mirror of
https://github.com/blakeblackshear/frigate.git
synced 2024-10-15 20:07:23 +02:00
42 lines
1.5 KiB
Python
42 lines
1.5 KiB
Python
import cv2
|
|
import numpy as np
|
|
from unittest import TestCase, main
|
|
from frigate.util import yuv_region_2_rgb
|
|
|
|
|
|
class TestYuvRegion2RGB(TestCase):
|
|
def setUp(self):
|
|
self.bgr_frame = np.zeros((100, 200, 3), np.uint8)
|
|
self.bgr_frame[:] = (0, 0, 255)
|
|
self.bgr_frame[5:55, 5:55] = (255, 0, 0)
|
|
# cv2.imwrite(f"bgr_frame.jpg", self.bgr_frame)
|
|
self.yuv_frame = cv2.cvtColor(self.bgr_frame, cv2.COLOR_BGR2YUV_I420)
|
|
|
|
def test_crop_yuv(self):
|
|
cropped = yuv_region_2_rgb(self.yuv_frame, (10, 10, 50, 50))
|
|
# ensure the upper left pixel is blue
|
|
assert np.all(cropped[0, 0] == [0, 0, 255])
|
|
|
|
def test_crop_yuv_out_of_bounds(self):
|
|
cropped = yuv_region_2_rgb(self.yuv_frame, (0, 0, 200, 200))
|
|
# cv2.imwrite(f"cropped.jpg", cv2.cvtColor(cropped, cv2.COLOR_RGB2BGR))
|
|
# ensure the upper left pixel is red
|
|
# the yuv conversion has some noise
|
|
assert np.all(cropped[0, 0] == [255, 1, 0])
|
|
# ensure the bottom right is black
|
|
assert np.all(cropped[199, 199] == [0, 0, 0])
|
|
|
|
def test_crop_yuv_portrait(self):
|
|
bgr_frame = np.zeros((1920, 1080, 3), np.uint8)
|
|
bgr_frame[:] = (0, 0, 255)
|
|
bgr_frame[5:55, 5:55] = (255, 0, 0)
|
|
# cv2.imwrite(f"bgr_frame.jpg", self.bgr_frame)
|
|
yuv_frame = cv2.cvtColor(bgr_frame, cv2.COLOR_BGR2YUV_I420)
|
|
|
|
cropped = yuv_region_2_rgb(yuv_frame, (0, 852, 648, 1500))
|
|
# cv2.imwrite(f"cropped.jpg", cv2.cvtColor(cropped, cv2.COLOR_RGB2BGR))
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main(verbosity=2)
|