAIN_THREAD_NEW_DATA_ARRIVED = 'MAIN_THREAD_NEW_DATA_ARRIVED';\n\n// Messages sent by the WebWorker\n\n/**\n * Message type that signals libflac is ready to receive audio bits.\n */\nexport const WORKER_LIBFLAC_READY = 'WORKER_LIBFLAC_READY';\n\n/**\n * Message type that carries the encoded FLAC file as a Blob.\n */\nexport const WORKER_BLOB_READY = 'WORKER_BLOB_READY';\n\n// Messages sent by either the main thread or the WebWorker\n\n/**\n * Debug messages.\n */\nexport const DEBUG = 'DEBUG';\n"],"sourceRoot":""}