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check camera opening (fix is_gray(None))

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This commit is contained in:
EmixamPP 2021-10-30 13:58:36 +02:00
parent 0e4aaa0c47
commit 2e2c1ac196
1 changed files with 10 additions and 17 deletions
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27
howdy-gtk/src/onboarding.py
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@ -148,28 +148,21 @@ class OnboardingWindow(gtk.Window):
if re_name: if re_name:
device_name = re_name.group(1) device_name = re_name.group(1)
capture = cv2.VideoCapture(device_path)
is_open, frame = capture.read()
if not is_open:
device_rows.append([device_name, device_path, -9, _("No, not an infrared camera")])
continue
try: try:
capture = cv2.VideoCapture(device_path) if not is_gray(frame):
capture.grab() raise Exception()
ret, frame = capture.read()
except Exception: except Exception:
device_rows.append([device_name, device_path, -9, _("No, camera can't be opened")]) device_rows.append([device_name, device_path, -5, _("No, camera can't be opened")])
continue capture.release()
if not is_gray(frame):
device_rows.append([device_name, device_path, -5, _("No, not an infrared camera")])
continue
time.sleep(.2)
ret, frame = capture.read()
if not is_gray(frame):
device_rows.append([device_name, device_path, -5, _("No, not an infrared camera")])
continue continue
device_rows.append([device_name, device_path, 5, _("Yes, compatible infrared camera")]) device_rows.append([device_name, device_path, 5, _("Yes, compatible infrared camera")])
capture.release() capture.release()
device_rows = sorted(device_rows, key=lambda k: -k[2]) device_rows = sorted(device_rows, key=lambda k: -k[2])