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Ensure that crop is 16:9

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This commit is contained in:
Nicolas Mowen 2024-02-20 08:02:40 -07:00
parent 781a7500f3
commit 755477a84b
2 changed files with 8 additions and 0 deletions
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5
frigate/review/maintainer.py
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@ -81,6 +81,11 @@ class PendingReviewSegment:
region = calculate_16_9_crop(
camera_config.frame_shape, min_x, min_y, max_x, max_y
)
# could not find suitable 16:9 region
if not region:
return
color_frame = cv2.cvtColor(frame, cv2.COLOR_YUV2BGR_I420)
color_frame = color_frame[region[1] : region[3], region[0] : region[2]]
width = int(THUMB_HEIGHT * color_frame.shape[1] / color_frame.shape[0])

3
frigate/util/image.py
View File

@ -231,6 +231,9 @@ def calculate_16_9_crop(frame_shape, xmin, ymin, xmax, ymax, multiplier=1.25):
# if 16:9 by height is too small
if aspect_y_size < y_size or aspect_y_size > frame_shape[0]:
x_size = int((16 / 9) * y_size) // 4 * 4
if x_size / y_size > 1.8:
return None
else:
y_size = aspect_y_size // 4 * 4