python对视频画框标记后保存的方法

需要画框取消注释rectangle

import cv2
import os,sys,shutil
import numpy as np
 
# Open the input movie file, input the filepath as
input_filepath = sys.argv[1]
input_movie = cv2.VideoCapture(input_filepath)
length = int(input_movie.get(cv2.CAP_PROP_frame_COUNT))
 
#设置output
output_movie = cv2.VideoWriter(input_filepath.replace("mp4","avi").replace("input","output"), cv2.VideoWriter_fourcc('D', 'I', 'V', 'X'), 25, (1280, 720))
 
# Initialize some variables
frame_number = 0
 
while True:
 # Grab a single frame of video
 ret, frame = input_movie.read()
 
 frame_number += 1
 
 # Quit when the input video file ends
 if not ret:
  break
 
 # Draw a box around the body: input the top left point(x,y) and bottom right point(x,y)
 #cv2.rectangle(frame, (left, top), (right, bottom), (0, 0, 255), 2)
 
 # Write the resulting image to the output video file
 print("Writing frame {} / {}".format(frame_number, length))
 output_movie.write(frame)
 
# All done!
input_movie.release()
cv2.destroyAllWindows()

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