frigate/frigate/ptz/onvif.py
2023-09-02 17:25:36 -05:00

478 lines
18 KiB
Python

"""Configure and control camera via onvif."""
import datetime
import logging
import site
from enum import Enum
import numpy
from onvif import ONVIFCamera, ONVIFError
from frigate.config import FrigateConfig
from frigate.types import PTZMetricsTypes
logger = logging.getLogger(__name__)
class OnvifCommandEnum(str, Enum):
"""Holds all possible move commands"""
init = "init"
move_down = "move_down"
move_left = "move_left"
move_right = "move_right"
move_up = "move_up"
preset = "preset"
stop = "stop"
zoom_in = "zoom_in"
zoom_out = "zoom_out"
class OnvifController:
def __init__(
self, config: FrigateConfig, ptz_metrics: dict[str, PTZMetricsTypes]
) -> None:
self.cams: dict[str, ONVIFCamera] = {}
self.config = config
self.ptz_metrics = ptz_metrics
for cam_name, cam in config.cameras.items():
if not cam.enabled:
continue
if cam.onvif.host:
try:
self.cams[cam_name] = {
"onvif": ONVIFCamera(
cam.onvif.host,
cam.onvif.port,
cam.onvif.user,
cam.onvif.password,
wsdl_dir=site.getsitepackages()[0].replace(
"dist-packages", "site-packages"
)
+ "/wsdl",
),
"init": False,
"active": False,
"features": [],
"presets": {},
}
except ONVIFError as e:
logger.error(f"Onvif connection to {cam.name} failed: {e}")
def _init_onvif(self, camera_name: str) -> bool:
onvif: ONVIFCamera = self.cams[camera_name]["onvif"]
# create init services
media = onvif.create_media_service()
try:
profile = media.GetProfiles()[0]
except ONVIFError as e:
logger.error(f"Unable to connect to camera: {camera_name}: {e}")
return False
ptz = onvif.create_ptz_service()
request = ptz.create_type("GetConfigurations")
configs = ptz.GetConfigurations(request)[0]
request = ptz.create_type("GetConfigurationOptions")
request.ConfigurationToken = profile.PTZConfiguration.token
ptz_config = ptz.GetConfigurationOptions(request)
logger.debug(f"Onvif config for {camera_name}: {ptz_config}")
fov_space_id = next(
(
i
for i, space in enumerate(
ptz_config.Spaces.RelativePanTiltTranslationSpace
)
if "TranslationSpaceFov" in space["URI"]
),
None,
)
if self.config.cameras[camera_name].onvif.autotracking.zooming:
zoom_space_id = next(
(
i
for i, space in enumerate(
ptz_config.Spaces.RelativeZoomTranslationSpace
)
if "TranslationGenericSpace" in space["URI"]
),
None,
)
# setup continuous moving request
move_request = ptz.create_type("ContinuousMove")
move_request.ProfileToken = profile.token
self.cams[camera_name]["move_request"] = move_request
# setup relative moving request for autotracking
move_request = ptz.create_type("RelativeMove")
move_request.ProfileToken = profile.token
if move_request.Translation is None and fov_space_id is not None:
move_request.Translation = ptz.GetStatus(
{"ProfileToken": profile.token}
).Position
move_request.Translation.PanTilt.space = ptz_config["Spaces"][
"RelativePanTiltTranslationSpace"
][fov_space_id]["URI"]
try:
if self.config.cameras[camera_name].onvif.autotracking.zooming:
if zoom_space_id is not None:
move_request.Translation.Zoom.space = ptz_config["Spaces"][
"RelativeZoomTranslationSpace"
][0]["URI"]
except Exception:
# camera does not support relative zoom
self.config.cameras[camera_name].onvif.autotracking.zooming = False
logger.warning(
f"Disabling autotracking zooming for {camera_name}: Relative zoom not supported"
)
pass
if move_request.Speed is None:
move_request.Speed = ptz.GetStatus({"ProfileToken": profile.token}).Position
self.cams[camera_name]["relative_move_request"] = move_request
# setup absolute moving request for autotracking zooming
move_request = ptz.create_type("AbsoluteMove")
move_request.ProfileToken = profile.token
self.cams[camera_name]["absolute_move_request"] = move_request
# status request for autotracking
status_request = ptz.create_type("GetStatus")
status_request.ProfileToken = profile.token
self.cams[camera_name]["status_request"] = status_request
# setup existing presets
try:
presets: list[dict] = ptz.GetPresets({"ProfileToken": profile.token})
except ONVIFError as e:
logger.warning(f"Unable to get presets from camera: {camera_name}: {e}")
presets = []
for preset in presets:
self.cams[camera_name]["presets"][preset["Name"].lower()] = preset["token"]
# get list of supported features
ptz_config = ptz.GetConfigurationOptions(request)
supported_features = []
if ptz_config.Spaces and ptz_config.Spaces.ContinuousPanTiltVelocitySpace:
supported_features.append("pt")
if ptz_config.Spaces and ptz_config.Spaces.ContinuousZoomVelocitySpace:
supported_features.append("zoom")
if ptz_config.Spaces and ptz_config.Spaces.RelativePanTiltTranslationSpace:
supported_features.append("pt-r")
if ptz_config.Spaces and ptz_config.Spaces.RelativeZoomTranslationSpace:
supported_features.append("zoom-r")
if ptz_config.Spaces and ptz_config.Spaces.AbsoluteZoomPositionSpace:
supported_features.append("zoom-a")
self.cams[camera_name][
"absolute_zoom_range"
] = ptz_config.Spaces.AbsoluteZoomPositionSpace[0]
self.cams[camera_name]["zoom_limits"] = configs.ZoomLimits
if fov_space_id is not None:
supported_features.append("pt-r-fov")
self.cams[camera_name][
"relative_fov_range"
] = ptz_config.Spaces.RelativePanTiltTranslationSpace[fov_space_id]
self.cams[camera_name]["features"] = supported_features
self.cams[camera_name]["init"] = True
return True
def _stop(self, camera_name: str) -> None:
onvif: ONVIFCamera = self.cams[camera_name]["onvif"]
move_request = self.cams[camera_name]["move_request"]
onvif.get_service("ptz").Stop(
{
"ProfileToken": move_request.ProfileToken,
"PanTilt": True,
"Zoom": True,
}
)
self.cams[camera_name]["active"] = False
def _move(self, camera_name: str, command: OnvifCommandEnum) -> None:
if self.cams[camera_name]["active"]:
logger.warning(
f"{camera_name} is already performing an action, stopping..."
)
self._stop(camera_name)
self.cams[camera_name]["active"] = True
onvif: ONVIFCamera = self.cams[camera_name]["onvif"]
move_request = self.cams[camera_name]["move_request"]
if command == OnvifCommandEnum.move_left:
move_request.Velocity = {"PanTilt": {"x": -0.5, "y": 0}}
elif command == OnvifCommandEnum.move_right:
move_request.Velocity = {"PanTilt": {"x": 0.5, "y": 0}}
elif command == OnvifCommandEnum.move_up:
move_request.Velocity = {
"PanTilt": {
"x": 0,
"y": 0.5,
}
}
elif command == OnvifCommandEnum.move_down:
move_request.Velocity = {
"PanTilt": {
"x": 0,
"y": -0.5,
}
}
onvif.get_service("ptz").ContinuousMove(move_request)
def _move_relative(self, camera_name: str, pan, tilt, speed) -> None:
if "pt-r-fov" not in self.cams[camera_name]["features"]:
logger.error(f"{camera_name} does not support ONVIF RelativeMove (FOV).")
return
logger.debug(f"{camera_name} called RelativeMove: pan: {pan} tilt: {tilt}")
if self.cams[camera_name]["active"]:
logger.warning(
f"{camera_name} is already performing an action, not moving..."
)
return
self.cams[camera_name]["active"] = True
self.ptz_metrics[camera_name]["ptz_stopped"].clear()
logger.debug(f"PTZ start time: {datetime.datetime.now().timestamp()}")
self.ptz_metrics[camera_name][
"ptz_start_time"
].value = datetime.datetime.now().timestamp()
self.ptz_metrics[camera_name]["ptz_stop_time"].value = 0
onvif: ONVIFCamera = self.cams[camera_name]["onvif"]
move_request = self.cams[camera_name]["relative_move_request"]
# function takes in -1 to 1 for pan and tilt, interpolate to the values of the camera.
# The onvif spec says this can report as +INF and -INF, so this may need to be modified
pan = numpy.interp(
pan,
[-1, 1],
[
self.cams[camera_name]["relative_fov_range"]["XRange"]["Min"],
self.cams[camera_name]["relative_fov_range"]["XRange"]["Max"],
],
)
tilt = numpy.interp(
tilt,
[-1, 1],
[
self.cams[camera_name]["relative_fov_range"]["YRange"]["Min"],
self.cams[camera_name]["relative_fov_range"]["YRange"]["Max"],
],
)
move_request.Speed = {
"PanTilt": {
"x": speed,
"y": speed,
},
}
move_request.Translation.PanTilt.x = pan
move_request.Translation.PanTilt.y = tilt
if "zoom-r" in self.cams[camera_name]["features"]:
move_request.Translation.Zoom.x = 0
onvif.get_service("ptz").RelativeMove(move_request)
# reset after the move request
move_request.Translation.PanTilt.x = 0
move_request.Translation.PanTilt.y = 0
self.cams[camera_name]["active"] = False
def _move_to_preset(self, camera_name: str, preset: str) -> None:
if preset not in self.cams[camera_name]["presets"]:
logger.error(f"{preset} is not a valid preset for {camera_name}")
return
self.cams[camera_name]["active"] = True
self.ptz_metrics[camera_name]["ptz_stopped"].clear()
move_request = self.cams[camera_name]["move_request"]
onvif: ONVIFCamera = self.cams[camera_name]["onvif"]
preset_token = self.cams[camera_name]["presets"][preset]
onvif.get_service("ptz").GotoPreset(
{
"ProfileToken": move_request.ProfileToken,
"PresetToken": preset_token,
}
)
self.ptz_metrics[camera_name]["ptz_stopped"].set()
self.cams[camera_name]["active"] = False
def _zoom(self, camera_name: str, command: OnvifCommandEnum) -> None:
if self.cams[camera_name]["active"]:
logger.warning(
f"{camera_name} is already performing an action, stopping..."
)
self._stop(camera_name)
self.cams[camera_name]["active"] = True
onvif: ONVIFCamera = self.cams[camera_name]["onvif"]
move_request = self.cams[camera_name]["move_request"]
if command == OnvifCommandEnum.zoom_in:
move_request.Velocity = {"Zoom": {"x": 0.5}}
elif command == OnvifCommandEnum.zoom_out:
move_request.Velocity = {"Zoom": {"x": -0.5}}
onvif.get_service("ptz").ContinuousMove(move_request)
def _zoom_absolute(self, camera_name: str, zoom, speed) -> None:
if "zoom-a" not in self.cams[camera_name]["features"]:
logger.error(f"{camera_name} does not support ONVIF AbsoluteMove zooming.")
return
logger.debug(f"{camera_name} called AbsoluteMove: zoom: {zoom}")
if self.cams[camera_name]["active"]:
logger.warning(
f"{camera_name} is already performing an action, not moving..."
)
return
self.cams[camera_name]["active"] = True
self.ptz_metrics[camera_name]["ptz_stopped"].clear()
logger.debug(f"PTZ start time: {datetime.datetime.now().timestamp()}")
self.ptz_metrics[camera_name][
"ptz_start_time"
].value = datetime.datetime.now().timestamp()
self.ptz_metrics[camera_name]["ptz_stop_time"].value = 0
onvif: ONVIFCamera = self.cams[camera_name]["onvif"]
move_request = self.cams[camera_name]["absolute_move_request"]
# function takes in 0 to 1 for zoom, interpolate to the values of the camera.
zoom = numpy.interp(
zoom,
[0, 1],
[
self.cams[camera_name]["absolute_zoom_range"]["XRange"]["Min"],
self.cams[camera_name]["absolute_zoom_range"]["XRange"]["Max"],
],
)
move_request.Speed = {"Zoom": speed}
move_request.Position = {"Zoom": zoom}
logger.debug(f"Absolute zoom: {zoom}")
onvif.get_service("ptz").AbsoluteMove(move_request)
self.cams[camera_name]["active"] = False
def handle_command(
self, camera_name: str, command: OnvifCommandEnum, param: str = ""
) -> None:
if camera_name not in self.cams.keys():
logger.error(f"Onvif is not setup for {camera_name}")
return
if not self.cams[camera_name]["init"]:
if not self._init_onvif(camera_name):
return
if command == OnvifCommandEnum.init:
# already init
return
elif command == OnvifCommandEnum.stop:
self._stop(camera_name)
elif command == OnvifCommandEnum.preset:
self._move_to_preset(camera_name, param)
elif (
command == OnvifCommandEnum.zoom_in or command == OnvifCommandEnum.zoom_out
):
self._zoom(camera_name, command)
else:
self._move(camera_name, command)
def get_camera_info(self, camera_name: str) -> dict[str, any]:
if camera_name not in self.cams.keys():
logger.error(f"Onvif is not setup for {camera_name}")
return {}
if not self.cams[camera_name]["init"]:
self._init_onvif(camera_name)
return {
"name": camera_name,
"features": self.cams[camera_name]["features"],
"presets": list(self.cams[camera_name]["presets"].keys()),
}
def get_camera_status(self, camera_name: str) -> dict[str, any]:
if camera_name not in self.cams.keys():
logger.error(f"Onvif is not setup for {camera_name}")
return {}
if not self.cams[camera_name]["init"]:
self._init_onvif(camera_name)
onvif: ONVIFCamera = self.cams[camera_name]["onvif"]
status_request = self.cams[camera_name]["status_request"]
status = onvif.get_service("ptz").GetStatus(status_request)
# zooming is optional
pan_tilt_status = getattr(status.MoveStatus, "PanTilt", None)
zoom_status = getattr(status.MoveStatus, "Zoom", None)
if pan_tilt_status == "IDLE" and (zoom_status is None or zoom_status == "IDLE"):
self.cams[camera_name]["active"] = False
if not self.ptz_metrics[camera_name]["ptz_stopped"].is_set():
self.ptz_metrics[camera_name]["ptz_stopped"].set()
logger.debug(f"PTZ stop time: {datetime.datetime.now().timestamp()}")
self.ptz_metrics[camera_name][
"ptz_stop_time"
].value = datetime.datetime.now().timestamp()
else:
self.cams[camera_name]["active"] = True
if self.ptz_metrics[camera_name]["ptz_stopped"].is_set():
self.ptz_metrics[camera_name]["ptz_stopped"].clear()
logger.debug(f"PTZ start time: {datetime.datetime.now().timestamp()}")
self.ptz_metrics[camera_name][
"ptz_start_time"
].value = datetime.datetime.now().timestamp()
self.ptz_metrics[camera_name]["ptz_stop_time"].value = 0
if self.config.cameras[camera_name].onvif.autotracking.zooming:
# interpolate the actual zoom level reported by the camera into the relative zoom range
self.ptz_metrics[camera_name][
"ptz_zoom_level"
].value = status.Position.Zoom.x
logger.debug(f"Camera zoom level: {status.Position.Zoom.x}")
return {
"pan": status.Position.PanTilt.x,
"tilt": status.Position.PanTilt.y,
"zoom": status.Position.Zoom.x
if self.config.cameras[camera_name].onvif.autotracking.zooming
else 0,
"pantilt_moving": status.MoveStatus.PanTilt,
"zoom_moving": status.MoveStatus.Zoom
if self.config.cameras[camera_name].onvif.autotracking.zooming
else "IDLE",
}