pip install opencv-python  可以安装 cv2 组件

import math
 
import cv2
 
capture=cv2.VideoCapture('星辰大海.mp4')
height=capture.get(cv2.CAP_PROP_FRAME_HEIGHT)
width=capture.get(cv2.CAP_PROP_FRAME_WIDTH)
count=capture.get(cv2.CAP_PROP_FRAME_COUNT)
fps=capture.get(cv2.CAP_PROP_FPS)
 
fourcc=cv2.VideoWriter_fourcc('m','p','4','v')
outVideo=cv2.VideoWriter()
outVideo.open('out.mp4',fourcc,fps,(int(width),int(height)),True)
 
 
def process_video(image):
    # 需要注意的是第一个范围是y轴坐标的范围,第二个是x轴坐标的范围
    img=image[80:130, 1070:1270]
    img=cv2.GaussianBlur(img,(5,5),1.5)
    image[30:80, 1040:1240] = img
    return image
 
for i in range(int(count)):
    ret,frame=capture.read()
    if ret is True:
        result=process_video(frame)
        outVideo.write(result)
    else:
        break
    print('进度：',str(math.ceil(i/count*100))+'%')
outVideo.release()