保存直播流生存逐个图片
import cv2
from threading import Threadclass ThreadedCamera(object):def __init__(self, source = 0):self.capture = cv2.VideoCapture(source)self.thread = Thread(target = self.update, args = ())self.thread.daemon = Trueself.thread.start()self.status = Falseself.frame = Nonedef update(self):while True:if self.capture.isOpened():(self.status, self.frame) = self.capture.read()def grab_frame(self):if self.status:return self.framereturn None if __name__ == '__main__':stream_link = "http://joy-oclive.linkv.fun/yolo/16938082183952747665.flv?wsSecret=a487d5c24d0e63af58717f2fe323b5ba&wsABStime=64f602fa"streamer = ThreadedCamera(stream_link)while True:frame = streamer.grab_frame()if frame is not None:cv2.imshow("Context", frame)cv2.waitKey(1) 基于OpenCv的视频流处理方法_opencv处理视频流_北溪入江流的博客-CSDN博客
Python CV连续多帧的图像文件夹合成视频(代码) - 知乎
参考：
python - OpenCV real time streaming video capture is slow. How to drop frames or get synced with real time? - Stack Overflow
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