getvideo.py

# USAGE
# python getvideo.py

# DESCRIPTION
# This will connect to the specifiec NVR, check for all recordings for the last X minute
# It will download all videos to the downloads dir make sure its the same as in video_detect.py

# import the necessary packages
import requests
import json
import time
import os
from datetime import datetime

def getvideo():
    #Basic vars
    base = "https://<ip-of-nvr>:7443/api/2.0/recording/"
    apiKey = "?apiKey=<nvr-apikey>"

    interval = int(1)
    downloadDir = 'downloads/'

    d = datetime.now()
    curUnixtime = time.mktime(d.timetuple())
    curUnixtime = str(curUnixtime)[0:10]
    oneAgoUnixtime = str(int(curUnixtime) - interval * 60)

    recordIds = []
    recordCams = []
    files = []

    #Disable SSL warnings for now
    requests.packages.urllib3.disable_warnings()

    #Get the url
    r = requests.get(base+apiKey, verify=False)

    #Parse it to json
    items = r.json()["data"]

    #Go through each item
    for item  in items:
        meta = item["meta"]
        cameraName = meta["cameraName"]
        recording = item["_id"]
        endTime = str(item["endTime"])[0:10]
        if str(item["endTime"])[0:10] > oneAgoUnixtime :
            #print("Cam: "+cameraName+", Starttime: "+endTime+", RecordingID: "+recording)
            #print("\r\n")
            recordCams.append(cameraName)
            recordIds.append(str(recording))

    count = 0
    for record in recordIds:
        #print(record+" cam "+recordCams[count])
        if not os.path.isfile(downloadDir+str(recordCams[count])+'-'+str(record)+'.mp4') :
            r = requests.get(base+record+"/download"+apiKey, verify=False)
            open(downloadDir+str(recordCams[count])+'-'+str(record)+'.mp4', 'wb').write(r.content)
            files.append(str(recordCams[count])+'-'+str(record)+'.mp4')
            count = count + 1

    return files