| <!DOCTYPE html> |
| <html lang="en"> |
|
|
| <head> |
| <meta charset="UTF-8"> |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> |
| <title>Voice Assistant</title> |
| <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css"> |
| <style> |
| :root { |
| --color-primary: #7c3aed; |
| --color-primary-dark: #6d28d9; |
| --color-primary-light: #a78bfa; |
| --color-background: #111827; |
| --color-surface: #1f2937; |
| --color-surface-light: #374151; |
| --color-text: #f9fafb; |
| --color-text-secondary: #d1d5db; |
| --gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #9333ea 100%); |
| --boxSize: 8px; |
| --gutter: 4px; |
| --box-shadow: 0 10px 30px -10px rgba(124, 58, 237, 0.5); |
| } |
| |
| * { |
| box-sizing: border-box; |
| margin: 0; |
| padding: 0; |
| } |
| |
| body { |
| margin: 0; |
| padding: 0; |
| background-color: var(--color-background); |
| color: var(--color-text); |
| font-family: 'Inter', system-ui, -apple-system, sans-serif; |
| min-height: 100vh; |
| display: flex; |
| flex-direction: column; |
| align-items: center; |
| justify-content: center; |
| background-image: |
| radial-gradient(circle at 100% 10%, rgba(124, 58, 237, 0.12) 0%, transparent 30%), |
| radial-gradient(circle at 10% 90%, rgba(79, 70, 229, 0.12) 0%, transparent 30%); |
| background-attachment: fixed; |
| } |
| |
| .header { |
| text-align: center; |
| margin-bottom: 2rem; |
| max-width: 600px; |
| padding: 0 1rem; |
| } |
| |
| .header h1 { |
| font-size: 2.5rem; |
| margin-bottom: 0.5rem; |
| background: var(--gradient); |
| -webkit-background-clip: text; |
| background-clip: text; |
| -webkit-text-fill-color: transparent; |
| font-weight: 800; |
| letter-spacing: -0.025em; |
| } |
| |
| .header p { |
| color: var(--color-text-secondary); |
| font-size: 1.125rem; |
| margin-bottom: 0.5rem; |
| line-height: 1.5; |
| } |
| |
| .container { |
| width: 90%; |
| max-width: 800px; |
| background-color: var(--color-surface); |
| padding: 2.5rem; |
| border-radius: 1.5rem; |
| box-shadow: var(--box-shadow); |
| backdrop-filter: blur(10px); |
| border: 1px solid rgba(255, 255, 255, 0.05); |
| } |
| |
| .wave-container { |
| position: relative; |
| display: flex; |
| min-height: 100px; |
| max-height: 128px; |
| justify-content: center; |
| align-items: center; |
| margin: 2rem 0; |
| background-color: var(--color-surface-light); |
| border-radius: 1rem; |
| padding: 1rem; |
| border: 1px solid rgba(255, 255, 255, 0.05); |
| } |
| |
| .box-container { |
| display: flex; |
| justify-content: space-between; |
| height: 64px; |
| width: 100%; |
| gap: 4px; |
| } |
| |
| .box { |
| height: 100%; |
| width: var(--boxSize); |
| background: var(--gradient); |
| border-radius: 8px; |
| transition: transform 0.05s ease; |
| } |
| |
| .controls { |
| display: grid; |
| grid-template-columns: 1fr 1fr; |
| gap: 1.5rem; |
| margin-bottom: 2rem; |
| } |
| |
| @media (max-width: 768px) { |
| .controls { |
| grid-template-columns: 1fr; |
| } |
| } |
| |
| .input-group { |
| display: flex; |
| flex-direction: column; |
| gap: 0.5rem; |
| } |
| |
| label { |
| font-size: 0.875rem; |
| font-weight: 600; |
| color: var(--color-text-secondary); |
| display: flex; |
| align-items: center; |
| gap: 0.5rem; |
| } |
| |
| label i { |
| color: var(--color-primary-light); |
| } |
| |
| input, |
| select { |
| padding: 0.75rem; |
| border-radius: 0.75rem; |
| border: 1px solid rgba(255, 255, 255, 0.1); |
| background-color: var(--color-background); |
| color: var(--color-text); |
| font-size: 1rem; |
| transition: all 0.2s ease; |
| } |
| |
| input:focus, |
| select:focus { |
| outline: none; |
| border-color: var(--color-primary); |
| box-shadow: 0 0 0 2px rgba(124, 58, 237, 0.3); |
| } |
| |
| button { |
| padding: 1.25rem; |
| border-radius: 1rem; |
| border: none; |
| background: var(--gradient); |
| color: white; |
| font-weight: 600; |
| font-size: 1.125rem; |
| cursor: pointer; |
| transition: all 0.3s ease; |
| box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1); |
| position: relative; |
| overflow: hidden; |
| } |
| |
| button::before { |
| content: ''; |
| position: absolute; |
| top: 0; |
| left: -100%; |
| width: 100%; |
| height: 100%; |
| background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent); |
| transition: all 0.6s ease; |
| } |
| |
| button:hover::before { |
| left: 100%; |
| } |
| |
| button:hover { |
| transform: translateY(-2px); |
| box-shadow: 0 6px 20px rgba(124, 58, 237, 0.4); |
| } |
| |
| button:active { |
| 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: linear-gradient(135deg, #4f46e5, #7c3aed); |
| opacity: 0.8; |
| flex-shrink: 0; |
| transform: translateX(-0%) scale(var(--audio-level, 1)); |
| transition: transform 0.1s ease; |
| box-shadow: 0 0 10px rgba(124, 58, 237, 0.7); |
| } |
| |
| |
| .toast { |
| position: fixed; |
| top: 20px; |
| left: 50%; |
| transform: translateX(-50%); |
| padding: 1rem 1.5rem; |
| border-radius: 0.75rem; |
| font-size: 0.875rem; |
| z-index: 1000; |
| display: none; |
| box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2); |
| animation: slideIn 0.3s ease; |
| } |
| |
| @keyframes slideIn { |
| from { |
| transform: translate(-50%, -20px); |
| opacity: 0; |
| } |
| to { |
| transform: translate(-50%, 0); |
| opacity: 1; |
| } |
| } |
| |
| .toast.error { |
| background-color: #ef4444; |
| color: white; |
| border-left: 4px solid #b91c1c; |
| } |
| |
| .toast.warning { |
| background-color: #f59e0b; |
| color: white; |
| border-left: 4px solid #d97706; |
| } |
| |
| |
| .footer { |
| margin-top: 2rem; |
| text-align: center; |
| font-size: 0.875rem; |
| color: var(--color-text-secondary); |
| } |
| |
| .footer a { |
| color: var(--color-primary-light); |
| text-decoration: none; |
| } |
| |
| .footer a:hover { |
| text-decoration: underline; |
| } |
| |
| .subtitle { |
| font-size: 1.25rem; |
| color: var(--color-text-secondary); |
| margin-bottom: 1rem; |
| } |
| |
| .language-badge { |
| display: inline-block; |
| padding: 0.5rem 1rem; |
| background: var(--gradient); |
| border-radius: 2rem; |
| font-size: 1rem; |
| margin-top: 1rem; |
| box-shadow: var(--box-shadow); |
| } |
| |
| .feature-badges { |
| display: flex; |
| justify-content: center; |
| gap: 1rem; |
| margin-bottom: 2rem; |
| flex-wrap: wrap; |
| } |
| |
| .badge { |
| display: flex; |
| align-items: center; |
| gap: 0.5rem; |
| padding: 0.75rem 1.25rem; |
| background-color: var(--color-surface-light); |
| border-radius: 1rem; |
| font-size: 0.875rem; |
| border: 1px solid rgba(255, 255, 255, 0.05); |
| } |
| |
| .badge i { |
| color: var(--color-primary-light); |
| } |
| |
| .developer-info { |
| display: flex; |
| align-items: center; |
| gap: 1rem; |
| margin-bottom: 1rem; |
| } |
| |
| .developer-avatar { |
| width: 48px; |
| height: 48px; |
| border-radius: 50%; |
| border: 2px solid var(--color-primary); |
| } |
| |
| .developer-details { |
| text-align: left; |
| } |
| |
| .developer-title { |
| font-size: 0.75rem; |
| color: var(--color-primary-light); |
| margin-top: 0.25rem; |
| } |
| |
| .social-links { |
| display: flex; |
| gap: 1rem; |
| margin-top: 1rem; |
| } |
| |
| .social-links a { |
| color: var(--color-text-secondary); |
| font-size: 1.25rem; |
| transition: color 0.2s ease; |
| } |
| |
| .social-links a:hover { |
| color: var(--color-primary-light); |
| } |
| |
| .footer { |
| background-color: var(--color-surface); |
| padding: 1.5rem; |
| border-radius: 1rem; |
| margin-top: 2rem; |
| box-shadow: var(--box-shadow); |
| border: 1px solid rgba(255, 255, 255, 0.05); |
| max-width: 600px; |
| width: 90%; |
| } |
| |
| @media (max-width: 768px) { |
| .feature-badges { |
| flex-direction: column; |
| align-items: center; |
| } |
| |
| .badge { |
| width: 100%; |
| justify-content: center; |
| } |
| } |
| </style> |
| </head> |
|
|
| <body> |
| <div id="error-toast" class="toast"></div> |
| |
| <div class="header"> |
| <h1>Urdu AI Assistant</h1> |
| <p class="subtitle">Real-time Urdu conversations powered by advanced AI technology</p> |
| <div class="language-badge"> |
| <i class="fas fa-language"></i> |
| हिंदी / اردو |
| </div> |
| </div> |
| |
| <div class="container"> |
| <div class="feature-badges"> |
| <div class="badge"> |
| <i class="fas fa-microphone-alt"></i> |
| Real-time Voice |
| </div> |
| <div class="badge"> |
| <i class="fas fa-brain"></i> |
| AI Powered |
| </div> |
| <div class="badge"> |
| <i class="fas fa-language"></i> |
| Urdu Support |
| </div> |
| </div> |
|
|
| <div class="controls"> |
| |
| |
| |
| |
| <div class="input-group"> |
| <label for="voice"><i class="fas fa-microphone-alt"></i> Voice</label> |
| <select id="voice"> |
| <option value="Puck">Puck (Casual)</option> |
| <option value="Charon">Charon (Deep)</option> |
| <option value="Kore">Kore (Professional)</option> |
| <option value="Fenrir">Fenrir (Mature)</option> |
| <option value="Aoede">Aoede (Melodic)</option> |
| </select> |
| </div> |
| </div> |
|
|
| <div class="wave-container"> |
| <div class="box-container"> |
| |
| </div> |
| </div> |
|
|
| <button id="start-button">Start Conversation</button> |
| </div> |
|
|
| <div class="footer"> |
| <div class="developer-info"> |
| <img src="https://media.licdn.com/dms/image/v2/D4D03AQFccVUQVirANg/profile-displayphoto-shrink_800_800/profile-displayphoto-shrink_800_800/0/1724430812003?e=1746662400&v=beta&t=w7dT8KntFGMuWX8sIb6J53xSsiV-M_MXLYBnBNVCARg" alt="Ishwor Subedi" class="developer-avatar"> |
| <div class="developer-details"> |
| <p>Developed by <a href="https://ishwor-subedi.com.np" target="_blank">Ishwor Subedi</a></p> |
| <p class="developer-title">AI/ML Engineer & Freelancer</p> |
| </div> |
| </div> |
| <div class="social-links"> |
| <a href="https://github.com/ishworrsubedii" target="_blank"><i class="fab fa-github"></i></a> |
| <a href="https://www.linkedin.com/in/ishworrsubedii/" target="_blank"><i class="fab fa-linkedin"></i></a> |
| <a href="https://www.upwork.com/freelancers/~01a5bd20f3bdbf5bde" target="_blank"><i class="fab fa-upwork"></i></a> |
| </div> |
| </div> |
|
|
| <audio id="audio-output"></audio> |
|
|
| <script> |
| |
| let peerConnection; |
| let audioContext; |
| let dataChannel; |
| let isRecording = false; |
| let webrtc_id; |
| let animationId; |
| let analyser; |
| let analyser_input; |
| let dataArray; |
| let dataArray_input; |
| |
| const startButton = document.getElementById('start-button'); |
| |
| 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>End Conversation</span> |
| </div> |
| `; |
| } else { |
| startButton.innerHTML = 'Start Conversation'; |
| } |
| } |
| |
| function showError(message) { |
| const toast = document.getElementById('error-toast'); |
| toast.textContent = message; |
| toast.className = 'toast error'; |
| toast.style.display = 'block'; |
| |
| |
| setTimeout(() => { |
| toast.style.display = 'none'; |
| }, 5000); |
| } |
| |
| async function setupWebRTC() { |
| |
| const config = { |
| iceServers: [ |
| { urls: 'stun:stun.l.google.com:19302' } |
| ] |
| }; |
| 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'; |
| |
| |
| setTimeout(() => { |
| toast.style.display = 'none'; |
| }, 5000); |
| }, 5000); |
| |
| try { |
| |
| if (!navigator.mediaDevices || !navigator.mediaDevices.getUserMedia) { |
| const errorMsg = 'Your browser does not support audio recording. Please use Chrome, Firefox, or Edge.'; |
| showError(errorMsg); |
| throw new Error(errorMsg); |
| } |
| |
| const stream = await navigator.mediaDevices.getUserMedia({ audio: true }); |
| stream.getTracks().forEach(track => peerConnection.addTrack(track, stream)); |
| |
| |
| 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) { |
| pulseCircle.style.setProperty('--audio-level', 1 + audioLevel); |
| } |
| |
| animationId = requestAnimationFrame(updateAudioLevel); |
| } |
| updateAudioLevel(); |
| |
| |
| 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(); |
| }); |
| |
| |
| peerConnection.addEventListener('track', (evt) => { |
| if (audioOutput && audioOutput.srcObject !== evt.streams[0]) { |
| audioOutput.srcObject = evt.streams[0]; |
| audioOutput.play(); |
| |
| |
| 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(); |
| } |
| }); |
| |
| |
| 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, |
| |
| voice_name: voiceSelect.value |
| }) |
| }); |
| } |
| }; |
| |
| |
| 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 ${serverResponse.meta.limit}` |
| : serverResponse.meta.error); |
| stopWebRTC(); |
| startButton.textContent = 'Start Conversation'; |
| return; |
| } |
| |
| await peerConnection.setRemoteDescription(serverResponse); |
| } catch (err) { |
| clearTimeout(timeoutId); |
| console.error('Error setting up WebRTC:', err); |
| showError('Failed to establish connection. Please try again.'); |
| stopWebRTC(); |
| startButton.textContent = 'Start Conversation'; |
| } |
| } |
| |
| function updateVisualization() { |
| if (!analyser) return; |
| |
| analyser.getByteFrequencyData(dataArray); |
| const bars = document.querySelectorAll('.box'); |
| |
| for (let i = 0; i < bars.length; i++) { |
| const barHeight = (dataArray[i] / 255) * 2; |
| bars[i].style.transform = `scaleY(${Math.max(0.1, barHeight)})`; |
| } |
| |
| animationId = requestAnimationFrame(updateVisualization); |
| } |
| |
| function stopWebRTC() { |
| if (peerConnection) { |
| |
| if (peerConnection.getTransceivers) { |
| peerConnection.getTransceivers().forEach(transceiver => { |
| if (transceiver.stop) { |
| transceiver.stop(); |
| } |
| }); |
| } |
| |
| if (peerConnection.getSenders) { |
| peerConnection.getSenders().forEach(sender => { |
| if (sender.track && sender.track.stop) sender.track.stop(); |
| }); |
| } |
| |
| peerConnection.close(); |
| peerConnection = null; |
| } |
| |
| if (animationId) { |
| cancelAnimationFrame(animationId); |
| animationId = null; |
| } |
| |
| if (audioContext) { |
| audioContext.close(); |
| audioContext = null; |
| } |
| |
| updateButtonState(); |
| } |
| |
| startButton.addEventListener('click', () => { |
| |
| if (!navigator.mediaDevices || !navigator.mediaDevices.getUserMedia) { |
| showError('Your browser does not support audio recording. Please use Chrome, Firefox, or Edge.'); |
| return; |
| } |
| |
| if (!isRecording) { |
| setupWebRTC(); |
| startButton.classList.add('recording'); |
| } else { |
| stopWebRTC(); |
| startButton.classList.remove('recording'); |
| } |
| isRecording = !isRecording; |
| }); |
| </script> |
| </body> |
|
|
| </html> |
