{
  "mqtt_server": {
    "veh_id": 20004,
    "address": "192.168.4.195",
    "port": 51883,
    "need_username_pwd": true,
    "client_id": "20004_vehmedia",
    "username": "20004_4A:69:BE:32:59:AE",
    "password": "Zxwl1234@",
    "mqtt_heart_threshold": 1000
  },
  "cameras": [
    {
      "device": "/dev/video0",
      "name": "AHD1",
      "enabled": true,
      "bitrate": 2000000,
      "width": 1280,
      "height": 960,
      "fps": 30
    },
    {
      "device": "/dev/video1",
      "name": "AHD2",
      "enabled": true,
      "bitrate": 2000000,
      "width": 1280,
      "height": 960,
      "fps": 30
    },
    {
      "device": "/dev/video2",
      "name": "AHD3",
      "enabled": true,
      "bitrate": 2000000,
      "width": 1280,
      "height": 960,
      "fps": 30
    },
    {
      "device": "/dev/video3",
      "name": "AHD4",
      "enabled": true,
      "bitrate": 2000000,
      "width": 1280,
      "height": 960,
      "fps": 30
    },
    {
      "device": "/dev/video11",
      "name": "AHD5",
      "enabled": true,
      "bitrate": 2000000,
      "width": 1280,
      "height": 960,
      "fps": 30
    },
    {
      "device": "/dev/video12",
      "name": "AHD6",
      "enabled": true,
      "bitrate": 2000000,
      "width": 1280,
      "height": 960,
      "fps": 30
    },
    {
      "device": "/dev/video13",
      "name": "AHD7",
      "enabled": true,
      "bitrate": 2000000,
      "width": 1280,
      "height": 960,
      "fps": 30
    },
    {
      "device": "/dev/video14",
      "name": "AHD8",
      "enabled": true,
      "bitrate": 2000000,
      "width": 1280,
      "height": 960,
      "fps": 30
    }
  ]
}