add individual detectors to schema

add detector titles and descriptions (docstrings in pydantic are used for descriptions) and add i18n keys to globals

frigate/api/app.py

@@ -54,6 +54,7 @@ from frigate.util.builtin import (
     update_yaml_file_bulk,
 )
 from frigate.util.config import find_config_file
+from frigate.util.schema import get_config_schema
 from frigate.util.services import (
     get_nvidia_driver_info,
     process_logs,
@@ -78,9 +79,7 @@ def is_healthy():
 
 @router.get("/config/schema.json", dependencies=[Depends(allow_public())])
 def config_schema(request: Request):
-    return Response(
+    return JSONResponse(content=get_config_schema(FrigateConfig))
-        content=request.app.frigate_config.schema_json(), media_type="application/json"
-    )
 
 
 @router.get(

frigate/detectors/plugins/cpu_tfl.py

@@ -1,6 +1,6 @@
 import logging
 
-from pydantic import Field
+from pydantic import ConfigDict, Field
 from typing_extensions import Literal
 
 from frigate.detectors.detection_api import DetectionApi
@@ -21,8 +21,18 @@ DETECTOR_KEY = "cpu"
 
 
 class CpuDetectorConfig(BaseDetectorConfig):
+    """CPU TFLite detector that runs TensorFlow Lite models on the host CPU without hardware acceleration. Not recommended."""
+
+    model_config = ConfigDict(
+        title="CPU",
+    )
+
     type: Literal[DETECTOR_KEY]
-    num_threads: int = Field(default=3, title="Number of detection threads")
+    num_threads: int = Field(
+        default=3,
+        title="Number of detection threads",
+        description="The number of threads used for CPU-based inference.",
+    )
 
 
 class CpuTfl(DetectionApi):

frigate/detectors/plugins/deepstack.py

@@ -4,7 +4,7 @@ import logging
 import numpy as np
 import requests
 from PIL import Image
-from pydantic import Field
+from pydantic import ConfigDict, Field
 from typing_extensions import Literal
 
 from frigate.detectors.detection_api import DetectionApi
@@ -16,12 +16,28 @@ DETECTOR_KEY = "deepstack"
 
 
 class DeepstackDetectorConfig(BaseDetectorConfig):
+    """DeepStack/CodeProject.AI detector that sends images to a remote DeepStack HTTP API for inference. Not recommended."""
+
+    model_config = ConfigDict(
+        title="DeepStack",
+    )
+
     type: Literal[DETECTOR_KEY]
     api_url: str = Field(
-        default="http://localhost:80/v1/vision/detection", title="DeepStack API URL"
+        default="http://localhost:80/v1/vision/detection",
+        title="DeepStack API URL",
+        description="The URL of the DeepStack API.",
+    )
+    api_timeout: float = Field(
+        default=0.1,
+        title="DeepStack API timeout (in seconds)",
+        description="Maximum time allowed for a DeepStack API request.",
+    )
+    api_key: str = Field(
+        default="",
+        title="DeepStack API key (if required)",
+        description="Optional API key for authenticated DeepStack services.",
     )
-    api_timeout: float = Field(default=0.1, title="DeepStack API timeout (in seconds)")
-    api_key: str = Field(default="", title="DeepStack API key (if required)")
 
 
 class DeepStack(DetectionApi):

frigate/detectors/plugins/degirum.py

@@ -2,7 +2,7 @@ import logging
 import queue
 
 import numpy as np
-from pydantic import Field
+from pydantic import ConfigDict, Field
 from typing_extensions import Literal
 
 from frigate.detectors.detection_api import DetectionApi
@@ -14,10 +14,28 @@ DETECTOR_KEY = "degirum"
 
 ### DETECTOR CONFIG ###
 class DGDetectorConfig(BaseDetectorConfig):
+    """DeGirum detector for running models via DeGirum cloud or local inference services."""
+
+    model_config = ConfigDict(
+        title="DeGirum",
+    )
+
     type: Literal[DETECTOR_KEY]
-    location: str = Field(default=None, title="Inference Location")
+    location: str = Field(
-    zoo: str = Field(default=None, title="Model Zoo")
+        default=None,
-    token: str = Field(default=None, title="DeGirum Cloud Token")
+        title="Inference Location",
+        description="Location of the DeGirim inference engine (e.g. '@cloud', '127.0.0.1').",
+    )
+    zoo: str = Field(
+        default=None,
+        title="Model Zoo",
+        description="Path or URL to the DeGirum model zoo.",
+    )
+    token: str = Field(
+        default=None,
+        title="DeGirum Cloud Token",
+        description="Token for DeGirum Cloud access.",
+    )
 
 
 ### ACTUAL DETECTOR  ###

frigate/detectors/plugins/edgetpu_tfl.py

@@ -4,7 +4,7 @@ import os
 
 import cv2
 import numpy as np
-from pydantic import Field
+from pydantic import ConfigDict, Field
 from typing_extensions import Literal
 
 from frigate.detectors.detection_api import DetectionApi
@@ -21,8 +21,18 @@ DETECTOR_KEY = "edgetpu"
 
 
 class EdgeTpuDetectorConfig(BaseDetectorConfig):
+    """EdgeTPU detector that runs TensorFlow Lite models compiled for Coral EdgeTPU using the EdgeTPU delegate."""
+
+    model_config = ConfigDict(
+        title="EdgeTPU",
+    )
+
     type: Literal[DETECTOR_KEY]
-    device: str = Field(default=None, title="Device Type")
+    device: str = Field(
+        default=None,
+        title="Device Type",
+        description="The device to use for EdgeTPU inference (e.g. 'usb', 'pci').",
+    )
 
 
 class EdgeTpuTfl(DetectionApi):

frigate/detectors/plugins/hailo8l.py

@@ -8,7 +8,7 @@ from typing import Dict, List, Optional, Tuple
 
 import cv2
 import numpy as np
-from pydantic import Field
+from pydantic import ConfigDict, Field
 from typing_extensions import Literal
 
 from frigate.const import MODEL_CACHE_DIR
@@ -410,5 +410,15 @@ class HailoDetector(DetectionApi):
 
 # ----------------- HailoDetectorConfig Class ----------------- #
 class HailoDetectorConfig(BaseDetectorConfig):
+    """Hailo-8/Hailo-8L detector using HEF models and the HailoRT SDK for inference on Hailo hardware."""
+
+    model_config = ConfigDict(
+        title="Hailo-8/Hailo-8L",
+    )
+
     type: Literal[DETECTOR_KEY]
-    device: str = Field(default="PCIe", title="Device Type")
+    device: str = Field(
+        default="PCIe",
+        title="Device Type",
+        description="The device to use for Hailo inference (e.g. 'PCIe', 'M.2').",
+    )

frigate/detectors/plugins/memryx.py

@@ -8,7 +8,7 @@ from queue import Queue
 
 import cv2
 import numpy as np
-from pydantic import BaseModel, Field
+from pydantic import BaseModel, ConfigDict, Field
 from typing_extensions import Literal
 
 from frigate.detectors.detection_api import DetectionApi
@@ -30,8 +30,18 @@ class ModelConfig(BaseModel):
 
 
 class MemryXDetectorConfig(BaseDetectorConfig):
+    """MemryX MX3 detector that runs compiled DFP models on MemryX accelerators."""
+
+    model_config = ConfigDict(
+        title="MemryX",
+    )
+
     type: Literal[DETECTOR_KEY]
-    device: str = Field(default="PCIe", title="Device Path")
+    device: str = Field(
+        default="PCIe",
+        title="Device Path",
+        description="The device to use for MemryX inference (e.g. 'PCIe').",
+    )
 
 
 class MemryXDetector(DetectionApi):

frigate/detectors/plugins/onnx.py

@@ -1,7 +1,7 @@
 import logging
 
 import numpy as np
-from pydantic import Field
+from pydantic import ConfigDict, Field
 from typing_extensions import Literal
 
 from frigate.detectors.detection_api import DetectionApi
@@ -23,8 +23,18 @@ DETECTOR_KEY = "onnx"
 
 
 class ONNXDetectorConfig(BaseDetectorConfig):
+    """ONNX detector for running ONNX models; will use available acceleration backends (CUDA/ROCm/OpenVINO) when available."""
+
+    model_config = ConfigDict(
+        title="ONNX",
+    )
+
     type: Literal[DETECTOR_KEY]
-    device: str = Field(default="AUTO", title="Device Type")
+    device: str = Field(
+        default="AUTO",
+        title="Device Type",
+        description="The device to use for ONNX inference (e.g. 'AUTO', 'CPU', 'GPU').",
+    )
 
 
 class ONNXDetector(DetectionApi):

frigate/detectors/plugins/openvino.py

@@ -2,7 +2,7 @@ import logging
 
 import numpy as np
 import openvino as ov
-from pydantic import Field
+from pydantic import ConfigDict, Field
 from typing_extensions import Literal
 
 from frigate.detectors.detection_api import DetectionApi
@@ -20,8 +20,18 @@ DETECTOR_KEY = "openvino"
 
 
 class OvDetectorConfig(BaseDetectorConfig):
+    """OpenVINO detector for AMD and Intel CPUs, Intel GPUs and Intel VPU hardware."""
+
+    model_config = ConfigDict(
+        title="OpenVINO",
+    )
+
     type: Literal[DETECTOR_KEY]
-    device: str = Field(default=None, title="Device Type")
+    device: str = Field(
+        default=None,
+        title="Device Type",
+        description="The device to use for OpenVINO inference (e.g. 'CPU', 'GPU', 'NPU').",
+    )
 
 
 class OvDetector(DetectionApi):

frigate/detectors/plugins/rknn.py

@@ -6,7 +6,7 @@ from typing import Literal
 
 import cv2
 import numpy as np
-from pydantic import Field
+from pydantic import ConfigDict, Field
 
 from frigate.const import MODEL_CACHE_DIR, SUPPORTED_RK_SOCS
 from frigate.detectors.detection_api import DetectionApi
@@ -29,8 +29,20 @@ model_cache_dir = os.path.join(MODEL_CACHE_DIR, "rknn_cache/")
 
 
 class RknnDetectorConfig(BaseDetectorConfig):
+    """RKNN detector for Rockchip NPUs; runs compiled RKNN models on Rockchip hardware."""
+
+    model_config = ConfigDict(
+        title="RKNN",
+    )
+
     type: Literal[DETECTOR_KEY]
-    num_cores: int = Field(default=0, ge=0, le=3, title="Number of NPU cores to use.")
+    num_cores: int = Field(
+        default=0,
+        ge=0,
+        le=3,
+        title="Number of NPU cores to use.",
+        description="The number of NPU cores to use (0 for auto).",
+    )
 
 
 class Rknn(DetectionApi):

frigate/detectors/plugins/synaptics.py

@@ -2,6 +2,7 @@ import logging
 import os
 
 import numpy as np
+from pydantic import ConfigDict
 from typing_extensions import Literal
 
 from frigate.detectors.detection_api import DetectionApi
@@ -27,6 +28,12 @@ DETECTOR_KEY = "synaptics"
 
 
 class SynapDetectorConfig(BaseDetectorConfig):
+    """Synaptics NPU detector for models in .synap format using the Synap SDK on Synaptics hardware."""
+
+    model_config = ConfigDict(
+        title="Synaptics",
+    )
+
     type: Literal[DETECTOR_KEY]
 
 

frigate/detectors/plugins/teflon_tfl.py

@@ -1,5 +1,6 @@
 import logging
 
+from pydantic import ConfigDict
 from typing_extensions import Literal
 
 from frigate.detectors.detection_api import DetectionApi
@@ -18,6 +19,12 @@ DETECTOR_KEY = "teflon_tfl"
 
 
 class TeflonDetectorConfig(BaseDetectorConfig):
+    """Teflon delegate detector for TFLite using Mesa Teflon delegate library to accelerate inference on supported GPUs."""
+
+    model_config = ConfigDict(
+        title="Teflon",
+    )
+
     type: Literal[DETECTOR_KEY]
 
 

frigate/detectors/plugins/tensorrt.py

@@ -14,7 +14,7 @@ try:
 except ModuleNotFoundError:
     TRT_SUPPORT = False
 
-from pydantic import Field
+from pydantic import ConfigDict, Field
 from typing_extensions import Literal
 
 from frigate.detectors.detection_api import DetectionApi
@@ -46,8 +46,16 @@ if TRT_SUPPORT:
 
 
 class TensorRTDetectorConfig(BaseDetectorConfig):
+    """TensorRT detector for Nvidia Jetson devices using serialized TensorRT engines for accelerated inference."""
+
+    model_config = ConfigDict(
+        title="TensorRT",
+    )
+
     type: Literal[DETECTOR_KEY]
-    device: int = Field(default=0, title="GPU Device Index")
+    device: int = Field(
+        default=0, title="GPU Device Index", description="The GPU device index to use."
+    )
 
 
 class HostDeviceMem(object):

frigate/detectors/plugins/zmq_ipc.py

@@ -5,7 +5,7 @@ from typing import Any, List
 
 import numpy as np
 import zmq
-from pydantic import Field
+from pydantic import ConfigDict, Field
 from typing_extensions import Literal
 
 from frigate.detectors.detection_api import DetectionApi
@@ -17,14 +17,28 @@ DETECTOR_KEY = "zmq"
 
 
 class ZmqDetectorConfig(BaseDetectorConfig):
+    """ZMQ IPC detector that offloads inference to an external process via a ZeroMQ IPC endpoint."""
+
+    model_config = ConfigDict(
+        title="ZMQ IPC",
+    )
+
     type: Literal[DETECTOR_KEY]
     endpoint: str = Field(
-        default="ipc:///tmp/cache/zmq_detector", title="ZMQ IPC endpoint"
+        default="ipc:///tmp/cache/zmq_detector",
+        title="ZMQ IPC endpoint",
+        description="The ZMQ endpoint to connect to.",
     )
     request_timeout_ms: int = Field(
-        default=200, title="ZMQ request timeout in milliseconds"
+        default=200,
+        title="ZMQ request timeout in milliseconds",
+        description="Timeout for ZMQ requests in milliseconds.",
+    )
+    linger_ms: int = Field(
+        default=0,
+        title="ZMQ socket linger in milliseconds",
+        description="Socket linger period in milliseconds.",
     )
-    linger_ms: int = Field(default=0, title="ZMQ socket linger in milliseconds")
 
 
 class ZmqIpcDetector(DetectionApi):

frigate/util/schema.py

@@ -0,0 +1,46 @@
+"""JSON schema utilities for Frigate."""
+
+from typing import Any, Dict, Type
+
+from pydantic import BaseModel, TypeAdapter
+
+
+def get_config_schema(config_class: Type[BaseModel]) -> Dict[str, Any]:
+    """
+    Returns the JSON schema for FrigateConfig with polymorphic detectors.
+
+    This utility patches the FrigateConfig schema to include the full polymorphic
+    definitions for detectors. By default, Pydantic's schema for Dict[str, BaseDetectorConfig]
+    only includes the base class fields. This function replaces it with a reference
+    to the DetectorConfig union, which includes all available detector subclasses.
+    """
+    # Import here to ensure all detector plugins are loaded through the detectors module
+    from frigate.detectors import DetectorConfig
+
+    # Get the base schema for FrigateConfig
+    schema = config_class.model_json_schema()
+
+    # Get the schema for the polymorphic DetectorConfig union
+    detector_adapter: TypeAdapter = TypeAdapter(DetectorConfig)
+    detector_schema = detector_adapter.json_schema()
+
+    # Ensure $defs exists in FrigateConfig schema
+    if "$defs" not in schema:
+        schema["$defs"] = {}
+
+    # Merge $defs from DetectorConfig into FrigateConfig schema
+    # This includes the specific schemas for each detector plugin (OvDetectorConfig, etc.)
+    if "$defs" in detector_schema:
+        schema["$defs"].update(detector_schema["$defs"])
+
+    # Extract the union schema (oneOf/discriminator) and add it as a definition
+    detector_union_schema = {k: v for k, v in detector_schema.items() if k != "$defs"}
+    schema["$defs"]["DetectorConfig"] = detector_union_schema
+
+    # Update the 'detectors' property to use the polymorphic DetectorConfig definition
+    if "detectors" in schema.get("properties", {}):
+        schema["properties"]["detectors"]["additionalProperties"] = {
+            "$ref": "#/$defs/DetectorConfig"
+        }
+
+    return schema

generate_config_translations.py

@@ -13,6 +13,7 @@ from pathlib import Path
 from typing import Any, Dict, get_args, get_origin
 
 from frigate.config.config import FrigateConfig
+from frigate.util.schema import get_config_schema
 
 logging.basicConfig(level=logging.INFO)
 logger = logging.getLogger(__name__)
@@ -187,6 +188,49 @@ def generate_section_translation(config_class: type) -> Dict[str, Any]:
     return extract_translations_from_schema(schema)
 
 
+def get_detector_translations(
+    config_schema: Dict[str, Any],
+) -> tuple[Dict[str, Any], Dict[str, Any]]:
+    """Build detector field and type translations based on schema definitions."""
+    defs = config_schema.get("$defs", {})
+    detector_schema = defs.get("DetectorConfig", {})
+    discriminator = detector_schema.get("discriminator", {})
+    mapping = discriminator.get("mapping", {})
+
+    type_translations: Dict[str, Any] = {}
+    field_translations: Dict[str, Any] = {}
+    for detector_type, ref in mapping.items():
+        if not isinstance(ref, str):
+            continue
+
+        if not ref.startswith("#/$defs/"):
+            continue
+
+        ref_name = ref.split("/")[-1]
+        ref_schema = defs.get(ref_name, {})
+        if not ref_schema:
+            continue
+
+        type_entry: Dict[str, str] = {}
+        title = ref_schema.get("title")
+        description = ref_schema.get("description")
+        if title:
+            type_entry["label"] = title
+        if description:
+            type_entry["description"] = description
+
+        if type_entry:
+            type_translations[detector_type] = type_entry
+
+        nested = extract_translations_from_schema(ref_schema, defs=defs)
+        nested_without_root = {
+            k: v for k, v in nested.items() if k not in ("label", "description")
+        }
+        field_translations.update(nested_without_root)
+
+    return field_translations, type_translations
+
+
 def main():
     """Main function to generate config translations."""
 
@@ -207,6 +251,7 @@ def main():
     )
 
     config_fields = FrigateConfig.model_fields
+    config_schema = get_config_schema(FrigateConfig)
     logger.info(f"Found {len(config_fields)} top-level config sections")
 
     global_translations = {}
@@ -255,6 +300,11 @@ def main():
             }
             section_data.update(nested_without_root)
 
+        if field_name == "detectors":
+            detector_fields, detector_types = get_detector_translations(config_schema)
+            section_data.update(detector_fields)
+            section_data.update(detector_types)
+
         if not section_data:
             logger.warning(f"No translations found for section: {field_name}")
             continue

web/public/locales/en/config/global.json

@@ -287,8 +287,7 @@
     "label": "Detector hardware",
     "description": "Configuration for object detectors (CPU, GPU, ONNX backends) and any detector-specific model settings.",
     "type": {
-      "label": "Detector Type",
+      "label": "Type"
-      "description": "Type of detector to use for object detection (for example 'cpu', 'edgetpu', 'openvino')."
     },
     "model": {
       "label": "Detector specific model configuration",
@@ -337,6 +336,106 @@
     "model_path": {
       "label": "Detector specific model path",
       "description": "File path to the detector model binary if required by the chosen detector."
+    },
+    "num_threads": {
+      "label": "Number of detection threads",
+      "description": "The number of threads used for CPU-based inference."
+    },
+    "api_url": {
+      "label": "DeepStack API URL",
+      "description": "The URL of the DeepStack API."
+    },
+    "api_timeout": {
+      "label": "DeepStack API timeout (in seconds)",
+      "description": "Maximum time allowed for a DeepStack API request."
+    },
+    "api_key": {
+      "label": "DeepStack API key (if required)",
+      "description": "Optional API key for authenticated DeepStack services."
+    },
+    "location": {
+      "label": "Inference Location",
+      "description": "Location of the DeGirim inference engine (e.g. '@cloud', '127.0.0.1')."
+    },
+    "zoo": {
+      "label": "Model Zoo",
+      "description": "Path or URL to the DeGirum model zoo."
+    },
+    "token": {
+      "label": "DeGirum Cloud Token",
+      "description": "Token for DeGirum Cloud access."
+    },
+    "device": {
+      "label": "GPU Device Index",
+      "description": "The GPU device index to use."
+    },
+    "num_cores": {
+      "label": "Number of NPU cores to use.",
+      "description": "The number of NPU cores to use (0 for auto)."
+    },
+    "endpoint": {
+      "label": "ZMQ IPC endpoint",
+      "description": "The ZMQ endpoint to connect to."
+    },
+    "request_timeout_ms": {
+      "label": "ZMQ request timeout in milliseconds",
+      "description": "Timeout for ZMQ requests in milliseconds."
+    },
+    "linger_ms": {
+      "label": "ZMQ socket linger in milliseconds",
+      "description": "Socket linger period in milliseconds."
+    },
+    "cpu": {
+      "label": "CPU",
+      "description": "CPU TFLite detector that runs TensorFlow Lite models on the host CPU without hardware acceleration. Not recommended."
+    },
+    "deepstack": {
+      "label": "DeepStack",
+      "description": "DeepStack/CodeProject.AI detector that sends images to a remote DeepStack HTTP API for inference. Not recommended."
+    },
+    "degirum": {
+      "label": "DeGirum",
+      "description": "DeGirum detector for running models via DeGirum cloud or local inference services."
+    },
+    "edgetpu": {
+      "label": "EdgeTPU",
+      "description": "EdgeTPU detector that runs TensorFlow Lite models compiled for Coral EdgeTPU using the EdgeTPU delegate."
+    },
+    "hailo8l": {
+      "label": "Hailo-8/Hailo-8L",
+      "description": "Hailo-8/Hailo-8L detector using HEF models and the HailoRT SDK for inference on Hailo hardware."
+    },
+    "memryx": {
+      "label": "MemryX",
+      "description": "MemryX MX3 detector that runs compiled DFP models on MemryX accelerators."
+    },
+    "onnx": {
+      "label": "ONNX",
+      "description": "ONNX detector for running ONNX models; will use available acceleration backends (CUDA/ROCm/OpenVINO) when available."
+    },
+    "openvino": {
+      "label": "OpenVINO",
+      "description": "OpenVINO detector for AMD and Intel CPUs, Intel GPUs and Intel VPU hardware."
+    },
+    "rknn": {
+      "label": "RKNN",
+      "description": "RKNN detector for Rockchip NPUs; runs compiled RKNN models on Rockchip hardware."
+    },
+    "synaptics": {
+      "label": "Synaptics",
+      "description": "Synaptics NPU detector for models in .synap format using the Synap SDK on Synaptics hardware."
+    },
+    "teflon_tfl": {
+      "label": "Teflon",
+      "description": "Teflon delegate detector for TFLite using Mesa Teflon delegate library to accelerate inference on supported GPUs."
+    },
+    "tensorrt": {
+      "label": "TensorRT",
+      "description": "TensorRT detector for Nvidia Jetson devices using serialized TensorRT engines for accelerated inference."
+    },
+    "zmq": {
+      "label": "ZMQ IPC",
+      "description": "ZMQ IPC detector that offloads inference to an external process via a ZeroMQ IPC endpoint."
     }
   },
   "model": {