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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;
}
button {
padding: 10px 20px;
margin: 10px 5px;
font-size: 16px;
}
#status {
margin: 10px 0;
padding: 10px;
background: #e8f5e9;
border-radius: 4px;
}
#output {
white-space: pre-wrap;
padding: 15px;
background: #f5f5f5;
border-radius: 4px;
margin: 10px 0;
min-height: 100px;
max-height: 400px;
overflow-y: auto;
}
.controls {
margin: 10px 0;
}
</style>
</head>
<body>
<!-- Set up your HTML here -->
<input id="myinput" value="" />
<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>
<!-- Add the hidden input here -->
<input type="hidden" id="streamlit-data" value="">
<script>
if (!('webkitSpeechRecognition' in window)) {
alert('Speech recognition not supported');
} 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;
// Function to start recognition
const startRecognition = () => {
try {
recognition.start();
status.textContent = 'Listening...';
startButton.disabled = true;
stopButton.disabled = false;
} catch (e) {
console.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 = '';
window.parent.postMessage({
type: 'clear_transcript',
}, '*');
};
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 || (Date.now() - lastUpdateTime > 5000)) {
if (finalTranscript) {
fullTranscript += finalTranscript;
// Update the hidden input value
document.getElementById('streamlit-data').value = fullTranscript;
}
lastUpdateTime = Date.now();
}
output.textContent = fullTranscript + (interimTranscript ? '... ' + interimTranscript : '');
output.scrollTop = output.scrollHeight;
document.getElementById('streamlit-data').value = fullTranscript;
sendDataToPython({value: fullTranscript,dataType: "json",});
};
recognition.onend = () => {
if (!stopButton.disabled) {
try {
recognition.start();
console.log('Restarted recognition');
} catch (e) {
console.error('Failed to restart recognition:', 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') {
startButton.disabled = false;
stopButton.disabled = true;
}
};
}
// ----------------------------------------------------
// Just copy/paste these functions as-is:
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});
}
// The `data` argument can be any JSON-serializable value.
function sendDataToPython(data) {
sendMessageToStreamlitClient("streamlit:setComponentValue", data);
}
// ----------------------------------------------------
// Now modify this part of the code to fit your needs:
var myInput = document.getElementById("myinput");
var myOutput = document.getElementById("output");
// data is any JSON-serializable value you sent from Python,
// and it's already deserialized for you.
function onDataFromPython(event) {
if (event.data.type !== "streamlit:render") return;
myInput.value = event.data.args.my_input_value; // Access values sent from Python here!
}
myInput.addEventListener("change", function() {
sendDataToPython({
value: myInput.value,
dataType: "json",
});
})
myOutput.addEventListener("change", function() {
sendDataToPython({
value: myOutput.value,
dataType: "json",
});
})
// Hook things up!
window.addEventListener("message", onDataFromPython);
init();
// Hack to autoset the iframe height.
window.addEventListener("load", function() {
window.setTimeout(function() {
setFrameHeight(document.documentElement.clientHeight)
}, 0);
});
// Optionally, if the automatic height computation fails you, give this component a height manually
// by commenting out below:
//setFrameHeight(200);
</script>
</body>
</html>
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