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import cv2

import logging

def main():

# 设置视频文件路径

video_path = '/Users/frank/Movies/out.mp4'

# 打开视频文件

cap = cv2.VideoCapture(video_path)

# 检查是否成功打开视频文件

if not cap.isOpened():

print("Error: Couldn't open the video file.")

return

# 设置跳帧步长

frame_skip = 100 # 每隔5帧读取一帧

# 主循环

while True:

# 读取一帧

ret = cap.grab()

# 检查是否到达视频末尾

if not ret:

print("End of video.")

break

# 在这里可以对每一帧进行处理，例如显示、保存等

logging.info(f"Frame {cap.get(cv2.CAP_PROP_POS_FRAMES)}")

# 跳帧

for _ in range(frame_skip - 1):

cap.grab() # 跳过指定数量的帧

logging.info(f"After Frame {cap.get(cv2.CAP_PROP_POS_FRAMES)}")

# 显示当前帧

# cv2.imshow("Frame", frame)

# 检查用户是否按下ESC键，如果是则退出循环

key = cv2.waitKey(30)

if key == 27:

break

# 释放VideoCapture对象

cap.release()

# 关闭所有打开的窗口

cv2.destroyAllWindows()

if __name__ == "__main__":

logging.basicConfig(level=logging.DEBUG,

format='%(asctime)s %(filename)s[line:%(lineno)d] %(levelname)s %(message)s',

datefmt='%Y-%m-%d %H:%M:%S')

main()