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Cache error image so it is not read from file system on each run

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This commit is contained in:
Nick Mowen 2022-11-28 19:08:17 -07:00
parent 8aaef87e37
commit 6f7a7f343c
1 changed files with 9 additions and 3 deletions
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8
frigate/http.py
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@ -63,6 +63,7 @@ def create_app(
app.stats_tracking = stats_tracking
app.detected_frames_processor = detected_frames_processor
app.plus_api = plus_api
app.camera_error_image = None
app.register_blueprint(bp)
@ -663,10 +664,15 @@ def latest_frame(camera_name):
current_app.detected_frames_processor.get_current_frame_time(camera_name)
+ 10
):
if current_app.camera_error_image is None:
error_image = glob.glob("/opt/frigate/frigate/images/camera-error.jpg")
if len(error_image) > 0:
frame = cv2.imread(error_image[0], cv2.IMREAD_UNCHANGED)
current_app.camera_error_image = cv2.imread(
error_image[0], cv2.IMREAD_UNCHANGED
)
frame = current_app.camera_error_image
height = int(request.args.get("h", str(frame.shape[0])))
width = int(height * frame.shape[1] / frame.shape[0])