Picamera-添加实时日期/时间

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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