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<!doctype html>
<html>
<head>
<meta charset="UTF-8">
<title>Real-Time Latent Consistency Model</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<script
src="https://cdnjs.cloudflare.com/ajax/libs/iframe-resizer/4.3.1/iframeResizer.contentWindow.min.js"></script>
<script src="https://cdn.tailwindcss.com"></script>
<script type="module">
const seedEl = document.querySelector("#seed");
const promptEl = document.querySelector("#prompt");
const guidanceEl = document.querySelector("#guidance-scale");
const strengthEl = document.querySelector("#strength");
const startBtn = document.querySelector("#start");
const stopBtn = document.querySelector("#stop");
const videoEl = document.querySelector("#webcam");
const imageEl = document.querySelector("#player");
const queueSizeEl = document.querySelector("#queue_size");
const errorEl = document.querySelector("#error");
function LCMLive(webcamVideo, liveImage) {
let websocket;
async function start(params) {
return new Promise((resolve, reject) => {
const websocketURL = `${window.location.protocol === "https:" ? "wss" : "ws"
}:${window.location.host}/ws`;
const socket = new WebSocket(websocketURL);
socket.onopen = () => {
console.log("Connected to websocket");
};
socket.onclose = () => {
console.log("Disconnected from websocket");
stop();
resolve({ "status": "disconnected" });
};
socket.onerror = (err) => {
console.error(err);
reject(err);
};
socket.onmessage = (event) => {
const data = JSON.parse(event.data);
switch (data.status) {
case "success":
socket.send(JSON.stringify(params));
const userId = data.userId;
liveImage.src = `/stream/${userId}`;
initVideoStream();
break;
case "timeout":
stop();
resolve({ "status": "timeout" });
case "error":
stop();
reject(data.message);
}
};
websocket = socket;
})
}
async function videoTimeUpdateHandler() {
const canvas = new OffscreenCanvas(webcamVideo.videoWidth, webcamVideo.videoHeight);
const ctx = canvas.getContext("2d");
ctx.drawImage(webcamVideo, 0, 0, canvas.width, canvas.height);
const blob = await canvas.convertToBlob({ type: "image/jpeg", quality: 1 });
websocket.send(blob);
}
function initVideoStream() {
const constraints = {
audio: false,
video: { width: 512, height: 512 },
};
navigator.mediaDevices
.getUserMedia(constraints)
.then((mediaStream) => {
webcamVideo.srcObject = mediaStream;
webcamVideo.onloadedmetadata = () => {
webcamVideo.play();
webcamVideo.addEventListener("timeupdate", videoTimeUpdateHandler);
};
})
.catch((err) => {
console.error(`${err.name}: ${err.message}`);
});
}
async function stop() {
websocket.close();
navigator.mediaDevices.getUserMedia({ video: true }).then((mediaStream) => {
mediaStream.getTracks().forEach((track) => track.stop());
});
webcamVideo.removeEventListener("timeupdate", videoTimeUpdateHandler);
webcamVideo.srcObject = null;
}
return {
start,
stop
}
}
function toggleMessage(type) {
errorEl.hidden = false;
switch (type) {
case "error":
errorEl.innerText = "To many users are using the same GPU, please try again later.";
errorEl.classList.toggle("bg-red-300", "text-red-900");
break;
case "success":
errorEl.innerText = "Your session has ended, please start a new one.";
errorEl.classList.toggle("bg-green-300", "text-green-900");
break;
}
setTimeout(() => {
errorEl.hidden = true;
}, 5000);
}
const lcmLive = LCMLive(videoEl, imageEl);
startBtn.addEventListener("click", async () => {
try {
const seed = seedEl.value;
const prompt = promptEl.value;
const guidance_scale = guidanceEl.value;
const strength = strengthEl.value;
startBtn.disabled = true;
const res = await lcmLive.start({ seed, prompt, guidance_scale, strength });
startBtn.disabled = false;
if (res.status === "timeout")
toggleMessage("success")
} catch (err) {
console.log(err);
toggleMessage("error")
}
});
stopBtn.addEventListener("click", () => {
lcmLive.stop();
});
window.addEventListener("beforeunload", () => {
lcmLive.stop();
});
setInterval(() =>
fetch("/queue_size")
.then((res) => res.json())
.then((data) => {
queueSizeEl.innerText = data.queue_size;
})
.catch((err) => {
console.log(err);
})
, 1000);
</script>
</head>
<body>
<div class="fixed right-2 top-2 p-4 font-bold text-sm rounded-lg max-w-xs text-center" id="error">
</div>
<main class="container mx-auto px-4 py-4 max-w-4xl flex flex-col gap-4">
<article class="text-center max-w-xl mx-auto">
<h1 class="text-3xl font-bold mb-4">Real-Time Latent Consistency Model</h1>
<p class="text-sm">
This demo showcases
<a href="https://huggingface.co/SimianLuo/LCM_Dreamshaper_v7" target="_blank"
class="text-blue-500 hover:underline">LCM</a>
using
<a href="https://github.com/huggingface/diffusers/tree/main/examples/community#latent-consistency-pipeline"
target="_blank" class="text-blue-500 hover:underline">Diffusers</a> with a MJPEG
stream server.
</p>
<p class="text-sm">
To change settings or prompt, stop the current stream and start a new one.
</p>
<p class="text-sm">
There are <span id="queue_size" class="font-bold">0</span> user(s) sharing the same GPU, affecting
real-time performance. Maximum queue size is 4. <a
href="https://huggingface.co/spaces/radames/Real-Time-Latent-Consistency-Model?duplicate=true"
target="_blank" class="text-blue-500 hover:underline">Duplicate</a> and run it on your own GPU.
</p>
</article>
<div>
<div class="flex text-normal px-1 py-1 border border-gray-700 rounded-md items-center">
<textarea type="text" id="prompt" class="font-light w-full px-3 py-2 mx-1 resize-none outline-none"
title="Prompt" oninput="this.style.height = 0;this.style.height = this.scrollHeight + 'px'"
placeholder="Add your prompt here...">Portrait of The Terminator with , glare pose, detailed, intricate, full of colour, cinematic lighting, trending on artstation, 8k, hyperrealistic, focused, extreme details, unreal engine 5, cinematic, masterpiece</textarea>
</div>
</div>
<div class="">
<details>
<summary class="font-medium cursor-pointer">Advanced Options</summary>
<div class="grid grid-cols-3 max-w-md items-center gap-3 py-3">
<label class="text-sm font-medium" for="guidance-scale">Guidance Scale
</label>
<input type="range" id="guidance-scale" name="guidance-scale" min="1" max="30" step="0.001"
value="8.0" oninput="this.nextElementSibling.value = Number(this.value).toFixed(2)">
<output class="text-xs w-[50px] text-center font-light px-1 py-1 border border-gray-700 rounded-md">
8.0</output>
<label class="text-sm font-medium" for="strength">Strength</label>
<input type="range" id="strength" name="strength" min="0.20" max="1" step="0.001" value="0.50"
oninput="this.nextElementSibling.value = Number(this.value).toFixed(2)">
<output class="text-xs w-[50px] text-center font-light px-1 py-1 border border-gray-700 rounded-md">
0.5</output>
<label class="text-sm font-medium" for="seed">Seed</label>
<input type="number" id="seed" name="seed" value="299792458"
class="font-light border border-gray-700 text-right rounded-md p-2">
<button
onclick="document.querySelector('#seed').value = BigInt(Math.floor(Math.random() * 2**64-1))"
class="bg-gray-700 hover:bg-gray-800 text-white font-normal py-1 w-[50px] rounded disabled:bg-gray-300 disabled:cursor-not-allowed text-sm">
Rand
</button>
</div>
</details>
</div>
<div>
<button id="start"
class="bg-gray-700 hover:bg-gray-800 text-white font-normal py-2 w-16 rounded disabled:bg-gray-300 disabled:cursor-not-allowed">
Start
</button>
<button id="stop"
class="bg-gray-700 hover:bg-gray-800 text-white font-normal py-2 w-16 rounded disabled:bg-gray-300 disabled:cursor-not-allowed">
Stop
</button>
</div>
<div class="relative rounded-lg border border-slate-300 overflow-hidden">
<img id="player" class="w-full aspect-square rounded-lg "
src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=">
<div class="absolute top-0 left-0 w-1/4 aspect-square">
<video id="webcam" class="w-full aspect-square relative z-10" playsinline autoplay muted loop></video>
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 448" width="100"
class="w-full p-4 absolute top-0 opacity-20 z-0">
<path fill="currentColor"
d="M224 256a128 128 0 1 0 0-256 128 128 0 1 0 0 256zm-45.7 48A178.3 178.3 0 0 0 0 482.3 29.7 29.7 0 0 0 29.7 512h388.6a29.7 29.7 0 0 0 29.7-29.7c0-98.5-79.8-178.3-178.3-178.3h-91.4z" />
</svg>
</div>
</div>
</main>
</body>
</html> |