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allow setting size and cropping of snapshots and best.jpg endpoint

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Blake Blackshear
2020-09-13 08:57:47 -05:00
parent 1ce993051e
commit 50e568b84c
3 changed files with 25 additions and 6 deletions
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12
frigate/object_processing.py
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@@ -254,6 +254,14 @@ class TrackedObjectProcessor(threading.Thread):
def snapshot(camera, obj):
best_frame = cv2.cvtColor(obj['frame'], cv2.COLOR_RGB2BGR)
mqtt_config = self.camera_config.get('mqtt', {'crop_to_region': False})
if mqtt_config.get('crop_to_region'):
region = obj['region']
best_frame = best_frame[region[1]:region[3], region[0]:region[2]]
if 'snapshot_height' in mqtt_config:
height = int(mqtt_config['snapshot_height'])
width = int(height*best_frame.shape[1]/best_frame.shape[0])
best_frame = cv2.resize(best_frame, dsize=(width, height), interpolation=cv2.INTER_AREA)
ret, jpg = cv2.imencode('.jpg', best_frame)
if ret:
jpg_bytes = jpg.tobytes()
@@ -310,9 +318,9 @@ class TrackedObjectProcessor(threading.Thread):
def get_best(self, camera, label):
best_objects = self.camera_states[camera].best_objects
if label in best_objects:
return best_objects[label]['frame']
return best_objects[label]
else:
return None
return {}
def get_current_frame(self, camera):
return self.camera_states[camera].current_frame