Code: Select all
import cv2
cam_id = 0
cap = cv2.VideoCapture(cam_id)
cap.set(cv2.CAP_PROP_FRAME_WIDTH, 1280)
cap.set(cv2.CAP_PROP_FRAME_HEIGHT, 720)
while True:
ret, frame = cap.read()
print(frame)
if not ret:
print("Failed to capture image")
break
cv2.imshow("Camera", frame)
if cv2.waitKey(1) & 0xFF == ord('q'):
break
< /code>
Die Ausgabe war: < /p>
None
Failed to capture image
Code: Select all
[ WARN:[email protected]] global cap_v4l.cpp:913 open VIDEOIO(V4L2:/dev/video1): can't open camera by index
[ERROR:[email protected]] global obsensor_uvc_stream_channel.cpp:158 getStreamChannelGroup Camera index out of range
None
Failed to capture image
< /code>
Ausführen von V4L2-CTL--List-Devices < /code> Geben Sie mir die Ausgabe: < /p>
pispbe (platform:1000880000.pisp_be):
/dev/video20
/dev/video21
...
/dev/video35
/dev/media0
/dev/media1
rpi-hevc-dec (platform:rpi-hevc-dec):
/dev/video19
/dev/media2
Live Gamer Ultra-Video: Live Ga (usb-xhci-hcd.1-1):
/dev/video0
/dev/video1
/dev/media3