update birdseye layout calculations

frigate/test/test_copy_yuv_to_position.py

@@ -0,0 +1,27 @@
+import cv2
+import numpy as np
+from unittest import TestCase, main
+from frigate.util import copy_yuv_to_position
+
+
+class TestCopyYuvToPosition(TestCase):
+    def setUp(self):
+        self.source_frame_bgr = np.zeros((400, 800, 3), np.uint8)
+        self.source_frame_bgr[:] = (0, 0, 255)
+        self.source_yuv_frame = cv2.cvtColor(
+            self.source_frame_bgr, cv2.COLOR_BGR2YUV_I420
+        )
+
+        self.dest_frame_bgr = np.zeros((400, 800, 3), np.uint8)
+        self.dest_frame_bgr[:] = (112, 202, 50)
+        self.dest_frame_bgr[100:300, 200:600] = (255, 0, 0)
+        self.dest_yuv_frame = cv2.cvtColor(self.dest_frame_bgr, cv2.COLOR_BGR2YUV_I420)
+
+    def test_copy_yuv_to_position(self):
+        copy_yuv_to_position(1, self.dest_yuv_frame, 3)
+        # cv2.imwrite(f"source_frame_yuv.jpg", self.source_yuv_frame)
+        # cv2.imwrite(f"dest_frame_yuv.jpg", self.dest_yuv_frame)
+
+
+if __name__ == "__main__":
+    main(verbosity=2)