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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> | |