【python下使用OpenCV实现计算机视觉读书笔记4】保存摄像头视频

读取摄像头内容，然后保存一段十秒钟的视频。

import cv2cameraCapture = cv2.VideoCapture(0)fps = 30 # an assumptionsize = (int(cameraCapture.get(cv2.cv.CV_CAP_PROP_FRAME_WIDTH)),int(cameraCapture.get(cv2.cv.CV_CAP_PROP_FRAME_HEIGHT)))videoWriter = cv2.VideoWriter('MyOutputVid.avi', cv2.cv.CV_FOURCC('I','4','2','0'), fps, size)success, frame = cameraCapture.read()numFramesRemaining = 10 * fps - 1while success and numFramesRemaining > 0: videoWriter.write(frame) success, frame = cameraCapture.read() numFramesRemaining -= 1

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