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Autres articles (62)
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Les vidéos
21 avril 2011, parComme les documents de type "audio", Mediaspip affiche dans la mesure du possible les vidéos grâce à la balise html5 .
Un des inconvénients de cette balise est qu’elle n’est pas reconnue correctement par certains navigateurs (Internet Explorer pour ne pas le nommer) et que chaque navigateur ne gère en natif que certains formats de vidéos.
Son avantage principal quant à lui est de bénéficier de la prise en charge native de vidéos dans les navigateur et donc de se passer de l’utilisation de Flash et (...) -
(Dés)Activation de fonctionnalités (plugins)
18 février 2011, parPour gérer l’ajout et la suppression de fonctionnalités supplémentaires (ou plugins), MediaSPIP utilise à partir de la version 0.2 SVP.
SVP permet l’activation facile de plugins depuis l’espace de configuration de MediaSPIP.
Pour y accéder, il suffit de se rendre dans l’espace de configuration puis de se rendre sur la page "Gestion des plugins".
MediaSPIP est fourni par défaut avec l’ensemble des plugins dits "compatibles", ils ont été testés et intégrés afin de fonctionner parfaitement avec chaque (...) -
Activation de l’inscription des visiteurs
12 avril 2011, parIl est également possible d’activer l’inscription des visiteurs ce qui permettra à tout un chacun d’ouvrir soit même un compte sur le canal en question dans le cadre de projets ouverts par exemple.
Pour ce faire, il suffit d’aller dans l’espace de configuration du site en choisissant le sous menus "Gestion des utilisateurs". Le premier formulaire visible correspond à cette fonctionnalité.
Par défaut, MediaSPIP a créé lors de son initialisation un élément de menu dans le menu du haut de la page menant (...)
Sur d’autres sites (10137)
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I Really Like My New EeePC
29 août 2010, par Multimedia Mike — GeneralFair warning : I’m just going to use this post to blather disconnectedly about a new-ish toy.
I really like my new EeePC. I was rather enamored with the original EeePC 701 from late 2007, a little box with a tiny 7″ screen that is credited with kicking off the netbook revolution. Since then, Asus has created about a hundred new EeePC models.
Since I’m spending so much time on a train these days, I finally took the plunge to get a better netbook. I decided to stay loyal to Asus and their Eee lineage and got the highest end EeePC they presently offer (which was still under US$500)– the EeePC 1201PN. The ’12′ in the model number represents a 12″ screen size and the rest of the specs are commensurately as large. Indeed, it sort of blurs the line between netbook and full-blown laptop.
Incidentally, after I placed the order for the 1201PN nearly 2 months ago, and I mean the very literal next moment, this Engadget headline came across announcing the EeePC 1215N. My new high-end (such as it is) computer purchase was immediately obsoleted ; I thought that only happened in parody. (As of this writing, the 1215N still doesn’t appear to be shipping, though.)
It’s a sore point among Linux aficionados that Linux was used to help kickstart the netbook trend but that now it’s pretty much impossible to find Linux pre-installed on a netbook. So it is in this case. This 1201PN comes with Windows 7 Home Premium installed. This is a notable differentiator from most netbooks which only have Windows 7 Home Starter, a.k.a., the Windows 7 version so crippled that it doesn’t even allow the user to change the background image.
I wished to preserve the Windows 7 installation (you never know when it will come in handy) and dual boot Linux. I thought I would have to use the Windows partition tool to divide work some magic. Fortunately, the default installation already carved the 250 GB HD in half ; I was able to reformat the second partition and install Linux. The details are a little blurry, but I’m pretty sure one of those external USB optical drives shown in my last post actually performed successfully for this task. Lucky break.
The EeePC 1201PN, EeePC 701, Belco Alpha-400, and even a comparatively gargantuan Sony Vaio full laptop– all of the portable computers in the household
So I got Ubuntu 10.04 Linux installed in short order. This feels like something of a homecoming for me. You see, I used Linux full-time at home from 1999-2006. In 2007, I switched to using Windows XP full-time, mostly because my home use-case switched to playing a lot of old, bad computer games. By the end of 2008, I had transitioned to using the Mac Mini that I had originally purchased earlier that year for running FATE cycles. That Mac served as my main home computer until I purchased the 1201PN 2 months ago.
Mostly, I have this overriding desire for computers to just work, at least in their basic functions. And that’s why I’m so roundly impressed with the way Linux handles right out of the box. Nearly everything on the 1201PN works in Linux. The video, the audio, the wireless networking, the webcam, it all works out of the box. I had to do the extra installation step to get the binary nVidia drivers installed but even that’s relatively seamless, especially compared to “the way things used to be” (drop to a prompt, run some binary installer from the prompt as root, watch it fail in arcane ways because the thing is only certified to run on one version of one Linux distribution). The 1201PN, with its nVidia Ion2 graphics, is able to drive both its own 1366×768 screen simultaneously with an external monitor running at up on 2560×1600.
The only weird hiccup in the whole process was that I had a little trouble with the special volume keys on the keyboard (specifically, the volume up/down/mute keys didn’t do anything). But I quickly learned that I had to install some package related to ACPI and they magically started to do the right thing. Now I get to encounter the Linux Flash Player bug where modifying volume via those special keys forces fullscreen mode to exit. Adobe really should fix that.
Also, trackpad multitouch gestures don’t work right away. Based on my reading, it is possible to set those up in Linux. But it’s largely a preference thing– I don’t care much for multitouch. This creates a disparity when I use Windows 7 on the 1201PN which is configured per default to use multitouch.
The same 4 laptops stacked up
So, in short, I’m really happy with this little machine. Traditionally, I have had absolutely no affinity for laptops/notebooks/portable computers at all even if everyone around was always completely enamored with the devices. What changed for me ? Well for starters, as a long-time Linux user, I was used to having to invest in very specific, carefully-researched hardware lest I not be able to use it under the Linux OS. This was always a major problem in the laptop field which typically reign supreme in custom, proprietary hardware components. These days, not so much, and these netbooks seem to contain well-supported hardware. Then there’s the fact that laptops always cost so much more than similarly capable desktop systems and that I had no real reason for taking a computer with me when I left home. So my use case changed, as did the price point for relatively low-power laptops/netbooks.
Data I/O geek note : The 1201PN is capable of wireless-N networking — as many netbooks seem to have — but only 100 Mbit ethernet. I wondered why it didn’t have gigabit ethernet. Then I remembered that 100 Mbit ethernet provides 11-11.5 Mbytes/sec of transfer speed which, in my empirical experience, is approximately the maximum write speed of a 5400 RPM hard drive– which is what the 1201PN possesses.
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Elacarte Presto Tablets
14 mars 2013, par Multimedia Mike — GeneralI visited an Applebee’s restaurant this past weekend. The first thing I spied was a family at a table with what looked like a 7-inch tablet. It’s not an uncommon sight. However, as I moved through the restaurant, I noticed that every single table was equipped with such a tablet. It looked like this :
For a computer nerd like me, you could probably guess that I was be far more interested in this gadget than the cuisine. The thing said “Presto” on the front and “Elacarte” on the back. Putting this together, we get the website of Elacarte, the purveyors of this restaurant tablet technology. Months after the iPad was released on 2010, I remember stories about high-end restaurants showing their wine list via iPads. This tablet goes well beyond that.
How was it ? Well, confusing, mostly. The hostess told us we could order through the tablet or through her. Since we already knew what we wanted, she just manually took our order and presumably entered it into the system. So, right away, the question is : Do we order through a human or through a computer ? Or a combination ? Do we have to use the tablet if we don’t want to ?
Hardware
When picking up the tablet, it’s hard not to notice that it is very heavy. At first, I suspected that it was deliberately weighted down as some minor attempt at an anti-theft measure. But then I remembered what I know about power budgets of phones and tablets– powering the screen accounts for much of the battery usage. I realized that this device needs to drive the screen for about 14 continuous hours each day. I.e., the weight must come from a massive battery.The screen is good. It’s a capacitive touchscreen, so nice and responsive. When I first spied the device, I felt certain it would be a resistive touchscreen (which is more accurately called a touch-and-press-down screen). There is an AC adapter on the side of the tablet. This is the only interface to the device :
That looks to me like an internal SATA connector (different from an eSATA connector). Foolishly, I didn’t have a SATA cable on me so I couldn’t verify.
User Interface
The interface options are : Order, Games, Neighborhood, and Pay. One big benefit of accessing the menu through the Order option is that each menu item can have a picture. For people who order more by picture than text description, this is useful. Rather, it would be, if more items had pictures. I’m not sure there were more pictures than seen in the print menu.
For Games, there were a variety of party games. The interface clearly stated that we got to play 2 free games. This implied to me that further games cost money. We tried one game briefly and the food came.2 more options : Neighborhood– I know I dug into this option, but I forget what it was. Maybe it discussed local attractions. Finally, Pay. This thing has an integrated credit card reader. There is no integrated printer, though, so if you want one, you will have to request one from a human.
Experience
So we ordered through a human since we didn’t feel like being thrust into this new paradigm when we just wanted lunch. The staff was obviously amenable to that. However, I got a chance to ask them a lot of questions about the particulars. Apparently, they have had this system for about 5 months. It was confirmed that the tablets do, in fact, have gargantuan batteries that have to last through the restaurant’s entire business hours. Do they need to be charged every night ? Yes, they do. But how ? The staff described this several large charging blocks with many cables sprouting out. Reportedly, some units still don’t make it through the entire day.When it was time to pay, I pressed the Pay button on the interface. The bill I saw had nothing in common with what we ordered (actually, it was cheaper, so perhaps I should have just accepted it). But I pointed it out to a human and they said that this happens sometimes. So they manually printed my bill. There was a dollar charge for the game that was supposed to be free. I pointed this out and they removed it. It’s minor, I know, but it’s still worth trying to work out these bugs.
One of the staff also described how a restaurant doesn’t need to employ as many people thanks to the tablet. She gave a nervous, awkward, self-conscious laugh when she said this. All I could think of was this Dilbert comic strip in which the boss realizes that his smartphone could perform certain key functions previously handled by his assistant.
Not A New Idea
Some people might think this is a totally new concept. It’s not. I was immediately reminded of my university days in Boulder, Colorado, USA, circa 1997. The local Taco Bell and Arby’s restaurants both had touchscreen ordering kiosks. Step up, interact with the (probably resistive) touchscreen, get a number, and step to the counter to change money, get your food, and probably clarify your order because there is only so much that can be handled through a touchscreen.What I also remember is when they tore out those ordering kiosks, also circa 1997. I don’t know the exact reason. Maybe people didn’t like them. Maybe there were maintenance costs that made them not worth the hassle.
Then there are the widespread self-checkout lanes in grocery stores. Personally, I like those, though I know many don’t. However, this restaurant tablet thing hasn’t won me over yet. What’s the difference ? Perhaps that automated lanes at grocery stores require zero external assistance– at least, if you do everything correctly. Personally, I work well with these lanes because I can pretty much guess the constraints of the system and I am careful not to confuse the computer in any way. Until they deploy serving droids, or at least food conveyors, there still needs to be some human interaction and I think the division between the human and computer roles is unintuitive in the restaurant case.
I don’t really care to return to the same restaurant. I’ll likely avoid any other restaurant that has these tablets. For some reason, I think I’m probably supposed to be the ideal consumer of this concept. But the idea will probably perform all right anyway. Elacarte’s website has plenty of graphs demonstrating that deploying these tablets is extremely profitable.
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Converting a voice recording into an mp3
21 juillet 2023, par Raphael MFor a vue.js messaging project, I'm using the wavesurfer.js library to record voice messages. However Google chrome gives me an audio/webm blob and Safari gives me an audio/mp4 blob.


I'm trying to find a solution to transcode the blob into audio/mp3. I've tried several methods, including ffmpeg. However, ffmpeg gives me an error when compiling "npm run dev" : "Can't resolve '/node_modules/@ffmpeg/core/dist/ffmpeg-core.js'".


"@ffmpeg/core": "^0.11.0",
"@ffmpeg/ffmpeg": "^0.11.6"


I tried to downgrade ffmpeg


"@ffmpeg/core": "^0.9.0",
"@ffmpeg/ffmpeg": "^0.9.8"


I no longer get the error message when compiling, but when I want to convert my audio stream, the console displays a problem with SharedBuffer : "Uncaught (in promise) ReferenceError : SharedArrayBuffer is not defined".


Here's my complete code below.
Is there a reliable way of transcoding the audio stream into mp3 ?


Can you give me an example ?


Thanks


<template>
 <div class="left-panel">
 <header class="radial-blue">
 <div class="container">
 <h1 class="mb-30">Posez votre première question à nos thérapeutes</h1>
 <p><b>Attention</b>, vous disposez seulement de 2 messages. Veillez à les utiliser de manière judicieuse !</p>
 <div class="available-messages">
 <div class="item disabled">
 <span>Message 1</span>
 </div>
 <div class="item">
 <span>Message 2</span>
 </div>
 </div>
 </div>
 </header>
 </div>
 <div class="right-panel">
 <div class="messagerie bg-light">
 <messaging ref="messagingComponent"></messaging>
 <footer>
 <button type="button"><img src="http://stackoverflow.com/assets/backoffice/images/record-start.svg" style='max-width: 300px; max-height: 300px' /></button>
 <div class="loading-animation">
 <img src="http://stackoverflow.com/assets/backoffice/images/record-loading.svg" style='max-width: 300px; max-height: 300px' />
 </div>
 <button type="button"><img src="http://stackoverflow.com/assets/backoffice/images/record-stop.svg" style='max-width: 300px; max-height: 300px' /></button>
 <div class="textarea gradient text-dark">
 <textarea placeholder="Posez votre question"></textarea>
 </div>
 <div class="loading-text">Chargement de votre microphone en cours...</div>
 <div class="loading-text">Envoi de votre message en cours...</div>
 <div ref="visualizer"></div>
 <button type="button"><img src="http://stackoverflow.com/assets/backoffice/images/send.svg" style='max-width: 300px; max-height: 300px' /></button>
 <div>
 {{ formatTimer() }}
 </div>
 </footer>
 </div>
 </div>
</template>

<code class="echappe-js"><script>&#xA;import Messaging from "./Messaging.vue";&#xA;import { createFFmpeg, fetchFile } from &#x27;@ffmpeg/ffmpeg&#x27;;&#xA;&#xA;export default {&#xA; data() {&#xA; return {&#xA; isMicrophoneLoading: false,&#xA; isSubmitLoading: false,&#xA; isMobile: false,&#xA; isMessagerie: false,&#xA; isRecording: false,&#xA; audioUrl: &#x27;&#x27;,&#xA; messageText: &#x27;&#x27;,&#xA; message:null,&#xA; wavesurfer: null,&#xA; access:(this.isMobile?&#x27;denied&#x27;:&#x27;granted&#x27;),&#xA; maxMinutes: 5,&#xA; orangeTimer: 3,&#xA; redTimer: 4,&#xA; timer: 0,&#xA; timerInterval: null,&#xA; ffmpeg: null,&#xA; };&#xA; },&#xA; components: {&#xA; Messaging,&#xA; },&#xA; mounted() {&#xA; this.checkScreenSize();&#xA; window.addEventListener(&#x27;resize&#x27;, this.checkScreenSize);&#xA;&#xA; if(!this.isMobile)&#xA; {&#xA; this.$moment.locale(&#x27;fr&#x27;);&#xA; window.addEventListener(&#x27;beforeunload&#x27;, (event) => {&#xA; if (this.isMessagerie) {&#xA; event.preventDefault();&#xA; event.returnValue = &#x27;&#x27;;&#xA; }&#xA; });&#xA;&#xA; this.initializeWaveSurfer();&#xA; }&#xA; },&#xA; beforeUnmount() {&#xA; window.removeEventListener(&#x27;resize&#x27;, this.checkScreenSize);&#xA; },&#xA; methods: {&#xA; checkScreenSize() {&#xA; this.isMobile = window.innerWidth < 1200;&#xA;&#xA; const windowHeight = window.innerHeight;&#xA; const navbarHeight = this.$navbarHeight;&#xA; let padding = parseInt(navbarHeight &#x2B;181);&#xA;&#xA; const messageListHeight = windowHeight - padding;&#xA; this.$refs.messagingComponent.$refs.messageList.style.height = messageListHeight &#x2B; &#x27;px&#x27;;&#xA; },&#xA; showMessagerie() {&#xA; this.isMessagerie = true;&#xA; this.$refs.messagingComponent.scrollToBottom();&#xA; },&#xA; checkMicrophoneAccess() {&#xA; if (navigator.mediaDevices &amp;&amp; navigator.mediaDevices.getUserMedia) {&#xA;&#xA; return navigator.mediaDevices.getUserMedia({audio: true})&#xA; .then(function (stream) {&#xA; stream.getTracks().forEach(function (track) {&#xA; track.stop();&#xA; });&#xA; return true;&#xA; })&#xA; .catch(function (error) {&#xA; console.error(&#x27;Erreur lors de la demande d\&#x27;acc&#xE8;s au microphone:&#x27;, error);&#xA; return false;&#xA; });&#xA; } else {&#xA; console.error(&#x27;getUserMedia n\&#x27;est pas support&#xE9; par votre navigateur.&#x27;);&#xA; return false;&#xA; }&#xA; },&#xA; initializeWaveSurfer() {&#xA; this.wavesurfer = this.$wavesurfer.create({&#xA; container: &#x27;#visualizer&#x27;,&#xA; barWidth: 3,&#xA; barHeight: 1.5,&#xA; height: 46,&#xA; responsive: true,&#xA; waveColor: &#x27;rgba(108,115,202,0.3)&#x27;,&#xA; progressColor: &#x27;rgba(108,115,202,1)&#x27;,&#xA; cursorColor: &#x27;transparent&#x27;&#xA; });&#xA;&#xA; this.record = this.wavesurfer.registerPlugin(this.$recordPlugin.create());&#xA; },&#xA; startRecording() {&#xA; const _this = this;&#xA; this.isMicrophoneLoading = true;&#xA;&#xA; setTimeout(() =>&#xA; {&#xA; _this.checkMicrophoneAccess().then(function (accessible)&#xA; {&#xA; if (accessible) {&#xA; _this.record.startRecording();&#xA;&#xA; _this.record.once(&#x27;startRecording&#x27;, () => {&#xA; _this.isMicrophoneLoading = false;&#xA; _this.isRecording = true;&#xA; _this.updateChildMessage( &#x27;server&#x27;, &#x27;Allez-y ! Vous pouvez enregistrer votre message audio maintenant. La dur&#xE9;e maximale autoris&#xE9;e pour votre enregistrement est de 5 minutes.&#x27;, &#x27;text&#x27;, &#x27;&#x27;, &#x27;Message automatique&#x27;);&#xA; _this.startTimer();&#xA; });&#xA; } else {&#xA; _this.isRecording = false;&#xA; _this.isMicrophoneLoading = false;&#xA; _this.$swal.fire({&#xA; title: &#x27;Microphone non d&#xE9;tect&#xE9;&#x27;,&#xA; html: &#x27;<p>Le microphone de votre appareil est inaccessible ou l\&#x27;acc&#xE8;s a &#xE9;t&#xE9; refus&#xE9;.</p><p>Merci de v&#xE9;rifier les param&#xE8;tres de votre navigateur afin de v&#xE9;rifier les autorisations de votre microphone.</p>&#x27;,&#xA; footer: &#x27;<a href='http://stackoverflow.com/contact'>Vous avez besoin d\&#x27;aide ?</a>&#x27;,&#xA; });&#xA; }&#xA; });&#xA; }, 100);&#xA; },&#xA; stopRecording() {&#xA; this.stopTimer();&#xA; this.isRecording = false;&#xA; this.isSubmitLoading = true;&#xA; this.record.stopRecording();&#xA;&#xA; this.record.once(&#x27;stopRecording&#x27;, () => {&#xA; const blobUrl = this.record.getRecordedUrl();&#xA; fetch(blobUrl).then(response => response.blob()).then(blob => {&#xA; this.uploadAudio(blob);&#xA; });&#xA; });&#xA; },&#xA; startTimer() {&#xA; this.timerInterval = setInterval(() => {&#xA; this.timer&#x2B;&#x2B;;&#xA; if (this.timer === this.maxMinutes * 60) {&#xA; this.stopRecording();&#xA; }&#xA; }, 1000);&#xA; },&#xA; stopTimer() {&#xA; clearInterval(this.timerInterval);&#xA; this.timer = 0;&#xA; },&#xA; formatTimer() {&#xA; const minutes = Math.floor(this.timer / 60);&#xA; const seconds = this.timer % 60;&#xA; const formattedMinutes = minutes < 10 ? `0${minutes}` : minutes;&#xA; const formattedSeconds = seconds < 10 ? `0${seconds}` : seconds;&#xA; return `${formattedMinutes}:${formattedSeconds}`;&#xA; },&#xA; async uploadAudio(blob)&#xA; {&#xA; const format = blob.type === &#x27;audio/webm&#x27; ? &#x27;webm&#x27; : &#x27;mp4&#x27;;&#xA;&#xA; // Convert the blob to MP3&#xA; const mp3Blob = await this.convertToMp3(blob, format);&#xA;&#xA; const s3 = new this.$AWS.S3({&#xA; accessKeyId: &#x27;xxx&#x27;,&#xA; secretAccessKey: &#x27;xxx&#x27;,&#xA; region: &#x27;eu-west-1&#x27;&#xA; });&#xA;&#xA; var currentDate = new Date();&#xA; var filename = currentDate.getDate().toString() &#x2B; &#x27;-&#x27; &#x2B; currentDate.getMonth().toString() &#x2B; &#x27;-&#x27; &#x2B; currentDate.getFullYear().toString() &#x2B; &#x27;--&#x27; &#x2B; currentDate.getHours().toString() &#x2B; &#x27;-&#x27; &#x2B; currentDate.getMinutes().toString() &#x2B; &#x27;.mp4&#x27;;&#xA;&#xA; const params = {&#xA; Bucket: &#x27;xxx/audio&#x27;,&#xA; Key: filename,&#xA; Body: mp3Blob,&#xA; ACL: &#x27;public-read&#x27;,&#xA; ContentType: &#x27;audio/mp3&#x27;&#xA; }&#xA;&#xA; s3.upload(params, (err, data) => {&#xA; if (err) {&#xA; console.error(&#x27;Error uploading audio:&#x27;, err)&#xA; } else {&#xA; const currentDate = this.$moment();&#xA; const timestamp = currentDate.format(&#x27;dddd DD MMMM YYYY HH:mm&#x27;);&#xA;&#xA; this.updateChildMessage( &#x27;client&#x27;, &#x27;&#x27;, &#x27;audio&#x27;, mp3Blob, timestamp);&#xA; this.isSubmitLoading = false;&#xA; }&#xA; });&#xA; },&#xA; async convertToMp3(blob, format) {&#xA; const ffmpeg = createFFmpeg({ log: true });&#xA; await ffmpeg.load();&#xA;&#xA; const inputPath = &#x27;input.&#x27; &#x2B; format;&#xA; const outputPath = &#x27;output.mp3&#x27;;&#xA;&#xA; ffmpeg.FS(&#x27;writeFile&#x27;, inputPath, await fetchFile(blob));&#xA;&#xA; await ffmpeg.run(&#x27;-i&#x27;, inputPath, &#x27;-acodec&#x27;, &#x27;libmp3lame&#x27;, outputPath);&#xA;&#xA; const mp3Data = ffmpeg.FS(&#x27;readFile&#x27;, outputPath);&#xA; const mp3Blob = new Blob([mp3Data.buffer], { type: &#x27;audio/mp3&#x27; });&#xA;&#xA; ffmpeg.FS(&#x27;unlink&#x27;, inputPath);&#xA; ffmpeg.FS(&#x27;unlink&#x27;, outputPath);&#xA;&#xA; return mp3Blob;&#xA; },&#xA; sendMessage() {&#xA; this.isSubmitLoading = true;&#xA; if (this.messageText.trim() !== &#x27;&#x27;) {&#xA; const emmet = &#x27;client&#x27;;&#xA; const text = this.escapeHTML(this.messageText)&#xA; .replace(/\n/g, &#x27;<br>&#x27;);&#xA;&#xA; const currentDate = this.$moment();&#xA; const timestamp = currentDate.format(&#x27;dddd DD MMMM YYYY HH:mm&#x27;);&#xA;&#xA; this.$nextTick(() => {&#xA; this.messageText = &#x27;&#x27;;&#xA;&#xA; const textarea = document.getElementById(&#x27;messageTextarea&#x27;);&#xA; if (textarea) {&#xA; textarea.scrollTop = 0;&#xA; textarea.scrollLeft = 0;&#xA; }&#xA; });&#xA;&#xA; this.updateChildMessage(emmet, text, &#x27;text&#x27;, &#x27;&#x27;, timestamp);&#xA; this.isSubmitLoading = false;&#xA; }&#xA; },&#xA; escapeHTML(text) {&#xA; const map = {&#xA; &#x27;&amp;&#x27;: &#x27;&amp;amp;&#x27;,&#xA; &#x27;<&#x27;: &#x27;&amp;lt;&#x27;,&#xA; &#x27;>&#x27;: &#x27;&amp;gt;&#x27;,&#xA; &#x27;"&#x27;: &#x27;&amp;quot;&#x27;,&#xA; "&#x27;": &#x27;&amp;#039;&#x27;,&#xA; "`": &#x27;&amp;#x60;&#x27;,&#xA; "/": &#x27;&amp;#x2F;&#x27;&#xA; };&#xA; return text.replace(/[&amp;<>"&#x27;`/]/g, (match) => map[match]);&#xA; },&#xA; updateChildMessage(emmet, text, type, blob, timestamp) {&#xA; const newMessage = {&#xA; id: this.$refs.messagingComponent.lastMessageId &#x2B; 1,&#xA; emmet: emmet,&#xA; text: text,&#xA; type: type,&#xA; blob: blob,&#xA; timestamp: timestamp&#xA; };&#xA;&#xA; this.$refs.messagingComponent.updateMessages(newMessage);&#xA; }&#xA; },&#xA;};&#xA;</script>


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