"""Configure and control camera via onvif.""" import logging import site from enum import Enum import numpy from onvif import ONVIFCamera, ONVIFError from frigate.config import FrigateConfig, ZoomingModeEnum from frigate.types import PTZMetricsTypes from frigate.util.builtin import find_by_key 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}") service_capabilities_request = ptz.create_type("GetServiceCapabilities") self.cams[camera_name][ "service_capabilities_request" ] = service_capabilities_request fov_space_id = next( ( i for i, space in enumerate( ptz_config.Spaces.RelativePanTiltTranslationSpace ) if "TranslationSpaceFov" in space["URI"] ), None, ) # autoracking relative panning/tilting needs a relative zoom value set to 0 # if camera supports relative movement 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 setting relative zoom translation space try: if ( self.config.cameras[camera_name].onvif.autotracking.zooming == ZoomingModeEnum.relative ): if zoom_space_id is not None: move_request.Translation.Zoom.space = ptz_config["Spaces"][ "RelativeZoomTranslationSpace" ][0]["URI"] except Exception: if ( self.config.cameras[camera_name].onvif.autotracking.zooming == ZoomingModeEnum.relative ): self.config.cameras[ camera_name ].onvif.autotracking.zooming = ZoomingModeEnum.disabled logger.warning( f"Disabling autotracking zooming for {camera_name}: Relative zoom not supported" ) 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 status = ptz.GetStatus(status_request) logger.debug(f"Onvif status config for {camera_name}: {status}") # 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"][ getattr(preset, "Name", f"preset {preset['token']}").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") try: # get camera's zoom limits from onvif config self.cams[camera_name][ "absolute_zoom_range" ] = ptz_config.Spaces.AbsoluteZoomPositionSpace[0] self.cams[camera_name]["zoom_limits"] = configs.ZoomLimits except Exception: if self.config.cameras[camera_name].onvif.autotracking.zooming: self.config.cameras[camera_name].onvif.autotracking.zooming = False logger.warning( f"Disabling autotracking zooming for {camera_name}: Absolute zoom not supported" ) # set relative pan/tilt space for autotracker 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, zoom, 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: {self.ptz_metrics[camera_name]['ptz_frame_time'].value}" ) self.ptz_metrics[camera_name]["ptz_start_time"].value = self.ptz_metrics[ camera_name ]["ptz_frame_time"].value 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.Speed = { "PanTilt": { "x": speed, "y": speed, }, "Zoom": {"x": speed}, } move_request.Translation.Zoom.x = zoom onvif.get_service("ptz").RelativeMove(move_request) # reset after the move request move_request.Translation.PanTilt.x = 0 move_request.Translation.PanTilt.y = 0 if "zoom-r" in self.cams[camera_name]["features"]: move_request.Translation.Zoom.x = 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: {self.ptz_metrics[camera_name]['ptz_frame_time'].value}" ) self.ptz_metrics[camera_name]["ptz_start_time"].value = self.ptz_metrics[ camera_name ]["ptz_frame_time"].value 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_service_capabilities(self, camera_name: 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"]: self._init_onvif(camera_name) onvif: ONVIFCamera = self.cams[camera_name]["onvif"] service_capabilities_request = self.cams[camera_name][ "service_capabilities_request" ] service_capabilities = onvif.get_service("ptz").GetServiceCapabilities( service_capabilities_request ) logger.debug( f"Onvif service capabilities for {camera_name}: {service_capabilities}" ) # MoveStatus is required for autotracking - should return "true" if supported return find_by_key(vars(service_capabilities), "MoveStatus") def get_camera_status(self, camera_name: 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"]: 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) # there doesn't seem to be an onvif standard with this optional parameter # some cameras can report MoveStatus with or without PanTilt or Zoom attributes pan_tilt_status = getattr(status.MoveStatus, "PanTilt", None) zoom_status = getattr(status.MoveStatus, "Zoom", None) # if it's not an attribute, see if MoveStatus even exists in the status result if pan_tilt_status is None: pan_tilt_status = getattr(status, "MoveStatus", None) # we're unsupported if pan_tilt_status is None or pan_tilt_status.lower() not in [ "idle", "moving", ]: logger.error( f"Camera {camera_name} does not support the ONVIF GetStatus method. Autotracking will not function correctly and must be disabled in your config." ) return if pan_tilt_status.lower() == "idle" and ( zoom_status is None or zoom_status.lower() == "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: {self.ptz_metrics[camera_name]['ptz_frame_time'].value}" ) self.ptz_metrics[camera_name]["ptz_stop_time"].value = self.ptz_metrics[ camera_name ]["ptz_frame_time"].value 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: {self.ptz_metrics[camera_name]['ptz_frame_time'].value}" ) self.ptz_metrics[camera_name][ "ptz_start_time" ].value = self.ptz_metrics[camera_name]["ptz_frame_time"].value self.ptz_metrics[camera_name]["ptz_stop_time"].value = 0 if ( self.config.cameras[camera_name].onvif.autotracking.zooming == ZoomingModeEnum.absolute ): # store absolute zoom level as 0 to 1 interpolated from the values of the camera self.ptz_metrics[camera_name]["ptz_zoom_level"].value = numpy.interp( round(status.Position.Zoom.x, 2), [0, 1], [ self.cams[camera_name]["absolute_zoom_range"]["XRange"]["Min"], self.cams[camera_name]["absolute_zoom_range"]["XRange"]["Max"], ], ) logger.debug( f'Camera zoom level: {self.ptz_metrics[camera_name]["ptz_zoom_level"].value}' )