Python-录制电脑视频

from PIL import ImageGrab
import numpy as np
import cv2
import time

tlast = 10 # 录制的时长，单位秒
p = ImageGrab.grab()  # 获得当前屏幕
a, b = p.size  # 获得当前屏幕的大小
fourcc = cv2.VideoWriter_fourcc(*'XVID')  # 编码格式
video = cv2.VideoWriter('test.mp4', fourcc, 16, (a, b))  # 输出文件命名为test.mp4,帧率为16，可以自己设置
print('start record the screen')
time1 = time.time()
while True:
    if time.time()-time1 > tlast:
        break
    im = ImageGrab.grab()
    imm = cv2.cvtColor(np.array(im), cv2.COLOR_RGB2BGR)  # 转为opencv的BGR格式
    video.write(imm)
video.release()

from PIL import ImageGrab
import numpy as np
import cv2
import datetime
from pynput import keyboard
import threading

flag = False  # 停止标志位


def video_record():
    """
    屏幕录制！
    :return:
    """
    name = datetime.datetime.now().strftime('%Y-%m-%d %H-%M-%S')  # 当前的时间
    p = ImageGrab.grab()  # 获得当前屏幕
    a, b = p.size  # 获得当前屏幕的大小
    fourcc = cv2.VideoWriter_fourcc(*'XVID')  # 编码格式
    video = cv2.VideoWriter('%s.avi' % name, fourcc, 16, (a, b))  # 输出文件命名为时间.avi,帧率为16，可以自己设置
    while True:
        im = ImageGrab.grab()
        imm = cv2.cvtColor(np.array(im), cv2.COLOR_RGB2BGR)  # 转为opencv的BGR格式
        video.write(imm)
        if flag:
            print("录制结束！")
            break
    video.release()


def on_press(key):
    """
    键盘监听事件！！！
    :param key:
    :return:
    """
    # print(key)
    global flag
    if key == keyboard.Key.esc:
        flag = True
        print("stop monitor！")
        return False  # 返回False，键盘监听结束！


if __name__ == '__main__':
    th = threading.Thread(target=video_record)
    th.start()
    with keyboard.Listener(on_press=on_press) as listener:
        listener.join()