throw errors if websocket connection fails
This commit is contained in:
Quentin Fuxa
parent
0553b75415
commit
50bbd26517
1 changed files with 218 additions and 156 deletions
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@ -1,8 +1,8 @@
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta charset="UTF-8"/>
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<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
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<title>Audio Transcription</title>
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<style>
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body {
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@ -54,7 +54,8 @@
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align-items: flex-start;
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gap: 5px;
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}
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#chunkSelector, #websocketInput {
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#chunkSelector,
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#websocketInput {
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font-size: 16px;
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padding: 5px;
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border-radius: 5px;
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@ -64,7 +65,8 @@
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#websocketInput {
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width: 200px;
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}
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#chunkSelector:focus, #websocketInput:focus {
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#chunkSelector:focus,
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#websocketInput:focus {
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outline: none;
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border-color: #007bff;
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}
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@ -99,7 +101,14 @@
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<div id="transcriptions"></div>
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<script>
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let isRecording = false, websocket, recorder, chunkDuration = 1000, websocketUrl = "ws://localhost:8000/ws";
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let isRecording = false,
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websocket,
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recorder,
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chunkDuration = 1000,
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websocketUrl = "ws://localhost:8000/ws";
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// Tracks whether the user voluntarily closed the WebSocket
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let userClosing = false;
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const statusText = document.getElementById("status");
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const recordButton = document.getElementById("recordButton");
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@ -114,13 +123,47 @@
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chunkDuration = parseInt(chunkSelector.value);
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});
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// Update WebSocket URL dynamically
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// Update WebSocket URL dynamically, with some basic checks
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websocketInput.addEventListener("change", () => {
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websocketUrl = websocketInput.value;
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const urlValue = websocketInput.value.trim();
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// Quick check to see if it starts with ws:// or wss://
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if (!urlValue.startsWith("ws://") && !urlValue.startsWith("wss://")) {
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statusText.textContent =
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"Invalid WebSocket URL. It should start with ws:// or wss://";
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return;
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}
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websocketUrl = urlValue;
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statusText.textContent = "WebSocket URL updated. Ready to connect.";
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});
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function setupWebSocket() {
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try {
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websocket = new WebSocket(websocketUrl);
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} catch (error) {
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statusText.textContent =
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"Invalid WebSocket URL. Please check the URL and try again.";
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throw error;
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}
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websocket.onopen = () => {
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statusText.textContent = "Connected to server";
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};
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websocket.onclose = (event) => {
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if (userClosing) {
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statusText.textContent = "WebSocket closed by user.";
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} else {
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statusText.textContent = "Disconnected from server (unexpected).";
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}
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userClosing = false;
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};
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websocket.onerror = () => {
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statusText.textContent = "Error connecting to WebSocket";
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stopRecording();
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};
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websocket.onmessage = (event) => {
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const data = JSON.parse(event.data);
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const { transcription, buffer } = data;
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@ -134,42 +177,61 @@
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<span class="buffer">${buffer}</span>
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`;
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};
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websocket.onerror = () => {
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statusText.textContent = "Error connecting to WebSocket";
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stopRecording(); // Stop recording if WebSocket fails
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};
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}
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async function startRecording() {
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try {
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const stream = await navigator.mediaDevices.getUserMedia({ audio: true });
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recorder = new MediaRecorder(stream, { mimeType: "audio/webm" });
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recorder.ondataavailable = (e) => websocket?.send(e.data);
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recorder.start(chunkDuration); // Use dynamic chunk duration
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recorder.ondataavailable = (e) => {
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if (websocket && websocket.readyState === WebSocket.OPEN) {
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websocket.send(e.data);
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}
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};
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recorder.start(chunkDuration);
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isRecording = true;
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updateUI();
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} catch (err) {
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statusText.textContent =
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"Error accessing microphone. Please allow microphone access.";
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}
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}
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function stopRecording() {
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userClosing = true;
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recorder?.stop();
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recorder = null;
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isRecording = false;
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websocket?.close();
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websocket = null;
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updateUI();
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}
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async function toggleRecording() {
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if (isRecording) stopRecording();
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else {
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if (!isRecording) {
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fullTranscription = "";
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transcriptionsDiv.innerHTML = "";
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try {
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setupWebSocket();
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} catch (err) {
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return;
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}
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await startRecording();
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} else {
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stopRecording();
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}
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}
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function updateUI() {
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recordButton.classList.toggle("recording", isRecording);
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statusText.textContent = isRecording ? "Recording..." : "Click to start transcription";
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statusText.textContent = isRecording
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? "Recording..."
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: "Click to start transcription";
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}
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recordButton.addEventListener("click", toggleRecording);
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