365 lines
13 KiB
JavaScript
365 lines
13 KiB
JavaScript
"use strict";
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(globalThis["webpackChunktinode_webapp"] = globalThis["webpackChunktinode_webapp"] || []).push([["src_widgets_audio-recorder_jsx"],{
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/***/ "./src/widgets/audio-recorder.jsx":
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/*!****************************************!*\
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!*** ./src/widgets/audio-recorder.jsx ***!
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\****************************************/
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/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {
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__webpack_require__.r(__webpack_exports__);
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/* harmony export */ __webpack_require__.d(__webpack_exports__, {
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/* harmony export */ "default": () => (__WEBPACK_DEFAULT_EXPORT__)
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/* harmony export */ });
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/* harmony import */ var react__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! react */ "react");
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/* harmony import */ var react__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(react__WEBPACK_IMPORTED_MODULE_0__);
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/* harmony import */ var react_intl__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! react-intl */ "react-intl");
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/* harmony import */ var react_intl__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(react_intl__WEBPACK_IMPORTED_MODULE_1__);
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/* harmony import */ var _audio_player_jsx__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./audio-player.jsx */ "./src/widgets/audio-player.jsx");
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/* harmony import */ var webm_duration_fix__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! webm-duration-fix */ "./node_modules/webm-duration-fix/lib/index.js");
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/* harmony import */ var webm_duration_fix__WEBPACK_IMPORTED_MODULE_3___default = /*#__PURE__*/__webpack_require__.n(webm_duration_fix__WEBPACK_IMPORTED_MODULE_3__);
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/* harmony import */ var _lib_blob_helpers_js__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! ../lib/blob-helpers.js */ "./src/lib/blob-helpers.js");
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/* harmony import */ var _lib_strformat__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(/*! ../lib/strformat */ "./src/lib/strformat.js");
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/* harmony import */ var _config_js__WEBPACK_IMPORTED_MODULE_6__ = __webpack_require__(/*! ../config.js */ "./src/config.js");
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const BUFFER_SIZE = 256;
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const CANVAS_UPSCALING = 2.0;
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const LINE_WIDTH = 3 * CANVAS_UPSCALING;
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const SPACING = 2 * CANVAS_UPSCALING;
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const MILLIS_PER_BAR = 100;
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const BAR_COLOR = '#BBBD';
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const BAR_SCALE = 64.0;
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const VISUALIZATION_BARS = 96;
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const MAX_SAMPLES_PER_BAR = 10;
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const AUDIO_MIME_TYPE = 'audio/webm';
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const messages = (0,react_intl__WEBPACK_IMPORTED_MODULE_1__.defineMessages)({
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icon_title_delete: {
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id: "icon_title_delete",
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defaultMessage: [{
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"type": 0,
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"value": "Delete recording"
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}]
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},
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icon_title_pause: {
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id: "icon_title_pause",
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defaultMessage: [{
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"type": 0,
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"value": "Pause playback"
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}]
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},
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icon_title_resume: {
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id: "icon_title_resume",
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defaultMessage: [{
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"type": 0,
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"value": "Resume playback"
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}]
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},
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icon_title_send: {
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id: "icon_title_send",
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defaultMessage: [{
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"type": 0,
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"value": "Send message"
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}]
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}
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});
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class AudioRecorder extends (react__WEBPACK_IMPORTED_MODULE_0___default().PureComponent) {
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constructor(props) {
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super(props);
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this.state = {
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enabled: true,
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audioRecord: null,
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recording: true,
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paused: false,
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duration: '0:00',
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blobUrl: null,
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preview: null
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};
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this.visualize = this.visualize.bind(this);
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this.initMediaRecording = this.initMediaRecording.bind(this);
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this.initCanvas = this.initCanvas.bind(this);
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this.getRecording = this.getRecording.bind(this);
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this.cleanUp = this.cleanUp.bind(this);
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this.handleResume = this.handleResume.bind(this);
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this.handlePause = this.handlePause.bind(this);
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this.handleDelete = this.handleDelete.bind(this);
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this.handleDone = this.handleDone.bind(this);
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this.durationMillis = 0;
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this.startedOn = null;
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this.viewBuffer = [];
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this.canvasRef = react__WEBPACK_IMPORTED_MODULE_0___default().createRef();
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this.recordingTimestamp = 0;
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}
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componentDidMount() {
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this.stream = null;
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this.mediaRecorder = null;
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this.audioContext = null;
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this.audioInput = null;
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this.analyser = null;
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this.audioChunks = [];
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try {
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navigator.mediaDevices.getUserMedia({
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audio: true,
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video: false
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}).then(this.initMediaRecording, this.props.onError);
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} catch (err) {
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this.props.onError(err);
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}
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}
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componentWillUnmount() {
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this.startedOn = null;
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if (this.stream) {
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this.cleanUp();
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}
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}
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visualize() {
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this.initCanvas();
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const pcmData = new Uint8Array(this.analyser.frequencyBinCount);
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const width = this.canvasWidth;
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const height = this.canvasHeight;
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const viewLength = width / (LINE_WIDTH + SPACING) | 0;
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const viewDuration = MILLIS_PER_BAR * viewLength;
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this.canvasContext.lineWidth = LINE_WIDTH;
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this.canvasContext.strokeStyle = BAR_COLOR;
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let prevBarCount = 0;
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let volume = 0.0;
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let countPerBar = 0;
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const drawFrame = _ => {
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if (!this.startedOn) {
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return;
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}
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window.requestAnimationFrame(drawFrame);
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const duration = this.durationMillis + (Date.now() - this.startedOn);
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this.setState({
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duration: (0,_lib_strformat__WEBPACK_IMPORTED_MODULE_5__.secondsToTime)(duration / 1000)
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});
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if (duration > _config_js__WEBPACK_IMPORTED_MODULE_6__.MAX_DURATION) {
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this.startedOn = null;
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this.mediaRecorder.pause();
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this.durationMillis += Date.now() - this.startedOn;
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this.setState({
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enabled: false,
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recording: false,
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duration: (0,_lib_strformat__WEBPACK_IMPORTED_MODULE_5__.secondsToTime)(this.durationMillis / 1000)
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});
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}
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this.analyser.getByteTimeDomainData(pcmData);
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let amp = 0.0;
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for (const amplitude of pcmData) {
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amp += (amplitude - 127) ** 2;
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}
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volume += Math.sqrt(amp / pcmData.length);
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countPerBar++;
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let barCount = duration / MILLIS_PER_BAR | 0;
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const dx = viewDuration > duration ? 0 : (duration - MILLIS_PER_BAR * barCount) / MILLIS_PER_BAR * (LINE_WIDTH + SPACING);
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if (prevBarCount != barCount) {
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prevBarCount = barCount;
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this.viewBuffer.push(volume / countPerBar);
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volume = 0.0;
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countPerBar = 0;
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if (this.viewBuffer.length > viewLength) {
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this.viewBuffer.shift();
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}
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}
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this.canvasContext.clearRect(0, 0, width, height);
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this.canvasContext.beginPath();
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for (let i = 0; i < this.viewBuffer.length; i++) {
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let x = i * (LINE_WIDTH + SPACING) - dx;
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let y = Math.min(this.viewBuffer[i] / BAR_SCALE, 0.9) * height;
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this.canvasContext.moveTo(x, (height - y) * 0.5);
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this.canvasContext.lineTo(x, height * 0.5 + y * 0.5);
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}
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this.canvasContext.stroke();
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const now = new Date().getTime();
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if (now - this.recordingTimestamp > _config_js__WEBPACK_IMPORTED_MODULE_6__.KEYPRESS_DELAY) {
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this.props.onRecordingProgress();
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this.recordingTimestamp = now;
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}
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};
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drawFrame();
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}
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handlePause(e) {
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e.preventDefault();
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this.mediaRecorder.pause();
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this.mediaRecorder.requestData();
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this.durationMillis += Date.now() - this.startedOn;
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this.startedOn = null;
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this.setState({
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recording: false
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});
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}
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handleResume(e) {
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e.preventDefault();
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if (this.state.enabled) {
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this.startedOn = Date.now();
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this.mediaRecorder.resume();
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this.setState({
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recording: true
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}, this.visualize);
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}
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}
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handleDelete(e) {
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e.preventDefault();
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this.durationMillis = 0;
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this.startedOn = null;
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this.mediaRecorder.stop();
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this.cleanUp();
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this.setState({
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recording: false
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});
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}
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handleDone(e) {
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e.preventDefault();
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this.setState({
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recording: false
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});
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if (this.startedOn) {
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this.durationMillis += Date.now() - this.startedOn;
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this.startedOn = null;
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}
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if (this.mediaRecorder) {
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this.mediaRecorder.stop();
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}
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}
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initCanvas() {
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this.canvasRef.current.width = this.canvasRef.current.offsetWidth * CANVAS_UPSCALING;
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this.canvasRef.current.height = this.canvasRef.current.offsetHeight * CANVAS_UPSCALING;
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this.canvasContext = this.canvasRef.current.getContext('2d');
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this.canvasContext.lineCap = 'round';
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this.canvasContext.translate(0.5, 0.5);
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this.canvasWidth = this.canvasRef.current.width;
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this.canvasHeight = this.canvasRef.current.height;
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}
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initMediaRecording(stream) {
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this.stream = stream;
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this.mediaRecorder = new MediaRecorder(stream, {
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mimeType: AUDIO_MIME_TYPE,
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audioBitsPerSecond: 24_000
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});
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this.audioContext = new AudioContext();
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this.audioInput = this.audioContext.createMediaStreamSource(stream);
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this.analyser = this.audioContext.createAnalyser();
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this.analyser.fftSize = BUFFER_SIZE;
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this.audioInput.connect(this.analyser);
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this.mediaRecorder.onstop = _ => {
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if (this.durationMillis > _config_js__WEBPACK_IMPORTED_MODULE_6__.MIN_DURATION) {
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this.getRecording(this.mediaRecorder.mimeType).then(result => this.props.onFinished(result.url, result.preview, this.durationMillis));
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} else {
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this.props.onDeleted();
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}
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this.cleanUp();
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};
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this.mediaRecorder.ondataavailable = e => {
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if (e.data.size > 0) {
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this.audioChunks.push(e.data);
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}
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if (this.mediaRecorder.state != 'inactive') {
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this.getRecording(this.mediaRecorder.mimeType).then(result => {
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this.setState({
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blobUrl: result.url,
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preview: result.preview
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});
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});
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}
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};
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this.durationMillis = 0;
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this.startedOn = Date.now();
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this.mediaRecorder.start();
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this.visualize();
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this.props.onRecordingProgress();
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this.recordingTimestamp = this.startedOn;
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}
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getRecording(mimeType) {
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mimeType = mimeType || AUDIO_MIME_TYPE;
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let blob = new Blob(this.audioChunks, {
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type: mimeType
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});
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return webm_duration_fix__WEBPACK_IMPORTED_MODULE_3___default()(blob, mimeType).then(fixedBlob => {
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blob = fixedBlob;
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return fixedBlob.arrayBuffer();
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}).then(arrayBuff => this.audioContext.decodeAudioData(arrayBuff)).then(decoded => this.createPreview(decoded)).then(preview => ({
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url: window.URL.createObjectURL(blob),
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preview: (0,_lib_blob_helpers_js__WEBPACK_IMPORTED_MODULE_4__.intArrayToBase64)(preview)
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}));
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}
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createPreview(audio) {
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const data = audio.getChannelData(0);
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const viewLength = Math.min(data.length, VISUALIZATION_BARS);
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const totalSPB = data.length / viewLength | 0;
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const samplingRate = Math.max(1, totalSPB / MAX_SAMPLES_PER_BAR | 0);
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let buffer = [];
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let max = -1;
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for (let i = 0; i < viewLength; i++) {
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let amplitude = 0;
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let count = 0;
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for (let j = 0; j < totalSPB; j += samplingRate) {
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amplitude += data[totalSPB * i + j] ** 2;
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count++;
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}
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const val = Math.sqrt(amplitude / count);
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buffer.push(val);
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max = Math.max(max, val);
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}
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if (max > 0) {
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buffer = buffer.map(a => 100 * a / max | 0);
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}
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return buffer;
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}
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cleanUp() {
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this.audioInput.disconnect();
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this.stream.getTracks().forEach(track => track.stop());
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}
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render() {
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const {
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formatMessage
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} = this.props.intl;
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const resumeClass = 'material-icons ' + (this.state.enabled ? 'red' : 'gray');
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return react__WEBPACK_IMPORTED_MODULE_0___default().createElement("div", {
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className: "audio"
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}, react__WEBPACK_IMPORTED_MODULE_0___default().createElement("a", {
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href: "#",
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onClick: this.handleDelete,
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title: formatMessage(messages.icon_title_delete)
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}, react__WEBPACK_IMPORTED_MODULE_0___default().createElement("i", {
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className: "material-icons gray"
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}, "delete_outline")), this.state.recording ? react__WEBPACK_IMPORTED_MODULE_0___default().createElement("canvas", {
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ref: this.canvasRef
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}) : react__WEBPACK_IMPORTED_MODULE_0___default().createElement(_audio_player_jsx__WEBPACK_IMPORTED_MODULE_2__["default"], {
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src: this.state.blobUrl,
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preview: this.state.preview,
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duration: this.durationMillis,
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short: true
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}), react__WEBPACK_IMPORTED_MODULE_0___default().createElement("div", {
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className: "duration"
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}, this.state.duration), this.state.recording ? react__WEBPACK_IMPORTED_MODULE_0___default().createElement("a", {
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href: "#",
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onClick: this.handlePause,
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title: formatMessage(messages.icon_title_pause)
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}, react__WEBPACK_IMPORTED_MODULE_0___default().createElement("i", {
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className: "material-icons"
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}, "pause_circle_outline")) : react__WEBPACK_IMPORTED_MODULE_0___default().createElement("a", {
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href: "#",
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onClick: this.handleResume,
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title: formatMessage(messages.icon_title_resume)
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}, react__WEBPACK_IMPORTED_MODULE_0___default().createElement("i", {
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className: resumeClass
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}, "radio_button_checked")), react__WEBPACK_IMPORTED_MODULE_0___default().createElement("a", {
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href: "#",
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onClick: this.handleDone,
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title: formatMessage(messages.icon_title_send)
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}, react__WEBPACK_IMPORTED_MODULE_0___default().createElement("i", {
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className: "material-icons"
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}, "send")));
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}
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}
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/* harmony default export */ const __WEBPACK_DEFAULT_EXPORT__ = ((0,react_intl__WEBPACK_IMPORTED_MODULE_1__.injectIntl)(AudioRecorder));
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/***/ })
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}]);
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//# sourceMappingURL=src_widgets_audio-recorder_jsx.dev.js.map
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