import cv2
import time
def aa():
    start = time.time()
    vid = cv2.VideoCapture("http://live.play.t-aaron.com/live/THSAk_hd.m3u8")
    print("aaaaaaa", time.time() - start)
    while True:
        if vid is None or not vid.isOpened():
            print("11111111111111111111111", vid)
            continue
        return_value, frame = vid.read()
        if return_value is not None and return_value:
            print("拉流时间", time.time()-start)
            # break




if __name__=="__main__":
    aa()