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fix thumbnail encoding logic (#22329)

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Josh Hawkins 2026-03-08 15:15:12 -05:00 committed by GitHub
parent bde518e861
commit b6f78bd1f2
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1 changed files with 11 additions and 10 deletions
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21
frigate/api/media.py
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@ -1186,11 +1186,12 @@ async def event_thumbnail(
status_code=404, status_code=404,
) )
img_as_np = np.frombuffer(thumbnail_bytes, dtype=np.uint8)
img = cv2.imdecode(img_as_np, flags=1)
# android notifications prefer a 2:1 ratio # android notifications prefer a 2:1 ratio
if format == "android": if format == "android":
img_as_np = np.frombuffer(thumbnail_bytes, dtype=np.uint8) img = cv2.copyMakeBorder(
img = cv2.imdecode(img_as_np, flags=1)
thumbnail = cv2.copyMakeBorder(
img, img,
0, 0,
0, 0,
@ -1200,14 +1201,14 @@ async def event_thumbnail(
(0, 0, 0), (0, 0, 0),
) )
quality_params = None quality_params = None
if extension in (Extension.jpg, Extension.jpeg): if extension in (Extension.jpg, Extension.jpeg):
quality_params = [int(cv2.IMWRITE_JPEG_QUALITY), 70] quality_params = [int(cv2.IMWRITE_JPEG_QUALITY), 70]
elif extension == Extension.webp: elif extension == Extension.webp:
quality_params = [int(cv2.IMWRITE_WEBP_QUALITY), 60] quality_params = [int(cv2.IMWRITE_WEBP_QUALITY), 60]
_, img = cv2.imencode(f".{extension.value}", thumbnail, quality_params) _, encoded = cv2.imencode(f".{extension.value}", img, quality_params)
thumbnail_bytes = img.tobytes() thumbnail_bytes = encoded.tobytes()
return Response( return Response(
thumbnail_bytes, thumbnail_bytes,