videocameratrap.py

'''
This program will be used on raspberrypi to capture
images using a picamera once motion is detected.
'''

from gpiozero import MotionSensor
from picamera2.encoders import H264Encoder
from picamera2 import Picamera2, Preview
import RPi.GPIO as GPIO
import logging
import os
import time
from subprocess import call

time.sleep(30)

logging.basicConfig(filename='cameratrap.log', level=logging.DEBUG, 
                    format='%(asctime)s:%(levelname)s:%(message)s')

if not os.path.exists("/home/pi/cameratrap"):
    os.mkdir("/home/pi/cameratrap")

try:
    #set GPIO pin 17 as input from the Motion Sensor
    #set GPIO pin 27 as an output for the LED
    pir = MotionSensor(17) 
    camera = Picamera2()
    camera_config = camera.create_still_configuration(main={"size": (1920, 1080)}, lores={"size": (640, 480)}, display="lores")
    camera.configure(camera_config)
    encoder = H264Encoder(bitrate=10000000)

    GPIO.setwarnings(False)
    GPIO.setmode(GPIO.BCM)
    GPIO.setup(27, GPIO.LOW) 

    while True:
        if GPIO.input(17):
           print("Motion detected!")           
           camera.start_preview()
           #filename = "/home/pi/cameratrap/" + (time.strftime("%Y-%m-%d-%H-%M-%S")) + ".jpg"
           filename_h264 = "/home/pi/cameratrap/" + (time.strftime("%Y-%m-%d-%H-%M-%S")) + ".h264"
           filename_mp4 = "/home/pi/cameratrap/" + (time.strftime("%Y-%m-%d-%H-%M-%S")) + ".mp4"
           #camera.stop_preview()
           #Capture video
           GPIO.output(27,1)
           camera.start_recording(encoder, filename_h264)
           camera.wait_recording(10)
           camera.stop_recording()
           #print("Motion detected!")
           time.sleep(2)
           #Convert video from h264 to mp4
           #MP$Box is installed by 'sudo apt-get install gpac'
           #command = "MP4Box -add " + filename_h264 + " " + filename_mp4
           #call([command], shell=True)
           #print("Converted H264 to MP4! \r\n")
        else:
            print("No motion detected!")
            GPIO.output(27,0)
            time.sleep(2)
            
except Exception as err:
    logging.info(str(err))
    print('Error')