Allow birdseye to be overridden at the camera level (#3083)

* Add camera level processing for birdseye

* Add camera level birdseye configruation

* Propogate birdseye from global

* Update docs to show that birdseye is overridable

* Fix incorrect default factory

* Update note to indicate values that can be overridden

* Cleanup config accessing

* Add tests for birdseye config behavior

* Fix mistake on test format

* Update tests

frigate/config.py

@@ -324,6 +324,13 @@ class BirdseyeConfig(FrigateBaseModel):
     )
 
 
+class BirdseyeCameraConfig(FrigateBaseModel):
+    enabled: bool = Field(default=True, title="Enable birdseye view for camera.")
+    mode: BirdseyeModeEnum = Field(
+        default=BirdseyeModeEnum.objects, title="Tracking mode for camera."
+    )
+
+
 FFMPEG_GLOBAL_ARGS_DEFAULT = ["-hide_banner", "-loglevel", "warning"]
 FFMPEG_INPUT_ARGS_DEFAULT = [
     "-avoid_negative_ts",
@@ -539,6 +546,9 @@ class CameraConfig(FrigateBaseModel):
     detect: DetectConfig = Field(
         default_factory=DetectConfig, title="Object detection configuration."
     )
+    birdseye: BirdseyeCameraConfig = Field(
+        default_factory=BirdseyeCameraConfig, title="Birdseye camera configuration."
+    )
     timestamp_style: TimestampStyleConfig = Field(
         default_factory=TimestampStyleConfig, title="Timestamp style configuration."
     )
@@ -775,6 +785,7 @@ class FrigateConfig(FrigateBaseModel):
         # Global config to propegate down to camera level
         global_config = config.dict(
             include={
+                "birdseye": ...,
                 "record": ...,
                 "snapshots": ...,
                 "live": ...,