@remotion/install-whisper-cpp
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Helpers for installing and using Whisper.cpp
109 lines (108 loc) • 4.01 kB
JavaScript
;
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var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
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var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.downloadWhisperModel = exports.getModelPath = void 0;
/* eslint-disable no-console */
const fs_1 = __importStar(require("fs"));
const path_1 = __importDefault(require("path"));
const download_1 = require("./download");
const models = [
'tiny',
'tiny.en',
'base',
'base.en',
'small',
'small.en',
'medium',
'medium.en',
'large-v1',
'large-v2',
'large-v3',
'large-v3-turbo',
];
const modelSizes = {
'medium.en': 1533774781,
'base.en': 147964211,
'large-v1': 3094623691,
'large-v2': 3094623691,
'large-v3': 3095033483,
'large-v3-turbo': 1624555275,
small: 487601967,
tiny: 77691713,
'small.en': 487614201,
'tiny.en': 77704715,
base: 147951465,
medium: 1533763059,
};
const getModelPath = (folder, model) => {
return path_1.default.join(path_1.default.resolve(process.cwd(), folder), `ggml-${model}.bin`);
};
exports.getModelPath = getModelPath;
const downloadWhisperModel = async ({ model, folder, printOutput = true, onProgress, signal, }) => {
if (!models.includes(model)) {
throw new Error(`Invalid whisper model ${model}. Available: ${models.join(', ')}`);
}
const filePath = (0, exports.getModelPath)(folder, model);
if ((0, fs_1.existsSync)(filePath)) {
const { size } = fs_1.default.statSync(filePath);
if (size === modelSizes[model]) {
if (printOutput) {
console.log(`Model already exists at ${filePath}`);
}
return Promise.resolve({ alreadyExisted: true });
}
if (printOutput) {
throw new Error(`Model ${model} already exists at ${filePath}, but the size is ${size} bytes (expected ${modelSizes[model]} bytes). Delete ${filePath} and try again.`);
}
return Promise.resolve({ alreadyExisted: false });
}
const baseModelUrl = `https://huggingface.co/ggerganov/whisper.cpp/resolve/main/ggml-${model}.bin`;
if (printOutput) {
console.log(`Downloading whisper model ${model} from ${baseModelUrl}`);
}
const fileStream = fs_1.default.createWriteStream(filePath);
await (0, download_1.downloadFile)({
fileStream,
url: baseModelUrl,
printOutput,
onProgress,
signal: signal !== null && signal !== void 0 ? signal : null,
});
return { alreadyExisted: false };
};
exports.downloadWhisperModel = downloadWhisperModel;