Function forceMiniSticker

plugins/igs.ts:173–216

(inputBuffer: Buffer, isVideo: boolean, cropSquare: boolean)

}

async function forceMiniSticker(inputBuffer: Buffer, isVideo: boolean, cropSquare: boolean) {
  const tmpDir = path.join(process.cwd(), 'temp');
  if (!fs.existsSync(tmpDir)) fs.mkdirSync(tmpDir, { recursive: true });

  const tempInput = path.join(tmpDir, `mini_${Date.now()}.${isVideo ? 'mp4' : 'jpg'}`);
  const tempOutput = path.join(tmpDir, `mini_out_${Date.now()}.webp`);
  fs.writeFileSync(tempInput, inputBuffer);

  const vf = cropSquare
    ? `crop=min(iw\\,ih):min(iw\\,ih),scale=256:256${isVideo ? ',fps=6' : ''}`
    : `scale=256:256:force_original_aspect_ratio=decrease,pad=256:256:(ow-iw)/2:(oh-ih)/2:color=#00000000${isVideo ? ',fps=6' : ''}`;

  const cmd = `ffmpeg -y -i "${tempInput}" ${isVideo ? '-t 2' : ''} -vf "${vf}" -c:v libwebp -preset default -loop 0 -pix_fmt yuva420p -quality 10 -compression_level 6 -b:v 40k "${tempOutput}"`;

  await new Promise<void>((resolve, reject) => {
    exec(cmd, (error) => error ? reject(error) : resolve(undefined));
  });

  if (!fs.existsSync(tempOutput)) {
    try { fs.unlinkSync(tempInput); } catch {}
    return null;
  }

  const smallWebp = fs.readFileSync(tempOutput);

  const img = new webp.Image();
  await img.load(smallWebp);
  const json = {
    'sticker-pack-id': crypto.randomBytes(32).toString('hex'),
    'sticker-pack-name': config.packname || 'MegaBot',
    'emojis': ['📸']
  };
  const exifAttr = Buffer.from([0x49, 0x49, 0x2A, 0x00, 0x08, 0x00, 0x00, 0x00, 0x01, 0x00, 0x41, 0x57, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x16, 0x00, 0x00, 0x00]);
  const jsonBuffer = Buffer.from(JSON.stringify(json), 'utf8');
  const exif = Buffer.concat([exifAttr, jsonBuffer]);
  exif.writeUIntLE(jsonBuffer.length, 14, 4);
  img.exif = exif;
  const finalBuffer = await img.save(null);

  try { fs.unlinkSync(tempInput); } catch {}
  try { fs.unlinkSync(tempOutput); } catch {}

  return finalBuffer;
}

export default {
  command: 'igs',