python实现录屏功能(亲测好用)

更新时间：2020年03月02日 13:59:52 作者：linnahan https://www.jb51.net/article/181757.htm

import time,threading

from datetime import datetime

from PIL import ImageGrab

from cv2 import *

import numpy as np

from pynput import keyboard

def video_record(): # 录入视频

global name

name = datetime.now().strftime('%Y-%m-%d %H-%M-%S') # 当前的时间（当文件名）

screen = ImageGrab.grab() # 获取当前屏幕

width, high = screen.size # 获取当前屏幕的大小

fourcc = VideoWriter_fourcc('X', 'V', 'I', 'D') # MPEG-4编码,文件后缀可为.avi .asf .mov等

video = VideoWriter('%s.avi' % name, fourcc, 15, (width, high)) # （文件名，编码器，帧率，视频宽高）

print('3秒后开始录制----') # 可选

time.sleep(3)

print('开始录制!')

global start_time

start_time = time.time()

while True:

if flag:

print("录制结束！")

global final_time

final_time = time.time()

video.release() #释放

break

im = ImageGrab.grab() # 图片为RGB模式

imm = cvtColor(np.array(im), COLOR_RGB2BGR) # 转为opencv的BGR模式

video.write(imm) #写入

# time.sleep(5) # 等待5秒再次循环

def on_press(key): # 监听按键

global flag

if key == keyboard.Key.home:

flag = True # 改变

return False # 返回False，键盘监听结束！

def video_info(): # 视频信息

video = VideoCapture('%s.avi' % name) # 记得文件名加格式不要错！

fps = video.get(CAP_PROP_FPS)

Count = video.get(CAP_PROP_FRAME_COUNT)

size = (int(video.get(CAP_PROP_FRAME_WIDTH)), int(video.get(CAP_PROP_FRAME_HEIGHT)))

print('帧率=%.1f'%fps)

print('帧数=%.1f'%Count)

print('分辨率',size)

print('视频时间=%.3f秒'%(int(Count)/fps))

print('录制时间=%.3f秒'%(final_time-start_time))

print('推荐帧率=%.2f'%(fps*((int(Count)/fps)/(final_time-start_time))))

if name == 'main':

flag = False

th = threading.Thread(target=video_record)

th.start()

with keyboard.Listener(on_press=on_press) as listener:

listener.join()

time.sleep(1) # 等待视频释放过后

video_info()