Bezpečnostní kamery jsou již běžné spotřební zboží — nelze je nějak využít pro mobilní robotiku? Jsou to „černé krabičky” pouze s mobilní aplikací a daty na cloudu nebo je alternativa? Blog update: 6/9/2024 — AbsoluteMove

Obsah

• 240826 - Náhodný výběr
• 240906 - AbsoluteMove

Blog

26. srpna 2024 — Náhodný výběr

• rtsp://username:password@camera_ip:554/stream1

RTSP stream v VLC

from onvif import ONVIFCamera

# Replace with your camera's IP address, port, username, and password
camera_ip = '192.168.1.100'
camera_port = 2020
username = 'admin'
password = 'password'

# Create an ONVIF camera object
camera = ONVIFCamera(camera_ip, camera_port, username, password)

# Get device information
device_info = camera.devicemgmt.GetDeviceInformation()
print("Manufacturer:", device_info.Manufacturer)
print("Model:", device_info.Model)
print("Firmware Version:", device_info.FirmwareVersion)
print("Serial Number:", device_info.SerialNumber)
print("Hardware ID:", device_info.HardwareId)

Manufacturer: tp-link
Model: Tapo C500
Firmware Version: 1.1.4 Build 240506 Rel.39487n
Serial Number: a19999 (upraveno)
Hardware ID: 1.0

capabilities = camera.devicemgmt.GetCapabilities()

http.client.BadStatusLine: POST /onvif/device_serviceHTTP/1.1Host 192.168.1.18:2020
User-Agent Zeep/4.2.1 (www.python-zeep.org)Accept-Encoding gzip, deflateAcHTTP/1.1
500 Internal Server Error

6. září 2024 — AbsoluteMove

• ONVIF GetStatus method does not work

ERROR:zeep.xsd.types.simple:Error during xml -> python translation
Traceback (most recent call last):
  File "/home/md/.virtualenvs/tapo/lib/python3.8/site-packages/isodate/isodatetime.py", line 51, in parse_datetime
    datestring, timestring = datetimestring.split('T')
ValueError: not enough values to unpack (expected 2, got 1)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/md/.virtualenvs/tapo/lib/python3.8/site-packages/zeep/xsd/types/simple.py", line 79, in parse_xmlelement
    return self.pythonvalue(xmlelement.text)
  File "/home/md/.virtualenvs/tapo/lib/python3.8/site-packages/zeep/xsd/types/builtins.py", line 44, in _wrapper
    return func(self, re.sub(r"[\n\r\t ]", " ", value).strip())
  File "/home/md/.virtualenvs/tapo/lib/python3.8/site-packages/zeep/xsd/types/builtins.py", line 180, in pythonvalue
    return isodate.parse_datetime(value)
  File "/home/md/.virtualenvs/tapo/lib/python3.8/site-packages/isodate/isodatetime.py", line 53, in parse_datetime
    raise ISO8601Error("ISO 8601 time designator 'T' missing. Unable to"
isodate.isoerror.ISO8601Error: ISO 8601 time designator 'T' missing. Unable to parse datetime string 'Fri Sep  6 20:52:11 2024'

media = mycam.create_media_service()

# Create ptz service object
ptz = mycam.create_ptz_service()

# Get target profile
media_profile = media.GetProfiles()[0]

# Get PTZ configuration options for getting continuous move range
request = ptz.create_type('GetConfigurationOptions')
request.ConfigurationToken = media_profile.PTZConfiguration.token
ptz_configuration_options = ptz.GetConfigurationOptions(request)

try:
        datestring, timestring = datetimestring.split('T')
    except ValueError:
        return datetime.strptime(datetimestring, "%a %b %d %H:%M:%S %Y")
#        raise ISO8601Error("ISO 8601 time designator 'T' missing. Unable to"
#                           " parse datetime string %r" % datetimestring)

'Spaces': {
        'AbsolutePanTiltPositionSpace': [
            {
                'URI': 'http://www.onvif.org/ver10/tptz/PanTiltSpaces/PositionGenericSpace',
                'XRange': {
                    'Min': -1.0,
                    'Max': 1.0
                },
                'YRange': {
                    'Min': -1.0,
                    'Max': 1.0
                }
            }
        ],
        'AbsoluteZoomPositionSpace': [],
        'RelativePanTiltTranslationSpace': [
            {
                'URI': 'http://www.onvif.org/ver10/tptz/PanTiltSpaces/TranslationGenericSpace',
                'XRange': {
                    'Min': -1.0,
                    'Max': 1.0
                },
                'YRange': {
                    'Min': -1.0,
                    'Max': 1.0
                }
            }
        ],
        'RelativeZoomTranslationSpace': [],
        'ContinuousPanTiltVelocitySpace': [],
        'ContinuousZoomVelocitySpace': [],
        'PanTiltSpeedSpace': [
            {
                'URI': 'http://www.onvif.org/ver10/tptz/PanTiltSpaces/GenericSpeedSpace',
                'XRange': {
                    'Min': 0.0,
                    'Max': 1.0
                }
            }
        ],
        'ZoomSpeedSpace': [],
        'Extension': None,
        '_attr_1': None,
        …
    },
    'PTZTimeout': {
        'Min': datetime.timedelta(seconds=1),
        'Max': datetime.timedelta(seconds=600)
    },
    '_value_1': [
        
    ],
    'PTControlDirection': None,
    'Extension': None,
    '_attr_1': None
}

# 
    positionrequest = ptz.create_type('AbsoluteMove')
    positionrequest.ProfileToken = media_profile.token

    if positionrequest.Position is None:
        positionrequest.Position = ptz.GetStatus({'ProfileToken': media_profile.token}).Position
        positionrequest.Position.PanTilt.space = ptz_configuration_options.Spaces.AbsolutePanTiltPositionSpace[0].URI
#        positionrequest.Position.Zoom.space = ptz_configuration_options.Spaces.AbsoluteZoomPositionSpace[0].URI
    if positionrequest.Speed is None:
        positionrequest.Speed = ptz.GetStatus({'ProfileToken': media_profile.token}).Position
        positionrequest.Speed.PanTilt.space = ptz_configuration_options.Spaces.PanTiltSpeedSpace[0].URI

    request = positionrequest
    request.Position.PanTilt.x = x
    request.Position.PanTilt.y = y
    ptz.AbsoluteMove(request)

(tapo) md@md-ThinkPad-P50:~/git/pytapo$ python patapo.py 0.5 -0.5
(tapo) md@md-ThinkPad-P50:~/git/pytapo$ python patapo.py -0.4 -0.5
(tapo) md@md-ThinkPad-P50:~/git/pytapo$ python patapo.py 0 -0.7