@logitech-mx-creative-console/node/dist/jpeg.js

An npm module for interfacing with the Logitech MX Creative Console in node

import * as jpegJS from 'jpeg-js';
const DEFAULT_QUALITY = 95;
/**
 * The default JPEG encoder.
 * `@julusian/jpeg-turbo` will be used if it can be found, otherwise it will fall back to `jpeg-js`
 * @param buffer The buffer to convert
 * @param width Width of the image
 * @param height Hieght of the image
 */
export async function encodeJPEG(buffer, width, height, options) {
    try {
        const jpegTurbo2 = await import('@julusian/jpeg-turbo');
        // @ts-expect-error - bad export
        const jpegTurbo = jpegTurbo2.default;
        // Try using jpeg-turbo if it is available
        if (jpegTurbo.bufferSize && !!jpegTurbo.compress) {
            const encodeOptions = {
                format: jpegTurbo.FORMAT_RGBA,
                width,
                height,
                quality: DEFAULT_QUALITY,
                ...options,
            };
            if (buffer.length === width * height * 4) {
                const tmpBuffer = Buffer.alloc(jpegTurbo.bufferSize(encodeOptions));
                return jpegTurbo.compress(Buffer.from(buffer), tmpBuffer, encodeOptions); // Future: avoid rewrap
            }
        }
    }
    catch (_e) {
        // TODO - log error
    }
    // If jpeg-turbo is unavailable or fails, then fallback to jpeg-js
    const jpegBuffer2 = jpegJS.encode({ width, height, data: buffer }, options ? options.quality : DEFAULT_QUALITY);
    return jpegBuffer2.data;
}
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