import os
import rawpy
import cv2

directory = 'arw'

for root, _, files in os.walk(directory):
    for fname in files:
        if fname.lower().endswith('.arw'):
            in_path = os.path.join(root, fname)
            out_path = os.path.splitext(in_path)[0] + '.jpg'
            print(f'Convirtiendo {in_path} → {out_path}')
            
            # Lee y procesa RAW
            with rawpy.imread(in_path) as raw:
                rgb = raw.postprocess()
            
            # OpenCV usa BGR por defecto
            bgr = cv2.cvtColor(rgb, cv2.COLOR_RGB2BGR)
            
            # Guarda JPG (calidad 100)
            cv2.imwrite(out_path, bgr, [int(cv2.IMWRITE_JPEG_QUALITY), 100])