move all into subdirs

.gitignore

@@ -9,7 +9,3 @@ snowboy-2022/snowboy
 **/*.wav
 snowboy-2022/Dockerfile
 **/target
-/candle-wasm-examples-whisper/mel_filters*
-/candle-wasm-examples-whisper/whisper-tiny*
-/candle-wasm-examples-whisper/quantized*
-/candle-wasm-examples-whisper/audios*

.gitmodules

@@ -1,3 +1,3 @@
-[submodule "gitea-whisper-rs"]
+[submodule "rust-whisper.d/gitea-whisper-rs"]
 	path = gitea-whisper-rs
 	url = https://gitea.inhome.blapointe.com/bel/whisper-rs.git

candle-wasm-examples-whisper/Cargo.toml

@@ -1,52 +0,0 @@
-[package]
-name = "candle-wasm-example-whisper"
-version.workspace = true
-edition.workspace = true
-description.workspace = true
-repository.workspace = true
-keywords.workspace = true
-categories.workspace = true
-license.workspace = true
-
-[dependencies]
-candle = { path = "../../candle-core", version = "0.3.2", package = "candle-core" }
-candle-nn = { path = "../../candle-nn", version = "0.3.2" }
-candle-transformers = { path = "../../candle-transformers", version = "0.3.2" }
-num-traits = { workspace = true }
-tokenizers = { workspace = true, features = ["unstable_wasm"] }
-
-# App crates.
-anyhow = { workspace = true }
-log = { workspace = true }
-rand = { workspace = true }
-serde = { workspace = true }
-serde_json = { workspace = true }
-wav = { workspace = true }
-safetensors = { workspace = true }
-
-# Wasm specific crates.
-getrandom = { version = "0.2", features = ["js"] }
-gloo = "0.8"
-js-sys = "0.3.64"
-wasm-bindgen = "0.2.87"
-wasm-bindgen-futures = "0.4.37"
-wasm-logger = "0.2"
-yew-agent = "0.2.0"
-yew = { version = "0.20.0", features = ["csr"] }
-
-[dependencies.web-sys]
-version = "0.3.64"
-features = [
-  'Blob',
-  'Document',
-  'Element',
-  'HtmlElement',
-  'Node',
-  'Window',
-  'Request',
-  'RequestCache',
-  'RequestInit',
-  'RequestMode',
-  'Response',
-  'Performance',
-]

candle-wasm-examples-whisper/README.md

@@ -1,68 +0,0 @@
-## Running Whisper Examples
-
-Here, we provide two examples of how to run Whisper using a Candle-compiled WASM binary and runtimes.
-
-### Pure Rust UI
-
-To build and test the UI made in Rust you will need [Trunk](https://trunkrs.dev/#install)
-From the `candle-wasm-examples/whisper` directory run:
-
-Download assets:
-
-```bash
-# mel filters
-wget -c https://huggingface.co/spaces/lmz/candle-whisper/resolve/main/mel_filters.safetensors
-# Model and tokenizer tiny.en
-wget -c https://huggingface.co/openai/whisper-tiny.en/resolve/main/model.safetensors -P whisper-tiny.en 
-wget -c https://huggingface.co/openai/whisper-tiny.en/raw/main/tokenizer.json -P whisper-tiny.en
-wget -c https://huggingface.co/openai/whisper-tiny.en/raw/main/config.json -P whisper-tiny.en
-# model and tokenizer tiny multilanguage
-wget -c https://huggingface.co/openai/whisper-tiny/resolve/main/model.safetensors -P whisper-tiny
-wget -c https://huggingface.co/openai/whisper-tiny/raw/main/tokenizer.json -P whisper-tiny
-wget -c https://huggingface.co/openai/whisper-tiny/raw/main/config.json -P whisper-tiny
-
-#quantized 
-wget -c https://huggingface.co/lmz/candle-whisper/resolve/main/model-tiny-en-q80.gguf -P quantized
-wget -c https://huggingface.co/lmz/candle-whisper/raw/main/tokenizer-tiny-en.json -P quantized
-wget -c https://huggingface.co/lmz/candle-whisper/raw/main/config-tiny-en.json -P quantized
-
-
-
-# Audio samples
-wget -c https://huggingface.co/datasets/Narsil/candle-examples/resolve/main/samples_gb0.wav -P audios
-wget -c https://huggingface.co/datasets/Narsil/candle-examples/resolve/main/samples_a13.wav -P audios
-wget -c https://huggingface.co/datasets/Narsil/candle-examples/resolve/main/samples_gb1.wav -P audios
-wget -c https://huggingface.co/datasets/Narsil/candle-examples/resolve/main/samples_hp0.wav -P audios
-wget -c https://huggingface.co/datasets/Narsil/candle-examples/resolve/main/samples_jfk.wav -P audios
-wget -c https://huggingface.co/datasets/Narsil/candle-examples/resolve/main/samples_mm0.wav -P audios
-
-```
-
-Run hot reload server:
-
-```bash
-trunk serve --release --public-url / --port 8080
-```
-
-### Vanilla JS and WebWorkers
-
-To build and test the UI made in Vanilla JS and WebWorkers, first we need to build the WASM library:
-
-```bash
-sh build-lib.sh
-```
-
-This will bundle the library under `./build` and we can import it inside our WebWorker like a normal JS module:
-
-```js
-import init, { Decoder } from "./build/m.js";
-```
-
-The full example can be found under `./lib-example.html`. All needed assets are fetched from the web, so no need to download anything.
-Finally, you can preview the example by running a local HTTP server. For example:
-
-```bash
-python -m http.server
-```
-
-Then open `http://localhost:8000/lib-example.html` in your browser.

candle-wasm-examples-whisper/build-lib.sh

@@ -1,2 +0,0 @@
-cargo build --target wasm32-unknown-unknown --release
-wasm-bindgen ../../target/wasm32-unknown-unknown/release/m.wasm --out-dir build --target web

candle-wasm-examples-whisper/index.html

@@ -1,40 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-  <head>
-    <meta charset="utf-8" />
-    <title>Welcome to Candle!</title>
-    <link data-trunk rel="copy-file" href="mel_filters.safetensors" />
-    <!-- samples -->
-    <link data-trunk rel="copy-dir" href="audios" />
-    <!-- tiny.en -->
-    <link data-trunk rel="copy-dir" href="whisper-tiny.en" />
-    <!-- tiny -->
-    <link data-trunk rel="copy-dir" href="whisper-tiny" />
-    <!-- quantized -->
-    <link data-trunk rel="copy-dir" href="quantized" />
-
-    <link
-      data-trunk
-      rel="rust"
-      href="Cargo.toml"
-      data-bin="app"
-      data-type="main" />
-    <link
-      data-trunk
-      rel="rust"
-      href="Cargo.toml"
-      data-bin="worker"
-      data-type="worker" />
-
-    <link
-      rel="stylesheet"
-      href="https://fonts.googleapis.com/css?family=Roboto:300,300italic,700,700italic" />
-    <link
-      rel="stylesheet"
-      href="https://cdnjs.cloudflare.com/ajax/libs/normalize/8.0.1/normalize.css" />
-    <link
-      rel="stylesheet"
-      href="https://cdnjs.cloudflare.com/ajax/libs/milligram/1.4.1/milligram.css" />
-  </head>
-  <body></body>
-</html>

candle-wasm-examples-whisper/lib-example.html

@@ -1,351 +0,0 @@
-<html>
-  <head>
-    <meta content="text/html;charset=utf-8" http-equiv="Content-Type" />
-    <title>Candle Whisper Rust/WASM</title>
-  </head>
-  <body></body>
-</html>
-
-<!DOCTYPE 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_multilingual: {
-            base_url: "https://huggingface.co/openai/whisper-tiny/resolve/main/",
-            model: "model.safetensors",
-            tokenizer: "tokenizer.json",
-            config: "config.json",
-            size: "151 MB",
-          },
-          tiny_en: {
-            base_url:
-              "https://huggingface.co/openai/whisper-tiny.en/resolve/main/",
-            model: "model.safetensors",
-            tokenizer: "tokenizer.json",
-            config: "config.json",
-            size: "151 MB",
-          },
-          tiny_quantized_multilingual_q80: {
-            base_url: "https://huggingface.co/lmz/candle-whisper/resolve/main/",
-            model: "model-tiny-q80.gguf",
-            tokenizer: "tokenizer-tiny.json",
-            config: "config-tiny.json",
-            size: "41.5 MB",
-          },
-          tiny_en_quantized_q80: {
-            base_url: "https://huggingface.co/lmz/candle-whisper/resolve/main/",
-            model: "model-tiny-q80.gguf",
-            tokenizer: "tokenizer-tiny-en.json",
-            config: "config-tiny-en.json",
-            size: "41.8 MB",
-          },
-          distil_medium_en: {
-            base_url:
-              "https://huggingface.co/distil-whisper/distil-medium.en/resolve/main/",
-            model: "model.safetensors",
-            tokenizer: "tokenizer.json",
-            config: "config.json",
-            size: "789 MB",
-          },
-        };
-
-      const modelEl = document.querySelector("#model");
-
-      Object.keys(MODELS).forEach((modelID) => {
-        const model = MODELS[modelID];
-        const option = document.createElement("option");
-        option.value = modelID;
-        option.textContent = `${modelID} (${model.size})`;
-        modelEl.appendChild(option);
-      });
-      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
-        configURL, // model config URL
-        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,
-            configURL,
-            mel_filtersURL,
-            audioURL,
-          });
-          function messageHandler(event) {
-            console.log(event.data);
-            if ("status" in event.data) {
-              updateStatus(event.data);
-            }
-            if ("error" in event.data) {
-              whisperWorker.removeEventListener("message", messageHandler);
-              reject(new Error(event.data.error));
-            }
-            if (event.data.status === "complete") {
-              whisperWorker.removeEventListener("message", messageHandler);
-              resolve(event.data);
-            }
-          }
-          whisperWorker.addEventListener("message", messageHandler);
-        });
-      }
-
-      // 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 = modelEl.value;
-        const model = MODELS[modelID];
-        const modelURL = model.base_url + model.model;
-        const tokenizerURL = model.base_url + model.tokenizer;
-        const configURL = model.base_url + model.config;
-
-        classifyAudio(
-          modelURL,
-          modelID,
-          tokenizerURL,
-          configURL,
-          "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">
-        </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>

candle-wasm-examples-whisper/main.js

@@ -1,6 +0,0 @@
-import init, { run_app } from './pkg/candle_wasm_example_whisper.js';
-async function main() {
-   await init('/pkg/candle_wasm_example_whisper_bg.wasm');
-   run_app();
-}
-main()

candle-wasm-examples-whisper/src/app.rs

@@ -1,283 +0,0 @@
-use crate::console_log;
-use crate::worker::{ModelData, Segment, Worker, WorkerInput, WorkerOutput};
-use js_sys::Date;
-use wasm_bindgen::prelude::*;
-use wasm_bindgen_futures::JsFuture;
-use yew::{html, Component, Context, Html};
-use yew_agent::{Bridge, Bridged};
-
-const SAMPLE_NAMES: [&str; 6] = [
-    "audios/samples_jfk.wav",
-    "audios/samples_a13.wav",
-    "audios/samples_gb0.wav",
-    "audios/samples_gb1.wav",
-    "audios/samples_hp0.wav",
-    "audios/samples_mm0.wav",
-];
-
-async fn fetch_url(url: &str) -> Result<Vec<u8>, JsValue> {
-    use web_sys::{Request, RequestCache, RequestInit, RequestMode, Response};
-    let window = web_sys::window().ok_or("window")?;
-    let mut opts = RequestInit::new();
-    let opts = opts
-        .method("GET")
-        .mode(RequestMode::Cors)
-        .cache(RequestCache::NoCache);
-
-    let request = Request::new_with_str_and_init(url, opts)?;
-
-    let resp_value = JsFuture::from(window.fetch_with_request(&request)).await?;
-
-    // `resp_value` is a `Response` object.
-    assert!(resp_value.is_instance_of::<Response>());
-    let resp: Response = resp_value.dyn_into()?;
-    let data = JsFuture::from(resp.blob()?).await?;
-    let blob = web_sys::Blob::from(data);
-    let array_buffer = JsFuture::from(blob.array_buffer()).await?;
-    let data = js_sys::Uint8Array::new(&array_buffer).to_vec();
-    Ok(data)
-}
-
-pub enum Msg {
-    Run(usize),
-    UpdateStatus(String),
-    SetDecoder(ModelData),
-    WorkerInMsg(WorkerInput),
-    WorkerOutMsg(Result<WorkerOutput, String>),
-}
-
-pub struct CurrentDecode {
-    start_time: Option<f64>,
-}
-
-pub struct App {
-    status: String,
-    loaded: bool,
-    segments: Vec<Segment>,
-    current_decode: Option<CurrentDecode>,
-    worker: Box<dyn Bridge<Worker>>,
-}
-
-async fn model_data_load() -> Result<ModelData, JsValue> {
-    let quantized = false;
-    let is_multilingual = false;
-
-    let (tokenizer, mel_filters, weights, config) = if quantized {
-        console_log!("loading quantized weights");
-        let tokenizer = fetch_url("quantized/tokenizer-tiny-en.json").await?;
-        let mel_filters = fetch_url("mel_filters.safetensors").await?;
-        let weights = fetch_url("quantized/model-tiny-en-q80.gguf").await?;
-        let config = fetch_url("quantized/config-tiny-en.json").await?;
-        (tokenizer, mel_filters, weights, config)
-    } else {
-        console_log!("loading float weights");
-        if is_multilingual {
-            let mel_filters = fetch_url("mel_filters.safetensors").await?;
-            let tokenizer = fetch_url("whisper-tiny/tokenizer.json").await?;
-            let weights = fetch_url("whisper-tiny/model.safetensors").await?;
-            let config = fetch_url("whisper-tiny/config.json").await?;
-            (tokenizer, mel_filters, weights, config)
-        } else {
-            let mel_filters = fetch_url("mel_filters.safetensors").await?;
-            let tokenizer = fetch_url("whisper-tiny.en/tokenizer.json").await?;
-            let weights = fetch_url("whisper-tiny.en/model.safetensors").await?;
-            let config = fetch_url("whisper-tiny.en/config.json").await?;
-            (tokenizer, mel_filters, weights, config)
-        }
-    };
-
-    let timestamps = true;
-    let _task = Some("transcribe".to_string());
-    console_log!("{}", weights.len());
-    Ok(ModelData {
-        tokenizer,
-        mel_filters,
-        weights,
-        config,
-        quantized,
-        timestamps,
-        task: None,
-        is_multilingual,
-        language: None,
-    })
-}
-
-fn performance_now() -> Option<f64> {
-    let window = web_sys::window()?;
-    let performance = window.performance()?;
-    Some(performance.now() / 1000.)
-}
-
-impl Component for App {
-    type Message = Msg;
-    type Properties = ();
-
-    fn create(ctx: &Context<Self>) -> Self {
-        let status = "loading weights".to_string();
-        let cb = {
-            let link = ctx.link().clone();
-            move |e| link.send_message(Self::Message::WorkerOutMsg(e))
-        };
-        let worker = Worker::bridge(std::rc::Rc::new(cb));
-        Self {
-            status,
-            segments: vec![],
-            current_decode: None,
-            worker,
-            loaded: false,
-        }
-    }
-
-    fn rendered(&mut self, ctx: &Context<Self>, first_render: bool) {
-        if first_render {
-            ctx.link().send_future(async {
-                match model_data_load().await {
-                    Err(err) => {
-                        let status = format!("{err:?}");
-                        Msg::UpdateStatus(status)
-                    }
-                    Ok(model_data) => Msg::SetDecoder(model_data),
-                }
-            });
-        }
-    }
-
-    fn update(&mut self, ctx: &Context<Self>, msg: Self::Message) -> bool {
-        match msg {
-            Msg::SetDecoder(md) => {
-                self.status = "weights loaded successfully!".to_string();
-                self.loaded = true;
-                console_log!("loaded weights");
-                self.worker.send(WorkerInput::ModelData(md));
-                true
-            }
-            Msg::Run(sample_index) => {
-                let sample = SAMPLE_NAMES[sample_index];
-                if self.current_decode.is_some() {
-                    self.status = "already decoding some sample at the moment".to_string()
-                } else {
-                    let start_time = performance_now();
-                    self.current_decode = Some(CurrentDecode { start_time });
-                    self.status = format!("decoding {sample}");
-                    self.segments.clear();
-                    ctx.link().send_future(async move {
-                        match fetch_url(sample).await {
-                            Err(err) => {
-                                let output = Err(format!("decoding error: {err:?}"));
-                                // Mimic a worker output to so as to release current_decode
-                                Msg::WorkerOutMsg(output)
-                            }
-                            Ok(wav_bytes) => {
-                                Msg::WorkerInMsg(WorkerInput::DecodeTask { wav_bytes })
-                            }
-                        }
-                    })
-                }
-                //
-                true
-            }
-            Msg::WorkerOutMsg(output) => {
-                let dt = self.current_decode.as_ref().and_then(|current_decode| {
-                    current_decode.start_time.and_then(|start_time| {
-                        performance_now().map(|stop_time| stop_time - start_time)
-                    })
-                });
-                self.current_decode = None;
-                match output {
-                    Ok(WorkerOutput::WeightsLoaded) => self.status = "weights loaded!".to_string(),
-                    Ok(WorkerOutput::Decoded(segments)) => {
-                        self.status = match dt {
-                            None => "decoding succeeded!".to_string(),
-                            Some(dt) => format!("decoding succeeded in {:.2}s", dt),
-                        };
-                        self.segments = segments;
-                    }
-                    Err(err) => {
-                        self.status = format!("decoding error {err:?}");
-                    }
-                }
-                true
-            }
-            Msg::WorkerInMsg(inp) => {
-                self.worker.send(inp);
-                true
-            }
-            Msg::UpdateStatus(status) => {
-                self.status = status;
-                true
-            }
-        }
-    }
-
-    fn view(&self, ctx: &Context<Self>) -> Html {
-        html! {
-            <div>
-                <table>
-                <thead>
-                <tr>
-                  <th>{"Sample"}</th>
-                  <th></th>
-                  <th></th>
-                </tr>
-                </thead>
-                <tbody>
-                {
-                    SAMPLE_NAMES.iter().enumerate().map(|(i, name)| { html! {
-                <tr>
-                  <th>{name}</th>
-                  <th><audio controls=true src={format!("./{name}")}></audio></th>
-                  { if self.loaded {
-                      html!(<th><button class="button" onclick={ctx.link().callback(move |_| Msg::Run(i))}> { "run" }</button></th>)
-                       }else{html!()}
-                  }
-                </tr>
-                    }
-                    }).collect::<Html>()
-                }
-                </tbody>
-                </table>
-                <h2>
-                  {&self.status}
-                </h2>
-                {
-                    if !self.loaded{
-                        html! { <progress id="progress-bar" aria-label="loading weights…"></progress> }
-                    } else if self.current_decode.is_some() {
-                        html! { <progress id="progress-bar" aria-label="decoding…"></progress> }
-                    } else { html!{
-                <blockquote>
-                <p>
-                  {
-                      self.segments.iter().map(|segment| { html! {
-                          <>
-                          <i>
-                          {
-                              format!("{:.2}s-{:.2}s: (avg-logprob: {:.4}, no-speech-prob: {:.4})",
-                                  segment.start,
-                                  segment.start + segment.duration,
-                                  segment.dr.avg_logprob,
-                                  segment.dr.no_speech_prob,
-                              )
-                          }
-                          </i>
-                          <br/ >
-                          {&segment.dr.text}
-                          <br/ >
-                          </>
-                      } }).collect::<Html>()
-                  }
-                </p>
-                </blockquote>
-                }
-                }
-                }
-
-                // Display the current date and time the page was rendered
-                <p class="footer">
-                    { "Rendered: " }
-                    { String::from(Date::new_0().to_string()) }
-                </p>
-            </div>
-        }
-    }
-}

candle-wasm-examples-whisper/src/audio.rs

@@ -1,215 +0,0 @@
-// Audio processing code, adapted from whisper.cpp
-// https://github.com/ggerganov/whisper.cpp
-use super::worker;
-
-pub trait Float: num_traits::Float + num_traits::FloatConst + num_traits::NumAssign {}
-
-impl Float for f32 {}
-impl Float for f64 {}
-
-// https://github.com/ggerganov/whisper.cpp/blob/4774d2feb01a772a15de81ffc34b34a1f294f020/whisper.cpp#L2357
-fn fft<T: Float>(inp: &[T]) -> Vec<T> {
-    let n = inp.len();
-    let zero = T::zero();
-    if n == 1 {
-        return vec![inp[0], zero];
-    }
-    if n % 2 == 1 {
-        return dft(inp);
-    }
-    let mut out = vec![zero; n * 2];
-
-    let mut even = Vec::with_capacity(n / 2);
-    let mut odd = Vec::with_capacity(n / 2);
-
-    for (i, &inp) in inp.iter().enumerate() {
-        if i % 2 == 0 {
-            even.push(inp)
-        } else {
-            odd.push(inp);
-        }
-    }
-
-    let even_fft = fft(&even);
-    let odd_fft = fft(&odd);
-
-    let two_pi = T::PI() + T::PI();
-    let n_t = T::from(n).unwrap();
-    for k in 0..n / 2 {
-        let k_t = T::from(k).unwrap();
-        let theta = two_pi * k_t / n_t;
-        let re = theta.cos();
-        let im = -theta.sin();
-
-        let re_odd = odd_fft[2 * k];
-        let im_odd = odd_fft[2 * k + 1];
-
-        out[2 * k] = even_fft[2 * k] + re * re_odd - im * im_odd;
-        out[2 * k + 1] = even_fft[2 * k + 1] + re * im_odd + im * re_odd;
-
-        out[2 * (k + n / 2)] = even_fft[2 * k] - re * re_odd + im * im_odd;
-        out[2 * (k + n / 2) + 1] = even_fft[2 * k + 1] - re * im_odd - im * re_odd;
-    }
-    out
-}
-
-// https://github.com/ggerganov/whisper.cpp/blob/4774d2feb01a772a15de81ffc34b34a1f294f020/whisper.cpp#L2337
-fn dft<T: Float>(inp: &[T]) -> Vec<T> {
-    let zero = T::zero();
-    let n = inp.len();
-    let two_pi = T::PI() + T::PI();
-
-    let mut out = Vec::with_capacity(2 * n);
-    let n_t = T::from(n).unwrap();
-    for k in 0..n {
-        let k_t = T::from(k).unwrap();
-        let mut re = zero;
-        let mut im = zero;
-
-        for (j, &inp) in inp.iter().enumerate() {
-            let j_t = T::from(j).unwrap();
-            let angle = two_pi * k_t * j_t / n_t;
-            re += inp * angle.cos();
-            im -= inp * angle.sin();
-        }
-
-        out.push(re);
-        out.push(im);
-    }
-    out
-}
-
-#[allow(clippy::too_many_arguments)]
-// https://github.com/ggerganov/whisper.cpp/blob/4774d2feb01a772a15de81ffc34b34a1f294f020/whisper.cpp#L2414
-fn log_mel_spectrogram_w<T: Float>(
-    ith: usize,
-    hann: &[T],
-    samples: &[T],
-    filters: &[T],
-    fft_size: usize,
-    fft_step: usize,
-    speed_up: bool,
-    n_len: usize,
-    n_mel: usize,
-    n_threads: usize,
-) -> Vec<T> {
-    let n_fft = if speed_up {
-        1 + fft_size / 4
-    } else {
-        1 + fft_size / 2
-    };
-
-    let zero = T::zero();
-    let half = T::from(0.5).unwrap();
-    let mut fft_in = vec![zero; fft_size];
-    let mut mel = vec![zero; n_len * n_mel];
-
-    for i in (ith..n_len).step_by(n_threads) {
-        let offset = i * fft_step;
-
-        // apply Hanning window
-        for j in 0..fft_size {
-            fft_in[j] = if offset + j < samples.len() {
-                hann[j] * samples[offset + j]
-            } else {
-                zero
-            }
-        }
-
-        // FFT -> mag^2
-        let mut fft_out: Vec<T> = fft(&fft_in);
-
-        for j in 0..fft_size {
-            fft_out[j] = fft_out[2 * j] * fft_out[2 * j] + fft_out[2 * j + 1] * fft_out[2 * j + 1];
-        }
-        for j in 1..fft_size / 2 {
-            let v = fft_out[fft_size - j];
-            fft_out[j] += v;
-        }
-
-        if speed_up {
-            // scale down in the frequency domain results in a speed up in the time domain
-            for j in 0..n_fft {
-                fft_out[j] = half * (fft_out[2 * j] + fft_out[2 * j + 1]);
-            }
-        }
-
-        // mel spectrogram
-        for j in 0..n_mel {
-            let mut sum = zero;
-            for k in 0..n_fft {
-                sum += fft_out[k] * filters[j * n_fft + k];
-            }
-            mel[j * n_len + i] = T::max(sum, T::from(1e-10).unwrap()).log10();
-        }
-    }
-    mel
-}
-
-fn log_mel_spectrogram_<T: Float + std::fmt::Display>(
-    samples: &[T],
-    filters: &[T],
-    fft_size: usize,
-    fft_step: usize,
-    n_mel: usize,
-    speed_up: bool,
-) -> Vec<T> {
-    let zero = T::zero();
-    let two_pi = T::PI() + T::PI();
-    let half = T::from(0.5).unwrap();
-    let one = T::from(1.0).unwrap();
-    let four = T::from(4.0).unwrap();
-    let fft_size_t = T::from(fft_size).unwrap();
-
-    let hann: Vec<T> = (0..fft_size)
-        .map(|i| half * (one - ((two_pi * T::from(i).unwrap()) / fft_size_t).cos()))
-        .collect();
-    let n_len = samples.len() / fft_step;
-
-    // pad audio with at least one extra chunk of zeros
-    let pad = 100 * worker::m::CHUNK_LENGTH / 2;
-    let n_len = if n_len % pad != 0 {
-        (n_len / pad + 1) * pad
-    } else {
-        n_len
-    };
-    let n_len = n_len + pad;
-    let samples = {
-        let mut samples_padded = samples.to_vec();
-        let to_add = n_len * fft_step - samples.len();
-        samples_padded.extend(std::iter::repeat(zero).take(to_add));
-        samples_padded
-    };
-
-    // Use a single thread for now.
-    let mut mel = log_mel_spectrogram_w(
-        0, &hann, &samples, filters, fft_size, fft_step, speed_up, n_len, n_mel, 1,
-    );
-    let mmax = mel
-        .iter()
-        .max_by(|&u, &v| u.partial_cmp(v).unwrap_or(std::cmp::Ordering::Greater))
-        .copied()
-        .unwrap_or(zero)
-        - T::from(8).unwrap();
-    for m in mel.iter_mut() {
-        let v = T::max(*m, mmax);
-        *m = v / four + one
-    }
-    mel
-}
-
-pub fn pcm_to_mel<T: Float + std::fmt::Display>(
-    cfg: &worker::m::Config,
-    samples: &[T],
-    filters: &[T],
-) -> anyhow::Result<Vec<T>> {
-    let mel = log_mel_spectrogram_(
-        samples,
-        filters,
-        worker::m::N_FFT,
-        worker::m::HOP_LENGTH,
-        cfg.num_mel_bins,
-        false,
-    );
-    Ok(mel)
-}

candle-wasm-examples-whisper/src/bin/app.rs

@@ -1,4 +0,0 @@
-fn main() {
-    wasm_logger::init(wasm_logger::Config::new(log::Level::Trace));
-    yew::Renderer::<candle_wasm_example_whisper::App>::new().render();
-}

candle-wasm-examples-whisper/src/bin/m.rs

@@ -1,53 +0,0 @@
-use candle_wasm_example_whisper::worker::{Decoder as D, ModelData};
-use wasm_bindgen::prelude::*;
-
-#[wasm_bindgen]
-pub struct Decoder {
-    decoder: D,
-}
-
-#[wasm_bindgen]
-impl Decoder {
-    #[wasm_bindgen(constructor)]
-    #[allow(clippy::too_many_arguments)]
-    pub fn new(
-        weights: Vec<u8>,
-        tokenizer: Vec<u8>,
-        mel_filters: Vec<u8>,
-        config: Vec<u8>,
-        quantized: bool,
-        is_multilingual: bool,
-        timestamps: bool,
-        task: Option<String>,
-        language: Option<String>,
-    ) -> Result<Decoder, JsError> {
-        let decoder = D::load(ModelData {
-            tokenizer,
-            mel_filters,
-            config,
-            quantized,
-            weights,
-            is_multilingual,
-            timestamps,
-            task,
-            language,
-        });
-
-        match decoder {
-            Ok(decoder) => Ok(Self { decoder }),
-            Err(e) => Err(JsError::new(&e.to_string())),
-        }
-    }
-
-    #[wasm_bindgen]
-    pub fn decode(&mut self, wav_input: Vec<u8>) -> Result<String, JsError> {
-        let segments = self
-            .decoder
-            .convert_and_run(&wav_input)
-            .map_err(|e| JsError::new(&e.to_string()))?;
-        let json = serde_json::to_string(&segments)?;
-        Ok(json)
-    }
-}
-
-fn main() {}

candle-wasm-examples-whisper/src/bin/worker.rs

@@ -1,4 +0,0 @@
-use yew_agent::PublicWorker;
-fn main() {
-    candle_wasm_example_whisper::Worker::register();
-}

candle-wasm-examples-whisper/src/languages.rs

@@ -1,101 +0,0 @@
-pub const LANGUAGES: [(&str, &str); 99] = [
-    ("en", "english"),
-    ("zh", "chinese"),
-    ("de", "german"),
-    ("es", "spanish"),
-    ("ru", "russian"),
-    ("ko", "korean"),
-    ("fr", "french"),
-    ("ja", "japanese"),
-    ("pt", "portuguese"),
-    ("tr", "turkish"),
-    ("pl", "polish"),
-    ("ca", "catalan"),
-    ("nl", "dutch"),
-    ("ar", "arabic"),
-    ("sv", "swedish"),
-    ("it", "italian"),
-    ("id", "indonesian"),
-    ("hi", "hindi"),
-    ("fi", "finnish"),
-    ("vi", "vietnamese"),
-    ("he", "hebrew"),
-    ("uk", "ukrainian"),
-    ("el", "greek"),
-    ("ms", "malay"),
-    ("cs", "czech"),
-    ("ro", "romanian"),
-    ("da", "danish"),
-    ("hu", "hungarian"),
-    ("ta", "tamil"),
-    ("no", "norwegian"),
-    ("th", "thai"),
-    ("ur", "urdu"),
-    ("hr", "croatian"),
-    ("bg", "bulgarian"),
-    ("lt", "lithuanian"),
-    ("la", "latin"),
-    ("mi", "maori"),
-    ("ml", "malayalam"),
-    ("cy", "welsh"),
-    ("sk", "slovak"),
-    ("te", "telugu"),
-    ("fa", "persian"),
-    ("lv", "latvian"),
-    ("bn", "bengali"),
-    ("sr", "serbian"),
-    ("az", "azerbaijani"),
-    ("sl", "slovenian"),
-    ("kn", "kannada"),
-    ("et", "estonian"),
-    ("mk", "macedonian"),
-    ("br", "breton"),
-    ("eu", "basque"),
-    ("is", "icelandic"),
-    ("hy", "armenian"),
-    ("ne", "nepali"),
-    ("mn", "mongolian"),
-    ("bs", "bosnian"),
-    ("kk", "kazakh"),
-    ("sq", "albanian"),
-    ("sw", "swahili"),
-    ("gl", "galician"),
-    ("mr", "marathi"),
-    ("pa", "punjabi"),
-    ("si", "sinhala"),
-    ("km", "khmer"),
-    ("sn", "shona"),
-    ("yo", "yoruba"),
-    ("so", "somali"),
-    ("af", "afrikaans"),
-    ("oc", "occitan"),
-    ("ka", "georgian"),
-    ("be", "belarusian"),
-    ("tg", "tajik"),
-    ("sd", "sindhi"),
-    ("gu", "gujarati"),
-    ("am", "amharic"),
-    ("yi", "yiddish"),
-    ("lo", "lao"),
-    ("uz", "uzbek"),
-    ("fo", "faroese"),
-    ("ht", "haitian creole"),
-    ("ps", "pashto"),
-    ("tk", "turkmen"),
-    ("nn", "nynorsk"),
-    ("mt", "maltese"),
-    ("sa", "sanskrit"),
-    ("lb", "luxembourgish"),
-    ("my", "myanmar"),
-    ("bo", "tibetan"),
-    ("tl", "tagalog"),
-    ("mg", "malagasy"),
-    ("as", "assamese"),
-    ("tt", "tatar"),
-    ("haw", "hawaiian"),
-    ("ln", "lingala"),
-    ("ha", "hausa"),
-    ("ba", "bashkir"),
-    ("jw", "javanese"),
-    ("su", "sundanese"),
-];

candle-wasm-examples-whisper/src/lib.rs

@@ -1,29 +0,0 @@
-pub const WITH_TIMER: bool = true;
-
-struct Timer {
-    label: &'static str,
-}
-
-// impl Timer {
-//     fn new(label: &'static str) -> Self {
-//         if WITH_TIMER {
-//             web_sys::console::time_with_label(label);
-//         }
-//         Self { label }
-//     }
-// }
-
-impl Drop for Timer {
-    fn drop(&mut self) {
-        if WITH_TIMER {
-            web_sys::console::time_end_with_label(self.label)
-        }
-    }
-}
-
-mod app;
-mod audio;
-pub mod languages;
-pub mod worker;
-pub use app::App;
-pub use worker::Worker;

candle-wasm-examples-whisper/src/worker.rs

@@ -1,492 +0,0 @@
-use crate::languages::LANGUAGES;
-use anyhow::Error as E;
-use candle::{safetensors::Load, DType, Device, IndexOp, Tensor, D};
-use candle_nn::{ops::softmax, VarBuilder};
-pub use candle_transformers::models::whisper::{self as m, Config};
-use rand::{distributions::Distribution, rngs::StdRng, SeedableRng};
-use serde::{Deserialize, Serialize};
-use tokenizers::Tokenizer;
-use wasm_bindgen::prelude::*;
-use yew_agent::{HandlerId, Public, WorkerLink};
-
-#[wasm_bindgen]
-extern "C" {
-    // Use `js_namespace` here to bind `console.log(..)` instead of just
-    // `log(..)`
-    #[wasm_bindgen(js_namespace = console)]
-    pub fn log(s: &str);
-}
-
-#[macro_export]
-macro_rules! console_log {
-    // Note that this is using the `log` function imported above during
-    // `bare_bones`
-    ($($t:tt)*) => ($crate::worker::log(&format_args!($($t)*).to_string()))
-}
-
-pub const DTYPE: DType = DType::F32;
-
-pub enum Model {
-    Normal(m::model::Whisper),
-    Quantized(m::quantized_model::Whisper),
-}
-
-// Maybe we should use some traits rather than doing the dispatch for all these.
-impl Model {
-    pub fn config(&self) -> &Config {
-        match self {
-            Self::Normal(m) => &m.config,
-            Self::Quantized(m) => &m.config,
-        }
-    }
-
-    pub fn encoder_forward(&mut self, x: &Tensor, flush: bool) -> candle::Result<Tensor> {
-        match self {
-            Self::Normal(m) => m.encoder.forward(x, flush),
-            Self::Quantized(m) => m.encoder.forward(x, flush),
-        }
-    }
-
-    pub fn decoder_forward(
-        &mut self,
-        x: &Tensor,
-        xa: &Tensor,
-        flush: bool,
-    ) -> candle::Result<Tensor> {
-        match self {
-            Self::Normal(m) => m.decoder.forward(x, xa, flush),
-            Self::Quantized(m) => m.decoder.forward(x, xa, flush),
-        }
-    }
-
-    pub fn decoder_final_linear(&self, x: &Tensor) -> candle::Result<Tensor> {
-        match self {
-            Self::Normal(m) => m.decoder.final_linear(x),
-            Self::Quantized(m) => m.decoder.final_linear(x),
-        }
-    }
-}
-
-#[derive(Debug, Clone, Serialize, Deserialize)]
-pub struct DecodingResult {
-    pub tokens: Vec<u32>,
-    pub text: String,
-    pub avg_logprob: f64,
-    pub no_speech_prob: f64,
-    temperature: f64,
-    compression_ratio: f64,
-}
-
-#[derive(Debug, Clone, Serialize, Deserialize)]
-pub struct Segment {
-    pub start: f64,
-    pub duration: f64,
-    pub dr: DecodingResult,
-}
-
-pub struct Decoder {
-    model: Model,
-    rng: rand::rngs::StdRng,
-    task: Option<Task>,
-    language: Option<String>,
-    is_multilingual: bool,
-    mel_filters: Vec<f32>,
-    timestamps: bool,
-    tokenizer: Tokenizer,
-    suppress_tokens: Tensor,
-    sot_token: u32,
-    transcribe_token: u32,
-    translate_token: u32,
-    eot_token: u32,
-    no_speech_token: u32,
-    no_timestamps_token: u32,
-}
-
-impl Decoder {
-    #[allow(clippy::too_many_arguments)]
-    fn new(
-        model: Model,
-        tokenizer: Tokenizer,
-        mel_filters: Vec<f32>,
-        device: &Device,
-        task: Option<Task>,
-        language: Option<String>,
-        is_multilingual: bool,
-        timestamps: bool,
-    ) -> anyhow::Result<Self> {
-        let suppress_tokens: Vec<f32> = (0..model.config().vocab_size as u32)
-            .map(|i| {
-                if model.config().suppress_tokens.contains(&i) {
-                    f32::NEG_INFINITY
-                } else {
-                    0f32
-                }
-            })
-            .collect();
-        let no_timestamps_token = token_id(&tokenizer, m::NO_TIMESTAMPS_TOKEN)?;
-        let suppress_tokens = Tensor::new(suppress_tokens.as_slice(), device)?;
-        let sot_token = token_id(&tokenizer, m::SOT_TOKEN)?;
-        let transcribe_token = token_id(&tokenizer, m::TRANSCRIBE_TOKEN)?;
-        let translate_token = token_id(&tokenizer, m::TRANSLATE_TOKEN)?;
-        let eot_token = token_id(&tokenizer, m::EOT_TOKEN)?;
-        let no_speech_token = m::NO_SPEECH_TOKENS
-            .iter()
-            .find_map(|token| token_id(&tokenizer, token).ok());
-        let no_speech_token = match no_speech_token {
-            None => anyhow::bail!("unable to find any non-speech token"),
-            Some(n) => n,
-        };
-        let seed = 299792458;
-        Ok(Self {
-            model,
-            rng: StdRng::seed_from_u64(seed),
-            tokenizer,
-            mel_filters,
-            task,
-            timestamps,
-            language,
-            is_multilingual,
-            suppress_tokens,
-            sot_token,
-            transcribe_token,
-            translate_token,
-            eot_token,
-            no_speech_token,
-            no_timestamps_token,
-        })
-    }
-
-    fn decode(&mut self, mel: &Tensor, t: f64) -> anyhow::Result<DecodingResult> {
-        let model = &mut self.model;
-        let language_token = match (self.is_multilingual, &self.language) {
-            (true, None) => Some(detect_language(model, &self.tokenizer, mel)?),
-            (false, None) => None,
-            (true, Some(language)) => {
-                match token_id(&self.tokenizer, &format!("<|{:?}|>", self.language)) {
-                    Ok(token_id) => Some(token_id),
-                    Err(_) => anyhow::bail!("language {language} is not supported"),
-                }
-            }
-            (false, Some(_)) => {
-                anyhow::bail!("a language cannot be set for non-multilingual models")
-            }
-        };
-
-        let audio_features = model.encoder_forward(mel, true)?;
-        println!("audio features: {:?}", audio_features.dims());
-        let sample_len = model.config().max_target_positions / 2;
-        let mut sum_logprob = 0f64;
-        let mut no_speech_prob = f64::NAN;
-        let mut tokens = vec![self.sot_token];
-        if let Some(language_token) = language_token {
-            tokens.push(language_token);
-        }
-        match self.task {
-            None | Some(Task::Transcribe) => tokens.push(self.transcribe_token),
-            Some(Task::Translate) => tokens.push(self.translate_token),
-        }
-        if !self.timestamps {
-            tokens.push(self.no_timestamps_token);
-        }
-        for i in 0..sample_len {
-            let tokens_t = Tensor::new(tokens.as_slice(), mel.device())?;
-
-            // The model expects a batch dim but this inference loop does not handle
-            // it so we add it at this point.
-            let tokens_t = tokens_t.unsqueeze(0)?;
-            let ys = model.decoder_forward(&tokens_t, &audio_features, i == 0)?;
-
-            // Extract the no speech probability on the first iteration by looking at the first
-            // token logits and the probability for the according token.
-            if i == 0 {
-                let logits = model.decoder_final_linear(&ys.i(..1)?)?.i(0)?.i(0)?;
-                no_speech_prob = softmax(&logits, 0)?
-                    .i(self.no_speech_token as usize)?
-                    .to_scalar::<f32>()? as f64;
-            }
-
-            let (_, seq_len, _) = ys.dims3()?;
-            let logits = model
-                .decoder_final_linear(&ys.i((..1, seq_len - 1..))?)?
-                .i(0)?
-                .i(0)?;
-            // TODO: Besides suppress tokens, we should apply the heuristics from
-            // ApplyTimestampRules, i.e.:
-            // - Timestamps come in pairs, except before EOT.
-            // - Timestamps should be non-decreasing.
-            // - If the sum of the probabilities of timestamps is higher than any other tokens,
-            //   only consider timestamps when sampling.
-            // https://github.com/openai/whisper/blob/e8622f9afc4eba139bf796c210f5c01081000472/whisper/decoding.py#L439
-            let logits = logits.broadcast_add(&self.suppress_tokens)?;
-            let next_token = if t > 0f64 {
-                let prs = softmax(&(&logits / t)?, 0)?;
-                let logits_v: Vec<f32> = prs.to_vec1()?;
-                let distr = rand::distributions::WeightedIndex::new(&logits_v)?;
-                distr.sample(&mut self.rng) as u32
-            } else {
-                let logits_v: Vec<f32> = logits.to_vec1()?;
-                logits_v
-                    .iter()
-                    .enumerate()
-                    .max_by(|(_, u), (_, v)| u.total_cmp(v))
-                    .map(|(i, _)| i as u32)
-                    .unwrap()
-            };
-            tokens.push(next_token);
-            let prob = softmax(&logits, candle::D::Minus1)?
-                .i(next_token as usize)?
-                .to_scalar::<f32>()? as f64;
-            if next_token == self.eot_token || tokens.len() > model.config().max_target_positions {
-                break;
-            }
-            sum_logprob += prob.ln();
-        }
-        let text = self.tokenizer.decode(&tokens, true).map_err(E::msg)?;
-        let avg_logprob = sum_logprob / tokens.len() as f64;
-
-        Ok(DecodingResult {
-            tokens,
-            text,
-            avg_logprob,
-            no_speech_prob,
-            temperature: t,
-            compression_ratio: f64::NAN,
-        })
-    }
-
-    fn decode_with_fallback(&mut self, segment: &Tensor) -> anyhow::Result<DecodingResult> {
-        for (i, &t) in m::TEMPERATURES.iter().enumerate() {
-            let dr: Result<DecodingResult, _> = self.decode(segment, t);
-            if i == m::TEMPERATURES.len() - 1 {
-                return dr;
-            }
-            // On errors, we try again with a different temperature.
-            match dr {
-                Ok(dr) => {
-                    let needs_fallback = dr.compression_ratio > m::COMPRESSION_RATIO_THRESHOLD
-                        || dr.avg_logprob < m::LOGPROB_THRESHOLD;
-                    if !needs_fallback || dr.no_speech_prob > m::NO_SPEECH_THRESHOLD {
-                        return Ok(dr);
-                    }
-                }
-                Err(err) => {
-                    console_log!("Error running at {t}: {err}")
-                }
-            }
-        }
-        unreachable!()
-    }
-
-    fn run(&mut self, mel: &Tensor) -> anyhow::Result<Vec<Segment>> {
-        let (_, _, content_frames) = mel.dims3()?;
-        let mut seek = 0;
-        let mut segments = vec![];
-        while seek < content_frames {
-            let time_offset = (seek * m::HOP_LENGTH) as f64 / m::SAMPLE_RATE as f64;
-            let segment_size = usize::min(content_frames - seek, m::N_FRAMES);
-            let mel_segment = mel.narrow(2, seek, segment_size)?;
-            let segment_duration = (segment_size * m::HOP_LENGTH) as f64 / m::SAMPLE_RATE as f64;
-            let dr = self.decode_with_fallback(&mel_segment)?;
-            seek += segment_size;
-            if dr.no_speech_prob > m::NO_SPEECH_THRESHOLD && dr.avg_logprob < m::LOGPROB_THRESHOLD {
-                console_log!("no speech detected, skipping {seek} {dr:?}");
-                continue;
-            }
-            let segment = Segment {
-                start: time_offset,
-                duration: segment_duration,
-                dr,
-            };
-            console_log!("{seek}: {segment:?}");
-            segments.push(segment)
-        }
-        Ok(segments)
-    }
-
-    pub fn load(md: ModelData) -> anyhow::Result<Self> {
-        let device = Device::Cpu;
-        let tokenizer = Tokenizer::from_bytes(&md.tokenizer).map_err(E::msg)?;
-
-        let mel_filters = safetensors::tensor::SafeTensors::deserialize(&md.mel_filters)?;
-        let mel_filters = mel_filters.tensor("mel_80")?.load(&device)?;
-        console_log!("loaded mel filters {:?}", mel_filters.shape());
-        let mel_filters = mel_filters.flatten_all()?.to_vec1::<f32>()?;
-        let config: Config = serde_json::from_slice(&md.config)?;
-        let model = if md.quantized {
-            let vb = candle_transformers::quantized_var_builder::VarBuilder::from_gguf_buffer(
-                &md.weights,
-            )?;
-            Model::Quantized(m::quantized_model::Whisper::load(&vb, config)?)
-        } else {
-            let vb = VarBuilder::from_buffered_safetensors(md.weights, m::DTYPE, &device)?;
-            Model::Normal(m::model::Whisper::load(&vb, config)?)
-        };
-        console_log!("done loading model");
-
-        let task = match md.task.as_deref() {
-            Some("translate") => Some(Task::Translate),
-            _ => Some(Task::Transcribe),
-        };
-
-        let decoder = Self::new(
-            model,
-            tokenizer,
-            mel_filters,
-            &device,
-            task,
-            md.language,
-            md.is_multilingual,
-            md.timestamps,
-        )?;
-        Ok(decoder)
-    }
-
-    pub fn convert_and_run(&mut self, wav_input: &[u8]) -> anyhow::Result<Vec<Segment>> {
-        let device = Device::Cpu;
-        let mut wav_input = std::io::Cursor::new(wav_input);
-        let (header, data) = wav::read(&mut wav_input)?;
-        console_log!("loaded wav data: {header:?}");
-        if header.sampling_rate != m::SAMPLE_RATE as u32 {
-            anyhow::bail!("wav file must have a {} sampling rate", m::SAMPLE_RATE);
-        }
-        let data = data.as_sixteen().expect("expected 16 bit wav file");
-        let pcm_data: Vec<_> = data[..data.len() / header.channel_count as usize]
-            .iter()
-            .map(|v| *v as f32 / 32768.)
-            .collect();
-        console_log!("pcm data loaded {}", pcm_data.len());
-        let mel = crate::audio::pcm_to_mel(self.model.config(), &pcm_data, &self.mel_filters)?;
-        let mel_len = mel.len();
-        let n_mels = self.model.config().num_mel_bins;
-        let mel = Tensor::from_vec(mel, (1, n_mels, mel_len / n_mels), &device)?;
-        console_log!("loaded mel: {:?}", mel.dims());
-        let segments = self.run(&mel)?;
-        Ok(segments)
-    }
-}
-
-/// Returns the token id for the selected language.
-pub fn detect_language(model: &mut Model, tokenizer: &Tokenizer, mel: &Tensor) -> Result<u32, E> {
-    console_log!("detecting language");
-    let (_bsize, _, seq_len) = mel.dims3()?;
-    let mel = mel.narrow(
-        2,
-        0,
-        usize::min(seq_len, model.config().max_source_positions),
-    )?;
-    let device = mel.device();
-
-    let language_token_ids = LANGUAGES
-        .iter()
-        .map(|(t, _)| token_id(tokenizer, &format!("<|{t}|>")))
-        .map(|e| e.map_err(E::msg))
-        .collect::<Result<Vec<_>, E>>()?;
-
-    let sot_token = token_id(tokenizer, m::SOT_TOKEN)?;
-    let audio_features = model.encoder_forward(&mel, true)?;
-    let tokens = Tensor::new(&[[sot_token]], device)?;
-    let language_token_ids = Tensor::new(language_token_ids.as_slice(), device)?;
-    let ys = model.decoder_forward(&tokens, &audio_features, true)?;
-    let logits = model.decoder_final_linear(&ys.i(..1)?)?.i(0)?.i(0)?;
-    let logits = logits.index_select(&language_token_ids, 0)?;
-    let probs = candle_nn::ops::softmax(&logits, D::Minus1)?;
-    let probs = probs.to_vec1::<f32>()?;
-    let mut probs = LANGUAGES.iter().zip(probs.iter()).collect::<Vec<_>>();
-    probs.sort_by(|(_, p1), (_, p2)| p2.total_cmp(p1));
-    for ((_, language), p) in probs.iter().take(5) {
-        println!("{language}: {p}")
-    }
-    let token = &format!("<|{}|>", probs[0].0 .0);
-    let language = token_id(tokenizer, token)?;
-    console_log!("detected language: {language} {token}");
-    Ok(language)
-}
-pub fn token_id(tokenizer: &Tokenizer, token: &str) -> candle::Result<u32> {
-    match tokenizer.token_to_id(token) {
-        None => candle::bail!("no token-id for {token}"),
-        Some(id) => Ok(id),
-    }
-}
-#[derive(Serialize, Deserialize, Clone, Copy, Debug)]
-pub enum Task {
-    Transcribe,
-    Translate,
-}
-
-// Communication to the worker happens through bincode, the model weights and configs are fetched
-// on the main thread and transferred via the following structure.
-#[derive(Serialize, Deserialize)]
-pub struct ModelData {
-    pub weights: Vec<u8>,
-    pub tokenizer: Vec<u8>,
-    pub mel_filters: Vec<u8>,
-    pub config: Vec<u8>,
-    pub quantized: bool,
-    pub timestamps: bool,
-    pub is_multilingual: bool,
-    pub language: Option<String>,
-    pub task: Option<String>,
-}
-
-pub struct Worker {
-    link: WorkerLink<Self>,
-    decoder: Option<Decoder>,
-}
-
-#[derive(Serialize, Deserialize)]
-pub enum WorkerInput {
-    ModelData(ModelData),
-    DecodeTask { wav_bytes: Vec<u8> },
-}
-
-#[derive(Serialize, Deserialize)]
-pub enum WorkerOutput {
-    Decoded(Vec<Segment>),
-    WeightsLoaded,
-}
-
-impl yew_agent::Worker for Worker {
-    type Input = WorkerInput;
-    type Message = ();
-    type Output = Result<WorkerOutput, String>;
-    type Reach = Public<Self>;
-
-    fn create(link: WorkerLink<Self>) -> Self {
-        Self {
-            link,
-            decoder: None,
-        }
-    }
-
-    fn update(&mut self, _msg: Self::Message) {
-        // no messaging
-    }
-
-    fn handle_input(&mut self, msg: Self::Input, id: HandlerId) {
-        let output = match msg {
-            WorkerInput::ModelData(md) => match Decoder::load(md) {
-                Ok(decoder) => {
-                    self.decoder = Some(decoder);
-                    Ok(WorkerOutput::WeightsLoaded)
-                }
-                Err(err) => Err(format!("model creation error {err:?}")),
-            },
-            WorkerInput::DecodeTask { wav_bytes } => match &mut self.decoder {
-                None => Err("model has not been set".to_string()),
-                Some(decoder) => decoder
-                    .convert_and_run(&wav_bytes)
-                    .map(WorkerOutput::Decoded)
-                    .map_err(|e| e.to_string()),
-            },
-        };
-        self.link.respond(id, output);
-    }
-
-    fn name_of_resource() -> &'static str {
-        "worker.js"
-    }
-
-    fn resource_path_is_relative() -> bool {
-        true
-    }
-}

candle-wasm-examples-whisper/whisperWorker.js

@@ -1,116 +0,0 @@
-//load the candle Whisper decoder wasm module
-import init, { Decoder } from "./build/m.js";
-
-async function fetchArrayBuffer(url) {
-  const cacheName = "whisper-candle-cache";
-  const cache = await caches.open(cacheName);
-  const cachedResponse = await cache.match(url);
-  if (cachedResponse) {
-    const data = await cachedResponse.arrayBuffer();
-    return new Uint8Array(data);
-  }
-  const res = await fetch(url, { cache: "force-cache" });
-  cache.put(url, res.clone());
-  return new Uint8Array(await res.arrayBuffer());
-}
-class Whisper {
-  static instance = {};
-  // Retrieve the Whisper model. When called for the first time,
-  // this will load the model and save it for future use.
-  static async getInstance(params) {
-    const {
-      weightsURL,
-      modelID,
-      tokenizerURL,
-      mel_filtersURL,
-      configURL,
-      quantized,
-      is_multilingual,
-      timestamps,
-      task,
-      language,
-    } = params;
-    // load individual modelID only once
-    if (!this.instance[modelID]) {
-      await init();
-
-      self.postMessage({ status: "loading", message: "Loading Model" });
-      const [
-        weightsArrayU8,
-        tokenizerArrayU8,
-        mel_filtersArrayU8,
-        configArrayU8,
-      ] = await Promise.all([
-        fetchArrayBuffer(weightsURL),
-        fetchArrayBuffer(tokenizerURL),
-        fetchArrayBuffer(mel_filtersURL),
-        fetchArrayBuffer(configURL),
-      ]);
-
-      this.instance[modelID] = new Decoder(
-        weightsArrayU8,
-        tokenizerArrayU8,
-        mel_filtersArrayU8,
-        configArrayU8,
-        quantized,
-        is_multilingual,
-        timestamps,
-        task,
-        language
-      );
-    } else {
-      self.postMessage({ status: "loading", message: "Model Already Loaded" });
-    }
-    return this.instance[modelID];
-  }
-}
-
-self.addEventListener("message", async (event) => {
-  const {
-    weightsURL,
-    modelID,
-    tokenizerURL,
-    configURL,
-    mel_filtersURL,
-    audioURL,
-  } = event.data;
-  try {
-    self.postMessage({ status: "decoding", message: "Starting Decoder" });
-    let quantized = false;
-    if (modelID.includes("quantized")) {
-      quantized = true;
-    }
-    let is_multilingual = false;
-    if (modelID.includes("multilingual")) {
-      is_multilingual = true;
-    }
-    let timestamps = true;
-    const decoder = await Whisper.getInstance({
-      weightsURL,
-      modelID,
-      tokenizerURL,
-      mel_filtersURL,
-      configURL,
-      quantized,
-      is_multilingual,
-      timestamps,
-      task: null,
-      language: null,
-    });
-
-    self.postMessage({ status: "decoding", message: "Loading Audio" });
-    const audioArrayU8 = await fetchArrayBuffer(audioURL);
-
-    self.postMessage({ status: "decoding", message: "Running Decoder..." });
-    const segments = decoder.decode(audioArrayU8);
-
-    // Send the segment back to the main thread as JSON
-    self.postMessage({
-      status: "complete",
-      message: "complete",
-      output: JSON.parse(segments),
-    });
-  } catch (e) {
-    self.postMessage({ error: e });
-  }
-});

hotwords/transcript.sh

@@ -1,20 +1,2 @@
-#! /bin/bash
+echo "pkill -9 -f hotwords.py; MIC_TIMEOUT=30 MODEL=small.en P=4 DEBUG=true HOTWORDS= python3 ./hotwords.py | tee -a $HOME/Sync/drawful/DnD/bdoob/__log.d/$(date +%Y.%m.%d).transcript.txt"
-
+echo "pkill -9 -f hotwords.py; MIC_TIMEOUT=30 MODEL=small.en P=4 DEBUG=true HOTWORDS= python3 ./hotwords.py | tee -a $HOME/Sync/drawful/DnD/nessira.d/_log.d/$(date +%Y.%m.%d).transcript.txt"
-set -euo pipefail
-
-cd "$(dirname "$(realpath "$BASH_SOURCE")")"
-
-if ! which rust-whisper-baked; then
-   (
-      set -euo pipefail
-      cd ../rust-whisper-baked
-      cargo install --path .
-   )
-fi >&2
-
-cat <<EOF
-rust-whisper-baked --stream-device pulse_monitor --stream-step 16 --stream-retain 8 --stream-{head,tail}=0.25 2> /dev/null
-rust-whisper-baked --stream-device 'BlackHole 2ch' --stream-step 30 --stream-retain 1 --stream-{head,tail}=0.25 --threads 9 2> /dev/null
-   | tee -a "$HOME/Sync/drawful/DnD/bdoob/__log.d/$(date +%Y.%m.%d).transcript.txt"
-   | tee -a "$HOME/Sync/drawful/DnD/nessira.d/_log.d/$(date +%Y.%m.%d).transcript.txt"
-EOF

listen-lib/Cargo.lock

@@ -1,939 +0,0 @@
-# This file is automatically @generated by Cargo.
-# It is not intended for manual editing.
-version = 3
-
-[[package]]
-name = "aho-corasick"
-version = "1.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b2969dcb958b36655471fc61f7e416fa76033bdd4bfed0678d8fee1e2d07a1f0"
-dependencies = [
- "memchr",
-]
-
-[[package]]
-name = "alsa"
-version = "0.7.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2562ad8dcf0f789f65c6fdaad8a8a9708ed6b488e649da28c01656ad66b8b47"
-dependencies = [
- "alsa-sys",
- "bitflags 1.3.2",
- "libc",
- "nix",
-]
-
-[[package]]
-name = "alsa-sys"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
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listen-lib/Cargo.toml

@@ -1,10 +0,0 @@
-[package]
-name = "listen-lib"
-version = "0.1.0"
-edition = "2021"
-
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
-[dependencies]
-signal-hook = "0.3.17"
-cpal = "0.15.2"

listen-lib/src/lib.rs

@@ -1,148 +0,0 @@
-use cpal::traits::{HostTrait, DeviceTrait, StreamTrait};
-use signal_hook::{iterator::Signals, consts::signal::SIGINT};
-use std::thread;
-
-pub fn main(callback: impl FnMut(Vec<f32>)) {
-   new_listener(None).unwrap().listen(callback);
-}
-
-pub fn main_with(callback: impl FnMut(Vec<f32>), device_name: String) {
-   new_listener(Some(device_name)).unwrap().listen(callback);
-}
-
-pub fn devices() -> Vec<String> {
-   match _devices() {
-      Ok(devices) => devices.
-         iter().
-         map(|device| device.name()).
-         filter(|device_name| device_name.is_ok()).
-         map(|device_name| device_name.unwrap()).
-         collect(),
-      Err(_) => vec![],
-   }
-}
-
-fn _devices() -> Result<Vec<cpal::Device>, String> {
-   match cpal::default_host().devices() {
-      Ok(devices) => Ok(devices.filter(|device| {
-         let input_configs = device.supported_input_configs();
-         if !input_configs.is_ok() {
-            return false;
-         }
-         input_configs.unwrap().count() > 0
-      }).collect()),
-      Err(msg) => Err(format!("failed to get devices: {}", msg)),
-   }
-}
-
-struct Listener {
-   device_name: String,
-}
-
-fn new_listener(device_name: Option<String>) -> Result<Listener, String> {
-   let device_name = match device_name {
-      Some(device_name) => {
-         let devices: Vec<_> = _devices()?.
-            iter().
-            map(|device| device.name()).
-            filter(|device_name| device_name.is_ok()).
-            map(|device_name| device_name.unwrap()).
-            filter(|a_device_name| *a_device_name == device_name).
-            collect();
-         match devices.first() {
-            Some(_) => Ok(device_name),
-            None => Err(format!("device like {} not found", device_name)),
-         }
-      },
-      None => {
-         let host = cpal::default_host();
-         match host.default_input_device() {
-            Some(device) => {
-               match device.name() {
-                  Ok(device_name) => Ok(device_name),
-                  Err(msg) => Err(format!("failed to get default input device name: {}", msg)),
-               }
-            },
-            None => Err(format!("failed to get any input device")),
-         }
-      },
-   };
-   match device_name {
-      Ok(device_name) => Ok(Listener{device_name: device_name}),
-      Err(msg) => Err(msg),
-   }
-}
-
-impl Listener {
-   fn listen(self, mut cb: impl FnMut(Vec<f32>)) {
-      let (send, recv) = std::sync::mpsc::sync_channel(100);
-      thread::spawn(move || { self._listen(send); });
-      let mut signals = Signals::new(&[SIGINT]).unwrap();
-      loop {
-         match recv.recv_timeout(std::time::Duration::new(1, 0)) {
-            Ok(msg) => cb(msg),
-            Err(_) => {
-               if signals.pending().count() > 0 {
-                  break;
-               }
-            },
-         };
-      }
-   }
-
-   fn _listen(self, send: std::sync::mpsc::SyncSender<Vec<f32>>) {
-      let devices = _devices().unwrap();
-      let devices = devices.iter().
-         filter(|device| device.name().unwrap() == self.device_name).
-         collect::<Vec<_>>();
-      let device = devices.first().unwrap();
-      let mut sample_rate = 15_500;
-      let mut cfgs: Vec<_> = device.supported_input_configs()
-         .unwrap()
-         .filter(|x| x.sample_format() == cpal::SampleFormat::F32)
-         .filter(|x| x.min_sample_rate() >= cpal::SampleRate(sample_rate))
-         .collect();
-      while cfgs.len() == 0 && sample_rate > 0 {
-         sample_rate /= 2;
-         cfgs = device.supported_input_configs()
-            .unwrap()
-            .filter(|x| x.sample_format() == cpal::SampleFormat::F32)
-            .filter(|x| x.min_sample_rate() >= cpal::SampleRate(sample_rate))
-            .collect();
-      }
-      assert!(cfgs.len() > 0);
-      let cfg = cfgs[0].clone().with_max_sample_rate();
-
-      let downsample_ratio = cfg.channels() as f32 * (cfg.sample_rate().0 as f32 / 16_000.0);
-      let stream = device.build_input_stream(
-         &cfg.clone().into(),
-         move |data: &[f32], _: &cpal::InputCallbackInfo| {
-            let mut downsampled_data = vec![];
-            for i in 0..(data.len() as f32 / downsample_ratio) as usize {
-               let mut upsampled = i as f32 * downsample_ratio;
-               if upsampled > (data.len()-1) as f32 {
-                  upsampled = (data.len()-1) as f32
-               }
-               downsampled_data.push(data[upsampled as usize]);
-            }
-            match send.try_send(downsampled_data) {
-               Ok(_) => (),
-               Err(msg) => eprintln!("failed to ingest audio: {}", msg),
-            };
-         },
-         move |err| {
-            eprintln!("input error: {}", err)
-         },
-         None,
-      ).unwrap();
-      stream.play().unwrap();
-
-      eprintln!("listening on {}", device.name().unwrap());
-      let mut signals = Signals::new(&[SIGINT]).unwrap();
-      for sig in signals.forever() {
-         eprintln!("sig {}", sig);
-         break;
-      }
-      let _ = stream.pause();
-   }
-}

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rust-whisper-baked-lib-wasm/Cargo.toml

@@ -1,12 +0,0 @@
-[package]
-name = "rust-whisper-baked-lib-wasm"
-version = "0.1.0"
-edition = "2021"
-
-[lib]
-crate-type = ["cdylib"]
-
-[dependencies]
-rust-whisper-lib = { path = "../rust-whisper-lib" }
-rust-whisper-baked-lib = { path = "../rust-whisper-baked-lib" }
-wasm-bindgen = "0.2.89"

rust-whisper-baked-lib-wasm/build.sh

@@ -1,5 +0,0 @@
-#! /bin/bash
-
-echo https://developer.mozilla.org/en-US/docs/WebAssembly/Rust_to_Wasm
-cargo install wasm-pack
-wasm-pack build --target web

rust-whisper-baked-lib-wasm/src/lib.rs

@@ -1,43 +0,0 @@
-use wasm_bindgen::prelude::*;
-use rust_whisper_lib;
-use rust_whisper_baked_lib;
-
-#[wasm_bindgen]
-extern {
-    pub fn whisper_data() -> Vec<f32>;
-    pub fn whisper_on_success(s: String);
-    pub fn whisper_on_error(s: String);
-}
-
-#[wasm_bindgen]
-pub fn new_transcriber(
-   stream_step: Option<u64>,
-   stream_retain: Option<f32>,
-   stream_head: Option<f32>,
-   stream_tail: Option<f32>,
-) {
-   let flags = rust_whisper_lib::Flags {
-      model_path: None,
-      model_buffer: None,
-      threads: 4,
-      stream_step: stream_step.unwrap_or(5),
-      stream_retain: stream_retain.unwrap_or(1.0),
-      stream_head: stream_head.unwrap_or(0.5),
-      stream_tail: stream_tail.unwrap_or(0.5),
-      wav: None,
-      debug: false,
-      stream_device: None,
-   };
-   let (send, recv) = std::sync::mpsc::sync_channel(100);
-   rust_whisper_baked_lib::channel(flags, |result| {
-      match result {
-         Ok(msg) => whisper_on_success(msg.to_string()),
-         Err(msg) => whisper_on_error(msg),
-      };
-   }, recv);
-   loop {
-      let data = whisper_data();
-      send.send(data).unwrap();
-   }
-}
-

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- "aho-corasick",
- "memchr",
- "regex-syntax",
-]
-
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-name = "rust-whisper-baked-lib"
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-dependencies = [
- "rust-whisper-lib",
-]
-
-[[package]]
-name = "rust-whisper-lib"
-version = "0.1.0"
-dependencies = [
- "clap",
- "wav",
- "whisper-rs",
-]
-
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- "bitflags",
- "errno",
- "libc",
- "linux-raw-sys",
- "windows-sys",
-]
-
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- "unicode-ident",
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-]
-
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- "cfg-if",
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- "windows_x86_64_gnu",
- "windows_x86_64_gnullvm",
- "windows_x86_64_msvc",
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rust-whisper-baked-lib/src/lib.rs

@@ -1,41 +0,0 @@
-use rust_whisper_lib;
-
-pub fn channel<F>(
-   mut flags: rust_whisper_lib::Flags,
-   handler_fn: F,
-   stream: std::sync::mpsc::Receiver<Vec<f32>>,
-) where F: FnMut(Result<rust_whisper_lib::Transcribed, String>) + Send + 'static {
-   flags.model_path = None;
-   flags.model_buffer = Some(get_fast());
-   rust_whisper_lib::channel(flags.clone(), handler_fn, stream);
-}
-
-pub fn wav<F>(
-   mut flags: rust_whisper_lib::Flags,
-   handler_fn: F
-) where F: FnMut(Result<rust_whisper_lib::Transcribed, String>) + Send + 'static {
-   flags.model_path = None;
-   flags.model_buffer = Some(get_good());
-   rust_whisper_lib::wav(flags.clone(), handler_fn, flags.wav.unwrap());
-}
-
-pub fn wav_channel<F>(
-   mut flags: rust_whisper_lib::Flags,
-   handler_fn: F
-) where F: FnMut(Result<rust_whisper_lib::Transcribed, String>) + Send + 'static {
-   flags.model_path = None;
-   flags.model_buffer = Some(get_good());
-   rust_whisper_lib::wav_channel(flags, handler_fn);
-}
-
-pub fn f32_from_wav_file(path: &String) -> Result<Vec<f32>, String> {
-   rust_whisper_lib::f32_from_wav_file(path)
-}
-
-fn get_fast() -> Vec<u8> {
-   include_bytes!("../../models/ggml-small.en.bin").to_vec()
-}
-
-fn get_good() -> Vec<u8> {
-   include_bytes!("../../models/ggml-distil-medium.en.bin").to_vec()
-}

rust-whisper-baked/Cargo.toml

@@ -1,14 +0,0 @@
-[package]
-name = "rust-whisper-baked"
-version = "0.1.0"
-edition = "2021"
-
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
-[dependencies]
-rust-whisper-lib = { path = "../rust-whisper-lib" }
-rust-whisper-baked-lib = { path = "../rust-whisper-baked-lib" }
-listen-lib = { path = "../listen-lib" }
-clap = { version = "4.4.10", features = ["derive"] }
-stop-words = "0.8.0"
-rust-stemmers = "1.2.0"

rust-whisper-baked/cargo.sh

@@ -1,15 +0,0 @@
-#! /bin/bash
-
-#RUSTFLAGS="-Clink-args=-lstd++" \
-
-echo 0. brew install blackhole-2ch / https://github.com/ExistentialAudio/BlackHole
-echo 1. Audio Midi Setup / https://existential.audio/howto/StreamFromGarageBandToZoom.php
-echo 2. Multi-Output Device / primary External Headphones, Drift Correction for BlackHole 2ch
-echo 3. Aggregate Device / clock MacBook Pro Microphone, Drift Correction BlackHole 2ch
-echo 4. Discord outputs to Multi-Output Device
-echo 5. apps read Aggregate Device
-
-export C_INCLUDE_PATH="$C_INCLUDE_PATH:$PWD/.."
-export LIBRARY_PATH="$LIBRARY_PATH:$PWD/.."
-
-cargo "$@"

rust-whisper-baked/src/main.rs

@@ -1,284 +0,0 @@
-use clap::Parser;
-use listen_lib;
-use rust_whisper_baked_lib;
-use rust_whisper_lib;
-use std::thread;
-
-fn main() {
-    let flags = rust_whisper_lib::Flags::parse();
-    match flags.wav.clone() {
-        Some(_) => wav_channel(flags),
-        None => channel(flags),
-    };
-}
-
-fn wav_channel(flags: rust_whisper_lib::Flags) {
-    let mut w = new_destutterer();
-    rust_whisper_baked_lib::wav_channel(
-        flags.clone(),
-        move |result: Result<rust_whisper_lib::Transcribed, String>| {
-            match result {
-                Ok(transcribed) => {
-                    let s = w.step(transcribed.to_string());
-                    println!("{}", s);
-                }
-                Err(msg) => {
-                    eprintln!("error: {}", msg);
-                }
-            };
-        },
-    );
-}
-
-fn wav(flags: rust_whisper_lib::Flags, _path: String) {
-    let mut w = new_destutterer();
-    rust_whisper_baked_lib::wav(
-        flags,
-        move |result: Result<rust_whisper_lib::Transcribed, String>| {
-            match result {
-                Ok(transcribed) => {
-                    let s = w.step(transcribed.to_string());
-                    println!("{}", s);
-                }
-                Err(msg) => {
-                    eprintln!("error: {}", msg);
-                }
-            };
-        },
-    );
-}
-
-fn channel(flags: rust_whisper_lib::Flags) {
-    let (send, recv) = std::sync::mpsc::sync_channel(100);
-
-    eprintln!("rust whisper baked lib channel...");
-    thread::spawn(move || {
-        let mut w = new_destutterer();
-        rust_whisper_baked_lib::channel(
-            flags.clone(),
-            move |result: Result<rust_whisper_lib::Transcribed, String>| {
-                match result {
-                    Ok(transcribed) => {
-                        let s = w.step(transcribed.to_string());
-                        println!("{}", s);
-                    }
-                    Err(msg) => {
-                        eprintln!("error: {}", msg);
-                    }
-                };
-            },
-            recv,
-        );
-    });
-
-    eprintln!("listen lib main...");
-    let flags = rust_whisper_lib::Flags::parse();
-    match flags.stream_device {
-        Some(device_name) => {
-            eprintln!("with device ({}) '{}'", device_name.len(), &device_name);
-            if device_name.len() == 0 {
-                let mut i = 0;
-                for device in listen_lib::devices() {
-                    eprintln!("[{}] {}", i, device);
-                    i += 1;
-                }
-                eprintln!("found {} devices", i);
-            } else {
-                listen_lib::main_with(
-                    |data| {
-                        send.send(data).unwrap();
-                    },
-                    device_name,
-                );
-            }
-        }
-        None => {
-            eprintln!("without any device");
-            listen_lib::main(|data| {
-                send.send(data).unwrap();
-            });
-        }
-    }
-    eprintln!("/listen lib main...");
-}
-
-struct Destutterer {
-    prev: Words,
-}
-
-fn new_destutterer() -> Destutterer {
-    Destutterer { prev: new_words() }
-}
-
-impl Destutterer {
-    fn step(&mut self, next: String) -> String {
-        if next.len() == 0 {
-            return next;
-        }
-
-        let next_words = Words::from_string(next.clone());
-        let mut n = self
-            .prev
-            .comparable_len()
-            .clamp(0, next_words.comparable_len());
-        //println!("n={} prev='{:?}' next='{:?}'", n, self.prev.to_comparable_words(), next_words.to_comparable_words());
-        while n > 0 {
-            let (prev_s, _) = self.prev.last_n_comparable_to_string(n);
-            let (next_s, next_idx) = next_words.first_n_comparable_to_string(n);
-            if prev_s == next_s {
-                self.prev = next_words;
-                return self.prev.skip(next_idx + 1).to_string();
-            }
-            n -= 1;
-        }
-        self.prev = next_words;
-        self.prev.to_string()
-    }
-}
-
-#[derive(Clone, Debug)]
-struct Words {
-    raw: Vec<String>,
-}
-
-fn new_words() -> Words {
-    Words { raw: vec![] }
-}
-
-impl Words {
-    fn from_string(s: String) -> Words {
-        let mut result = Words { raw: vec![] };
-        for word in s.split(" ") {
-            let word = word.trim();
-            if word.len() > 0 {
-                result.raw.push(word.to_string());
-            }
-        }
-        result
-    }
-
-    fn skip(&self, n: usize) -> Words {
-        Words {
-            raw: self.raw.iter().skip(n).map(|x| x.clone()).collect(),
-        }
-    }
-
-    fn last_n_comparable_to_string(&self, n: usize) -> (String, usize) {
-        let v = self.to_comparable_words();
-        let v = v[(v.len() - n).clamp(0, v.len())..].to_vec();
-        return (
-            v.iter()
-                .map(|x| x.s.clone().unwrap())
-                .collect::<Vec<String>>()
-                .join(" "),
-            v[0].idx,
-        );
-    }
-
-    fn first_n_comparable_to_string(&self, n: usize) -> (String, usize) {
-        let v = self.to_comparable_words();
-        let v = v[0..n.clamp(0, v.len())].to_vec();
-        return (
-            v.iter()
-                .map(|x| x.s.clone().unwrap())
-                .collect::<Vec<String>>()
-                .join(" "),
-            v[v.len() - 1].idx,
-        );
-    }
-
-    fn comparable_len(&self) -> usize {
-        self.to_comparable_words().len()
-    }
-
-    fn to_comparable_words(&self) -> Vec<Word> {
-        self.to_words()
-            .iter()
-            .filter(|x| x.s.is_some())
-            .map(|x| x.clone())
-            .collect()
-    }
-
-    fn to_words(&self) -> Vec<Word> {
-        let skips = stop_words::get("en");
-        let stemmer = rust_stemmers::Stemmer::create(rust_stemmers::Algorithm::English);
-        let strs = self
-            .raw
-            .iter()
-            .map(|w| w.to_lowercase())
-            .map(|w| {
-                w.chars()
-                    .filter(|c| c.is_ascii_alphanumeric())
-                    .collect::<String>()
-            })
-            .map(|w| stemmer.stem(&w).into_owned())
-            .collect::<Vec<String>>();
-        let mut result = vec![];
-        for i in 0..strs.len() {
-            result.push(Word {
-                s: match skips.contains(&strs[i]) {
-                    true => None,
-                    false => Some(strs[i].clone()),
-                },
-                idx: i as usize,
-            });
-        }
-        result
-    }
-
-    fn to_string(&self) -> String {
-        self.raw
-            .iter()
-            .map(|x| x.clone())
-            .collect::<Vec<String>>()
-            .join(" ")
-    }
-}
-
-#[derive(Debug, Clone)]
-struct Word {
-    s: Option<String>,
-    idx: usize,
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn test_destutterer_stop_words() {
-        let mut w = new_destutterer();
-        assert_eq!(
-            "welcome to the internet".to_string(),
-            w.step("welcome to the internet".to_string())
-        );
-        assert_eq!(
-            "have a look around".to_string(),
-            w.step("welcome to the a internet; have a look around".to_string())
-        );
-    }
-
-    #[test]
-    fn test_destutterer_punctuation() {
-        let mut w = new_destutterer();
-        assert_eq!(
-            "cat, dog. cow? moose!".to_string(),
-            w.step("cat, dog. cow? moose!".to_string())
-        );
-        assert_eq!(
-            "elephant! fez gator".to_string(),
-            w.step("moose, elephant! fez gator".to_string())
-        );
-        assert_eq!("hij".to_string(), w.step("fez gator hij".to_string()));
-    }
-
-    #[test]
-    fn test_destutterer_basic() {
-        let mut w = new_destutterer();
-        assert_eq!(
-            "cat dog cow".to_string(),
-            w.step(" cat dog cow ".to_string())
-        );
-        assert_eq!("moose".to_string(), w.step(" dog cow moose  ".to_string()));
-    }
-}

rust-whisper-lib/Cargo.toml

@@ -7,5 +7,10 @@ edition = "2021"
 
 [dependencies]
 whisper-rs = { path = "../gitea-whisper-rs", version = "0.8.0" }
-clap = { version = "4.4.10", features = ["derive"] }
 wav = "1"
+tokio = "1.27"
+cpal = "0.15.2"
+signal-hook = "0.3.17"
+byteorder = "1.5.0"
+chrono = "0.4.31"
+clap = { version = "4.4.10", features = ["derive"] }

rust-whisper-lib/src/lib.rs

@@ -1,118 +1,67 @@
 use whisper_rs::{WhisperContext, FullParams, SamplingStrategy, WhisperError};
+use cpal::traits::{HostTrait, DeviceTrait, StreamTrait};
+use signal_hook::{iterator::Signals, consts::signal::SIGINT};
+use std::time::{Duration, Instant};
 use clap::Parser;
 use std::thread;
 use std::fs::File;
 use std::io::Write;
 
-#[derive(Parser, Debug, Clone)]
+#[derive(Parser, Debug)]
 pub struct Flags {
-   #[arg(long, default_value = "../models/ggml-tiny.en.bin")]
+   #[arg(long, default_value = "./models/ggml-tiny.en.bin")]
-   pub model_path: Option<String>,
+   pub model: String,
-   #[arg(long, default_value = None)]
-   pub model_buffer: Option<Vec<u8>>,
 
    #[arg(long, default_value = "8")]
    pub threads: i32,
 
-   #[arg(long, default_value = "8")]
+   #[arg(long, default_value = "5")]
    pub stream_step: u64,
-   #[arg(long, default_value = "4.0")]
+   #[arg(long, default_value = "0.6")]
    pub stream_retain: f32,
-   #[arg(long, default_value = "2.0")]
+   #[arg(long, default_value = "0.3")]
    pub stream_head: f32,
-   #[arg(long, default_value = "0.0")]
+   #[arg(long, default_value = "0.3")]
    pub stream_tail: f32,
 
+   pub wav: Option<String>,
+
    #[arg(long, default_value = "false")]
    pub debug: bool,
-
-   #[arg(long, default_value = None)]
-   pub wav: Option<String>,
-   #[arg(long, default_value = None)]
-   pub stream_device: Option<String>,
 }
 
-pub fn wav<F>(flags: Flags, handler_fn: F, wav_path: String) where F: FnMut(Result<Transcribed, String>) + Send + 'static {
+pub fn main<F>(flags: Flags, handler_fn: F) where F: FnMut(Result<Whispered, String>) + Send + 'static {
-   let w = new_service(
+   let w = new_whisper_service(
-      flags.model_path,
+      flags.model,
-      flags.model_buffer,
-      flags.threads,
-      flags.stream_head,
-      flags.stream_tail,
-      handler_fn,
-   ).unwrap();
-   w.transcribe(&f32_from_wav_file(&wav_path).unwrap())
-}
-
-pub fn f32_from_wav_file(path: &String) -> Result<Vec<f32>, String> {
-   let f = std::fs::File::open(path);
-   if let Some(err) = f.as_ref().err() {
-      return Err(format!("failed to open wav file: {}", err));
-   }
-   let wav_read = wav::read(&mut f.unwrap());
-   if let Some(err) = wav_read.as_ref().err() {
-      return Err(format!("failed to parse wav file: {}", err));
-   }
-   let (header, data) = wav_read.unwrap();
-   if header.channel_count != 1 {
-      return Err("!= 1 channel".to_string());
-   }
-   if header.sampling_rate != 16_000 {
-      return Err("!= 16_000 hz".to_string());
-   }
-   match data.as_sixteen() {
-      Some(data16) => {
-         let mut floats = Vec::with_capacity(data16.len());
-         for sample in data16 {
-             floats.push(*sample as f32 / 32768.0);
-         }
-         Ok(floats)
-      },
-      None => Err(format!("couldnt translate wav to 16s")),
-   }
-}
-
-pub fn wav_channel<F>(flags: Flags, handler_fn: F) where F: FnMut(Result<Transcribed, String>) + Send + 'static {
-   let path = flags.wav.as_ref().unwrap();
-   let mut audio = f32_from_wav_file(&path).unwrap();
-   let mut iter = vec![];
-   let n = audio.len() / match audio.len() % 100 {
-      0 => 100,
-      _ => 99,
-   };
-   for _ in 0..100 {
-      iter.push(audio.drain(0..n.clamp(0, audio.len())).collect());
-   }
-   let (fin_send, fin_recv) = std::sync::mpsc::sync_channel::<Option<i32>>(1);
-   channel_and_close(flags.clone(), handler_fn, iter, move || { fin_send.send(None).unwrap(); });
-   match fin_recv.recv() {
-      Ok(_) => {},
-      Err(x) => panic!("failed to receive: {}", x),
-   };
-}
-
-pub fn channel<F, I>(flags: Flags, handler_fn: F, stream: I) where F: FnMut(Result<Transcribed, String>) + Send + 'static, I: IntoIterator<Item = Vec<f32>> {
-   channel_and_close(flags, handler_fn, stream, || {});
-}
-
-fn channel_and_close<F, I, G>(flags: Flags, handler_fn: F, stream: I, mut close_fn: G) where F: FnMut(Result<Transcribed, String>) + Send + 'static, I: IntoIterator<Item = Vec<f32>>, G: FnMut() + Send + 'static {
-   let w = new_service(
-      flags.model_path,
-      flags.model_buffer,
       flags.threads,
       flags.stream_head,
       flags.stream_tail,
       handler_fn,
    ).unwrap();
    let stream_retain = (flags.stream_retain * 16_000.0) as usize;
+   let stream_step = Duration::new(flags.stream_step, 0);
+   match flags.wav {
+      Some(wav) => {
+         let (header, data) = wav::read(
+            &mut std::fs::File::open(wav).expect("failed to open $WAV"),
+         ).expect("failed to decode $WAV");
+         assert!(header.channel_count == 1);
+         assert!(header.sampling_rate == 16_000);
+         let data16 = data.as_sixteen().expect("wav is not 32bit floats");
+         let audio_data = &whisper_rs::convert_integer_to_float_audio(&data16);
+
+         w.transcribe(&audio_data);
+      },
+      None => {
          match &flags.debug {
             true => { File::create("/tmp/page.rawf32audio").unwrap(); },
             false => {},
          };
          let mut buffer = vec![];
-   for data in stream {
+         let mut last = Instant::now();
+         new_listener().listen(move |data: Vec<f32>| {
             data.iter().for_each(|x| buffer.push(*x));
-      if buffer.len() >= (flags.stream_step * 16_000) as usize {
+            if Instant::now() - last > stream_step {
                w.transcribe_async(&buffer).unwrap();
 
                match &flags.debug {
@@ -133,31 +82,30 @@ fn channel_and_close<F, I, G>(flags: Flags, handler_fn: F, stream: I, mut close_
                   buffer[i] = buffer[buffer.len() - stream_retain + i];
                }
                buffer.truncate(stream_retain);
+               last = Instant::now();
             }
-   }
+         });
-   if buffer.len() > 0 {
+      },
-      w.transcribe(&buffer);
+   };
-   }
-   close_fn();
 }
 
-struct Service {
+struct WhisperService {
-   jobs: std::sync::mpsc::SyncSender<ATranscribe>,
+   jobs: std::sync::mpsc::SyncSender<AWhisper>,
 }
 
-fn new_service<F>(model_path: Option<String>, model_buffer: Option<Vec<u8>>, threads: i32, stream_head: f32, stream_tail: f32, handler_fn: F) -> Result<Service, String> where F: FnMut(Result<Transcribed, String>) + Send + 'static {
+fn new_whisper_service<F>(model_path: String, threads: i32, stream_head: f32, stream_tail: f32, handler_fn: F) -> Result<WhisperService, String> where F: FnMut(Result<Whispered, String>) + Send + 'static {
-   match new_engine(model_path, model_buffer, threads) {
+   match new_whisper_engine(model_path, threads) {
       Ok(engine) => {
          let mut whisper = new_whisper_impl(engine, stream_head, stream_tail, handler_fn);
          let (send, recv) = std::sync::mpsc::sync_channel(100);
          thread::spawn(move || { whisper.transcribe_asyncs(recv); });
-         Ok(Service{jobs: send})
+         Ok(WhisperService{jobs: send})
       },
       Err(msg) => Err(format!("failed to initialize engine: {}", msg)),
    }
 }
 
-impl Service {
+impl WhisperService {
    fn transcribe(&self, data: &Vec<f32>) {
       let (send, recv) = std::sync::mpsc::sync_channel(0);
       self._transcribe_async(data, Some(send)).unwrap();
@@ -169,7 +117,7 @@ impl Service {
    }
 
    fn _transcribe_async(&self, data: &Vec<f32>, ack: Option<std::sync::mpsc::SyncSender<bool>>) -> Result<(), String> {
-      match self.jobs.try_send(ATranscribe{
+      match self.jobs.try_send(AWhisper{
          data: data.clone().to_vec(),
          ack: ack,
       }) {
@@ -179,15 +127,15 @@ impl Service {
    }
 }
 
-struct Impl {
+struct WhisperImpl {
-   engine: Engine,
+   engine: WhisperEngine,
    stream_head: f32,
    stream_tail: f32,
-   handler_fn: Option<Box<dyn FnMut(Result<Transcribed, String>) + Send + 'static>>
+   handler_fn: Option<Box<dyn FnMut(Result<Whispered, String>) + Send + 'static>>
 }
 
-fn new_whisper_impl<F>(engine: Engine, stream_head: f32, stream_tail: f32, handler_fn: F) -> Impl where F: FnMut(Result<Transcribed, String>) + Send + 'static {
+fn new_whisper_impl<F>(engine: WhisperEngine, stream_head: f32, stream_tail: f32, handler_fn: F) -> WhisperImpl where F: FnMut(Result<Whispered, String>) + Send + 'static {
-   Impl {
+   WhisperImpl {
       engine: engine,
       stream_head: stream_head,
       stream_tail: stream_tail,
@@ -195,8 +143,8 @@ fn new_whisper_impl<F>(engine: Engine, stream_head: f32, stream_tail: f32, handl
    }
 }
 
-impl Impl {
+impl WhisperImpl {
-   fn transcribe_asyncs(&mut self, recv: std::sync::mpsc::Receiver<ATranscribe>) {
+   fn transcribe_asyncs(&mut self, recv: std::sync::mpsc::Receiver<AWhisper>) {
       loop {
          match recv.recv() {
             Ok(job) => {
@@ -213,7 +161,7 @@ impl Impl {
       }
    }
 
-   fn transcribe(&mut self, a_whisper: &ATranscribe) -> Result<(), ()> {
+   fn transcribe(&mut self, a_whisper: &AWhisper) -> Result<(), ()> {
       match self.engine.transcribe(&a_whisper.data) {
          Ok(result) => {
             self.on_success(&result);
@@ -226,45 +174,32 @@ impl Impl {
       }
    }
 
-   fn on_success(&mut self, whispered: &Transcribed) {
+   fn on_success(&mut self, whispered: &Whispered) {
       let result = whispered
          .after(&(self.stream_head * 100.0))
          .before(&(self.stream_tail * 100.0));
-      if result.to_string().trim().len() > 0 {
       (self.handler_fn.as_mut().unwrap())(Ok(result));
    }
-   }
 
    fn on_error(&mut self, msg: String) {
       (self.handler_fn.as_mut().unwrap())(Err(format!("failed to transcribe: {}", &msg)));
    }
 }
 
-struct Engine {
+struct WhisperEngine {
    ctx: WhisperContext,
    threads: i32,
 }
 
-fn new_engine(model_path: Option<String>, model_buffer: Option<Vec<u8>>, threads: i32) -> Result<Engine, String> {
+fn new_whisper_engine(model_path: String, threads: i32) -> Result<WhisperEngine, String> {
-   let whisper_context_result = match model_path {
+   match WhisperContext::new(&model_path) {
-      Some(model_path) => WhisperContext::new(&model_path),
+      Ok(ctx) => Ok(WhisperEngine{ctx: ctx, threads: threads}),
-      None => WhisperContext::new_from_buffer(&model_buffer.unwrap()),
+      Err(msg) => Err(format!("failed to load {}: {}", model_path, msg)),
-   };
-   match whisper_context_result {
-      Ok(ctx) => Ok(Engine{ctx: ctx, threads: threads}),
-      Err(msg) => Err(format!("failed to load model: {}", msg)),
    }
 }
 
-impl Engine {
+impl WhisperEngine {
-   fn transcribe(&self, data: &Vec<f32>) -> Result<Transcribed, String> {
+   fn transcribe(&self, data: &Vec<f32>) -> Result<Whispered, WhisperError> {
-      match self._transcribe(data) {
-         Ok(transcribed) => Ok(transcribed),
-         Err(msg) => Err(format!("{}", msg)),
-      }
-   }
-
-   fn _transcribe(&self, data: &Vec<f32>) -> Result<Transcribed, WhisperError> {
       let mut params = FullParams::new(SamplingStrategy::Greedy { best_of: 0 });
       params.set_no_context(true);
       params.set_n_threads(self.threads);
@@ -292,36 +227,36 @@ impl Engine {
    }
 }
 
-struct ATranscribe {
+struct AWhisper {
    data: Vec<f32>,
    ack: Option<std::sync::mpsc::SyncSender<bool>>,
 }
 
 #[derive(Clone, Debug)]
-pub struct Transcribed {
+pub struct Whispered {
-   data: Vec<ATranscribed>,
+   pub data: Vec<AWhispered>,
 }
 
 #[derive(Clone, Debug)]
-struct ATranscribed {
+pub struct AWhispered {
    pub data: String,
    pub offset: i64,
    pub length: i64,
 }
 
-fn new_whispered() -> Transcribed {
+fn new_whispered() -> Whispered {
-   Transcribed{data: vec![]}
+   Whispered{data: vec![]}
 }
 
-fn new_a_whispered(data: String, start: i64, stop: i64) -> ATranscribed {
+fn new_a_whispered(data: String, start: i64, stop: i64) -> AWhispered {
-   ATranscribed{
+   AWhispered{
       data: data,
       offset: start.clone(),
       length: stop - start,
    }
 }
 
-impl Transcribed {
+impl Whispered {
    pub fn to_string(&self) -> String {
       let mut result = "".to_string();
       for i in 0..self.data.len() {
@@ -330,7 +265,7 @@ impl Transcribed {
       result
    }
 
-   fn after(&self, t: &f32) -> Transcribed {
+   fn after(&self, t: &f32) -> Whispered {
       let mut result = new_whispered();
       self.data
          .iter()
@@ -339,7 +274,7 @@ impl Transcribed {
       result
    }
 
-   fn before(&self, t: &f32) -> Transcribed {
+   fn before(&self, t: &f32) -> Whispered {
       let mut result = new_whispered();
       let end = match self.data.iter().map(|x| x.offset + x.length).max() {
          Some(x) => x,
@@ -364,52 +299,65 @@ impl Transcribed {
    }
 }
 
-#[cfg(test)]
+struct Listener {
-mod tests {
-   use super::*;
-
-   #[test]
-   fn test_transcribe_tiny_jfk_wav_whisper_rs_wav_channel() {
-      wav_channel(
-         Flags {
-            model_path: None,
-            model_buffer: Some(include_bytes!("../../models/ggml-tiny.en.bin").to_vec()),
-            threads: 8,
-            stream_step: 30,
-            stream_retain: 0.0,
-            stream_head: 0.0,
-            stream_tail: 0.0,
-            wav: Some("../gitea-whisper-rs/sys/whisper.cpp/bindings/go/samples/jfk.wav".to_string()),
-            debug: false,
-            stream_device: None,
-         },
-         move | result | {
-            assert!(result.is_ok());
-            assert_eq!(result.unwrap().to_string(), " And so my fellow Americans ask not what your country can do for you ask what you can do for your country.");
-         },
-      );
 }
 
-   #[test]
+fn new_listener() -> Listener {
-   fn test_transcribe_tiny_jfk_wav_whisper_rs() {
+   Listener{}
-      wav(
+}
-         Flags {
+
-            model_path: None,
+impl Listener {
-            model_buffer: Some(include_bytes!("../../models/ggml-tiny.en.bin").to_vec()),
+   fn listen(self, mut cb: impl FnMut(Vec<f32>)) {
-            threads: 8,
+      let (send, recv) = std::sync::mpsc::sync_channel(100);
-            stream_step: 0,
+      thread::spawn(move || { self._listen(send); });
-            stream_retain: 0.0,
+      loop {
-            stream_head: 0.0,
+         match recv.recv() {
-            stream_tail: 0.0,
+            Ok(msg) => cb(msg),
-            wav: Some("../gitea-whisper-rs/sys/whisper.cpp/bindings/go/samples/jfk.wav".to_string()),
+            Err(_) => return,
-            debug: false,
+         };
-            stream_device: None,
+      }
-         },
+   }
-         | result | {
+
-            assert!(result.is_ok());
+   fn _listen(self, send: std::sync::mpsc::SyncSender<Vec<f32>>) {
-            assert_eq!(result.unwrap().to_string(), " And so my fellow Americans ask not what your country can do for you ask what you can do for your country.");
+      let host = cpal::default_host();
-         },
+      let device = host.default_input_device().unwrap();
-         "../gitea-whisper-rs/sys/whisper.cpp/bindings/go/samples/jfk.wav".to_string(),
+      let cfg = device.supported_input_configs()
-      );
+         .unwrap()
+         .filter(|x| x.sample_format() == cpal::SampleFormat::F32)
+         .nth(0)
+         .unwrap()
+         .with_max_sample_rate();
+
+      let downsample_ratio = cfg.channels() as f32 * (cfg.sample_rate().0 as f32 / 16_000.0);
+      let stream = device.build_input_stream(
+         &cfg.clone().into(),
+         move |data: &[f32], _: &cpal::InputCallbackInfo| {
+            let mut downsampled_data = vec![];
+            for i in 0..(data.len() as f32 / downsample_ratio) as usize {
+               let mut upsampled = i as f32 * downsample_ratio;
+               if upsampled > (data.len()-1) as f32 {
+                  upsampled = (data.len()-1) as f32
+               }
+               downsampled_data.push(data[upsampled as usize]);
+            }
+            match send.try_send(downsampled_data) {
+               Ok(_) => (),
+               Err(msg) => eprintln!("failed to ingest audio: {}", msg),
+            };
+         },
+         move |err| {
+            eprintln!("input error: {}", err)
+         },
+         None,
+      ).unwrap();
+      stream.play().unwrap();
+
+      eprintln!("listening on {}", device.name().unwrap());
+      let mut signals = Signals::new(&[SIGINT]).unwrap();
+      for sig in signals.forever() {
+         eprintln!("sig {}", sig);
+         break;
+      }
+      stream.pause().unwrap();
    }
 }

rust-whisper-lib/target/doc/rust_whisper_lib/all.html

@@ -1 +1 @@
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+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="List of all items in this crate"><title>List of all items in this crate</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceSerif4-Bold-a2c9cd1067f8b328.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><link rel="stylesheet" href="../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../static.files/rustdoc-fa3bb1812debf86c.css"><meta name="rustdoc-vars" data-root-path="../" data-static-root-path="../static.files/" data-current-crate="rust_whisper_lib" data-themes="" data-resource-suffix="" data-rustdoc-version="1.74.0 (79e9716c9 2023-11-13)" data-channel="1.74.0" data-search-js="search-8be46b629f5f14a8.js" data-settings-js="settings-74424d7eec62a23e.js" ><script src="../static.files/storage-fec3eaa3851e447d.js"></script><script defer src="../static.files/main-c5bd66d33317d69f.js"></script><noscript><link rel="stylesheet" href="../static.files/noscript-5d8b3c7633ad77ba.css"></noscript><link rel="alternate icon" type="image/png" href="../static.files/favicon-16x16-8b506e7a72182f1c.png"><link rel="alternate icon" type="image/png" href="../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../static.files/favicon-2c020d218678b618.svg"></head><body class="rustdoc mod"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">&#9776;</button><a class="logo-container" href="../rust_whisper_lib/index.html"><img class="rust-logo" src="../static.files/rust-logo-151179464ae7ed46.svg" alt="logo"></a></nav><nav class="sidebar"><a class="logo-container" href="../rust_whisper_lib/index.html"><img class="rust-logo" src="../static.files/rust-logo-151179464ae7ed46.svg" alt="logo"></a><h2 class="location"><a href="#">Crate rust_whisper_lib</a></h2><div class="sidebar-elems"><section><ul class="block"><li><a href="#structs">Structs</a></li><li><a href="#functions">Functions</a></li></ul></section></div></nav><main><div class="width-limiter"><nav class="sub"><form class="search-form"><span></span><input class="search-input" name="search" aria-label="Run search in the documentation" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><section id="main-content" class="content"><h1>List of all items</h1><h3 id="structs">Structs</h3><ul class="all-items"><li><a href="struct.AWhispered.html">AWhispered</a></li><li><a href="struct.Flags.html">Flags</a></li><li><a href="struct.Whispered.html">Whispered</a></li></ul><h3 id="functions">Functions</h3><ul class="all-items"><li><a href="fn.main.html">main</a></li></ul></section></div></main></body></html>

rust-whisper-lib/target/doc/rust_whisper_lib/fn.main.html

@@ -0,0 +1,2 @@
+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `main` fn in crate `rust_whisper_lib`."><title>main in rust_whisper_lib - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceSerif4-Bold-a2c9cd1067f8b328.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><link rel="stylesheet" href="../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../static.files/rustdoc-fa3bb1812debf86c.css"><meta name="rustdoc-vars" data-root-path="../" data-static-root-path="../static.files/" data-current-crate="rust_whisper_lib" data-themes="" data-resource-suffix="" data-rustdoc-version="1.74.0 (79e9716c9 2023-11-13)" data-channel="1.74.0" data-search-js="search-8be46b629f5f14a8.js" data-settings-js="settings-74424d7eec62a23e.js" ><script src="../static.files/storage-fec3eaa3851e447d.js"></script><script defer src="sidebar-items.js"></script><script defer src="../static.files/main-c5bd66d33317d69f.js"></script><noscript><link rel="stylesheet" href="../static.files/noscript-5d8b3c7633ad77ba.css"></noscript><link rel="alternate icon" type="image/png" href="../static.files/favicon-16x16-8b506e7a72182f1c.png"><link rel="alternate icon" type="image/png" href="../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../static.files/favicon-2c020d218678b618.svg"></head><body class="rustdoc fn"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">&#9776;</button><a class="logo-container" href="../rust_whisper_lib/index.html"><img class="rust-logo" src="../static.files/rust-logo-151179464ae7ed46.svg" alt="logo"></a></nav><nav class="sidebar"><a class="logo-container" href="../rust_whisper_lib/index.html"><img class="rust-logo" src="../static.files/rust-logo-151179464ae7ed46.svg" alt="logo"></a><div class="sidebar-elems"><h2><a href="index.html">In rust_whisper_lib</a></h2></div></nav><main><div class="width-limiter"><nav class="sub"><form class="search-form"><span></span><input class="search-input" name="search" aria-label="Run search in the documentation" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1>Function <a href="index.html">rust_whisper_lib</a>::<wbr><a class="fn" href="#">main</a><button id="copy-path" title="Copy item path to clipboard"><img src="../static.files/clipboard-7571035ce49a181d.svg" width="19" height="18" alt="Copy item path"></button></h1><span class="out-of-band"><a class="src" href="../src/rust_whisper_lib/lib.rs.html#33-90">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>&#x2212;</span>]</button></span></div><pre class="rust item-decl"><code>pub fn main&lt;F&gt;(flags: <a class="struct" href="struct.Flags.html" title="struct rust_whisper_lib::Flags">Flags</a>, handler_fn: F)<span class="where fmt-newline">where
+    F: <a class="trait" href="https://doc.rust-lang.org/1.74.0/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(<a class="enum" href="https://doc.rust-lang.org/1.74.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="struct" href="struct.Whispered.html" title="struct rust_whisper_lib::Whispered">Whispered</a>, <a class="struct" href="https://doc.rust-lang.org/1.74.0/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>&gt;) + <a class="trait" href="https://doc.rust-lang.org/1.74.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + 'static,</span></code></pre></section></div></main></body></html>

rust-whisper-lib/target/doc/rust_whisper_lib/index.html

@@ -1 +1 @@
-<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `rust_whisper_lib` crate."><title>rust_whisper_lib - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceSerif4-Bold-a2c9cd1067f8b328.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><link rel="stylesheet" href="../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../static.files/rustdoc-fa3bb1812debf86c.css"><meta name="rustdoc-vars" data-root-path="../" data-static-root-path="../static.files/" data-current-crate="rust_whisper_lib" data-themes="" data-resource-suffix="" data-rustdoc-version="1.74.0 (79e9716c9 2023-11-13)" data-channel="1.74.0" data-search-js="search-8be46b629f5f14a8.js" data-settings-js="settings-74424d7eec62a23e.js" ><script src="../static.files/storage-fec3eaa3851e447d.js"></script><script defer src="../crates.js"></script><script defer src="../static.files/main-c5bd66d33317d69f.js"></script><noscript><link rel="stylesheet" href="../static.files/noscript-5d8b3c7633ad77ba.css"></noscript><link rel="alternate icon" type="image/png" href="../static.files/favicon-16x16-8b506e7a72182f1c.png"><link rel="alternate icon" type="image/png" href="../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../static.files/favicon-2c020d218678b618.svg"></head><body class="rustdoc mod crate"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">&#9776;</button><a class="logo-container" href="../rust_whisper_lib/index.html"><img class="rust-logo" src="../static.files/rust-logo-151179464ae7ed46.svg" alt="logo"></a></nav><nav class="sidebar"><a class="logo-container" href="../rust_whisper_lib/index.html"><img class="rust-logo" src="../static.files/rust-logo-151179464ae7ed46.svg" alt="logo"></a><h2 class="location"><a href="#">Crate rust_whisper_lib</a></h2><div class="sidebar-elems"><ul class="block"><li class="version">Version 0.1.0</li><li><a id="all-types" href="all.html">All Items</a></li></ul><section><ul class="block"><li><a href="#structs">Structs</a></li><li><a href="#functions">Functions</a></li></ul></section></div></nav><main><div class="width-limiter"><nav class="sub"><form class="search-form"><span></span><input class="search-input" name="search" aria-label="Run search in the documentation" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1>Crate <a class="mod" href="#">rust_whisper_lib</a><button id="copy-path" title="Copy item path to clipboard"><img src="../static.files/clipboard-7571035ce49a181d.svg" width="19" height="18" alt="Copy item path"></button></h1><span class="out-of-band"><a class="src" href="../src/rust_whisper_lib/lib.rs.html#1-352">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>&#x2212;</span>]</button></span></div><h2 id="structs" class="small-section-header"><a href="#structs">Structs</a></h2><ul class="item-table"><li><div class="item-name"><a class="struct" href="struct.Flags.html" title="struct rust_whisper_lib::Flags">Flags</a></div></li><li><div class="item-name"><a class="struct" href="struct.Transcribed.html" title="struct rust_whisper_lib::Transcribed">Transcribed</a></div></li></ul><h2 id="functions" class="small-section-header"><a href="#functions">Functions</a></h2><ul class="item-table"><li><div class="item-name"><a class="fn" href="fn.channel.html" title="fn rust_whisper_lib::channel">channel</a></div></li><li><div class="item-name"><a class="fn" href="fn.wav.html" title="fn rust_whisper_lib::wav">wav</a></div></li></ul></section></div></main></body></html>
+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `rust_whisper_lib` crate."><title>rust_whisper_lib - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceSerif4-Bold-a2c9cd1067f8b328.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><link rel="stylesheet" href="../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../static.files/rustdoc-fa3bb1812debf86c.css"><meta name="rustdoc-vars" data-root-path="../" data-static-root-path="../static.files/" data-current-crate="rust_whisper_lib" data-themes="" data-resource-suffix="" data-rustdoc-version="1.74.0 (79e9716c9 2023-11-13)" data-channel="1.74.0" data-search-js="search-8be46b629f5f14a8.js" data-settings-js="settings-74424d7eec62a23e.js" ><script src="../static.files/storage-fec3eaa3851e447d.js"></script><script defer src="../crates.js"></script><script defer src="../static.files/main-c5bd66d33317d69f.js"></script><noscript><link rel="stylesheet" href="../static.files/noscript-5d8b3c7633ad77ba.css"></noscript><link rel="alternate icon" type="image/png" href="../static.files/favicon-16x16-8b506e7a72182f1c.png"><link rel="alternate icon" type="image/png" href="../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../static.files/favicon-2c020d218678b618.svg"></head><body class="rustdoc mod crate"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">&#9776;</button><a class="logo-container" href="../rust_whisper_lib/index.html"><img class="rust-logo" src="../static.files/rust-logo-151179464ae7ed46.svg" alt="logo"></a></nav><nav class="sidebar"><a class="logo-container" href="../rust_whisper_lib/index.html"><img class="rust-logo" src="../static.files/rust-logo-151179464ae7ed46.svg" alt="logo"></a><h2 class="location"><a href="#">Crate rust_whisper_lib</a></h2><div class="sidebar-elems"><ul class="block"><li class="version">Version 0.1.0</li><li><a id="all-types" href="all.html">All Items</a></li></ul><section><ul class="block"><li><a href="#structs">Structs</a></li><li><a href="#functions">Functions</a></li></ul></section></div></nav><main><div class="width-limiter"><nav class="sub"><form class="search-form"><span></span><input class="search-input" name="search" aria-label="Run search in the documentation" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1>Crate <a class="mod" href="#">rust_whisper_lib</a><button id="copy-path" title="Copy item path to clipboard"><img src="../static.files/clipboard-7571035ce49a181d.svg" width="19" height="18" alt="Copy item path"></button></h1><span class="out-of-band"><a class="src" href="../src/rust_whisper_lib/lib.rs.html#1-363">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>&#x2212;</span>]</button></span></div><h2 id="structs" class="small-section-header"><a href="#structs">Structs</a></h2><ul class="item-table"><li><div class="item-name"><a class="struct" href="struct.AWhispered.html" title="struct rust_whisper_lib::AWhispered">AWhispered</a></div></li><li><div class="item-name"><a class="struct" href="struct.Flags.html" title="struct rust_whisper_lib::Flags">Flags</a></div></li><li><div class="item-name"><a class="struct" href="struct.Whispered.html" title="struct rust_whisper_lib::Whispered">Whispered</a></div></li></ul><h2 id="functions" class="small-section-header"><a href="#functions">Functions</a></h2><ul class="item-table"><li><div class="item-name"><a class="fn" href="fn.main.html" title="fn rust_whisper_lib::main">main</a></div></li></ul></section></div></main></body></html>

rust-whisper-lib/target/doc/rust_whisper_lib/sidebar-items.js

@@ -1 +1 @@
-window.SIDEBAR_ITEMS = {"fn":["channel","wav"],"struct":["Flags","Transcribed"]};
+window.SIDEBAR_ITEMS = {"fn":["main"],"struct":["AWhispered","Flags","Whispered"]};

rust-whisper/Cargo.lock

@@ -2,6 +2,21 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "addr2line"
+version = "0.21.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb"
+dependencies = [
+ "gimli",
+]
+
+[[package]]
+name = "adler"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
+
 [[package]]
 name = "aho-corasick"
 version = "1.1.2"
@@ -33,6 +48,21 @@ dependencies = [
  "pkg-config",
 ]
 
+[[package]]
+name = "android-tzdata"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e999941b234f3131b00bc13c22d06e8c5ff726d1b6318ac7eb276997bbb4fef0"
+
+[[package]]
+name = "android_system_properties"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "819e7219dbd41043ac279b19830f2efc897156490d7fd6ea916720117ee66311"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "anstream"
 version = "0.6.5"
@@ -87,6 +117,21 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
+[[package]]
+name = "backtrace"
+version = "0.3.69"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2089b7e3f35b9dd2d0ed921ead4f6d318c27680d4a5bd167b3ee120edb105837"
+dependencies = [
+ "addr2line",
+ "cc",
+ "cfg-if",
+ "libc",
+ "miniz_oxide",
+ "object",
+ "rustc-demangle",
+]
+
 [[package]]
 name = "bindgen"
 version = "0.68.1"
@@ -148,6 +193,12 @@ version = "3.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7f30e7476521f6f8af1a1c4c0b8cc94f0bee37d91763d0ca2665f299b6cd8aec"
 
+[[package]]
+name = "byteorder"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
+
 [[package]]
 name = "bytes"
 version = "1.5.0"
@@ -185,6 +236,20 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "chrono"
+version = "0.4.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f2c685bad3eb3d45a01354cedb7d5faa66194d1d58ba6e267a8de788f79db38"
+dependencies = [
+ "android-tzdata",
+ "iana-time-zone",
+ "js-sys",
+ "num-traits",
+ "wasm-bindgen",
+ "windows-targets 0.48.5",
+]
+
 [[package]]
 name = "clang-sys"
 version = "1.6.1"
@@ -346,6 +411,12 @@ version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "42703706b716c37f96a77aea830392ad231f44c9e9a67872fa5548707e11b11c"
 
+[[package]]
+name = "gimli"
+version = "0.28.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
+
 [[package]]
 name = "glob"
 version = "0.3.1"
@@ -373,6 +444,29 @@ dependencies = [
  "windows-sys",
 ]
 
+[[package]]
+name = "iana-time-zone"
+version = "0.1.58"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8326b86b6cff230b97d0d312a6c40a60726df3332e721f72a1b035f451663b20"
+dependencies = [
+ "android_system_properties",
+ "core-foundation-sys",
+ "iana-time-zone-haiku",
+ "js-sys",
+ "wasm-bindgen",
+ "windows-core",
+]
+
+[[package]]
+name = "iana-time-zone-haiku"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f31827a206f56af32e590ba56d5d2d085f558508192593743f16b2306495269f"
+dependencies = [
+ "cc",
+]
+
 [[package]]
 name = "indexmap"
 version = "2.1.0"
@@ -383,12 +477,6 @@ dependencies = [
  "hashbrown",
 ]
 
-[[package]]
-name = "itoa"
-version = "1.0.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1a46d1a171d865aa5f83f92695765caa047a9b4cbae2cbf37dbd613a793fd4c"
-
 [[package]]
 name = "jni"
 version = "0.19.0"
@@ -475,14 +563,6 @@ version = "0.4.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c4cd1a83af159aa67994778be9070f0ae1bd732942279cabb14f86f986a21456"
 
-[[package]]
-name = "listen-lib"
-version = "0.1.0"
-dependencies = [
- "cpal",
- "signal-hook",
-]
-
 [[package]]
 name = "lock_api"
 version = "0.4.11"
@@ -520,6 +600,15 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
 
+[[package]]
+name = "miniz_oxide"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e7810e0be55b428ada41041c41f32c9f1a42817901b4ccf45fa3d4b6561e74c7"
+dependencies = [
+ "adler",
+]
+
 [[package]]
 name = "ndk"
 version = "0.7.0"
@@ -611,6 +700,15 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "object"
+version = "0.32.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9cf5f9dd3933bd50a9e1f149ec995f39ae2c496d31fd772c1fd45ebc27e902b0"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "oboe"
 version = "0.5.0"
@@ -669,6 +767,12 @@ version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "19b17cddbe7ec3f8bc800887bab5e717348c95ea2ca0b1bf0837fb964dc67099"
 
+[[package]]
+name = "pin-project-lite"
+version = "0.2.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8afb450f006bf6385ca15ef45d71d2288452bc3683ce2e2cacc0d18e4be60b58"
+
 [[package]]
 name = "pkg-config"
 version = "0.3.27"
@@ -764,31 +868,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b9b1a3d5f46d53f4a3478e2be4a5a5ce5108ea58b100dcd139830eae7f79a3a1"
 
 [[package]]
-name = "rust-stemmers"
+name = "rust-whisper"
-version = "1.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e46a2036019fdb888131db7a4c847a1063a7493f971ed94ea82c67eada63ca54"
-dependencies = [
- "serde",
- "serde_derive",
-]
-
-[[package]]
-name = "rust-whisper-baked"
 version = "0.1.0"
 dependencies = [
  "clap",
- "listen-lib",
- "rust-stemmers",
- "rust-whisper-baked-lib",
- "rust-whisper-lib",
- "stop-words",
-]
-
-[[package]]
-name = "rust-whisper-baked-lib"
-version = "0.1.0"
-dependencies = [
  "rust-whisper-lib",
 ]
 
@@ -796,11 +879,22 @@ dependencies = [
 name = "rust-whisper-lib"
 version = "0.1.0"
 dependencies = [
+ "byteorder",
+ "chrono",
  "clap",
+ "cpal",
+ "signal-hook",
+ "tokio",
  "wav",
  "whisper-rs",
 ]
 
+[[package]]
+name = "rustc-demangle"
+version = "0.1.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d626bb9dae77e28219937af045c257c28bfd3f69333c512553507f5f9798cb76"
+
 [[package]]
 name = "rustc-hash"
 version = "1.1.0"
@@ -820,12 +914,6 @@ dependencies = [
  "windows-sys",
 ]
 
-[[package]]
-name = "ryu"
-version = "1.0.16"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f98d2aa92eebf49b69786be48e4477826b256916e84a57ff2a4f21923b48eb4c"
-
 [[package]]
 name = "same-file"
 version = "1.0.6"
@@ -841,37 +929,6 @@ version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
-[[package]]
-name = "serde"
-version = "1.0.193"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "25dd9975e68d0cb5aa1120c288333fc98731bd1dd12f561e468ea4728c042b89"
-dependencies = [
- "serde_derive",
-]
-
-[[package]]
-name = "serde_derive"
-version = "1.0.193"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "43576ca501357b9b071ac53cdc7da8ef0cbd9493d8df094cd821777ea6e894d3"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.41",
-]
-
-[[package]]
-name = "serde_json"
-version = "1.0.109"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cb0652c533506ad7a2e353cce269330d6afd8bdfb6d75e0ace5b35aacbd7b9e9"
-dependencies = [
- "itoa",
- "ryu",
- "serde",
-]
-
 [[package]]
 name = "shlex"
 version = "1.2.0"
@@ -903,15 +960,6 @@ version = "1.11.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4dccd0940a2dcdf68d092b8cbab7dc0ad8fa938bf95787e1b916b0e3d0e8e970"
 
-[[package]]
-name = "stop-words"
-version = "0.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8500024d809de02ecbf998472b7bed3c4fca380df2be68917f6a473bdb28ddcc"
-dependencies = [
- "serde_json",
-]
-
 [[package]]
 name = "strsim"
 version = "0.10.0"
@@ -960,6 +1008,16 @@ dependencies = [
  "syn 2.0.41",
 ]
 
+[[package]]
+name = "tokio"
+version = "1.35.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c89b4efa943be685f629b149f53829423f8f5531ea21249408e8e2f8671ec104"
+dependencies = [
+ "backtrace",
+ "pin-project-lite",
+]
+
 [[package]]
 name = "toml_datetime"
 version = "0.6.5"
@@ -1153,6 +1211,15 @@ dependencies = [
  "windows-targets 0.42.2",
 ]
 
+[[package]]
+name = "windows-core"
+version = "0.51.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f1f8cf84f35d2db49a46868f947758c7a1138116f7fac3bc844f43ade1292e64"
+dependencies = [
+ "windows-targets 0.48.5",
+]
+
 [[package]]
 name = "windows-sys"
 version = "0.52.0"

rust-whisper/Cargo.toml

@@ -1,5 +1,5 @@
 [package]
-name = "rust-whisper-baked-lib"
+name = "rust-whisper"
 version = "0.1.0"
 edition = "2021"
 
@@ -7,3 +7,4 @@ edition = "2021"
 
 [dependencies]
 rust-whisper-lib = { path = "../rust-whisper-lib" }
+clap = { version = "4.4.10", features = ["derive"] }

rust-whisper/cargo.sh

@@ -0,0 +1,8 @@
+#! /bin/bash
+
+#RUSTFLAGS="-Clink-args=-lstd++" \
+
+export C_INCLUDE_PATH="$C_INCLUDE_PATH:$PWD/.."
+export LIBRARY_PATH="$LIBRARY_PATH:$PWD/.."
+
+cargo "$@"

rust-whisper/src/main.rs

@@ -0,0 +1,15 @@
+use rust_whisper_lib;
+use clap::Parser;
+
+fn main() {
+   let flags = rust_whisper_lib::Flags::parse();
+   rust_whisper_lib::main(
+      flags,
+      |result: Result<rust_whisper_lib::Whispered, String>| {
+         match result {
+            Ok(whispered) => { println!("{}", whispered.to_string()); },
+            Err(msg) => { eprintln!("error: {}", msg); },
+         };
+      },
+   );
+}

todo.yaml

@@ -1,12 +0,0 @@
-todo:
-- wav to subtitles
-- compound words like checkmark vs check mark should destutter
-- whisper trims outside silence so head and tail never get hit
-- split on silence-ish instead of duration
-- rust-whisper warn when transcription time ~ input time
-scheduled: []
-done:
-- todo: need to overlap without ANY puctuation, which i can do by breaking into words
-  ts: Tue Jan  2 13:23:00 EST 2024
-- todo: overlap without stop words
-  ts: Wed Jan  3 03:22:14 EST 2024

wav_to_mkv.d/wav_subtitles.rs

@@ -1,100 +0,0 @@
-// This example is not going to build in this folder.
-// You need to copy this code into your project and add the dependencies whisper_rs and hound in your cargo.toml
-
-use hound;
-use std::fs::File;
-use std::io::Write;
-use whisper_rs::{FullParams, SamplingStrategy, WhisperContext};
-
-/// Loads a context and model, processes an audio file, and prints the resulting transcript to stdout.
-fn main() -> Result<(), &'static str> {
-   let args: Vec<String> = std::env::args().collect();
-
-    // Load a context and model.
-    let ctx = WhisperContext::new(&args[1])
-        .expect("failed to load model");
-    // Create a state
-    let mut state = ctx.create_state().expect("failed to create key");
-
-    // Create a params object for running the model.
-    // The number of past samples to consider defaults to 0.
-    let mut params = FullParams::new(SamplingStrategy::Greedy { best_of: 0 });
-
-    // Edit params as needed.
-    // Set the number of threads to use to 1.
-    //params.set_n_threads(1);
-    // Enable translation.
-    params.set_translate(true);
-    // Set the language to translate to to English.
-    params.set_language(Some("en"));
-    // Disable anything that prints to stdout.
-    params.set_print_special(false);
-    params.set_print_progress(false);
-    params.set_print_realtime(false);
-    params.set_print_timestamps(false);
-
-    // Open the audio file.
-    let mut reader = hound::WavReader::open(&args[2]).expect("failed to open file");
-    #[allow(unused_variables)]
-    let hound::WavSpec {
-        channels,
-        sample_rate,
-        bits_per_sample,
-        ..
-    } = reader.spec();
-
-    // Convert the audio to floating point samples.
-    let mut audio = whisper_rs::convert_integer_to_float_audio(
-        &reader
-            .samples::<i16>()
-            .map(|s| s.expect("invalid sample"))
-            .collect::<Vec<_>>(),
-    );
-
-    // Convert audio to 16KHz mono f32 samples, as required by the model.
-    // These utilities are provided for convenience, but can be replaced with custom conversion logic.
-    // SIMD variants of these functions are also available on nightly Rust (see the docs).
-    if channels == 2 {
-        audio = whisper_rs::convert_stereo_to_mono_audio(&audio)?;
-    } else if channels != 1 {
-        panic!(">2 channels unsupported");
-    }
-
-    if sample_rate != 16000 {
-        panic!("sample rate must be 16KHz");
-    }
-
-    // Run the model.
-    state.full(params, &audio[..]).expect("failed to run model");
-
-    // Create a file to write the transcript to.
-    let mut file = File::create("transcript.txt").expect("failed to create file");
-
-    // Iterate through the segments of the transcript.
-    let num_segments = state
-        .full_n_segments()
-        .expect("failed to get number of segments");
-    for i in 0..num_segments {
-        // Get the transcribed text and timestamps for the current segment.
-        let segment = state
-            .full_get_segment_text(i)
-            .expect("failed to get segment");
-        let start_timestamp = state
-            .full_get_segment_t0(i)
-            .expect("failed to get start timestamp");
-        let end_timestamp = state
-            .full_get_segment_t1(i)
-            .expect("failed to get end timestamp");
-
-        // Print the segment to stdout.
-        println!("[{} - {}]: {}", start_timestamp, end_timestamp, segment);
-
-        // Format the segment information as a string.
-        let line = format!("[{} - {}]: {}\n", start_timestamp, end_timestamp, segment);
-
-        // Write the segment information to the file.
-        file.write_all(line.as_bytes())
-            .expect("failed to write to file");
-    }
-    Ok(())
-}

wav_to_mkv.d/wav_to_mkv.sh

@@ -1,66 +0,0 @@
-#! /bin/bash
-
-main() {
-   set -euo pipefail
-
-   input_wav="$(realpath "$1")"
-   model="$(realpath "${2:-../models/ggml-small.en.bin}")"
-   already_transcribed="${3:-false}"
-
-   sanitized_wav="${input_wav%.*}.mono-16khz.wav"
-   ffmpeg -y -i "$input_wav" -ac 1 -ar 16k "$sanitized_wav"
-
-   if ! $already_transcribed; then
-      pushd "$(dirname "$(realpath "$BASH_SOURCE")")"
-      cd ../gitea-whisper-rs/
-      cargo run --example wav_subtitles -- "$model" "$sanitized_wav"
-      popd
-   fi
-   out_to_srt ../gitea-whisper-rs/transcript.txt > "${input_wav%.*}.srt"
-
-   ffmpeg -y \
-      -loop 1 -i sc.jpg \
-      -i "$input_wav" \
-      -i "${input_wav%.*}.srt" \
-      -c:v libx264 \
-      -tune stillimage \
-      -pix_fmt yuv420p -shortest \
-      "${input_wav%.*}.mkv"
-
-   ls "${input_wav%.*}.mkv"
-}
-
-out_to_srt() {
-   cs_to_ts() {
-      echo "$1" | awk '{
-         printf "%02d:%02d:%02d,000",
-            int(($1/100.0)/60/60),
-            int(($1/100.0)/60%60),
-            int(($1/100.0)%60)
-      }'
-   }
-
-   cat "$1" \
-   | (
-      i=0
-      while read -r line; do
-         ((i+=1))
-         echo "$i"
-         echo "$(cs_to_ts "$(
-            echo "${line%%:]  *}" \
-            | tr -d '[' \
-            | awk '{print $1}'
-         )") --> $(cs_to_ts "$(
-            echo "${line%%:]  *}" \
-            | tr -d '[' \
-            | awk '{print $3}'
-         )")"
-         echo "${line#*:  }"
-         echo
-      done
-   )
-}
-
-if [ "$0" == "$BASH_SOURCE" ]; then
-   main "$@"
-fi