# url = 

import cv2

# 打开视频文件
# video_path = "/home/admin-root/haotian/锻8/tensorrtx/yolov8/video/180.50.13.253_07_2025042215303747.mp4"
video_path = "/home/admin-root/haotian/锻8/tensorrtx/yolov8/video/180.50.13.253_02_20250627142949812.mp4"
cap = cv2.VideoCapture(video_path)

# 检查是否成功打开视频
if not cap.isOpened():
    print("Error: Could not open video.")
    exit()


n = 0

# 逐帧读取视频
while True:
    # 读取一帧，ret为是否读取成功，frame为帧数据
    ret, frame = cap.read()
    
    # 如果读取失败（如视频结束），退出循环
    if not ret:
        print("Reached end of video.")
        break
    
    # 在此处处理帧数据（例如显示、保存、分析等）
    cv2.imwrite(f"./images_20250627142949812/mp4_{n}.jpg", frame)
    print(f"保存图片{n}")
    n += 1
    

# 释放资源
cap.release()
# cv2.destroyAllWindows()