mirror of
https://github.com/HumanAIGC-Engineering/gradio-webrtc.git
synced 2026-02-05 18:09:23 +08:00
aefb08150f
sync code of fastrtc, add text support through datachannel, fix safari connect problem support chat without camera or mic
452 lines
15 KiB
HTML
452 lines
15 KiB
HTML
<!DOCTYPE html>
|
|
<html lang="en">
|
|
|
|
<head>
|
|
<meta charset="UTF-8">
|
|
<meta name="viewport" content="width=device-width, initial-scale=1.0">
|
|
<title>Gemini Voice Chat</title>
|
|
<style>
|
|
:root {
|
|
--color-accent: #6366f1;
|
|
--color-background: #0f172a;
|
|
--color-surface: #1e293b;
|
|
--color-text: #e2e8f0;
|
|
--boxSize: 8px;
|
|
--gutter: 4px;
|
|
}
|
|
|
|
body {
|
|
margin: 0;
|
|
padding: 0;
|
|
background-color: var(--color-background);
|
|
color: var(--color-text);
|
|
font-family: system-ui, -apple-system, sans-serif;
|
|
min-height: 100vh;
|
|
display: flex;
|
|
flex-direction: column;
|
|
align-items: center;
|
|
justify-content: center;
|
|
}
|
|
|
|
.container {
|
|
width: 90%;
|
|
max-width: 800px;
|
|
background-color: var(--color-surface);
|
|
padding: 2rem;
|
|
border-radius: 1rem;
|
|
box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
|
|
}
|
|
|
|
.wave-container {
|
|
position: relative;
|
|
display: flex;
|
|
min-height: 100px;
|
|
max-height: 128px;
|
|
justify-content: center;
|
|
align-items: center;
|
|
margin: 2rem 0;
|
|
}
|
|
|
|
.box-container {
|
|
display: flex;
|
|
justify-content: space-between;
|
|
height: 64px;
|
|
width: 100%;
|
|
}
|
|
|
|
.box {
|
|
height: 100%;
|
|
width: var(--boxSize);
|
|
background: var(--color-accent);
|
|
border-radius: 8px;
|
|
transition: transform 0.05s ease;
|
|
}
|
|
|
|
.controls {
|
|
display: grid;
|
|
gap: 1rem;
|
|
margin-bottom: 2rem;
|
|
}
|
|
|
|
.input-group {
|
|
display: flex;
|
|
flex-direction: column;
|
|
gap: 0.5rem;
|
|
}
|
|
|
|
label {
|
|
font-size: 0.875rem;
|
|
font-weight: 500;
|
|
}
|
|
|
|
input,
|
|
select {
|
|
padding: 0.75rem;
|
|
border-radius: 0.5rem;
|
|
border: 1px solid rgba(255, 255, 255, 0.1);
|
|
background-color: var(--color-background);
|
|
color: var(--color-text);
|
|
font-size: 1rem;
|
|
}
|
|
|
|
button {
|
|
padding: 1rem 2rem;
|
|
border-radius: 0.5rem;
|
|
border: none;
|
|
background-color: var(--color-accent);
|
|
color: white;
|
|
font-weight: 600;
|
|
cursor: pointer;
|
|
transition: all 0.2s ease;
|
|
}
|
|
|
|
button:hover {
|
|
opacity: 0.9;
|
|
transform: translateY(-1px);
|
|
}
|
|
|
|
.icon-with-spinner {
|
|
display: flex;
|
|
align-items: center;
|
|
justify-content: center;
|
|
gap: 12px;
|
|
min-width: 180px;
|
|
}
|
|
|
|
.spinner {
|
|
width: 20px;
|
|
height: 20px;
|
|
border: 2px solid white;
|
|
border-top-color: transparent;
|
|
border-radius: 50%;
|
|
animation: spin 1s linear infinite;
|
|
flex-shrink: 0;
|
|
}
|
|
|
|
@keyframes spin {
|
|
to {
|
|
transform: rotate(360deg);
|
|
}
|
|
}
|
|
|
|
.pulse-container {
|
|
display: flex;
|
|
align-items: center;
|
|
justify-content: center;
|
|
gap: 12px;
|
|
min-width: 180px;
|
|
}
|
|
|
|
.pulse-circle {
|
|
width: 20px;
|
|
height: 20px;
|
|
border-radius: 50%;
|
|
background-color: white;
|
|
opacity: 0.2;
|
|
flex-shrink: 0;
|
|
transform: translateX(-0%) scale(var(--audio-level, 1));
|
|
transition: transform 0.1s ease;
|
|
}
|
|
|
|
/* Add styles for toast notifications */
|
|
.toast {
|
|
position: fixed;
|
|
top: 20px;
|
|
left: 50%;
|
|
transform: translateX(-50%);
|
|
padding: 16px 24px;
|
|
border-radius: 4px;
|
|
font-size: 14px;
|
|
z-index: 1000;
|
|
display: none;
|
|
box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
|
|
}
|
|
|
|
.toast.error {
|
|
background-color: #f44336;
|
|
color: white;
|
|
}
|
|
|
|
.toast.warning {
|
|
background-color: #ffd700;
|
|
color: black;
|
|
}
|
|
</style>
|
|
</head>
|
|
|
|
|
|
<body>
|
|
<!-- Add toast element after body opening tag -->
|
|
<div id="error-toast" class="toast"></div>
|
|
<div style="text-align: center">
|
|
<h1>Gemini Voice Chat</h1>
|
|
<p>Speak with Gemini using real-time audio streaming</p>
|
|
<p>
|
|
Get a Gemini API key
|
|
<a href="https://ai.google.dev/gemini-api/docs/api-key">here</a>
|
|
</p>
|
|
</div>
|
|
<div class="container">
|
|
<div class="controls">
|
|
<div class="input-group">
|
|
<label for="api-key">API Key</label>
|
|
<input type="password" id="api-key" placeholder="Enter your API key">
|
|
</div>
|
|
<div class="input-group">
|
|
<label for="voice">Voice</label>
|
|
<select id="voice">
|
|
<option value="Puck">Puck</option>
|
|
<option value="Charon">Charon</option>
|
|
<option value="Kore">Kore</option>
|
|
<option value="Fenrir">Fenrir</option>
|
|
<option value="Aoede">Aoede</option>
|
|
</select>
|
|
</div>
|
|
</div>
|
|
|
|
<div class="wave-container">
|
|
<div class="box-container">
|
|
<!-- Boxes will be dynamically added here -->
|
|
</div>
|
|
</div>
|
|
|
|
<button id="start-button">Start Recording</button>
|
|
</div>
|
|
|
|
<audio id="audio-output"></audio>
|
|
|
|
<script>
|
|
let peerConnection;
|
|
let audioContext;
|
|
let dataChannel;
|
|
let isRecording = false;
|
|
let webrtc_id;
|
|
|
|
const startButton = document.getElementById('start-button');
|
|
const apiKeyInput = document.getElementById('api-key');
|
|
const voiceSelect = document.getElementById('voice');
|
|
const audioOutput = document.getElementById('audio-output');
|
|
const boxContainer = document.querySelector('.box-container');
|
|
|
|
const numBars = 32;
|
|
for (let i = 0; i < numBars; i++) {
|
|
const box = document.createElement('div');
|
|
box.className = 'box';
|
|
boxContainer.appendChild(box);
|
|
}
|
|
|
|
function updateButtonState() {
|
|
if (peerConnection && (peerConnection.connectionState === 'connecting' || peerConnection.connectionState === 'new')) {
|
|
startButton.innerHTML = `
|
|
<div class="icon-with-spinner">
|
|
<div class="spinner"></div>
|
|
<span>Connecting...</span>
|
|
</div>
|
|
`;
|
|
} else if (peerConnection && peerConnection.connectionState === 'connected') {
|
|
startButton.innerHTML = `
|
|
<div class="pulse-container">
|
|
<div class="pulse-circle"></div>
|
|
<span>Stop Recording</span>
|
|
</div>
|
|
`;
|
|
} else {
|
|
startButton.innerHTML = 'Start Recording';
|
|
}
|
|
}
|
|
|
|
function showError(message) {
|
|
const toast = document.getElementById('error-toast');
|
|
toast.textContent = message;
|
|
toast.className = 'toast error';
|
|
toast.style.display = 'block';
|
|
|
|
// Hide toast after 5 seconds
|
|
setTimeout(() => {
|
|
toast.style.display = 'none';
|
|
}, 5000);
|
|
}
|
|
|
|
async function setupWebRTC() {
|
|
const config = __RTC_CONFIGURATION__;
|
|
peerConnection = new RTCPeerConnection(config);
|
|
webrtc_id = Math.random().toString(36).substring(7);
|
|
|
|
const timeoutId = setTimeout(() => {
|
|
const toast = document.getElementById('error-toast');
|
|
toast.textContent = "Connection is taking longer than usual. Are you on a VPN?";
|
|
toast.className = 'toast warning';
|
|
toast.style.display = 'block';
|
|
|
|
// Hide warning after 5 seconds
|
|
setTimeout(() => {
|
|
toast.style.display = 'none';
|
|
}, 5000);
|
|
}, 5000);
|
|
|
|
try {
|
|
const stream = await navigator.mediaDevices.getUserMedia({ audio: true });
|
|
stream.getTracks().forEach(track => peerConnection.addTrack(track, stream));
|
|
|
|
// Update audio visualization setup
|
|
audioContext = new AudioContext();
|
|
analyser_input = audioContext.createAnalyser();
|
|
const source = audioContext.createMediaStreamSource(stream);
|
|
source.connect(analyser_input);
|
|
analyser_input.fftSize = 64;
|
|
dataArray_input = new Uint8Array(analyser_input.frequencyBinCount);
|
|
|
|
function updateAudioLevel() {
|
|
analyser_input.getByteFrequencyData(dataArray_input);
|
|
const average = Array.from(dataArray_input).reduce((a, b) => a + b, 0) / dataArray_input.length;
|
|
const audioLevel = average / 255;
|
|
|
|
const pulseCircle = document.querySelector('.pulse-circle');
|
|
if (pulseCircle) {
|
|
console.log("audioLevel", audioLevel);
|
|
pulseCircle.style.setProperty('--audio-level', 1 + audioLevel);
|
|
}
|
|
|
|
animationId = requestAnimationFrame(updateAudioLevel);
|
|
}
|
|
updateAudioLevel();
|
|
|
|
// Add connection state change listener
|
|
peerConnection.addEventListener('connectionstatechange', () => {
|
|
console.log('connectionstatechange', peerConnection.connectionState);
|
|
if (peerConnection.connectionState === 'connected') {
|
|
clearTimeout(timeoutId);
|
|
const toast = document.getElementById('error-toast');
|
|
toast.style.display = 'none';
|
|
}
|
|
updateButtonState();
|
|
});
|
|
|
|
// Handle incoming audio
|
|
peerConnection.addEventListener('track', (evt) => {
|
|
if (audioOutput && audioOutput.srcObject !== evt.streams[0]) {
|
|
audioOutput.srcObject = evt.streams[0];
|
|
audioOutput.play();
|
|
|
|
// Set up audio visualization on the output stream
|
|
audioContext = new AudioContext();
|
|
analyser = audioContext.createAnalyser();
|
|
const source = audioContext.createMediaStreamSource(evt.streams[0]);
|
|
source.connect(analyser);
|
|
analyser.fftSize = 2048;
|
|
dataArray = new Uint8Array(analyser.frequencyBinCount);
|
|
updateVisualization();
|
|
}
|
|
});
|
|
|
|
// Create data channel for messages
|
|
dataChannel = peerConnection.createDataChannel('text');
|
|
dataChannel.onmessage = (event) => {
|
|
const eventJson = JSON.parse(event.data);
|
|
if (eventJson.type === "error") {
|
|
showError(eventJson.message);
|
|
} else if (eventJson.type === "send_input") {
|
|
fetch('/input_hook', {
|
|
method: 'POST',
|
|
headers: {
|
|
'Content-Type': 'application/json',
|
|
},
|
|
body: JSON.stringify({
|
|
webrtc_id: webrtc_id,
|
|
api_key: apiKeyInput.value,
|
|
voice_name: voiceSelect.value
|
|
})
|
|
});
|
|
}
|
|
};
|
|
|
|
// Create and send offer
|
|
const offer = await peerConnection.createOffer();
|
|
await peerConnection.setLocalDescription(offer);
|
|
|
|
await new Promise((resolve) => {
|
|
if (peerConnection.iceGatheringState === "complete") {
|
|
resolve();
|
|
} else {
|
|
const checkState = () => {
|
|
if (peerConnection.iceGatheringState === "complete") {
|
|
peerConnection.removeEventListener("icegatheringstatechange", checkState);
|
|
resolve();
|
|
}
|
|
};
|
|
peerConnection.addEventListener("icegatheringstatechange", checkState);
|
|
}
|
|
});
|
|
|
|
const response = await fetch('/webrtc/offer', {
|
|
method: 'POST',
|
|
headers: { 'Content-Type': 'application/json' },
|
|
body: JSON.stringify({
|
|
sdp: peerConnection.localDescription.sdp,
|
|
type: peerConnection.localDescription.type,
|
|
webrtc_id: webrtc_id,
|
|
})
|
|
});
|
|
|
|
const serverResponse = await response.json();
|
|
|
|
if (serverResponse.status === 'failed') {
|
|
showError(serverResponse.meta.error === 'concurrency_limit_reached'
|
|
? `Too many connections. Maximum limit is ${serverResponse.meta.limit}`
|
|
: serverResponse.meta.error);
|
|
stop();
|
|
startButton.textContent = 'Start Recording';
|
|
return;
|
|
}
|
|
|
|
await peerConnection.setRemoteDescription(serverResponse);
|
|
} catch (err) {
|
|
clearTimeout(timeoutId);
|
|
console.error('Error setting up WebRTC:', err);
|
|
showError('Failed to establish connection. Please try again.');
|
|
stop();
|
|
startButton.textContent = 'Start Recording';
|
|
}
|
|
}
|
|
|
|
function updateVisualization() {
|
|
if (!analyser) return;
|
|
|
|
analyser.getByteFrequencyData(dataArray);
|
|
const bars = document.querySelectorAll('.box');
|
|
|
|
for (let i = 0; i < bars.length; i++) {
|
|
const barHeight = (dataArray[i] / 255) * 2;
|
|
bars[i].style.transform = `scaleY(${Math.max(0.1, barHeight)})`;
|
|
}
|
|
|
|
animationId = requestAnimationFrame(updateVisualization);
|
|
}
|
|
|
|
function stopWebRTC() {
|
|
if (peerConnection) {
|
|
peerConnection.close();
|
|
}
|
|
if (animationId) {
|
|
cancelAnimationFrame(animationId);
|
|
}
|
|
if (audioContext) {
|
|
audioContext.close();
|
|
}
|
|
updateButtonState();
|
|
}
|
|
|
|
startButton.addEventListener('click', () => {
|
|
if (!isRecording) {
|
|
setupWebRTC();
|
|
startButton.classList.add('recording');
|
|
} else {
|
|
stopWebRTC();
|
|
startButton.classList.remove('recording');
|
|
}
|
|
isRecording = !isRecording;
|
|
});
|
|
</script>
|
|
</body>
|
|
|
|
</html> |