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scale font of timestamp dynamically

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This commit is contained in:
Blake Blackshear 2020-10-16 17:50:40 -05:00
parent bf93fbb357
commit 8e31d04d90
1 changed files with 4 additions and 1 deletions
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5
frigate/object_processing.py
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@ -268,6 +268,7 @@ class TrackedObjectProcessor(threading.Thread):
def snapshot(camera, obj):
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
@ -285,8 +286,10 @@ class TrackedObjectProcessor(threading.Thread):
best_frame = cv2.resize(best_frame, dsize=(width, height), interpolation=cv2.INTER_AREA)
if self.camera_config[camera]['snapshots']['show_timestamp']:
original_shape = self.camera_config[camera]['frame_shape']
font_scale = (best_frame.shape[0]*best_frame.shape[1])/(original_shape[0]*original_shape[1])*0.8
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)
cv2.putText(best_frame, time_to_show, (10, 30), cv2.FONT_HERSHEY_SIMPLEX, fontScale=font_scale, color=(255, 255, 255), thickness=2)
ret, jpg = cv2.imencode('.jpg', best_frame)
if ret: