ITS: Mandating 3A convergence at crossover point
Also, to avoid getting HAL-simulated cameras, requiring the cameras
under comparison to have different minimum focus distance.
Bug: 388895676
Flag: TEST_ONLY
Test: Tested locally
Change-Id: Ic57367bae27fa64599a80a2698a1c1762c3baaab
diff --git a/apps/CameraITS/utils/image_fov_utils.py b/apps/CameraITS/utils/image_fov_utils.py
index 835e602..5f84931 100644
--- a/apps/CameraITS/utils/image_fov_utils.py
+++ b/apps/CameraITS/utils/image_fov_utils.py
@@ -29,6 +29,8 @@
CIRCLE_MIN_AREA = 0.01 # 1% of image size
FOV_PERCENT_RTOL = 0.15 # Relative tolerance on circle FoV % to expected.
LARGE_SIZE_IMAGE = 2000 # Size of a large image (compared against max(w, h))
+MIN_FOV = 10
+MAX_FOV = 130
THRESH_AR_L = 0.02 # Aspect ratio test threshold of large images
THRESH_AR_S = 0.075 # Aspect ratio test threshold of mini images
THRESH_CROP_L = 0.02 # Crop test threshold of large images
@@ -36,6 +38,26 @@
THRESH_MIN_PIXEL = 4 # Crop test allowed offset
+def calc_camera_fov_from_metadata(metadata, props):
+ """Get field of view of camera.
+
+ Args:
+ metadata: capture result's metadata.
+ props: obj; camera properties object.
+ Returns:
+ fov: int; field of view of camera.
+ """
+ sensor_size = props['android.sensor.info.physicalSize']
+ diag = math.sqrt(sensor_size['height']**2 + sensor_size['width']**2)
+ fl = metadata['android.lens.focalLength']
+ logging.debug('Focal length: %.3f', fl)
+ fov = 2 * math.degrees(math.atan(diag / (2 * fl)))
+ logging.debug('Field of view: %.1f degrees', fov)
+
+ if not MIN_FOV <= fov <= MAX_FOV:
+ raise AssertionError(f'FoV error: {fov:.1f}')
+ return fov
+
def calc_scaler_crop_region_ratio(scaler_crop_region, props):
"""Calculate ratio of scaler crop region area over active array area.
