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<html lang="en"> | |
<head> | |
<meta charset="UTF-8"> | |
<meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
<title>Mini-Omni HTML Demo</title> | |
<style> | |
body { font-family: Arial, sans-serif; max-width: 800px; margin: 0 auto; padding: 20px; } | |
#recordButton { width: 100px; height: 100px; border-radius: 50%; background-color: #f0f0f0; border: none; cursor: pointer; } | |
#recordButton:active { background-color: #ff4444; } | |
#chatHistory { height: 300px; overflow-y: scroll; border: 1px solid #ccc; padding: 10px; margin-bottom: 20px; } | |
.message { margin-bottom: 10px; } | |
.user { color: blue; } | |
.ai { color: green; } | |
</style> | |
</head> | |
<body> | |
<h1>Mini-Omni Chat Demo</h1> | |
<div id="chatHistory"></div> | |
<button id="recordButton">Hold to Speak</button> | |
<audio id="audioPlayback" controls style="display:none;"></audio> | |
<script> | |
const API_URL = '/chat'; | |
const recordButton = document.getElementById('recordButton'); | |
const chatHistory = document.getElementById('chatHistory'); | |
const audioPlayback = document.getElementById('audioPlayback'); | |
let mediaRecorder; | |
let audioChunks = []; | |
recordButton.addEventListener('mousedown', startRecording); | |
recordButton.addEventListener('mouseup', stopRecording); | |
recordButton.addEventListener('mouseleave', stopRecording); | |
async function startRecording() { | |
try { | |
const stream = await navigator.mediaDevices.getUserMedia({ audio: true }); | |
mediaRecorder = new MediaRecorder(stream); | |
mediaRecorder.ondataavailable = event => { | |
audioChunks.push(event.data); | |
}; | |
mediaRecorder.start(); | |
updateChatHistory('User', 'Recording...'); | |
} catch (error) { | |
console.error('Error accessing microphone:', error); | |
alert('Error accessing microphone. Please ensure you have given permission.'); | |
} | |
} | |
function stopRecording() { | |
if (mediaRecorder && mediaRecorder.state === 'recording') { | |
mediaRecorder.stop(); | |
mediaRecorder.onstop = async () => { | |
const audioBlob = new Blob(audioChunks, { type: 'audio/wav' }); | |
audioChunks = []; | |
updateChatHistory('User', URL.createObjectURL(audioBlob)); | |
await sendAudioToAPI(audioBlob); | |
}; | |
} | |
} | |
async function sendAudioToAPI(audioBlob) { | |
try { | |
const reader = new FileReader(); | |
reader.readAsDataURL(audioBlob); | |
reader.onloadend = async function() { | |
const base64Audio = reader.result.split(',')[1]; | |
const response = await fetch(API_URL, { | |
method: 'POST', | |
headers: { | |
'Content-Type': 'application/json', | |
}, | |
body: JSON.stringify({ audio: base64Audio }) | |
}); | |
if (response.ok) { | |
const reader = response.body.getReader(); | |
const stream = new ReadableStream({ | |
async start(controller) { | |
while (true) { | |
const { done, value } = await reader.read(); | |
if (done) break; | |
controller.enqueue(value); | |
} | |
controller.close(); | |
} | |
}); | |
const responseBlob = await new Response(stream).blob(); | |
const audioUrl = URL.createObjectURL(responseBlob); | |
updateChatHistory('AI', audioUrl); | |
// Play the audio response | |
const audio = new Audio(audioUrl); | |
audio.play(); | |
} else { | |
console.error('API response not ok:', response.status); | |
updateChatHistory('AI', 'Error in API response'); | |
} | |
}; | |
} catch (error) { | |
console.error('Error sending audio to API:', error); | |
if (error.name === 'TypeError' && error.message === 'Failed to fetch') { | |
updateChatHistory('AI', 'Error: Unable to connect to the server. Please ensure the server is running and accessible.'); | |
} else { | |
updateChatHistory('AI', 'Error communicating with the server: ' + error.message); | |
} | |
} | |
} | |
function updateChatHistory(speaker, content) { | |
const messageElement = document.createElement('div'); | |
messageElement.className = 'message ' + (speaker === 'User' ? 'user' : 'ai'); | |
if (content.startsWith('blob:') || content.startsWith('data:')) { | |
messageElement.innerHTML = `<strong>${speaker}:</strong> <audio src="${content}" controls></audio>`; | |
} else { | |
messageElement.innerHTML = `<strong>${speaker}:</strong> ${content}`; | |
} | |
chatHistory.appendChild(messageElement); | |
chatHistory.scrollTop = chatHistory.scrollHeight; | |
} | |
</script> | |
</body> | |
</html> | |