import cv2
import argparse
parser = argparse.ArgumentParser(description="DensityVideodemo.")
parser.add_argument("video_path", default='', type=str,
                    help='Video path.')


parser.add_argument(
    "opts",
    help="Modify config options using the command-line",
    default=None,
    nargs=argparse.REMAINDER,
)
args = parser.parse_args()
print(args)

#filepath = "/data1/Hatcher/model/data_MPKFNet/rawdata/1_3.mp4"
cap = cv2.VideoCapture(args.video_path)
while (cap.isOpened()):
    ret,frame = cap.read()
    cv2.imshow('image',frame)
    k = cv2.waitKey(0)
    if(k&0xff == ord('q')):
        break
cap.release()
cv2.destroyAllWindows()