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| import sounddevice as sd
import wave
import os
import time
import numpy as np
from PIL import ImageGrab,Image
import cv2
from multiprocessing import Process
import subprocess
import shutil
def record_screen_motion(st):
while time.time()<st:
pass
while True:
img=ImageGrab.grab(bbox=(0,0,1920,1080)) # windows-系统设置-屏幕-分辨率，屏幕坐标系
ct=time.time()
img=np.array(img.getdata(),np.uint8).reshape(img.size[1],img.size[0],3)
img=cv2.cvtColor(img,cv2.COLOR_RGB2BGR)
cv2.imwrite(f'{int((ct-st)*10):05d}.jpg',img)
if __name__=='__main__':
di=time.strftime('%Y%m%d%H%M%S')
os.mkdir(di)
os.chdir(di)
wf=wave.open('test.wav','wb')
wf.setnchannels(1)
wf.setsampwidth(2)
wf.setframerate(16000)
def callback(indata,frames,time,status):
wf.writeframes(bytes(indata))
try:
st=time.time()
record_screen_process=Process(target=record_screen_motion,args=(st+1,))
record_screen_process.daemon=True
record_screen_process.start()
while time.time()<st+1:
pass
with sd.RawInputStream(samplerate=16000,blocksize=1024,dtype='int16',channels=1,device=21,callback=callback):
while True:
sd.sleep(10000)
except KeyboardInterrupt:
wf.close()
files=os.listdir()
existed_num=[]
for file in files:
if file.endswith('.jpg'):
existed_num.append(int(file.split('.')[0]))
existed_num.sort()
count=0
for i in range(existed_num[-1]):
if not os.path.exists(f'{i:05d}.jpg'):
shutil.copy(f'{existed_num[count]:05d}.jpg',f'{i:05d}.jpg')
else:
count+=1
subprocess.run('ffmpeg -f image2 -framerate 10 -i "%05d.jpg" -b:v 25313k test.mp4')
subprocess.run('ffmpeg -i test.mp4 -i test.wav -vcodec copy -acodec aac o.mp4') # 音频流进行aac编码，来构造视频，MP4容器中不支持PCM（pcm_alaw、pcm_s16le），https://cloud.tencent.com/developer/ask/sof/105539438
print('完成录制屏幕任务')
|