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add ability to draw bounding boxes/timestamps on snapshots

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This commit is contained in:
Blake Blackshear 2020-10-16 16:11:08 -05:00
parent c064b244db
commit bf93fbb357
2 changed files with 13 additions and 1 deletions
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3
detect_objects.py
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@ -164,7 +164,8 @@ def main():
for name, config in CONFIG['cameras'].items():
config['snapshots'] = {
'show_timestamp': config.get('snapshots', {}).get('show_timestamp', True),
'draw_zones': config.get('snapshots', {}).get('draw_zones', False)
'draw_zones': config.get('snapshots', {}).get('draw_zones', False),
'draw_bounding_boxes': config.get('snapshots', {}).get('draw_bounding_boxes', True)
}
config['zones'] = config.get('zones', {})

11
frigate/object_processing.py
View File

@ -269,6 +269,12 @@ class TrackedObjectProcessor(threading.Thread):
if not 'frame' in obj:
return
best_frame = cv2.cvtColor(obj['frame'], cv2.COLOR_YUV2BGR_I420)
if self.camera_config[camera]['snapshots']['draw_bounding_boxes']:
thickness = 2
color = COLOR_MAP[obj['label']]
box = obj['box']
draw_box_with_label(best_frame, box[0], box[1], box[2], box[3], obj['label'], f"{int(obj['score']*100)}% {int(obj['area'])}", thickness=thickness, color=color)
mqtt_config = self.camera_config[camera].get('mqtt', {'crop_to_region': False})
if mqtt_config.get('crop_to_region'):
region = obj['region']
@ -277,6 +283,11 @@ class TrackedObjectProcessor(threading.Thread):
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)
if self.camera_config[camera]['snapshots']['show_timestamp']:
time_to_show = datetime.datetime.fromtimestamp(obj['frame_time']).strftime("%m/%d/%Y %H:%M:%S")
cv2.putText(best_frame, time_to_show, (10, 30), cv2.FONT_HERSHEY_SIMPLEX, fontScale=.8, color=(255, 255, 255), thickness=2)
ret, jpg = cv2.imencode('.jpg', best_frame)
if ret:
jpg_bytes = jpg.tobytes()