#!/usr/bin/env python3
from os import path, popen, remove
from cv2 import imread, imwrite, IMWRITE_JPEG_QUALITY

while input() != "q":
    for i in range(1, 100):
        if not path.isfile(f"{i:0>2d}.jpg"):
            popen("adb exec-out screencap -p > " + str(i) + ".png").read()
            im = imread(str(i) + ".png")
            imwrite(f"{i:0>2d}.jpg", im[190:1730, 0:1920], [int(IMWRITE_JPEG_QUALITY), 80])
            remove(str(i) + ".png")
            print(f"{i:0>2d}.jpg")
            break
else:
    exit(0)