问题描述
我正在尝试使用PiCameraCircularIO实现python脚本,以便在发生条件事件时存储视频缓冲区。目前,实现此目标的主要手段是无法向视频添加实时/日期。有什么想法!
import time
import io
import picamera
import datetime as dt
def motion_detected():
camera = picamera.PiCamera()
camera.resolution = (1024,720)
stream = picamera.PiCameraCircularIO(camera,seconds = 10)
camera.start_recording (stream,format = 'h264')
i = 0
try:
while True:
print ("Trigger event(y)?")
trigger = input ()
if trigger =="y":
print ("Buffering...")
camera.wait_recording(5)
stream.copy_to(str(i)+'.h264')
i = i+1
else:
camera.stop_recording()
break
finally:
camera.stop_recording()
def countdown(t):
while t:
mins,secs = divmod (t,60)
timer = '{:02d}:{:02d}'.format(mins,secs)
print(timer,end="\r")
time.sleep(1)
t-=1
print('Buffer available!')
print ("Camera buffer is filling up")
countdown(5)
motion_detected()
解决方法
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