@nodify_at/hailo.js/dist/utils.js

High-performance Node.js bindings for Hailo AI acceleration processors (NPU). Run neural network inference with hardware acceleration on Hailo-8 devices.

import sharp from 'sharp';
import { join } from 'path';
/**
 * Optimized resize using Sharp - much faster than custom implementation
 */
export async function resizeImage(buffer, srcWidth, srcHeight, dstWidth, dstHeight, save = false) {
    if (save) {
        await sharp(buffer, {
            raw: {
                width: srcWidth,
                height: srcHeight,
                channels: 3, // RGB
            },
        })
            .png() // Output as a raw RGB buffer
            .toFile(join(process.cwd(), 'output.png'));
        console.log('Saved output.png');
    }
    return await sharp(buffer, {
        raw: {
            width: srcWidth,
            height: srcHeight,
            channels: 3, // RGB
        },
    })
        .resize(dstWidth, dstHeight, {
        fit: 'contain', // 'contain' creates letterboxing, not 'cover'
        background: { r: 0, g: 0, b: 0 }, // Black letterbox background
    })
        .raw() // Output as a raw RGB buffer
        .toBuffer();
}
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