Address review comments

- Accept `ratio` default
- Rename `bounds` to `box` for consistency
- Add migration for new field

Issue: #2948

frigate/config.py

@@ -215,7 +215,7 @@ class FilterConfig(FrigateBaseModel):
         title="Minimum ratio of bounding box's width/height for object to be counted.",
     )
     max_ratio: float = Field(
-        default=24000000,  # @todo: Is there a way to make this `math.inf` but still load from YAML?
+        default=24000000,
         title="Maximum ratio of bounding box's width/height for object to be counted.",
     )
     threshold: float = Field(

frigate/video.py

@@ -39,7 +39,7 @@ logger = logging.getLogger(__name__)
 def filtered(obj, objects_to_track, object_filters):
     object_name = obj[0]
     object_score = obj[1]
-    object_bounds = obj[2]
+    object_box = obj[2]
     object_area = obj[3]
 
     if not object_name in objects_to_track:
@@ -65,9 +65,9 @@ def filtered(obj, objects_to_track, object_filters):
         if not obj_settings.mask is None:
             # compute the coordinates of the object and make sure
             # the location isn't outside the bounds of the image (can happen from rounding)
-            object_xmin = object_bounds[0]
-            object_xmax = object_bounds[2]
-            object_ymax = object_bounds[3]
+            object_xmin = object_box[0]
+            object_xmax = object_box[2]
+            object_ymax = object_box[3]
             y_location = min(int(object_ymax), len(obj_settings.mask) - 1)
             x_location = min(
                 int((object_xmax + object_xmin) / 2.0),
@@ -626,13 +626,13 @@ def process_frames(
                 for group in detected_object_groups.values():
 
                     # apply non-maxima suppression to suppress weak, overlapping bounding boxes
-                    bounds = o[2]  # xmin, ymin, xmax, ymax
+                    box = o[2]  # xmin, ymin, xmax, ymax
                     boxes = [
                         (
-                            bounds[0],
-                            bounds[1],
-                            bounds[2] - bounds[0],
-                            bounds[3] - bounds[1],
+                            box[0],
+                            box[1],
+                            box[2] - box[0],
+                            box[3] - box[1],
                         )
                         for o in group
                     ]

migrations/007_add_object_filter_ratio.py

@@ -0,0 +1,38 @@
+"""Peewee migrations -- 007_add_object_filter_ratio.py.
+
+Some examples (model - class or model name)::
+
+    > Model = migrator.orm['model_name']            # Return model in current state by name
+
+    > migrator.sql(sql)                             # Run custom SQL
+    > migrator.python(func, *args, **kwargs)        # Run python code
+    > migrator.create_model(Model)                  # Create a model (could be used as decorator)
+    > migrator.remove_model(model, cascade=True)    # Remove a model
+    > migrator.add_fields(model, **fields)          # Add fields to a model
+    > migrator.change_fields(model, **fields)       # Change fields
+    > migrator.remove_fields(model, *field_names, cascade=True)
+    > migrator.rename_field(model, old_field_name, new_field_name)
+    > migrator.rename_table(model, new_table_name)
+    > migrator.add_index(model, *col_names, unique=False)
+    > migrator.drop_index(model, *col_names)
+    > migrator.add_not_null(model, *field_names)
+    > migrator.drop_not_null(model, *field_names)
+    > migrator.add_default(model, field_name, default)
+
+"""
+
+import peewee as pw
+from frigate.models import Event
+
+SQL = pw.SQL
+
+
+def migrate(migrator, database, fake=False, **kwargs):
+    migrator.add_fields(
+        Event,
+        ratio=pw.FloatField(),
+    )
+
+
+def rollback(migrator, database, fake=False, **kwargs):
+    migrator.remove_fields(Event, ["ratio"])