add some debug logging to frame cache

docker/Dockerfile.base

@@ -20,7 +20,7 @@ RUN apt-get -qq update \
  python3-pip \
  && pip3 install -U /wheels/*.whl \
  && APT_KEY_DONT_WARN_ON_DANGEROUS_USAGE=DontWarn apt-key adv --fetch-keys https://packages.cloud.google.com/apt/doc/apt-key.gpg \
- && echo "deb https://packages.cloud.google.com/apt coral-edgetpu-unstable main" > /etc/apt/sources.list.d/coral-edgetpu.list \
+ && echo "deb https://packages.cloud.google.com/apt coral-edgetpu-stable main" > /etc/apt/sources.list.d/coral-edgetpu.list \
  && echo "libedgetpu1-max libedgetpu/accepted-eula select true" | debconf-set-selections \
  && apt-get -qq update && apt-get -qq install --no-install-recommends -y \
  libedgetpu1-max=15.0 \

frigate/object_processing.py

@@ -311,6 +311,7 @@ def update(self, frame_time, current_detections):
  if (not updated_obj.false_positive 
  and updated_obj.thumbnail_data['frame_time'] == frame_time 
  and frame_time not in self.frame_cache):
+ logging.info(f"Adding {frame_time} to cache.")
  self.frame_cache[frame_time] = np.copy(current_frame)
 
  # call event handlers
@@ -376,6 +377,7 @@ def update(self, frame_time, current_detections):
  current_best_frames = set([obj.thumbnail_data['frame_time'] for obj in self.best_objects.values()])
  thumb_frames_to_delete = [t for t in self.frame_cache.keys() if not t in current_thumb_frames and not t in current_best_frames]
  for t in thumb_frames_to_delete:
+ logging.info(f"Removing {t} from cache.")
  del self.frame_cache[t]
 
  with self.current_frame_lock: