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<html>
<head>
<title>Continuous Speech Demo</title>
<style>
body {
font-family: sans-serif;
padding: 20px;
max-width: 800px;
margin: 0 auto;
background: #f9f9f9;
}
button {
padding: 10px 20px;
margin: 5px;
font-size: 16px;
border: none;
border-radius: 5px;
cursor: pointer;
background-color: #4CAF50;
color: white;
transition: background-color 0.3s;
}
button:disabled {
background-color: #cccccc;
cursor: not-allowed;
}
button:hover:not(:disabled) {
background-color: #45a049;
}
#status {
margin: 10px 0;
padding: 10px;
background: #e8f5e9;
border-radius: 4px;
font-weight: bold;
}
#output {
white-space: pre-wrap;
padding: 15px;
background: #f5f5f5;
border: 1px solid #ddd;
border-radius: 4px;
margin: 10px 0;
min-height: 100px;
max-height: 300px;
overflow-y: auto;
font-family: monospace;
}
.controls {
margin: 10px 0;
display: flex;
gap: 10px;
}
#stop { background-color: #f44336; }
#stop:hover:not(:disabled) { background-color: #da190b; }
#clear { background-color: #ff9800; }
#clear:hover:not(:disabled) { background-color: #e68a00; }
</style>
</head>
<body>
<div class="controls">
<button id="start">Start Listening</button>
<button id="stop" disabled>Stop Listening</button>
<button id="clear">Clear Text</button>
</div>
<div id="status">Ready</div>
<div id="output"></div>
<input type="hidden" id="streamlit-data" value="">
<script>
if (!('webkitSpeechRecognition' in window)) {
alert('Speech recognition not supported. Please use a compatible browser like Chrome.');
} else {
const recognition = new webkitSpeechRecognition();
const startButton = document.getElementById('start');
const stopButton = document.getElementById('stop');
const clearButton = document.getElementById('clear');
const status = document.getElementById('status');
const output = document.getElementById('output');
let fullTranscript = '';
let lastUpdateTime = Date.now();
// Configure recognition
recognition.continuous = true;
recognition.interimResults = true;
// Start recognition function
const startRecognition = () => {
try {
recognition.start();
status.textContent = 'Listening...';
startButton.disabled = true;
stopButton.disabled = false;
} catch (e) {
console.error('Start error:', e);
status.textContent = 'Error: ' + e.message;
}
};
// Auto-start on load
window.addEventListener('load', () => {
setTimeout(startRecognition, 1000);
});
startButton.onclick = startRecognition;
stopButton.onclick = () => {
recognition.stop();
status.textContent = 'Stopped';
startButton.disabled = false;
stopButton.disabled = true;
};
clearButton.onclick = () => {
fullTranscript = '';
output.textContent = '';
sendDataToPython({ value: '', dataType: "json" });
status.textContent = 'Cleared';
};
recognition.onresult = (event) => {
let interimTranscript = '';
let finalTranscript = '';
for (let i = event.resultIndex; i < event.results.length; i++) {
const transcript = event.results[i][0].transcript;
if (event.results[i].isFinal) {
finalTranscript += transcript + '\n';
} else {
interimTranscript += transcript;
}
}
if (finalTranscript) {
fullTranscript += finalTranscript;
sendDataToPython({ value: fullTranscript, dataType: "json" });
}
output.textContent = fullTranscript + (interimTranscript ? '... ' + interimTranscript : '');
output.scrollTop = output.scrollHeight;
document.getElementById('streamlit-data').value = fullTranscript;
};
recognition.onend = () => {
if (!stopButton.disabled) {
try {
recognition.start();
console.log('Restarted recognition');
} catch (e) {
console.error('Restart error:', e);
status.textContent = 'Error restarting: ' + e.message;
startButton.disabled = false;
stopButton.disabled = true;
}
}
};
recognition.onerror = (event) => {
console.error('Recognition error:', event.error);
status.textContent = 'Error: ' + event.error;
if (event.error === 'not-allowed' || event.error === 'service-not-allowed') {
status.textContent = 'Error: Microphone permission denied';
startButton.disabled = false;
stopButton.disabled = true;
}
};
}
// Streamlit communication functions
function sendMessageToStreamlitClient(type, data) {
var outData = Object.assign({
isStreamlitMessage: true,
type: type,
}, data);
window.parent.postMessage(outData, "*");
}
function init() {
sendMessageToStreamlitClient("streamlit:componentReady", { apiVersion: 1 });
}
function setFrameHeight(height) {
sendMessageToStreamlitClient("streamlit:setFrameHeight", { height: height });
}
function sendDataToPython(data) {
sendMessageToStreamlitClient("streamlit:setComponentValue", data);
}
function onDataFromPython(event) {
if (event.data.type !== "streamlit:render") return;
const inputValue = event.data.args.my_input_value;
if (inputValue !== undefined) {
fullTranscript = inputValue;
output.textContent = fullTranscript;
document.getElementById('streamlit-data').value = fullTranscript;
}
}
// Hook up event listeners
window.addEventListener("message", onDataFromPython);
init();
// Autoset iframe height
window.addEventListener("load", function() {
window.setTimeout(function() {
setFrameHeight(document.documentElement.scrollHeight);
}, 0);
});
</script>
</body>
</html> |