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| <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)); | |
| break; | |
| case "start": | |
| const userId = data.userId; | |
| initVideoStream(userId); | |
| 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(userId) { | |
| liveImage.src = `/stream/${userId}`; | |
| const constraints = { | |
| audio: false, | |
| video: { width: 512, height: 512 }, | |
| }; | |
| navigator.mediaDevices | |
| .getUserMedia(constraints) | |
| .then((mediaStream) => { | |
| webcamVideo.srcObject = mediaStream; | |
| webcamVideo.onloadedmetadata = () => { | |
| webcamVideo.play(); | |
| webcamVideo.addEventListener("timeupdate", videoTimeUpdateHandler); | |
| }; | |
| }) | |
| .catch((err) => { | |
| console.error(`${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; | |
| }, 2000); | |
| } | |
| 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); | |
| }) | |
| , 5000); | |
| </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> | |
| <h2 class="font-medium">Prompt</h2> | |
| <p class="text-sm text-gray-500"> | |
| Change the prompt to generate different images. | |
| </p> | |
| <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, this is an example, feel free to modify" | |
| 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> |