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Julian Müller (ChaoticByte) 2024-01-31 16:19:55 +01:00
commit 263f498563
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.gitignore vendored Normal file
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Caddyfile

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{
admin off
}
http://0.0.0.0:8001 {
root * ./static
file_server
header {
X-Frame-Options DENY
X-Content-Type-Options nosniff
X-Permitted-Cross-Domain-Policies none
Referrer-Policy no-referrer
Cross-Origin-Embedder-Policy require-corp
Cross-Origin-Opener-Policy same-origin
Permissions-Policy accelerometer=(),ambient-light-sensor=(),autoplay=(),battery=(),camera=(),display-capture=(),document-domain=(),encrypted-media=(),fullscreen=(),gamepad=(),geolocation=(),gyroscope=(),layout-animations=(self),legacy-image-formats=(self),magnetometer=(),microphone=(self),midi=(),oversized-images=(self),payment=(),picture-in-picture=(),publickey-credentials-get=(),speaker-selection=(),sync-xhr=(self),unoptimized-images=(self),unsized-media=(self),usb=(),screen-wake-lock=(),web-share=(),xr-spatial-tracking=()
Cache-Control max-age=86400
}
}

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<!doctype html>
<html lang="en">
<head>
<!-- Copyright (c) 2024 Julian Müller (ChaoticByte) -->
<meta charset="utf-8">
<link rel="icon" href="favicon.png">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="main.css">
<title>Transcript Frontend</title>
</head>
<body>
<button class="startBtn symbtn nodisplay" id="startBtn"></button>
<button class="stopBtn symbtn nodisplay" id="stopBtn"></button>
<div class="horizontal">
<audio class="nodisplay" id="audioPrev" controls></audio>
<button class="transcribeBtn symbtn nodisplay" id="transcribeBtn"></button>
</div>
<div class="transcript" id="transcript"></div>
<script src="main.js" type="module"></script>
</body>
</html>

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/* Copyright (c) 2024 Julian Müller (ChaoticByte) */
:root {
--text-color: #fffffc;
--box-bg: #ffffff25;
--btn-bg: #ffffff3b;
--border-color: #707070;
--corner-radius: .4rem;
}
body {
/* layout */
margin: 0;
padding: 0;
display: flex;
min-height: 100vh;
flex-direction: column;
align-items: center;
justify-content: flex-start;
/* coloring */
color: var(--text-color);
background: linear-gradient(30deg, #0d141d, #1d192e);
background-size: contain;
/* font stuff */
font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
}
a {
color: var(--text-color);
text-decoration: none;
}
button {
background-color: transparent;
border: none;
outline: none;
font-size: inherit;
}
.symbtn {
width: 3rem;
height: 3rem;
background-size: 2.5rem;
background-position: center;
background-repeat: no-repeat;
cursor: pointer;
border-radius: var(--corner-radius);
background-color: transparent;
transition: background-color 100ms;
transition: transform 100ms;
}
.symbtn:hover {
background-color: var(--btn-bg);
}
.symbtn:active {
transform: scale(0.9);
}
.symbtn:disabled {
opacity: 70%;
transform: none;
background-color: transparent;
cursor: initial;
}
.nodisplay {
display: none;
}
.horizontal {
display: flex;
flex-direction: row;
align-items: center;
width: fit-content;
gap: .5rem;
}
.startBtn, .stopBtn {
margin-top: 5rem;
margin-bottom: 4rem;
}
.startBtn {
background-image: url("material-icons/mic.svg");
}
.startBtn:hover {
background-color: red;
}
.stopBtn {
background-image: url("material-icons/stop.svg");
}
.transcribeBtn {
width: 2.5rem;
height: 2.5rem;
background-size: 2rem;
background-position: center;
background-repeat: no-repeat;
background-image: url("material-icons/transcribe.svg");
}
.transcript {
margin-top: 5rem;
display: block;
width: 60%;
height: fit-content;
text-align: center;
}
.transcript.loading {
font-size: 0;
background-image: url("material-icons/cycle.svg");
background-size: contain;
width: 2rem;
height: 2rem;
opacity: 70%;
animation: spinning 3s infinite linear;
}
@keyframes spinning {
from {
transform: rotate(0deg);
}
to {
transform: rotate(360deg);
}
}
@media only screen and (max-width: 800px) {
.transcript {
width: 90%;
}
}

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// Copyright (c) 2024 Julian Müller (ChaoticByte)
"use strict";
import { Recorder } from "./recorder.js";
async function api_is_online(settings) {
const ping_response = await fetch(settings.api_url + "/ping").catch(_ => {
return 0;
});
return ping_response.status == 200;
}
( async () => {
// Get Elements
let startBtn = document.getElementById("startBtn");
let stopBtn = document.getElementById("stopBtn");
let audioPrev = document.getElementById("audioPrev");
let transcribeBtn = document.getElementById("transcribeBtn");
let transcriptText = document.getElementById("transcript");
// Load Settings
const settings_resp = await fetch("settings.json");
const settings = await settings_resp.json();
while (settings.api_url.endsWith('/')) {
settings.api_url = settings.api_url.substring(0, settings.api_url.length - 1);
}
if (await api_is_online(settings)) {
// Recorder
let audioBlob;
const recorder = new Recorder(startBtn, stopBtn, async (blob) => {
audioBlob = blob;
audioPrev.src = URL.createObjectURL(audioBlob);
audioPrev.load();
audioPrev.classList.remove("nodisplay");
transcribeBtn.classList.remove("nodisplay");
});
recorder.init();
// Additional handlers
startBtn.addEventListener("click", () => {
audioPrev.classList.add("nodisplay");
transcribeBtn.classList.add("nodisplay");
transcriptText.innerText = "";
})
// Transcribe
transcribeBtn.addEventListener("click", async () => {
transcribeBtn.disabled = true;
transcriptText.classList.add("loading");
const formData = new FormData();
formData.append("audio", audioBlob);
let response = await fetch(settings.api_url, {
method: 'POST',
body: formData
});
let t = await response.text();
transcriptText.innerText = t;
transcriptText.classList.remove("loading");
transcribeBtn.disabled = false;
});
// init done.
startBtn.classList.remove("nodisplay");
} else {
transcriptText.innerText = "Can't reach API :("
}
})();

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Material Icons by Google.
Repo: https://github.com/google/material-design-icons
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// Copyright (c) 2024 Julian Müller (ChaoticByte)
"use strict";
export class Recorder {
constructor(startBtn, stopBtn, callback) {
this.supported = navigator.mediaDevices && navigator.mediaDevices.getUserMedia;
console.assert(this.supported, "Recording Audio is not supported on this device.");
this.startBtn = startBtn;
this.stopBtn = stopBtn;
this.callback = callback;
this.initialized = false;
}
async init() {
console.assert(!this.initialized, "Tried to initialize Recorder that was already initialized.");
if (this.initialized) { return null }
await navigator.mediaDevices.getUserMedia({"audio": true}).then(stream => {
let chunks = [];
this.startBtn.classList.remove("nodisplay");
this.stopBtn.classList.add("nodisplay");
const recorder = new MediaRecorder(stream);
this.startBtn.onclick = () => {
this.startBtn.classList.add("nodisplay");
this.stopBtn.classList.remove("nodisplay");
recorder.start();
}
this.stopBtn.onclick = () => {
recorder.stop();
}
recorder.onstart = () => {
chunks = []; // reset chunks on new recording
}
recorder.onstop = e => {
const blob = new Blob(chunks, {type: "audio/ogg; codecs=opus"})
this.startBtn.classList.remove("nodisplay");
this.stopBtn.classList.add("nodisplay");
this.callback(blob);
}
recorder.ondataavailable = e => {
chunks.push(e.data);
}
}, () => { console.error("Could not initialize Audio Recorder.") })
}
}

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{
"api_url": "http://127.0.0.1:8000"
}