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| <html> | |
| <head> | |
| <meta content="text/html;charset=utf-8" http-equiv="Content-Type" /> | |
| <title>Candle Whisper Rust/WASM</title> | |
| </head> | |
| <body></body> | |
| </html> | |
| <html> | |
| <head> | |
| <meta charset="UTF-8" /> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0" /> | |
| <style> | |
| @import url("https://fonts.googleapis.com/css2?family=Source+Code+Pro:wght@200;300;400&family=Source+Sans+3:wght@100;200;300;400;500;600;700;800;900&display=swap"); | |
| html, | |
| body { | |
| font-family: "Source Sans 3", sans-serif; | |
| } | |
| </style> | |
| <script src="https://cdn.tailwindcss.com"></script> | |
| <script type="module"> | |
| // base url for audio examples | |
| const AUDIO_BASE_URL = | |
| "https://huggingface.co/datasets/Narsil/candle-examples/resolve/main/"; | |
| // models base url | |
| const MODELS = { | |
| tiny_en: { | |
| base_url: | |
| "https://huggingface.co/openai/whisper-tiny.en/resolve/refs%2Fpr%2F17/", | |
| }, | |
| }; | |
| const whisperWorker = new Worker("./whisperWorker.js", { | |
| type: "module", | |
| }); | |
| async function classifyAudio( | |
| weightsURL, // URL to the weights file | |
| modelID, // model ID | |
| tokenizerURL, // URL to the tokenizer file | |
| mel_filtersURL, // URL to the mel filters file | |
| audioURL, // URL to the audio file | |
| updateStatus // function to update the status | |
| ) { | |
| return new Promise((resolve, reject) => { | |
| whisperWorker.postMessage({ | |
| weightsURL, | |
| modelID, | |
| tokenizerURL, | |
| mel_filtersURL, | |
| audioURL, | |
| }); | |
| whisperWorker.addEventListener("message", (event) => { | |
| console.log(event.data); | |
| if ("status" in event.data) { | |
| updateStatus(event.data); | |
| } | |
| if ("error" in event.data) { | |
| reject(new Error(event.data.error)); | |
| } | |
| if (event.data.status === "complete") { | |
| resolve(event.data); | |
| } | |
| }); | |
| }); | |
| } | |
| // keep track of the audio URL | |
| let audioURL = null; | |
| function setAudio(src) { | |
| const audio = document.querySelector("#audio"); | |
| audio.src = src; | |
| audio.controls = true; | |
| audio.hidden = false; | |
| document.querySelector("#detect").disabled = false; | |
| audioURL = src; | |
| } | |
| // add event listener to audio buttons | |
| document.querySelectorAll("#audios-select > button").forEach((target) => { | |
| target.addEventListener("click", (e) => { | |
| const value = target.dataset.value; | |
| const href = AUDIO_BASE_URL + value; | |
| setAudio(href); | |
| }); | |
| }); | |
| //add event listener to file input | |
| document.querySelector("#file-upload").addEventListener("change", (e) => { | |
| const target = e.target; | |
| if (target.files.length > 0) { | |
| const href = URL.createObjectURL(target.files[0]); | |
| setAudio(href); | |
| } | |
| }); | |
| // add event listener to drop-area | |
| const dropArea = document.querySelector("#drop-area"); | |
| dropArea.addEventListener("dragenter", (e) => { | |
| e.preventDefault(); | |
| dropArea.classList.add("border-blue-700"); | |
| }); | |
| dropArea.addEventListener("dragleave", (e) => { | |
| e.preventDefault(); | |
| dropArea.classList.remove("border-blue-700"); | |
| }); | |
| dropArea.addEventListener("dragover", (e) => { | |
| e.preventDefault(); | |
| dropArea.classList.add("border-blue-700"); | |
| }); | |
| dropArea.addEventListener("drop", (e) => { | |
| e.preventDefault(); | |
| dropArea.classList.remove("border-blue-700"); | |
| const url = e.dataTransfer.getData("text/uri-list"); | |
| const files = e.dataTransfer.files; | |
| if (files.length > 0) { | |
| const href = URL.createObjectURL(files[0]); | |
| setAudio(href); | |
| } else if (url) { | |
| setAudio(url); | |
| } | |
| }); | |
| // add event listener to detect button | |
| document.querySelector("#detect").addEventListener("click", async () => { | |
| if (audioURL === null) { | |
| return; | |
| } | |
| const modelID = document.querySelector("#model").value; | |
| const modelURL = MODELS[modelID].base_url + "model.safetensors"; | |
| const tokenizerURL = MODELS[modelID].base_url + "tokenizer.json"; | |
| classifyAudio( | |
| modelURL, | |
| modelID, | |
| tokenizerURL, | |
| "mel_filters.safetensors", | |
| audioURL, | |
| updateStatus | |
| ) | |
| .then((result) => { | |
| console.log("RESULT", result); | |
| const { output } = result; | |
| const text = output.map((segment) => segment.dr.text).join(" "); | |
| console.log(text); | |
| document.querySelector("#output-status").hidden = true; | |
| document.querySelector("#output-generation").hidden = false; | |
| document.querySelector("#output-generation").textContent = text; | |
| }) | |
| .catch((error) => { | |
| console.error(error); | |
| }); | |
| }); | |
| function updateStatus(data) { | |
| const { status, message } = data; | |
| const button = document.querySelector("#detect"); | |
| if (status === "decoding" || status === "loading") { | |
| button.disabled = true; | |
| button.textContent = message; | |
| } else if (status === "complete") { | |
| button.disabled = false; | |
| button.textContent = "Transcribe Audio"; | |
| } | |
| } | |
| </script> | |
| </head> | |
| <body class="container max-w-4xl mx-auto p-4"> | |
| <main class="grid grid-cols-1 gap-8 relative"> | |
| <span class="absolute text-5xl -ml-[1em]"> 🕯️ </span> | |
| <div> | |
| <h1 class="text-5xl font-bold">Candle Whisper</h1> | |
| <h2 class="text-2xl font-bold">Rust/WASM Demo</h2> | |
| <p class="max-w-lg"> | |
| Transcribe audio in the browser using rust/wasm with an audio file. | |
| This demo uses the | |
| <a | |
| href="https://huggingface.co/openai/" | |
| target="_blank" | |
| class="underline hover:text-blue-500 hover:no-underline" | |
| > | |
| OpenAI Whisper models | |
| </a> | |
| and WASM runtime built with | |
| <a | |
| href="https://github.com/huggingface/candle/" | |
| target="_blank" | |
| class="underline hover:text-blue-500 hover:no-underline" | |
| >Candle | |
| </a> | |
| </p> | |
| </div> | |
| <div> | |
| <label for="model" class="font-medium">Models Options: </label> | |
| <select | |
| id="model" | |
| class="border-2 border-gray-500 rounded-md font-light" | |
| > | |
| <option value="tiny_en" selected>tiny.en (151 MB)</option> | |
| </select> | |
| </div> | |
| <!-- drag and drop area --> | |
| <div class="relative"> | |
| <div | |
| id="drop-area" | |
| class="flex flex-col items-center justify-center border-2 border-gray-300 border-dashed rounded-xl relative h-48 w-full overflow-hidden" | |
| > | |
| <div | |
| class="flex flex-col items-center justify-center space-y-1 text-center" | |
| > | |
| <svg | |
| width="25" | |
| height="25" | |
| viewBox="0 0 25 25" | |
| fill="none" | |
| xmlns="http://www.w3.org/2000/svg" | |
| > | |
| <path | |
| d="M3.5 24.3a3 3 0 0 1-1.9-.8c-.5-.5-.8-1.2-.8-1.9V2.9c0-.7.3-1.3.8-1.9.6-.5 1.2-.7 2-.7h18.6c.7 0 1.3.2 1.9.7.5.6.7 1.2.7 2v18.6c0 .7-.2 1.4-.7 1.9a3 3 0 0 1-2 .8H3.6Zm0-2.7h18.7V2.9H3.5v18.7Zm2.7-2.7h13.3c.3 0 .5 0 .6-.3v-.7l-3.7-5a.6.6 0 0 0-.6-.2c-.2 0-.4 0-.5.3l-3.5 4.6-2.4-3.3a.6.6 0 0 0-.6-.3c-.2 0-.4.1-.5.3l-2.7 3.6c-.1.2-.2.4 0 .7.1.2.3.3.6.3Z" | |
| fill="#000" | |
| /> | |
| </svg> | |
| <div class="flex text-sm text-gray-600"> | |
| <label | |
| for="file-upload" | |
| class="relative cursor-pointer bg-white rounded-md font-medium text-blue-950 hover:text-blue-700" | |
| > | |
| <span>Drag and drop your audio here</span> | |
| <span class="block text-xs">or</span> | |
| <span class="block text-xs">Click to upload</span> | |
| </label> | |
| </div> | |
| <input | |
| id="file-upload" | |
| name="file-upload" | |
| type="file" | |
| accept="audio/*" | |
| class="sr-only" | |
| /> | |
| </div> | |
| <audio | |
| id="audio" | |
| hidden | |
| controls | |
| class="w-full p-2 select-none" | |
| ></audio> | |
| </div> | |
| </div> | |
| <div> | |
| <div class="flex flex-wrap gap-3 items-center" id="audios-select"> | |
| <h3 class="font-medium">Examples:</h3> | |
| <button | |
| data-value="samples_jfk.wav" | |
| class="text-gray-500 border border-gray-500 rounded-md p-2 underline hover:no-underline" | |
| > | |
| <span>jfk.wav</span> | |
| <span class="text-xs block"> (352 kB)</span> | |
| </button> | |
| <button | |
| data-value="samples_a13.wav" | |
| class="text-gray-500 border border-gray-500 rounded-md p-2 underline hover:no-underline" | |
| > | |
| <span>a13.wav</span> | |
| <span class="text-xs block"> (960 kB)</span> | |
| </button> | |
| <button | |
| data-value="samples_mm0.wav" | |
| class="text-gray-500 border border-gray-500 rounded-md p-2 underline hover:no-underline" | |
| > | |
| <span>mm0.wav</span> | |
| <span class="text-xs block new"> (957 kB)</span> | |
| </button> | |
| <button | |
| data-value="samples_gb0.wav" | |
| class="text-gray-500 border border-gray-500 rounded-md p-2 underline hover:no-underline" | |
| > | |
| <span>gb0.wav </span> | |
| <span class="text-xs block">(4.08 MB)</span> | |
| </button> | |
| <button | |
| data-value="samples_gb1.wav" | |
| class="text-gray-500 border border-gray-500 rounded-md p-2 underline hover:no-underline" | |
| > | |
| <span>gb1.wav </span> | |
| <span class="text-xs block">(6.36 MB)</span> | |
| </button> | |
| <button | |
| data-value="samples_hp0.wav" | |
| class="text-gray-500 border border-gray-500 rounded-md p-2 underline hover:no-underline" | |
| > | |
| <span>hp0.wav </span> | |
| <span class="text-xs block">(8.75 MB)</span> | |
| </button> | |
| </div> | |
| </div> | |
| <div> | |
| <button | |
| id="detect" | |
| disabled | |
| class="bg-gray-700 hover:bg-gray-800 text-white font-normal py-2 px-4 rounded disabled:bg-gray-300 disabled:cursor-not-allowed" | |
| > | |
| Transcribe Audio | |
| </button> | |
| </div> | |
| <div> | |
| <h3 class="font-medium">Transcription:</h3> | |
| <div | |
| class="min-h-[250px] bg-slate-100 text-gray-500 p-4 rounded-md flex flex-col gap-2" | |
| > | |
| <p hidden id="output-generation" class="grid-rows-2"></p> | |
| <span id="output-status" class="m-auto font-light" | |
| >No transcription results yet</span | |
| > | |
| </div> | |
| </div> | |
| </main> | |
| </body> | |
| </html> | |