从视频序列中等间距提取图像帧

import cv2

if __name__ == '__main__':
    # 指定视频序列
    video_name = 'DSC_0239.MOV'
    capture = cv2.VideoCapture('./video/' + video_name)
    index = 0
    while (capture.isOpened()):
        ret, frame = capture.read()
        if ret==True:
            index += 1
            if (index >= 5 and index <= 1000 and (index) % 5 == 0):
                filename = '1_' + str(int((index)/5)) + '.jpg'
                print(filename)
                # 显示帧
                # cv2.imshow('img', frame)
                # 保存帧
                cv2.imwrite('./image/1/' + filename, frame)
                cv2.waitKey(10)
        else:
            break
    capture.release()
    cv2.destroyAllWindows()